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July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
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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.
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August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
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January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
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June 1979 in “Proceedings of the National Academy of Sciences” Keratins provide structural strength in epithelial cells and help identify cell origins.
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December 1996 in “Biochemical and Biophysical Research Communications” Mouse hair keratins mHa1 and mHb4 can't form a strong network on their own in cells.
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August 2004 in “British Journal of Dermatology” The ventral matrix is the main source of the nail plate.
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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.
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August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
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June 1993 in “Journal of Biological Chemistry” Trichohyalin helps in hair and skin cell structure and function by binding calcium and linking proteins.
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May 2008 in “Acta Zoologica” Keratinization in embryos helped vertebrates adapt to land by forming a protective skin barrier.
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January 1993 Trichohyalin is a versatile protein involved in hair and skin structure.
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November 1992 in “The Journal of Dermatology” Keratohyalin and trichohyalin proteins help form and organize skin and hair structures.
January 2016 in “Frontiers in Bioengineering and Biotechnology” A wool hair keratin hydrogel is promising for growing cells and tissue engineering.
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December 1970 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” 13 citations
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August 1985 in “The Journal of Dermatology” HKN-2 antibody targets specific skin and hair cells, showing keratin complexity.
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January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
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January 1987 in “Current topics in developmental biology/Current Topics in Developmental Biology” Different keratin proteins are expressed in various epithelial cells at different stages, affecting cell structure and function.
425 citations
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August 2002 in “BioEssays” The cornified cell envelope forms a protective barrier in skin and hair, using specific proteins and lipids to maintain effectiveness.
April 2018 in “Journal of Investigative Dermatology” The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.
16 citations
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August 2019 in “Cell Proliferation” Keratinocytes help keep hair follicle cells and skin cells separate in 3D cultures, which is important for hair growth research.
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December 2006 in “Journal of Investigative Dermatology” Keratin patterns in hair follicles help understand hair growth and potential hair and nail disorders.
15 citations
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January 1992 in “Sen'i Gakkaishi” The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.
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January 2006 in “Journal of Structural Biology” Hair follicles form hard α-keratin filaments in four steps, showing structural differences.
41 citations
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July 1994 in “Journal of Dermatological Science” Hair follicle cells need complex interactions to fully differentiate.