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- W1996665514 abstract "Role of XPC, XPD, XRCC1, GSTP genetic polymorphisms and Barrett’s esophagus in a cohort of Italian subjects. A neural network analysis Claudia Tarlarini,1 Silvana Penco,1 Massimo Conio,2 Enzo Grossi3 On behalf of the Barrett Italian Study Group 1Department of Laboratory Medicine, Medical Genetics, Niguarda Ca’ Granda Hospital, Milan, Italy; 2Department of Gastroenterology, General Hospital, San Remo, Italy; 3Medical Department, Bracco Imaging SpA, Milan, ItalyBackground: Barrett’s esophagus (BE), a metaplastic premalignant disorder, represents the primary risk factor for the development of esophageal adenocarcinoma. Chronic gastroesophageal reflux disease and central obesity have been associated with BE and esophageal adenocarcinoma, but relatively little is known about the specific genes that confer susceptibility to BE carcinogenesis.Methods: A total of 74 patients with BE and 67 controls coming from six gastrointestinal Italian units were evaluated for six polymorphisms in four genes: XPC, XPD nucleotide excision repair (NER) genes, XRCC1 (BER gene), and glutathione S-transferase P1. Smoking status was analyzed together with the genetic data. Statistical analysis was performed through Artificial Neural Networks.Results: Distributions of sex, smoking history, and polymorphisms among BE cases and controls did not show statistically significant differences. The r-value from linear correlation allowed us to identify possible protective factors as well as possible risk factors. The application of advanced intelligent systems allowed for the selection of a subgroup of nine variables. Artificial Neural Networks applied on the final data set reached mean global accuracy of 60%, reaching as high as 65.88%.Conclusion: We report here results from an exploratory study. Results from this study failed to find an association among the tested single nucleotide polymorphisms and BE phenotype through classical statistical methods. On the contrary, advanced intelligent systems are really able to handle the disease complexity, not treating the data with reductionist approaches unable to detect multiple genes of smaller effect in predisposing to the disease.Impact: To detect multiple genes of smaller effects in predisposing individuals to Barrett’s esophagus.Keywords: Barrett’s esophagus, XPC XPD genetic polymorphisms, XRCC1 GSTP genetic polymorphisms" @default.
- W1996665514 created "2016-06-24" @default.
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- W1996665514 date "2012-08-01" @default.
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- W1996665514 title "Role of XPC, XPD, XRCC1, GSTP genetic polymorphisms and Barrett’s esophagus in a cohort of Italian subjects. A neural network analysis" @default.
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- W1996665514 doi "https://doi.org/10.2147/ceg.s32610" @default.
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