期刊
JOURNAL OF INTERFERON AND CYTOKINE RESEARCH
卷 32, 期 11, 页码 505-516出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/jir.2012.0045
关键词
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资金
- American Cancer Society
- NIH/NCI [K01 CA131487, R21 CA162273, R21 CA162277]
- P30 Tumor Immunology and Immunotherapy Program
Natural killer T (NKT) cells constitute an important subset of T cells that can both directly and indirectly mediate antitumor immunity. However, we and others have reported that cancer patients have a reduction in both NKT cell number and function. NKT cells can be stimulated and expanded with alpha-GalCer and cytokines and these expanded NKT cells retain their phenotype, remain responsive to antigenic stimulation, and display cytotoxic function against tumor cell lines. These data strongly favor the use of ex vivo expanded NKT cells in adoptive immunotherapy. NKT cell based-immunotherapy has been limited by the use of autologous antigen-presenting cells, which can vary substantially in their quantity and quality. A standardized system that relies on artificial antigen-presenting cells (aAPCs) could produce the stimulating effects of dendritic cell (DC) without the pitfalls of allo- or xenogeneic cells. In this review, we discuss the progress that has been made using CD1d-based aAPC and how this acellular antigen presenting system can be used in the future to enhance our understanding of NKT cell biology and to develop NKT cell-specific adoptive immunotherapeutic strategies.
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