22 citations
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January 2020 in “PeerJ” Keratin peptides in hair might help identify gender and ethnicity.
September 2024 in “Frontiers in Genetics” A specific genetic marker is linked to male pattern baldness in Han Chinese men.
February 1989 in “PubMed” A genetic hair protein variant is more common in Japanese people and is inherited.
23 citations
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July 2003 in “Journal of Investigative Dermatology” Genetic testing for hairless gene mutations is crucial to correctly diagnose and treat atrichia with papular lesions.
27 citations
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April 2004 in “Biochemical and Biophysical Research Communications” Two new gene clusters important for hair formation were found on human chromosome 11.
December 2022 in “IntechOpen eBooks” Forensic DNA Phenotyping accurately predicts physical traits and is used in investigations, but needs more diverse population data for confirmation.
7 citations
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June 2017 in “Omics” The study developed a method to analyze ancient hair proteins using very small samples.
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.
9 citations
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April 2025 in “Psychoneuroendocrinology” The occipital region is best for measuring cortisol and cortisone, while the posterior vertex is better for OEA, SEA, and PEA.
November 2005 in “PubMed” The hairless gene in Kunming mice is important for hair and skin, and shows genetic variations.
47 citations
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July 2023 in “Nature Genetics” 9 citations
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September 2012 in “Journal of Cosmetic Dermatology” Hair capacitance mapping effectively measures hair surface moisture changes.
August 2024 in “Clinical & experimental pathology” Forensic DNA phenotyping can now predict more physical traits and ancestry from DNA, but further improvements are needed.
8 citations
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December 2020 in “Scientific reports” Selective breeding caused the unique curly hair in Mangalitza pigs.
20 citations
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January 2002 in “Laboratory Animals” Mutations in the hairless gene cause hair loss and skin cysts in rhesus macaques.
11 citations
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January 1987 in “Electrophoresis” Keratin proteins are consistent across different hair types from the same person.
April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
1 citations
,
October 1988 in “Clinics in Dermatology” Scientists identified and cloned specific keratin proteins in mouse hair.
47 citations
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September 2004 in “Journal of Biological Chemistry” Hoxc13 regulates specific hair protein genes on mouse chromosome 16.
3 citations
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March 2010 in “Dermatologica Sinica” A Taiwanese patient had hair loss and skin bumps without the usual gene mutation, suggesting other genetic factors might be involved.
2 citations
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November 1996 in “PubMed” Most people have similar hair protein patterns, but a rare variant was found in two women.
6 citations
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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.
2 citations
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May 2023 in “International Journal of Molecular Sciences” Gene expression in hair follicles can help diagnose methamphetamine use disorder.
1 citations
,
July 2023 in “Forensic science international. Genetics” Hair protein analysis might help identify a person's ethnicity, sex, and age in forensics.
6 citations
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July 2018 in “Advances in Clinical and Experimental Medicine” Different body parts have varying levels of certain hair follicle markers.
January 2026 in “International Journal of Molecular Sciences” Eyebrow follicles are best for accurate genetic testing after stem cell transplants.
2 citations
,
January 2010
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
3 citations
,
January 2013 in “Dermatology” New genetic mutations causing hair loss were found in a Chinese family.
34 citations
,
January 2016 in “Analytical Chemistry” A new method can quickly and accurately detect drugs in hair.