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lüll Dendritic cells as killers: mechanistic aspects and potential roles Chauvin C; Josien RJ Immunol 2008[Jul]; 181 (1): 11-6Dendritic cells (DC) are professional APC endowed with the unique capacity to activate naive T cells. DC also have important effector functions during the innate immune response, such as pathogen recognition and cytokine production. In fact, DC represent the crucial link between innate and adaptive immune responses. However, DC are quite heterogeneous and various subsets endowed with specific pathogen recognition mechanisms, locations, phenotypes, and functions have been described both in rodents and in humans. A series of studies indicated that rodent as well as human DC could also mediate another important innate function, i.e., cell-mediated cytotoxicity, mostly toward tumor cells. In this article, we will review the phenotypes of these so-called killer DC, their killing mechanism, and putative implication in the immune response.|Animals[MESH]|Apoptosis[MESH]|Dendritic Cells/*immunology[MESH]|Humans[MESH]|Immune Tolerance/immunology[MESH]|Killer Cells, Natural/*immunology[MESH]|Virus Diseases/immunology[MESH] |