Journal
INTERNATIONAL JOURNAL OF INFLAMMATION
Volume 2010, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.4061/2010/476482
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- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [ZIAAI000354, ZIAAI000432] Funding Source: NIH RePORTER
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Infection of the stomach with Helicobacter pylori is an important risk factor for gastritis, peptic ulcer, and gastric carcinoma. Although it has been well established that persistent colonization by H. pylori is associated with adaptive Th1 responses, the innate immune responses leading to these Th1 responses are poorly defined. Recent studies have shown that the activation of nucleotide-binding oligomerization domain 1 (NOD1) in gastric epithelial cells plays an important role in innate immune responses against H. pylori. The detection of H. pylori-derived ligands by cytosolic NOD1 induces several host defense factors, including antimicrobial peptides, cytokines, and chemokines. In this paper, we review the molecular mechanisms by which NOD1 contributes to mucosal host defense against H. pylori infection of the stomach.
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