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3 citations
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October 1994 in “Medical Molecular Morphology” The lower part of rat vibrissa hair gets more blood and is well-protected for growth.
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January 1959 in “Canadian Journal of Chemistry” Human and horse hair have similar end groups to wool and feathers.
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January 2006 in “International Journal of Cosmetic Science” The method shows how hair lipids form specific patterns and their roles in hair structure.
22 citations
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January 1985 Water makes hair more flexible, especially the outer layer.
Transglutaminases help form strong hair by linking proteins, and can potentially alter hair properties.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
62 citations
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December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
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February 2002 in “Journal of Biological Chemistry” HOXC13 is crucial for regulating hair keratin genes in hair follicles.
1 citations
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July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Cysteine strengthens hair, and glutamine fuels hair growth.
23 citations
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April 2003 in “Journal of Structural Biology” Keratin structure changes during keratinization, but the exact model remains uncertain.
24 citations
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November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
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January 2013 in “Human Mutation” A mutation in the HOXC13 gene causes hair and nail problems in a Syrian family.
November 2021 in “International journal of research - granthaalayah” The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.
211 citations
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April 2018 in “Cold Spring Harbor Perspectives in Biology” Keratins are crucial for cell structure, growth, and disease risk.
September 2016 in “Journal of Dermatological Science” Björnstad syndrome causes twisted hair from birth.
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January 1997 in “Birkhäuser Basel eBooks” Keratin proteins and their genes are crucial for hair growth and structure.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
198 citations
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October 1986 in “Differentiation” 38 citations
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February 1989 in “Journal of Investigative Dermatology”
December 2025 in “Brazilian Journal of Hair Health” The Spiral Model helps understand hair growth changes with age and identify hair problems early.
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November 2016 in “American journal of human genetics” Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.
53 citations
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
January 2022 in “Revista Dermatológica Centro Uraga” Monilethrix is a genetic hair disorder affecting hair shape, seen in two brothers.
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July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
July 2007 in “Manuals in biomedical research” 78 citations
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May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
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January 2011 in “生物医学研究杂志:英文版” A new mutation in the KRT86 gene causes monilethrix in a Han family.
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June 2001 in “Journal of biological chemistry/The Journal of biological chemistry” A cluster of sulfur-rich hair protein genes was found on chromosome 17.
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January 2018 in “Advances in experimental medicine and biology”