January 2022 in “Klinicheskaya dermatologiya i venerologiya” Trichoscopy can diagnose hair loss by looking for common signs like uneven hair thickness, "yellow dots," and more thin hairs, which are found in both men and women.
Rat hair follicle bulge cells can become nerve and glial cells, showing potential for neuroprotection.
May 2025 in “Apollo Medicine” Trichoscopy is a useful tool for diagnosing and assessing the severity of alopecia areata.
93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
September 2016 in “Journal of dermatological science” HAP stem cells can repair nerves and spinal cords by becoming Schwann cells.
January 2024 in “Lecture notes in networks and systems” "TRICHOASSIST" is a system that analyzes hair and scalp images to help diagnose scalp diseases.
February 2026 in “Dermatology Reports” Trichoscopy helps diagnose and treat dissecting cellulitis early, preventing scarring.
13 citations
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May 2005 in “Seminars in Plastic Surgery” Follicular Cell Implantation might become a new treatment for hair loss and could lead to advances in organ regeneration.
16 citations
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January 2015 in “Annals of Dermatology” The study found specific hair and scalp patterns for different types of hair loss in Koreans, noting racial differences affect diagnosis.
21 citations
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September 1968 in “Cancer” Citrulline in certain skin tumors suggests they mimic hair growth, helping distinguish them from other cancer types.
5 citations
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April 2014 in “International Journal of Pediatric Endocrinology” Prepubertal girls with hypertrichosis have more sensitive androgen receptors, leading to increased body hair growth.
1 citations
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August 2020 in “CRC Press eBooks” Hair growth can be influenced by manipulating keratin and growth factor genes.
233 citations
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October 2004 in “Differentiation” Stem cells are in deep skin layers, while differentiating cells are in shallow layers.
May 2022 in “Research Square (Research Square)” Nestin marks cells that can become a specific type of skin cell in hair follicles of both developing and adult mice.
6 citations
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December 1990 in “PubMed” Keratinocytes in hair follicles differentiate similarly to skin cells, with specific patterns in different regions.
18 citations
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September 1994 in “Clinical and Experimental Dermatology” Localized trichorrhexis nodosa is a hair condition where hair becomes fragile and breaks easily due to damage.
156 citations
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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.
January 2015 in “프로그램북(구 초록집)” Trichoscopy effectively diagnoses and assesses hair loss severity in androgenetic alopecia and alopecia areata.
November 2023 in “International Journal of Dermatology” Trichoscopy helps tell apart other hair loss conditions from common hair loss.
January 2019 in “The Egyptian Journal of Hospital Medicine” Trichoscopy helps effectively tell apart different types of patchy hair loss in Egyptian patients.
59 citations
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November 2011 in “Development” Trps1 is essential for proper hair follicle development.
37 citations
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May 1998 in “Journal of Dermatological Science” Basal cell carcinoma shows keratin patterns similar to undifferentiated hair follicle cells.
1 citations
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April 2017 in “Journal of Dermatological Science” Certain immune cells may cause hair loss by reacting to stressed hair follicles.
351 citations
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February 2010 in “Nature Cell Biology” Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.
August 2025 in “Skin Appendage Disorders” Topical minoxidil can help improve hair in trichonodosis.
7 citations
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January 1990
41 citations
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June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
9 citations
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January 2011 in “American Journal of Dermatopathology” Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
January 2012 in “heiDOK (Heidelberg University)” Dormant melanoma cells in mice interact minimally with memory T cells due to a suppressive tumor environment.
November 2013 in “Elsevier eBooks” Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.