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Medical Xpress / COVID's lingering shadow faded after omicron—but not for everyone
Six years after the world first learned of COVID-19, the pandemic has faded into an unpleasant memory for many. For others, however, it never fully ended. A long-term study by Hiroshima University has found that while lingering ...
Medical Xpress / BCG vaccine may rewire brain immunity, shift Alzheimer's markers over 12 months
New research led by Mass General Brigham investigators suggests that the Bacillus Calmette-Guérin (BCG) vaccine—which is delivered through the skin to prevent tuberculosis—may remodel the human brain's immune environment, ...
Phys.org / New biosensor reveals rare lipid gathers in membrane hotspots during cell stress
Inside every cell are lipid molecules that make up cellular membranes, helping organelles communicate and respond to stress. Researchers have struggled to observe lipids in action because current detection tools lack sufficient ...
Medical Xpress / Two studies point to beta cells as active players in type 1 diabetes
Type 1 diabetes is widely understood as an autoimmune disease, with the immune system attacking the insulin-producing beta cells of the pancreas. But two new studies suggest those cells may be more than passive victims. Together, ...
Phys.org / Primate evolution kept aging rates stable for 25 million years despite lifespan gaps
Biologists group animals with similar traits into broad categories called orders. Despite their similarities, animal species in the same order can have very different average lifespans.
Medical Xpress / Dementia-causing substance turns into a therapeutic 'switch' with new Alzheimer's drug strategy
A substance that worsens dementia has become a "switch" that initiates treatment. KAIST researchers have developed a new therapeutic approach that uses hydrogen peroxide (H₂O₂), a reactive oxygen species that damages cells ...
Medical Xpress / What is mild cognitive impairment? And does it always lead to dementia?
You've forgotten a few appointments lately, and you find yourself losing track of conversations. Close friends or family may have also noticed some changes in your memory or thinking.
Phys.org / Microtubules in ovarian cell bridges may be key to fertility
Female fertility depends on the successful growth and maturation of eggs (oocytes) within ovarian follicles. Within these follicles, the oocyte is surrounded by granulosa cells that supply nutrients, signaling molecules and ...
Phys.org / The bond between humans and dogs remains remarkably consistent across societies, cross-cultural study reveals
A new study by an international research team led by Friedrich Schiller University Jena and the Max Planck Institute for Evolutionary Anthropology (Leipzig) has revealed striking similarities in the way humans and dogs interact ...
Phys.org / Light flips bacterial signaling enzyme between two shapes, unlocking how signals travel
Researchers at the University of Bayreuth and Forschungszentrum Jülich have demonstrated that specific light-sensitive enzymes—so-called sensor histidine kinases (SHKs)—transmit their signal through a light-controlled change ...
Phys.org / Climate change will raise the risk of severe heat waves: New Zealand homes aren't ready
Europe's summer heat wave has exposed tens of millions of people to temperatures above 35°C, broken records and claimed hundreds of lives. Early climate attribution studies suggest Europe's event would have been "virtually ...
Medical Xpress / Dynamic protein behavior drives blood-brain barrier specialization, study reveals
A study led by researchers at the Institute for Bioengineering of Catalonia (IBEC), in collaboration with the Proteomics Platform of the Institute for Research in Biomedicine (IRB Barcelona), has uncovered a key mechanism ...
