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  • Title: The role of anti-idiotypic antibodies in the induction of experimental systemic lupus erythematosus in mice.
    Author: Mendlovic S, Fricke H, Shoenfeld Y, Mozes E.
    Journal: Eur J Immunol; 1989 Apr; 19(4):729-34. PubMed ID: 2659371.
    Abstract:
    We have recently reported the induction of experimental systemic lupus erythematosus (SLE) in mice by a human anti-DNA monoclonal antibody (mAb) that bears a common idiotype, the 16/6 Id. In the present report we investigated the role of the idiotypic network in the induction of experimental SLE by using a murine anti-idiotypic mAb specific for the 16/6 Id. This anti-idiotypic mAb induced experimental SLE similarly to the 16/6 Id. Thus, following immunization, in addition to 16/6 Id+ antibodies, the mice produced antibodies to various nuclear antigens: single-stranded DNA, double-stranded DNA, poly(I), poly(G), Ro, La, Sm and ribonucleoproteins. Similarly to the 16/6 Id-immunized mice, the mice injected with the anti-16/6 Id mAb exhibited elevated erythrocyte sedimentation rate and leukopenia. The murine anti-16/6 Id mAb was found to be more effective than the 16/6 Id, in causing earlier onset of proteinuria and renal damage. These results suggest that the idiotypic network and particularly anti-idiotypic antibodies specific for anti-DNA common idiotypes found in SLE, play an important role in the induction of SLE in mice.
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