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Mucosal Immunity Section, Laboratory of Clinical Investigation, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892-1890
Dendritic cells (DCs) are the
most competent antigen-presenting cells known for the induction of
primary T cell responses. Functional studies of tissue-resident DCs
have been impaired by the rarity of these cells in any given organ.
Recent development of isolation procedures allowing extraction of
highly purified fresh DC populations has made it possible to study
mucosal DCs in distinct mucosa-associated lymphoid tissues. Here, we
discuss several recent studies by us and others that describe the
tissue-specific phenotype and function of mucosal DCs and speculate on
the mechanism by which the resident DCs regulate tissue-specific T cell responses.
type 1 T helper cell; type 2 T helper cell; interleukin-12; interleukin-10; interleukin-4
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