A positive ANA (antinuclear antibody) test result can be indicative of an autoimmune disorder, such as Systemic Lupus Erythematosus...

An autoantibody is an antibody that is produced by the immune system and directed against the body's own cells, tissues, or organs....

An antibody is a protein produced by the immune system that recognises and binds to specific molecules, known as antigens. Antibodies are...

Antinuclear antibodies (ANAs) are antibodies that are directed against structures within the nucleus of a cell. These antibodies are...