CALR and systemic lupus erythematosus: In addition, patients with SLE may have other autoantibodies, including anti-Scl-70 antibodies (found in systemic sclerosis), anti-La and anti-Ro antibodies (found in Sjogren's disease), anticardiolipin antibodies, and antiphospholipid antibodies (aPL antibodies), suggesting a broad connection between SLE and other autoimmune disorders [2].