机译：Autoantibodies in systemic lupus erythematosus which cross-react with double stranded DNA and in-termediate filament proteins are frequently reported.However,little is Known about the origin and the target of these antibodies.In this paper,a polyspecific monoclonal antibody,XY12,produced by the im-munization of genetically non-autoimmune mice with a DNA-protein complex is detsiled.Its antigen bind-ing patterms are very similar to the autoantibodies.The data suggest that these autoantibodies may be trig-gered by a circulating nucleoprotein.
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