A 5 cm hair sample can reveal blood type and keratin type for forensic use.
51 citations
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January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
15 citations
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January 1991 in “Mammalian Genome” 8 citations
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April 1997 in “Experimental Dermatology” hHbl gene is active in hair shaft cells and some pilomatricomas.
1 citations
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February 2013 in “Clinical pediatrics” The baby’s hair loss was due to a rare genetic condition, not treatable by usual methods.
107 citations
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October 2014 in “PeerJ” Hair's molecular structure is mostly consistent, but genetic differences affect lipid types, which could help diagnose diseases.
May 2012 in “Nature Genetics” Blond hair in Solomon Islanders is due to a unique genetic variant, not European ancestry.
34 citations
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January 2004 in “Genomics” A cluster of 21 keratin-associated protein genes important for hair growth was found on human chromosome 21.
21 citations
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June 2009 in “Mammalian genome” A new mutation in the Hr gene causes hair loss in mice, similar to a human hair disorder.
4 citations
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September 2020 in “Journal of Cutaneous Pathology” 6 citations
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April 2023 in “Current Issues in Molecular Biology” A specific gene variant may increase the risk of developing Alopecia Areata.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” A girl with excessive hair growth had a genetic change on chromosome 17 that reduced the activity of two genes linked to hair growth.
54 citations
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January 1995 in “Human Molecular Genetics” Monilethrix is linked to a gene cluster on chromosome 12.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” LIPH mutations cause woolly hair in some Chinese people.
9 citations
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February 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.
2 citations
,
March 2024 in “Pediatric Dermatology” Two siblings have a rare hair condition caused by a new genetic variant.
33 citations
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October 2005 in “Journal of Investigative Dermatology” A specific gene mutation causes sparse, brittle hair in a family.
76 citations
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February 1993 in “Journal of Biological Chemistry” KAP6 genes are conserved across species and active in hair follicles.
July 2005 in “The American Journal of Human Genetics” The AR gene is linked to male-pattern baldness, TNFSF4 to heart disease, SLC19A3 to BBGD, MCT8 to a syndrome, and segmental duplications to genetic variation.
1 citations
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February 2009 in “Clinical Genetics” New genes linked to male pattern baldness were found on chromosome 20p11.
41 citations
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December 1988 in “Journal of Investigative Dermatology” 25 citations
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September 2014 in “SpringerPlus” Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.
April 2020 in “International journal of research in dermatology” An 8-year-old girl has a rare, irreversible hair loss condition caused by a genetic mutation.
2 citations
,
October 2000 in “Journal of Investigative Dermatology” AUC and APL are distinct conditions needing careful clinical assessment.
1 citations
,
June 2022 in “Journal of Cosmetic Dermatology” Two specific genetic markers increase the risk of hair loss in Asian populations.
60 citations
,
March 2006 in “Journal of Medical Genetics” A mutation in the KRTHB5 gene causes hair and nail issues.
126 citations
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October 1998 in “Experimental Dermatology” The hr gene is crucial for skin and hair health, with mutations causing hair disorders.
9 citations
,
June 2017 in “American journal of ophthalmology. Case reports” A new mutation in the CDH3 gene causes hair loss and vision problems in a young girl.
89 citations
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April 2023 in “Forensic Science International Genetics” Forensic DNA Phenotyping can now better predict appearance, ancestry, and age from DNA, but more research is needed for precise police use.
30 citations
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May 2005 in “Pediatric dermatology” Some families have a genetic condition where they are born with irregular scalp defects.