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    GlossaryAntinuclear Antibody

    autoantibodies targeting cell nuclei, often indicating autoimmune diseases

    Antinuclear Antibody (ANA) refers to a type of autoantibody that targets substances found in the nucleus of cells. These antibodies are often present in individuals with autoimmune diseases, such as lupus or rheumatoid arthritis, and their presence can be detected through a blood test to help diagnose these conditions.

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