Abstract
We have obtained 10 mAb from two independent fusions that are anti-idiotypic to the combining site of an anti-I-Jk antibody. These mAb block Ts cell function isn a genetically restricted manner in vitro and in vivo and recognize a determinant on macrophage membranes. In addition, they do not affect the I-Ek-restricted activation of a Th cell line specific for pigeon heart cytochrome c. We conclude that these mAb may recognize a molecule other than conventional I-Ek on cells interacting with Ts cells that is involved in mediating Ts activity. The molecule recognized may be a modified I-Ek molecule or a molecule not encoded by the genes encoding I-Ek.
- Copyright © 1988 by American Association of Immunologists
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