16 citations
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January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
9 citations
,
December 2018 in “Journal of Natural Fibers” Magra sheep's wool luster is linked to specific keratin gene expression and protein variations.
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.
46 citations
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
2 citations
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August 1987 in “Analytical Biochemistry” A new method isolated previously undetected hair proteins rich in glycine and tyrosine.
24 citations
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November 1997 in “Journal of Biological Chemistry” Mouse high-glycine/tyrosine proteins have distinct patterns in hair follicles, peaking at specific hair cycle days.
23 citations
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January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
12 citations
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August 1984 in “Genetics Research” The N gene affects the protein makeup of mouse hair.
226 citations
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January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
2 citations
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March 2023 in “BMC ecology and evolution” Some hair protein genes evolved early and were adapted for use in hair follicles.
119 citations
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August 2008 in “BMC Evolutionary Biology” KRTAP genes evolved early in mammals, leading to diverse hair traits.
53 citations
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June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” KAP genes show significant genetic variability, but its impact on hair traits is unclear.
35 citations
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April 2014 in “Journal of proteomics” Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.
15 citations
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
Hydrophobic modifications make human hair less affected by water.
5 citations
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January 1981 Keratin proteins in hair are complex and come from multiple gene families.
16 citations
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March 2020 in “Animal Biotechnology” Transgenic sheep embryos with a specific promoter were successfully created, but more research is needed for gene expression in hair follicles.
76 citations
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February 1993 in “Journal of Biological Chemistry” KAP6 genes are conserved across species and active in hair follicles.
65 citations
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September 2014 in “BMC genomics” Different hair types in mammals are linked to variations in specific protein genes, with changes influenced by their living environments.
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.
May 2025 in “Journal of Developmental Biology” Jawless vertebrates have teeth proteins similar to those in mammalian hair and nails.
7 citations
,
May 2022 in “PLOS ONE” Certain genes and pathways are linked to the production of finer and denser wool in Hetian sheep.
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.
2 citations
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January 1973 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Brown skin in guinea pigs has more ascorbic acid and related enzymes, black skin uses ascorbic acid well, and white skin has the most protein.
51 citations
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September 2012 in “Gene” The research identified a gene in sheep important for wool quality, which could help improve wool traits.
98 citations
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June 2001 in “Journal of biological chemistry/The Journal of biological chemistry” A cluster of sulfur-rich hair protein genes was found on chromosome 17.
62 citations
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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.
12 citations
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February 1998 in “Gene” The B2 genes are crucial for hair growth in rats.
48 citations
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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.
24 citations
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October 2019 in “Genes” A new sheep gene, KRTAP36-1, may help breed sheep with better wool by reducing prickle factor.