December 2024 in “Biomedicines” Rat hair follicle stem cells may help heal skin wounds.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” Immune cells and plasma proteins are linked to hair loss, suggesting new treatment options.
April 2016 in “Journal of Investigative Dermatology” Double-stranded RNA activates a pathway that causes a skin protein to be expressed in the wrong place.
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Researchers found key regions in the mouse hairless gene that control its activity in skin and brain cells, affecting hair follicle function.
55 citations
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February 1975 in “Journal of Cutaneous Pathology” Dermal cell activity increases during hair growth in rats.
80 citations
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September 2007 in “Cell Cycle” Stem cells in hair follicles can become various cell types, including neurons.
January 2008 in “Yearbook of Dermatology and Dermatologic Surgery” One type of progenitor cell can maintain normal skin in mice.
November 2025 in “The Journal of Immunology” Hair follicle stem cells help heal wounds by turning certain immune cells into ones that reduce inflammation.
75 citations
,
October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
6 citations
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April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
New methods efficiently isolate dermal papilla cells from hair follicles, preserving their characteristics better than traditional methods.
3 citations
,
January 2020
2 citations
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January 2020 in “Methods in molecular biology” Scientists created early-stage hair follicles from human skin cells, which could help treat baldness and study hair growth.
3 citations
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April 2022 in “International Journal of Molecular Sciences” Scientists turned mouse skin cells into hair-inducing cells using chemicals, which could help treat hair loss.
November 2024 in “Journal of Investigative Dermatology” γδT cells can protect hair follicles from alopecia areata and promote hair regrowth.
60 citations
,
March 2011 in “Proceedings of the National Academy of Sciences of the United States of America” RANK-RANKL signaling is essential for hair growth and skin health.
June 2024 in “Regenerative Therapy” iPSCs show promise for hair regeneration but need more research to improve reliability and effectiveness.
August 2025 in “Biomolecules” Fibroblast growth factors could be a better, safer treatment for hair loss than current options.
April 2015 in “Plastic and Reconstructive Surgery” Activating TLR3 helps improve skin and hair follicle regeneration after wounds.
September 2019 in “Journal of Investigative Dermatology” IL-17 and certain immune cells are linked to more severe alopecia areata.
April 2024 in “Cellular signalling” Activating TRPMLs helps human cells important for hair growth and increases hair growth in mice.
135 citations
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November 1987 in “Differentiation” Outer root sheath cells consistently express certain keratins influenced by their environment.
November 2024 in “Journal of Investigative Dermatology” Androgens reduce hair growth by affecting cell differentiation and blood vessel formation.
April 2017 in “Journal of Investigative Dermatology” Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
April 2023 in “Journal of Investigative Dermatology” IL-17 plays a key role in severe hair loss in chronic alopecia areata.
September 2025 in “Journal of Cosmetic Dermatology” Rb-bFGF improves hair transplant results and patient satisfaction with fewer complications.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
25 citations
,
January 2014 in “Annals of Dermatology” Sfrp2 increases during hair follicle catagen phase and slows keratinocyte growth.
131 citations
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July 2009 in “Experimental Dermatology” The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.