Medical Xpress news

Medical Xpress / Sleep disruption damages gut's self-repair ability via stress signals from brain: A biological chain reaction

Chronic sleep disruption doesn't just leave people tired and irritable. It may quietly undermine the gut's ability to repair itself, increasing vulnerability to serious digestive diseases. A new study from the University ...

20 hours ago in Sleep disorders
Medical Xpress / Preclinical study successfully reverses loss of blood flow to brain, an early sign of Alzheimer's disease

Supriya Chakraborty might have been studying insects in a lab had it not been for an immunology college instructor in India who taught him about the superheroes inside him—immune cells that wage a battle against bacteria, ...

21 hours ago in Neuroscience
Medical Xpress / AI model reads brain MRIs in seconds, hitting up to 97.5% accuracy

An AI-powered model developed at the University of Michigan can read a brain MRI and diagnose a person in seconds, a study suggests. The model detected neurological conditions with up to 97.5% accuracy and predicted how urgently ...

21 hours ago in Radiology & Imaging
Medical Xpress / 'Sticky coat' boosts triple negative breast cancer's ability to metastasize

Researchers at Baylor College of Medicine have uncovered a strategy that triple negative breast cancer (TNBC) cells use to boost their ability to metastasize, or spread to other organs. Metastasis is the leading cause of ...

20 hours ago in Oncology & Cancer
Medical Xpress / RNA therapeutics shrink metastasized lung tumors in mouse study

A new study in mice hints at the potential to use tiny particles made with RNA molecules to deliver chemotherapy drugs and other therapies directly to tumors, killing cancer cells without generating an immune response or ...

22 hours ago in Oncology & Cancer
Medical Xpress / Study finds 90 minutes weekly activity after ablation linked to fewer atrial fibrillation relapses

New research from CU Anschutz scientists suggests that staying physically active after heart rhythm treatment may significantly reduce the risk of atrial fibrillation (AF) returning, offering patients a simple, low-cost way ...

16 hours ago in Cardiology
Medical Xpress / New tool spots early signs of infection after breast cancer reconstruction

In the U.S., one in eight women will get breast cancer in their lifetime, and about half of them will have mastectomies. Many of those women opt to have their breasts surgically reconstructed, most commonly with implants, ...

19 hours ago in Surgery
Medical Xpress / Americans prefer to screen for cervical cancer in-clinic vs. at home, finds study

American women now have the option of screening for cervical cancer at home, using newly approved self-collection tools. While experts hope this will increase uptake in the under-screened population, a first-of-its kind study ...

18 hours ago in Oncology & Cancer
Medical Xpress / Can chemo-resistant cancer cells be resensitized?

Overcoming tumor resistance to chemotherapy drugs has long been a challenge for oncology clinicians and researchers. Now, a new study suggests that blocking a key protein, p300, may force damaged cancer cells into a state ...

18 hours ago in Oncology & Cancer
Medical Xpress / Brain network identified for effective treatment of Parkinson's disease

Deep brain stimulation (DBS) improves motor symptoms of Parkinson's disease by modulating a specific brain network that is mainly active in the fast beta frequency range (20 to 35 Hz). This conclusion was reached by an interdisciplinary ...

19 hours ago in Neuroscience
Medical Xpress / CRISPR approach turns oncogene amplification into a weakness in multiple solid tumors

The onset and aggressiveness of cancer are related to the abnormal behavior of certain genes, known as oncogenes. The best-known of these alterations is mutation, but it is not the only one. Sometimes, within a cell, a very ...

18 hours ago in Oncology & Cancer
Medical Xpress / Dual-action molecule design concentrates cancer treatment in tumor cells to allow higher doses

Wistar scientists have combined a promising cancer therapy with a molecule that targets tumors to treat cancer more effectively. The new approach could be a way to deliver treatment directly to tumors at higher doses, while ...

18 hours ago in Oncology & Cancer