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    Glossary Ki-67

    protein marker indicating cell proliferation

    Ki-67 is a protein found in the nucleus of cells that is associated with cell proliferation, meaning it is present when cells are actively dividing. It is commonly used as a marker in cancer diagnostics to determine the growth fraction of a given cell population, helping to assess how quickly a tumor is likely to grow.

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    1. Ki-67 Levels and Their Association With Response to Neoadjuvant Chemotherapy in Triple-Negative Breast Cancer: A Prospective Observational Study Cureus · 2025 · 2 citations
    2. Effects of Platelet-Rich Plasma on Hair Growth using Artificial Intelligence-based Trichoscopy and Ki67+ Keratinocytes Analysis: A Randomized Placebo-Controlled Trial Clinical Dermatology Review · 2025
    3. A randomized, double-blind, placebo- and active-controlled, half-head study to evaluate the effects of platelet-rich plasma on alopecia areata British Journal of Dermatology · 2013 · 205 citations
    4. Methods in hair research: how to objectively distinguish between anagen and catagen in human hair follicle organ culture Experimental Dermatology · 2009 · 132 citations
    5. Human hair follicle organ culture: theory, application and perspectives Experimental Dermatology · 2015 · 130 citations
    6. Effect of caffeine and testosterone on the proliferation of human hair follicles <i>in vitro</i> International Journal of Dermatology · 2007 · 114 citations
    7. Prolactin and Its Receptor Are Expressed in Murine Hair Follicle Epithelium, Show Hair Cycle-Dependent Expression, and Induce Catagen American Journal of Pathology · 2003 · 91 citations
    8. Identifying novel strategies for treating human hair loss disorders: Cyclosporine A suppresses the Wnt inhibitor, SFRP1, in the dermal papilla of human scalp hair follicles PLOS Biology · 2018 · 68 citations
    9. Induction of Hair Growth by Insulin-Like Growth Factor-1 in 1,763 MHz Radiofrequency-Irradiated Hair Follicle Cells PLoS ONE · 2011 · 39 citations
    10. A primer for studying cell cycle dynamics of the human hair follicle Experimental Dermatology · 2016 · 38 citations
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