Medical Xpress news
Medical Xpress / New study finds eye focuses using color signals, not just sharpness
The human eye functions like an exceptionally precise, high-end camera, one with a resolution of around 576 megapixels. What makes it intriguing is that although our eyes can focus on light at only one wavelength at a time, ...
Medical Xpress / A single enzyme keeps neuroblastoma alive—how to shut it off
The tumor begins before birth. Somewhere in the developing fetus, neural crest cells that should have matured into adrenal tissue or sympathetic ganglia take a wrong turn, and a child is born harboring a malignancy that may ...
Medical Xpress / GLP-1 agonist drugs show digestive side effects but may help fight infections
Originally developed to treat diabetes, a class of drugs known as glucagon-like peptide-1 receptor agonists (GLP-1 RAs) are now stepping into the spotlight as weight loss drugs. A recent umbrella review draws attention to ...
Medical Xpress / Detecting multiple cancers and other diseases from a single blood sample
UCLA scientists have developed a simple and cost-effective blood test that, in early studies, shows promise in detecting multiple cancers, various liver conditions and organ abnormalities simultaneously by analyzing DNA fragments ...
Medical Xpress / First-in-class molecules dial down inflammation without compromising immunity
Scripps Research scientists have developed a new class of drug compounds that reduce harmful inflammation while leaving the body's ability to fight infections intact—a long-sought goal in treating autoimmune diseases. The ...
Medical Xpress / How does mitochondrial DNA influence human health?
Some of your most important life partners are the mitochondria that power all your cells. You and these little cellular powerhouses are in a 1.5-billion-year-old evolutionary relationship—but mitochondria brought some baggage. ...
Medical Xpress / New mouse model of virus-driven liver cancer may boost diagnosis and treatments
Liver cancer is one of the world's deadliest cancers, and most cases are linked to chronic viral hepatitis. Yet scientists have lacked an animal model that faithfully recapitulates how the disease unfolds in people, from ...
Medical Xpress / This is your brain on psychedelics: Neuroimaging study sheds light on cortical network effects
Psychedelic drugs are being investigated as scientific and clinical tools, but the brain mechanisms behind their effects remain unclear. Earlier brain imaging studies in small cohorts from single centers produced inconsistent ...
Medical Xpress / Study finds hunger hit mental health harder than job loss amid COVID-19 pandemic
Not having enough food may have had a greater negative effect on mental health in the United States than unemployment or loss of income during the COVID-19 pandemic, according to a study led by Penn State researchers. The ...
Medical Xpress / Transcription factors form continuous 'circuit' that regulates T-cell exhaustion
Scientists have discovered how two transcription factors form a reciprocal regulatory circuit that controls T-cell exhaustion and migration during viral infection, which may inform future therapeutic strategies for managing ...
Medical Xpress / High‑fat diets linked to rapid decline in protective gut immune cells
In a preclinical study from Mass General Brigham, researchers have found that even short-term exposure to high levels of dietary fat results in a quick and selective loss of critical gut immune cells called ILC3s, promoting ...
Medical Xpress / Novel treatment protocol targets the deadliest cases of C. difficile infection
A new study from the University of Minnesota Medical School has demonstrated that fecal microbiota transplantation (FMT) can rapidly reverse systemic inflammation and improve survival in patients with fulminant Clostridioides ...
