Stanford scientists discover a seafood that can reverse signs of aging
A substance found in edible sea squirts appeared to reverse several signs of aging in older mice. Plasmalogen supplements improved memory and learning, strengthened connections between brain cells, reduced inflammation, and even helped the mice grow thicker, darker hair. Researchers believe the compounds may encourage brain regeneration and protect aging synapses.
Scientists from Xi'an Jiaotong-Liverpool University, Stanford University, Shanghai Jiao Tong University, and the University of Chinese Academy of Sciences have discovered that sea squirts, a type of marine animal commonly consumed in parts of Asia, may reverse signs of aging in mice. The researchers added plasmalogens, compounds found in the sea squirts' diets, to the diets of aged mice and observed several impressive results.
These mice showed improved learning and memory, with faster navigation through a maze typically used to test cognitive abilities. Additionally, these aged mice developed thicker, glossier black hair, suggesting plasmalogens may also promote hair growth. The study found that plasmalogen treatment led to a higher number of synapses and better-functioning synapses, the connections between nerve cells that are crucial for learning and memory.
Furthermore, the mice had lower levels of inflammation in their brains, a factor that can contribute to neurodegenerative diseases. While the researchers do not yet know precisely how plasmalogens produce these effects, they believe the compounds may promote neuroregeneration, the repair and renewal of nerve cells and their connections.
The findings provide a new avenue for exploring how dietary supplements can help protect the aging brain from cognitive decline and other age-related changes.
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