3 citations
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August 2018 in “Journal of Structural Biology” KAP8.1 protein is crucial for hair structure and interacts with keratin 85.
1 citations
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January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
February 2026 in “BMC Genomics” MEG3-miRNAs help control wool traits in young Tan sheep by regulating immune responses, but their decline with age leads to wool changes.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
KRTAP6 genes affect wool quality in sheep.
208 citations
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December 2003 in “Journal of Investigative Dermatology” Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.
112 citations
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September 2021 in “BMC Biology” Key genes and factors crucial for hair follicle development and wool traits in Merino sheep were identified.
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.
66 citations
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September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
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.
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.
47 citations
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June 2017 in “The FEBS journal” Disabling the FGF5 gene in sheep leads to longer wool.
47 citations
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June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
23 citations
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April 2003 in “Journal of Structural Biology” Keratin structure changes during keratinization, but the exact model remains uncertain.
22 citations
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January 2006 in “Journal of Structural Biology” Hair follicles form hard α-keratin filaments in four steps, showing structural differences.
18 citations
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August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
17 citations
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June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
13 citations
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May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
9 citations
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November 2022 in “Biology” Key genes and pathways influence wool traits in Merino sheep.
8 citations
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July 2011 in “Animal science journal” Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.
7 citations
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July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
7 citations
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February 1985 in “Textile Research Journal” Cellular debris sticks to damaged wool fibers and affects wool cleanliness.
6 citations
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October 2018 in “Endocrinology” Prenatally androgenized ewes can model increased hair diameter in women with PCOS.
5 citations
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January 1988 Only two of the four keratin genes are expressed in wool fibers.
4 citations
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September 2016 in “World Rabbit Science” High wool density in Rex rabbits is linked to specific gene activity affecting hair follicle development.
2 citations
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February 2025 in “PLoS ONE” Key proteins influence wool quality by affecting hair follicle development in sheep.
2 citations
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December 2019 in “Textile Research Journal” L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.
1 citations
,
March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
3 citations
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October 2024 in “Animals” Crimped wool has proteins linked to crimp formation, while straight wool has proteins linked to fiber fineness, which can improve wool quality and value.
19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.