Medical Xpress news

Medical Xpress / i-DNA 'peek-a-boo structures' form in living cells and regulate genes linked to cancer

DNA's iconic double helix does more than "just" store genetic information. Under certain conditions, it can temporarily fold into unusual shapes. Researchers at Umeå University, Sweden, have now shown that one such structure, ...

Feb 7, 2026 in Oncology & Cancer
Medical Xpress / Surgical innovation may cut ovarian cancer risk by nearly 80%

A prevention strategy developed by Canadian researchers can reduce the risk of the most common and deadly form of ovarian cancer by nearly 80%, according to a new study published today in JAMA Network Open by researchers ...

Feb 7, 2026 in Oncology & Cancer
Medical Xpress / Simple patch can make medications safer and more effective

Vancomycin is the antibiotic doctors reach for when almost nothing else will work. It's used in hospitals for serious drug-resistant infections, or for when an infection is spreading through the patient's bloodstream, but ...

Feb 7, 2026 in Medications
Medical Xpress / PRISM reanalyzes 4,400 tumors, reshaping the debate over tumor microbiomes

When scientists sequence tumor DNA, they typically find small amounts of genetic code from bacteria, viruses and fungi—microorganisms that—if actually present in tumor tissues—could influence how they grow, evade immunity ...

Feb 7, 2026 in Health informatics
Medical Xpress / Study suggests protein made in the liver is a key factor in men's bone health

New research suggests the liver plays a previously unrecognized role in bone health, but only in males. A McGill University-led study published in Matrix Biology found that a protein made in the liver helps regulate bone ...

Medical Xpress / Wildfire smoke exposure tied to 24,000 deaths annually, study finds

Wildfires are growing larger, lasting longer and happening more often as the climate warms—but the toll from their toxic smoke, especially from long-term exposure, remains poorly understood.

Feb 7, 2026 in Health
Medical Xpress / What HSV-1 does inside the nucleus, and why it may aid early diagnosis

Researchers at the University of Jyväskylä (Finland), in cooperation with national and international research groups, have shown that DNA viruses infect cells and take over the host cell nucleus, inducing dramatic structural ...

Medical Xpress / Stimulating the central thalamus during anesthesia sheds light on neural basis of consciousness

The brains of mammals continuously combine signals originating from different regions to produce various sensations, emotions, thoughts and behaviors. This process, known as information integration, is what allows brain regions ...

Feb 6, 2026 in Neuroscience
Medical Xpress / Experimental bioadhesive patch sticks to wet brain tissue and wipes out most glioblastoma cells

Glioblastoma is the most prevalent and aggressive brain tumor. It proliferates very rapidly, is highly invasive, and there is currently no treatment capable of halting its progression or curing it, which means life expectancy ...

Feb 6, 2026 in Oncology & Cancer
Medical Xpress / The body processes good fats and bad fats differently, study finds

The concept of "good fats" and "bad fats" has influenced diet trends, public health policy, and biomedical research for decades. Now, a new study led by Thomas A. Vallim, Ph.D., a researcher and professor of medicine in the ...

Medical Xpress / Scientists now know why ovarian cancer spreads so rapidly in the abdomen

Ovarian cancer kills more women than any other gynecological cancer. Most patients receive their diagnosis only after the disease spreads throughout the abdomen. Until now, scientists have never fully understood why this ...

Feb 6, 2026 in Oncology & Cancer
Medical Xpress / Two key enzymes drive fat loss while preserving muscle: New pathway may lead to safer obesity treatments

A team of scientists has uncovered a critical mechanism that could pave the way for safer and more effective obesity treatments. The findings, published in Nature Communications, shed light on how leptin, a hormone that regulates ...

Feb 6, 2026 in Overweight & Obesity