Stem Cell Brain Implants Could ‘Slow Aging and Extend Life,’ Study Shows

An anonymous reader quotes a report from The Guardian: Scientists have slowed down the aging process by implanting stem cells into the brains of animals, raising hopes for new strategies to combat age-related diseases and extend the human lifespan. Implants of stem cells that make fresh neurons in the brain were found to put the brakes on aging in older mice, keeping them more physically and mentally fit for months, and extending their lives by 10-15% compared to untreated animals. The work, described as a tour de force and a breakthrough by one leading expert, suggests that aging across the body is controlled by stem cells that are found in the hypothalamus region of the brain in youth, but which steadily die off until they are almost completely absent in middle age. Researchers at Albert Einstein College of Medicine in New York hope to launch clinical trials of the procedure soon, but must first produce supplies of human neural stem cells in the lab which can be implanted into volunteers. The study has been published in the journal Nature.


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