Cited by 63Helicobacter pylori-related gastroenterology studiesImmune Response and InflammationNitric Oxide and Endothelin Effects

The immune Battle against helicobacter pylori infection: NO offense

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Gobert, Alain P., Wilson, Keith T.·2016·Trends in Microbiology

Abstract

Helicobacter pylori is a successful pathogen of the human stomach. Despite a vigorous immune response by the gastric mucosa, the bacterium survives in its ecological niche, thus favoring diseases ranging from chronic gastritis to adenocarcinoma. The current literature demonstrates that high-output of nitric oxide (NO) production by the inducible enzyme NO synthase-2 (NOS2) plays major functions in host defense against bacterial infections. However, pathogens have elaborated several strategies to counteract the deleterious effects of NO; this includes inhibition of host NO synthesis and transcriptional regulation in response to reactive nitrogen species, allowing the bacteria to face the nitrosative stress. Moreover, NO is also a critical mediator of inflammation and carcinogenesis. In this context, we review the recent findings on the expression of NOS2 in H. pylori-infected gastric tissues and epithelial cells, the role of NO in H. pylori-related diseases and H. pylori gene expression, and the mechanisms whereby H. pylori regulates NO synthesis by host cells.

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Crossref · 10.1016/j.tim.2016.02.005

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  1. [73]Gobert AP Helicobacter pylori induces macrophage apoptosis by activation of arginase II J. Immunol 2002 168 4692 4700 11971019

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Authors
Gobert, A. P., & Wilson, K. T.
Affiliations
  • Vanderbilt University Medical Center (US)
  • VA Tennessee Valley Healthcare System (US)
Corresponding author
Wilson, Keith T.
Venue
Trends in Microbiology
Publisher
Elsevier BV
Published
2016-05
Volume
24
Issue
5
Pages
366-376
ISSN
0966-842X (ISSN-L)
OpenAlex
W2274755917
Cited by
63
References
84
Citations by year
2026: 6 · 2025: 2 · 2024: 5 · 2023: 7 · 2022: 6 · 2021: 8 · 2020: 3 · 2019: 6 · 2018: 4 · 2017: 12 · 2016: 4
FWCI
1.72
Type
journal article
Language
en
Open access
Locations
  • Trends in Microbiology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion)
Funders
  • U.S. Department of Veterans Affairs (I01 BX001453)
  • National Institutes of Health
  • National Cancer Institute (P01CA028842, R01CA190612, P01CA116087)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK053620, P30DK058404)
  • National Center for Complementary and Integrative Health (R01AT004821)
Topics
  • Health Sciences › Medicine › Surgery › Helicobacter pylori-related gastroenterology studies
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
Keywords
Helicobacter pylori, nitric oxide, host defense, nitrosative stress, gastric mucosa, chronic gastritis, gastric adenocarcinoma, inflammation, carcinogenesis, bacterial gene regulation, reactive nitrogen species
MeSH terms
Animals, Chronic Disease, Gastric Mucosa, Gastritis, Humans, Nitric Oxide, Stomach Neoplasms, Helicobacter pylori, Helicobacter Infections, Nitric Oxide Synthase Type II, Host-Pathogen Interactions

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