Medical Xpress news

Medical Xpress / Sucralose artificial sweetener could make cancer treatment less effective

Sucralose is a popular sugar substitute for people who are cutting calories or managing blood sugar levels, but new research by the University of Pittsburgh and UPMC Hillman Cancer Center suggests that the artificial sweetener ...

Jul 31, 2025 in Oncology & Cancer
Medical Xpress / Study involving turquoise killifish pinpoints key mechanism of brain aging

Aging and neurodegeneration are both known to disrupt the production of functional proteins in cells—a process called "proteostasis," or protein homeostasis. Brain cells in particular fall prey to proteostasis disruptions, ...

Jul 31, 2025 in Medical research
Medical Xpress / Big data begins to crack the cold case of endometriosis

Scientists at UCSF have found that endometriosis—a painful chronic disease affecting 10% of women that often goes undiagnosed—often occurs alongside conditions like cancer, Crohn's disease, and migraine.

Medical Xpress / Function behind mysterious variants for gene linked to colon cancer identified

Genes get passed down from parents, determining traits such as eye color and height as well as risk for certain diseases.

Jul 31, 2025 in Oncology & Cancer
Medical Xpress / Distinguishing 'things' from 'stuff': Brain's visual processing areas separate solid objects from flowing substances

Imagine a ball bouncing down a flight of stairs. Now think about a cascade of water flowing down those same stairs. The ball and the water behave very differently, and it turns out that your brain has different regions for ...

Jul 31, 2025 in Neuroscience
Medical Xpress / Mouse study uncovers mast cells' role as gatekeepers against pathogens

The itching, redness and swelling of an allergic reaction are caused by mast cells—the vigilant first responders of the immune system that spring into action with histamine-filled granules in response to a perceived threat.

Jul 31, 2025 in Neuroscience
Medical Xpress / Synthetic torpor offers potential to redefine medicine, say researchers

Nature is often the best model for science. For nearly a century, scientists have been trying to recreate the ability of some mammals and birds to survive extreme environmental conditions for brief or extended periods by ...

Jul 31, 2025 in Medical research
Medical Xpress / AI-generated ads match official campaigns in youth vaping awareness study

Generative artificial intelligence could take years off the time between identifying public health risks and launching impactful mass media campaigns.

Jul 31, 2025 in Health
Medical Xpress / Newly discovered gut bacteria proteins influence hormones, metabolism and bone density

The intestines are home to trillions of microorganisms that produce substances capable of regulating all the body's organs via the bloodstream and the gut's nervous system. Yet, only little is known about the effects of most ...

Jul 31, 2025 in Gastroenterology
Medical Xpress / Blood test analyzes immune protein changes to detect early-stage tumors and guide treatment

Current methods for cancer diagnosis are based on identifying biomarkers—molecules that reveal a particular state or process in the body—produced by the tumor or associated proteins. Not surprisingly, these markers are ...

Jul 31, 2025 in Oncology & Cancer
Medical Xpress / Ovarian tumor immune landscapes offer clues to better therapy

The immune system is a major determinant of how patients respond to standard treatments for ovarian cancer, the leading cause of death from gynecological malignancies. But little was known about how the immune landscape of ...

Jul 31, 2025 in Oncology & Cancer
Medical Xpress / Combining MYC inhibitors with metabolic drugs may boost cancer treatment efficacy

Northwestern Medicine investigators have discovered a new combination approach that may improve the efficacy of MYC inhibitor drugs for treating aggressive and treatment-resistant cancers, according to a recent Northwestern ...

Jul 31, 2025 in Oncology & Cancer