Genomics

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Young blood-derived platelet factors abate inflammation and rescue recognition in aging.


ABSTRACT: We show that platelet factors transfer rejuvenating effects of young plasma to the aging brain. Proteomic analysis of plasma from young and aged mice identified age-related changes in platelets. Systemic exposure of aged animals to the platelet fraction of young plasma decreased hippocampal neuroinflammation at a transcriptional and cellular level and ameliorated cognitive impairments. We identified the platelet-derived chemokine CXCL4/Platelet Factor-4 (PF4) as a pro-youthful circulating factor. Systemic PF4 administration decreased age-related neuroinflammation, restored the aging peripheral immune system to a more youthful state, and improved hippocampal-dependent learning and memory in aged mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE173254 | GEO | 2023/06/20

REPOSITORIES: GEO

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