Medical science monitor : international medical journal of experimental and clinical research · 2015
VEGF Gene Polymorphisms are Associated with Risk of Tetralogy of Fallot.
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Li Xiang, Liu Chao-Liang, Li Xiao-Xia, Li Qing-Chen, Ma Li-Ming, Liu Gao-Li
Аннотация
BACKGROUND: The aim of this study was to investigate associations of 3 common polymorphisms in the VEGF gene, -2578C>A, -634C>G, and 936C>T, with risk of tetralogy of Fallot (TOF) in Chinese Han children.
MATERIAL AND METHODS: From January 2010 to June 2013, a total of 400 pediatric subjects were recruited, including 160 cases with TOF (TOF group) and 240 healthy controls (control group). The genotypes of 3 common VEGF polymorphisms, -2578C>A, -634C>G, and 936C>T, were analyzed by polymerase chain reaction restriction fragment length polymorphism. All data were analyzed with SPSS 18.0 software.
RESULTS: No significant differences were observed in body mass index or sex between TOF patients and controls (both P>0.05), but significant differences in age and family history of TOF were observed between the 2 groups (both P<0.05). The AA genotype in -2578C>A of VEGF was correlated with a significantly increased risk of TOF, and TOF risk in A allele carrier was 1.54-fold higher than that of C allele carrier (OR=1.54, 95%CI=1.14-2.09, P=0.005); the statistical significance was still present after Bonferroni correction (Pc=0.045). GG genotype in -634C>G of VEGF gene was also associated with an increased risk of TOF, and TOF risk in patients with G allele was 1.62-fold higher compared to patients with C allele (OR=1.62, 95%CI=1.19-2.21, P=0.002); the statistical significance was still present after Bonferroni correction (Pc=0.018). Interestingly, T allele in VEGF 936C>T polymorphism is associated with a decreased TOF risk (OR=0.65, 95%CI=0.49-0.87, P=0.003, the statistical significance was still present after Bonferroni correction (Pc=0.027). The result of logistic regression analysis revealed that -2578C>A, -634C>G, and 936C>T genotypes are independently related to the prevalence of TOF (all P<0.05).
CONCLUSIONS: Our results confirmed that VEGF genetic polymorphisms, -2578C>A and -634C>G, may be associated with an increased TOF risk, while 936C>T polymorphism may be associated with decreased TOF risk.
MATERIAL AND METHODS: From January 2010 to June 2013, a total of 400 pediatric subjects were recruited, including 160 cases with TOF (TOF group) and 240 healthy controls (control group). The genotypes of 3 common VEGF polymorphisms, -2578C>A, -634C>G, and 936C>T, were analyzed by polymerase chain reaction restriction fragment length polymorphism. All data were analyzed with SPSS 18.0 software.
RESULTS: No significant differences were observed in body mass index or sex between TOF patients and controls (both P>0.05), but significant differences in age and family history of TOF were observed between the 2 groups (both P<0.05). The AA genotype in -2578C>A of VEGF was correlated with a significantly increased risk of TOF, and TOF risk in A allele carrier was 1.54-fold higher than that of C allele carrier (OR=1.54, 95%CI=1.14-2.09, P=0.005); the statistical significance was still present after Bonferroni correction (Pc=0.045). GG genotype in -634C>G of VEGF gene was also associated with an increased risk of TOF, and TOF risk in patients with G allele was 1.62-fold higher compared to patients with C allele (OR=1.62, 95%CI=1.19-2.21, P=0.002); the statistical significance was still present after Bonferroni correction (Pc=0.018). Interestingly, T allele in VEGF 936C>T polymorphism is associated with a decreased TOF risk (OR=0.65, 95%CI=0.49-0.87, P=0.003, the statistical significance was still present after Bonferroni correction (Pc=0.027). The result of logistic regression analysis revealed that -2578C>A, -634C>G, and 936C>T genotypes are independently related to the prevalence of TOF (all P<0.05).
CONCLUSIONS: Our results confirmed that VEGF genetic polymorphisms, -2578C>A and -634C>G, may be associated with an increased TOF risk, while 936C>T polymorphism may be associated with decreased TOF risk.
Предметные рубрики MeSH
AllelesBiomarkersChildChild, PreschoolChinaEchocardiography, DopplerFemaleGene FrequencyGenotypeHeterozygoteHumansInfantLinkage DisequilibriumMalePolymerase Chain ReactionPolymorphism, Restriction Fragment LengthPolymorphism, Single NucleotideRisk FactorsSoftwareTetralogy of FallotVascular Endothelial Growth Factor A