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The Journal of Immunology, Vol 125, Issue 3 1240-1242, Copyright © 1980 by American Association of Immunologists
ARTICLES |
E Pure and E Vitetta
This study demonstrates that intact antibodies specific for mu, delta, or light chains when coupled to Sepharose are effective in delivering proliferative signals to B cells. Furthermore, using Sepharose-coupled anti-delta antibodies, we have shown that hybridoma anti-delta (that is not active as soluble protein) is as effective as rabbit anti-delta in activating murine B cells. However, antibodies directed against two other surface molecules, I-A and H-2K, were not mitogenic. Thus, sIgM and sIgD are comparable in their ability to transmit a proliferative signal to the B cell and sIg seems to play a unique role in this regard.
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