50 citations
,
February 2013 in “BMC evolutionary biology” Cetaceans lost hair due to changes in the Hr and FGF5 genes.
5 citations
,
July 2019 in “Research Square (Research Square)” Yak hair growth is influenced by genes and hormones, helping them adapt to alpine environments.
85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
2 citations
,
October 1973 in “Archives of internal medicine” The document likely discusses how to tell the difference between excessive hair growth and the development of male characteristics in women.
20 citations
,
August 2003 in “Clinical and Experimental Dermatology” A new genetic mutation in the hairless gene causes a rare hair loss disorder.
16 citations
,
May 2017 in “American Journal of Clinical Dermatology” The document concludes that more research is needed to understand and treat Beard Alopecia Areata due to limited current knowledge and evidence.
29 citations
,
February 2019 in “Pediatric dermatology” Trichotillomania shows specific signs like black dots and uneven hair lengths but lacks certain features of alopecia areata.
November 2022 in “Journal of Investigative Dermatology” ILC1-like cells can cause alopecia areata by affecting hair follicles.
264 citations
,
October 1958 in “Archives of Dermatology” A 4-year-old girl has a rare hair condition causing fragile, short hair.
January 1996 in “Springer eBooks” April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
41 citations
,
July 2017 in “Journal of The American Academy of Dermatology” Men with Frontal fibrosing alopecia typically lose hair on the front scalp and sometimes on sideburns and upper lip, with treatments showing varied success.
September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
1 citations
,
January 2025 in “JAAD reviews.” Hypertrichosis involves excessive hair growth and needs careful diagnosis and treatment, considering its psychological effects.
5 citations
,
March 2016 in “CRC Press eBooks” Hirsutism treatments can slow new hair growth, but existing hair needs removal, and eflornithine helps reduce hair growth.
9 citations
,
June 2024 in “Cell Reports” Hair follicles play a crucial role in regulating skin barrier function.
25 citations
,
June 2022 in “Developmental cell” Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” IL-15 promotes hair growth and protects hair follicles.
14 citations
,
August 2004 in “Veterinary Dermatology” The horse had a rare type of hair loss caused by immune cells attacking hair follicles.
September 1976 in “PubMed” Hirsutism is excessive male-pattern hair growth mainly caused by ovarian hormones, and severe cases may require costly treatment with side effects.
November 2000 in “Current problems in dermatology” New treatments for hair loss and excessive hair growth show promise with few side effects and advancements in laser technology.
13 citations
,
March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
Muscarinic acetylcholine receptors help regulate and promote hair growth.
7 citations
,
May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
19 citations
,
July 2004 in “Australasian Journal of Dermatology” Her hair grew back normally after she stopped rubbing it.
83 citations
,
December 2004 in “American Journal of Obstetrics and Gynecology” 2 citations
,
January 2005 in “PubMed” Women with excessive body hair often have higher male hormones and related health issues.