11-oxyandrogens are linked to excess hair growth in PCOS, but don't help diagnose it.
10 citations
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April 2020 in “Clinics in Dermatology” Biotin supplements improved skin and hair problems in a girl with biotinidase deficiency.
May 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” The enzyme 5α-reductase is important for proper blood vessel development during the fertility-related transformation of the uterus lining.
December 2025 in “Molecules” DPP may help hair regrowth by improving blood vessel function under stress.
18 citations
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October 2009 in “Endocrinology” Different Hairless isoforms affect Vitamin D receptor activity in hair regulation, with one repressing and the other stimulating it.
127 citations
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January 2008 in “PloS one” Vitamin D receptor helps control hair growth and could be used to treat certain skin tumors.
33 citations
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August 1993 in “FEBS Letters” A new enzyme in rats may help regulate hair growth.
5 citations
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January 2009 in “Dermato-endocrinology” ADAM 10 and ADAM 12 proteins are involved in different stages of hair growth and could be targets for treating hair disorders.
86 citations
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January 1990 in “The Journal of Pediatrics” Children with partial biotinidase deficiency are healthy at birth but may develop symptoms that improve with biotin therapy.
9 citations
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December 1987 in “Archives of Dermatology” Two genetic disorders affect biotin metabolism, causing severe skin, hair, and metabolic issues.
February 2026 in “Pediatric Dermatology”
January 2023 in “International Journal of Contemporary Pediatrics” A rare genetic disease causes rickets and often hair loss in young children, which can improve with specific treatments.
11 citations
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July 2010 in “European Journal of Dermatology” The condition is linked to chromosome 12, but no mutations were found in the known genes.
38 citations
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May 1971 in “Clinical genetics” A specific metabolite, not a receptor protein, triggers the production of certain kidney enzymes, but this process is disrupted in mice with a mutation causing testicular feminization.
21 citations
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March 2003 in “Clinical and Experimental Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
April 2018 in “Journal of Investigative Dermatology” DNMT3A is crucial for healthy skin and hair growth.
40 citations
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April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.
1 citations
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May 2004 in “Biochemical and Biophysical Research Communications” Two new gene clusters important for hair formation were found on human chromosome 11.
April 2025 in “Molecular Biology Reports” DNMT1 may help treat hypospadias by improving cell function and preventing unwanted cell changes.
April 2019 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles may boost hair growth by enhancing energy production and blood vessel formation.
26 citations
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October 2002 in “Journal of Investigative Dermatology” A specific gene mutation causes congenital hair loss.
17 citations
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October 2006 in “Molecular and Cellular Endocrinology” The L457(3.43)R mutation in the human lutropin receptor causes increased activity and hormone insensitivity, leading to precocious puberty.
11 citations
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March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
11 citations
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May 1996 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The main enzyme found in pubic skin that could be targeted to treat excessive hair growth is 5 alpha-R2.
Vitamin D receptor actions without binding are crucial for healthy skin and hair.
4 citations
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August 2013 in “Chinese Medical Journal” A specific gene mutation in KRT86 is linked to hair disorder in a Chinese Han family.
5 citations
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March 2023 in “Archives of dermatological research” Increased HIF-1α is linked to the inflammation and severity of hidradenitis suppurativa, suggesting treatments that lower HIF-1α could help.
82 citations
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October 1980 in “The Journal of Clinical Endocrinology & Metabolism” The child's body didn't respond well to vitamin D, causing hair loss and rickets.
February 2026 in “International Journal of Molecular Sciences” 3-Hydroxypropionic acid may help treat hair loss by promoting hair growth in cells.
3 citations
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May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.