Receptor Blocker Reverses Aging in Mice | Science News

Scientists have uncovered a surprising link between aging and immune system dysfunction, pinpointing tissue-resident macrophages as key players. As we age, these immune cells lose their ability to clear out damaged neutrophils due to overstimulation by an inflammatory hormone, leading to chronic inflammation and accelerated aging across organs like the brain, heart, and muscles. But here’s the breakthrough: blocking a specific receptor on these macrophages restored their cleanup function in mice, reversing signs of aging—making them leaner, stronger, and smarter. The same pattern was seen in human liver cells, hinting at a universal mechanism. This discovery paves the way for targeted therapies that could rejuvenate the immune system and slow age-related decline, potentially letting us stay healthier for longer. Listen in comfort:Get a discount on a Soli Pillow: http://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/7aa72aa0fcceb2e7