January 2004 in “Linchuang pifuke zazhi” Black hairs have more pigment-related genes, while gray hairs have more keratin-related genes.
November 2022 in “Journal of Investigative Dermatology” A new tool helps study hair follicle cells to develop better treatments for hair disorders.
August 2024 in “STAR Protocols” The document provides a detailed method for analyzing gene expression in skin samples with hair follicles.
15 citations
,
January 1987 in “Electrophoresis” Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
49 citations
,
June 2019 in “eLife” Ancient DNA blocks are still present in human genomes, possibly due to advantages they provide.
7 citations
,
January 2015 in “Case reports in genetics” Using SNP array testing helped quickly find the gene causing Woodhouse-Sakati syndrome in two related individuals.
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.
1 citations
,
March 2004 in “Journal of the American Academy of Dermatology” Certain genes are linked to the risk of developing Alopecia Areata.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
38 citations
,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
January 2016 in “Methods in molecular biology” HAP stem cells in hair follicles could help repair nerves and spinal cords.
24 citations
,
February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Two new proteins, hKAP1.6 and hKAP1.7, are found in the hair follicle cortex.
4 citations
,
July 2020 in “Journal of proteomics” Hair protein composition is similar across different races and shapes.
4 citations
,
December 1995 in “Anthropologischer Anzeiger” Family members have similar hair protein patterns, which could be useful for genetic studies.
September 2025 in “Jurnal Penelitian Pendidikan IPA” Two genetic variations in Moa buffalo help them adapt to heat.
62 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
100 citations
,
December 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Researchers mapped and categorized specific keratin-associated protein genes on human chromosome 21q22.1.
44 citations
,
June 2018 in “Journal of Visualized Experiments” A culturally sensitive method was developed to collect hair samples from African Americans for stress analysis.
44 citations
,
December 2005 in “Journal of Investigative Dermatology” Certain genetic markers, especially the MICA gene, are linked to alopecia areata.
7 citations
,
December 2015 in “International Journal of Dermatology” New and known mutations in the hairless gene cause a hair loss condition called Atrichia with papular lesions.
6 citations
,
April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
January 2026 in “Figshare” January 2026 in “Figshare”
4 citations
,
January 2011 in “Annals of Dermatology” Researchers found a new mutation in the HR gene linked to a rare hair loss condition.
1 citations
,
June 2022 in “Journal of Cosmetic Dermatology” Two specific genetic markers increase the risk of hair loss in Asian populations.
22 citations
,
February 2002 in “European Neuropsychopharmacology” Hair analysis for drugs in psychosis patients is unreliable due to varying hair growth rates.
20 citations
,
October 1995 in “Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression” hHb1, hHb3, and hHb6 mRNAs start expressing at the same time in hair follicles.
Keratin peptides in hair may help identify gender and ethnicity, but more research is needed.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
18 citations
,
April 2018 in “Biotechniques/BioTechniques” A new method was developed to extract and analyze proteins from very short human hairs.