Dataset Information

Sex-specific association of the SPTY2D1 rs7934205 polymorphism and serum lipid levels.

ABSTRACT: The objective of the present study was to detect the association of the rs7934205 single nucleotide polymorphism (SNP) near the Suppressor of Ty, domain containing 1 gene (SPTY2D1) and serum lipid levels between males and females in the Mulao and Han populations. Genotyping of SPTY2D1 rs7934205 SNP was performed in 933 of Mulao and 865 of Han participants using polymerase chain reaction and restriction fragment length polymorphism. The T allele frequency was different between Mulao males and females (23.2% vs. 27.9%, P = 0.018). The genotype and allele frequencies were also different between Han males and females (P = 0.020 and P = 0.004; respectively). Serum levels of apolipoprotein (Apo) A1 in Mulao males; and total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), ApoA1 and ApoB in Mulao females were different between the CC and CT/TT genotypes (P < 0.05). Serum TC, ApoB levels in Han males, and ApoB levels in Han females were different between the CC and CT/TT genotypes (P < 0.05). The subjects with CT/TT genotype in both Mulao and Han males and females have more favorable lipid profiles than those with CC genotype. These findings suggest that the association between the SPTY2D1 rs7934205 SNP and serum lipid levels might have ethnic- and/or sex-specificity.

SUBMITTER: Guo T

PROVIDER: S-EPMC4348833 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Sex-specific association of the SPTY2D1 rs7934205 polymorphism and serum lipid levels.

Guo Tao T Yin Rui-Xing RX Chen Xia X Bin Yuan Y Nie Rong-Jun RJ Li Hui H

International journal of clinical and experimental pathology 20150101 1

The objective of the present study was to detect the association of the rs7934205 single nucleotide polymorphism (SNP) near the Suppressor of Ty, domain containing 1 gene (SPTY2D1) and serum lipid levels between males and females in the Mulao and Han populations. Genotyping of SPTY2D1 rs7934205 SNP was performed in 933 of Mulao and 865 of Han participants using polymerase chain reaction and restriction fragment length polymorphism. The T allele frequency was different between Mulao males and fem ...[more]

PMID: 25755761

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Project description: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.

Project description:BackgroundThe association of rs16996148 single nucleotide polymorphism (SNP) in NCAN/CILP2/PBX4 and serum lipid levels is inconsistent. Furthermore, little is known about the association of rs16996148 SNP and serum lipid levels in the Chinese population. We therefore aimed to detect the association of rs16996148 SNP and several environmental factors with serum lipid levels in the Guangxi Mulao and Han populations.MethodA total of 712 subjects of Mulao nationality and 736 participants of Han nationality were randomly selected from our stratified randomized cluster samples. Genotyping of the rs16996148 SNP was performed by polymerase chain reaction and restriction fragment length polymorphism combined with gel electrophoresis, and then confirmed by direct sequencing.ResultsThe levels of apolipoprotein (Apo) B were higher in Mulao than in Han (P < 0.001). The frequencies of G and T alleles were 87.2% and 12.8% in Mulao, and 89.9% and 10.1% in Han (P <0.05); respectively. The frequencies of GG, GT and TT genotypes were 76.0%, 22.5% and 1.5% in Mulao, and 81.2%, 17.4% and 1.4% in Han (P <0.05); respectively. There were no significant differences in the genotypic and allelic frequencies between males and females in both ethnic groups. The levels of HDL-C, ApoAI, and the ratio of ApoAI to ApoB in Mulao were different between the GG and GT/TT genotypes in males but not in females (P < 0.01 for all), the subjects with GT/TT genotypes had higher serum levels of HDL-C, ApoAI, and the ratio of ApoAI to ApoB than the subjects with GG genotype. The levels of TC, TG, LDL-C, ApoAI, and ApoB in Han were different between the GG and GT/TT genotypes in males but not in females (P < 0.05-0.001), the T allele carriers had higher serum levels of TC, TG, LDL-C, ApoAI, and ApoB than the T allele noncarriers. The levels of HDL-C, ApoAI, and the ratio of ApoAI to ApoB in Mulao were correlated with the genotypes in males (P < 0.05-0.01) but not in females. The levels of TC, TG, HDL-C, LDL-C, ApoAI and ApoB in Han were associated with the genotypes in males (P < 0.05-0.001) but not in females. Serum lipid parameters were also correlated with several enviromental factors in both ethnic groups (P < 0.05-0.001).ConclusionsThe genotypic and allelic frequencies of rs16996148 SNP and the associations of the SNP and serum lipid levels are different in the Mulao and Han populations. Sex (male)-specific association of rs16996148 SNP in the NCAN/CILP2/PBX4 and serum lipid levels is also observed in the both ethnic groups.

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Dataset Information

Sex-specific association of the SPTY2D1 rs7934205 polymorphism and serum lipid levels.

Publications

Sex-specific association of the SPTY2D1 rs7934205 polymorphism and serum lipid levels.

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