期刊
FRONTIERS IN IMMUNOLOGY
卷 5, 期 -, 页码 -出版社
FRONTIERS RESEARCH FOUNDATION
DOI: 10.3389/fimmu.2014.00165
关键词
dendritic cell vaccination; immunotherapy; naturally circulating dendritic cells; melanoma; monocyte-derived dendritic cells; plasmacytoid dendritic cells; myeloid dendritic cells
类别
资金
- Dutch Cancer Society [KUN2010-4722, KUN2009-4402]
- Netherlands Organization for Scientific Research [NWO-95103002, NWO-95100106]
- Swedish Research Council
- Radboud University Medical Center PhD grant
- NWO Spinoza award
- ERC Adv grant
Dendritic cell (DC)-based immunotherapy employs the patients' immune system to fight neoplastic lesions spread over the entire body. This makes it an important therapy option for patients suffering from metastatic melanoma, which is often resistant to chemotherapy. However, conventional cellular vaccination approaches, based on monocyte-derived DCs (moDCs), only achieved modest response rates despite continued optimization of various vaccination parameters. In addition, the generation of moDCs requires extensive ex vivo culturing conceivably hampering the immunogenicity of the vaccine. Recent studies, thus, focused on vaccines that make use of primary DCs. Though rare in the blood, these naturally circulating DCs can be readily isolated and activated thereby circumventing lengthy ex vivo culture periods. The first clinical trials not only showed increased survival rates but also the induction of diversified anti-cancer immune responses. Upcoming treatment paradigms aim to include several primary DC subsets in a single vaccine as pre-clinical studies identified synergistic effects between various antigen-presenting cells.
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