Dataset Information

Association between UCP3 gene polymorphisms and nonalcoholic fatty liver disease in Chinese children.

ABSTRACT: To confirm the hypothesis that polymorphisms of the uncoupling protein 3 (UCP3) gene are associated with the occurrence of nonalcoholic fatty liver disease (NAFLD).A total of 250 NAFLD patients (147 males and 103 females) and 200 healthy individuals who served as controls (control, 109 males and 91 females), aged between 6 and 16 years were enrolled in this study. The four non-synonymous single nucleotide polymorphisms (SNPs) in the UCP3 gene polymorphisms of rs1726745, rs3781907, rs11235972 and rs1800849, were genotyped using MassArray. Body mass index (BMI), waist and hip circumference, blood pressure (BP), fasting blood glucose (FBG), insulin and lipid profiles were measured and B-ultrasound examination was performed in all subjects.NAFLD patients showed risk factors for metabolic syndrome: elevated BMI, waist-to-hip ratio, BP, FBG, homeostasis model assessment-estimated insulin resistance, total triglyceride, total cholesterol and low-density lipoprotein-cholesterol, while decreased high-density lipoprotein-cholesterol level compared with the control group. The GG genotype distributions of rs11235972 in the NAFLD group differed significantly from that in the control group. We found that waist circumference between CC (58.76 ± 6.45 cm) and CT+TT (57.00 ± 5.59 cm), and hip circumference between CC (71.28 ± 7.84 cm) and CT+TT genotypes (69.06 ± 7.75 cm) were significantly different with and without rs1800849 variation (P < 0.05).A higher prevalence of rs11235972 GG genotype was observed in the NAFLD group compared with the control group. No differences were observed for the other SNPs. However, there was a significant difference in body height in addition to waist and hip circumference between the CC (mutant type group) and CT+TT group with and without rs1800849 variation.

SUBMITTER: Xu YP

PROVIDER: S-EPMC3793144 | biostudies-literature | 2013 Sep

REPOSITORIES: biostudies-literature

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Association between UCP3 gene polymorphisms and nonalcoholic fatty liver disease in Chinese children.

Xu Yan-Ping YP Liang Li L Wang Chun-Lin CL Fu Jun-Fen JF Liu Pei-Ning PN Lv Lan-Qiu LQ Zhu Yi-Min YM

World journal of gastroenterology 20130901 35

<h4>Aim</h4>To confirm the hypothesis that polymorphisms of the uncoupling protein 3 (UCP3) gene are associated with the occurrence of nonalcoholic fatty liver disease (NAFLD).<h4>Methods</h4>A total of 250 NAFLD patients (147 males and 103 females) and 200 healthy individuals who served as controls (control, 109 males and 91 females), aged between 6 and 16 years were enrolled in this study. The four non-synonymous single nucleotide polymorphisms (SNPs) in the UCP3 gene polymorphisms of rs172674 ...[more]

PMID: 24124336

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Project description:Nonalcoholic steatohepatitis (NASH) is considered the hepatic manifestation of metabolic syndrome (MetS) among adults. Emerging data suggest that MetS may be associated with nonalcoholic fatty liver disease (NAFLD) in children as well. We sought to determine whether MetS or its component features are associated with specific histological features or severity of NAFLD.Children and adolescents aged 6-17 years enrolled in the Nonalcoholic Steatohepatitis Clinical Research Network (NASH CRN) with clinical data obtained within 6 months of liver biopsy were included. MetS was defined as the presence of three or more of the following features as determined by application of age-adjusted normative values: central obesity, dyslipidemia, impaired fasting glucose, and elevated blood pressure. Liver biopsies were evaluated by the Pathology Committee of the NASH CRN.Two hundred fifty four children were included in the analysis, of whom 65 (26%) met specified criteria for MetS. Among children with MetS, there is a higher proportion of females who were on average older in age and pubertal. The risk of MetS was greatest among those with severe steatosis (odds ratio (OR)=2.58 for grade 3 vs. grade 1 steatosis, P=0.001). The presence of hepatocellular ballooning was also significantly associated with MetS (OR=2.10, P=0.03). Those with advanced fibrosis (stage 3/4) had an OR for MetS of 3.21 (P=0.04) vs. those without fibrosis (stage 0). Borderline zone 1 or definite NASH patterns compared with "not NASH" were strongly associated with MetS (OR=4.44, P=0.005 and OR=4.07, P=0.002, respectively). The mean NAFLD Activity Score (NAS) was greater among children with MetS vs. those without (4.8 +/- 1.4 vs. 4.3 +/- 1.4, P=0.01). Central obesity was significantly associated with steatosis, fibrosis, hepatocellular ballooning, and NAFLD pattern. Insulin resistance was significantly associated with steatosis, fibrosis, hepatocellular ballooning, NAS, and NAFLD pattern.MetS is common among children with NAFLD and is associated with severity of steatosis, hepatocellular ballooning, NAS, NAFLD pattern, and the presence of advanced fibrosis. Individual MetS features, particularly central obesity and insulin resistance, were also associated with severity of NAFLD. MetS features should be considered in children with NAFLD as individually and collectively they help identify children with more advanced disease.

Dataset Information

Association between UCP3 gene polymorphisms and nonalcoholic fatty liver disease in Chinese children.

Publications

Association between UCP3 gene polymorphisms and nonalcoholic fatty liver disease in Chinese children.

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