January 2019 in “Durham e-Theses (Durham University)” Less stiff collagen promotes higher cell growth in hair follicles.
38 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Understanding normal hair follicle development helps analyze abnormalities in mutant mice.
11 citations
,
April 2020 in “Journal of The American Academy of Dermatology” Microinflammation is more intense in smaller hair follicles and may be linked to hair loss.
13 citations
,
July 2018 in “General and comparative endocrinology” Thyroid hormones and androgens affect gene expression in frog reproductive organs differently between males and females.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
1 citations
,
June 2022 in “Experimental dermatology” The SHJH hr mice with a mutated Hr gene show signs of faster skin aging due to poor antioxidative protection.
7 citations
,
January 2016 in “Methods in molecular biology” Mouse hair follicle stem cells were successfully isolated and used to regenerate hair follicles with two different methods.
59 citations
,
March 1984 in “Journal of Investigative Dermatology” 44 citations
,
February 2016 in “Zoology” Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
92 citations
,
December 2005 in “The Journal of clinical investigation/The journal of clinical investigation” Human hair follicle stem cells can be isolated using specific markers for potential therapeutic use.
1 citations
,
June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
February 2024 in “JAAD International” Measuring the variety in hair thickness can help diagnose male pattern baldness in Korean men.
Metabolic processes and key genes like FGF5, FGFR1, and RRAS significantly affect hair follicle growth in Inner Mongolian Cashmere goats.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Tet1/2/3 enzymes affect hair follicle cell development by influencing BMP signaling.
21 citations
,
September 2008 in “Magnetic Resonance Imaging” MRI can effectively image skin structures noninvasively.
1 citations
,
January 2024 in “Archives of Endocrinology and Metabolism” Self-assessed hirsutism scores are not reliable for clinical diagnosis but may help in screening.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
11 citations
,
January 2005 in “Brazilian Journal of Medical and Biological Research” Hairless USP mice have enlarged skin cysts as they age.
43 citations
,
July 2005 in “Journal of Chromatography B” A new method accurately measures hair lipids, revealing individual differences.
13 citations
,
October 2002 in “Journal of Investigative Dermatology” The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.
September 2025 in “Skin Research and Technology” March 2026 in “Frontiers in Medicine” A hybrid model using traditional methods, trichoscopy, and AI improves hair loss assessment.
25 citations
,
August 1992 in “In vitro cellular & developmental biology” The new system can grow hair in the lab and test hair growth treatments.
16 citations
,
November 2013 in “European Journal of Dermatology” Hair gets thinner and grayer with age, and density decreases more in men on top and in women on top and back.
10 citations
,
November 2018 in “Developmental Psychobiology” Hair can effectively measure DHEA and testosterone levels in children.
March 2014 in “CRC Press eBooks” Human head hair can grow very long and is thicker than most body hair.
Centralized imaging provides more accurate and consistent hair loss measurements in alopecia areata.
December 2024 in “Indian Dermatology Online Journal” Standard reference values for hair analysis in healthy Indian males were established.
6 citations
,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
July 2025 in “Journal of the American Academy of Dermatology” Hair diameter diversity helps assess hair loss, but its standard measure varies by individual and ethnicity.