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January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
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March 2005 in “Proceedings of the National Academy of Sciences” Hair-follicle stem cells can become neurons.
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August 2024 in “Current Issues in Molecular Biology” Keratins 6, 16, and 17 increase in damaged or diseased skin and may help diagnose skin issues.
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June 2025 in “Theranostics” Rapamycin-primed exosomes can significantly boost hair regrowth.
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October 2012 in “Seminars in Cell & Developmental Biology” Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.
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June 2005 in “The FASEB Journal” Human hair follicles can produce cortisol like the body's stress response system.