Medical Xpress news

Medical Xpress / New implant captures gut-brain signals in awake, moving animals

Scientists have been able to measure the electrical signals in the "second brain in our guts" for the first-ever time, giving renewed understanding to its interconnection with the brain.

Nov 21, 2025 in Neuroscience
Medical Xpress / Macrophages can act like neurons for faster muscle injury repair, study finds

At the cellular level, the mechanics of how muscle tissue repair occurs gets complicated. There are significant differences between, say, tearing a muscle in a sports injury versus muscle tissue wasting away from diseases ...

Nov 21, 2025 in Immunology
Medical Xpress / How the cheese-noodle principle could help counter Alzheimer's

Researchers at the Paul Scherrer Institute PSI have clarified how spermine—a small molecule that regulates many processes in the body's cells—can guard against diseases such as Alzheimer's and Parkinson's: It renders ...

Nov 21, 2025 in Neuroscience
Medical Xpress / How COVID-19 variants outsmart the immune system

Researchers at the Icahn School of Medicine at Mount Sinai and collaborators have created the most comprehensive map to date showing how antibodies attach to the SARS-CoV-2 virus, which causes COVID-19, and how viral mutations ...

Medical Xpress / Higher screen time linked to ADHD symptoms and altered brain development

The digital age has fundamentally reshaped childhood, making screens an integral part of learning, socialization, and entertainment. Globally, screen time among adolescents has surged, accelerated by the isolation and remote ...

Nov 21, 2025 in Neuroscience
Medical Xpress / Reducing inflammation may protect against early age-related macular degeneration-like vision loss

University of Minnesota Medical School researchers have shown that reducing chronic inflammation can significantly protect against age-related macular degeneration (AMD)-like pathology in preclinical models. The findings ...

Medical Xpress / Marine bacteria show potent antitumor effects against colorectal cancer

A research team led by Professor Eijiro Miyako at the Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology (JAIST), has discovered that the marine bacterium Photobacterium ...

Nov 21, 2025 in Oncology & Cancer
Medical Xpress / Early brain differences may explain sex-specific risks for addiction

The roots of addiction risk may lie in how young brains function long before substance use begins, according to a new study from Weill Cornell Medicine. The investigators found that children with a family history of substance ...

Nov 21, 2025 in Neuroscience
Medical Xpress / Genetic events that can trigger leukemia in patients with a rare disorder deciphered

Two parallel and complementary studies conducted by the IDIBELL team led by Dr. Alessandra Giorgetti have succeeded in recreating models of GATA2 deficiency disease, a rare genetic disorder that affects fewer than 1 million ...

Nov 21, 2025 in Oncology & Cancer
Medical Xpress / Targeting brain immune cells could restore Alzheimer's-related lipid imbalance, research shows

More than a century ago, Alois Alzheimer noted unusual changes in brain fats, which he described as "lipoid granules," along with the buildup of amyloid‐beta (amyloid) plaques and tau protein tangles. These observations ...

Medical Xpress / Rare mutation may predict strong immunotherapy response in colorectal cancer

A new study led by researchers at The University of Texas MD Anderson Cancer Center shows that a specific subset of mutations in the POLE gene is strongly associated with durable responses to immunotherapy in patients with ...

Nov 21, 2025 in Oncology & Cancer
Medical Xpress / Arginine supplementation curbs Alzheimer's disease pathology in animal models

Alzheimer's disease (AD), a progressive neurodegenerative disorder, is one of the leading causes of dementia worldwide, and currently has no definitive cure. Although antibody-based therapies that target amyloid β (Aβ) ...

Nov 21, 2025 in Neuroscience