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Stem Cell Niches and Their Significance in Aging and Longevity

illustration of an aged stem cell niche

Stem cells are fascinating cells that have the ability to self-renew and give rise to differentiated cell types. Adult stem cells reside in specialized microenvironments, or niches, that support stem cell function and regulate their behavior. Stem cell niches provide important signals that keep stem cells quiescent and undifferentiated, and mediate appropriate stem cell activation […]