92 citations
,
February 2005 in “Endocrinology” Estrogen receptors affect hair growth, with ER beta slowing down the hair cycle changes caused by ER alpha.
May 2024 in “Frontiers in medicine” A genetic mutation in the LIPH gene causes tightly curled hair that stops growing in some Japanese individuals.
161 citations
,
June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
7 citations
,
January 1981 in “Springer eBooks” The document concludes that hair biology is complex and there are still unanswered questions about hair loss and follicle changes.
10 citations
,
February 2019 in “Journal of cellular physiology” TGF-β2 helps yak hair follicles enter the regression phase, while HSP70 tries to prevent it.
1 citations
,
June 2018 in “Archives of Disease in Childhood Education & Practice” The girl's hair started regrowing after 6 weeks of treatment.
3 citations
,
April 2018 in “Journal of Investigative Dermatology” CCCA may be a fibroproliferative disorder, and anti-fibrotic therapies could help.
6 citations
,
January 2020 in “Czech Journal of Animal Science” The FAT1 gene and its variations can help improve wool quality in Chinese Merino sheep through selective breeding.
57 citations
,
June 2003 in “American Journal of Physiology-cell Physiology” Cyclosporin A helps mice grow hair by blocking a specific protein activity in skin cells.
111 citations
,
March 1951 in “Annals of the New York Academy of Sciences” Understanding the mouse hair cycle is crucial for cancer research.
2 citations
,
October 1999 in “Annals of the New York Academy of Sciences” Melatonin and cortisol affect mink winter hair growth, but β-endorphin levels do not.
1 citations
,
January 1997 in “Skin Pharmacology and Physiology” Premature infants have less elastic hair than full-term infants.
July 2024 in “Journal of Investigative Dermatology” Cell movements and forces shape feather growth in chicken skin.
January 2013 in “Heilongjiang xumu shouyi” Researchers cloned a gene from Xinjiang fine-wool sheep, finding it very similar to other sheep and somewhat similar to goats, humans, and rabbits.
The study found genetic variations in sheep that affect traits like milk production, growth, and health.
January 2007 in “Durham e-Theses (Durham University)” Hair growth and shedding involve specific cell changes and gene roles.
3 citations
,
January 2021 in “FEBS open bio” Camellia japonica extract may improve scalp health and promote hair growth.
IGF-I and EGF together boost sheep hair follicle growth.
10 citations
,
April 2020 in “PloS one” Lack of Crif1 in hair follicle stem cells slows down hair growth in mice.
1 citations
,
January 2025 in “Poultry Science” Pekin duck skin quality improves with age, peaking at 5-6 weeks.
5 citations
,
January 1991 in “Acta Dermato Venereologica” Topical cyclosporin promotes hair growth.
12 citations
,
November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
29 citations
,
March 2015 in “Journal of Investigative Dermatology” Cyclosporine A promotes hair growth and prolongs the active growth phase in human hair follicles, but may work differently than in rodents.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
1 citations
,
December 2012 in “Journal of Dermatological Science” FGF18 controls hair growth rest phase.
23 citations
,
July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
9 citations
,
December 1978 in “Australian Journal of Biological Sciences” Flumethasone causes wool shedding in Merino wethers, with recovery in about 60 days.
46 citations
,
January 1991 in “Tissue and Cell” The male silkmoth's antenna develops olfactory structures over 21 days, with full hair formation by day 15.
January 2003 in “Linchuang pifuke zazhi” Zingiber coralliaum oil promotes early hair growth in mice.
86 citations
,
August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.