Apolipoprotein A5 (APOA5 or APO A-V) polymorphisms have long been reported to be associated with cardiovascular disease and plasma lipid levels. The present study was undertaken to investigate the relationship between the rs662799, rs3135507, and rs2075291 with biochemical parameters in the Turkish Cypriot population. A total of 100 Turkish Cypriot volunteer subjects (53 female and 47 male), with a mean age of 40.8, participated in the study. A basic biochemical analysis, including serum glucose, total serum cholesterol, HDL-C, LDL-C, and triglycerides, was performed for each participant. Genotyping for the APOA5 three polymorphisms was performed by polymerase chain reaction followed by restriction fragment length polymorphism analysis. Biochemical parameters except the low-density lipoprotein cholesterol (LDL-C) were all within the normal limits. LDL-C was found to be slightly elevated in participants according to WHO guidelines. With respect to the genotype and allele distributions of APOA5 rs662799 T>C polymorphism, TT genotypes are more frequent (62%) in the population and the frequency of T allele is 0.78. The TT genotype for APOA5 rs2075291 G<T was not observed in the study population. Ancestral GG is the only genotype present in the study population. Minor Allele Frequency of APOA5 rs3135507 G>A variant is 0.12 for the A allele. No association between the two studied APOA5 polymorphisms (rs662799 and rs3135507) and the biochemical components of glucose, total cholesterol, and triglyceride were observed. On the other hand, a strong statistical association between the high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C) clinical parameters and APOA5 rs662799 CC and rs3135507 AA genotypes was found (p = 0.014 and p = 0.017, respectively). APOA5 polymorphisms rs662799 and rs3135507, with the CC and the AA genotypes, respectively, are associated with increased levels of both high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C) in the Turkish Cypriot population.
Biochemical Genetics – Springer Journals
Published: Dec 20, 2017
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