86 citations
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May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
69 citations
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January 2009 in “Advances in Materials Science and Engineering” Wool keratin is reactive, biocompatible, biodegradable, and can model keratin from other sources.
43 citations
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July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
48 citations
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January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
March 2009 in “Encyclopedia of Life Sciences” Mutations in keratin genes cause skin disorders, but new treatments show promise.
318 citations
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October 1998 in “The Journal of Cell Biology” Keratin 17 is important for skin development and may help define skin cell types.
98 citations
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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.
October 2023 in “Materials chemistry and physics (Print)” Adding keratin to a mix of cow hair and plant-based plastic makes it stronger.
The trichohyalin gene is located at chromosomal region 1q21 with other skin-related protein genes.
139 citations
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December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” K6hf is a unique protein found only in a specific layer of hair follicles.
50 citations
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April 2019 in “Journal of Biosciences” 86 citations
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April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
6 citations
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October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
28 citations
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October 1985 in “The Journal of Cell Biology” Researchers isolated and identified structural components of human hair follicles, providing a model for studying hair formation.
23 citations
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April 2003 in “Journal of Structural Biology” Keratin structure changes during keratinization, but the exact model remains uncertain.
January 2026 in “Biomaterials and Biosystems” Keratin from chicken feathers can be safely used on damaged skin.
128 citations
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March 1989 in “Experimental Cell Research” Hoxc13 is important for hair and tongue development by controlling hair keratin genes.
15 citations
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
1 citations
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October 2017 in “Frontiers in Physiology” Hair follicle keratin may have been used in tooth enamel evolution.
28 citations
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July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
3 citations
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September 2013 in “Bioscience Biotechnology and Biochemistry” Type II porcine hair keratin supports cell growth but hinders cell differentiation.
17 citations
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July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
1 citations
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January 2016 in “Frontiers in Bioengineering and Biotechnology” Human hair keratin is a promising and sustainable biomaterial for tissue regeneration.
12 citations
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October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
28 citations
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September 2013 in “European Journal of Histochemistry” Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.
83 citations
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February 1991 in “Development” Fos protein is crucial for cell transition to cornification in keratinized tissues.
10 citations
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April 2007 in “PubMed” Coordinated gene activities are crucial for normal hair growth.
Keratin could help create enamel-regenerating toothpaste in a few years.
133 citations
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June 1993 in “Molecular and Cellular Biology” The human K5 promoter controls specific gene expression in skin cells, with key regulatory elements near the TATA box.
January 2026 in “Digitalen Hochschulbibliothek Sachsen-Anhalt (Universitäts- und Landesbibliothek Sachsen-Anhalt)” Keratin from chicken feathers can be safely used for skin benefits.