54 citations
,
November 1995 in “The Journal of Clinical Endocrinology & Metabolism” Females with 5 alpha-reductase-2 deficiency have less body hair, no acne, normal fertility, and delayed menarche.
15 citations
,
May 2014 in “Journal of dermatology” Zouboulis syndrome is a rare condition that helps diagnose monosomy 18p early.
2 citations
,
July 2024 in “Indian Journal of Dermatology” Adults with alopecia areata often have empty follicular openings, while children show more honeycomb pigment patterns.
A new genetic mutation was found causing hair and eye issues in a boy.
23 citations
,
April 2003 in “Journal of Structural Biology” Keratin structure changes during keratinization, but the exact model remains uncertain.
April 2024 in “American Journal of Biological Anthropology” Hair traits vary widely and are not reliable indicators of ancestry.
25 citations
,
May 1995 in “Journal of the American Academy of Dermatology” Erythromelanosis follicularis faciei can also affect women, though it's rare.
19 citations
,
March 1997 in “Journal of Cutaneous Pathology” Alopecia areata involves specific T-cells, unlike androgenetic alopecia.
July 2014 in “Journal of the Portuguese Society of Dermatology and Venereology” Trichoscopy is useful for diagnosing and monitoring hair and scalp conditions.
26 citations
,
October 1998 in “Experimental Dermatology” A keratin hHb6 mutation causes a hair disorder with varying severity, influenced by other factors.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
30 citations
,
August 2018 in “Dermatology and Therapy” Better-designed, long-term studies are needed to optimize treatment for trichotillomania and trichophagia.
April 2023 in “Journal of Investigative Dermatology” Trichohyalin in hair can trigger immune attacks in alopecia areata.
11 citations
,
September 2011 in “British Journal of Dermatology” New ABCA12 gene mutations were linked to a skin condition with scaling and hair loss, and a treatment helped with hair loss in a related case.
2 citations
,
November 2023 in “Skin Research and Technology” RCM and dermoscopy help identify different types of hair loss in children.
8 citations
,
July 2003 in “Annals of the Rheumatic Diseases” A 13-year-old girl with various symptoms was successfully treated with an antibiotic called co-trimoxazole.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
2 citations
,
September 2017 in “Journal of Zoo and Wildlife Medicine” An addax had skin cancer that spread to lymph nodes and was euthanized.
4 citations
,
April 1978 in “PubMed” Netherton syndrome in a boy caused skin and hair issues, and treatment didn't work.
June 2023 in “Italian journal of dermatology and venereology” Trichoscopy effectively diagnoses allergic scalp contact dermatitis.
30 citations
,
February 1996 in “Journal of Investigative Dermatology” 6 citations
,
October 1998 in “PubMed” Antifungal treatment can improve severe skin infections with cutaneous horns.
17 citations
,
May 1969 in “American Journal of Physical Anthropology” The silver marmoset's skin is thin, lacks pigment cells, and has unique features like keratinized spines and specialized glands.
4 citations
,
December 2001 in “Endoscopy” Prednisolone and Bactrim improved symptoms in a woman with Cronkhite-Canada syndrome.
14 citations
,
December 2010 in “Journal of human genetics” A Japanese patient with IFAP syndrome had a severe MBTPS2 gene mutation but showed milder symptoms than previously observed cases.
4 citations
,
January 1982 in “Neuroendocrinology” Dopamine affects coat color changes in agouti mice.
17 citations
,
January 2015 in “Dermatology online journal” A patient's grey hair regained color during treatment with adalimumab.
September 2023 in “Cutis” A baby girl has a hair disorder called monilethrix, causing fragile hair that may improve over time.
November 2025 in “Frontiers in Veterinary Science” A 1.0% tyrosine diet increases melanin in chicken feathers.
3 citations
,
September 2018 in “Journal of Structural Biology” Oxidized trichocyte keratin has a helical dislocation in its structure.