Medical Xpress news

Medical Xpress / Evolutionary model for antibiotic resistance reveals dose timing critical to care

Cleveland Clinic researchers are working to improve the way we use evolutionary modeling to understand drug resistance. The study, published in Science Advances, uses a new type of evolutionary model called a "fitness seascape" ...

5 hours ago in Medications
Medical Xpress / Blocking CD200R1 protein offers new strategy for treatment-resistant blood cancers

Immunotherapy has revolutionized cancer treatment by mobilizing the immune system to attack tumor cells. Major advances, such as immune checkpoint inhibitors (notably against the PD-1 protein), have produced impressive results ...

5 hours ago in Oncology & Cancer
Medical Xpress / Different genetic roots of autism may lead to shared brain activity and behaviors

New research from the University of Minnesota Medical School suggests that different genetic forms of autism may lead to similar patterns in brain activity and behavior. The findings were recently published in Nature Neuroscience.

5 hours ago in Neuroscience
Medical Xpress / Children with acute allergic reactions often spend unnecessary time in hospitals

Be it peanuts or other triggers, many families live with the day-to-day risk that their child might experience a sudden and scary allergic reaction. Pediatric emergency department visits in the United States to treat acute ...

5 hours ago in Inflammatory disorders
Medical Xpress / Brain cortex structure linked to mental abilities and psychiatric disorders

The cerebral cortex, the outermost layer of the brain, is the central driver of various human capabilities, including decision-making, perception, language and memory. Understanding how the morphology (i.e., structure and ...

12 hours ago in Psychology & Psychiatry
Medical Xpress / A single enzymatic switch steers cell fate in intestinal regeneration

Memorial Sloan Kettering Cancer Center researchers have identified a metabolic switch that determines whether intestinal stem cells become absorptive or secretory cells. Manipulating the enzyme OGDH either fuels cell expansion ...

10 hours ago in Gastroenterology
Medical Xpress / Heart disease and diabetes drive surge in deaths among Americans without college degrees

About 525,000 more deaths occurred among US adults in 2023 than would be expected had pre-2010 mortality trends continued. More than 90% of these deaths occurred among individuals without a bachelor's degree and were largely ...

7 hours ago in Cardiology
Medical Xpress / Autonomic nervous system is key driver of global fMRI signal, study finds

The activity of the human brain is known to be closely connected to other physiological signals, such as heart rate and breathing. A study by researchers at the University of California Los Angeles (UCLA) and other institutes ...

12 hours ago in Neuroscience
Medical Xpress / Muscle 'control center' discovery could help elderly with better muscle healing

When a house is hit by a hurricane, you must first remove the damaged parts before reconstruction can begin. The same applies to our muscles after injuries—and now researchers from Aarhus University and Steno Diabetes Center ...

7 hours ago in Immunology
Medical Xpress / Scientists detect light passing through entire human head, opening new doors for brain imaging

For decades, scientists have used near-infrared light to study the brain in a noninvasive way. This optical technique, known as fNIRS (functional near-infrared spectroscopy), measures how light is absorbed by blood in the ...

9 hours ago in Neuroscience
Medical Xpress / Excessive use of disinfectants in intensive care patients may raise risk of antibiotic-resistant infections

An international study has, for the first time, revealed a strong and direct link between the rise of antibiotic-resistant bacteria and universal disinfection procedures applied to patients in intensive care units. Published ...

Medical Xpress / AI tool analyzes blood DNA fragments for faster, affordable cancer monitoring

Scientists from the A*STAR Genome Institute of Singapore (A*STAR GIS) have developed a new artificial intelligence (AI)-based method called "Fragle" that makes tracking cancer easier and faster using blood tests.

8 hours ago in Oncology & Cancer