Tumor cells are notorious for their rapid and uncontrolled division, and many cancer therapies aim to disrupt this. New findings suggest potential applications of apoptosis in blood cancer treatment.
A European research team has now shown that dietary measures are more effective in IBS patients with defects in carbohydrate digestion genes than in those without these changes.
Researchers have developed an artificial intelligence which can differentiate cancer cells from normal cells, as well as detect the very early stages of viral infection inside cells.
Diagnosis and monitoring medical conditions, including cancer, diabetes, heart disease, and infections: In this opinion article, Alix Joseph (Linxens) explores the potential of sweat analysis.
Many medicines require cold storage, which is a challenge for infrastructure and sustainability. Now, researchers designed a hydrogel protecting therapeutics at temperatures as high as 50°C.
Researchers have discovered an Achilles heel of migratory metastatic cells: They now investigate how the cell death mechanism ferroptosis can be utilized for future cancer treatments.
Enzyme-driven nanorobots could be used in the treatment of joint diseases such as arthritis. A new research project explores the potential of this technology.
A new test shows promise in making cervical cancer screening more accessible and less invasive by detecting oncoproteins of the human papillomavirus (HPV) in urine samples.
A new radiotracer enables positron emission tomography (PET) scans to be used for the first time to accurately pinpoint when and where tuberculosis (TB) is still active in a patient’s lungs.
A research group established a microfluidic control technology that can be applied to small blood testing devices and consequently developed a novel integrated immunoassay device.
Donor blood is a scarce and valuable resource. Researchers aim to mitigrate this by using enzymes to remove specific sugars that make up the A and B antigens in the human ABO blood groups.
After a stroke or heart attack, the risk of infection is increased – however, why this happens was unknown. Now, researchers found a previously unknown cause – and a therapeutic approach.
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.
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…
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.
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.
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.
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.
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…
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.
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.
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.
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.
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…
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.
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.
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…
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…
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…
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…
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…
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