Young bones, young blood, young brain

Written by Tristan Free

Transplanting bone marrow from young to old mice has been shown to maintain memory in the older mice by producing young blood cells, suggesting a new path for cognitive impairment treatment. Transplanting bone marrow from young mice into their older compatriots has been shown to help the older mice maintain memory and learning functions longer than those given no transplant. The study, conducted at Cedars Sinai (CA, USA) and led by Helen Goodridge, adds to a growing understanding that aging blood cells contribute to neurodegeneration and highlights a possible new pathway for research into cognitive impairment treatment. Existing studies have...

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