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Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Curr+Opin+Infect+Dis 2016 ; 29 (3): 304-10 Nephropedia Template TP
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Molecular Mechanisms of Gastric Cancer Initiation and Progression by Helicobacter pylori #MMPMID26779778
Servetas SL; Bridge DR; Merrell DS
Curr Opin Infect Dis 2016[Jun]; 29 (3): 304-10 PMID26779778show ga
Purpose of Review: Infection with the Gram-negative, microaerophilic pathogen Helicobacter pylori results in gastric cancer (GC) in a subset of infected individuals. As such, H. pylori is the only World Health Organization classified bacterial class I carcinogen. Numerous studies have identified mechanisms by which H. pylori alters host cell signaling pathways to cause disease. The purpose of this review is to highlight recent studies that explore mechanisms associated with induction of GC. Recent Findings: Over the last year and a half, new mechanisms contributing to the etiology of H. pylori associated GC development have been discovered. In addition to utilizing the oncogenic CagA toxin to alter host cell signaling pathways, H. pylori also induces host DNA damage and alters DNA methylation to perturb downstream signaling. Furthermore, H. pylori activates numerous host cell pathways and proteins that result in epithelial-to-mesenchymal transition (EMT) and induction of cell survival and proliferation. Summary: Mounting evidence suggests that H. pylori promotes gastric carcinogenesis using a multifactorial approach. Intriguingly, many of the targeted pathways and mechanism show commonality with diverse forms of cancer.