489 citations
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June 2005 in “The FASEB Journal” Human hair follicles can produce cortisol like the body's stress response system.
338 citations
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July 2009 in “Development” Sox2-positive cells determine specific hair follicle types in mammals.
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January 1994 in “PubMed” The molecular mechanisms controlling hair growth phases are not fully understood yet.
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January 2009 in “Human cell culture” February 2026 in “Journal of the American Academy of Dermatology” August 1993 in “Journal of Dermatological Science” 29 citations
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July 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.
38 citations
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April 2016 in “Experimental Dermatology” The document concludes that understanding hair follicle cell cycles is crucial for hair growth and alopecia research, and recommends specific techniques and future research directions.
63 citations
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September 2009 in “Regenerative Medicine” Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.
May 2023 in “Stem cell research & therapy” New method efficiently isolates hair growth cells from newborn mouse skin.
July 2017 in “Biology bulletin/Biology bulletin of the Russian Academy of Sciences” Specific conditions are needed to keep hair follicle cells effective for hair growth.
37 citations
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December 2001 in “Journal of Investigative Dermatology” Leptin may play a role in hair growth and hair follicle health.
4 citations
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January 2005 in “Elsevier eBooks” Follicular Unit Transplantation is a precise hair restoration technique that requires careful planning and a skilled team, and Follicular Unit Extraction offers a less invasive option.
January 2024 in “Updates in clinical dermatology”
42 citations
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December 1990 in “The Journal of Dermatologic Surgery and Oncology” The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.
November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
71 citations
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May 1996 in “Journal of Investigative Dermatology” Ornithine decarboxylase is crucial for hair growth regulation in mice.
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January 2016 in “Cellular physiology and biochemistry” Epidermal Growth Factor helps hair follicle cells grow and move by activating a specific cell signaling pathway.
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September 2006 in “Hair transplant forum international” Transplanting 2,800 to 4,000 hair units closely together is a complex procedure that requires preparation.
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October 2022 in “BMC genomics” Certain microRNAs are important for sheep hair follicle development and could help improve wool quality.
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July 2022 in “Annals of translational medicine” Scientists created complete hair-like structures by growing mouse skin cells together in a special gel.
53 citations
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May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
Growing hair follicles from cultured cells could potentially treat baldness, but more research is needed.
47 citations
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September 2008 in “British Journal of Dermatology” Ludwig pattern hair loss in women results from varying sensitivity in hair follicles, causing fewer visible hairs.
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February 2010 in “Journal of the European Academy of Dermatology and Venereology” Fibrosing alopecia in a pattern distribution is a unique hair loss condition that may respond to antiandrogen therapy.
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January 1983 in “The Anatomical Record” Epidermal growth factor delays skin and hair development in mice.
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February 2002 in “International Journal of Dermatology” The patient's symptoms improved with treatment but recurred when the steroid dose was reduced, requiring ongoing therapy.
2 citations
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July 2023 in “Animals” FGF10 and non-coding RNAs are important for cashmere goat hair follicle development.
March 2009 in “Medical & surgical dermatology” Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.