anti-DNA antibody test

anti-DNA antibody test

a blood test that is useful for the diagnosis and follow-up of systemic lupus erythematosus (SLE). The test uses double-stranded deoxyribonucleic acid (DNA) as antigen to detect anti-DNA antibodies. High titers characterize SLE, and low to moderate levels may indicate other rheumatic diseases as well as chronic hepatitis, infectious mononucleosis, and biliary cirrhosis.
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Lockshin, almost everyone has a positive antinuclear antibody (ANA) test and another abnormality, such as a positive anti-DNA antibody test.
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