Cutting edge: a role for CD1 in the pathogenesis of lupus in NZB/NZW mice.

Abstract

Since anti-CD1 TCR transgenic T cells can activate syngeneic B cells via CD1 to secrete IgM and IgG and induce lupus in BALB/c mice, we studied the role of CD1 in the pathogenesis of lupus in NZB/NZW mice. Approximately 20% of B cells from the spleens of NZB/NZW mice expressed high levels of CD1 (CD1high B cells). The latter subset spontaneously produced large amounts of IgM anti-dsDNA Abs in vitro that was up to 25-fold higher than that of residual CD1int/low B cells. T cells in the NZB/NZW spleen proliferated vigorously to the CD1-transfected A20 B cell line, but not to the parent line. Treatment of NZB/NZW mice with anti-CD1 mAbs ameliorated the development of lupus. These results suggest that the CD1high B cells and their progeny are a major source of autoantibody production, and activation of B cells via CD1 may play an important role in the pathogenesis of lupus.

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@article{Zeng2000CuttingEA, title={Cutting edge: a role for CD1 in the pathogenesis of lupus in NZB/NZW mice.}, author={D Zeng and M K Lee and J Tung and A Brendolan and S Strober}, journal={Journal of immunology}, year={2000}, volume={164 10}, pages={5000-4} }