The polymorphism −1131T>C in apolipoprotein A5 gene is associated with dyslipidemia in Brazilian subjects
2013
Ferreira, Cláudia N. | Carvalho, Maria G. | Fernandes, Ana P. | Santos, Izabela R. | Rodrigues, Kathryna F. | Lana, Ângela M.Q. | Almeida, Cristina R. | Loures-Vale, Andréia A. | Gomes, Karina B. | Sousa, Marinez O.
Polymorphisms in apolipoprotein A5 gene (APOA5) have been associated with higher triglyceride levels in many populations. The aim of the study was to determine the allelic and genotypic distribution of the APOA5 −1131T>C polymorphism and to identify the association of the genetic variant and the risk for dyslipidemia.We genotyped 109 dyslipidemic subjects and 107 controls. The total cholesterol, triglycerides and HDL-c were determined enzymatically. Comparison of means among groups was calculated by ANOVA. Significant differences among groups were evaluated by Student–Newman–Keuls test.The minor allele C was more frequent in dyslipidemic subjects than controls (p=0.019) and confers an increased individual risk for dyslipidemia (OR=1.726, CI 95%=1.095–2.721). The genotype analysis by gender showed that this allele was more frequent in dyslipidemic males (p=0.037; OR=2.050, CI 95%=1.042–4.023). When participants were analyzed according to genotypes TT and TC/CC, C-carriers presented higher cholesterol and triglycerides levels than TT homozygous (p=0.046 and 0.049, respectively).The allele C confers higher total cholesterol and triglycerides levels in dyslipidemic adults. The APOA5 −1131T>C polymorphism is associated with dyslipidemia in male subjects.
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