Abstract
Objective: The aim of this study was to evaluate the association between two haplotype-tag single nucleotide polymorphisms (SNPs) (rs6658835 and rs10495098) of TGF-β2 and conotruncal heart defects (CTDs).Methods: Two polymorphisms of TGF-β2 gene were genotyped by polymerase chain reaction–restriction fragment length polymorphism (PCR-RFLP) from 259 CTDs patients and 310 control subjects.Results: The association between SNP rs6658835 in TGF-β2 and CTDs has been found. The frequency of G allele in CTDs patients was significantly higher than that in control subjects (52.7% versus 40.3%, p < 0.001, OR =1.649).Conclusion: TGF-β2 gene polymorphisms may serve as a novel genetic marker for the risk of CTDs.
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