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.
March 2026 in “World Rabbit Science” This study found that overexpression and knockdown of DKK4 influence genes involved in hair follicle growth and development in Angora rabbits and identified specific SNPs in DKK4 associated with wool quality, notably showing that the TT/GG haplotype combination relates to higher fibre diameters.
December 2024 in “Veterinary Sciences” In this study of Zhexi Angora rabbits, researchers found that the fine-wool group exhibited lower fiber diameters and a higher hair follicle density than the coarse-wool group, and they identified key candidate genes potentially regulating wool quality through RNA-seq and genome resequencing techniques.
January 2024 in “International journal of molecular sciences” This study found that higher expression of the Hoxc13 gene in specific areas of hair follicles is associated with longer wool length in Gansu alpine fine-wool sheep.
September 2023 in “Animals” In this study, researchers conducted whole-genome resequencing of eight sheep breeds to identify additional genes associated with wool fineness, revealing 269 genes in fine wool and 319 in coarse wool breeds that are linked to significant traits and pathways.
4 citations
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September 2016 in “World Rabbit Science” This study observed that gene expression differences in Rex rabbits with varying wool densities suggest the involvement of specific genes and signaling pathways, including Shh and Eph, in hair follicle development.
November 2022 in “Animal Bioscience” This study found that adding methionine to a low-protein diet improved wool production and feed efficiency in Angora rabbits by promoting hair follicle development through mechanisms involving IGF1, KAP, and versican signaling.
10 citations
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June 2024 in “Frontiers in Genetics” This study analyzed RNA-seq data from various animal breeds and suggested that similar molecular mechanisms may underlie wool fineness in different sheep breeds. Researchers identified 32 candidate genes related to hair follicle regulation, providing insights for molecular breeding and evolutionary studies.
December 2023 in “Animal research and one health” This study investigated circRNA expression in Zhongwei goat skin at different growth stages and found that certain circRNAs, such as circRNA8782 and circRNA3173, may play roles in regulating wool curvature by affecting signaling pathways and fibroblast proliferation.
January 2012 in “Heilongjiang xumu shouyi” This study found that EGF and KGF were expressed at different levels in the skin of Gansu alpine Merino sheep, suggesting these factors influence wool fineness.
14 citations
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June 2022 in “BMC genomics” This study identified key genes involved in hair follicle development in Merino sheep, offering insights for improving wool production and providing a basis for future breeding programs.
February 2022 in “Research Square (Research Square)” This study identified candidate genes related to hair follicle development in Merino sheep, providing insights for improving sheep wool quality and potentially understanding human hair growth mechanisms.
10 citations
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July 2022 in “Electronic Journal of Biotechnology” This study found that the methylation level of the IGFBP4 promoter is negatively correlated with mRNA expression and may serve as an epigenetic marker for wool fineness in Super Merino sheep.
January 2025 in “International Journal of Biological Macromolecules” This study found that decorin treatment significantly enhances dermal papilla cell proliferation, promoting hair follicle growth by influencing the SMAD3/TGF-β signaling pathway through exosomal miR-129–2-3p, which may aid in novel strategies for treating hair disorders and enhancing wool production.
37 citations
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October 2013 in “PLoS ONE” This study provides new insights into the identification and expression patterns of miRNAs in wool follicles, which could improve understanding of wool follicle development in sheep.
January 2013 in “Wageningen Academic Publishers eBooks” This study explored proteomics to investigate protein changes during protein synthesis and keratinization in maturing wool fiber, but the relationship to fibre development remains largely unknown.
July 2022 in “Research Square (Research Square)” This study found that miR-23b and miR-133 significantly reduce mRNA and protein levels of specific target genes involved in Merino sheep hair follicle development, providing insight into molecular breeding for fine wool production.
September 2025 in “Animals” In this study, researchers using Astral—DIA proteomics technology identified 67 differentially expressed proteins in Gansu alpine fine-wool sheep, linking proteins like keratin and MGST3 in pathways to wool fineness regulation, particularly highlighting their association with hair follicle development.
4 citations
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March 2024 in “Cells” This study found that the microRNAs oar-miR-23b and oar-miR-133 inhibit the proliferation and migration of sheep dermal fibroblasts, impacting the development of hair follicles in superfine wool sheep by targeting the genes TGFβ2 and NOTCH1.
August 2023 in “Research Square (Research Square)” This study found that two microRNAs, oar-miR-23b and oar-miR-133, inhibit the development of hair follicles in superfine wool sheep by targeting genes involved in key signaling pathways, suggesting their potential use as molecular markers for breeding fine wool sheep.
16 citations
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January 2015 in “Genetics and Molecular Research” This study conducted de novo transcriptome sequencing in sheep skin, identifying and annotating numerous unigenes, which may aid in improving wool quality and understanding hair follicle development.
June 2023 in “Historical records of Australian science/Historical Records of Australian Science” This biographical abstract highlights George Rogers' pioneering contributions to the understanding of keratin molecular structure and keratinisation biochemistry, including the application of electron microscopy to hair ultrastructure and the discovery of enzymes and gene transcription processes relevant to keratin proteins.
15 citations
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January 1999 in “Reproduction Fertility and Development” This study conclusively demonstrated that in Merino fetuses, secondary follicle initiation is completed several weeks before birth, with a peak 16 days prior and lower levels observed at and after birth.
January 2024 in “Kafkas Universitesi Veteriner Fakultesi Dergisi” In this study, researchers found that oar-miR-377 regulates secondary hair follicle development in sheep by downregulating the SLC24A2 gene, and a specific SNP in oar-miR-377 is significantly associated with wool fiber diameter variation in Chinese Merino sheep.
17 citations
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June 2020 in “Animals” This study identified differentially expressed mRNAs and lncRNAs in Hu sheep hair follicles, suggesting certain genes and pathways are involved in the development of wool curvature patterns.
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.
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.
9 citations
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April 2019 in “Bioscience, biotechnology, and biochemistry” This research identified key miRNAs involved in sheep fetal hair follicle development, highlighting the prolactin signaling pathway and platelet activation as critical processes in secondary follicle initiation.
December 2025 in “Frontiers in Veterinary Science” In this study, researchers explored hair follicle development in Qianhua Mutton Merino sheep, identifying key genes like KRT27 and IGF-2 that impact this process, with findings suggesting significant molecular changes as sheep mature from newborn to one year old.
1 citations
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November 2024 in “Genes” This study suggests that miR-144 influences hair follicle dynamics through its impact on Lhx2, which could lead to advancements in cashmere production, fleece quality, and treatments for hair growth disorders.