28 citations
,
August 2003 in “Steroids” Hirsute women have lower type 2 17β-HSD enzyme levels, which improve with treatment.
48 citations
,
November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
2 citations
,
September 2022 The PER3 rs772027021 SNP may cause mild skin pigmentation changes in a new subtype of dyschromatosis universalis hereditaria.
8 citations
,
October 2019 in “Immunological investigations” The AIRE gene variant rs2075876 is linked to a higher risk of alopecia areata in males.
37 citations
,
June 2004 in “Human molecular genetics online/Human molecular genetics” The HCR gene contributes to psoriasis risk.
April 2018 in “Journal of Investigative Dermatology” Hair pattern in androgenetic alopecia overlaps with scalp and bone demarcations, with distinct gene profiles affecting susceptibility.
18 citations
,
February 1992 in “Molecular Biology Reports” A specific type II hair keratin was identified and found in hair cortex and tongue cells.
March 2025 in “OncoTargets and Therapy” A specific genetic trait in tumor cells is linked to longer survival without disease in certain lymphoma patients.
2 citations
,
October 2023 in “Frontiers in Immunology” People with rheumatoid arthritis have a higher risk of developing alopecia areata.
17 citations
,
August 2012 in “Journal of Medical Genetics” A new mutation in the XEDAR gene might cause a rare skin condition called hypohidrotic ectodermal dysplasia.
7 citations
,
May 2010 in “Journal of Cutaneous Pathology” A new genetic area linked to a rare hair loss condition was found on chromosome 13 in a Chinese family.
November 2005 in “PubMed” The hairless gene in Kunming mice is important for hair and skin, and shows genetic variations.
51 citations
,
December 2006 in “Mammalian Genome”
26 citations
,
September 2010 in “Experimental Dermatology” Two gene areas linked to male pattern baldness found, more research needed.
14 citations
,
January 1977 in “PubMed” The hair keratin variant is mostly found in Caucasians.
January 2026 in “American Journal of Medical Genetics Part A” A new genetic variant causes trichothiodystrophy in two brothers, but their mother may carry it without showing symptoms.
139 citations
,
September 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the Vitamin D receptor gene can cause hair loss similar to mutations in the Hairless gene.
1 citations
,
April 2016 in “Journal of Investigative Dermatology” Targeting specific T cells may help treat alopecia areata.
2 citations
,
January 2019 in “Annals of Dermatology” Certain gene variations in EGF and EGFR may increase the risk of alopecia areata in Koreans.
57 citations
,
August 1997 in “Pediatrics International” VDDR I and II are genetic disorders affecting vitamin D use, causing rickets, with VDDR I treatable by vitamin D supplements and VDDR II needing high doses and calcium.
January 2008 in “HAL (Le Centre pour la Communication Scientifique Directe)” The mutant HR bmh protein affects hair follicle formation by failing to repress vitamin D receptor activity.
47 citations
,
September 2002 in “Journal of Bone and Mineral Research” A mutation in the vitamin D receptor causes severe resistance to vitamin D, affecting bone health but not hair growth.
25 citations
,
August 2014 in “Endocrinology” Researchers created a mouse model of a type of rickets that does not cause hair loss.
62 citations
,
January 2009 in “Biochemistry” Vitamin D receptor binds similarly to natural and synthetic ligands, affecting gene regulation.
Certain genetic variations are linked to hair loss in Mexican men.
2 citations
,
July 2013 in “Journal of Life Sciences” A 2-year-old girl with a rare vitamin D disorder had rickets and hair loss, but treatment was ineffective due to poor compliance.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
7 citations
,
December 2016 in “Journal of the American Academy of Dermatology” NKG2D+CD4+ T cells are higher in alopecia areata patients and may be involved in the disease.
11 citations
,
April 2019 in “Bioscience Reports” Certain genetic variations in the RAB5B gene are linked to a higher risk of polycystic ovary syndrome in Chinese Han women.
35 citations
,
April 2008 in “Journal of Biological Chemistry” Hirosaki hairless rats lack hair due to missing DNA with key keratin genes.