January 2002 in “Proceedings of The Japanese Society of Animal Models for Human Diseases” Keratin2-6g is crucial for hair follicle development, with mutations causing cell degeneration and vacuolation.
4 citations
,
March 2012 in “European journal of wildlife research” Wire brush snares are best for collecting Eurasian Lynx hair for DNA analysis.
95 citations
,
January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
2 citations
,
February 2025 in “Journal of Investigative Dermatology” Progenitor cells randomly decide their roles to maintain hair follicle growth.
10 citations
,
November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
19 citations
,
January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
3 citations
,
December 2018 in “Routledge eBooks” Hair is made of strong keratin fibers that protect against the environment.
11 citations
,
June 2017 in “Asian-Australasian journal of animal sciences” Fox genes are important for hair growth and development in cashmere goats.
December 2024 in “Frontiers in Veterinary Science” Dorper sheep's wool shedding is linked to specific genes and pathways, which may help understand human hair growth.
158 citations
,
February 2012 in “Journal of Investigative Dermatology” FGF18 helps keep hair in its resting phase, affecting hair growth cycles.
9 citations
,
June 2000 in “Journal of The American Academy of Dermatology” Mutation in hairless gene may increase hair loss risk.
1 citations
,
November 2019 in “Applied sciences” Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
61 citations
,
February 1997 in “Differentiation” Hair differentiation starts earlier than thought, involving multiple type-II keratins.
September 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Some hair growth cells remain in partially bald areas of Indian men with hair loss.
5 citations
,
January 2014 in “International Journal of Trichology” Hair loss on the lower legs is common in middle-aged men, usually harmless, and doesn't need treatment.
25 citations
,
December 1973 in “Biochemical Journal” Guinea-pig hair and follicle proteins are mostly similar, but follicles have more group 2 proteins and fewer group 3 and 4 proteins.
30 citations
,
November 1985 in “American Journal of Veterinary Research” Switch hair can indicate magnesium and copper levels in beef cows.
November 2025 in “BMC Genomics” Genetic differences in sheep affect wool type, with fat and immune genes influencing hair traits.
15 citations
,
November 1983 in “British journal of dermatology/British journal of dermatology, Supplement” Testosterone increases hamster hair growth; cyproterone acetate reduces it.
July 2023 in “Veterinary pathology” White-tailed deer can get a hair loss condition that might make them more vulnerable to environmental threats.
FGF5 spliceosomes inhibit rabbit hair growth by affecting gene expression.
2 citations
,
June 2000 in “Journal of The American Academy of Dermatology” Mutation in hairless gene may increase hair loss risk.
5 citations
,
October 2013 in “Veterinary Clinics of North America: Equine Practice” Some horses lose hair without inflammation or itching due to various conditions, and while mainly a cosmetic issue, diagnosis requires examination and biopsies, and breeding is not advised if it's hereditary.
January 2024 in “Revista Dermatológica Centro Uraga” Frontal fibrosing alopecia is increasingly affecting men, causing hair loss around the hairline and possibly other areas.
24 citations
,
May 2000 in “Journal of the American Academy of Dermatology” Pseudopelade can affect both the scalp and beard, causing hair loss.
38 citations
,
July 1993 in “Journal of Investigative Dermatology” 9 citations
,
January 1998 in “Studia Anglica Posnaniensia: international review of English Studies” Wound-induced hair growth may help study regeneration and aging, but it's unclear if this ability decreases with age.
26 citations
,
October 1996 in “Journal of Endocrinology/Journal of endocrinology” Goat hair follicles have insulin-like growth factor-I receptors that might affect hair growth, but no melatonin receptors were found.
1 citations
,
April 2009 in “Wiley Encyclopedia of Forensic Science” Microscopic hair analysis helps identify species and sometimes individuals in forensic science.
3 citations
,
April 1990 in “Archives of dermatology” The book reveals diverse patterns of hair growth in different species and advancements in hair and alopecia research.