Medical Xpress news

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. ...

1 hour ago
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 ...

22 minutes ago
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 ...

2 hours ago
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 ...

3 hours ago
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 ...

3 hours ago
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 ...

8 hours ago
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 ...

1 hour ago
Medical Xpress / New therapeutic target identified for neuroendocrine tumors in the gastrointestinal tract

Neuroendocrine cells are unique in their ability to act both as nerve cells and hormone-making cells. They're scattered throughout the body, including the stomach, intestines, pancreas and lungs. Tumors that arise from these ...

2 hours ago
Medical Xpress / Recent Medicaid expansions sharply increased access to treatment for opioid use disorder, researchers find

Medicaid insurance expansions between 2017 and 2023 sharply increased access to medication treatment for opioid use disorder in a period when fatal overdoses continued to climb, according to Rutgers Health researchers. Their ...

1 hour ago
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 ...

3 hours ago
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 ...

6 hours ago
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 ...

6 hours ago