March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
33 citations
,
March 2015 in “Experimental Dermatology” LHX2 and SOX9 identify unique hair follicle cell groups, crucial for hair maintenance.
9 citations
,
September 2013 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” Matriptase is highly active in hair follicles and sebaceous glands, especially during hair growth phases.
140 citations
,
December 1998 in “Journal of Investigative Dermatology” Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.
6 citations
,
July 2022 in “World journal of stem cells” Using extracellular vesicles from stem cells can help hair grow by affecting scalp cells and hair follicles.
1 citations
,
January 2021 in “Processes” Researchers successfully grew horse skin cells that produce pigment from hair follicle samples.
87 citations
,
February 2000 in “Journal of Investigative Dermatology” Stem cells in developing hair follicles move to specific areas as they mature.
45 citations
,
April 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Different Myc family proteins are located in various parts of the hair follicle and may affect stem cell behavior.
12 citations
,
May 2013 in “International Journal of Molecular Sciences” Stem cells from elderly skin can become neurons, offering potential for brain therapy.
26 citations
,
December 2022 in “Journal of the American Academy of Dermatology” Monkeypox skin lesions show full-thickness skin death and swollen skin cells, with the virus found in affected cells.
March 2023 in “Biomedicine & Pharmacotherapy” GPR40 agonists help hair growth through the protein ANGPTL4.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
2 citations
,
February 2025 in “Free Radical Biology and Medicine” Blocking S100A8 can reduce chemotherapy-induced hair loss.
Shikimic acid can promote hair growth and may help treat hair loss.
November 2025 in “Biomedicines” Targeting pyroptosis may offer new treatments for alopecia areata, but more research is needed.
43 citations
,
December 2006 in “The American journal of pathology” Edar signaling is crucial for controlling hair growth and regression.
5 citations
,
October 2022 in “Cosmetics” Cell-based models help test if cosmetic ingredients really work for hair growth and skin health.
April 2017 in “Journal of dermatological science” Removing PLCg1 from skin cells caused thicker oil glands and less hair in mice.
35 citations
,
December 2014 in “Lasers in surgery and medicine” Red light promotes hair growth by directly stimulating hair cells and improving cell communication.
June 2024 in “The Journal of Nutritional Biochemistry” 1,25-(OH)2D3 helps hair grow by blocking certain harmful signals.
29 citations
,
February 2001 in “Proceedings of the National Academy of Sciences” A specific DNA region controls skin cell gene expression by working with certain proteins.
51 citations
,
May 1984 in “Journal of the American Academy of Dermatology” Benign follicular mucinosis involves immune cells attacking hair follicles.
4 citations
,
January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
1 citations
,
January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
30 citations
,
February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
4 citations
,
November 2018 in “Journal of comparative pathology” The three adipokines—leptin, adiponectin, and resistin—are present in various cells of normal dog skin.
13 citations
,
April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
28 citations
,
March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.
14 citations
,
October 2020 in “Scientific reports” Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
October 2024 in “SPIRE - Sciences Po Institutional REpository” Glypicans help hair follicle stem cells differentiate by interacting with specific receptors, influencing hair growth.