October 2014 in “Springer eBooks” Rabbit hair fibers are similar to wool and have a hollow center like feathers.
January 2013 in “Wageningen Academic Publishers eBooks” Proteomics helps understand protein changes in wool fiber development.
January 2013 in “Wool textile journal” 1 citations
,
January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
11 citations
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October 1997 in “British Journal of Dermatology” Wool follicles grew fibres for 8-10 days in a serum-free culture, influenced by calcium, glucose, amino acids, and insulin.
117 citations
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November 2006 in “Experimental Dermatology” The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.
93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
2 citations
,
January 2010 Tianzhu white yak hair varies in structure and density between fuzz and coarse hair.
January 2012 in “International Journal of Trichology” Two siblings have a rare genetic condition causing curly, coarse hair.
October 2019 in “Research Square (Research Square)” Certain circular RNAs may regulate wool follicle growth in sheep.
1 citations
,
January 2012 in “Indian Journal of Small Ruminants (The)” Chegu goats have two types of hair follicles, with primary ones having glands and muscles, and secondary ones lacking them.
1 citations
,
January 2015 in “China Animal Husbandry & Veterinary Medicine” Four keratin genes are crucial for hair growth in Xinji fine wool sheep.
21 citations
,
January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
48 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
5 citations
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January 2021 in “Animal Production Science” Lipid metabolism affects wool fiber diameter in sheep.
41 citations
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January 2001 in “Journal of Investigative Dermatology” 28 citations
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April 1988 in “Archives of Dermatological Research” 44 citations
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October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
2 citations
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September 2017 in “Mehmet Akif Ersoy Üniversitesi Veteriner Fakültesi dergisi” Specific genes influence hair growth and quality in goats and sheep.
June 2026 in “Studia Biologica” Felted wool in these sheep has more sweat and bacteria, altering its fatty acids and making it more prone to felting.
14 citations
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December 1991 in “Annals of the New York Academy of Sciences” MYC protooncogenes may be important for hair growth, but more research is needed.
67 citations
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January 1992 in “Journal of Investigative Dermatology”
July 2024 in “Journal Archives of Health” Woolly hair is a rare genetic condition with no effective treatments.
24 citations
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December 1957 in “Experimental Cell Research” The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
12 citations
,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
12 citations
,
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.
210 citations
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February 2008 in “Nature genetics” Mutations in the P2RY5 gene cause autosomal recessive woolly hair.
4 citations
,
September 2003 in “Livestock Production Science” Epidermal growth factor reduces hair growth, but cortisol does not.
January 2008 in “Anhui nongye kexue” Mongolia sheep hair follicles grew well in a serum-free medium for 19 days.