January 1953 in “The Lancet” Alopecia areata's causes are unclear, treatments exist but relapses are common.
4 citations
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April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
36 citations
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July 2019 in “Journal of Materials Science Materials in Medicine” Human hair keratin helps repair nerve damage in rats.
February 2026 in “International Journal of Biological Macromolecules” Keratin from waste hair and feathers can be sustainably used to create stable emulsions for industrial applications.
September 2017 in “Journal of Investigative Dermatology” Hair follicle cells change their DNA packaging during growth cycles and when grown in the lab.
36 citations
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July 1988 in “Archives of Dermatological Research” Pili annulati is caused by a protein metabolism disorder affecting hair structure.
January 2003 in “Swinburne Research Bank (Swinburne University of Technology)”
February 2026 in “Frontiers in Medical Technology” Keratinocyte stem cells are crucial for skin renewal and have potential in wound healing and tissue regeneration.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
50 citations
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July 2008 in “British Journal of Dermatology” 23 citations
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January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
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.
January 1997 in “Elsevier eBooks” Hair and nails are skin parts that develop early and serve protective and functional roles.
Keratinocytes grew and migrated into hair follicle areas but disappeared after 15-20 days.
10 citations
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August 2020 in “Current protocols in stem cell biology” Scientists developed a way to create skin and hair cells from human stem cells, which could help treat burns and restore hair.
June 2014 in “Experimental dermatology” The epidermis is crucial for hair growth.
39 citations
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January 2015 in “International journal for parasitology/International Journal for Parasitology” Epidermal keratinocytes start wound healing and inflammation after schistosome infection.
1 citations
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June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
272 citations
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September 2001 in “Journal of Biological Chemistry” Human hair keratins were cataloged, showing their roles in hair differentiation stages.
41 citations
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May 2012 in “Advanced Healthcare Materials” Human hair keratins improve cell adhesion and growth on culture surfaces.
38 citations
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November 2020 in “International journal of biochemistry & cell biology” Keratin proteins are essential for keeping the cells in the human colon healthy and stable.
41 citations
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January 2001 in “Journal of Investigative Dermatology”
1 citations
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July 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Keratin gene expression helps understand different types of skin cells and their development, and should be used carefully as biological markers.
12 citations
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September 1982 in “Journal of Investigative Dermatology” 54 citations
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March 2009 in “BioEssays” Hormones control keratin production in skin and hair.
46 citations
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November 1998 in “Experimental Cell Research” K15 gene is mainly active in the basal layers of hair follicles and epithelia, aiding early skin cell development.
147 citations
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November 2020 in “International Journal of Molecular Sciences” Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.
April 2023 in “Journal of Investigative Dermatology” Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.
10 citations
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November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
40 citations
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September 2010 in “Journal of Biological Chemistry” Keratin K80 is an ancient protein found in various tissues, important for cell structure and tissue differentiation.