2 citations
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September 2021 in “JAAD case reports” A man with a weakened immune system was diagnosed with a rare skin condition called trichodysplasia spinulosa using skin examination techniques.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
43 citations
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April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
13 citations
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April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
1 citations
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February 2018 in “Australasian journal of dermatology” Advanced imaging techniques are crucial for accurately diagnosing Monilethrix, a rare hair disorder.
January 2025 in “Conservation Physiology” Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.
4 citations
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September 1992 in “Journal of Small Animal Practice” A French bulldog had sparse hair due to a condition similar to that seen in Chinese crested dogs.
207 citations
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September 1973 in “Entomologia Experimentalis et Applicata” B-type hairs on female butterfly legs help them choose where to lay eggs.
9 citations
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December 2022 in “Genes” CNVs influence hair length in Tianzhu white yaks.
1 citations
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February 2017 in “Clinical Dermatology Open Access Journal” A rare benign tumor was found in a man's scrotum, highlighting the need for accurate diagnosis.
1 citations
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January 2014 Crataegus pinnatifida extract promotes hair growth in mice.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Durdhuradi Taila may help promote hair growth and reduce hair loss.
1 citations
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August 2023 in “Clinical Cosmetic and Investigational Dermatology” Exclamation mark hairs help distinguish syphilitic alopecia from alopecia areata.
158 citations
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November 1998 in “Cell” β-catenin affects hair growth and can lead to tumors, needing more research for better understanding.
1 citations
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January 2012 in “Journal of Toxicologic Pathology” A rat had a cyst similar to a hair follicle structure.
1 citations
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March 2014 in “Turkderm” Trichoscopy helps tell different hair loss types apart using specific scalp and hair patterns.
January 2026 in “Preprints.org” Four new FGF5 gene variants cause long hair in dogs.
2 citations
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July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
1 citations
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November 2022 in “Frontiers in medicine” The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.
16 citations
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July 2013 in “The American Journal of Dermatopathology” Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.
1 citations
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January 2008 in “Proceedings of the 9th World Rabbit Congress, Verona, Italy, 10-13 June 2008” Furless male rabbits grew slightly faster and heavier than furred ones, but testosterone levels were not the cause.
April 2023 in “Journal of Dermatological Treatment” Tofacitinib helped regrow hair in a teen with a unique pattern of alopecia areata.
409 citations
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May 1991 in “Genes & Development” TGF-alpha affects skin thickness, hair growth, and may contribute to psoriasis and papilloma formation.
November 2023 in “International surgery journal” A man's neck lump was a trichilemmal cyst, not cancer, and should be fully removed due to rare risk of becoming malignant.
28 citations
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August 2005 in “Journal of Investigative Dermatology” TG5 helps maintain hair follicle health, while TG3 aids in hair shaft development.
November 2025 in “ACS Omega” Teak leaf extract may help hair growth and reduce inflammation safely.
11 citations
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January 2016 in “Mycoses” Human black hair is best for distinguishing between T. mentagrophytes and T. verrucosum.
19 citations
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June 2020 in “BMC Cancer” Trichilemmal carcinoma shares genetic changes with other skin cancers, suggesting similar causes and potential treatments.
The gene Endothelin 3 makes mice's fur darker by increasing pigment cells and pigment levels.