autoantibody
/ˌɔːtoʊˈæntɪˌbɑdi/
noun
- A protein made by the body's immune system that mistakenly attacks its own healthy cells, tissues, or organs.
- The doctor tested for autoantibodies to diagnose the patient's condition.
- Autoantibodies are often found in people with autoimmune diseases like lupus.
- When the immune system produces autoantibodies, it can cause inflammation and damage.