January 2026 in “Indian Journal of Paediatric Dermatology” A 14-year-old boy has a skin condition called nevus comedonicus, treated with tretinoin cream.
58 citations
,
November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
17 citations
,
June 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.
November 2025 in “Journal of Saidu Medical College Swat” Biotinidase deficiency can mimic other conditions, making early diagnosis and treatment crucial to prevent lasting issues.
16 citations
,
September 2019 in “Journal of biological chemistry/The Journal of biological chemistry” Mice without certain skin enzymes have faster hair growth and bigger eye glands.
May 2026 in “Clinical and Experimental Dermatology” Sublingual minoxidil improved hair growth in a 10-year-old boy without side effects.
53 citations
,
July 2002 in “Journal of Investigative Dermatology” The Dfl mutation in mice causes poor sebaceous gland function and complete hair loss.
25 citations
,
November 2020 in “Proceedings of the National Academy of Sciences” HoxC genes are crucial for normal hair and nail development.
4 citations
,
January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
140 citations
,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
27 citations
,
February 2003 in “European Journal Of Oral Sciences” SVpgC2a cells show abnormal growth and keratin changes, modeling early cancer development.
3 citations
,
June 2004 in “Työväentutkimus Vuosikirja” Ectodermal dysplasia syndromes are caused by disruptions in key signaling pathways affecting tooth and hair development.
January 2020 in “Journal of oral medicine and oral surgery” Hair grew in a man's mouth due to a rare condition called heterotopia.
February 2021 in “PubMed” A 2-year-old girl had a hair disorder not shared by her identical twin.
March 2012 in “Journal of The American Academy of Dermatology” Hand-foot-mouth disease may cause nail loss in children.
April 2023 in “The Medical Journal of Australia” A five-year-old girl has a harmless, unchanging bald patch on her scalp.
1 citations
,
January 2014 in “Elsevier eBooks” Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.
July 2019 in “Journal der Deutschen Dermatologischen Gesellschaft” A mother and daughter have a rare genetic hair loss disorder with no effective treatment.
February 2026 in “Pediatric Dermatology” 4 citations
,
January 2023 in “Journal of Clinical Investigation” Specific mutations in a receptor cause facial abnormalities and hair loss.
Mutations in keratin genes may link hair disorders to dental decay.
31 citations
,
August 2005 in “The American Journal of Dermatopathology” The study concluded that PKP1 is essential for skin integrity and hair growth, and its dysfunction causes the symptoms of ectodermal dysplasia/skin fragility syndrome.
9 citations
,
January 1989 in “Journal of Small Animal Practice” Abyssinian cats can have a hair abnormality that makes their coat look rough and dull.
60 citations
,
March 2006 in “Journal of Medical Genetics” A mutation in the KRTHB5 gene causes hair and nail issues.
1 citations
,
July 2024 in “Indian Journal of Case Reports” GAPO syndrome causes growth issues, hair loss, missing teeth, and vision problems.
10 citations
,
November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
18 citations
,
January 2018 in “BMC dermatology” A new mutation in the PLEC gene causes a rare condition with skin blistering, muscle weakness, and hair loss.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
7 citations
,
November 2014 in “Histochemistry and Cell Biology” The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.