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    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 Promoter Targets Putative Epithelial Stem Cells in the Hair Follicle Bulge Journal of Investigative Dermatology · 2003 · 387 citations
    2. Keratin 15 Expression in Stratified Epithelia: Downregulation in Activated Keratinocytes Journal of Investigative Dermatology · 1999 · 198 citations
    3. Expression of the hair stem cell-specific keratin 15 in pilar tumors of the skin. PubMed · 1999 · 54 citations
    4. A keratin 15 containing stem cell population from the hair follicle contributes to squamous papilloma development in the mouse Molecular Carcinogenesis · 2012 · 44 citations
    5. 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
    6. Genomic Organization and Amplification of the Human Keratin 15 and Keratin 19 Genes Biochemical and Biophysical Research Communications · 2000 · 12 citations
    7. Corrigendum to “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” [Eur. J. Cell Biol. (2010) 769–777] European Journal of Cell Biology · 2012 · 1 citations
    8. Keratin 15 promotes a progenitor cell state in basal keratinocytes of skin epidermis The Journal of Cell Biology · 2025
    9. Keratin 15 promotes a progenitor cell state in basal keratinocytes of skin epidermis bioRxiv (Cold Spring Harbor Laboratory) · 2025
    10. An Investigation of Keratin 15 Function by Small Interfering Ribonucleic Acid Technology Durham e-Theses (Durham University) · 2012
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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. Keratin fibers vs. Gossypium Herbaceum Hair fibers Reddit · 31 Aug 2024
    8. Is Biotin or Keratin shampoo better for hair health/growth Reddit · 4 May 2024
    9. Question about seborrheic dermatitis and keratin Reddit · 16 May 2019
    10. Apparently, Keratin Microsphere products are already on the market. Gonna give it a college try, wish me luck! Reddit · 20 Sept 2024
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