The regulation of dendritic cell function by calcium-signaling and its inhibition by microbial pathogens.

Abstract:

:Dendritic cells (DC) are the sentinels of the immune system, linking innate with adaptive responses. The functional responses of DC are subject to complex regulation and serve as targets for pathogens. Ca2+-mediated signal transduction pathways serve a central regulatory role in DC responses to diverse antigens, including TLR ligands, intact bacteria, and microbial toxins. This review summarizes the major mechanisms of Ca2+-signaling that DC utilize to regulate maturation and antigen presentation, including a Ca2+-calmodulin (CaM)-CaM kinase II pathway that is localized to phagosomes and is targeted by the human intracellular pathogen, Mycobacterium tuberculosis. Restoration of functional Ca2+ signaling in DC may provide a novel mechanism to enhance therapy and promote vaccine efficacy to infectious diseases, including tuberculosis.

journal_name

Immunol Res

journal_title

Immunologic research

authors

Connolly SF,Kusner DJ

doi

10.1007/s12026-007-0076-1

subject

Has Abstract

pub_date

2007-01-01 00:00:00

pages

115-27

issue

1-3

eissn

0257-277X

issn

1559-0755

pii

IR:39:1-3:115

journal_volume

39

pub_type

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