73 citations
,
October 2001 in “Epilepsia” Children taking higher doses of valproic acid had lower biotinidase activity, which may lead to biotin deficiency, but biotin supplements could help.
1 citations
,
June 2022 in “Tidsskrift for Den norske legeforening” A young boy's uncombable hair is due to a rare genetic condition that usually improves over time.
2 citations
,
May 2021 in “Case reports in dermatological medicine” A 28-year-old man with type 1 diabetes had skin and hair issues due to zinc deficiency.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Not having enough cystatin M/E protein causes less hair growth and dry skin.
October 2023 in “IJEM case reports” A 15-year-old girl with no menstrual period was diagnosed with a genetic condition that makes her body unable to respond to male hormones, leading to female characteristics despite having male genetic makeup.
2 citations
,
January 2016 in “Journal of clinical & experimental dermatology research” Acrodermatitis Enteropathica is a rare skin condition treated effectively with zinc supplements, and early diagnosis is key.
May 2023 in “Research Square (Research Square)” Patients with acne and insulin resistance have different blood metabolites compared to those with only acne, which could help in diagnosis and treatment.
2 citations
,
October 2018 in “The journal of pediatrics/The Journal of pediatrics” The document concludes that specific hair and blood vessel abnormalities in infants with seizures and developmental issues may indicate Menkes disease, which lacks a cure and is often fatal by age 3.
1 citations
,
September 2020 in “Journal of dermatology” Researchers found a new mutation in the LIPH gene of a woman with a rare hair condition.
November 2025 in “Journal of Investigative Dermatology” Alopecia Areata may involve reduced antioxidant defenses in hair follicles, affecting stem cell function.
54 citations
,
April 2010 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Impaired androgen production in 46,XY DSDs causes ambiguous genitalia and requires long-term care.
8 citations
,
January 2014 in “Indian Journal of Paediatric Dermatology” Congenital atrichia with papular lesions causes permanent hair loss and skin bumps from birth.
309 citations
,
June 2001 in “Molecular and Cellular Endocrinology” Mutations in the androgen receptor gene cause androgen insensitivity, leading to female traits in genetically male individuals.
175 citations
,
December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
21 citations
,
April 2014 in “PLoS ONE” A rare gene variant causes hair and nail issues in a family.
July 2024 in “British journal of dermatology/British journal of dermatology, Supplement” A variant in the KRT31 gene causes a rare hereditary hair disorder called monilethrix.
1 citations
,
September 2021 in “Frontiers in genetics” A genetic mutation in the DCAF17 gene caused Woodhouse-Sakati syndrome in a Chinese patient from a related family.
January 2009 in “ScholarlyCommons (University of Pennsylvania)” The P133R mutation in AKR1D1 enzyme causes harmful bile acid buildup, explaining related health issues.
26 citations
,
October 2002 in “Journal of Investigative Dermatology” A specific gene mutation causes congenital hair loss.
Early biotin treatment can reverse symptoms of congenital biotinidase deficiency.
1 citations
,
July 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
April 2019 in “Journal of the Endocrine Society” A 12-year-old boy with PAIS successfully developed male characteristics using high-dose testosterone and anastrozole.
15 citations
,
April 2007 in “Journal of child neurology” An 11-month-old boy with Menkes disease had severe brain shrinkage and abnormal blood vessels, and didn't respond well to treatment.
46 citations
,
November 1963 in “Journal of Histochemistry & Cytochemistry” Arginine converts to citrulline in hair follicles as proteins harden.
5 citations
,
February 2025 in “Cell Reports” Skin acetyl-CoA synthesis is crucial for overall lipid balance.
12 citations
,
September 1981 in “Acta Dermato Venereologica” Zinc supplements improved the girl's hair growth and thickness.
10 citations
,
November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
April 2017 in “Journal of Investigative Dermatology” Reduced Stx17 expression may contribute to Alopecia Areata.
August 2016 in “Journal of Investigative Dermatology” Researchers found a new genetic mutation linked to a hair condition in a Japanese boy.
25 citations
,
January 1944 in “Experimental Biology and Medicine” Inositol prevents hair loss and improves health in rats.