3 citations
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July 2012 in “Sokoto Journal of Veterinary Sciences” As sheep age, their hair fibers and follicles grow larger and more organized, with no significant differences between males and females.
January 2012 in “International Journal of Trichology” Two siblings have a rare genetic condition causing curly, coarse hair.
May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A mutation in the KRT74 gene causes woolly hair by affecting hair texture.
January 2024 in “Journal of camel practice and research/Journal of Camel Practice and Research” Certain genetic variations in camels affect hair coarseness.
51 citations
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September 2012 in “Gene” The research identified a gene in sheep important for wool quality, which could help improve wool traits.
22 citations
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September 1982 in “Journal of ultrastructure research” Wool follicle cells are more complex than previously thought.
January 2013 in “Wool textile journal” 7 citations
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July 2019 in “Animals” The KRTAP21-1 gene affects wool yield and can help improve wool production.
5 citations
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January 2021 in “Animal Production Science” Lipid metabolism affects wool fiber diameter in sheep.
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.
29 citations
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July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
January 2014 in “China Animal Husbandry & Veterinary Medicine” The KAP8-1 gene affects skin, hair follicle development, and wool quality in different sheep varieties.
13 citations
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February 2019 in “Zoology” Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.
12 citations
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January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
2 citations
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September 2020 in “Schweizer Archiv für Tierheilkunde” Swiss Holstein cattle with curly, short hair carry genes from the Simmental breed.
191 citations
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November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
3 citations
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January 2025 in “动物学研究” The gene GJA1 is important for regulating coarse hair density in goats.
27 citations
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March 2018 in “Journal of Experimental Biology” Wool fibre curvature is due to longer orthocortical cells compared to paracortical cells.
78 citations
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May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
12 citations
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October 1947 in “Journal of the Society of Dyers and Colourists” Mercuric acetate makes wool unshrinkable by changing its elastic properties.
October 2012 in “Advanced Materials Research” Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.
40 citations
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February 1994 in “Journal of Investigative Dermatology”
July 2024 in “Journal Archives of Health” Woolly hair is a rare genetic condition with no effective treatments.
23 citations
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May 2020 in “Cell Death and Disease” Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.
October 2019 in “Research Square (Research Square)” Certain circular RNAs may regulate wool follicle growth in sheep.
1 citations
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January 1992 in “Bangladesh Journal of Animal Science” Camel skin has typical mammalian layers, with hair follicles, glands, and muscles, varying by body area.
2 citations
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January 2010 Tianzhu white yak hair varies in structure and density between fuzz and coarse hair.
26 citations
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January 2011 in “Open Journal of Genetics” The KAP13-3 gene in sheep affects wool quality by influencing keratin assembly.
53 citations
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October 2003 in “Genetics” The mK6irs1/Krt2-6g gene likely causes wavy hair in mice.