期刊
VACCINE
卷 21, 期 9-10, 页码 869-876出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0264-410X(02)00534-0
关键词
DC-based vaccines; KLH adjuvant; anti-tumour CTL
This study focuses on a Keyhole Limpet Hemocyanin (KLH) adjuvant strategy to augment efficacy of dendritic cell-based vaccines that use class I-restricted peptides. Requirements for loading dendritic cells (DC) with KLH were first determined in order to optimally prime CD4(+) T cells. These KLH-loaded cells were pulsed with antigenic peptide and cultured With T cells to induce a cytotoxic T lymphocyte (CTL) response against the peptide. Such a concomitant presentation of KLH and peptide by the same DC strongly augmented the peptide-specific CTL response, as compared to the response induced by DC pulsed with the peptide alone. This adjuvant effect was more pronounced for poorly immunogenic antigens. The use of optimised peptide and KLH-loaded DC may improve the efficacy of therapeutic anti-tumour peptide vaccination. (C) 2002 Elsevier Science Ltd. All rights reserved.
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