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Liu X.,Xuzhou Medical College | Liang J.,Xuzhou Medical College | Liang J.,Xuzhou Institute of Medical science | Qiu Q.,Xuzhou Medical College | And 6 more authors.
Cell Biochemistry and Biophysics | Year: 2014

Elevated blood pressure is regarded as an independent risk factor for cardiovascular diseases and diabetes. We examined the relation between hematocrit and pre-hypertension as well as the effect of sex, obesity, fasting glucose, and lipids in Chinese adults. The study samples were from a community-based health examination survey in China and included a total of 2,3691 patients with blood pressure in normal range. The odds ratios [ORs, 95 % confidence interval (CI)] of pre-hypertension across increasing quartiles of hematocrit were 1.000, 1.176 (1.050–1.318), 1.213 (1.081–1.363), and 1.364 (1.209–1.540) (P for trend < 0.001), when adjusted for age, sex, body mass index, glutamic-pyruvic transaminase, glutamic-oxalocetie transaminase, serum uric acid, glucose, and lipids. Associations were significant in both men and women, but not in individuals older than 60 years. In addition, low-density lipoprotein cholesterol significantly interacted with hematocrit (P for interaction <0.024). The associations were more evident in patients with low (P < 0.001) and median LDL-C levels (P < 0.013) than those with high glucose levels. Hematocrit was associated with pre-hypertension, and was independent of metabolic risk factors. These associations were not significant in older individuals and low-density lipoprotein cholesterol may modify these associations. © 2014, Springer Science+Business Media New York. Source


Zou C.,Central South University | Zou C.,Xuzhou Institute of Medical science | Qiu Q.,Xuzhou Medical College | Chen H.,Central South University | And 6 more authors.
Human and Experimental Toxicology | Year: 2016

The present study investigated the hepatoprotective role of selenium during alloxan-induced diabetes in rats. Male Wistar rats were divided into four groups, namely, normal control, selenium treated, diabetic, and selenium-treated diabetic. Diabetes was induced in the animals by injecting alloxan intraperitoneally at a dose rate of 150 mg/kg body weight. Selenium in the form of sodium selenite was supplemented to rats at a dose level of 1 ppm in drinking water, ad libitum for two time durations of 2 and 4 weeks. The effects of different treatments were studied on various parameters in rat liver, which included serum glucose levels, serum insulin levels, alkaline phosphatase (ALP), aspartate aminotransferase (AST), alanine aminotransferase (ALT), lipid peroxidation (LPO), glutathione reduced (GSH), oxidized glutathione (GSSG), total glutathione (TG), superoxide dismutase (SOD), catalase (CAT), glutathione reductase, glutathione peroxidase, metallothionein (MT), and histoarchitecture. A significant increase in the serum glucose levels, LPO levels, and in enzyme activities of ALP, ALT, and AST was observed in diabetic rats which, however, got decreased significantly upon supplementation with selenium. On the contrary, decreased enzyme activities of GSSG, SOD, and CAT and depressed levels of GSH as well as serum insulin levels were observed in diabetic rats which got improved following selenium supplementation. Interestingly, MT levels were increased both in diabetic and selenium-treated diabetic rats. Further, marked alterations in histoarchitecture were seen in diabetic rats with the prominent features being congestion in sinusoids, lipid accumulation, and centrilobular hepatocyte degeneration. However, selenium treatment to diabetic rats showed overall improvement in the hepatic histoarchitecture. © The Author(s) 2015. Source


Liang J.,Xuzhou Medical College | Liang J.,Xuzhou Institute of Medical science | Pei Y.,Nanjing Southeast University | Gong Y.,Xuzhou Medical College | And 11 more authors.
European Review for Medical and Pharmacological Sciences | Year: 2015

OBJECTIVE: The causal relationship between serum uric acid (SUA) level and non-alcoholic fatty liver disease (NAFLD) has not yet been clarified. The objective of the study was to determine the association between SUA and NAFLD, as well as assess the interactions between SUA and other metabolic risk factors regarding NAFLD. PATIENTS AND METHODS: The study samples related to a community-based health examination survey conducted in Central China. Initially, a total of 24,878 patients with medical examination were included. After excluding the individuals with confounding factors, the remaining 21,798 subjects with biomarkers available were included in the present study. RESULTS: The data show that the risk of NAFLD significantly increased with the elevated SUA levels. Further adjustments for sex, age, and other confounding metabolic factors did not change the increasing trend of NAFLD risk. The odds ratios [ORs, 95% confidence interval (CI)] of NAFLD across the increasing quintiles of SUA were 1.00, 1,530 (1.174-1.995), 2.24 (1.714-2.886), 2.636 (2.019-3.441), and 3.714 (2.828-4.877) (p for trend < 0.0001). Also, significant interaction was found between SUA and prehypertension in relation to the NAFLD risk (p for interaction < 0.05). CONCLUSIONS: SUA was significantly associated with NAFLD risk, independent of other metabolic risk factors, and SUA also had significant interaction with prehypertension regarding the risk of NAFLD. Source


Liang J.,Xuzhou Medical College | Liang J.,Xuzhou Institute of Medical science | Pei Y.,Nanjing Southeast University | Liu X.,Xuzhou Medical College | And 7 more authors.
Clinical Endocrinology | Year: 2015

Objective Insulin secretion and insulin resistance, which affect metabolic homoeostasis, each have a significant genetic component. Cyclin- dependent kinase 5 (CDK5) regulatory subunit-associated protein 1-like 1 (CDKAL1) rs10946398, a novel body mass index (BMI)-associated locus specifically in the Asian population, may impair insulin secretion and may be associated with insulin resistance and type 2 diabetes. Our objective was to investigate the impact of the rs10946398 polymorphism of CDKAL1 on insulin secretion, insulin resistance and glucose-related traits in the Chinese population. Subjects and Methods The study samples were based on a community-based health examination survey conducted in central China. Indices of insulin resistance and insulin secretion were derived from fasting glucose measurements and oral glucose tolerance tests (OGTTs). Using multivariate linear regression models, the relationships between the rs10946398 polymorphism of CDKAL1 and insulin secretion, insulin resistance and quantitative glucose-related traits were investigated in 2313 participants. Results The CDKAL1 rs10946398 C allele showed a significant association with decreased insulin secretion (β = -0·05, P < 0·0005), but not with insulin resistance (β = 0·02, P = 0·08). We also found that the CDKAL1 rs10946398 C allele was significantly associated with glucose-related traits (fasting glucose, fasting insulin, 2-h glucose and HbA1c). There was no significant relationship between rs10946398 and other metabolic traits. Conclusions rs10946398 of CDKAL1 was associated with markers of impaired insulin secretion. It is reasonable to infer that the relationship between CDKAL1 and metabolic diseases is mediated by its effect on glucose-related traits. © 2015 John Wiley & Sons Ltd. Source


Liang J.,Xuzhou Institute of Medical science | Liang J.,Xuzhou Medical College | Sun Y.,Xuzhou Medical College | Liu X.,Xuzhou Institute of Medical science | And 10 more authors.
Journal of Diabetes and its Complications | Year: 2016

Aims: The etiological role of obesity in determining diabetes risk among Asians may be different from that among Caucasians. The current study aimed to investigate the association between genetic predisposition to obesity and measures of insulin secretion and resistance in a large Chinese cohort. Methods: Study samples were from a community-based health examination survey in central China. A total of 2058 subjects with available biomarkers levels were included in the present study. A genetic risk score (GRS) of obesity was derived on the basis of thirteen Asian-specific body mass index (BMI)-associated variants. Results: High obesity GRS was significantly associated with increased homeostasis model assessment (HOMA)-B score (β = 7.309; . P = 0.001) but not related to measures of insulin resistance. Adjustment for age, sex, BMI, and levels of lipids did not appreciably change the results. In addition, we found significant interactions between the obesity GRS and measures of body fat distribution including waist circumference (WC; . P for interaction = 0.004) and neck circumference (NC; . P for interaction = 0.014) on HOMA-B score. Conclusions: Our results suggest that genetic predisposition to obesity may affect beta cell function in Chinese; and body fat distribution may modify the genetic effects. © 2016. Source

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