Medical Xpress news

Medical Xpress / 'Zap-and-freeze' technique successfully used to watch human brain cell communication

Researchers at Johns Hopkins Medicine say they have used a "zap-and-freeze" technology to watch hard-to-see brain cell communications in living brain tissue from mice and humans.

Nov 24, 2025 in Neuroscience
Medical Xpress / Researchers highlight genetic factors in pediatric brain and spinal cord tumors

Researchers at Children's Hospital of Philadelphia (CHOP) and Children's National Hospital in Washington D.C. are uncovering how rare inherited genetic variants contribute to the development of brain and spinal cord tumors ...

Nov 24, 2025 in Oncology & Cancer
Medical Xpress / Scientists reverse aging in blood stem cells by targeting lysosomal dysfunction

Researchers at the Icahn School of Medicine at Mount Sinai have discovered how to reverse aging in blood-forming stem cells in mice by correcting defects in the stem cell's lysosomes. The breakthrough, published in Cell Stem ...

Nov 24, 2025 in Immunology
Medical Xpress / Polyamines promote regeneration in aged intestines, study finds

The intestine is among the most regenerative tissues in the body; however, aging triggers various changes that collectively diminish its regenerative capacity.

Nov 24, 2025 in Gerontology & Geriatrics
Medical Xpress / Reduction of amyloid-β using red OLED restores memory in Alzheimer's model

A Korean research team has identified the most effective OLED color capable of enhancing cognitive function in Alzheimer's patients. The OLED platform developed for this study can precisely control color, brightness, flicker ...

Medical Xpress / Researchers reveal progressive, regional brain changes in Parkinson's disease

New research has revealed that Parkinson's disease causes significant and progressive changes to blood vessels in the brain, changing our understanding of the disease which may lead to new treatment methods.

Nov 24, 2025 in Neuroscience
Medical Xpress / Synthetic stress hormone dexamethasone could reduce certain breast cancer metastases

The drug dexamethasone supplements cancer treatments to alleviate side effects of chemotherapy such as nausea or inflammation. Researchers at the University of Basel, Switzerland, have now discovered that it also fights metastases ...

Nov 24, 2025 in Medications
Medical Xpress / Key immune differences in triple-negative breast cancer uncovered

Researchers at the LSU LCMC Health Cancer Center have published findings in npj Breast Cancer that shed new light on triple-negative breast cancer (TNBC), one of the most aggressive forms of breast cancer.

Nov 24, 2025 in Oncology & Cancer
Medical Xpress / Patients who discontinue GLP-1s found to have more weight gain, complications during pregnancy

In a study led by researchers at Mass General Brigham, pregnant individuals who stopped taking popular weight loss GLP-1 medications before or early in their pregnancy tended to gain more weight and have higher risks of diabetes ...

Nov 24, 2025 in Obstetrics & gynaecology
Medical Xpress / 'Footsteps illusion' experiment reveals how social circle may influence body image perception

A study led by Universidad Carlos III de Madrid (UC3M) has determined that the size and composition of our social support networks directly influence how we perceive our body image. The findings could help us in treating ...

Nov 24, 2025 in Psychology & Psychiatry
Medical Xpress / Cellular targets to overcome KRAS inhibitor resistance in pancreatic tumors identified

A study led by University of Cincinnati Cancer Center researchers sheds new light on how pancreatic cancer cells resist treatment and points to potential new combination therapies to make treatments more effective.

Nov 24, 2025 in Oncology & Cancer
Medical Xpress / Genetic mechanisms promote antimicrobial resistance in gonorrhea

Northwestern Medicine scientists have identified previously unknown genetic mechanisms that promote antimicrobial resistance in gonorrhea, findings that may inform the development of more effective treatment strategies, according ...

Nov 24, 2025 in Genetics