Medical Xpress news

Medical Xpress / Trial drug can significantly block early stages of COVID-19 in engineered human tissues

An international team led by University of British Columbia researcher Dr. Josef Penninger has found a trial drug that effectively blocks the cellular door SARS-CoV-2 uses to infect its hosts.

3 hours ago in Medical research
Medical Xpress / Starving pancreatic cancer of cysteine may kill tumor cells

A new study from Columbia University Irving Medical Center and the Herbert Irving Comprehensive Cancer Center suggests a compound in development for a rare kidney stone disease may have potential against pancreatic cancer. ...

3 hours ago in Oncology & Cancer
Medical Xpress / COVID-19 vaccine candidate shows promise in first peer-reviewed research

University of Pittsburgh School of Medicine scientists today announced a potential vaccine against SARS-CoV-2, the new coronavirus causing the COVID-19 pandemic. When tested in mice, the vaccine, delivered through a fingertip-sized ...

Medical Xpress / Study overturns 'snapshot' model of cell cycle in use since 1974

Cells have a big decision: Should they replicate or sleep? Healthy cells can go either way. Cancer cells' replication switches are stuck in the 'on' position. Now a study by University of Colorado Cancer Center researchers ...

5 hours ago in Medical research
Medical Xpress / Tailoring an anti-cancer drug for optimal tumor cell killing

In a study published this week in Science, Université de Montreal researchers report key structural and biochemical differences among a class of anti-cancer drugs known as PARP inhibitors. These distinguishing differences ...

5 hours ago in Oncology & Cancer
Medical Xpress / Researchers find opioid prescriptions linked to obesity

Two new studies from the Boston University School of Public Health (BUSPH) shed light on the relationship between obesity and the use of prescription opioids in the United States.

3 hours ago in Medications
Medical Xpress / Researchers find that nicotinamide may help treat fibrotic eye diseases and mitigate vision loss

Nicotinamide, a form of vitamin B3, can inhibit aggressive cell transformations during wound healing and may be key to the development of therapies to treat fibrotic eye diseases that impair vision, according to a new Mount ...

6 hours ago in Medical research
Medical Xpress / Natural sunscreen gene influences how we make vitamin D

Genetic variations in the skin can create a natural sunscreen, according to University of Queensland researchers investigating the genes linked with vitamin D.

6 hours ago in Genetics
Medical Xpress / Single mutation leads to big effects in autism-related gene

A new study in Neuron offers clues to why autism spectrum disorder (ASD) is more common in boys than in girls. National Institutes of Health scientists found that a single amino acid change in the NLGN4 gene, which has been ...

6 hours ago in Genetics
Medical Xpress / Drugs considered for COVID-19 can raise risk for dangerous abnormal heart rhythms

As some consider treating coronavirus patients with a combination of the malaria drug hydroxychloroquine and the antibiotic azithromycin, cardiologists are advising caution because both medications can increase the risk for ...

Medical Xpress / Muscle protein abundant in the heart plays key role in blood clotting during heart attack

A prevalent heart protein known as cardiac myosin, which is released into the body when a person suffers a heart attack, can cause blood to thicken or clot—worsening damage to heart tissue, a new study shows.

3 hours ago in Cardiology
Medical Xpress / Lifestyle changes could delay memory problems in old age, depending on our genes

Researchers from King's College London have shown that how we respond to changes in nutrients at a molecular level plays an important role in the aging process, and this is directed by some key genetic mechanisms.

7 hours ago in Genetics