September 2025 in “Animal Bioscience” This study found that triglyceride and energy metabolic pathways are crucial factors influencing wool fiber diameter in fine-wool Alpine Merino sheep, providing insights for enhancing wool quality.
April 2003 in “Experimental Dermatology” This workshop review from the Australian Hair and Wool Research Society discusses findings in cutaneous biology and endocrinology but presents no new research results.
June 2026 in “Studia Biologica” This study found that in semi-coarse wool sheep of the Ukrainian Carpathian Mountain breed, changes in microflora and grease composition are linked to increased felting in wool, due to wetter, more alkaline fleece conditions that promote bacterial and mold growth and alter fatty acid balances.
December 2024 in “Frontiers in Veterinary Science” This study on Dorper sheep identified important genetic factors influencing hair follicle development, finding that expression patterns and genes like DBI, FZD3, and ZDHHC21 play a crucial role in wool shedding, which could help improve understanding of mammalian skin-related traits and human hair advancement.
January 2021 in “Research Square (Research Square)” This study mapped copy number variations in Chinese fine-wool sheep, identifying regions linked to important traits like milk production and growth, and highlighting a strong selection signal at the RXFP2 gene.
This study constructed a genomic map of copy number variations in fine-wool sheep, revealing their potential impact on traits like growth, nutrient metabolism, and susceptibility to selection pressures.
23 citations
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May 2020 in “Cell Death and Disease” This study generated FGF5-knockout Dorper sheep using the CRISPR/Cas9 system, resulting in significantly increased fine-wool and active hair-follicle density, and explored downstream signaling pathways for potential applications in androgen alopecia treatment.
6 citations
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April 2022 in “Frontiers in cell and developmental biology” This study identified differentially expressed proteins and pathways potentially involved in wool bending in Zhongwei goats, with specific genes like COL6A1 and CRNN emerging as important candidates in this process.
3 citations
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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.
October 2023 in “Animal production science” This study investigated how vitamin A deficiency, certain diseases, and pregnancy affect cattle coat hair structure, finding notable keratin fibril interference under vitamin A deficiency and structural modifications in chronic renal failure, while pregnant cows exhibited superior hair tensile strength compared to non-pregnant ones.
In this study, biotin supplementation was found to significantly increase wool follicle viability and metabolic activity in vitro, with the highest effects observed at 0.5 mg L⁻¹ concentration.
January 1963 in “Stain technology” This study describes a staining technique that differentiates medullary from cortical keratin in sheep and goat hair using Ziehl-Neelsen's carbol-fuchsin in skin biopsy sections.
10 citations
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October 2016 in “Journal of Biomolecular NMR” This study reported that using 2D solid-state NMR techniques on extensively labeled mouse fur improves resolution in detecting chemical shifts and secondary structure features, potentially aiding the analysis of the effects of commercial or therapeutic treatments on specific amino acids.
1 citations
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May 2025 in “Scientific Reports” In this study, researchers analyzed skin tissues from two types of Jinlan Cashmere Goats and identified crucial non-coding RNA mechanisms potentially impacting cashmere yield, revealing significant DE lncRNAs, mRNA expressions, and pathways relevant to cashmere quality improvement.
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.
August 2025 in “Animal Bioscience” In this study, researchers examined the methylation patterns in the skin tissues of Alpine Merino sheep with varying wool fiber diameters, finding that specific methylated RNAs linked to the Wnt, Notch, and TGF-ẞ signaling pathways may influence fiber diameter and potentially improve wool quality.
This study identified new geometric and mechanical parameters for curly and kinky/coily hair, which may inform more effective personal care products tailored to these hair types.
This study used quantitative methods to identify new geometric and mechanical parameters of curly and kinky/coily hair, aiming to improve classification and develop better personal care products for these hair types.
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.
47 citations
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September 2011 in “Acta biomaterialia” This study observed that increasing the γ-kerateine content in meta-kerateine materials led to reduced elasticity, solidity, and hydrolytic stability, and decreased hepatocyte attachment support.
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.
50 citations
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March 2001 in “Clinics in dermatology” This paper reviews the complex anatomy and development of human hair and emphasizes the need to understand these processes for interpreting drug incorporation into hair, with no new clinical results reported.
15 citations
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January 2018 in “Advances in experimental medicine and biology” This review discusses recent advances in understanding the structural hierarchy of trichocyte keratins, including their heterodimeric structure and distinct conformations impacting hair growth, with no new experimental results reported.
3 citations
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August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
January 2016 in “Japanese Journal of Oral & Maxillofacial Surgery” This case report documents a trichofolliculoma of the upper lip in a 70-year-old woman, highlighting its clinical presentation and successful surgical removal without recurrence.
9 citations
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October 1989 in “Australian Journal of Agricultural Research” This study found that infused mouse epidermal growth factor induced wool follicle involution through a quasi-physiological process similar to catagen and a separate pathological action, resulting in fleece 'break' or shedding.
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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February 2023 in “Journal of Natural Fibers” This study found that Magra sheep with high-luster wool exhibited significantly higher expression of keratin genes, suggesting that increased keratin protein levels may be crucial for wool luster.
252 citations
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January 1991 in “Electron Microscopy Reviews” 70 citations
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June 1998 in “Polymer” This study found that permanent waving treatment partially disrupts the α-helical structure in human hair microfibrils, primarily during the initial reduction phase, rather than just affecting disulphide bonds.