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. 2010 Feb;36(1):187-201, x-xi.
doi: 10.1016/j.rdc.2009.12.007.

Glutamate receptor biology and its clinical significance in neuropsychiatric systemic lupus erythematosus

Cynthia Aranow  1 , Betty Diamond, Meggan Mackay
Affiliations

Glutamate receptor biology and its clinical significance in neuropsychiatric systemic lupus erythematosus

Cynthia Aranow et al. Rheum Dis Clin North Am. 2010 Feb.

Abstract

The recent appreciation that a subset of anti-DNA antibodies cross-reacts with the N-methyl-d-aspartate receptor encourages a renewed examination of antibrain reactivity in systemic lupus erythematosus (SLE) autoantibodies. Moreover, investigations of their autospecificity present a paradigm for studies of antibrain reactivity and show that (1) serum antibodies access brain tissue only after a compromise of blood-brain barrier integrity, (2) the same antibodies have differential effects on brain function depending on the region of brain exposed to the antibodies, and (3) insults to the blood-brain barrier are regional rather than diffuse. These studies suggest that an anatomic classification scheme for neuropsychiatric SLE may facilitate research on etiopathogenesis and the design of clinical trials.

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Figure 1
Proposed mechanism for anti-NMDAR antibody-mediated neurotoxicity
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