Detection of anti-nuclear autoantibodies (ANA) is based on a two-step algorithm including indirect immunofluorescence (IIF) on HEp2 cells and subsequent reflex/confirmatory testing for specific ...

If your doctor thinks you might have lupus, they may ask you to take blood tests to check for antibodies in your blood. The most common antibody test is called the antinuclear antibody (ANA) test.

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 ...

“This research is important to people with lupus as it adds greater insight onto ANA testing and the meaning of changes in the ANA titer over time. If we can determine that changes in the ANA titer ...

Please provide your email address to receive an email when new articles are posted on . Although testing for antinuclear antibodies is widely viewed as an effective screening tool for lupus and other ...