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Nature Reviews Immunology 9, 28–38 (1 January 2009) 7 P/ S* n8 v) B( Z9 X
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Harnessing invariant NKT cells in vaccination strategies
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) k. ~2 u& E* w F, V' V4 F+ W: EVincenzo Cerundolo , Jonathan D. Silk , S. Hajar Masri & Mariolina Salio
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" Z. s) w' a; g0 p; ]Abstract
U4 O4 a; L" }4 G! E: wTo optimize vaccination strategies, it is important to use protocols that can 'jump-start' immune responses by harnessing cells of the innate immune system to assist the expansion of antigen-specific B and T cells. In this Review, we discuss the evidence indicating that invariant natural killer T (iNKT) cells can positively modulate dendritic cells and B cells, and that their pharmacological activation in the presence of antigenic proteins can enhance antigen-specific B- and T-cell responses. In addition, we describe structural and kinetic analyses that assist in the design of optimal iNKT-cell agonists that could be used in the clinical setting as vaccine adjuvants. |
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