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Search for: "molecules" - 250 articles found

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News • Low field imaging

0.05 Tesla MRI: When less is more

A whole-body MRI scanner with a compact 0.05 Tesla permanent magnet has been developed that operates on a standard wall power outlet without radiofrequency or magnetic shielding cages.

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Article • Sustainability

The challenge of "greening" medical technologies

Under the impulse of the European Commission, the in vitro diagnostic industry is developing emerging technologies to implement sustainable practices in medical laboratories. As sustainability has been a growing priority of the European Union (EU) in the last decade, ‘the medical technology sector, particularly the IVD sector, must comply with European legislation in this field like all other…

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News • Enabling neuronal tissue growth

A hydrogel to heal the brain

Synthetic hydrogels were shown to provide an effective scaffold for neuronal tissue growth in areas of brain damage, providing a possible approach for brain tissue reconstruction.

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News • Promising reseach results

Using artificial DNA to kill cancer

Researchers at the University of Tokyo have used artificial DNA to target and kill cancer cells in a completely new way. The method showed promising results against various cancers in lab tests on mice.

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News • Assessing bone quality via blood sampling

New device for diagnosing bone fragility

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.

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News • miR-634 vs. OSCC

Anti-cancer "dream cream" to shrink oral tumors

Modern medicine offers “peel and stick” solutions like nicotine or contraceptive patches to put right on the skin without needing to visit a doctor for an injection or procedure. Now, researchers have found that applying a topical ointment containing anti-tumor factor can increase the effectiveness of cancer treatment.

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Article • Super-resolution miscroscopy

PEAR: setting nano-imaging in motion

Ever since the Abbe diffraction limit of conventional microscopy has been surpassed, super-resolution techniques have been diving ever deeper into the most miniscule details of molecular structures. We spoke with Prof. Dominic Zerulla, whose company PEARlabs is developing an imaging technique that sets out to push the boundaries once more – by looking at in-vivo nano-scale processes in motion.

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Sponsored • DBS PEth analysis

Fully automated and hematoctrit corrected phosphatidylethanol analysis

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…

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Article • Exploring the potential of IMS

Ion mobility spectrometry: Rapid results from breath analysis

Ion-mobility spectrometry (IMS) offers opportunities for rapid diagnosis and clinical decision-making due to breath analysis. As a rapid separation tool, it has clinical value in the identification and analysis of proteins, peptides, lipids, and glycans. The tool is already used as an exhaled drug monitor for anaesthetised patients. It is flexible, portable and has use for point-of-care testing,…

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News • Synthetic nucleic acid

New approach could help weak hearts

Heart failure with preserved ejection fraction was previously considered largely untreatable. A research team at the Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC) led by Professor Michael Gotthardt has now succeeded for the first time in improving cardiac function with the help of a synthetic nucleic acid, as the researchers report in the journal Science…

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News • Resistance mechanism discovered

How staphylococci protect themselves against antibiotics

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.

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News • microRNAs hint at cognitive decline

Researchers find warning signs for dementia in the blood

Researchers at the DZNE and the University Medical Center Göttingen (UMG) have identified molecules in the blood that can indicate impending dementia. Their findings, which are presented in the scientific journal “EMBO Molecular Medicine”, are based on human studies and laboratory experiments. Various university hospitals across Germany were also involved in the investigations.

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Article • Mass spectrometry goes handheld

A pen to pin down the fringes of cancer

Mass spectrometry – a powerful tool for analysing the molecular composition of a tissue sample – is invaluable during cancer surgery. However, mass spectrometers are complex and unwieldy, and certainly a poor fit for an operating room (OR). To create a bridge between the lab and OR, Professor Livia S Eberlin, from Baylor College of Medicine, has developed a very special ‘pen’.

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News • Ductal adenocarcinoma

Pancreatic cancer ‘priming’ may make chemotherapy more effective

A new approach to ‘prime’ the tumour environment may improve how effective chemotherapy is for pancreatic ductal adenocarcinoma, one of the most aggressive forms of pancreatic cancer. In preclinical models, a team at the Garvan Institute of Medical Research could enhance the tumours’ response to chemotherapy by reducing the stiffness and density of the connective tissue known as the stroma,…

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News • Tumor growth stopped in mice

Antidepressants show promise in cancer growth inhibition

Classic antidepressants could help improve modern cancer treatments. They slowed the growth of pancreatic and colon cancers in mice, and when combined with immunotherapy, they even stopped the cancer growth long-term. In some cases the tumors disappeared completely, researchers at the University of Zurich (UZH) and University Hospital Zurich (USZ) have found. Their findings will now be tested in…

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Sponsored • Tools for the lab

Speeding up diagnostics to detect antibiotic resistance

Infectious disease diagnostics are notoriously slow. The gold standard for laboratory diagnosis of bacterial and fungal infection involves growing the pathogen from a clinical specimen – an overnight event, or even longer. The healthcare focus is on improving the use of antibiotics for better patient outcomes and reducing the environmental pressures that drive antibiotic resistance. To impact…

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News • Altered bacterial function

Accumulation of drugs in the gut may reduce their effectiveness

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…

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News • Biological image analysis

Machine learning accelerates super-resolution microscopy

Scientists use super-resolution microscopy to study previously undiscovered cellular worlds, revealing nanometer-scale details inside cells. This method revolutionized light microscopy and earned its inventors the 2014 Nobel Prize in Chemistry. In an international collaboration, AI researchers from Tübingen have now developed an algorithm that significantly accelerates this technology.

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News • Early detection & prevention

Blood-based micro-RNAs indicate colorectal cancer risk

The risk of colorectal cancer can be predicted more accurately by determining seven blood-based micro-RNAs (miRNAs) than by using traditional methods - and can be done so many years before a diagnosis is made. In a current study, researchers from the German Cancer Research Center and the National Center for Tumor Diseases (NCT) Heidelberg show that miRNA profiles provide greater predictive…

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News • Tumor environment

When cancer cells turn acidic to survive

For the first time, researchers at the Norwegian University of Science and Technology (NTNU) have shown how cancer cells reprogram themselves to produce lactic acid and to tolerate the acidic environment that exists around tumors. The finding could lead to a whole new direction for treating cancer. The breakthrough is the result of more than 13 years of work. The next step in research could…

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News • Cell delivery vehicles

Bio-inspired nanocontainers could enter cells and release their medical cargo

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,…

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News • Genome editing

Using CRISPR to speed up Covid-19 testing

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…

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News • Antisense therapy update

Huntington's disease: setback for study of promising agent

Roche announced the decision to discontinue dosing in the Phase III GENERATION HD1 study of tominersen (previously IONIS-HTTRx and RG6042) in manifest Huntington’s disease (HD). The decision was based on the results of a pre-planned review of the data from the Phase III study conducted by an unblinded Independent Data Monitoring Committee (iDMC). The iDMC made its recommendation based on the…

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News • Coronavirus protein and antibody detection

Bioluminescence lights up traces of Covid-19 in the blood

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…

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News • Hydrogel framework

Synthetic tissue with growing blood vessels developed

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…

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Video • Automated whole-body reperfusion

New technique to increase survival after cardiac arrest

Researchers at the Medical Faculty of the University of Freiburg have developed an improved therapeutic approach to resuscitate people after cardiac arrest - often without neurological complications. Around 50,000 people suffer sudden cardiac arrest in Germany every year. When occurring outside a hospital, the chances of survival are only ten percent. Survivors often suffer from severe permanent…

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News • Search for signatures

‘Long Covid’ biomarkers in blood could lead to diagnostic test

Markers in our blood – ‘fingerprints’ of infection – could help identify individuals who have been infected by SARS-CoV-2, the coronavirus that causes Covid-19, several months after infection even if the individual had only mild symptoms or showed no symptoms at all, say Cambridge researchers. The team has received funding from the National Institute for Health Research to develop a test…

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News • Mechanical inactivation

'Nano traps' to lock up and neutralize viruses

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…

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Article • AMR Insights platform

Antibiotic resistance: a global problem in urgent need of solutions

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…

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News • RAS protein mutation

New treatment approach targets cancer 'Death Star'

A new way to target a mutant protein which can cause the deadliest of cancers in humans has been uncovered by scientists at Leeds. The mutated form of the RAS protein has been referred to as the “Death Star” because of its ability to resist treatments and is found in 96% of pancreatic cancers and 54% of colorectal cancers. RAS is a protein important for health but in its mutated form it can…

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News • Support for T cells

Improving immune response against severe viral infections

Researchers have identified a way to improve the immune response in the face of severe viral infections. It is widely known that severe viral infections and cancer cause impairments to the immune system, including to T cells, a process called immune ‘exhaustion’. Overcoming immune exhaustion is a major goal for the development of new therapies for cancer or severe viral infections.

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Article • Antibiotic resistance

Five-minute MRSA detection with aptasensor swabs

An international research team from Saudi Arabia, Germany, and Jordan has developed a novel pathogen aptasensor swab designed to qualitatively detect, within five minutes, any methicillin-resistant Staphylococcus aureus (MRSA) contamination that remains in a hospital isolation room or other surface following standard decontamination and cleaning.

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Video • Handheld rapid testing

New tech to diagnose infections in minutes - without a lab

The idea of visiting the doctor’s office with symptoms of an illness and leaving with a scientifically confirmed diagnosis is much closer to reality because of new technology developed by researchers at McMaster University. Engineering, biochemistry and medical researchers from across campus have combined their skills to create a hand-held rapid test for bacterial infections that can produce…

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News • Severe effects

How COVID-19 wreaks havoc on human lungs

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have published the first detailed atomic-level model of the SARS-CoV-2 "envelope" protein bound to a human protein essential for maintaining the lining of the lungs.

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News • Molecular research

How retroviruses become infectious

Understanding every step in the life cycle of a virus is crucial for identifying potential targets for treatment. Now, scientists at the Institute of Science and Technology (IST) Austria were able to show how a virus from the retrovirus family – the same family as HIV – protects its genetic information and becomes infectious. Furthermore, they show an unexpected flexibility of the virus. This…

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News • Targeted drug delivery

'Soft X‑ray' method opens up ways for smart nano-medicine

Before the huge potential of tiny nanocarriers for highly targeted drug delivery and environmental clean-up can be realized, scientists first need to be able to see them. Currently researchers have to rely on attaching fluorescent dyes or heavy metals to label parts of organic nanocarrier structures for investigation, often changing them in the process. A new technique using chemically-sensitive…

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Article • dPCR and HSAFM

Low-cost technique for missed genetic mutations

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…

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News • Aggressive brain tumour

Glioblastoma can be tricked into 'repairing' itself

Scientists at the University College London (UCL) have made a ‘surprising’ discovery that glioblastoma, an aggressive brain cancer, mimics normal brain repair in white matter, which leads to the tumour becoming less malignant. In the study on mice, funded by Cancer Research UK and published in Nature Communications, researchers used these novel findings to identify drugs which could be used,…

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News • Battling bacteria

Stress test finds cracks in the armor of harmful hospital bugs

Research has identified critical factors that enable dangerous bacteria to spread disease by surviving on surfaces in hospitals and kitchens. The study into the mechanisms which enable the opportunistic human pathogen Pseudomonas aeruginosa to survive on surfaces, could lead to new ways of targeting harmful bacteria. To survive outside their host, pathogenic bacteria must withstand various…

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News • Regeneration research

Scientists uncover how our skin repairs itself

University of Manchester scientists have cast new light on how our skin repairs itself, bringing the possibility of regeneration of the organ a step closer. The study team, funded by the Medical Research Council and Helmut Horten Foundation, showed the activation of specific parts of the DNA leading to better division of human skin cells. The study is published in Nucleic Acid Research.

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News • Building a coronavirus factory

How SARS-CoV-2 reprograms human cells to their own benefit

Coronavirus researchers under Prof. Rolf Hilgenfeld of the University of Lübeck and Dr. Albrecht von Brunn of the Ludwig-Maximilians University of Munich discovered how SARS viruses enhance the production of viral proteins in infected cells, so that many new copies of the virus can be generated. Other coronaviruses apart from SARS-CoV and SARS-CoV-2 do not use this mechanism, thereby providing a…

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News • Lipid research

Solving the sub-zero challenge of Covid-19 vaccines

New research by University of Texas at Dallas scientists could help solve a major challenge in the deployment of certain Covid-19 vaccines worldwide — the need for the vaccines to be kept at below-freezing temperatures during transport and storage. In a study published online in Nature Communications, the researchers demonstrate a new, inexpensive technique that generates crystalline…

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News • From foe to friend?

Some Alzheimer’s plaques may be protective, not destructive

One of the characteristic hallmarks of Alzheimer’s disease (AD) is the buildup of amyloid-beta plaques in the brain. Most therapies designed to treat AD target these plaques, but they’ve largely failed in clinical trials. New research by scientists at the Salk Institute upends conventional views of the origin of one prevalent type of plaque, indicating a reason why treatments have been…

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News • Cancer research

'Gene ferry' improves immune therapies

Genetically enhancing a patient's immune cells by adding therapeutic genes to them outside the body is regarded as a promising new treatment approach in oncology. However, the production of these therapeutic cells using viruses is not only expensive but time-consuming. Researchers at the German Cancer Research Center (DKFZ) have developed an innovative non-viral vector that can efficiently…

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News • CRISPR-Cas9

An 'on-off switch' for gene editing

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,…

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News • Bioorganic chemistry

Why M. tuberculosis is so resistant to drugs and immune defenses

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.

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News • Bioengineering

Producing transplantable livers in the laboratory

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…

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News • Here comes the tooth fairy

New drug shows promise for regenerating lost teeth

A new study by scientists at Kyoto University and the University of Fukui may offer hope for adults who have lost their teeth. The team reports that an antibody for one gene - uterine sensitization associated gene-1 or USAG-1 - can stimulate tooth growth in mice suffering from tooth agenesis, a congenital condition. The paper was published in Science Advances. Although the normal adult mouth has…

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Article • Mass spectrometry analysis

Skin swabs can detect Covid-19

Skin swab samples analysed using mass spectrometry could be used to detect Covid-19 in patients, according to research conducted at the University of Surrey in the UK. Current Covid-19 testing is via a polymerase chain reaction (PCR) test, which involves taking a swab of the back of the throat and inside the nose, but the team from Surrey - working with Frimley NHS Trust and the Universities of…

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Video • Uprooting cancer

New hydrogel 'reprograms' cancer cells back to cancer stem cells

An innovative hydrogel – called a double network (DN) gel – can rapidly reprogram differentiated cancer cells into cancer stem cells, researchers at Hokkaido University and the National Cancer Center Research Institute have reported in the journal Nature Biomedical Engineering. The hydrogel can be used to help develop new cancer therapies and personalized medicines targeting cancer stem cells.

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News • Nanotechnology

New low-cost solution for virus-scale microscopy

Using an ordinary light microscope, engineers at the Massachusetts Institute of Technology (MIT) have devised a technique for imaging biological samples with accuracy at the scale of 10 nanometers — which should enable them to image viruses and potentially even single biomolecules, the researchers say. The new technique builds on expansion microscopy, an approach that involves embedding…

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News • Malignant brain tumor

Successful test for mutation-specific vaccine against diffuse gliomas

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.…

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News • A much-needed update

New 'double antibody' delivers dual strike SARS-CoV-2 and its variants

The Institute for Research in Biomedicine (IRB) in Switzerland developed a second-generation ‘double antibody’ that protects from SARS-CoV-2, the virus causing Covid-19, and all its tested variants. It also prevents the virus from mutating to resist the therapy. Antibody-based immunotherapy was already shown to be effective against Covid-19 but faces two main obstacles: it needs to work…

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News • SARS-CoV-2 neutralising antibodies

Covid-19 immunity may last from days to decades

Scientists from Singapore found that antibodies against SARS-CoV-2 wane at different rates, lasting for mere days in some individuals, while remaining present in others for decades. The study, published in The Lancet Microbe, shows that the severity of the infection could be a deciding factor in having longer-lasting antibodies. Individuals with low levels of neutralising antibodies may still be…

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News • BMMF research

Novel pathogens: a driver for colorectal cancer?

Do BMMFs, the novel infectious agents found in dairy products and bovine sera, play a role in the development of colorectal cancer? Scientists led by Harald zur Hausen detected the pathogens in colorectal cancer patients in close proximity to tumors. The researchers show that the BMMFs trigger local chronic inflammation, which can cause mutations via activated oxygen molecules and thus promote…

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News • Degenerative disease diagnostics

Parkinson's: Scientists develop ‘game-changing’ skin swab test

It is possible to identify Parkinson’s Disease based on compounds found on the surface of skin, according to new research. The findings offer hope that a pioneering new test could be developed to diagnose the degenerative condition through a simple and painless skin swab. Scientists at The University of Manchester have developed a technique which works by analysing compounds found in sebum -…

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News • Singlet contrast imaging

Hyperpolarized MRI enables real-time view on metabolic processes

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…

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News • Nanoparticle-based contrast agent SAIO

New MRI contrast agent to improve upon gadolinium-based products

Magnetic resonance imaging (MRI) is widely used to identify the narrowing or blockage of blood vessels. Contrast agents improve the visibility of the structures and offer more accurate information of vascular conditions such as vascular blockage and stenosis. Commonly used gadolinium-based contrast agents must be administered in chelated forms due to the gadolinium ions' high toxicity and pose…

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News • Analysing molecular composition

Infrared light is key in novel blood test

A new study carried out by a team of laser physicists, molecular biologists and physicians based at LMU Munich and the Max Planck Institute for Quantum Optics has confirmed the temporal stability of the molecular composition of blood in a population of healthy individuals. The data provide a basis for a new method of monitoring the constituents of blood and detecting alterations that reveal…

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News • Potential for rapid, accurate glycan sequencing

Enormous boost for sequencing key molecules

Using a nanopore, researchers have demonstrated the potential to reduce the time required for sequencing a glycosaminoglycan — a class of long chain-linked sugar molecules as important to our biology as DNA — from years to minutes. Research to be published this week in the Proceedings of the National Academies of Sciences shows that machine-learning and image recognition software could be…

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News • Survivin research

Switching off the 'survival protein' for cancer cells

It is called the "survival protein" because it plays a central role in the growth of cancer cells: survivin influences two important processes in the body's cells at the same time – cell death and cell division. Chemists and biologists at the Universität Duisburg-Essen (UDE) have now succeeded in developing a precise molecule that can bind the protein’s surface at a defined site…

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News • A BOLD-100 approach

Novel metallodrug shows promise in tumour treatment

BOLD-100/KP1339 is a ruthenium-based anticancer agent that has been co-developed at the University of Vienna and which has shown promising results in clinical trials in cancer patients. However, the mode of action of this metal compound has not yet been fully elucidated. Researchers from the University of Vienna and the Medical University of Vienna have now been able to demonstrate that BOLD-100…

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Article • Imaging tumour metabolism

Hyperpolarised MRI boosts cancer diagnosis

Tumour metabolism can be imaged with MRI as a technique to help determine cancer aggressiveness and response to therapy. The work by a UK-based group, on probing cancer metabolism non-invasively with clinical hyperpolarised carbon-13 MRI, can detect metabolic changes in the tumour. As metabolic changes occur much earlier than change in tumour size, this could have implications for quicker…

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News • Coronavirus research

Promising SARS-CoV-2 inhibitors discovered

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…

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News • Cancer vaccine research

Tackling tumors with two types of virus

An international research group led by the University of Basel has developed a promising strategy for therapeutic cancer vaccines. Using two different viruses as vehicles, they administered specific tumor components in experiments on mice with cancer in order to stimulate their immune system to attack the tumor. The approach is now being tested in clinical studies.

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News • Inactivation of Coronavirus & Co. via electrochemistry

Antiviral mask offers protection at the push of a button

Researchers at ZHAW Zurich University of Applied Sciences are working with the Swiss company Osmotex AG to develop a self-disinfecting mask that inactivates viruses at the push of a button. The prototype of this mask made of electrochemical textiles shows an antiviral effect of over 99 percent. Further applications such as sterilizable seat covers are being examined.

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News • Brain cancer research

New approach could stop glioblastoma growth

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…

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News • Spotting viral differences

Finding a better way to search for Covid-19 drugs

Is there a better approach to Covid drug research? Research from the University of Kent, Goethe-University in Frankfurt am Main, and the Philipps-University in Marburg has provided crucial insights into the biological composition of SARS-CoV-2, the cause of Covid-19, revealing vital clues for the discovery of antiviral drugs. Researchers compared SARS-CoV-2 and the closely related virus SARS-CoV,…

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News • 53,831 genomes analysed

Rare diseases: huge dataset brings new insights

Researchers at the University of Maryland School of Medicine (UMSOM) and their colleagues published a new analysis from genetic sequencing data of more than 53,000 individuals, primarily from minority populations. The early analysis, part of a large-scale program funded by the National Heart, Lung, and Blood Institute, examines one of the largest and most diverse data sets of high-quality whole…

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News • Rescuing brain cell activity

Alzheimer's: Promising avenue to restore cognitive function

A team of neuroscientists has identified a potential means to address the loss of cognitive function due to Alzheimer’s disease by targeting protein synthesis in mice. Their findings, reported in the journal Science Signaling, reveal that synthetic pharmaceuticals could rescue the activity of brain cells needed for memory formation.

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News • Microbiome research

'Organs-on-a-chip' system sheds light on interactions between gut and brain

In many ways, our brain and our digestive tract are deeply connected. Feeling nervous may lead to physical pain in the stomach, while hunger signals from the gut make us feel irritable. Recent studies have even suggested that the bacteria living in our gut can influence some neurological diseases. Modeling these complex interactions in animals such as mice is difficult to do, because their…

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News • Promising agents

The effect of vitamins, steroids and potential antivirals on SARS-CoV-2

Evidence is emerging that vitamin D – and possibly vitamins K and A – might help combat Covid-19. A new study from the University of Bristol published in the journal of the German Chemical Society Angewandte Chemie has shown how they – and other antiviral drugs – might work. The research indicates that these dietary supplements and compounds could bind to the viral spike protein and so…

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News • Protein anchors

Key molecule in cancer spread and epilepsy discovered

Certain anchor proteins inhibit a key metabolic driver that plays an important role in cancer and developmental brain disorders. Scientists from the German Cancer Research Center (DKFZ) and the University of Innsbruck, together with a Europe-wide research network, discovered this molecular mechanism, which could open up new opportunities for personalized therapies for cancer and neuronal diseases.

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News • Valid for breast as well as blood cancers

Surprising benefits discovered in new cancer treatment

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…

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News • Revealing the mechanisms

Unlocking ‘the shape of water’ to fight antibiotic resistance

New high-resolution structures of the bacterial ribosome determined by researchers at the University of Illinois Chicago show that a single water molecule may be the cause — and possible solution — of antibiotic resistance. The findings of the new study are published in the journal Nature Chemical Biology. Pathogenic germs become resistant to antibiotics when they develop the ability to…

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News • TB test shows promise

New method to assist fast-tracking of vaccines

With Covid-19 dominating medical science and human concern, chemists at the University of Sydney have developed a method to quickly and safely synthesise protein vaccines for respiratory diseases for pre-clinical tests. Their approach can be used to test vaccine strategies against novel pandemic pathogens such as SARS-CoV-2, the virus that causes Covid-19.

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News • Genome study reveals

Blood group affects composition of intestinal microbiome

For several years, scientists worldwide have been investigating the extent to which microorganisms living in and on the human body influence central life processes and thus health and disease. Today they assume that there is a connection between the totality of the microbial colonization in the human body, called the microbiome, and the development of diseases. Chronic inflammatory bowel disease…

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News • At atomic accuracy

Glulisine research could improve diabetes treatment

For the first time, scientists have come up with a precise atomic level explanation for why glulisine - a commonly used medication to treat diabetes - is faster acting than insulin. The findings, published in Scientific Reports, could have benefits for diabetes patients in ensuring that a more improved insulin can be developed for future treatment. The study was carried out by experts from the…

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News • Measuring mitochondrial DNA

Rapid blood test identifies Covid-19 patients at high risk of severe disease

One of the most vexing aspects of the Covid-19 pandemic is doctors’ inability to predict which newly hospitalized patients will go on to develop severe disease, including complications that require the insertion of a breathing tube, kidney dialysis or other intensive care. Knowledge of a patient’s age and underlying medical conditions can help predict such outcomes, but there are still…

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News • Osteoarthritis research

New treatment target could halt knee cartilage degeneration

There is currently no cure for osteoarthritis, but a group of scientists believe they’ve discovered a method through which a simple knee injection could potentially stop the disease’s effects. These researchers showed that they could target a specific protein pathway in mice, put it into overdrive and halt cartilage degeneration over time. Building on that finding, they were able to show that…

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