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Different bacterial pathogens, different strategies, yet the aim is the same: evasion of intestinal dendritic cell recognition Bedoui S; Kupz A; Wijburg OL; Walduck AK; Rescigno M; Strugnell RAJ Immunol 2010[Mar]; 184 (5): 2237-42Given the central role of intestinal dendritic cells (DCs) in the regulation of gut immune responses, it is not surprising that several bacterial pathogens have evolved strategies to prevent or bypass recognition by DCs. In this article, we will review recent findings on the interaction between intestinal DCs and prototypical bacterial pathogens, such as Salmonella, Yersinia, or Helicobacter. We will discuss the different approaches with which these pathogens seek to evade DC recognition and subsequent T cell activation. These diverse strategies span to include mounting irrelevant immune responses, inhibition of Ag presentation by DCs, and stretch as far as to manipulate the Th1/Th2 balance of CD4(+) T cells in the bacteria's favor.|Animals[MESH]|Bacterial Infections/immunology/microbiology[MESH]|Dendritic Cells/*immunology[MESH]|Helicobacter pylori/*immunology/physiology[MESH]|Host-Pathogen Interactions/immunology[MESH]|Humans[MESH]|Intestines/*immunology/microbiology[MESH]|Models, Immunological[MESH]|Salmonella typhimurium/*immunology/physiology[MESH]|Yersinia enterocolitica/*immunology/physiology[MESH] |
