Subsequently, there was the recognition of antibodies to deoxyribonucleic acid (DNA) and the description of antibodies to extractable nuclear antigens (nuclear ribonucleoprotein [nRNP], Sm, Ro, La), ...

Results of other blood tests were within normal limits or negative, including lupus anticoagulant, ß2 glycoprotein, anticardiolipin IgG Ab, anti-ss DNA Ab, C3, C4, anti-RO, anti-LA, anti-SC-70 ...

Symptoms and signs of thromboangiitis obliterans (TAO) include superficial thrombophlebitis, Raynaud phenomenon, and distal extremity ischemia (foot or calf claudication or both; rest pain; dry or wet ...

Significant associations were found between certain autoantibodies and neuropsychiatric manifestations of SLE.