Blood-borne immune cells supplant brain microglia as we age
TL;DR Summary
A lineage-tracing study shows that aging human brains replace resident microglia with circulating immune cells, revealing a surprising brain–body immune link; somatic mutations are used to map the microglial lineage across life.
Topics:science#aging#brain-immune-interaction#microglia#neuroimmunology#note-5-tags-requested-only-use-first-five#science#somatic-mutations
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