The vascular endothelial growth factor (VEGF) polymorphisms and the risk of endometriosis in northern Iran

Emamifar B, Banafsheh Emamifar, Salehi Z, Zivar Salehi, Marzieh Mehrafza, Mashayekhi F, Farhad Mashayekhi
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology · 2011 · vol. 28(6) , pp. 447–450 · doi:10.3109/09513590.2011.632791 · PMID:22128802 · W2123283662
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This study investigated VEGF polymorphisms and found the +405G>C variant was associated with an increased risk of endometriosis in women from northern Iran.

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Abstract

Vascular endothelial growth factor (VEGF) is known to be a key molecule in the pathogenesis of endometriosis. In this study, we evaluated whether two polymorphisms -460T>C and +405G>C in VEGF are related with the susceptibility to endometriosis in northern Iran. Genomic DNA derived from patients with endometriosis and healthy women were analysed by polymerase chain reaction-restriction fragment length polymorphism. The total number of 1080 subjects (480 patients with endometriosis and 600 normal controls) was enrolled into the study. We used the Chi-square (χ(2)) test to evaluate each allele and genotype frequency of -460T>C and +405G>C polymorphisms among the cases and controls. The associations between the polymorphisms and the risk of endometriosis were estimated by odds ratio and their 95% confidence intervals. There was no significant differences in the VEGF -460T>C genotypes and allele frequencies between control women and endometriosis patients (P = 0.63). In contrast, an increased frequency of the +405CC genotype was observed in the patients with endometriosis as compared with the controls. The +405C allele was associated with the presence of endometriosis. It is concluded that the +405G>C polymorphism in VEGF may be associated with higher risk of endometriosis in northern Iran.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Peritoneal Diseases Polymorphism, Genetic Polymorphism, Genetic Polymorphism, Genetic Vascular Endothelial Growth Factor A Adult Adult Case-Control Studies Case-Control Studies Endometriosis Endometriosis Endometriosis Female Female Gene Frequency Gene Frequency Genetic Predisposition to Disease Genetic Predisposition to Disease Genotype

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