3 citations
,
August 2024 in “Molecular Biology Reports” This study found that the lncRNA018392, responsive to melatonin, accelerates cell proliferation in cashmere goats by recruiting the transcription factor SPI1 to upregulate the nearby gene CSF1R, which may explain the molecular mechanisms of cashmere growth.
This study analyzed the genetic variations of the KAP20-1 gene in Chinese Tan sheep lambs and found that the G variant was linked to an increased mean fibre curvature in their fine wool fibres, potentially influencing breeding strategies for this wool trait.
1 citations
,
August 2024 in “Animals” This study suggests that variations in α-keratin proteins influence the structure and characteristics of wool fibers, indicating that keratin genes could serve as useful markers for identifying different wool traits.
4 citations
,
July 2024 in “Animals” In this study on Chinese Tan sheep, researchers discovered a variant of the KRTAP19-5 gene associated with decreased curvature of fine wool fibres, highlighting potential genetic markers for improving wool quality.
4 citations
,
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.
This study identified a new gene in sheep, KRTAP36-2, discovering variants associated with wool yield. Variations in this gene were linked to the efficiency of fleece conversion from greasy to clean, which may enhance wool production.
1 citations
,
September 2023 in “Animals” This study found that genetic variants in the goat KRTAP22-2 gene are associated with the mean fiber diameter of cashmere in Longdong Cashmere goats, suggesting these variants could serve as molecular markers for improving cashmere traits.
1 citations
,
July 2023 in “Journal of Animal Science and Biotechnology” This study discovered that lambs with coarse, ancestral-like wool in a population of modern fine wool sheep exhibited overexpression of the SOSTDC1 gene, linked to epigenetic changes, which helps understand the development and diversification of wool types in sheep breeding.
1 citations
,
January 2023 in “Frontiers in genetics” This study identified specific genetic markers related to wool quality in Rambouillet sheep, which may aid breeders in making informed selection and breeding decisions for improved fine wool production.
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
,
August 2022 in “Animals” In this study, a specific genetic variant of KRTAP6-2 in Longdong cashmere goats was associated with finer cashmere fiber diameter, suggesting its potential as a molecular marker for breeding improvements.
3 citations
,
August 2022 in “Archives animal breeding/Archiv für Tierzucht” This study found that specific genetic variants of the KAP22-1 gene in Egyptian sheep breeds were significantly associated with wool traits like crimp, staple length, kemp score, and greasy color grade, suggesting their potential use in breeding programs.
10 citations
,
November 2021 in “International journal of molecular sciences” This review discusses the role of keratin-associated proteins in the growth and characteristics of wool and hair fibres from sheep and goats, and highlights areas for future research, but it presents no new findings.
3 citations
,
November 2021 in “Frontiers in Genetics” This study suggests that the CXCL8 gene may regulate cashmere fineness in Liaoning cashmere goats, providing new insights into the cellular mechanisms of cashmere growth and quality.
4 citations
,
January 2020 in “Genes” This study found that genetic variation in the KRTAP21-2 gene among crossbred Merino lambs was associated with differences in wool traits, particularly mean staple length.
24 citations
,
October 2019 in “Genes” In this study, the identification of a novel KAP gene in sheep, named KRTAP36-1, was associated with increased prickle factor in wool, suggesting its potential as a genetic marker for breeding purposes.
7 citations
,
July 2019 in “Animals” This study identified a new ovine KRTAP21-1 gene variant in sheep, with wool yield affected by the variant, suggesting its potential as a genetic marker for improving wool production.
25 citations
,
April 2019 in “Animals” In this study, KRTAP28-1 variants were associated with wool fibre diameter in sheep, suggesting potential as a gene marker for reducing fibre diameter.
30 citations
,
March 2019 in “Archives animal breeding/Archiv für Tierzucht” In this study, variation in the KRTAP15-1 gene in goats was linked to changes in cashmere fibre diameter, with specific variants showing dominant or recessive effects.
18 citations
,
September 2018 in “The Journal of Agricultural Science” In this study, the presence of certain KAP15-1 gene variants in sheep was associated with differences in wool yield and fiber characteristics.
3 citations
,
May 2018 in “The Indian Journal of Animal Sciences” This study suggests that the KAP 7 gene may serve as a potential molecular marker for genetic selection to improve staple length and greasy fleece weight in Rambouillet sheep.
8 citations
,
December 2017 in “Small Ruminant Research” This study reports that variation in the ovine TCHH gene may influence wool fibre curvature, with specific gene variants affecting the mean fibre curvature in sheep.
17 citations
,
November 2017 in “Asian-Australasian journal of animal sciences” This study found that mutations in certain keratin genes significantly affect wool traits in Chinese Merino sheep, suggesting these genes could be important for sheep breeding to improve wool quality.
17 citations
,
October 2017 in “Scientific reports” This study found that Super Merino sheep have a higher wool follicle density, finer fleece, and distinct gene expression compared to Small Tail Han sheep, which may inform future breeding and genetic interventions.
29 citations
,
September 2017 in “Genes” This study found that in Merino-Southdown cross sheep, the presence of the C variant of the KRTAP26-1 gene was associated with higher wool quality, including increased wool yield and staple length.
42 citations
,
January 2017 in “Genes” This study observed that genetic variation in the ovine KRTAP22-1 gene is linked to increased wool yield and decreased fiber curvature in sheep, indicating its potential use in breeding programs.
98 citations
,
May 2016 in “Genes” This review explains the genetic diversity of sheep wool keratin-associated protein genes and explores how this variation might be leveraged for selective breeding to enhance wool fiber traits.
51 citations
,
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.
12 citations
,
August 2011 in “Asian-Australasian Journal of Animal Sciences” This study found that polymorphisms in the KAP8.1 gene were significantly associated with cashmere weight, length, and guard hair length in Chinese Inner Mongolian Cashmere goats, but not with fibre diameter.
8 citations
,
July 2011 in “Animal science journal” The researchers reported that keratin 33A is a structural protein specific to goat cashmere hair, with increased winter expression in high-cashmere-producing breeds.
83 citations
,
May 2011 in “Experimental Dermatology” In this study, researchers identified nine new sheep keratin genes, highlighting species-specific differences in the expression and compartmentalization of wool-related keratin genes compared to humans.
26 citations
,
January 2011 in “Open Journal of Genetics” In this study, researchers identified five unique sequences of the ovine KAP13-3 gene, with potential implications for wool traits due to observed amino acid changes.
234 citations
,
November 2009 in “American journal of human genetics” This study identified genetic variants in the Trichohyalin gene that account for approximately 6% of the variance in hair morphology among Australians of European descent.
3 citations
,
December 2008 in “Frontiers of Agriculture in China” This study identified and sequenced a goat hair keratin cDNA that matches closely with its sheep counterpart, showing strong expression in hair follicle cortex.
119 citations
,
August 2008 in “BMC Evolutionary Biology” This study found that while the KRTAP gene family is unique to mammals, humans have a similar number of these hair gene types as other primates despite having less body hair.
50 citations
,
July 2008 in “British Journal of Dermatology” 51 citations
,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” This study identified a novel keratin-associated protein, KAP24.1, which is specifically expressed in the human scalp and located in the hair cuticle.
53 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” This article reviews extensive genetic polymorphisms in the keratin-associated proteins of human hair, indicating complexity but reporting no new clinical results and calls for further research on their potential impact on hair structure.
79 citations
,
March 2005 in “Journal of Medical Genetics” This study identified a novel heterozygous missense mutation in the hHb3 gene associated with monilethrix, highlighting its role in this hair disorder.
108 citations
,
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.
272 citations
,
September 2001 in “Journal of Biological Chemistry” This study cataloged human type II hair keratins, detailing their expression and differentiation roles in hair follicles and comparing them with type I keratins to explore keratin-pairing principles.
235 citations
,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” This study establishes a catalog of human type I hair keratins and identifies their specific roles and expression patterns during hair differentiation and growth in scalp follicles.
100 citations
,
November 1997 in “Human Genetics” In this study, researchers found that the prevalent Glu 410 Lys mutation in hHb6 and a new Glu 403 Lys mutation in hHb1 are linked to monilethrix, suggesting a mutational hotspot in type II hair keratins.
175 citations
,
August 1997 in “Nature Genetics” 228 citations
,
January 1997 in “Birkhäuser Basel eBooks” This article integrates existing literature on hair follicle structure and formation at the cellular and molecular level, reporting no new findings.
35 citations
,
September 1994 in “Journal of Investigative Dermatology” 15 citations
,
January 1993 in “DNA sequence” This study sequenced a related gene to KRT2.9 called KRT2.13, which encodes a type II keratin protein not expressed in the hair follicle, and found significant sequence homology suggesting possible gene conversion or conservation of functional sequences.
65 citations
,
February 1992 in “Development” This study characterizes a type II keratin intermediate filament gene family involved in early sheep follicle differentiation, detailing gene expression patterns and sequences in hair cortical cells.
67 citations
,
December 1990 in “The journal of cell biology/The Journal of cell biology” This study identified two evolutionarily conserved ultra-high-sulfur keratin proteins in human and sheep hair follicles, which are specifically expressed in the hair cuticle during the late stages of fiber development.