98 citations,
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.
53 citations,
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.
51 citations,
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.
48 citations,
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.
42 citations,
January 2017 in “Genes” The gene KAP22-1 affects wool yield and fiber shape in sheep.
27 citations,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
17 citations,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Mutations in hKAP1 genes may cause hereditary hair disorders.
14 citations,
April 2016 in “PloS one” The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.
11 citations,
January 2015 in “Skin pharmacology and physiology” Eating collagen peptides may help with skin and hair growth.
10 citations,
November 2021 in “International journal of molecular sciences” Sheep and goat hair fibers are complex due to keratin-associated proteins, which are important for fiber properties and growth.
8 citations,
March 2004 in “Mammalian genome” KAP genes are crucial for hair development and show both shared and unique traits in humans, chimpanzees, and baboons.
7 citations,
July 2019 in “Animals” The KRTAP21-1 gene affects wool yield and can help improve wool production.
6 citations,
April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
4 citations,
January 2020 in “Genes” The KRTAP21-2 gene affects wool length and quality in sheep.
2 citations,
March 2023 in “BMC ecology and evolution” Some hair protein genes evolved early and were adapted for use in hair follicles.
2 citations,
January 2017 in “Folia biologica” The KRTAP7-1 gene is very similar across different cattle and yak breeds and likely plays a role in hair strength and shape.
1 citations,
September 2023 in “Animals” A new goat gene affects cashmere fiber thickness; certain variations can make the fibers coarser.
1 citations,
April 2023 in “Langmuir” Damaged hair allows water to penetrate more easily, and fatty acids from shampoos can deposit on hair surfaces.
January 2024 in “Journal of camel practice and research/Journal of Camel Practice and Research” Certain genetic variations in camels affect hair coarseness.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
16 citations,
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.
November 2022 in “Research Square (Research Square)” Keratin-associated proteins have ancient origins and were used for different purposes before being adapted for hair in mammals.
98 citations,
May 2016 in “Genes” Understanding wool keratin-associated proteins in sheep can help improve wool quality through selective breeding.
46 citations,
June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
18 citations,
September 2018 in “The Journal of Agricultural Science” Genetic variation in the KRTAP15-1 gene affects wool yield in sheep.
The KRTAP36-2 gene in sheep affects wool yield.
65 citations,
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.
January 2024 in “Journal of Hard Tissue Biology” A high-fat diet may weaken tongue structure by reducing certain protein genes.
41 citations,
November 2020 in “Colloids and surfaces. B, Biointerfaces” Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.
January 2023 in “Czech Journal of Animal Science” Proteins influence the quality and traits of cashmere goat fleece, affecting hair strength and diameter.