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Genetic variations associated with susceptibility to bacteria linked to stomach disorders
Date:5/7/2013

l implications of the current findings are unknown. Based on these data, genetic testing to evaluate H pylori susceptibility outside of research projects would be premature."

"If confirmed, genetic variations in TLR1 may help explain some of the observed variation in individual risk for H pylori infection," the researchers conclude.

(JAMA. 2013;309(18):1912-1920; Available pre-embargo to the media at http://media.JAMAnetwork.com)

Editor's Note: Please see the article for additional information, including other authors, author contributions and affiliations, financial disclosures, funding and support, etc.

Editorial: Helicobacter pylori Susceptibility in the GWAS Era

In an accompanying editorial, Emad M. El-Omar, M.D., of Aberdeen University, Aberdeen, United Kingdom, writes that the authors of this study are appropriate to state, "based on their data, genetic testing to evaluate H pylori susceptibility is premature."

"This would be superfluous, because nongenetic testing for the infection can be accomplished at a fraction of the cost. There is a bigger picture: understanding genetic susceptibility to H pylori is essential for understanding how to overcome this infection. The current approach to eradication of the infection is limited and based entirely on prescribing a cocktail of antibiotics with an acid inhibitor to symptomatic individuals. However, H pylori antibiotic resistance is increasing steadily, and eventually curing even benign conditions such as peptic ulcer disease arising from H pylori will be difficult. When considering gastric cancer, another H pylori-induced global killer, the necessity for understanding the pathogenesis of the infection and the role of host genetics in susceptibility is even greater. The corollary is that better understanding of infections, i
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Contact: Markus M. Lerch
lerch@uni-greifswald.de
The JAMA Network Journals
Source:Eurekalert

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