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Dendritic cell cross talk with innate and innate-like effector cells in antitumor immunity: implications for DC

Jasper J P van Beek1, Florian Wimmers1, Stanleyson V Hato1

  • 1Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands.

Critical Reviews in Immunology
|January 20, 2015
PubMed

Dendritic cells (DCs) are key players in the induction of immune responses. Adoptive transfer of autologous mature DCs loaded with tumor-associated antigens is a promising therapy for the treatment of immunogenic tumors. For a long time, its therapeutic activity was thought to depend solely on the induction of tumor-specific CD8+ and CD4+ T cell responses. More recently, DCs were shown to bidirectionally interact with innate and innate-like immune cells, including natural killer (NK), invariant natural killer T (iNKT), and γδ T cells. These effector cells can amplify responses induced by DCs via several mechanisms, including induction of DC maturation and conventional T cell priming. In addition, NK, iNKT, and γδ T cells possess cytolytic activity and can act directly on tumor cells. Therapeutic strategies targeting these innate and innate-like immune cells hence hold potential to improve current DC vaccination protocols.

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