January 2008 in “Anhui nongye kexue” Mongolia sheep hair follicles grew well in a serum-free medium for 19 days.
109 citations
,
April 1997 in “Archives of Dermatological Research” Mast cell and nerve fiber interactions in mouse skin change with the hair cycle.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
78 citations
,
May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
September 2019 in “Mağallaẗ al-ʿulūm al-ṭabīʿiyyaẗ wa-al-ḥayātiyyaẗ wa-al-taṭbīqiyyaẗ” Camel hair from Afif can be improved for textiles by adding chemicals or blending with other fibers.
January 2012 in “Zhongguo shouyi xuebao” Sheep breeds show different keratin gene expression in the groin, linked to hair follicle density.
36 citations
,
June 1988 in “Australian Journal of Biological Sciences” Mouse epidermal growth factor injections in sheep affected wool growth and skin, but saline did not.
21 citations
,
December 1994 in “British Journal of Dermatology” Sheep dermal papillae can help form hair follicles in skin models.
7 citations
,
October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
April 2024 in “UNESP Institutional Repository (São Paulo State University)” Alpaca skin has glands, hair follicles, and different collagen types.
January 2020 in “International journal of agriculture & biology/International journal of agriculture and biology” Wool traits in sheep are controlled by many genes and environmental factors.
1 citations
,
January 2020 in “Qucosa (Saxon State and University Library Dresden)” Fine hair on bovine leathers is hard to remove, lowering leather quality and value, but can be managed with specific processing methods.
October 2024 in “Journal of Cutaneous Pathology” Compound follicles in folliculitis decalvans mainly have active hair follicles.
29 citations
,
July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
1 citations
,
July 2012 in “Nasza Dermatologia Online” CCCA may be caused by both hair traction and an immune response.
9 citations
,
October 1989 in “Australian Journal of Agricultural Research” Mouse epidermal growth factor temporarily stops wool growth and causes cell changes in Merino sheep.
24 citations
,
September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
11 citations
,
August 1995 in “Journal of Investigative Dermatology”
April 2008 in “Expert review of dermatology” Mutations in the P2RY5 gene cause hereditary woolly hair.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
14 citations
,
July 1983 in “Acta Dermato Venereologica” A method was developed to grow millions of hair cells from a single hair for research and storage.
38 citations
,
July 1993 in “Journal of Investigative Dermatology” 17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
12 citations
,
September 1982 in “Journal of Investigative Dermatology” 7 citations
,
April 2013 in “Animal Production Science” Altering maternal cortisol during pregnancy can improve wool growth in Merino sheep.
18 citations
,
August 2015 in “International Journal of Molecular Sciences” Ovine hair follicle stem cells can regenerate haired skin and may improve wool production.
56 citations
,
January 1970 in “Cell and Tissue Research” April 2021 in “Indian Journal of Animal Research” Goat skin has collagen, elastic, and reticular fibers, with hair follicles increasing in depth as goats age.
83 citations
,
May 2011 in “Experimental Dermatology” Sheep have 17 keratin genes, similar to humans, but with different expression patterns affecting wool and hair.
34 citations
,
September 2007 in “Experimental Dermatology” The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.