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Dendritic Cells: Activation and Maturation - Applications for Cancer Immunotherapy

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Abstract:

There is an increasing number of studies utilizing dendritic cell (DC) based therapies for cancer. With a powerful antigen-presentation capability, DCs have the potential to overcome tumor tolerance and induce anti-tumor immunity, when loaded with tumor antigens. In order to optimize this approach, methods have aimed to enhance immunopotency of therapeutic DCs. A thorough understanding of DC immunobiology would accelerate this process and provide advantageous procedures to increase anti-tumor responses. This review contains an analysis of recent advances on DC subsets, phenotypic characterization, localization, surface receptors and their ligands. The events of immune induction via DCs, involving initial recognition and uptake of antigens, migration, subsequent activation and maturation are revisited. Furthermore, the current methods used for DC-based cancer immunotherapy, including DCs pulsed with tumor antigens in forms of DNA, RNA, peptides, proteins and lysates, or DCs fused with tumor cells are summarized. Respective preclinical and clinical trials are in progress and hold promise for developing effective cancer vaccines.

Keywords: activation; cancer; clinical trial; dendritic cells; immunotherapy; maturation

Document Type: Review Article

DOI: https://doi.org/10.2174/0929867054367248

Affiliations: Austin Research Institute, Immunology and Vaccine Laboratory, Studley Road, Heidelberg, VIC 3084, Australia.

Publication date: 2005-07-01

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  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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