Serum Inhibitor in Systemic Lupus Erythematosus Associated With Aplastic Anemia

Abstract
• Hematologic complications of systemic lupus erythematosus (SLE) usually involve peripheral destruction of blood elements. We report a case of SLE-associated aplastic anemia in which an IgG complement-dependent antibody, obtained from the patient's disease-phase serum but not remission-phase serum, suppressed growth of granulocyte-macrophage progenitor cells from bone marrow of normal donors in vitro. Therapy with plasmapheresis and immunosuppression resulted in lasting remission. (Arch Intern Med 1984;144:1474-1477)

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