December 2022 in “Biochemical and Biophysical Research Communications” HtrA2 activity is crucial for normal hair growth by regulating fat cell development.
13 citations
,
August 2012 in “Journal of the American Academy of Dermatology” A rare scalp condition causing hair loss and cysts in young men can be treated effectively with a specific steroid injection.
3 citations
,
March 2014 in “Veterinary dermatology” Norwegian puffin dogs have a unique type of hair loss that often doesn't get better on its own and responds well to ciclosporin treatment.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
2 citations
,
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.
The document showed detailed images of skin structures and discussed skin diseases and their diagnosis.
2 citations
,
June 2019 in “The Journal of Dermatology” Two cases showed skin abnormalities without bone or neural defects.
2 citations
,
August 2012 in “Journal of the American Academy of Dermatology” Two patients with the same genetic mutation had both blistering skin and easily pulled out hair.
4 citations
,
May 2020 in “Journal of The American Academy of Dermatology” Cicatricial pattern hair loss is likely advanced common baldness, not a type of lichen planopilaris.
January 2008 in “Medical Entomology and Zoology”
May 2015 in “Journal of The American Academy of Dermatology” A woman with Parry-Romberg syndrome developed new curly hair on one side of her scalp, a condition not previously linked to the syndrome.
42 citations
,
January 2003 in “International Journal of Gynecological Pathology” PEH in vulvar LS is common and needs careful diagnosis to avoid confusion with cancer.
10 citations
,
April 2004 in “Journal of the American Academy of Dermatology” Localized hair growth and fat loss may share a common cause in lupus panniculitis.
Pimpinella anisum L. extract significantly boosts hair growth in mice.
186 citations
,
October 1957 in “A M A Archives of Dermatology” Alopecia mucinosa is a challenging condition with unclear diagnosis and treatment.
March 2023 in “International journal of integrated medical research” Keratosis pilaris is a common skin condition where hair follicles get clogged with keratin, mostly on the arms and thighs.
December 2014 in “Bangladesh Journal of Veterinary Medicine” Ectoparasites cause skin issues in Egyptian lesser blind mole rats, affecting their population.
December 2024 in “Journal of Pediatric Surgery Case Reports” Surgical removal of hair effectively treated pilonidal omphalitis in a teenager.
2 citations
,
January 2022 in “International journal of trichology” Eruptive vellus hair cysts are often missed in diagnoses.
November 2025 in “Journal of Skin and Sexually Transmitted Diseases” Trichofolliculoma was found in a person with amniotic band syndrome for the first time.
January 2025 in “Dermatology Online Journal” The man's hair loss and skin papules were diagnosed as atrichia with papular lesions, not alopecia areata universalis.
23 citations
,
November 2011 in “Journal of the European Academy of Dermatology and Venereology” Hair loss is a rare but recognized symptom of pemphigus vulgaris, with patients usually regrowing hair after treatment.
May 2022 in “Reactions Weekly”
18 citations
,
August 2018 in “The FASEB journal” Rabbits lacking the Hoxc13 gene show similar hair and skin issues to humans with ECTD-9, making them good for research on this condition.
9 citations
,
January 2012 in “International journal of trichology” Trichostasis spinulosa can be diagnosed with a simple skin biopsy and treated with specific gels, but lesions may return after stopping treatment.
September 2016 in “Journal of dermatological science” The OVOL1-OVOL2 axis is important for hair follicle differentiation and can help diagnose certain hair-related tumors.
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.
72 citations
,
July 1984 in “Journal of Investigative Dermatology” 3 citations
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March 2023 in “Annals of the New York Academy of Sciences” Mutations in claudin-1 and claudin-3 cause hair loss in baby mice.
February 2021 in “PubMed” A 2-year-old girl had a hair disorder not shared by her identical twin.