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Journal of Experimental Medicine, Vol 166, 1026-1040, Copyright © 1987 by Rockefeller University Press
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K Yui, Y Hashimoto, S Wadsworth and MI Greene
Department of Pathology and Laboratory Medicine, School of Medicine, University of Pennsylvania, Philadelphia 19104.
We report the first demonstration of Thy-1+, Lyt-2-, L3T4- MHC-specific CTL clones derived from the Lyt-2-, L3T4- subset of lymph node cells of C3H-gld/gld mice. These clones express alpha/beta heterodimeric TCRs on the cell surface and specifically recognize class I molecules on target cells. Lyt-2 and L3T4 molecules are therefore not essential for the induction, recognition, and killing of antigen-specific CTL. In addition, these studies suggest that antigen specificity development for class I structures may occur before Lyt-2 gene activation in the differentiation of T cells.
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