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    Glossary Keratin Intermediate Filaments

    structural proteins in cells providing support and resilience

    Keratin Intermediate Filaments (KIFs) are structural proteins found in epithelial cells, including those in the skin, hair, and nails. They provide mechanical support and resilience, helping cells withstand stress and maintain their shape. KIFs are a type of intermediate filament, which are part of the cytoskeleton, a network that supports cell structure and function.

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    Research 10 of 1000+

    1. ‘Hard’ and ‘soft’ principles defining the structure, function and regulation of keratin intermediate filaments Current Opinion in Cell Biology · 2002 · 686 citations
    2. Types I and II Keratin Intermediate Filaments Cold Spring Harbor Perspectives in Biology · 2018 · 211 citations
    3. Cryo-Electron Microscopy of Trichocyte (Hard α-Keratin) Intermediate Filaments Reveals a Low-Density Core Journal of Structural Biology · 2002 · 48 citations
    4. In vivo formation steps of the hard α-keratin intermediate filament along a hair follicle: Evidence for structural polymorphism Journal of Structural Biology · 2006 · 22 citations
    5. Identification of the C-terminal tail domain of AHF/trichohyalin as the critical site for modulation of the keratin filamentous meshwork in the keratinocyte Journal of Dermatological Science · 2011 · 12 citations
    6. Self-consistent field theory for the interactions between keratin intermediate filaments BMC Biophysics · 2013 · 12 citations
    7. Unzipping the cuticle of the human hair shaft to obtain micron/nano keratin filaments Biopolymers · 2006 · 7 citations
    8. A new staining method for visualization of keratin filaments in hair fibre cross sections. Acta Dermato Venereologica · 1991
    9. In Vitro Assembly and Structure of Trichocyte Keratin Intermediate Filaments 2000 · 91 citations
    10. Sequence analyses of Type I and Type II chains in human hair and epithelial keratin intermediate filaments: Promiscuous obligate heterodimers, Type II template for molecule formation and a rationale for heterodimer formation Journal of Structural Biology · 2006 · 19 citations
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    Learn 3 of 6

    1. Keratin
    2. Hydrolyzed Keratin
    3. Alpha Keratin
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    Community 10 of 40

    1. Seeking Supplement Advice for Keratin Enhancement and Hair Flattening Community · 16 Feb 2026
    2. Let's talk keratin products and hair loss Reddit · 22 Sept 2025
    3. My brain absorbing the assorted off label drugs I put near it on a daily basis just for maximum keratin production Reddit · 29 Nov 2024
    4. Keratin fibers vs. Gossypium Herbaceum Hair fibers Reddit · 31 Aug 2024
    5. Is Biotin or Keratin shampoo better for hair health/growth Reddit · 4 May 2024
    6. Question about seborrheic dermatitis and keratin Reddit · 16 May 2019
    7. Apparently, Keratin Microsphere products are already on the market. Gonna give it a college try, wish me luck! Reddit · 20 Sept 2024
    8. Is it safe to get keratin treatment on transplanted hair? Reddit · 10 Aug 2024
    9. Male - 25 y.o - gulfs slowly fading like my father’s - topical minoxidil, soon starting fin + keratine supplement Community · 15 Jul 2024
    10. Keratin microspheres - breakthrough Reddit · 6 Mar 2024
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