Abstract:
BACKGROUND:Intestinal metaplasia (IM) is an important precursor lesion in the development of gastric cancer (GC). The aim of this study was to investigate genetic factors previously linked to GC risk for their possible association with IM. A total of 18 polymorphisms in 14 candidate genes were evaluated in a Singapore-Chinese population at high risk of developing GC. METHODS:Genotype frequencies were compared between individuals presenting with (n = 128) or without (n = 246) IM by both univariate and multivariate analysis. RESULTS:Carriers of the NQO1 609 T allele showed an association with IM in individuals who were seropositive for Helicobacter pylori (HP+; OR = 2.61, 95%CI: 1.18-5.80, P = .018). The IL-10 819 C allele was also associated with IM in HP+ individuals (OR = 2.32, 95%CI: 1.21-4.43, P = 0.011), while the PTPN11 A allele was associated with IM in HP- individuals (OR = 2.51, 95%CI: 1.16-5.40, P = 0.019), but showed an inverse association in HP+ subjects (OR = 0.46, 95%CI: 0.21-0.99, P = 0.048). CONCLUSION:Polymorphisms in NQO1, IL-10 and PTPN11, in combination with HP status, could be used to identify individuals who are more likely to develop IM and therefore GC.
journal_name
BMC Gastroenteroljournal_title
BMC gastroenterologyauthors
Zhu F,Loh M,Hill J,Lee S,Koh KX,Lai KW,Salto-Tellez M,Iacopetta B,Yeoh KG,Soong R,Singapore Gastric Cancer Consortium.doi
10.1186/1471-230X-9-76subject
Has Abstractpub_date
2009-10-13 00:00:00pages
76issn
1471-230Xpii
1471-230X-9-76journal_volume
9pub_type
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