Medical Xpress news

Medical Xpress / 30 distinct genes that influence vitamin D status identified in new study

Trinity researchers have led a new collaborative study, combining large genetic datasets with satellite weather data and uncovering more than 30 distinct genes that influence vitamin D status, many of which were not previously ...

Dec 3, 2025 in Genetics
Medical Xpress / NeuMap: A pioneering map of neutrophils that redefines their role in health, infection and inflammation

Neutrophils are the most abundant immune cells in the body and the first to respond to infection or tissue damage. Yet despite their importance, until now very little was known about how they truly function, how they change ...

Dec 3, 2025 in Immunology
Medical Xpress / Hidden cellular layers revealed in brain's memory center

Researchers at the Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine of USC have identified a previously unknown pattern of organization in one of the brain's most important ...

Dec 3, 2025 in Genetics
Medical Xpress / New vaccine sparks hope in whooping cough control

A human challenge trial has shown a new vaccine could offer better protection against whooping cough. The new study, delivered in partnership between the University of Southampton, University Hospital Southampton, and the ...

Medical Xpress / Evidence lacking for medical cannabis in most conditions, researchers find

Medical cannabis lacks adequate scientific backing for most of the conditions it is commonly used to treat, including chronic pain, anxiety and insomnia, according to a comprehensive review led by UCLA Health.

Medical Xpress / New test distinguishes vaccine-induced false positives from active HIV infection

Since the human immunodeficiency virus (HIV) was identified in 1983, roughly 91.4 million people around the world have contracted the virus and an additional 44.1 million have died from related causes. Currently, nearly 40 ...

Dec 3, 2025 in HIV & AIDS
Medical Xpress / Age-related muscle wasting tied to cell recycling defect

Two related studies published today in Nature Metabolism show that a specialized intracellular recycling mechanism—chaperone-mediated autophagy (CMA)—is essential for muscle health.

Dec 3, 2025 in Gerontology & Geriatrics
Medical Xpress / Spatial transcriptomics gains quality control with new open-source repository and protocols

Spatial transcriptomics provides a unique perspective on the genes that cells express and where those cells are located. However, the rapid growth of the technology has come at the cost of standardization and consistency. ...

Dec 3, 2025 in Genetics
Medical Xpress / Small team, big impact: Automation helps relieve symptoms to keep cancer patients out of the ER

For many people living with cancer, symptoms such as pain, anxiety or insomnia can quickly spiral into an emergency room visit. Such visits can be financially costly and take an emotional toll on patients and their caregivers.

Dec 3, 2025 in Oncology & Cancer
Medical Xpress / Breast cancer remodels lymphatic vessels to accelerate its spread, research reveals

Breast cancer is able to modify the lymphatic vessels through which it travels to the draining lymph nodes. From there, it can then spread to other parts of the body. A new finding by Finnish researchers may help develop ...

Dec 3, 2025 in Oncology & Cancer
Medical Xpress / A molecular 'reset button' for reading the brain through a blood test

Tracking how genes switch on and off in the brain is essential for understanding many neurological diseases, yet the tools to monitor this activity are often invasive or unable to capture subtler changes over time. One emerging ...

Dec 3, 2025 in Neuroscience
Medical Xpress / Telling women they have dense breasts as part of mammography screening may have unintended effects

Recommendations introduced in Australia and being considered in the UK to tell women if they have dense breasts as part of their screening results may have unintended effects and increase demand on health services, finds ...

Dec 3, 2025 in Health