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Scand J Immunol. 2005 May;61(5):391-7.

CTL-based cancer preventive/therapeutic vaccines for carcinomas: role of tumour-associated carbohydrate antigens.

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  • 1Torrey Pines Institute for Molecular Studies; and University of California, San Diego, CA 92121, USA.


In this study, we discuss the use of glycopeptides containing tumour-associated carbohydrate antigens (TACA) as preventive vaccines for carcinomas. The results of our recent studies suggest that CD8(+) cytotoxic T cells are capable of recognizing small TACA in a conventional class I MHC-restricted fashion. TACA-specific T-cell receptors are highly degenerate and their fine specificity includes the glycosylated amino acid linker together with the sugar moiety. TF, a disaccharide and Tn, its immediate precursor, are TACA largely expressed in carcinomas that can be successfully used as vaccines when conjugated to designer peptide backbones with optimal binding affinity for class I MHC molecules.

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