This study analyzed inner root sheath-specific genes in Tan sheep during various growth stages, finding peak expression at birth. The pattern of genes KRT71, KRT72, and TCHH is consistent with wool crimp, potentially influencing wool morphology.
4 citations
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May 2024 in “Genes” Among Merino × Southdown cross sheep, this study found that certain variants of the KRT81 gene were associated with differences in fleece weight, but not with staple length or fibre diameter traits.
This study found that expression and variants of the KRT84 gene are associated with important wool traits in Gansu Alpine Fine-wool sheep, suggesting its potential use as a genetic marker for wool trait selection.
September 2022 in “Canadian journal of animal science” This study found that polymorphisms in KRTAP13.1, KRTAP27-1, and KRTAP24-1 were significantly associated with fiber diameter in Jiangnan cashmere goats, which may aid future breeding and conservation efforts.
2 citations
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September 2022 in “Frontiers in genetics” This study found that cashmere has a significantly smaller mean fiber diameter compared to sheep and goat wool, and identified key proteins that may influence this difference.
July 2022 in “New Zealand journal of agricultural research” This study found that variation in the ovine KRTAP27-1 gene may influence wool growth, with certain genotypes associated with higher mean staple length and greasy fleece weight in sheep.
3 citations
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December 2021 in “Proteins” This study found that straight crimp mutant wool differs from crimpy wool in the layout of cortical cells and the relative proportions of keratin and keratin-associated proteins.
65 citations
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March 2017 in “Experimental Dermatology” This review discusses the genetic and biological factors influencing hair curliness, revealing strong links to specific protein variations, and reports no new clinical results.
1 citations
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January 2015 in “China Animal Husbandry & Veterinary Medicine” This study identified four keratin genes associated with hair follicle development that were expressed more highly in super fine wool Xinji sheep compared to fine wool sheep.
51 citations
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September 2012 in “Gene” In this study, researchers identified a putative ovine KAP24-1 gene in sheep, revealing four unique DNA sequences with some similarity to KRTAP24-1 sequences from other species.
92 citations
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January 2012 in “International Journal of Biological Sciences” This article proposes an updated naming system for keratin-associated proteins and genes, aiming to improve data storage and retrieval by including species information and genetic variation.
95 citations
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March 2009 in “Differentiation” Gene expression in wool follicles changes with growth cycles, offering insights into wool and human hair growth.
69 citations
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January 2009 in “Advances in Materials Science and Engineering” This study demonstrated that keratin can be effectively extracted from wool using alkaline solutions and that the extracted keratin maintains reactivity similar to that from other low-value sources like cattle hair.
7 citations
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July 2008 in “Experimental Dermatology” This study identified molecular elements controlling the expression and stabilization of THH protein in hair follicle cells, revealing key mechanisms that support hair shaft development in mice.
38 citations
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December 2006 in “Journal of Investigative Dermatology” Keratin patterns in hair follicles help understand hair growth and potential hair and nail disorders.
117 citations
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November 2006 in “Experimental Dermatology” This review explores the biology of wool follicles and suggests their potential use as research models in modern biology, but it reports no new findings.
93 citations
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July 2006 in “Journal of Investigative Dermatology” This study describes the expression patterns of type I inner root sheath keratin proteins K25–K28 in human hair follicles, highlighting their distinct distribution within different layers.
108 citations
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October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” This study documents that trichohyalin acts as a multi-functional cross-bridging protein in the inner root sheath of mouse hair follicles, enhancing mechanical strength by linking keratin filaments to the cell envelope.
98 citations
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December 1991 in “Annals of the New York Academy of Sciences” This study found that conserved DNA motifs and expression patterns in keratin genes suggest functional regulatory similarities in hair follicle differentiation across different mammalian species.
