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    GlossaryProliferating Cell Nuclear Antigen (PCNA)

    protein marker for cell division and DNA repair

    Proliferating Cell Nuclear Antigen (PCNA) is a protein that acts as a marker for cell proliferation, meaning it helps identify cells that are actively dividing. It plays a crucial role in DNA replication and repair, making it important for both normal cell growth and the response to DNA damage.

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