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Two Proteins Safeguard Skin Stem Cell Function

Ever scraped your knees or elbows? It’s a good thing that they didn’t stay that way, since human skin readily renews, heals wounds, and regenerates the hair that covers it thanks to a resident population of stem cells. These cells continually produce new ones. Depending on someone’s age, the complete skin is renewed every 10-30 days. A new study led by Salvador Aznar Benitah (Institute for…