4 citations
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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.
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.
18 citations
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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.
1 citations
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April 2025 in “Animals” In this study, nucleotide sequence variation in the KRTAP13-3 gene was associated with changes in heterotypic hair fibre diameter variation in Chinese Tan sheep.
3 citations
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October 2024 in “Animals” This study identified three genes in the ovine KAP13 family on chromosome 1 and found that a specific allele of KRTAP13-2 is associated with improved wool fibre diameter uniformity in Chinese Tan sheep, suggesting its potential use as a marker for enhancing wool traits.
29 citations
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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.
6 citations
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May 2020 in “Scientific reports” In this study, microarray and proteomic analyses indicated that genes involved in immune response, receptor binding, and growth factor activity might influence wool fibre diameter in sheep.
June 2026 in “Frontiers in Cell and Developmental Biology” In this study, researchers used single-cell RNA sequencing to map the hair follicle microenvironment in fine-wool sheep, identifying specific cell types and gene expressions that influence wool fiber diameter, with dermal papilla cells playing a significant role in hair follicle development.
35 citations
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April 2014 in “Journal of proteomics” In this study, experimentally induced weight loss in merino sheep led to a decrease in wool fiber diameter and increased expression of certain high sulfur and glycine-tyrosine proteins, potentially impacting wool quality and industry preferences.
March 2024 in “Research Square (Research Square)” This study found that in sheep, the microRNA oar-miR-377 regulates hair follicle development by targeting the SLC24A2 gene, and identified a genetic variation associated with wool quality, suggesting potential markers for breeding.
1 citations
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March 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, a new leave-on hair treatment with Dynagen and zinc salts significantly increased hair growth rate, fibre diameter, and follicle strength in healthy women.
1 citations
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March 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” This study examined wool traits in Angora rabbits using low-coverage whole genome sequencing, identifying six QTLs and a gene, FGF10, linked to fiber growth and diameter, suggesting a cost-effective approach for complex trait analysis in genomic breeding.
20 citations
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July 2010 in “Skin Research and Technology” This study found that aging in Korean individuals is associated with changes in hair diameter and surface structure, as observed through atomic force microscopy.
1 citations
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October 2023 in “Animals” This study explored the genetic basis of fiber diameter in alpacas, identifying candidate genomic regions including four significant areas on VPA6, VPA9, VPA29, and an unassigned scaffold, using whole genome association analysis and a custom SNP microarray.
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.
25 citations
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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.
3 citations
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March 2023 in “Biology” This study identified 2574 differentially expressed genes in the hair follicles of Wan strain Angora rabbits, suggesting that these genes may influence wool fiber diameter and quality.
March 2024 in “International journal of molecular sciences” In this study on Angora rabbits, researchers identified genetic factors influencing wool fiber diameter by analyzing hair follicle proteins, highlighting keratin family members and other proteins as key contributors to fiber differences between coarse and fine wool.
October 2023 in “International journal of molecular sciences” In this study, researchers analyzed the skin proteome of Alpine Merino sheep to identify proteins and pathways related to wool fiber diameter, finding that cyclic adenosine monophosphate and certain signaling pathways may play a role in this trait.
February 2026 in “Small Ruminant Research” This study found that specific genetic variations in the IRF2BP2 gene influence fleece structure in sheep, with one variant completely determining coat type and another significantly modifying fiber characteristics, providing valuable insights for improving fleece quality through selective breeding.
5 citations
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February 2022 in “Animals” This study found that electric shaving was the most effective and safest method for preoperative hair removal in mice, compared to depilatory cream and sodium sulfide, which negatively affected wound healing.
5 citations
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June 2016 in “Twin research and human genetics” In this study, heritability analyses in twins and siblings revealed that genetic factors predominantly influence hair diameter and curvature, with notable sex differences in their genetic impact.
10 citations
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July 2017 in “Archives of Plastic Surgery” This study found that hair diameter varies significantly within the occipital safe donor area, with thicker hair in the upper sections and thinner hair in the lower sections.
7 citations
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October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
34 citations
,
August 2003 in “Clinical and Experimental Dermatology” This study found that hair diameter increases toward the scalp during pregnancy, a novel observation compared to the normal decrease seen in nonpregnant women.
4 citations
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April 1955 in “Textile Research Journal” This study found that the extent of reducing agents' effects on hair fibers was linked to the electrode potential of the reagents used.
This study found that in Chinese Alashan Left Banner White Cashmere goats, guard hair length was positively correlated with guard hair diameter and down fiber length, but not with body weight at first combing.
1 citations
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September 2024 in “Animals” In this study, researchers identified six unique genetic variants of a sheep gene, KRTAP19-3, with specific variants linked to changes in wool fibre traits, such as increased fibre diameter variability, suggesting these genetic differences affect wool characteristics in Chinese Tan sheep.
This study investigated the expression of KRTAP6 gene family in Gansu Alpine fine-wool sheep, finding significant expression during the anagen phase and a negative correlation between KRTAP6-1 and KRTAP6-5 expressions with wool fiber diameter and strength.
August 2024 in “Cosmetics” In this study, a bleaching protocol was developed to evaluate hair repair products, revealing that K18® and Olaplex® improve hair brightness and lightness, with distinct impacts on hair fiber properties.