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Gender-specific association between the cytoplasmic poly(A) binding protein 4 rs4660293 single nucleotide polymorphism and serum lipid levels.

ABSTRACT: Cytoplasmic poly(A) binding protein 4 (PABPC4) is an RNA-processing protein which has an important role in regulating gene expression. The association of the PABPC4 rs4660293 single nucleotide polymorphism (SNP) and serum lipid profiles has, to the best of our knowledge, not previously been studied in the Chinese population. The present study aimed to investigate the association between the PABPC4 rs4660293 SNP and several environmental factors with serum lipid levels in the Mulao and Han populations. A total of 727 individuals of Mulao nationality and 729 individuals of Han nationality were randomly selected from stratified randomized samples from a previous study by our group. Genotypes of the PABPC4 rs4660293 SNP were determined via polymerase chain reaction and restriction fragment length polymorphism analyses and subsequently confirmed by direct sequencing. Serum levels of low-density lipoprotein cholesterol (LDL-C) and apolipoprotein (Apo) B were higher in the Mulao group than those in the Han group (P<0.01 for each). The genotypic and allelic frequencies of the PABPC4 rs4660293 SNP were significantly different between males and females in the Mulao population (P<0.05 for each), while no significant difference was detected between those of males and females amongst the Han population. The frequency of the G allele was higher in Mulao males than in Mulao females (22.12 vs. 13.44%). The G allele carriers were found to have higher total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C) and ApoAI levels in Han females but not in Han males, and lower TC and HDL-C levels in Mulao females but not in Mulao males than those of the G allele non-carriers (P<0.05 for all). These associations were confirmed by multiple linear regression analysis (P<0.05?0.001). Serum lipid parameters were also correlated with multiple environmental factors (P<0.05?0.001). The PABPC4 rs4660293 SNP was associated with serum TC, HDL-C, LDL-C and ApoAI levels in these study populations; however, the association varied between the Mulao and Han populations. A gender-specific association was identified in the populations of the two ethnic groups.

SUBMITTER: Wu J

PROVIDER: S-EPMC4526048 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature

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Gender-specific association between the cytoplasmic poly(A) binding protein 4 rs4660293 single nucleotide polymorphism and serum lipid levels.

Wu Jian J Yin Rui-Xing RX Guo Tao T Lin Quan-Zhen QZ Shen Shao-Wen SW Sun Jia-Qi JQ Shi Guang-Yuan GY Wu Jin-Zhen JZ Yang De-Zhai DZ Lin Wei-Xiong WX

Molecular medicine reports 20150522 3

Cytoplasmic poly(A) binding protein 4 (PABPC4) is an RNA-processing protein which has an important role in regulating gene expression. The association of the PABPC4 rs4660293 single nucleotide polymorphism (SNP) and serum lipid profiles has, to the best of our knowledge, not previously been studied in the Chinese population. The present study aimed to investigate the association between the PABPC4 rs4660293 SNP and several environmental factors with serum lipid levels in the Mulao and Han popula ...[more]

PMID: 26005159

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Project description:BACKGROUND: Mutation in SCARB1 gene, exon 8 rs5888, has been associated with altered lipid levels and cardiovascular risk in humans though the results have been inconsistent. We analysed the impact of SCARB1 single nucleotide polymorphism (SNP) rs5888 with plasma lipid profile and association with coronary artery disease (CAD) in a Lithuanian population characterized by high morbidity and mortality from CAD and high prevalence of hypercholesterolemia. METHODS: The study included 1976 subjects from a random sample (reference group) and an myocardial infarction (MI) group of 463 patients. Genotyping of SCARB1 (rs5888) was carried out using the real-time polymerase chain reaction method. RESULTS/PRINCIPAL FINDINGS: Analysis of rs5888 C/T gene polymorphism in the reference group revealed that male TT genotype carriers (25-74 years) had significantly higher total cholesterol and triglyceride concentrations (5.70 mmol/l vs. 5.49 mmol/l; p?=?0.036, and 1.70 mmol/l vs. 1.40 mmol/l, p?=?0.023, respectively) than CT carriers and the oldest males (65-74 years) TT carriers had significantly higher high density lipoprotein cholesterol concentrations in comparison to heterozygous (1.52 mmol/l vs. 1.36 mmol/l, p?=?0.033). The youngest female (25-44 years) TT genotype carriers had significantly lower low density lipoprotein cholesterol concentrations in comparison to C homozygous (2.59 mmol/l vs. 2.92 mmol/l, p?=?0.023). The frequency of the SCARB1 TT genotype in the oldest male MI group (65-74 years) was significantly lower than in the corresponding reference group subjects (9.4% vs. 22.3%, p?=?0.006). SCARB1 TT genotype was associated with decreased odds of MI in males aged 65-75 years (OR?=?0.24, 95% CI 0.10-0.56, p?=?0.001). CONCLUSIONS/SIGNIFICANCE: SCARB1 polymorphism is associated with lipid metabolism and CAD in an age- and gender- dependent manner. Analysis of SCARB1 SNP rs5888 C/T genotypes revealed an atheroprotective phenotype of lipid profile in older men and in young women TT genotype carriers in the reference group. SCARB1 TT genotype was associated with decreased odds of MI in aged men.

Dataset Information

Gender-specific association between the cytoplasmic poly(A) binding protein 4 rs4660293 single nucleotide polymorphism and serum lipid levels.

Publications

Gender-specific association between the cytoplasmic poly(A) binding protein 4 rs4660293 single nucleotide polymorphism and serum lipid levels.

Similar Datasets

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