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May 2007 in “The FASEB journal” Human hair follicles produce and respond to erythropoietin, helping protect against stress.
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September 2011 in “Cell” Fat-related cells are important for initiating hair growth.
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August 2015 in “Journal of Investigative Dermatology” Prominin-1 expressing cells in the dermal papilla help regulate hair follicle size and communication but don't aid in skin repair.
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October 1999 in “Development” Activated LEF/TCF complexes are crucial for hair development and cycling.
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January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” Human stem cells can help form hair follicles in mice.
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March 1999 in “Journal of Cutaneous Pathology” Trichoepitheliomas and some basal cell carcinomas likely come from hair follicle stem cells.
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January 1989 in “Genes & Development” Keratin expression reflects cell organization and differentiation, not causes it.
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April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Neoplasms hide in hair follicles to avoid the immune system.
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August 2004 in “Physiological Genomics” Dermal papilla cells help skin stem cells grow into hair.
January 2006 in “Durham e-Theses (Durham University)” Id proteins, especially Id2 and Id3, are crucial for hair follicle development and stem cell regulation.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.
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July 2011 in “Microscopy and Microanalysis” The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.
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June 2025 in “Stem Cell Reviews and Reports” September 2019 in “Journal of Investigative Dermatology” EGFR and MEK inhibitors reduce PD-L1 in hair follicles, possibly causing inflammation.