Antiphospholipid antibodies and cerebral lupus.
Antiphospholipid antibodies probably play a minor role in cerebral lupus. They are associated primarily with stroke and transient ischemic attacks, which occur only in a minority of patients with central nervous system complications of SLE. However, ready demonstration of functional effects of antiphospholipid antibodies in the coagulation system as well as persuasive evidence that they can induce thrombosis and pregnancy loss in experimental mice lend credence to the belief that many autoantibodies play a direct role in disease pathogenesis. Hence the role of the many autoantibodies associated with CNS lupus is a legitimate field of inquiry. This review outlines the history of antiphospholipid antibodies, discusses the controversy concerning antiphospholipid antibody specificity, summarizes recent experimental data on their functional effects in the coagulation system, and describes animal models of the antiphospholipid syndrome in which antibodies with cardiolipin-binding activity have been shown to play a direct role in thrombosis and pregnancy loss.
Harris
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Department of Medicine, Morehouse School of Medicine, Atlanta, Georgia 30310-1495, USA. adrinna@link.msm.edu
Pierangeli
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D000818:Animals; D017152:Antibodies, Antiphospholipid / Q000032:analysis* / Q000276:immunology / Q000502:physiology; D001927:Brain Diseases / Q000209:etiology* / Q000276:immunology*; D004195:Disease Models, Animal; D000939:Epitopes; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000150:complications*
D017152:Antibodies, Antiphospholipid; D000939:Epitopes