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ON THE COVER
Whole mount of mouse tail epidermis stained for integrin α3β1 (red). Linage tracing of hair bulge stem cells with induced deletion of integrin α3β1 (GFP-positive cells) demonstrates that these cells stay confined within their niche and contribute to the formation of hair follicles 4 weeks after the deletion was induced.
Image © Ramovs et al. 2020.