Hair growth is maintained by specific cell signals.
July 2022 in “Conjeturas” Androgens play a key role in causing alopecia by changing the hair growth cycle.
Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
January 2023 in “Iranian Journal of Pharmaceutical Research” Stauntonia hexaphylla extract can help treat hair loss by blocking certain hormones.
165 citations
,
June 2007 in “European Journal of Cell Biology” Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
91 citations
,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
20 citations
,
December 2015 in “Journal of Pharmacopuncture” Thread-embedding therapy helped hair grow back in mice and might do the same in humans.
January 2003 in “Linchuang pifuke zazhi” Zingiber coralliaum oil promotes early hair growth in mice.
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.
178 citations
,
April 2011 in “Journal of Clinical Investigation” Basal cell carcinomas in mice can start from hair follicle stem cells and other skin cell types, depending on signaling levels.
64 citations
,
March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
16 citations
,
October 2018 in “Biochemical and Biophysical Research Communications” Sildenafil, often used for erectile dysfunction, may help hair growth.
5 citations
,
January 2009 in “Dermato-endocrinology” ADAM 10 and ADAM 12 proteins are involved in different stages of hair growth and could be targets for treating hair disorders.
3 citations
,
February 2014 in “Dong-ui saengni byeongni hakoeji” Microneedle roller therapy could help treat hair loss by promoting hair growth.
February 2025 in “BMC Veterinary Research” Keratin proteins are crucial for hair growth in cashmere goats.
192 citations
,
March 1998 in “British Journal of Dermatology” Minoxidil boosts growth factor in hair cells, potentially promoting hair growth.
131 citations
,
March 2004 in “The American journal of pathology” Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.
92 citations
,
February 2005 in “Endocrinology” Estrogen receptors affect hair growth, with ER beta slowing down the hair cycle changes caused by ER alpha.
71 citations
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February 2006 in “Clinics in Dermatology” Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.
41 citations
,
May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.
36 citations
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July 1996 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.
33 citations
,
September 1990 in “Proceedings of the National Academy of Sciences” The study showed that a specific DNA sequence can control gene expression in hair growth areas of mice.
26 citations
,
December 2020 in “Genes” A combination of IGF-1 and EGF promotes hair growth in Angora rabbits.
23 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia Areata is an autoimmune disease affecting hair follicles, influenced by genetic and environmental factors, with rodent models being essential for research.
23 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain chemicals and peptides can promote hair growth or prevent baldness.
21 citations
,
October 2009 in “Biochemical Engineering Journal” Stem cell therapy is a promising approach for hair regrowth despite potential side effects.
14 citations
,
May 2020 in “Archiv für Tierzucht” Researchers identified genes that may affect hair growth in Cashmere goats.
14 citations
,
May 2017 in “InTech eBooks” Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.
14 citations
,
March 2015 in “Clinical and Experimental Dermatology” Human placental extract and minoxidil together significantly promote hair growth.
8 citations
,
April 2020 in “Journal of Ethnopharmacology” Herbs might help with hair loss, but more research is needed to confirm their safety and effectiveness.