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INHIBITION OF ALLOREACTIVE CYTOTOXIC LYMPHOCYTES-T BY PEPTIDES FROM THE ALPHA-2 DOMAIN OF HLA-A2 NATURE Parham, P., CLAYBERGER, C., ZORN, S. L., Ludwig, D. S., SCHOOLNIK, G. K., KRENSKY, A. M. 1987; 325 (6105): 625-628

Abstract

Class I major histocompatibility complex (MHC) molecules function in the recognition of antigens by cytotoxic T lymphocytes (CTL). Although this biological role is firmly established and much has been learnt about their structure and polymorphic variation, little is known of the regions of class I molecules that are involved in functional interactions with components of the T-cell surface. Here we show that peptides derived from residues 98-113 of the alpha 2 domain of HLA-A2 specifically inhibit the recognition of target cells by many HLA-A2-specific CTL. In addition to identifying a region that is probably involved in binding the T-cell receptor these results raise the possibility that alloreactive CTL may recognize degraded fragments of class I histocompatibility antigens.

View details for Web of Science ID A1987F973500058

View details for PubMedID 2433598