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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Autoanticuerpo

Autoantibody (AW-toh-AN-tee-BAH-dee)
An antibody made against substances formed by a person’s own body. Autoantibodies can directly destroy cells that have the substances on them or can make it easier for other white blood cells to destroy them. Some autoimmune diseases are caused by autoantibodies.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.