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June 2017 in “Nature Reviews Immunology” Immune cells called Treg cells are essential for hair growth and regeneration.
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April 2000 in “Experimental dermatology” ODC transgenic mice can model human hair loss with skin lesions.
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January 2008 in “Cell” NFATc1 controls hair stem cell activity, affecting hair growth and could be a target for hair loss treatments.
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March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
March 2026 in “Journal of Bioscience and Bioengineering” Oxytocin from hair cells helps hair growth and stem cell increase.
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January 2019 in “PeerJ” A protein called sFRP4 can slow down hair regrowth.
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February 1994 in “Proceedings of the National Academy of Sciences” Too much parathyroid hormone-related protein in skin disrupts hair growth in mice.
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December 2014 in “PLoS Biology” Macrophages help activate hair follicle stem cells, affecting hair growth and skin repair.
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October 2020 in “Research Square (Research Square)” Abnormal Wnt signaling in hair follicle stem cells can lead to acne-like cysts.
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April 1995 in “PubMed” Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.
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August 2009 in “Journal of Investigative Dermatology” Overexpressing the epigen gene in mice leads to enlarged sebaceous glands and greasy fur.
January 2024 in “Animals” SP1 promotes and KROX20 inhibits hair cell growth by affecting the CUX1 gene.
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July 1983 in “Acta Dermato Venereologica” A method was developed to grow millions of hair cells from a single hair for research and storage.
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June 1979 in “The Journal of Dermatology” Glycosaminoglycan levels peak early in hair growth and decrease as the cycle progresses.