March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
November 2023 in “Journal of Investigative Dermatology” The study identified key immune cell differences between mild and severe alopecia areata.
November 2025 in “Journal of Investigative Dermatology” 16 citations
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July 2019 in “Biochemical and Biophysical Research Communications” CD36-expressing dermal sheath cells help form blood vessels in hair follicles, aiding hair growth.
January 1995 in “Equilibrium Research” Birds can regenerate inner ear hair cells from supporting cells, and mammals show potential for similar regeneration.
61 citations
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August 1993 in “PubMed” Basal cell epithelioma likely starts from the hair follicle's outer root sheath.
1 citations
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June 2024 in “Journal of Investigative Dermatology” Macrophages are crucial for hair regrowth in contact hypersensitivity.
419 citations
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March 2005 in “Proceedings of the National Academy of Sciences” Hair-follicle stem cells can become neurons.
13 citations
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August 1985 in “The Journal of Dermatology” HKN-2 antibody targets specific skin and hair cells, showing keratin complexity.
10 citations
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May 2016 in “Journal of Dermatological Science” PDGF-BB helps young melanocytes grow but stops mature ones from growing, and it makes melanocytes more specialized.
4 citations
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February 2013 in “PubMed” A3 antibody helps identify key cells in rat hair follicle development.
CD4 T cells need IFN-γ to cause hair loss in alopecia areata.
1 citations
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January 2023 in “In vivo/In Vivo” Box A of HMGB1 can improve stem cell function, aiding anti-aging therapy.
225 citations
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April 2018 in “Journal of Investigative Dermatology” Two main types of fibroblasts with unique functions and additional subtypes were identified in human skin.
2 citations
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May 2022 in “The journal of immunology/The Journal of immunology” BST2 protein and certain T cells increase in early alopecia areata.
January 2009 in “Hubei nongye kexue” Stem cells in cashmere goats are found in hair follicles and have a slow growth rate.
12 citations
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August 2022 in “Stem cell reviews and reports” Increasing PBX1 reduces aging and cell death in hair follicle stem cells by boosting SIRT1 and lowering PARP1 activity.
1 citations
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January 2024 in “Advances in Engineering Technology Research” Bone marrow stem cells from Guizhou miniature pigs can grow well and become different cell types, useful for tissue engineering.
21 citations
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June 2004 in “Experimental Dermatology” Ber‐EP4 marks cells related to the secondary hair germ in hair follicles.
January 2024 in “Wiadomości Lekarskie” Ancient immune and signaling pathways still regulate blood cell development.
301 citations
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February 2019 in “Nature Communications” The research found that different types of fibroblasts are involved in wound healing and that some blood cells can turn into fat cells during this process.
November 2024 in “Journal of Investigative Dermatology” Scalp hair follicle cells help protect and heal skin in certain skin conditions.
38 citations
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September 2004 in “Journal of Autoimmunity” Alopecia areata patients have more activated T cells in their blood, which may help in developing treatments.
January 1989 in “Journal of The American Academy of Dermatology” Psoriasis patients have immune cells that respond more strongly to signals and stimuli due to an intrinsic cellular defect.
86 citations
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February 2012 in “Journal of Clinical Investigation” Stem cells in hair follicles are diverse and change throughout the hair cycle.
November 2023 in “Journal of Investigative Dermatology” Highly active but fewer CD14+CD16- monocytes are found in Alopecia Areata patients, regardless of severity.
6 citations
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June 1976 in “Journal of ultrastructure research” Keratinized wool cells still have some organelles like lysosomes and mitochondria.
7 citations
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May 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” White hair follicles in vitiligo have fewer and less functional melanocytes.
September 2016 in “Journal of dermatological science” HAP stem cells can repair nerves and spinal cords by becoming Schwann cells.
8 citations
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March 2009 in “Differentiation” Adult vibrissa follicle stem cells can regenerate hair follicles, glands, and skin.