A single molecule may play a central role in rejuvenating aging brains, albeit in different ways, new research suggests.
Studies of three different techniques for combating the cognitive decline that accompanies aging found that they all increase levels of a protein called platelet factor four, or PF4, in mice. This in turn improved the animals’ cognitive performance and improved biological signs of brain health, three research groups report August 16 in Nature Aging, Nature and Nature Communications.
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