March 2014 in “Anais Brasileiros de Dermatologia” Hair follicles are a key source of stem cells for skin repair and could help treat baldness.
19 citations
,
January 2019 in “Animals” PDGFA helps activate hair growth in cashmere goats.
159 citations
,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
9 citations
,
March 2008 in “PubMed” Low estrogen compared to androgen may cause female hair loss.
July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Scalp tissue micrografts can effectively treat hair loss by increasing hair density and thickness.
1 citations
,
September 2025 in “Frontiers in Veterinary Science” Ganxi goats' skin and hair adapt to heat and humidity, possibly aided by GSDMA protein.
1 citations
,
December 1992 in “International Journal of Dermatology” No significant hormone differences found in postmenopausal women with androgenetic alopecia.
March 2023 in “Human Pathology” Hair follicle counts and ratios are helpful in diagnosing hair loss types, but should be used with other specific features for accurate diagnosis.
September 2023 in “Biomedical Optics Express” New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Aging causes changes in scalp cells that can negatively affect hair health.
18 citations
,
June 1992 in “Acta Histochemica” Human hair follicles have a unique cell distribution and differentiation pattern during growth.
23 citations
,
June 2006 in “Journal of Investigative Dermatology” Men with baldness have higher levels of specific proteins, suggesting local hormone production may play a role in hair loss.
24 citations
,
March 2017 in “Archives of Gynecology and Obstetrics” The study found that women with hyperandrogenic PCOS have higher levels of AKT1 and AKT2 proteins in their cells, which may lead to cell dysfunction.
6 citations
,
January 2001 in “Dermatologic Surgery” Female pattern alopecia is common, starts in late 20s, and is not androgen dependent.
30 citations
,
March 2008 in “Wound Repair and Regeneration” Estrogen affects scalp cell types differently, enhancing some wound healing processes.
November 2024 in “Journal of Investigative Dermatology” Androgens reduce hair growth by affecting cell differentiation and blood vessel formation.
11 citations
,
July 2018 in “AJGP” Low-dose oral minoxidil effectively reduces hair loss in women with female pattern hair loss.
4 citations
,
January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
November 2014 in “PharmaTutor” Finasteride may help postmenopausal women with hair loss but is not effective for all and should be used cautiously in premenopausal women.
2 citations
,
May 2002 in “PubMed” Micro-graft hair transplantation is an effective, simple, and painless method for permanent hair restoration in men and women.
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.
October 2023 in “University of Zadar Institutional Repository” Androgenetic alopecia is a common genetic and hormonal hair loss affecting many men and women.
44 citations
,
July 1993 in “Journal of Investigative Dermatology” July 2022 in “Journal of Investigative Dermatology” TRPS1 loss in balding scalp areas contributes to hair loss in androgenic alopecia.
3 citations
,
November 1999 in “Journal of Cutaneous Medicine and Surgery” AGA is a genetic, hormonal hair loss treated with finasteride, minoxidil, and supplements, but new compounds are being developed.
September 2017 in “Journal of Investigative Dermatology” Hair follicle cells change their DNA packaging during growth cycles and when grown in the lab.
Women with androgenetic alopecia (hair loss) have normal prostate specific antigen levels but higher testosterone levels.
June 2020 in “Journal of Investigative Dermatology” Scientists successfully grew mini hair follicles using human skin cells, which could help treat baldness.
May 2020 in “Research Square (Research Square)” Researchers found four key stages of cell development that are important for hair growth and shedding in cashmere goats.
26 citations
,
May 2001 in “British Journal of Dermatology” Pilomatrixomas likely originate from the hair matrix due to changes in hair keratin expression.