1 citations
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July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
4 citations
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August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
2 citations
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August 2023 in “Development” Hair follicles in the back of the rosette fancy mouse have reversed orientations due to a gene mutation.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
24 citations
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November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
24 citations
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June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
31 citations
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December 2010 in “Journal of the American Academy of Dermatology” Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
24 citations
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January 2018 in “Development” Frizzled 3 and Frizzled 6 together control the orientation of mouse hair follicles.
5 citations
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November 2015 in “Turk Pediatri Arsivi-turkish Archives of Pediatrics” A preterm baby's toes were saved from damage by quickly removing a thread that was cutting off circulation.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
5 citations
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January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
March 2018 in “Journal of Experimental Biology” Hair curliness is caused by the arrangement and length of two different cell types.
70 citations
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June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
1 citations
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January 2018 in “International Journal of Trichology” Circle hairs are harmless, spiral-shaped body hairs that don't need medical treatment.
Early detection and treatment of hair-thread tourniquet syndrome in young girls is important to prevent serious harm.
21 citations
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March 2003 in “Clinical and Experimental Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
9 citations
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July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
3 citations
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October 2024 in “Animals” Crimped wool has proteins linked to crimp formation, while straight wool has proteins linked to fiber fineness, which can improve wool quality and value.
18 citations
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January 1965 in “Stain Technology” 1 citations
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January 2017 in “International Journal of Trichology” A new mutation caused a rare hair disorder in a Polish girl, not inherited from her family.
29 citations
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February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
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.
4 citations
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February 2025 in “BMC Genomics” Black wool in Qira sheep is linked to specific gene mutations, especially in the TYRP1 gene.
2 citations
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December 2013 in “The Journal of Dermatology” January 1999 in “Journal of Investigative Dermatology”
3 citations
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April 2012 in “Bioinformation” Two specific SNPs in the TRPS1 gene cause excessive hair growth by altering the protein's structure.
December 2023 in “Animal research and one health” Certain circular RNAs are crucial for wool growth and curvature in goats.
29 citations
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August 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes cause the rare hair disorder monilethrix.
97 citations
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March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.