Section 22
Chapter 21,368

Monocyte and dendritic cell recruitment and activation during oral Salmonella infection

Wick, M.J.

Immunology Letters 112(2): 68-74


ISSN/ISBN: 0165-2478
PMID: 17720254
DOI: 10.1016/j.imlet.2007.07.007
Accession: 021367234

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Immunity to bacterial infection involves the joint effort of the innate and adaptive immune systems. The innate immune response is triggered when the body senses bacterial components, such as lipopolysaccharide, that alarm the body of the invader. An array of cell types function in the innate response. These cells are rapidly recruited to the infection site and activated to optimally perform their functions. The adaptive immune response follows the innate response, and one cell type in particular, dendritic cells (DCs), are the critical link between the innate and adaptive responses. This review will summarize recent data concerning the events that occur early during oral infection with the intracellular pathogen Salmonella, with emphasis on the phagocytic cells involved in combating the infection in the gut-associated lymphoid tissues. In particular, recent findings concerning the recruitment and activation of mononuclear phagocyte populations and dendritic cell subsets will be presented after an overview of the Salmonella infection model.

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