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  • Title: Analysis of a positive feedback mechanism in the anti-Sm autoantibody response of MRL/MPJ-lpr/lpr mice.
    Author: Stocks MR, Williams DG, Maini RN.
    Journal: Eur J Immunol; 1991 Feb; 21(2):267-72. PubMed ID: 1999219.
    Abstract:
    The mechanism of induction of anti-Sm antibodies by passive transfer of anti-Sm mAb in MRL/lpr mice was investigated. No idiotypic relationship was detected between the inducing monoclonal antibody KSm2 and either the induced circulating anti-Sm antibodies or the products of anti-Sm-producing hybridomas derived from spleen cell fusion of treated mice. Treatment of mice with ribonucleoprotein Sm antigen, alone or as an immune complex, induced anti-Sm and anti-ribonucleoprotein antibodies similarly to treatment with KSm2. This suggests that autoantigen contributes to the development of the anti-Sm response in MRL mice.
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