Antibodies to extractable nuclear antigens (ENAs) are autoantibodies produced when the immune system mistakenly attacks the body’s own tissues. The ENA panel detects these autoantibodies in the blood to help diagnose autoimmune disorders.
Tag: autoimmune disorders
Autoimmunity is defined as an immune response leading to reaction with self antigen, i.e. any molecule that is a normal body constituent of the animal mounting the response.