PMID: 16536979Mar 16, 2006Paper

Correlations between serine hydroxymethyltransferase1 C1420T polymorphisms and susceptibilities to esophageal squamous cell carcinoma and gastric cardiac adenocarcinoma

Ai zheng = Aizheng = Chinese journal of cancer
Yi-Min WangJian-Hui Zhang

Abstract

Serine hydroxymethyltransferase (SHMT), a key enzyme in the folate metabolism, affects gene methylation and DNA synthesis through providing one-carbon units for purine, thymidylate, and methionine. It is closely related to the development and progression of tumors. This study was to investigate the correlations between SHMT1 C1420T single nucleotide polymorphisms (SNP) and susceptibilities to esophageal squamous cell carcinoma (ESCC) and gastric cardiac adenocarcinoma (GCA). SHMT1 C1420T SNP was genotyped by polymerase chain reaction-confronting two-pair primers (PCR-CTPP) analysis in 584 ESCC patients, 467 GCA patients, and 540 healthy controls. The correlations between SHMT1 C1420T SNP polymorphisms and susceptibilities to ESCC and GCA were analyzed with Logistic regression model. Family history of upper gastrointestinal cancer (UGIC) significantly enhanced the risk of developing ESCC and GCA [the age, gender, smoking status, and family history of UGIC adjusted odds ratio (OR)=2.89, 95% confident interval (CI)=2.23-3.73; OR =1.68, 95% CI=1.28-2.23]. The frequency of 1420C/T genotype was significantly lower in ESCC and GCA patients than in healthy controls (12.0% vs. 16.5%, P<0.05; 10.9% vs. 16.5%, P<0.01). Compared with C/C g...Continue Reading

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