Dataset Information

Association between rs2278426 (C/T) and rs892066 (C/G) variants of ANGPTL8 (betatrophin) and susceptibility to type2 diabetes mellitus.

ABSTRACT: BACKGROUND:Angiopoietin-like protein 8 (ANGPTL8) is a hormone that mainly secreted from the liver and adipose tissue and plays an important role in the proliferation of pancreatic beta cells and lipid metabolism. Therefore, we studied the association of ANGPTL8 rs2278426 (C/T) and rs892066 (C/G) polymorphisms with the risk of type 2 diabetes mellitus (T2DM) and their association with biochemical parameters. METHODS:Two hundred and eighty-eight subjects (controls; n = 138 and type 2 diabetic patients; n = 150) were enrolled in this study. Direct haplotyping was performed using amplification-refractory mutation system (ARMS)-RFLP-PCR. RESULTS:The CT genotype frequency of rs2278426 (C/T) variant was significantly higher in T2DM patients compared to the controls group (P = 0.02), and there was a significant association between this genotype and increased risk of T2DM (OR: 2.41, CI: 1.26-4.59, P = 0.007). In addition, there was a significant relationship between CT genotype of this variant and high-density lipoprotein cholesterol (HDL-C), fasting blood sugar (FBS), insulin, insulin resistance and glycated hemoglobin (P < 0.05). Furthermore, bioinformatics analysis revealed that arginine (Arg) to tryptophan (Trp) substitution at rs2278426 position causes structural instability of ANGPTL8 protein. Genotype and allele distribution of rs892066 (C/G) was not statistically significant in T2DM patients compared to the control group. The distribution of haplotypes had no significant difference between controls and T2DM patients (P = 0.24). CONCLUSION:Our results suggest that the rs2278426 (C/T) variant is associated with increased risk of T2DM and may cause dyslipidemia due to its effect on decreasing HDL-C levels.

SUBMITTER: Ghasemi H

PROVIDER: S-EPMC6430336 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Association between rs2278426 (C/T) and rs892066 (C/G) variants of ANGPTL8 (betatrophin) and susceptibility to type2 diabetes mellitus.

Ghasemi Hassan H Ghasemi Hassan H Karimi Jamshid J Khodadadi Iraj I Saidijam Massoud M Tavilani Heidar H

Journal of clinical laboratory analysis 20180907 1

<h4>Background</h4>Angiopoietin-like protein 8 (ANGPTL8) is a hormone that mainly secreted from the liver and adipose tissue and plays an important role in the proliferation of pancreatic beta cells and lipid metabolism. Therefore, we studied the association of ANGPTL8 rs2278426 (C/T) and rs892066 (C/G) polymorphisms with the risk of type 2 diabetes mellitus (T2DM) and their association with biochemical parameters.<h4>Methods</h4>Two hundred and eighty-eight subjects (controls; n = 138 and type ...[more]

PMID: 30191588

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Project description:BackgroundGlyoxalase 1 (GLO1) plays a crucial role in defending against glycation. Single nucleotide polymorphism (SNP) variants in the GLO1 gene may affect gene expression and alter enzyme activity. However, there have been limited studies evaluating the association between GLO1 and diabetes, especially gestational diabetes mellitus (GDM). Therefore, this study is the first to explore the association of GLO1 SNPs and GDM risk.MethodsThe study included a total of 500 GDM patients and 502 control subjects. The SNPscan™ genotyping assay was used to genotype rs1781735, rs4746 and rs1130534. To assess the disparities in genotype, allele, and haplotype distributions and their correlation with GDM risk, the independent sample t-test, logistic regression, and chi-square test were employed during the data processing phase. Furthermore, one-way ANOVA was conducted to determine the differences in genotype and blood glucose and methylglyoxal(MG) levels.ResultsSignificant differences were observed in prepregnancy body mass index (pre-BMI), age, systolic blood pressure (SBP), diastolic blood pressure (DBP), and parity between GDM and healthy subjects (P < 0.05). After adjusting for these factors, GLO1 rs1130534 TA remained associated with an increased risk of GDM (TA vs. TT + AA: OR = 1.320; 95% CI: 1.008-1.728; P = 0.044), especially in the pre-BMI ≥ 24 subgroup (TA vs. TT + AA: OR = 2.424; 95% CI: 1.048-5.607; P = 0.039), with fasting glucose levels being significantly elevated in the TA genotype compared to the TT genotype (P < 0.05). Conversely, the GLO1 rs4746 TG was associated with a decreased risk of GDM (TG vs. TT: OR = 0.740; 95% CI: 0.548-0.999; P = 0.049; TG vs. TT + GG: OR = 0.740; 95% CI: 0.548-0.998; P = 0.048). Additionally, the haplotype T-G-T of rs1781735, rs4746 and rs1130534 was associated with a decreased risk of GDM among individuals with a pre-BMI ≥ 24 (OR = 0.423; 95% CI: 0.188-0.955; P = 0.038). Furthermore, the rs1781735 GG genotype was found to be more closely related to maternal MG accumulation and neonatal weight gain (P < 0.05).ConclusionOur findings suggested that GLO1 rs1130534 was associated with an increased susceptibility to GDM and higher blood glucose levels, but GLO1 rs4746 was associated with a decreased risk of GDM. The rs1781735 has been associated with the accumulation of maternal MG and subsequent weight gain in neonates.

Dataset Information

Association between rs2278426 (C/T) and rs892066 (C/G) variants of ANGPTL8 (betatrophin) and susceptibility to type2 diabetes mellitus.

Publications

Association between rs2278426 (C/T) and rs892066 (C/G) variants of ANGPTL8 (betatrophin) and susceptibility to type2 diabetes mellitus.

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