December 2019 in “Periodicals of Engineering and Natural Sciences (PEN)” Hair analysis can provide insights into a person's medical history and location over time.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
July 2019 in “Journal of Investigative Dermatology” The research found that male pattern hair loss is mostly genetic and involves hair thinning due to hormonal effects and changes in gene expression.
38 citations
,
September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
29 citations
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July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
1 citations
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February 2013 in “InTech eBooks” Genetic mutations cause various hair diseases, and whole genome sequencing may reveal more about these conditions.
8 citations
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May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
5 citations
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June 2023 in “BMC genomics” A specific gene mutation causes long hair in Angora rabbits.
April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
July 2025 in “International Journal of Molecular Sciences” Four new genes related to sheep wool were discovered, showing genetic diversity.
11 citations
,
May 2013 in “Journal of Investigative Dermatology” KRTAP10 proteins help form the hair shaft's tough outer layer by interacting with specific hair keratins.
1 citations
,
October 2024 in “Canine Medicine and Genetics” The MLPH gene is not linked to seasonal hair loss in Rhodesian Ridgeback dogs.
21 citations
,
March 2015 in “Neurological Sciences” A new genetic mutation linked to CARASIL syndrome and small artery disease was found in a Chinese family.
8 citations
,
October 2006 in “Journal of Experimental and Clinical Anatomy”
April 2026 in “Frontiers in Immunology” Certain genes may be linked to autoimmune conditions in people with alopecia areata.
November 2023 in “Вопросы современной педиатрии” Genetic testing can diagnose hair loss linked to DSG4 gene variants.
29 citations
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January 2003 in “Genomics” A new mouse mutation causes skin and hair issues, influenced by another gene.
January 2006 in “Chinese Journal of Dermatology” Shorter GGC triplet repeats in the androgen receptor gene are linked to less hair loss in Han men.
18 citations
,
February 2006 in “Genomics” A new genetic mutation in mice causes permanent hair loss and skin wrinkling.
12 citations
,
March 2004 in “Journal of Investigative Dermatology” Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
21 citations
,
September 1997 in “British Journal of Dermatology” Monilethrix is linked to the type II keratin gene on chromosome 12q13.
April 2023 in “Medizinische Genetik” New research has found 14 genes linked to the risk of developing alopecia areata, improving understanding and treatment options.
6 citations
,
May 2003 in “PubMed” Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
86 citations
,
June 1998 in “Journal of Investigative Dermatology” The hairless gene mutation causes baldness by disrupting hair follicle structure.
84 citations
,
April 2002 in “Archives of Dermatology” Loose anagen hair syndrome may be caused by keratin gene mutations.
April 2017 in “Journal of Investigative Dermatology” A boy with Oculodentodigital syndrome had a unique GJA1 gene mutation causing his symptoms.
119 citations
,
August 2008 in “BMC Evolutionary Biology” KRTAP genes evolved early in mammals, leading to diverse hair traits.
61 citations
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September 2008 in “Stem Cells” Most hair follicle stem cells do not protect their DNA by dividing it unevenly.
January 2005 in “Experimental Dermatology” Genetic factors play a major role in acne.