New study results explore the long-term effects of infection with Sars-CoV-2, and challenge the idea that vaccine immunity fades quickly.
Chronic stress can have a significant impact on health, from an increased risk for heart disease to a greater susceptibility of cancer metastasis. New research points out the underlying mechanisms.
New research demonstrates how tiny nanomachines could greatly reduce bladder cancer by precisely targeting the tumour and attacking it with a radioisotope carried on their surface.
Using a new technology developed at MIT, diagnosing lung cancer could become as easy as inhaling nanoparticle sensors and then taking a urine test that reveals whether a tumor is present.
Highlights:One of the analyses most commonly used is the Enzyme-Linked Immunosorbent Assay (ELISA).With this method, even the smallest concentrations of a range of substances (proteins, peptides, antibodies, hormones etc.) can be detected and quantified from complex solutions.
Sample throughput: Constant 420 tests / h, up to 626 tests / h with ISEDimensions: 1.050 × 1.150 × 720 mm (w × h × d)Highlights: Large loading capacity: 92 reagent positions, 102 sample positionsHbA1c smart sampling: supports HbA1c onboard hemolysisAdvanced software platform: auto QC, auto reflex, substrate depletion & enzyme linearity extension, etc.Quick…
Assays: Quantitative determination of total ketone bodies [acetoacetate (AcAc) + 3-hydroxy butyrate (3-HB)] in serum or plasmaHighlights:Enzymatic colorimetric test, applicable to clinical chemistry analyzersRecognition of pediatric metabolic disordersMonitoring of liver transplantsMonitoring of diabetic patientsReliable results without interference from ascorbic acid and bilirubin
Researchers have developed a simple, yet efficient way to create cell-like synthetic structures. These artificial cells could be used for a range of medical purposes – for example, in drug delivery.
The Covid-19 pandemic has affected scientific research in numerous ways – for example by highlighting knowledge gaps in gender medicine. In many studies differences in morbidity and mortality between women and men surfaced incidentally. While the extent and causes of these differences remain largely unexplored, the preliminary insights confirm the need for further research.
A newly discovered signaling mechanism implicated in the development of ventricular fibrillation offers promise of future treatment options for this life threatening condition.
AI features for automation, integrated systems and more: the role of medical technology has never been as vital as today, and MedTech companies from Taiwan are putting their best foot forward to contribute. At the 2023 Medica trade fair, visitors of the Taiwanese pavilion not only had the opportunity to see the latest medical products on display, but also get acquainted with Taiwanese culture in…
Inspired by the enhanced visual system of butterflies, researchers have developed an imaging sensor to “see” into the UV range for differentiating between cancer and normal cells.
A collaborative study, led by Cima Universidad de Navarra, has identified key epigenetic targets for the treatment of hepatoblastoma, the most frequent liver cancer in childhood.
A European team of researchers have successfully developed a new, living organ model which could advance rapid testing of new or common drugs to treat diseases of the liver.
Could a single biomarker detect all types of diseases related to dopamine deficiency in the brain? According to a Swedish research group, such a marker may have just been found.
A new device that combines microfluidics on paper, electrochemical transduction and immunoassays on magnetic nanoparticles is useful for easy and rapid diagnosis of lung diseases.
Unanswered questions are hampering clinicians in their efforts to get the best out of a precision medicine approach for their patients. Speaking at the Genomics and Precision Medicine Expo in London at the end of May, cancer educator Dr Elaine Vickers said the benefits of being matched to an investigational drug remain questionable for most people with advanced cancer.
AI could find critical biomarkers that predict non-response to conventional treatment in patients with chronic myeloid leukaemia (CML) more quickly, researchers in Singapore find.
Lyme disease, the most common tick-transmitted bacterial infection in the world, is challenging to diagnose. Initial early-stage symptoms may include skin rash, fever, headache, fatigue, swollen lymph nodes, and/or body and joint aches. However, these symptoms are also associated with many other diseases and medical conditions.
A group of researchers has illustrated the mechanistic pathway for PTEN-deficient breast cancer and successfully tested a method of countering the downstream effects of immune system evasion by tumors.
Multiple sclerosis affects three women for every one man. French scientists are studying the role of the sex hormones in order to better understand this discrepancy.
US researchers have developed a way to use MRI scanning to map body cell metabolism, opening up new possibilities for detecting cancers and revealing if a tumor is responding to treatment.
Researchers at Linköping, Lund, and Gothenburg universities in Sweden have successfully grown electrodes in living tissue using the body’s molecules as triggers.
Canadian researchers are developing a new, ultra-sensitive biosensor to screen for Alzheimer’s disease and other diseases. The device has successfully completed the proof-of-concept stage.
Dimensions: 650 × 790 × 650 mm (w × d × h)Weight: 110 kgSample throughput: up to 180 tests/hAssays: Comprehensive test menu covers SARS-CoV-2, thyroid, fertility, inflammation, cardiac markers, diabetes, tumor markers and moreHighlights:EXI 1800 is a desktop automatic chemiluminescence immunoassay analyzer with compact design which only needs 0.52 m2. With its patented…
With the rise of syndrome-style infections, co-infections and the current antimicrobial resistance challenges, the need for multiplexed diagnostics is now more important than ever.
Colorectal cancer is one of the most common cancers. A team from the University of Geneva has found an alternative for patients who have developed resistance to chemotherapy treatments.
Research presented in a new preprint suggests that SARS-CoV-2 might have been artificially created in a laboratory. Experts from Würzburg have reviewed the paper – and remain unconvinced.
A vaccine design approach that could protect against new variants of SARS-CoV-2 but also potentially protects against other coronaviruses is one step closer to reality as a result of new research.
A new device for diagnosing bone fragility invented by the University Hospitals of Geneva (HUG) and the University of Geneva (UNIGE) has been approved for marketing in the European Economic Area and Switzerland. The device is based on a new approach to assessing bone quality via blood sampling.
Researchers discovered that cancer cells mobilize a SOS response when they are desperate to resist anticancer drugs. The team also came up with an anti-SOS approach that blocked the mechanism in mice.
Two-dimensional (2D) cultured cell lines and animal models have been the principal research tools for the past decade, but have several shortcomings. Three-dimensional cell cultures, or organoids, show great promise here.
Urine screening tests using only immunoassays are the most common procedures used to identify drug abuse. They are inexpensive, automated, and produce rapid results. But they may generate false-positive or false-negative results, which vary based on the drug, drug class, and the assay used. Hair toxicology analysis is another form of drug testing which, unlike urine tests, enable analysis of drug…
Overweight increases the risk of an imbalance in sugar metabolism and even diabetes – but the opposite is also true: insulin production deficits contribute to overweight, a new study shows.
The new test measures the level of neutralizing antibodies in a blood sample and could help people decide what protections they should take against infection.
The prototype device combines eRapid and SHERLOCK technologies into a single, postcard-sized system that can simultaneously detect the presence of both SARS-CoV-2 RNA and antibodies in a patient’s saliva.
Researchers have identified an enzyme that is a promising new therapeutic target to combat the dangerous bacterial disease melioidosis.
Researchers in Sweden have now discovered a faster and easier way to determine who has an aggressive form of prostate cancer, and who has not.
Over the last 50 years, malaria parasites have developed resistance to seven drugs, but a new way to identify future antimalarials holds promise.
Latest developments in computational protein design enable the simulation of sequence and structural changes in proteins for creating novel agents in human medicine.
In patients with serious and long-term Covid-19, disturbed blood coagulation is often observed. Now, Swedish researchers found a connection between harmful amyloid production and Covid-19 symptoms.
Engineers have developed a prototype of a wearable that can continuously monitor several health stats—glucose, alcohol, and lactate levels—simultaneously in real-time.
The advantages and limitations of the value of traceability chains in therapeutic drug monitoring will be explored during a key session at the EuroMedLab event.
Scientists from Hokkaido University have identified new targets for treating Adult T-cell leukemia/lymphoma (ATLL), an aggressive form of blood cancer with existing drugs.
The diagnosis is rare, but devastating – children with congenital muscle disorders often never learn to walk. Now, researchers from Basel present a possible therapeutic approach for the first time.
More than 15 billion batteries are sent to landfill sites every year – technology that converts glucose and oxygen into electricity has the potential to reduce this waste and serve as a sustainable alternative power source for medical devices.
By employing artificial intelligence (AI) and robotics to formulate therapeutic proteins, researchers promoted tissue regeneration.
Using a novel probe for functional magnetic resonance imaging, researchers have devised a way to monitor individual populations of neurons and reveal how they interact with each other.
A new study has analyzed over 3000 proteins to identify which are causally linked to the development of severe Covid-19. This provides insight into potential new targets for treatment and prevention.
Scientists have developed a prototype sensor that could help rapidly measure adenosine triphosphate and lactate levels in blood samples, aiding in the rapid assessment of disease severity.
A new study has proved that it is possible to convert blood type safely in donor organs intended for transplantation. This is an important step towards creating universal type O organs.
Researchers have identified a previously unrecognized key player in cancer evolution: clusters of mutations occurring at certain regions of the genome.
Non-Esterified Fatty Acids (NEFA) are one of the most important metabolites and energy source of peripheral tissues. The amount of NEFA in serum decreases by physical exercise and increases by starvation, cold or smoking. An increase or decrease is also observed in diabetes, hepatic, or endocrine diseases.
For many years, antibiotic consumption in France was at an alarming level, resulting in a worryingly constant increase in antibiotic resistance However, a newly-enforced strict national plan appears to be having effect.
An international team of scientists have identified antibodies that neutralize omicron and other SARS-CoV-2 variants.
A new method involving deuterium can be used to stabilise compounds against degradation. This discovery could result in new drugs that can be taken in lower doses or less frequently.
To counteract the spread of resistant germs, researchers have developed new drug candidates that are able to render one of the most important hospital germs harmless.
The Swiss-based CAMAG DBS Laboratory in collaboration with the Institute of Forensic Medicine in Bern, Switzerland, has developed a novel approach for the fully automated analysis of the direct alcohol marker phosphatidylethanol (PEth) in dried blood spots (DBS). The use of a DBS autosampler with an embedded hematocrit (HCT) scanner combined with an LC-MS system permits analysis of large…
In experiments using saliva samples from COVID-19 patients, the gum, which contains the ACE2 protein, neutralized the virus.
Since its introduction around 60 years ago, the screening of newborn babies for immune, hormone and metabolic disorders has prevented many people from experiencing severe disease progression. The scope of systematic early testing has been significantly enhanced through mass spectrometry (MS). In our interview, Professor Uta Ceglarek, one of the driving forces behind the introduction of MS…
Experts predict that without intervention, the problem of multidrug-resistant bacterial infections could be catastrophic by 2050, killing nearly 10 million people each year.
This year as every year, the very best in global HealthTech will be converging on Dusseldorf for the Medica trade fair. With more than 127 companies attending the event from November 15-18, France will have one of the largest contingents there. Grouped together under the brand umbrella of “French Healthcare”, the French MedTech companies will be presenting their many innovations to industry…
Considerable advances in point-of-care testing (POCT) devices are emerging from lab-on-a-chip platforms, innovations in smartphone-based technology and wearable technology. Cloud-based deep learning systems herald a future revolution.
The skin bacterium Staphylococcus aureus often develops antibiotic resistance. It can then cause infections that are difficult to treat. Researchers at the University of Bonn have uncovered an ingenious way in which a certain strain of Staphylococcus aureus protects itself against the important antibiotic vancomycin. The results have now been published in the journal Microbiology Spectrum.
Researchers at the Centre for Genomic Regulation (CRG) and Pulmobiotics S.L have created the first ‘living medicine’ to treat antibiotic-resistant bacteria growing on the surfaces of medical implants. The researchers created the treatment by removing a common bacteria’s ability to cause disease and repurposing it to attack harmful microbes instead.
A study found that women who contract Covid-19 during pregnancy are at significantly higher risk of developing pre-eclampsia. In their study, researchers said their systematic review shows that women with SARS-CoV-2 infection during pregnancy had 62% higher odds of developing preeclampsia than those without the infection during pregnancy.
Common medications can accumulate in gut bacteria, a new study has found, altering bacterial function and potentially reducing the medications’ effectiveness. These interactions - seen for many drugs including those used to treat depression, diabetes, and asthma - could help researchers to better understand how drug effectiveness and side-effects differ between individuals. The study is…
Non-alcoholic fatty liver disease (NAFLD) is the most common liver disease in western countries, with an increasing incidence worldwide. Consequences of NAFLD can also include kidney disease and kidney stones, although the mechanisms for the development of these kidney complications as a result of NAFLD have not yet been fully explained. Researchers at the Leibniz Research Centre for Working…
Researchers identify two sugar-binding proteins that impede the viral entry of circulating SARS-CoV-2 variants. The team, spearheaded by researchers at IMBA – Institute of Molecular Biotechnology of the Austrian Academy of Sciences – may have found the “Achilles’ heel” of the virus, with potential for pan-variant therapeutic interventions. The findings are now published in the EMBO…
Nanocontainers can transport substances into cells where they can then take effect. This is the method used in, for example, the mRNA vaccines currently being employed against Covid-19 as well as certain cancer drugs. In research, similar transporters can also be used to deliver labelled substances into cells in order to study basic cellular functions. To take advantage of their full potential,…
A research team led by scientists in the labs of Jennifer Doudna, David Savage and Patrick Hsu at the University of California, Berkeley, is aiming to develop a rapid Covid-19 diagnostic test that is much faster and easier to deploy than qRT-PCR. It has now combined two different types of CRISPR enzymes to create an assay that can detect small amounts of viral RNA in less than an hour. Doudna…
A novel therapy engineered by Northwestern Medicine investigators improved progression-free and overall survival for patients with newly diagnosed malignant gliomas, according to results from a recent phase I clinical trial.
Home test kits to check for Covid-19 spike proteins and anti-Covid-19 antibodies are fast and simple to use but lack the sensitivity and accuracy of laboratory tests. Researchers from Eindhoven University of Technology with Utrecht University have developed a new type of sensor that combines the sensitivity and accuracy of current laboratory-based measurements with the speed and low-cost of…
Using lab-created tissue to heal or replace damaged organs is one of the great visions for the future of medicine. Synthetic materials could be suitable as scaffolding for tissue because, unlike natural tissues, they remain stable in the organism long enough for the body to form new natural structures. A fundamental requirement for functional tissue is that blood vessels must be able to grow in…
Scientists from the German Cancer Research Center and Heidelberg University Hospital have for the first time been able to delay the development of hereditary colorectal cancer with a protective vaccination. Mice with a hereditary predisposition to colorectal cancer survived significantly longer after vaccination than unvaccinated animals. Combining the vaccination with an anti-inflammatory drug…
To date, there are no effective antidotes against most virus infections. An interdisciplinary research team at the Technical University of Munich (TUM) has now developed a new approach: they engulf and neutralize viruses with nano-capsules tailored from genetic material using the DNA origami method. The strategy has already been tested against hepatitis and adeno-associated viruses in cell…
Antibiotics have been at the heart of modern healthcare since the 1950s. They are prescribed prior to an operation to minimise the risk of infection after the operation. Or antibiotics are prescribed to fight an infection. This practice, which might seem straightforward at first glance, has proven to cause a number of problems itself: Over the last twenty years, it has become increasingly clear…
A novel method of gene therapy is helping children born with a rare genetic disorder called AADC deficiency that causes severe physical and developmental disabilities. The study, led by researchers at The Ohio State University Wexner Medical Center and The Ohio State University College of Medicine, offers new hope to those living with incurable genetic and neurodegenerative diseases.
Over recent years interventional oncology (IO), as a subspecialty of interventional radiology, has become a standard component of many cancer therapies. The broad range of minimally invasive methods – and their results – are often comparable to those of traditional approaches, such as surgery, chemotherapy or radiotherapy, e.g. with regard to hepatocellular cancer (HCC), oligometastatic…
Researchers have discovered folate metabolism as a fundamental process for ageing. This could provide a new opportunity to improve human health during ageing on a broad basis.
For the first time, a prospective, international study has shown that chest pain caused by problems with the very small vessels supplying blood to the heart is an important health problem that increases the risk of heart attacks, stroke and death due to cardiovascular reasons. The study, which is published in the European Heart Journal, recruited 686 patients from 14 institutions in seven…
Scientists from Hokkaido University have discovered a novel defensive response to SARS-CoV-2 that involves the viral pattern recognition receptor RIG-I. Upregulating expression of this protein could strengthen the immune response in COPD patients.
A new low-cost method targeting genetic mutations often missed by existing diagnostic approaches has been developed. Researchers at Virginia Commonwealth University (VCU) in the United States noted that most rearrangement mutations implicated in cancer and neurological diseases fall between what can be detected by DNA sequence reads and optical microscopy methods. The new technique combines…
A collaboration spanning four research labs and hundreds of miles has used the organ-on-a-chip (Organ Chip) technology from the Wyss institute at Harvard Univesity to identify the antimalarial drug amodiaquine as a potent inhibitor of infection with SARS-CoV-2, the virus that causes Covid-19. The Organ Chip-based drug testing ecosystem established by the collaboration greatly streamlines the…
First you see it as a transparent shape on a computer screen – a small electronic replica of the human pancreas. Then just 30 seconds later the tissue is printed out on a bioprinter, blood vessels and all, from a sample of human stem cells. This amazing feat is possible thanks to new technology created at EPFL’s Laboratory of Applied Photonics Devices (LAPD) and further developed by…
Infection with parasitic intestinal worms (helminths) can apparently cause sexually transmitted viral in-fections to be much more severe elsewhere in the body. This is shown by a study led by the Universities of Cape Town and Bonn. According to the study, helminth-infected mice developed significantly more severe symptoms after infection with a genital herpes viruses (Herpes Simplex Virus). The…
Over the past decade, the CRISPR-Cas9 gene editing system has revolutionized genetic engineering, allowing scientists to make targeted changes to organisms’ DNA. While the system could potentially be useful in treating a variety of diseases, CRISPR-Cas9 editing involves cutting DNA strands, leading to permanent changes to the cell’s genetic material. Now, in a paper published online in Cell,…
A consortium of researchers from Russia, Belarus, Japan, Germany and France led by the Skolkovo Institute of Science and Technology have uncovered the way in which Mycobacterium tuberculosis survives in iron-deficient conditions by utilizing rubredoxin B, a protein from a rubredoxin family that play an important role in adaptation to changing environmental conditions.
Researchers at the Human Genome and Stem Cell Research Center (HUG-CELL), hosted by the University of São Paulo’s Institute of Biosciences (IB-USP) in Brazil, have developed a technique to reconstruct and produce livers in the laboratory. The proof-of-concept study was conducted with rat livers. In the next stage of their research, the scientists will adapt the technique for the production of…
Tumor vaccines can help the body fight cancer. Mutations in the tumor genome often lead to protein changes that are typical of cancer. A vaccine can alert the patients' immune system to these mutated proteins. For the first time, physicians and cancer researchers from Heidelberg and Mannheim have now carried out a clinical trial to test a mutation-specific vaccine against malignant brain tumors.…
Researchers from Cleveland Clinic’s Florida Research and Innovation Center (FRIC) have identified a potential new target for anti-COVID-19 therapies.
Hyperpolarized MRI is a recent development and its research and application potential has yet to be fully explored. Researchers at Johannes Gutenberg University Mainz (JGU) and the Helmholtz Institute Mainz (HIM) have now unveiled a new technique for observing metabolic processes in the body. Their singlet-contrast MRI method employs easily-produced parahydrogen to track biochemical processes in…
A research team of pharmacists at the University of Bonn has discovered two families of active substances that can block the replication of the SARS-CoV-2 coronavirus. The drug candidates are able to switch off the the key enzyme of the virus, the so-called main protease. The study is based on laboratory experiments. Extensive clinical trials are still required for their further development as…
Plasma glucose levels are essential for the evaluation of diabetes mellitus as well as gestational diabetes. Diabetes mellitus is one of the most common metabolic disorders in the world. The breakdown of glucose (glycolysis) in venous blood samples is of great significance in pre-analytics, particularly in relation to the diagnosis of diabetes mellitus and gestational diabetes.
Bacteria have many ways to evade the antibiotics that we use against them. Each year, at least 2.8 million people in the United States develop an antibiotic-resistant infection, and more than 35,000 people die from such infections, according to the U.S. Centers for Disease Control. Most of the mutations known to confer resistance occur in the genes targeted by a particular antibiotic. Other…
Osteoarthritis affects more than 30 million adults and is the fifth-leading cause of disability in the United States. In a new study, scientists have discovered the cellular pathway that leads to the joint disease and have identified a commonly used anti-depressant — paroxetine — that inhibits this pathway.
Inhibiting a key enzyme that controls a large network of proteins important in cell division and growth, paves the way for a new class of drugs that could stop glioblastoma, a deadly brain cancer, from growing. Researchers at Princess Margaret Cancer Centre, the Hospital for Sick Children (SickKids) and University of Toronto (U of T), showed that chemically inhibiting the enzyme PRMT5 can…
With two commercially available inhibitors, the cell cycle of the cancer cells in neuroblastomas can be disrupted at a key point causing tumour cell death. Neuroblastomas are malignant solid tumours that occur mainly in early childhood. Inhibiting the MYCN oncogene or its function could be a promising therapeutic opportunity.
Researchers at Vanderbilt University Medical Center (VUMC) and the University of Texas Medical Branch (UTMB) at Galveston have discovered what may be the Achilles' heel of the coronavirus, a finding that may help close the door on COVID-19 and possibly head off future pandemics.
B-cell lymphocytosis, a condition in which individuals have increased levels of particular white blood cells, in some cases leads to blood cancer. As an international team of researchers now shows in samples from patients, both diseases exhibit similar epigenetic signatures that are forming very early during the course of the disease. Chronic leukemias often start insidiously. White blood cells…
One more piece of the puzzle has fallen into place behind a new drug whose anti-cancer potential was developed at the University of Alberta and is set to begin human trials this year, thanks to newly published research. “The results provide more justification and rationale for starting the clinical trial in May,” said first author John Mackey, professor and director of oncology clinical…
The variety and volume of bacteria in the gut, known as the microbiome, may influence the severity of Covid-19 as well as the magnitude of the immune system response to the infection, suggests research published online in the journal Gut. Imbalances in the make-up of the microbiome may also be implicated in persisting inflammatory symptoms, dubbed ‘long Covid’, the findings suggest. Covid-19…
ZTA Biotech, a Budapest-based biotech startup, has developed a Covid-19 antibody (IgG) test using the ELISA protocol. This new detection method represents a great step forward in determining if patients have had a coronavirus infection and if they might still have immunity to the disease. Early results have proven 100% in specificity after testing 280 samples, and 100% sensitivity by testing 260…
The search for antiviral agents against the new coronavirus is in full swing. Using a novel approach, Bioinformaticians have now discovered a weakness in the virus that could be exploited for drug development. In a computer model, the scientists discovered a human enzyme that is crucial for the virus. When it was switched off in the model, the virus could no longer multiply.
Colon cancer stem cells have one weak spot: the enzyme Mll1. An MDC team led by Walter Birchmeier has now shown in Nature Communications that blocking this protein prevents the development of new tumors in the body. Since colonoscopies were introduced in Germany for early cancer detection, the number of diagnoses of advanced cancer every year has decreased, as precancerous lesions can now be…
Cold Spring Harbor Laboratory (CSHL) scientists have discovered a gene-regulating snippet of RNA that may contribute to the spread of many breast cancers. In animal experiments, the researchers could reduce the growth of metastatic tumors with a molecule designed to target that RNA and trigger its destruction. The same strategy, they say, could be used to develop a new breast cancer treatment for…
In recent years, targeted therapies have cemented their place as some of the most important tools in cancer treatment. These medicines are designed to block specific signals that tumor cells use to grow and spread, while at the same time leaving normal cells unharmed. Targeted therapies can significantly extend patients’ lives, but the benefits are often only temporary. Over time, many cancers…
Covid-19 causes characteristic changes in lung tissue visible in CT scans and chest radiographs, known as “ground-glass” opacities. Imaging is now considered a valid alternative, possibly even superior to RT-PCR. ‘This sparked an international debate about the role of CT in the diagnostic work-up of Covid-19,’ said radiologist Professor Cornelia Schäfer-Prokop.
Researchers at Tel Aviv University (TAU) have demonstrated that the CRISPR/Cas9 system is very effective in treating metastatic cancers, a significant step on the way to finding a cure for cancer.
Recent research in Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) has identified two enzymes that can detect Covid-19 RNA as simply as a pregnancy test Jesús Pla, an eminent microbiologist at the Complutense University in Madrid, explained in our exclusive interview. CRISPR technology could help alleviate workloads in packed hospitals and expand testing to primary care and…
Large proportions of patients can be safely triaged either to rule out discharge or rule in lifesaving management – if following the European Society of Cardiology (ESC) Guidelines Class I recommendation of two serial measurements of hs-cTnI on admission and after one hour, if there are assay specific cut off values for the 0/1 algorithms. The Pathfast hs-cTNI assay is an approved system to…
Researchers at Duke University and the University of California, Los Angeles, have developed a biomaterial that significantly reduces scar formation after wounding, leading to more effective skin healing. This new material, which quickly degrades once the wound has closed, demonstrates that activating an adaptive immune response can trigger regenerative wound healing, leaving behind stronger and…
Scientists cannot be expected to drop everything they’re working on to turn their attention to beating COVID-19, according to the winner of the 2019 Nobel Prize in Physiology or Medicine, Professor Sir Peter Ratcliffe. Speaking before he delivered the prestigious Michel Clavel lecture to the 32nd EORTC-NCI-AACR Symposium on Molecular Targets and Cancer Therapeutics, which was due to take place…
Researchers have found that a class of commonly-used heart drugs may also improve patients’ responses to anti-cancer immunotherapies called PD(L)1 inhibitors, according to preliminary findings to be presented at the 32th EORTC-NCI-AACR Symposium on Molecular Targets and Cancer Therapeutics.
The fight against bacterial infections, especially those caused by resistant pathogens, is in full swing with the search for new antibiotic agents. The aim is to identify substances that attack the pathogens in a truly novel way. The team at the Center for Systems-Based Antibiotic Research (Cesar) at Ruhr-Universität Bochum (RUB) has described in two publications how assess if a new antibiotic…
Human cells need to work like well-oiled machines to keep our bodies running as they should. Waste products such as misfolded proteins, damaged cellular components, and carbohydrates get in the way and must be quickly disposed of. Dealing with this cellular “trash” are spherical, membrane-bound organelles called lysosomes filled with a mixture of potent enzymes. In a process called autophagy,…
An infection with the coronavirus SARS-CoV-2 can affect multiple organs. With this in mind, researchers of the German Center for Neurodegenerative Diseases (DZNE) and Cornell University in the US have investigated cellular factors that could be significant for an infection. To this end, they analysed the activity of 28 specific genes in a wide range of human tissues.
Heart patients hospitalised with COVID-19 can safely continue taking angiotensin-converting enzyme (ACE) inhibitors and angiotensin receptor blockers (ARBs), according to the BRACE CORONA trial presented in a Hot Line session today at ESC Congress 2020.(1)
Researchers studying tissue removed from patients noses during surgery believe they may have discovered the reason why so many people with COVID-19 lose their sense of smell, even when they have no other symptoms. In their experiments they found extremely high levels of angiotensin converting enzyme II (ACE-2) only in the area of the nose responsible for smelling. This Enzyme is thought to be the…
Northwestern University researchers have uncovered a new vulnerability in the novel coronavirus’ infamous spike protein — illuminating a relatively simple, potential treatment pathway. The spike protein contains the virus’ binding site, which adheres to host cells and enables the virus to enter and infect the body. Using nanometer-level simulations, the researchers discovered a positively…
The SARS CoV-2 virus which causes COVID-19 may have been named prematurely. As more has become known about the infection, the severe disease does not appear to be a respiratory syndrome at all. Patients who only have a respiratory illness tend not to have a severe condition, while patients who develop a severe condition tend to have non-respiratory conditions, primarily thrombotic or hyper-immune…
The human species maintains symbiotic relationships with a multitude of microbial organisms that colonise the inside as well as the surface of the body. Scientists, for a long time, underestimated the significance of these organisms for humans.
A new study sheds light on proteins in particles called extracellular vesicles, which are released by tumor cells into the bloodstream and promote the spread of cancer. The findings suggest how a blood test involving these vesicles might be used to diagnose cancer in the future, avoiding the need for invasive surgical biopsies.
Resistance of cancer cells against therapeutic agents is a major cause of treatment failure, especially in recurrent diseases. An international team around the biochemists Robert Ahrends from the University of Vienna and Jan Medenbach from the University of Regensburg identified a novel mechanism of chemoresistance which has now been published in "Nature Communications". It is driven by…
New research suggests that cigarette smoke spurs the lungs to make more ACE2 (angiotensin-converting enzyme 2), the protein that the coronavirus responsible for COVID-19 grabs and uses to enter human cells. The findings, reported in the journal Developmental Cell, may explain why smokers appear to be particularly vulnerable to severe infections. The analysis also indicates that the change is…
Patients with raised blood pressure have a two-fold increased risk of dying from the coronavirus COVID-19 compared to patients without high blood pressure, according to new research published in the European Heart Journal. In addition, the study found that patients with high blood pressure who were not taking medication to control the condition were at even greater risk of dying from COVID-19.
Leading immunologists in Japan are proposing a possible molecular mechanism that causes massive release of proinflammatory cytokines, or a cytokine storm, leading to the acute respiratory distress syndrome (ARDS) in COVID-19 patients. Their suggestions, published in the journal Immunity, are based on recent findings that explain how SARS-CoV-2 enters human cells.
Susanne Hellmuth and Olaf Stemmann from the Chair of Genetics at the University of Bayreuth have discovered a natural protective mechanism that leads to the programmed death of potentially diseased cells.
The Central Laboratory at the Medical University Hanover, Germany, is prepared to handle virtually any clinical chemistry task, from a routine test to the most complex analysis. Equipped with state-of-the-art technology and thanks to a high degree of automation, the team can process more than 3,000 specimens, mostly blood and urine, in a single day. Professor Ralf Lichtinghagen, European…
Scientists at the University of Alberta have shown that the drug remdesivir is highly effective in stopping the replication mechanism of the coronavirus that causes COVID-19, according to new research published in the Journal of Biological Chemistry.
An international team led by University of British Columbia (UBC) researcher Dr. Josef Penninger has found a trial drug that effectively blocks the cellular door SARS-CoV-2 uses to infect its hosts. The findings, published in Cell, hold promise as a treatment capable of stopping early infection of the novel coronavirus that, as of April 2, has affected more than 981,000 people and claimed the…
People who are at high risk of developing lung cancer, such as heavy smokers, are routinely screened with computed tomography (CT), which can detect tumors in the lungs. However, this test has an extremely high rate of false positives, as it also picks up benign nodules in the lungs. Researchers at the Massachussetts Institute of Technology (MIT) have now developed a new approach to early…
As coronavirus disease COVID-19 continues to jet and alight invisibly around the globe, scientists now report that the virus has mutated to become two strains: the older ‘S-type’ appears milder and less infectious, while the later-emerging ‘L-type’, is more aggressive, spreads more quickly, and currently accounts for about 70 per cent of cases. Worldwide, medical researchers are exploring…
The University of Basel is part of the global search for a drug to fight the rampant coronavirus SARS-CoV-2. Researchers in the Computational Pharmacy group have so far virtually tested almost 700 million substances, targeting a specific site on the virus – with the aim of inhibiting its multiplication.
Scientists from the German Cancer Research Center (DKFZ) and the Hebrew University in Jerusalem demonstrated in mice that intestinal bacteria reprogram DNA activity in cells of the gut mucosa and thus have a considerable impact on the development of the healthy gut.
Non-alcoholic fatty liver disease (NAFLD) is mostly diagnosed in overweight and obese people. However, severe forms of NAFLD can also be detected in rare genetic diseases such as lipodystrophy or in patients with HIV, putting them at a high risk for developing liver failure, diabetes and cardiovascular diseases. Norbert Stefan and colleagues have now detected a yet unknown cause of NAFLD in lean…
Scientists working across drug metabolism and pharmacokinetics, bioanalytical, pre-clinical and clinical trial applications can now access a range of digital reagent dispensers designed to enable assay miniaturization, boost productivity and improve accuracy of results. Offering enhanced dispensing precision, the new systems use ten times less reagent compared to manual pipetting workflows,…
Researchers at Osaka University have developed a computer method that uses magnetic resonance imaging (MRI) and machine learning to rapidly forecast genetic mutations in glioma tumors, which occur in the brain or spine. The work may help glioma patients to receive more suitable treatment faster, giving better outcomes. The research was recently published in Scientific Reports. Cancer treatment…
Due to the scientific and technical developments in recombinant DNA technology and protein engineering since the early 1980s, therapeutic proteins have emerged as one of the most important classes of new pharmaceuticals. Currently, more than 200 protein and peptide based drugs have gained approval by the USA’s Food and Drug Administration (FDA) and many more are under preclinical or clinical…
Each year almost 80,000 new patients in France alone receive fluoropyrimidines, a group of anti-cancer drugs including 5-FU which is normally administered intravenously to treat digestive, breast and head and neck cancer. However, fluoropyrimidines-based chemotherapies can cause severe toxicities (incidence at around 20%) and sometimes lethal toxicity (incidence between 0.1 and 1%) with part of…
“Proteins are the workers in the cell, and it's important to know their shape,” says Chris Sander, PhD, director of Dana-Farber’s cBio Center in the Department of Data Sciences. Sander and his colleagues have now demonstrated a powerful “experimental evolution” method to discover details of protein shape and function, and the method may find uses across a very broad spectrum of…
A University of Leeds spin-out company has secured £3.14m to develop a next generation drug that aims to prevent blood clots forming, without the risk of bleeding present in currently available drugs. Currently, anticoagulants have a relatively narrow margin between beneficial effects and undesirable bleeding, so new approaches are in demand. These could allow more patients that have a higher…
Inflammation drives the progression of neurodegenerative brain diseases and plays a major role in the accumulation of tau proteins within neurons. An international research team led by the German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn comes to this conclusion in the journal “Nature”. The findings are based on the analyses of human brain tissue and further lab…
The EU four-year project ELSAH, which began at the dawn of 2019, aims to design a wearable to enable continuous determination of biomarker concentrations. Project coordinator Dr Joerg Schotter, Molecular Diagnostics, Centre for Health & Bioresources, AIT Austrian Institute of Technology GmbH, explains the project’s objectives and potential applications for the planned wearable.
A team of researchers lead by Helmholtz Zentrum München and the University of Würzburg identified an enzyme as a novel and strong inhibitor of ferroptosis, the iron dependent form of cell death: ferroptosis suppressor protein-1, short FSP1. This protein is expressed in a variety of cancer cell lines and therefore represents an attractive drug target for cancer treatment. In fact, the first FSP1…
A team from the Broad Institute of MIT and Harvard has developed a new CRISPR genome-editing approach by combining two of the most important proteins in molecular biology – CRISPR-Cas9 and a reverse transcriptase – into a single machine. The system, called “prime editing,” is capable of directly editing human cells in a precise, efficient, and highly versatile fashion. The approach…
Scientists have uncovered a novel antibiotic-free approach that could help prevent and treat one of the most widespread bacterial pathogens, using nanocapsules made of natural ingredients. Helicobacter pylori is a bacterial pathogen carried by 4.4 billion people worldwide, with the highest prevalence in Africa, Latin America and the Caribbean. Although the majority of infections show no symptoms,…
Early childhood life in the womb is particularly sensitive to the effects of environmental pollutants. A team from Empa and the University of Vienna has now for the first time been able to show how a pollutant from contaminated food – the environmental estrogen zearalenone – spreads in the womb and is metabolized into harmful metabolites. Xenoestrogens are absorbed through the environment,…
The Nobel Assembly at Karolinska Institutet has today decided to award the 2019 Nobel Prize in Physiology or Medicine jointly to William G. Kaelin Jr., Sir Peter J. Ratcliffe and Gregg L. Semenza for their discoveries of how cells sense and adapt to oxygen availability.
Antibiotics are still the most important weapon for combatting bacterial infections. But medical science is running out of “ammunition” because of more and more frequently occurring resistances. A research team has now elucidated the structure of the proteolytic complex ClpX-ClpP. This is a key to development of innovative antibiotics which target the degradation process of defective proteins…
One of the worst symptoms associated with inflammation or cancer of the pancreas is severe chronic pain. Pancreatic pain is difficult to treat, because many painkillers prove ineffective in pancreatic patients. In a recent study, a team at the Technical University of Munich (TUM) discovered the cause of this phenomenon for the first time: a particular neuroenzyme in the body is present in the…
The U.S. Food and Drug Administration approved Ofev (nintedanib) capsules to slow the rate of decline in pulmonary function in adults with interstitial lung disease associated with systemic sclerosis or scleroderma, called SSc-ILD. It is the first FDA-approved treatment for this rare lung condition. “Patients suffering from scleroderma need effective therapies, and the FDA supports the efforts…
A medication that boosts the body’s own cannabis-like substances, endocannabinoids, shows promise to help the brain un-learn fear memories when these are no longer meaningful. This according to an early-stage, experimental study on healthy volunteers at Linköping University. The new findings give hope that a new treatment can be developed for post-traumatic stress disorder, PTSD. “We have…
Pathfast hs-cTnI is a chemi-luminescent enzyme immunoassay (CLEIA) for the quantitative measurement of cardiac troponin I (cTnI) concentration in whole blood or plasma at the point-of-care (POC). Reagents are single use in all-in-one cartridges and up to six tests in parallel can be analysed,’ the manufacturer Mitsubishi reports. ‘Low concentrations of cTnI can be analysed by using high…
Researchers at ETH Zurich have refined the famous CRISPR-Cas method. Now, for the very first time, it is possible to modify dozens, if not hundreds, of genes in a cell simultaneously. The biotechnological method CRISPR-Cas offers a relatively quick and easy way to manipulate single genes in cells, meaning they can be precisely deleted, replaced or modified. Furthermore, in recent years,…
Analytically sensitive and specific detection of pharmaceuticals or metabolites in bodily fluids, as well as fast and reliable detection of human pathogens, are major challenges for instrument-based analytics in medical diagnostics. Over the past few years the combination of surface-enhanced Raman spectroscopy (SERS) and microfluidic devices (Lab-on-a-Chip) has emerged as a perfectly suited…
Acoustic Mist Ionization Mass Spectrometry (AMI-MS) has played a pivotal role in the evolution of high-throughput screening (HTS) and now steps are being taken to advance this field to other potential applications. AstraZeneca has been an important player in this area, having already run more than 10 full collection HTS campaigns against a range of enzyme target types, and the company is now…
New research has found that antibiotic-resistant strains of Klebsiella pneumoniae, an opportunistic pathogen that can cause respiratory and bloodstream infections, are spreading through hospitals in Europe. Certain strains are resistant to the carbapenem antibiotics that represent the last line of defence in treating infections and are therefore regarded as extremely drug resistant (XDR).
Researchers at the University of Helsinki have discovered how regenerative capacity of intestinal epithelium declines when we age. Targeting of an enzyme that inhibits stem cell maintaining signaling rejuvenates the regenerative potential of an aged intestine. This finding may open ways to alleviate age-related gastrointestinal problems, reduce side-effects of cancer treatments, and reduce…
Many countries across the world are challenged with a rising number of incidences of multi-drug resistant (MDR) organisms infecting the population, and for several years, a clear pattern of increased resistance has emerged in southern and eastern European countries. For example, in countries such as Italy, a reduced number of therapeutic options remain available for highly pathogenic infections,…
An anti-inflammatory drug called ketorolac, given before surgery, can promote long-term survival in animal models of cancer metastasis, a team of scientists has found. Furthermore, so-called "pro-resolution" therapies can also trigger the immune system to eliminate metastatic cells. The research also suggests that flanking chemotherapy with anti-inflammatory drugs can unleash anti-tumor…
Fluoropyrimidine-based chemotherapies are widely used, at least in the European area, for treating various types of cancer including digestive, breast, throat and brain cancer. Fluoropyrimidines are a group of anticancer drugs including the well-known 5-FluoroUracil (5-FU) and the prodrug capecitabine.
Imperial medical students have helped to devise a new type of ‘decoy’ drug to tackle infections that are resistant to antibiotics. In lab tests on bacterial cultures, the new drug successfully killed a strain of drug-resistant bacteria. It works by delivering two antibiotics, one of which is effectively hidden. When the bacteria fight against the first ‘decoy’ antibiotic, this action…
Advancing technology is allowing scientists increasingly to search for tiny signs of cancer and other health issues in samples of patients’ blood and urine. These “liquid biopsies” are less invasive than a traditional biopsy, and can provide information about what’s happening throughout the body instead of just at a single site. Now researchers at the University of Michigan Rogel Cancer…
In a joint collaboration, researchers from Denmark and Switzerland have shown that bacteria produce a specific stress molecule, divide more slowly, and thus save energy when they are exposed to antibiotics. The new knowledge is expected to form the basis for development of a new type of antibiotics. All free-living organisms are under constant pressure to survive. Darwin dubbed this…
In the past, we repeatedly focused our attention on developments in the clinical application of mass spectrometry-based methods in patient care. Various aspects became significant. Today, the use of Liquid Chromatography Triple Quad Mass Spectrometry (LC-MS/MS) for therapeutic drug monitoring (TDM) can be considered today’s standard, although classically applied immunoassays continue to be…
Early detection and confirmation of carbapenemase-producing enterobacteriaceae (CPE) are essential when choosing the appropriate antimicrobial therapy and to implement infection control measures. Here, a leading Spanish microbiologist reviews an arsenal of tools currently available to clinicians. Resistance to beta-lactam antibiotics in enterobacteriaceae (EBc) is due to one or more of these…
In the last six years, a tool called CRISPR-Cas9 has transformed genetic research, allowing scientists to snip and edit DNA strands at precise locations like a pair of tiny scissors. But sometimes, it takes more than scissors to do the job. Now, a collaborative international team has unveiled a new CRISPR-based tool that acts more like a shredder, able to wipe out long stretches of DNA in human…
Chordomas are rare bone tumors for which only few options of treatment exist. Scientists and doctors from the National Center for Tumor Diseases (NCT), the German Cancer Research Center (DKFZ), and Heidelberg University Hospital (UKHD) have discovered a particular genetic trait of chordomas in advanced stages after conducting gene analysis. Their findings, published in the journal Nature…
Researchers at Queen’s University Belfast have discovered a novel experimental treatment for chronic lung diseases that could improve the lives for people with Cystic Fibrosis (CF) and Chronic Obstructive Pulmonary Disease (COPD).
Grocery store aisles are stocked with products that promise to kill bacteria. People snap up those items to protect themselves from the germs that make them sick. However, new research from Washington University in St. Louis finds that a chemical that is supposed to kill bacteria is actually making them stronger and more capable of surviving antibiotic treatment. The study, available online in…
Rutgers researchers have found a way to reduce bleeding in patients following bariatric surgery. The study, which appeared in the journal Surgery for Obesity and Related Disorders, was conducted by Luigi Brunetti and Leonid Kagan at the Rutgers Ernest Mario School of Pharmacy in collaboration with Ragui Sadek at Advanced Surgical and Bariatrics of New Jersey. More than 30 percent of adults in the…
In a new study, researchers at the Biodesign Institute explore a safe and simple treatment for one of the most devastating and perplexing afflictions: Alzheimer’s disease (AD). Lead authors Ramon Velazquez and Salvatore Oddo, along with their colleagues in the Arizona State University (ASU)-Banner Neurodegenerative Disease Research Center (NDRC), investigate the effects of choline, an important…
Hypotrichosis simplex leads to progressive hair loss already in childhood. A team of researchers led by human geneticists at the University Hospital of Bonn has now deciphered a new gene that is responsible for this rare form of hair loss. Changes in the LSS gene lead to impairment of an important enzyme that has a crucial function in cholesterol metabolism. The scientists now present their…
Nanosystems that deliver anticancer drugs or imaging materials to tumours are showing significant progress, particularly those that respond to tumour-related stimuli, according to a review published in the journal Science and Technology of Advanced Materials. However, further research is still required to make sure these delivery systems are stable, non-toxic and biodegradable. Nanocarriers…
The complex structure of breast tumours makes treatment a medical challenge. A promising, novel selenium-based breast cancer nanoparticle therapy by the Austrian Centre of Industrial Biotechnology (acib) together with other partners in the EU-project Neosetac could change that: It has proved to boost the active agent delivery and assure it's active only in the target tissue while also bringing…
A research team led by the University of Alabama at Birmingham is launching a study to find a better model for glioblastoma, a particularly devastating type of brain tumour, to help determine the most appropriate treatment modality. The $3.6 million, five-year U01 grant award is funded by the National Cancer Institute, one of the National Institutes of Health. The UAB team will join four other…
Sepsis remains a common and deadly condition that occurs when the body reacts to an infection in the bloodstream. Scientists know little about the early stages of the condition; however, physicians must act fast. Every hour that passes without one or more of the few treatments available increases the risk of death.
Test results are denoted by a colour change and could be further analysed by a smartphone app, making it attractive as a point-of-care diagnostic device.
A team of researchers at the University of Cologne's Faculty of Medicine and the German Center for Infection Research (DZIF) use a novel immunochromatographic method to detect bacteria that are resistant to the antibiotic group carbapenemes within 20 to 45 minutes from blood cultures with 100 percent certainty.
CRISPR has recently become synonymous with precise genetic editing. However, the mighty tool has been known to fail from time to time. Now, researchers have found out why.
The exchange of a single amino acid building block in a metabolic enzyme can lead to cancer. In addition, it can impair the immune system. It thus blocks the body’s immune response in the battle against the mutant molecule and also impedes immunotherapy against brain cancer. This finding opens new insights into cancer development and progression and it also suggests that rethinking antitumor…
FDA approves first drug comprised of an active ingredient derived from marijuana to treat rare, severe forms of epilepsy.
Every cell and every organism ages sooner or later. But why is this so? Scientists at the German Cancer Research Center in Heidelberg have now discovered for the first time a protein that represents a central switching point in the aging process. It controls the life span of an individual - from the fly to the human being. This opens up new possibilities for developing therapies against…
The first defense line of the body against virus infections is composed of so-called restriction factors. SAMHD1, one of such restriction factors, does not only play a role in the defense against viruses but also in the development of autoimmune disorders and cancer. The question of which effect SAMHD1 exertsin the cell is decided by addition or removal of phosphate groups.
Babraham Institute researchers have shown that some tumours use not one but two levels of protection against the immune system. Knocking out one level boosted the protective effects of the second and vice versa. The research demonstrates that a two-pronged approach targeting both cell types simultaneously may offer a promising route for the development of new cancer immunotherapies.
Clinical trial enrolment favours men, according to a study presented at Heart Failure 2018 and the World Congress on Acute Heart Failure, a European Society of Cardiology congress.1 The study found that fewer women meet eligibility criteria for trials of heart failure medication. Helena Norberg, author of the study, junior lecturer and PhD student, Umeå University, Sweden, said: “One of the…
This platform enables you to perform high class molecular diagnostics at an unbelievable speed. All assay run times are as short as 15 to 30 minutes, depending on the sample material. The lyophilised reactions are shippable and storable at room temperature and ready to use, with a shelf life of 18 month. Due to the robustness of the polymerase you don’t need any DNA extraction. The…
Experts at the 70th Annual Meeting of the German Society for Hygiene and Microbiology, held in Bochum, exchanged information on newly discovered resistances. ‘Specifically, resistance against a class of antibiotics that has, so far, always been viewed as a reserve appears to be developing more intensively than previously assumed,’ explained Professor Sören Gatermann, congress president and…
Beta-lactam antibiotics, including penicillin, are one of the most widely used classes of antibiotics in the world. Though they’ve been in use since the 1940s, scientists still don’t fully understand what happens when this class of drugs encounters bacteria. Now, researchers at the University of Notre Dame have elucidated how an enzyme helps bacteria rebound from damage inflicted by…
In a mouse study, a drug that has helped millions of people around the world manage their diabetes might also help people ready to kick their nicotine habits. In a report published in The Proceedings of the National Academy of Sciences of the United States of America (PNAS), investigators say metformin, an inexpensive drug commonly used to treat patients with type 2 diabetes, appears to block…
Bacterial vaginosis (BV) is a common infectious disorder that affects millions of women worldwide. Women of all ages are at risk for BV and its complications, which include a greater susceptibility to sexually transmitted infections (STIs) such as herpes simplex virus and HIV. If left undetected and untreated, BV can increase a woman's risk of upper genital tract infections such as pelvic…
The recent ACC/AHA Guidelines have increased the number of patients said to have hypertension by up to 40 percent (new 130/80 mmHg). The international recommendation is to treat hypertension with angiotensin converting enzyme inhibitors (ACEIs). These drugs, however, have significant adverse effects: Often a chronic dry cough leads to patients withdrawing from treatment. On rare occasions, ACEIs…
This year’s unexpectedly aggressive flu season reminds everyone that although the flu vaccine can reduce the number of people who contract the virus, it is still not 100 percent effective. Researchers report that a tweak to a small-molecule drug shows promise for future production of new antiviral therapies that could help patients, regardless of the strain with which they are infected. The…
While gastritis and gastric ulcer disease used to be put down to stress and dietary factors, it was discovered in the 1980s that the actual culprit is infection with a bacterium, H. pylori. This pathogen is now classed as a type I carcinogen by the WHO, as it is the major risk factor for development of gastric carcinoma. Attempts to develop a vaccine against H. pylori have been unsuccessful and…
The mass pursuit of a conspicuous suspect in Alzheimer’s disease may have encumbered research success for decades. Now, a new data analysis that has untangled evidence amassed in years of Alzheimer’s studies encourages researchers to refocus their investigations. Heaps of plaque formed from amyloid-beta that accumulate in afflicted brains are what stick out under the microscope in tissue…
A powerful genome editing tool can be deployed as an ace DNA detective, able to sniff out DNA snippets that signal viral infections, cancer, or even defective genes. This genetic detective, developed in the laboratory of Howard Hughes Medical Institute (HHMI) Investigator Jennifer Doudna at the University of California, Berkeley, uses the genome-slicing system known as CRISPR. By combining the…
A team of researchers from the Cleveland Clinic Lerner Research Institute have found that gradually depleting an enzyme called BACE1 completely reverses the formation of amyloid plaques in the brains of mice with Alzheimer’s disease, thereby improving the animals’ cognitive function. The study, which will be published in the Journal of Experimental Medicine, raises hopes that drugs targeting…
Scientists at the University of Delaware and the University of Illinois at Chicago have found a new way to kill liver cancer cells and inhibit tumor growth. First, they silence a key cellular enzyme, and then they add a powerful drug. They describe their methods in a new paper published in Nature Communications. This research could accelerate the development of new treatments for liver cancer,…
Standard medical tests miss nearly two-thirds of heart attack diagnoses, reveals research presented at CMR 2018. “Unrecognised MI has a poor short-term prognosis but until now the long-term outlook was unknown,” said lead author Dr Tushar Acharya, a cardiologist at the National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, US. “This study investigated long-term…
Bacteria are stealthy organisms. They can multiply in minutes and evolve to survive what we throw at them—including antibiotics. The World Health Organization calls antibiotic resistance “one of the biggest threats to global health, food security, and development today.” Each year, about 2 million people in the United States become infected with antibiotic-resistant bacteria, according to…
Nearly a quarter of patients with chronic ischaemic cardiovascular disease are dead or hospitalised within six months, reports a European Society of Cardiology (ESC) study published in the European Journal of Preventive Cardiology. “Coronary artery disease is the leading cause of death worldwide yet some patients appear to get lost in the system after their initial visit to a hospital or…
A team of scientists at the Keck School of Medicine of USC is looking to some deep sea dwellers to create a better way to develop cancer-fighting therapies. Harnessing the power of the enzymes that give these marine animals the ability to glow, the team created a test that makes it easy for researchers to see whether a therapy is having its intended effect — killing cancer cells. The results of…
A team of researchers in Italy and Austria has determined that a drug approved to treat chronic lymphocytic leukemia (CLL) may be less effective in a particular subset of patients. The study, published in the Journal of Experimental Medicine, reveals that ibrutinib has a diminished capacity to delocalize and kill tumor cells expressing an adhesive protein called CD49d, but combining ibrutinib…
Using molecular scissors wrapped in a greasy delivery package, researchers have disrupted a gene variant that leads to deafness in mice. A single treatment involving injection of a genome editing cocktail prevented progressive hearing loss in young animals that would have otherwise gone deaf, Howard Hughes Medical Institute (HHMI) Investigator David Liu and colleagues report in the journal…
Genentech researchers have identified an enzyme that shifts pancreatic cancer cells to a more aggressive, drug-resistant state by epigenetically modifying the cells’ chromatin. The study, which will be published in the Journal of Cell Biology, suggests that targeting this enzyme could make pancreatic cancer cells more vulnerable to existing therapies that currently have only limited effect…
In a comprehensive and complex molecular study of blood samples from Ebola patients in Sierra Leone, published in Cell Host and Microbe, a scientific team led by the University of Wisconsin–Madison has identified signatures of Ebola virus disease that may aid in future treatment efforts. Conducting a sweeping analysis of everything from enzymes to lipids to immune-system-associated molecules,…
Patients with advanced breast cancer who are treated with a combination of drugs that target specific molecules important for cancer development and also the hormones that are driving it are at increased risk of suffering adverse side effects. In new research presented at the Advanced Breast Cancer Fourth International Consensus Conference (ABC 4), researchers have shown that combining targeted…
Treating type 1 diabetes and some cases of type 2 diabetes has long required painful and frequent insulin injections or a mechanical insulin pump for insulin infusion. But researchers from the University of North Carolina and NC State have now developed what could be a much more patient-friendly option: artificial cells that automatically release insulin into the bloodstream when glucose levels…
Not long ago, POCT was a specialist diagnostic discipline used by only few laboratory staff. This has changed considerably over recent years. Initially, the main focus had been on determining electrolytes, blood gases, blood clotting and blood count, but further parameters, such as kidney function, cardiac enzymes, urine tests and testing for autoimmune diseases have now been added. Whilst the…
Antibiotic resistant bacteria lead to infections that are difficult to treat, particularly in hospitals. Multidrug-resistant Escherichia coli bacteria which have developed special enzymes that render antibiotics ineffective frequently cause such infections. DZIF scientists from Gießen University examined these bacteria more precisely and discovered a strain of Escherichia coli that has been…
Modifying a DNA sequence to alter a cell to cure a disorder, prevent a genetic disease being passed on to next generations, or to use genetic modification as a way to diagnose a virus: yes, these tasks are possible. The recently discovered CRISPR technique can do it all.
For years, medical investigators have tried and failed to develop vaccines for a type of staph bacteria associated with the deadly superbug MRSA. But a new study by Cedars-Sinai investigators shows how staph cells evade the body’s immune system, offering a clearer picture of how a successful vaccine would work.
It had already been known that the enzyme known as phosphatidic acid phosphatase plays a crucial role in regulating the amount of fat in the human body. Controlling it is therefore of interest in the fight against obesity. But scientists at Rutgers University-New Brunswick have now found that getting rid of the enzyme entirely can increase the risk of cancer, inflammation and other ills.
Researchers at the Keck School of Medicine of the University of Southern California (USC) are tackling Alzheimer’s disease with a new study that intervenes decades before the disease develops.
Compounds in a fermented fish paste used as a condiment in Indonesia efficiently inhibit an enzyme involved in cholesterol synthesis, reports a study published in the Pertanika journal Tropical Agricultural Science.
Combining a new compound with old drugs could provide an effective remedy against malaria and drug-resistant parasites.
German researches have linked the increased production of a certain enzyme in the liver to fatty liver and insulin resistance.
A protein found in the edible mushroom known as "shaggy ink cap" might be able to kill a type of leukemia cell, new research suggests.
Resident microbes living on the eye are essential for immune responses that protect the eye from infection, new research shows. The study demonstrates the existence of a resident ocular microbiome that trains the developing immune system to fend off pathogens. The research was conducted at the National Eye Institute (NEI), part of the National Institutes of Health. "This is the first…
High doses of vitamin D taken one hour after sunburn significantly reduce skin redness, swelling, and inflammation, according to double-blinded, placebo-controlled clinical trial out of Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Center.
A certain immune reaction is the key, not to slowing atherosclerosis like cholesterol-lowering drugs do, but instead to reversing a disease that gradually blocks arteries to cause heart attacks and strokes. This is the finding of a study in mice led by researchers at NYU Langone Medical Center.
Beckman Coulter Diagnostics along with partner Diazyme Laboratories announces FDA clearance of a new procalcitonin (PCT) assay, an important tool for the management of bacterial infections and sepsis.
A team of researchers from the University of Würzburg has discovered an interesting enzyme in the pathogens responsible for African sleeping sickness: It could be a promising target for drugs.
A vaccine to immunise people against high levels of cholesterol and the narrowing of the arteries caused by build-up of fatty material (atherosclerosis) may be possible following successful results in mice. Now, a phase I trial in patients has started to see if the findings translate to humans.
A recently published Cornell University study describes how shifts in the diets of Europeans after the introduction of farming 10,000 years ago led to genetic adaptations that favored the dietary trends of the time.
Scientists in the UK have developed a new model that will help to advance the study of resistance to antibiotics.
A team of researchers has pinpointed a sugar modification in cells that spurs the spread of skin cancer. Its findings spotlight a target in the battle against melanoma.
All cancer tumors have one thing in common – they must feed themselves to grow and spread, a difficult feat since they are usually in a tumor microenvironment with limited nutrients and oxygen. A study at The University of Texas MD Anderson Cancer Center has revealed new details about how an enzyme called acetyl-CoA synthetase 2 (ACSS2) allows brain tumors to grow despite their harsh…
Inhibition of the enzyme RIOK1 could stop the growth of tumors and the development of metastases
An international research team from the University Hospital of Munich (LMU), Newcastle University and the University of Liverpool has identified a gene mutation that causes a hereditary skeletal muscle disorder. The study is published in the "American Journal of Human Genetics".
Colon cancer: nutritionists at University of Jena clarify protective effect of nuts.
Bacterial cells have an added layer of protection, called the cell wall, that animal cells don't. Assembling this tough armor entails multiple steps, some of which are targeted by antibiotics like penicillin and vancomycin.
Genetics stepping ahead as Spain-based researchers develop biomedical robots that can help in the study of rare diseases, neurodegenerative disorders and cancer, as well as the creation of orphan drugs.
Researchers at Cincinnati Children’s Hospital Medical Center grew functional stomach and intestinal tissues to study diseases and new drugs. They use pluripotent stem cells to generate human stomach tissues in a petri dish that produce acid and digestive enzymes.
BBI Solutions has launched Morffi, a novel conjugate blocking technology that enhances signal intensity and improves the sensitivity of lateral flow immunoassaysThe technology, developed in-house by BBI Solutions scientists, improves the limit of detection of an assay, providing an increase in sensitivity of up to ten times and a faster time to result.
Professor Peter Guggenbichler is only too aware of infection prevention and control issues in hospitals. Prior to his retirement in 2013, from the Children’s Hospital at Erlangen University Hospital, in Germany, he led the Infectiology and Preventive Medicine Department, for 25 years. ‘After countless nights on the intensive care ward I realised that the staff does not adhere to infection…
Scientists have shown that a mutation in a gene called Arid1b can cause liver cancer. The gene normally protects against cancer by limiting cell growth, but when mutated it allows cells to grow uncontrollably. The researchers have shown that two existing drugs can halt this growth in human cells. This points to a new approach to treating liver cancer.
A 50-year-old man was admitted to the emergency department with hepatitis, most likely due to his intake of 4-5 energy drinks every day for three weeks, reveal doctors writing in the journal BMJ Case Reports.
The increasing numbers of bacteria resistant to the newer generations of antibiotics is a public health problem on a global scale. Bacteria have an extraordinary capacity for adaptation, mutating permanently to overcome the action of our increasingly impotent antimicrobial armamentarium. A situation further aggravated by the use of the powerful ‘large spectrum’ antibiotics, creating further…
EKF Diagnostics announces that its newly introduced Glycated Serum Protein (GSP) LiquiColor® diabetic biomarker test has been verified for use on the Siemens Vista chemistry analyzer. In a scientific poster published by scientists at the Memorial Healthcare System, Hollywood, USA [1], it was demonstrated that EKF’s GSP assay enhances the versatility of the Vista system for the specialized…
Despite their different triggers, the same molecular chain of events appears to be responsible for brain cell death from strokes, injuries and even such neurodegenerative diseases as Alzheimer's. Now, researchers at Johns Hopkins say they have pinpointed the protein at the end of that chain of events, one that delivers the fatal strike by carving up a cell's DNA. The find, they say, potentially…
NIBIB researchers have created a nanovaccine that could make a current approach to cancer immunotherapy more effective while also reducing side effects. The nanovaccine helps to efficiently deliver a unique DNA sequence to immune cells – a sequence derived from bacterial DNA and used to trigger an immune reaction. The nanovaccine also protects the DNA from being destroyed inside the body, where…
Researchers have discovered that secondary infection with the Methicillin-resistant Staphylococcus aureus (MRSA) bacterium (or “superbug”) often kills influenza patients because the flu virus alters the antibacterial response of white blood cells, causing them to damage the patients’ lungs instead of destroying the bacterium. The study suggests that inhibiting this response may help treat…
The calibration laboratories Bonn and Hannover are scientific institutions of the Reference Institute for Bioanalytics (RfB). Using traceable reference measurement procedures of the highest metrological order the laboratories determine laboratory medical target values, so-called reference method values, in human or human-like materials such as serum, plasma or urine. Report: Christina Ritter-Sket
They may be slimy, but they are a perfect environment for microorganisms: biofilms. Protected against external influences, here bacteria can grow undisturbed, and trigger diseases. Scientists at Kiel University, in cooperation with colleagues at the Hamburg University of Technology (TUHH) in Hamburg-Harburg, are researching how it can be possible to prevent the formation of biofilms from the…
The cause of Alzheimer’s disease remains unknown. Early diagnosis is currently not possible as clinical symptoms only occur once a large number of neurones in the brain have already been destroyed. There is no treatment available either.
Pediatric laboratory medicine plays a minor role in the large field of laboratory medicine. This may be due to the low incidence of rare diseases, which are a major task of pediatric medicine, but also to the small number of pediatric samples in routine laboratory medicine overall. Since most diagnostic laboratories do receive pediatric samples now and then, it is essential that there are primary…
As part of a national, joint research project in cooperation with Chronix Biomedical (San Jose, CA/USA/Göttingen/Germany), Professor Michael Oellerich MD is on new biomarkers in organ transplantation, aiming to develop personalised immunosuppression for patients. This also entails the development of molecular test procedures, among others for the early detection of rejection. The keyword here is…
Bacterial infections that don't respond to antibiotics are of rising concern, as is sepsis - the immune system's last-ditch, failed attack on infection that ends up being lethal itself. Reporting online in "Nature", researchers at Boston Children's Hospital describe new potential avenues for controlling both sepsis and the runaway bacterial infections that provoke it.
When an immune T cell divides into two daughter cells, the activity of an enzyme called mTORC1, which controls protein production, splits unevenly between the progeny, producing two cells with different properties. Such "asymmetric division," uncovered by Johns Hopkins Kimmel Cancer Center researchers using lab-grown cells and specially bred mice, could offer new ways to enhance cancer…
Researchers at the University of Bonn and the Ludwig-Maximilians-Universität of Munich have decoded a new mechanism of how the immune system can specifically attack pigmented cells of the skin. It was previously believed that natural killer cells did not have an immunological memory for the body's own tissues. However, the scientists have now showed that these immune cells can indeed…
New research has found that a process initiated in white blood cells known as neutrophils may lead to worse outcomes for some patients with chronic obstructive pulmonary disease (COPD). The discovery may help identify patients at higher risk for COPD progression, who might also show little benefit from standard treatments.
To make a good framework for filling in missing bone, mix at least 30 percent pulverized natural bone with some special man-made plastic and create the needed shape with a 3D printer. That’s the recipe for success reported by researchers at The Johns Hopkins University.
Including a small amount of chocolate each day could help prevent diabetes type 2 and insulin resistance. That’s one of the research findings from the Luxembourg Institute of Health (LIH), the University of Warwick Medical School, the University of South Australia and the University of Maine.
An international team of including the Lomonosov Moscow State University researchers discovered which enzyme enables Escherichia coli bacterium (E. coli) to breathe.
Data presented at the European Congress of Clinical Microbiology and Infectious Diseases diseases has highlighted how a recently-discovered mechanism could mean one of the last-resort antibiotics is under threat. Evidence put before ECCMID suggested the genetic mechanism allowing bacteria to develop and transfer resistance to colistin has been present in several countries around the world –…
Colon cancer is one of the most common forms of cancer in Germany. Prof. Dr. med. Sebastian Zeißig, group leader at the DFG Research Center for Regenerative Therapies Dresden (CRTD) - Cluster of Excellence at the TU Dresden and physician at the Department of Medicine I, University Hospital Carl Gustav Carus Dresden, has now shown a decisive role of gut bacteria in the regulation of intestinal…
Sepsis represents a serious complication of infection and is one of the leading causes of death and critical illness worldwide due in part to the lack of effective therapies.
Despite messages to the contrary, most women being seen by a doctor for the first time with suspected heart disease actually experience the same classic symptoms as men, notably chest pain and shortness of breath, according to a study led by the Duke Clinical Research Institute.
Microbiologists at the Universities of Münster and Nottingham, in England, have analysed an enzyme which might play an important role in the treatment of infections from the hospital germ pseudomonas aeruginosa. They have decoded the three-dimensional structure of the enzyme and revealed its function.
According to the American Heart Association, ischemic strokes account for nearly 90 percent of all strokes. They occur when a blocked artery prevents blood from getting to the brain and usually result in long-term disability or death. Now, a team of researchers led by the University of Missouri School of Medicine has developed a new, real-time method of imaging molecular events after strokes - a…
Scientists at the German Cancer Research Center (DKFZ) and the Stem Cell Institute HI-STEM in Heidelberg have discovered the reason why some pancreatic tumors are so resistant to treatment. They have found that these tumor cells produce larger quantities of an enzyme that usually occurs in the liver and degrades many drugs. If this enzyme is blocked, the cancer cells become sensitive towards…
Taking clear pictures of megaenzymes isn’t easy. But it’s definitely worth it. These proteins play an active role in creating many common antibiotics. They are in constant motion, with sections that flip around acrobatically to carry out necessary tasks. Now, for the first time, McGill researchers have been able to take a series of 3D images of a large section from one of these…
When cells die, they don't vanish without a trace. Instead, they leave behind their fingerprints in the form of cell-free DNA. In people, these tiny fragments of DNA can be found in the bloodstream.
Doctors at the Duke University School of Medicine have tested a new injectable agent that causes cancer cells in a tumor to fluoresce, potentially increasing a surgeon’s ability to locate and remove all of a cancerous tumor on the first attempt. The imaging technology was developed through collaboration with scientists at Duke, the Massachusetts Institute of Technology (MIT) and Lumicell Inc.
Antibodies combat viruses and bacteria. They also attach themselves to cancer cells – in a typical, characteristic way. Fraunhofer scientists are using this property to detect cancer cells in tissue samples. Such rapid tests can already be applied by surgeons during operations – within a few minutes and without expensive equipment.
Scientists have shown for the first time that an enzyme crucial to keeping our immune system healthy “surfs” along the strands of DNA inside our cells. The researchers used extremely powerful microscopy to watch how the enzyme AID (activation-induced deoxycytidine deaminase) moves around and interacts with other molecules.
A new cellular structure responsible for previously unexplained rejection of organ transplants has been identified by researchers at the University of Montreal Hospital Research Centre (CRCHUM.)
Nothing could be simpler: a drop of blood is placed on a special carrier substance; after a wait of a few minutes, the slide is placed on a device that emits polarised light thanks to an inexpensive polarisation filter. It is covered with a lid containing a second polarisation filter, which blocks the light from all materials except crystalline or materials with directional properties.
Results from a long-term clinical trial conducted by cancer researchers at Houston Methodist Hospital show that combining radiation treatment with "suicide gene therapy," a technique in which prostate cancer cells are genetically modified so they signal a patient's immune system to attack them, provides a safe and effective one-two punch against the disease.
The first-ever images of the protein complex that unwinds, splits, and copies double-stranded DNA reveal something rather different from the standard textbook view. The electron microscope images, created by scientists at the U.S. Department of Energy's Brookhaven National Laboratory with partners from Stony Brook University and Rockefeller University, offer new insight into how this molecular…
“These dates we have access to a lot of genetic information which had previously not been available to us. For the individual, this can provide options for action with regards to leading a healthier lifestyle or to try and prevent diseases,” knows Dr. Theodor Dingermann. The senior professor of the Goethe University in Frankfurt am Main has had his own genome decoded. In parts, the result…
A nanofiber hydrogel infused with snake venom may be the best material to stop bleeding quickly, according to Rice University scientists.
Researchers at University of California, San Diego School of Medicine and Skaggs School of Pharmacy and Pharmaceutical Sciences have found that the breast cancer drug tamoxifen gives white blood cells a boost, better enabling them to respond to, ensnare and kill bacteria in laboratory experiments. Tamoxifen treatment in mice also enhances clearance of the antibiotic-resistant bacterial pathogen…
Researchers from the University of Cologne and NEO New Oncology AG today jointly published in Nature* the findings of an extensive genomic analysis of neuroblastoma, a malignant pediatric tumor of the sympathetic nervous system. In the most aggressive forms of this tumor, the researchers identified previously unknown genomic alterations leading to up-regulation of the telomerase reverse…
An international team of researchers, led by scientists at the National University of Singapore (NUS), has identified a protein that regulates the growth of neurons by transporting key metabolic enzymes to the tips of neural cells. Their findings open up new avenues for design of drugs for ataxia, a motor coordination disorder.
When our cells copy their DNA to grow and replicate, it’s vital the process runs smoothly. To get this right, cells use a complex “machine”, made from many hundreds of components. This machine is built afresh, moment by moment as it’s needed during the copying process. This assembly–de-assembly is vital to accurate and efficient copying.
There may be two new ways to fight AIDS -- using a heat shock protein or a small molecule – to attack fibrils in semen associated with the human immunodeficiency virus (HIV) during the initial phases of infection, according to new research from the Perelman School of Medicine at the University of Pennsylvania.
The European Society of Clinical Microbiology and Infectious Disease (ESCMID) advocates the need for greater education, guidance and research on the build-up, treatment and prevention of biofilms, which contribute to antimicrobial resistance.
The number of hepatitis C patients suffering from advanced liver damage may be grossly underestimated and underdiagnosed, according to a study led by researchers at Henry Ford Health System and the U.S. Centers for Disease Control and Prevention.
Scientists have designed nanoparticles that release drugs in the presence of a class of proteins that enable cancers to metastasize. That is, they have engineered a drug delivery system so that the very enzymes that make cancers dangerous could instead guide their destruction.
An LMU team has uncovered a new role for the protein Atrx, which is involved in various aspects of gene expression. The new work shows that the protein is also involved in silencing endogenous retroviral genomes integrated in cellular DNA.
Pathogenic bacteria develop killer machines that work very specifically and highly efficiently. Scientists from the University of Freiburg have solved the molecular mechanism of a fish toxin that could be used in the future as a medication to treat cancer.
The lab of Kai Johnsson at EPFL, led by Alberto Schena and Rudolf Griss, were able to add a small chemical tag on the enzyme luciferase, which produces the light of fireflies. The tag detects a target protein, and the luciferase gives out a light signal that can be seen with a naked eye.
Researchers at the RIKEN Brain Science Institute have uncovered a new mechanism for the regulation of blood pressure. Published in Molecular Cell, the study links events at the single-cell level to a system-level effect, showing that blood pressure can drop dramatically if the protein ERAP1 is released from cells and enters the blood stream.
Chemists at Caltech have developed a new sensitive technique capable of detecting colorectal cancer in tissue samples—a method that could one day be used in clinical settings for the early diagnosis of colorectal cancer.
Every time a cell divides, the ends of chromosomes – the threads of DNA residing in the nucleus – shorten a bit. Once the chromosome ends, called telomeres, become too short, cells normally stop dividing. Scientists from the German Cancer Research Center (DKFZ) have now discovered how cancer cells make use of specific DNA repair enzymes to extend the telomeres. In this way, they escape the…
New research in The FASEB Journal suggests that clinical trials of omega-3 and antioxidant supplementation should be undertaken for people with Alzheimer's disease with mild clinical impairment.
A group of researchers, lead by Vasily M. Studitsky, professor at the Lomonosov Moscow State University, discovered a new mechanism of DNA repair, which opens up new perspectives for the treatment and prevention of neurodegenerative diseases. The article describing their discovery is published in AAAS' first open access online-only journal Science Advances.
Danish researchers from the University of Copenhagen have discovered what controls the enzyme that aids the growth of cancer tumours. These findings could be of great value to cancer treatments and has just been published in the renowned journal, Nature Communications.
Tumor suppressor genes protect against cancer. Until now, scientists have had to perform complex experiments to detect whether or not a mutation or loss of this gene type does, in fact, cause cancer. Scientists from the German Cancer Research Center (DKFZ) have now used a new gene technology method called CRISPR/Cas9 technology for this detection.
Painful insulin injections could become a thing of the past for the millions of Americans who suffer from diabetes, thanks to a new invention from researchers at the University of North Carolina and NC State, who have created a “smart insulin patch” that can detect increases in blood sugar levels and secrete doses of insulin into the bloodstream whenever needed.
It may come as a bit of a surprise to learn that bacteria have an immune system – in their case to fight off invasive viruses called phages. And like any immune system – from single-celled to human – the first challenge of the bacterial immune system is to detect the difference between “foreign” and “self.” This is far from simple, as viruses, bacteria and all other living things…
Hyperactivity and social abnormalities are defining characteristics of ADHD and autism, two developmental disorders that parents and scientists around the world are struggling to understand. At the RIKEN Brain Science Institute in Japan, researchers have identified the protein IRBIT as a key player in preventing these behaviors from developing.
Several EPFL laboratories are working on devices allowing constant analysis over as long a period as possible. The latest development is the biosensor chip, created by researchers in the Integrated Systems Laboratory working together with the Radio Frequency Integrated Circuit Group. Sandro Carrara is unveiling it today at the International Symposium on Circuits and Systems (ISCAS) in Lisbon.
Professor Hedvig Hricak MD PhD, Chair of the Department of Radiology at the Memorial Sloan-Kettering Cancer Centre, New York, and Professor of Radiology at Cornell University, Ithaca, New York, is a notable expert on crosssectional anatomic and molecular imaging, particularly of gynaecologic and prostate cancers. EH interviewed her about the potential and impact of more precise viewing of inter-…
Working with lab animals and human heart cells, scientists from Johns Hopkins and other institutions have identified what they describe as "the long-sought culprit" in the mystery behind a cell-signaling breakdown that triggers heart failure.
Cells have two different programs to safeguard them from getting out of control and developing cancer. One of them is senescence (biological aging). It puts cancer cells into a permanent sleep so they no longer divide and grow in an uncontrolled way. Now the research group led by Professor Walter Birchmeier (Max Delbrück Center for Molecular Medicine, MDC, Berlin-Buch) has discovered that an…
Nanoparticles are extremely small particles that can be modified for a variety of uses in the medical field. For example, nanoparticles can be engineered to be able to transport medicines specifically to the disease site while not interfering with healthy body parts.
Many therapeutic cancer vaccines that are currently being developed are designed to direct the immune system against altered cancer-cell proteins.
Taking antibiotics for diarrhea may put travelers visiting developing parts of the world at higher risk for contracting superbugs and spreading these daunting drug-resistant bacteria to their home countries, according to a new study published in Clinical Infectious Diseases and now available online.
The human immune system is usually very efficient in protecting the body against diseases by eliminating pathogens as well as infected, damaged or otherwise suspicious cells. However, it often fails because tumours have developed efficient strategies that hamper the system’s ability to detect and destroy the cancer cells. Report. Ludger Weß
Iron deficiency and resulting anaemia cause fatal comorbidities worldwide. Despite this, they are generally underestimated. Professor Lothar Thomas, specialist in laboratory medicine at Central Laboratory of the University Hospital of Frankfurt/Main, is calling for more information about the new laboratory parameters for diagnosis and monitoring of iron deficiency and iron substitution therapy.
Trichomonias, with an estimated 187 million cases, and Chlamydia with around 100 million, are the most prevalent sexually transmitted diseases (STDs), according to the World Health Organisation (WHO). There are approximately 36 million cases each of gonorrhoea and syphilis. HIV1/2 cases are around 34 million. Report: Cynthia Keen
The human gut literally teems with microorganisms from at least 1,000 different species that are increasingly considered to be a valuable resource for the prediction, aetiology and prognosis of disease. Due to continual contact with the environment, primarily via food, the gut is susceptible to infection when a virus, parasite or bacterium enters and disrupts normal gut microbiota (or flora).
Optimising protective operating theatre clothing in terms of comfort and durability enables significant amounts of waste to be avoided and valuable resources saved.
A tiny nanoscale device can accurately measure a patient’s blood for methotrexate – a commonly used but potentially toxic cancer drug – in under 60 seconds, according to biomedical instrument designer Jean-François Masson, and Joelle Pelletier, a DHFR enzyme specialist, both at the Chemistry Department, University of Montreal.
Doctor Véronique Mondain from Nice explains the ambitious project she and colleagues have put in place to help combat the rise of these resistant pathogens.
The significant benefits of cardiac catherisation remain undisputed. However, cross-sectional imaging modalities are serious competitors when it comes to arriving at the right diagnosis.
UK scientists are developing a hand-held testing device for use at the point of care and provide a disease diagnosis on the same day.
Scientists in the UK are working to develop a hand-held testing device to provide same day diagnosis from a patient’s bedside. The device will use disposable cartridges and utilise printed circuit board technology (PCB) that will allow a fast and low-cost diagnosis.
A small prick to sample blood instead of complex pathological or other diagnostic procedures – this is how early cancer diagnosis will be in the near future. Blood tests to diagnose tumorous diseases early are already being researched for clinical use.
‘No large incision, no scalpel and no sutures: Radiologically guided, minimally invasive procedures can help many patients with chronic pain when conservative procedures don’t work,’ said Professor Siegfried Thurnher, head of the Department of Radiology and Nuclear Medicine at Vienna’s Hospital of St. John of God.
Curie-Cancer, the body which leads the Institut Curie's industry partner research activity, and Servier, today announce that they have renewed their partnership with the aim of identifying therapeutic targets for treating ‘triple negative’ breast cancers. The partnership will continue for a further three years.
Snibe, the Shenzhen New Industries Biomedical Engineering Company Ltd., is a leading Chinese biomedical technology company dedicated to developing and manufacturing clinical laboratory equipment and in vitro reagents. Founded 18 years ago and a growing force in the Chinese market, the firm is based in Shenzhen, China’s fourth largest city, situated in Guangdong Province.
Working independently from different perspectives, geneticists from Finland and biochemists from Würzburg have researched the molecular mechanisms of schizophrenia and cognitive impairment.
Snibe, Shenzhen New Industries Biomedical Engineering Co., Ltd., is a leading Chinese biomedical technology company dedicated to developing and manufacturing clinical laboratory equipment and reagents.
‘All human body cells contain the same DNA, but every type of cell – for example a muscle cell compared to that of a nerve – has a different gene expression pattern’, said Dr Sonja Stadler, speaking at the 2012 congress of DGKL (German Society for Clinical Chemistry).
Hedvig Hricak, Chair of the Radiology Department at the Memorial Sloan-Kettering Cancer Center, New York, USA, describes emerging applications and potential trends in gynaecological cancer treatment described at the 15th International Symposium Crossing Barriers
With 350,000 mammography screenings annually, Unilabs Sweden finds itself on the leading edge for research in mammography and pioneering patient education programmes. John Brosky reports
A large population-based study from Finland has shown that being unmarried increases the risk of fatal and non-fatal heart attack in both men and women whatever their age.
As in so many European countries, nosocomial infections have hit the headlines in Germany over and over again in recent years – as when three premature babies died in a Bremen neonatal clinic in 2011.
Inadequate testing may mean one of the most common healthcare-acquired infections could go undiagnosed.
Although scientists and medics have sought ways to grow artificial skin in laboratories since the 1970s, only now has it become possible to reproduce the top layer of skin, thanks to work at the Trauma Surgery and Orthopaedics Clinic in Berlin (ukb).
Using a mathematical formula that carefully measures the degree to which HIV infection of immune system cells is stalled by antiretroviral therapy, AIDS experts at Johns Hopkins have calculated precisely how well dozens of such anti-HIV drugs work, alone or in any of 857 likely combinations, in suppressing the virus.
Using precise information about an individual’s genetic makeup is becoming increasingly routine for developing tailored treatments for breast, lung, colon and other cancers. But techniques used to identify meaningful gene mutations depend on analyzing sequences of both normal and mutant DNA in tumor samples, a process that can yield ambiguous results.
Collaborations between Johns Hopkins and National Taiwan University researchers have successfully manipulated the life span of common, single-celled yeast organisms by figuring out how to remove and restore protein functions related to yeast aging.
Although the 17 lectures delivered at this year‘s Medical Technology Congress in Berlin, Germany, focused on topics ranging from experimental and clinical research to routine daily diagnostic methods, the pervading interest was in the improvement, development and distribution of non-invasive imaging devices and corresponding software.
In the first month of 2011, the Centre for Pharmacogenetics and Pharmacogenomics at the Paracelsus Private Medical University in Salzburg, Austria, officially opened its doors. Why have pharmacogenetics and pharmacogenomics so increasingly important in medical research? We asked the head of the new research centre, Professor Markus Paulmichl.
Different tests bring different results, and results of the same types of test vary from laboratory to laboratory. "In the case of test procedures for autoimmune diseases there are incredible discrepancies," confirmed Professor Manfred Herold, head of the Laboratory for Rheumatism at the University Clinic for Internal Medicine One, Innsbruck. The reason: "There are no standards for…
Numerous studies have shown that cocoa has a protective effect against cardiovascular diseases. The reason for this has now been uncovered by researchers at Linköping University in Sweden. When a group of volunteers devoured a good-sized piece of dark chocolate, it inhibited an enzyme in their bodies that is known to raise blood pressure.
Biomarkers as the key to prevention and early detection were the subject this autumn at the 7th Annual Congress of the German Society for Clinical Chemistry and Laboratory Medicine (DGKL) in Mannheim. For the DGKL president Professor Karl J Lackner MD, Director of the Institute for Clinical Chemistry and Laboratory Medicine at Johannes Gutenberg University, Mainz, the topic is of increasing…
Small and with a life cycle of just two weeks, fruit flies are seen by many as pests and a problem all year round. However, for nearly a century, the humble insect, officially known as Drosophila melanogaster, which measures no more than 3mm, has performed a vital role in genetics and developmental biology. Fruit flies are genetically diverse and easy to use in research, helping scientists in a…
The 3-year Translational Research On Combating Antimicrobial Resistance (TROCAR) project, a consortium of 14 European institutes, has completed its first year of molecular study of high-risk antibiotic-resistant bacteria. With expertise ranging from medical microbiology to computational analysis, this network of excellence is on track to identify and target the resistant and multi-resistant…
A new method to produce insulin cheaply has been developed by researchers at the Helmholtz-Centre for Infection Research (HZI) in Braunschweig, in a German-Indo collaboration. The group’s results are published in the open access online research magazine Microbial Cell Factories. The data is freely accessible by anyone and is not subject to patent law.
In hospitals, MRSA is considered Public Enemy Nr 1, and the increase in nosocomial infections, worldwide, has drawn universal attention to this ‘superbug’. However, Staphylococcus aureus is not alone – other pathogens are proving their resistance to antibiotics, in the last decade, gram-negative enterobacteria, which form the enzyme extended-spectrum beta-lactimases (ESBL), have joined the…
Eppendorf AG offers the first two-component PCR plate designed to be easily divisible, saving material and money when running smaller-scale experiments. These twin.tec unskirted 96-well plates fit almost all available PCR instruments and can be snapped into four separate 24-well segments and the empty wells saved for future use.
New drugs that are helping fight a multi-front war on cancer may do the same for cardiovascular disease, Medical College of Georgia researchers said. Cancer and cardiovascular disease, both among top U.S. killers, share inflammation as a cause. Heat shock protein 90 inhibitors as a treatment could become additional common ground, said Dr. John Catravas, director of MCG's Vascular Biology Center.
Like a bolt from the blue ischemic stroke strikes a patient unpredictably. The consequences are devastating: stroke is the number one cause of serious disabilities in adulthood - and, in Europe alone, someone suffers a stroke every 20 seconds. Thrombolysis ensures that blood clots in the brain dissolve. However, the majority of patients do not profit from this therapy.
Professor Norbert Suttorp and his team at the Clinic for Infectology and Pneumonology, Charité University Hospital Berlin, have been working on the understanding of the basic mechanisms of inflammation and infection -- and utilising them. Professor Suttorp has been working for many years on questions relating to the subject Therapy in addition to antibiotics.
Integrated PET/MRI systems will permit the simultaneous acquisition of molecular, functional and structural parameters. The combined strengths of PET (high sensitivity and specificity, but relatively low spatial resolution) and MRI (high resolution, but low sensitivity) is the most attractive feature of multimodal imaging with hybrid scanners. Their application could substantially contribute to…
When we organised the first Diagnostic Week in Karlsruhe, in 1969, no one could have known that this event would one day turn into the annual highlight in the world of medicine, reflected Dr Wolfgang Albath, laboratory medicine pioneer and one of the founding fathers of MEDICA the world`s largest medical trade show. Initially planned as a moving exhibition, the show has been based in…
Chirurgen an der Charité haben in kolorektalem Tumorgewebe eine spezifische Anhäufung von Protoporphyrin-IX (PpIX), einem rot-fluoreszierenden Vorläufermolekül des Häms beobachtet. Wir konnten zeigen, dass diese Anhäufung von PpIX darauf zurückzuführen ist, dass das Enzym, das PpIX normalerweise in Häm überführt, die sogenannte…
Positive CB7630 (Abiraterone Acetate) Phase II Data was presented at the ASCO Annual Meeting in Chicago this May/June, Cougar Biotechnology Inc, a development stage biopharmaceutical firm with a specific focus on oncology. In mid-July, Johnson & Johnson announced its acquisition of Cougar, which is now working with Ortho Biotech Oncology Research & Development, a division of the J&J firm Centocor…
Completion of a Phase I clinical trial has demonstrated the great promise of a completely new type of cancer treatment, according to results announced this June in The New England Journal of Medicine by scientists at the Institute of Cancer Research (ICR) and the Royal Marsden Hospital in the United Kingdom, working with pharma firm AstraZeneca.
Beckman Coulter, Inc. has expanded its drugs of abuse test menu to include a DRI* Oxycodone Enzyme Immunoassay (OXYX). The assay is for the qualitative and semi-quantitative determination of oxycodone and its metabolite, oxymorphone, in human urine.
Scientists have developed a new test for detecting kidney disease, according to a paper published online in April by Kidney International (www.nature.com/ki/). The technique will allow researchers and clinicians to identify kidney disease or injury within 15 minutes of testing in both rats and humans.
Genetic differences can explain why some patients undergoing heart surgery later experience shock and kidney complications, according to a study by German and Australian researchers. The results indicate that performing a genetic test on patients before they have surgery can help guide treatment after they leave the operating room.
Dr Giorgio Rizzatto, who heads the Department of Diagnostic Imaging at ASS 2 Isontina (including the Gorizia and Monfalcone hospitals) in NE Italy, works with nine radiologists, who examine and report on 80,000 clinical and screening breast examinations annually.
In the sixth in his series for European Hospital, Professor Stefan Schönberg (left) of the Institute of Clinical Radiology and Nuclear Medicine (IKRN), University Hospital Mannheim, Medical Faculty of Mannheim, University of Heidelberg, invited colleagues from Mannheim and Vienna for a round-table discussion on:
Allein in Deutschland müssen jährlich schätzungsweise vier Millionen Patienten mit chronischen Wunden versorgt werden. Eine Wundauflage, die von den Hohenstein Instituten in Bönnigheim im Rahmen eines Forschungsprojektes in Zusammenarbeit mit der Gesellschaft zur Förderung von Medizin-, Bio- und Umwelttechnologien e.V. (GMBU) in Dresden entwickelt wurde, eröffnet…
A wound compress is being developed at the Hohenstein Institute in Boennigheim, Germany, that could pave the way for new treatment opportunities. The new wound compress would integrate and continually deliver effective ingredients on the basis of nanosol technology. The technique speeds up healing, simplifies treatment and reduces the amount of time required for care.
Wissenschaftler aus dem Deutschen Krebsforschungszentrum zeigen, dass einige immunologische Tests dem gebräuchlichen enzymatischen Verfahren (HaemOccult) deutlich überlegen sind. Allerdings stellten sie große Unterschiede in der Leistungsfähigkeit der Tests verschiedener Anbieter fest.
German scientist Harald zur Hausen showed that oncogenic human papilloma virus (HPV) cause cervical cancer, the second most common cancer among women. Françoise Barré-Sinoussi and Luc Montagnier from France discovered HIV.
A compressed cranial nerve by blood vessels is responsible for numerous diseases. The most well-known example is trigeminal neuralgia, which is agony for many people affected by its sudden shooting pain in the face.
A new paper by Shahriar Mobashery, Navari Family Professor in Life Sciences at the University of Notre Dame, and researchers in his lab provides important insights into promising new antibiotics aimed at combating MRSA.
Laboratory automation of the 21st century demonstrates, every second, that in the 30 years since labs took their first tentative steps towards automation it has advanced by orders of magnitude - and moved far beyond the ambitions of its progenitors. Driven by the imperatives of greater efficiency, more precision and round-the-clock operation, ever more sophisticated forms of automation are now…
Little research has been carried out into new therapies for wound healing. As chronic wounds tend to be classed as side effects of other diseases, e.g. diabetes, they are often treated as trivial. However, the body's capacity to heal itself often does not set in for weeks.
'How do you treat the HIV-positive, diabetic, schizophrenic patient presenting with chest pain? By making the necessary information available for personalised medicine'
Analytica, to be held in Munich for the 21st time, has become a leading international trade fair for instrumental analysis, laboratory technology and biotechnology, showcasing the entire range of equipment, solutions and services for laboratories in industry and research. About 400 exhibitors will fill five halls in the New Munich Trade Fair Centre.
Ireland - Researchers are investigating a new breed of bacteria that carry extended spectrum beta-lactimases (ESBLs) enzymes which can destroy many common antibiotics, including penicillins and cephalosporins.
Enzymes are biocatalysts that control the different metabolic processes of living organisms. These range from digestion to the copying of genetic information.
That tap water carries pathogens such as legionella or pseudomonas aeruginosa is well known, writes Heidi Heinhold. However, new research results show that bacteria that were previously considered non-pathogenic, such as coagulase-negative staphylococci (CONS), can be present in hospital water and are transmitted by the water
USA — Miniscule gold 'nanorods' triggered by a laser beam can blast holes in tumour cell membranes, which then activates a complex biochemical mechanism that leads to the tumour cell to self-destruct, according to researchers at the Weldon School of Biomedical Engineering in Purdue University, Idaho.
Researchers from the Robert Gordon University in Aberdeen, UK, presented a study at The British Pharmaceutical Conference, held from 10th to 12th September, 2007, at Manchester Central, showing that a chemical coating is able to encapsulate and protect insulin against enzymes that usually break down the hormone in the gastrointestinal tract.
Several acrylamide scandals, especially in germany, lead to an increased awareness of the customers and to economical problems of manufacturers of e.g. potatoe crisps in the past. Now, the company DSM Food Specialties, active worldwide in nutritional and pharma ingredients, performance materials and industrial chemicals, might have found a solution.
The first of its kind in Europe, the €12 million BaSysBio (Bacillus Systems Biology) project, initiated in December, is headquartered in France, but involves 15 top European research organisations, as well as an Australian university.
A joint project of more than 30 European stroke units just started to examine a potential connection between Fabry disease and stroke in young patients. The results of the worldwide SIFAP (Stroke in Young Fabry Patients) study might give an explanation for some of the 25% of strokes with unknown origin in patients aged 18-55 years.
AstraZeneca has been collaborating with researchers who detected a potential Aurora B inhibitor.
Scientific meetings held since 1998 at Alpbach, Germany, have attracted the sponsorship of leading associations and companies such as the Philip Morris External Research Programme, the Donors Association of German Science, Swiss National Fund, the German Heart Centre Foundation, Berlin, and Philips Medical Systems. At the 4th Alpbach Meeting, which focused on Magnetic Resonance, Contrast…
Currently, five years of treatment with tamoxifen is considered the 'gold-standard' treatment for postmenopausal women with breast cancer. This drug blocks oestrogen, which can help fuel the growth of tumours in some cases.
Researchers at the Virginia Commonwealth University (VCU) found out that patients with generalised aggressive periodontitis generally had elevated plasma levels.
A connection has been discovered between raised levels of the liver enzyme Gamma-Glutamyl-Transferase (GGT) and the probability of death from diseases of the cardiovascular system or strokes.
USA - Non-steroidal anti-inflammatory drugs (NSAIDs) could reduce the risk for breast cancer by 71%, according to recent studies published in the journal BMC Cancer. In colorectal cancer, these protective features of painkillers have already been known to exist for a while.
The development of diagnostic products and systems has paralleled the development of new technologies in fields such as biology, electronics and computer science.
Joint Commission International (JCI) accredited hospitals have long expressed an interest in performance measurement to support quality improvement efforts and to provide a valid base for local, national, and international comparisons.
Red green and white biotechnology
Sildenafil, an active agent used in the impotence drug Viagra, has been administered to seven young mountaineers on an Everest expedition, to test its effect on the lungs. Seven other men on the expedition are receiving a placebo.
A newly invented 'Polypill', composed of currently available drugs, may act as a 'vaccine' against heart disease, according to new research published in the British Medical Journal (28 June. BMJ 2003;326:1419).
Due to economic pressure, laboratories increasingly consolidate and automate procedures. Further cost reductions could come about through miniaturisation and multi-parameter tests.
Medication regimes based on cocktails of antiretroviral drugs can reduce the AIDS virus to almost undetectable levels.
Clinical chemistry has evolved far beyond its beginnings of blood and urine analysis. Advanced techniques such as enzyme measurement, electrophoresis, and immunoassays have made their impact on the field, expanding its diagnostic capabilities. Keep reading for advances in automation and clinical chemistry applications for toxicology, urinalysis and much more.