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    Did you mean Keratin 15?
    Glossary Keratin 15

    protein crucial for hair follicle stem cell regulation

    Keratin 15 (K15) is a type of protein found in the hair follicles and skin, playing a crucial role in the structural integrity and function of these tissues. It is particularly important for the maintenance and regeneration of hair, as it is involved in the regulation of stem cells within the hair follicle, which are essential for hair growth and repair.

    Related Terms

    Learn 3 of 6

    1. Keratin
    2. Hydrolyzed Keratin
    3. Alpha Keratin
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    Research 10 of 1000+

    1. Keratin 15 promotes a progenitor cell state in basal keratinocytes of skin epidermis The Journal of Cell Biology · 2025
    2. Keratin 15 Expression in Stratified Epithelia: Downregulation in Activated Keratinocytes Journal of Investigative Dermatology · 1999 · 198 citations
    3. Interleukin-1 Induces Transcription of Keratin K6 in Human Epidermal Keratinocytes 2001 · 90 citations
    4. Expression of the hair stem cell-specific keratin 15 in pilar tumors of the skin. PubMed · 1999 · 54 citations
    5. Characterization of Human KAP24.1, A Cuticular Hair Keratin-Associated Protein with Unusual Amino-Acid Composition and Repeat Structure 2007 · 51 citations
    6. Endocrine controls of primary adult human stem cell biology: Thyroid hormones stimulate keratin 15 expression, apoptosis, and differentiation in human hair follicle epithelial stem cells in situ and in vitro European Journal of Cell Biology · 2010 · 42 citations
    7. Identification of the Ovine Keratin-Associated Protein 21-1 Gene and Its Association with Variation in Wool Traits Animals · 2019 · 7 citations
    8. Exploring the effects of wetting and free fatty acid deposition on an atomistic hair fiber surface model incorporating Keratin Associated Protein 5-1 2022
    9. Keratin 15 Promoter Targets Putative Epithelial Stem Cells in the Hair Follicle Bulge Journal of Investigative Dermatology · 2003 · 387 citations
    10. A keratin 15 containing stem cell population from the hair follicle contributes to squamous papilloma development in the mouse Molecular Carcinogenesis · 2012 · 44 citations
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    Community 10 of 40

    1. A Decade on Hairloss Battle Reddit · 28 Dec 2019
    2. Additional supplements / peptides to maximize finasteride benefit Reddit · 22 May 2026
    3. The truth about Dutasteride (w/ sources) Reddit · 24 Jan 2023
    4. Seeking Supplement Advice for Keratin Enhancement and Hair Flattening Community · 16 Feb 2026
    5. Let's talk keratin products and hair loss Reddit · 22 Sept 2025
    6. 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
    7. Apparently, Keratin Microsphere products are already on the market. Gonna give it a college try, wish me luck! Reddit · 20 Sept 2024
    8. Keratin fibers vs. Gossypium Herbaceum Hair fibers Reddit · 31 Aug 2024
    9. Is it safe to get keratin treatment on transplanted hair? Reddit · 10 Aug 2024
    10. Male - 25 y.o - gulfs slowly fading like my father’s - topical minoxidil, soon starting fin + keratine supplement Community · 15 Jul 2024
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