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Methylenetetrahydrofolate reductase tagging polymorphisms are associated with risk of esophagogastric junction adenocarcinoma: a case-control study involving 2,740 Chinese Han subjects.


ABSTRACT: In this study, we aimed to determine the potential association of MTHFR tagging single nucleotide polymorphisms (SNPs) with risk of developing esophagogastric junction adenocarcinoma (EGJA). MTHFR rs1801133 G>A, rs3753584 T>C, rs4845882 G>A, rs4846048 A>G and rs9651118 T>C polymorphisms were genotyped in 1,677 healthy individuals and 1,063 patients with EGJA. We found that MTHFR rs1801133 G>A polymorphism was significantly associated with the risk of developing EGJA (AA vs. GG: adjusted P = 0.001; GA/AA vs. GG: adjusted P = 0.007 and AA vs. GA/GG: adjusted P = 0.001). However, for MTHFR rs4845882 G>A polymorphism, the decreased risk of EGJA was found in two genetic models (AA vs. GG: adjusted P = 0.002 and AA vs. GA/GG: adjusted P = 0.005). In addition, for MTHFR rs3753584 T>C and rs9651118 T>C polymorphisms, a tendency to decreased risk of EGJA was noted. In a subgroup analysis, a significantly decreased risk of EGJA in <64 years subgroup was identified. We found that MTHFR Grs1801133Trs3753584Grs4845882Ars4846048Crs9651118, Grs1801133Crs3753584Ars4845882Ars4846048Trs9651118 and Grs1801133Trs3753584Ars4845882Grs4846048Trs9651118 haplotypes significantly decreased the risk of EGJA (P = 0.002, P < 0.001 and P = 0.038, respectively). In conclusion, our study demonstrates that MTHFR rs1801133 G>A may be associated with the increased risk of EGJA. Meanwhile, MTHFR rs3753584 T>C, rs4845882 G>A and rs9651118 T>C polymorphisms and haplotypes may decrease the risk of EGJA in Eastern Chinese Han population. Further studies with large sample size and detailed gene-environmental data are needed to validate our conclusion.

SUBMITTER: Ding G 

PROVIDER: S-EPMC5762337 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Methylenetetrahydrofolate reductase tagging polymorphisms are associated with risk of esophagogastric junction adenocarcinoma: a case-control study involving 2,740 Chinese Han subjects.

Ding Guowen G   Wang Yafeng Y   Chen Yu Y   Yin Jun J   Liu Chao C   Fan Yu Y   Qiu Hao H   Tang Weifeng W   Chen Shuchen S  

Oncotarget 20171201 67


In this study, we aimed to determine the potential association of <i>MTHFR</i> tagging single nucleotide polymorphisms (SNPs) with risk of developing esophagogastric junction adenocarcinoma (EGJA). <i>MTHFR</i> rs1801133 G>A, rs3753584 T>C, rs4845882 G>A, rs4846048 A>G and rs9651118 T>C polymorphisms were genotyped in 1,677 healthy individuals and 1,063 patients with EGJA. We found that <i>MTHFR</i> rs1801133 G>A polymorphism was significantly associated with the risk of developing EGJA (AA <i>v  ...[more]

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