Medical Xpress news

Medical Xpress / Why some tiny tumors vanish and others grow: Discovery could help treat cancer at very earliest stages

Cambridge scientists have shown that when tumors first emerge, interactions with healthy cells in the underlying supportive tissue determine their ability to survive, grow, and progress to advanced stages of disease.

18 hours ago in
Medical Xpress / AI-based liquid biopsy may detect liver fibrosis, cirrhosis and chronic disease signals

Researchers at the Johns Hopkins Kimmel Cancer Center report that an artificial intelligence (AI)-based liquid biopsy test using genome-wide cell-free DNA (cfDNA) fragmentation patterns and repeat landscapes can detect early ...

10 hours ago in
Medical Xpress / Automated CT scan analysis could fast-track clinical assessments

A research team has developed a versatile machine learning model that could one day greatly expand what medical scans can tell us about disease. Scientists used their tool, named Merlin, to assess 3D abdominal computed tomography ...

18 hours ago in
Medical Xpress / Ongoing problems with kids' heart transplant waitlists found in two studies

More babies and children survive the wait for a heart transplant than in the past, but improvements are due to better medical care, not changes to waitlist rules, a new study finds. The method used across the United States ...

10 hours ago in
Medical Xpress / Researchers link Parkinson's-related protein to faster Alzheimer's progression in women

Alzheimer's-related brain changes progressed up to 20 times faster in women who also had abnormal levels of a Parkinson's-related protein, according to a Mayo Clinic study published in JAMA Network Open. The same pattern ...

18 hours ago in
Medical Xpress / Stem cells from human baby teeth show promise for treating cerebral palsy

A Japanese research team has demonstrated in rat experiments that stem cells from human primary tooth pulp may help treat chronic-phase cerebral palsy. "This is the first animal study to show that stem cell treatment works ...

19 hours ago in
Medical Xpress / International trauma analysis finds big transfusion differences, with whole blood common in low-resource hospitals

A new international study published in eClinicalMedicine has mapped global blood transfusion practices for life-threatening abdominal injuries, highlighting significant variation in care worldwide and opportunities for health ...

10 hours ago in
Medical Xpress / When a helpful brain signal gets stuck: An autism-linked chain reaction

Think of the brain as a city with traffic lights that keep signals flowing smoothly. In a new study, researchers followed a clue about nitric oxide, a common chemical messenger, and found that, in some forms of autism, if ...

11 hours ago in
Medical Xpress / Chemists shed light on how age-related cataracts may begin

Cataracts are a leading cause of blindness worldwide and are considered a priority disease by the World Health Organization. In a new study, researchers at the University of California, Irvine uncovered how a subtle chemical ...

11 hours ago in
Medical Xpress / Why zebrafish larvae prefer to circle left or right may explain how human brains encode right‑ and left‑handedness

Being right- or left-handed is a familiar fact about yourself that you likely don't think about much on a day-to-day basis. However, your handedness affects how you interact with the world.

11 hours ago in
Medical Xpress / The 'itch-to-brain' circuit, neural change and depression

People who suffer from chronic itching in the form of atopic dermatitis (AD) are seven times more likely to develop a major depressive disorder. This link is well established, but the "why" remains elusive. Are the depressive ...

11 hours ago in
Medical Xpress / Location, location, location: For potassium channels, it depends on functionality

Potassium KCNQ2/3 channels are crucial for suppressing the excitability of brain cells, or neurons. When these channels don't work properly, they can cause specific types of epilepsy like benign familial neonatal convulsions ...

12 hours ago in