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Clin Dev Immunol. 2010;2010:539519. doi: 10.1155/2010/539519. Epub 2010 Oct 13.

Tumor antigen cross-presentation and the dendritic cell: where it all begins?

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  • 1School of Medicine and Pharmacology, University of Western Australia, Perth, WA 6009, Australia.

Abstract

Dendritic cells (DCs) are professional antigen-presenting cells (APCs) that are critical for the generation of effective cytotoxic T lymphocyte (CTL) responses; however, their function and phenotype are often defective or altered in tumor-bearing hosts, which may limit their capacity to mount an effective tumor-specific CTL response. In particular, the manner in which exogenous tumor antigens are acquired, processed, and cross-presented to CD8 T cells by DCs in tumor-bearing hosts is not well understood, but may have a profound effect on antitumor immunity. In this paper, we have examined the role of DCs in the cross-presentation of tumor antigen in terms of their subset, function, migration, and location with the intention of examining the early processes that contribute to the development of an ineffective anti-tumor immune response.

PMID:
20976125
[PubMed - indexed for MEDLINE]
PMCID:
PMC2957101
Free PMC Article
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