autoantibody

/ɔːˈtəʊ.ænˈtɪ.bɒdi/

Definitions

1. noun

An antibody that reacts with the body’s own antigens, often resulting in autoimmune disorders.

“The patient’s autoantibody levels were found to be elevated, indicating an autoimmune response.”

2. noun

An antibody that is directed against a component of the self.

“The presence of autoantibodies in the patient’s blood suggested an underlying autoimmune disease.”

3. noun

An antibody that reacts with the body’s own tissues, often leading to inflammation and tissue damage.

“The doctor suspected that the patient’s symptoms were caused by an autoantibody reaction.”

Synonyms

  • autoantigen
  • autoimmune antibody
  • self-reactive antibody

Antonyms

  • alloantibody
  • foreign antibody