The presence of antinuclear antibodies (ANA) indicates the possibility of autoimmunity and the indirect immunofluorescence (IIF) assay on HEp-2 cells is the standard blood test (ANA-HEp-2) used to ...

If a person experiences joint pain and tests positive for an antinuclear antibody (ANA) test, this may suggest the presence of an underlying condition causing joint problems and discomfort. An ANA ...

The ANA blood test helps detect autoantibodies. These are antibodies that trigger the immune system to attack the body’s own tissue. Their presence may indicate possible autoimmune conditions like ...

Antinuclear antibodies (ANA) are autoantibodies directed against the nuclei of some of one’s own body cells. They are present in the blood in persons with certain autoimmune disorders. An autoimmune ...

What Is an Antinuclear Antibody Test? An antinuclear antibody test is a blood test that looks for certain kinds of antibodies in your body. It’s also called an ANA or FANA (fluorescent antinuclear ...

Nearly all people who have systemic lupus erythematosus (SLE) test positive for antinuclear antibody (ANA), but a small number can develop lupus without ANA, known as seronegative or ANA-negative ...

Stress isn’t usually the direct cause of a positive ANA test, but it can influence the immune system, potentially exacerbating symptoms in those with autoimmune disorders. If you have symptoms like ...