Medical Xpress news

Medical Xpress / Creating a wireless tissue-aware medical device network in the human body

Diagnostic tests for stomach conditions are tough for patients, as many of the most accurate ones involve minor surgical procedures or invasive techniques. Swallowable medical devices have emerged as a possible solution. ...

14 hours ago
Medical Xpress / Inside tumors, immune cells hide a split personality—and one side could quietly decide cancer's fate

Macrophages, key regulators of tissue health and immune defense, are among the most abundant immune cells in solid tumors. Their role in cancer has been difficult to define because even closely related macrophage populations ...

15 hours ago
Medical Xpress / AI can use a photo of the eye to estimate retinal age, flag risk for major diseases

There may be some truth to the saying "the eyes are the window to the soul." Age-related changes are reflected in the retina, the light-sensitive tissue at the back of the eye. Recent research shows that a photo of the retina ...

17 hours ago
Medical Xpress / Unexpected cancer mutations in brain's immune cells may help fuel Alzheimer's disease

As the body ages, cells naturally accumulate dozens of genetic mutations each year. New research from Boston Children's Hospital, published in Cell, finds that the brain's resident immune cells, microglia, amass mutations ...

19 hours ago
Medical Xpress / HIV's earliest immune battle leaves blood traces that forecast powerful antibodies years later

Some people living with HIV develop antibodies capable of neutralizing many different strains of the virus. New research links this to immune responses that occur early in infection. The findings, published in PLOS Pathogens, ...

19 hours ago
Medical Xpress / Molecular keyhole sheds light on pain and epilepsy

Researchers at VIB, VUB, and KU Leuven have identified a tiny binding site, a molecular "keyhole," in the TRPM3 ion channel, a crucial sensor in pain signaling. TRPM3 is also linked to rare neurodevelopmental disorders and ...

16 hours ago
Medical Xpress / Common drug fails to ease knee osteoarthritis pain in largest trial yet

The University of Tasmania's Menzies Institute for Medical Research has found that the commonly prescribed medication, Diacerein, does not improve knee osteoarthritis symptoms, following a national study. Diacerein, a medication ...

10 hours ago
Medical Xpress / This bioengineered chewing gum wipes out cancer-linked mouth microbes while sparing healthy bacteria

Researchers led by Henry Daniell of the School of Dental Medicine have shown that extracts from bioengineered chewing gum reduce the levels of three microbes known to be associated with head and neck squamous cell cancer ...

22 hours ago
Medical Xpress / Alzheimer's drugs offer little benefit, major review finds. And the reasons go deeper than the science

How is it possible to spend tens of billions of dollars developing drugs to treat a serious disease that affects millions of people, and yet end up with something that does not work? This is a mystery that has bedeviled Alzheimer's ...

11 hours ago
Dialog / When pomegranates meet the artery wall: How gut-derived metabolites may stabilize atherosclerotic plaques

For years, pomegranates have enjoyed a reputation as a "heart-healthy" fruit. As a cardiovascular researcher, I have often been asked a seemingly simple question: If pomegranates are so good for us, how exactly do they work? ...

12 hours ago
Medical Xpress / Extra chromosomes may help tumor cells move and engulf neighbors, study suggests

Researchers at Tulane University School of Medicine have discovered that if animal cells gain an extra set of chromosomes, a condition known as polyploidy, they activate a stress signaling pathway that causes them to become ...

20 hours ago
Medical Xpress / Toxic paint still reaches shelves in Mexico, with some products containing up to 29% lead

A new study finds that lead chromate pigments are used in more than 90% of the lead paints that are being sold in Mexico. Lead Chromate is a well-known human carcinogen and a lead poisoning hazard.

11 hours ago