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IntroductionEpidemiological evidence suggests that overweight and obesity have been associated with acute myocardial infarction (AMI). However, data on this issue are controversial. This study aims to use meta-analysis to determine whether overweight and obesity are related to AMI.Material and methodsWe searched PubMed and Embase databases up to October 23rd, 2013 for related literature. The association of overweight and obesity with AMI was assessed by odd ratio (OR) with 95% confidence interval (CI) as the effect size. Then subgroup analysis was performed according to gender, area and study type.ResultsFive primary studies (one cohort study and four case-control studies) were included in this meta-analysis involving 36 803 participants, 14 883 of whom had an AMI. There was a significant association between overweight and AMI (OR = 1.27, 95% CI: 1.21–1.33, p < 0.001). Similar results revealed a relation between obesity and AMI (OR = 1.22, 95% CI: 1.07–1.40, p = 0.003). Subgroup analysis showed that overweight and obesity were positively associated with AMI risk except for obese subjects in Europe. There was no publication bias (Begg's test p = 0.972, Egger's test p = 0.858).ConclusionsBoth overweight and obesity increased the incidence of AMI, and it is necessary to control weight to prevent AMI. A large number of studies is needed to explore the mechanisms that link overweight and obesity with AMI.

LMD in combination with cDNA microarray provides a unique support foe the identification of early expression profiles of differential genes and the expression pattern of 3 genes (OPCML, RNASE1 and YES1) associated with the progression of gastric cancer. Further study is needed to reveal the molecular mechanism of lymph node metastasis in patients with gastric cancer.

AIM:To evaluate the efficacy and safety of capsule oxymatrine in the treatment of chronic hepatitis B. METHODS:A randomised double-blind and placebocontrolled multicenter trial was conducted. Injection of oxymatrine was used as positive-control drug. A total of 216 patients with chronic hepatitis B entered the study for 24 weeks, of them 108 received capsule oxymatrine, 36 received injection of oxymatrine, and 72 received placebo. After and before the treatment, clinical symptoms, liver function, serum hepatitis B virus markers, and adverse drug reaction were observed. RESULTS:Among the 216 patients, six were dropped off, and 11 inconsistent with the standard were excluded. Therefore, the efficacy and safety of oxymatrine in patients were analysed. In the capsule treated patients, 76.47 % became normal in ALT level, 38.61 % and 31.91 % became negative both in HBV DNA and in HBeAg. In the injection treated patients, 83.33 % became normal in ALT level, 43.33 % and 39.29 % became negative both in HBV DNA and in HBeAg. In the placebo treated patients, 40.00 % became normal in ALT level, 7.46 % and 6.45 % became negative both in HBV DNA and in HBeAg. The rates of complete response and partial response were 24.51 % and 57.84 % in the capsule treated patients, and 33.33 % and 50.00 % in the injection treated patients, and 2.99 % and 41.79 % in the placebo treated patients, respectively. There was no significance between the two groups of patients, but both were significantly higher than the placebo. The adverse drug reaction rates of the capsule, injection and placebo were 7.77 %, 6.67 % and 8.82 %, respectively. There was no statistically significant difference among them. CONCLUSION:Oxymatrine is an effective and safe agent for the treatment of chronic hepatitis B.

AIM:To explore the grade and stage of pathology and the relationship between grading and staging of hepatic fibrosis and noninvasive diagnostic parameters.

AIM:To examine the relations of alcohol consumption to the prevalence of metabolic syndrome in Shanghai adults. METHODS:We performed a cross-sectional analysis of data from the randomized multistage stratified cluster sampling of Shanghai adults, who were evaluated for alcohol consumption and each component of metabolic syndrome, using the adapted U.S. National Cholesterol Education Program criteria. Current alcohol consumption was defined as more than once of alcohol drinking per month. RESULTS:The study population consisted of 3953 participants (1524 men) with a mean age of 54.3 ± 12.1 years. Among them, 448 subjects (11.3%) were current alcohol drinkers, including 405 males and 43 females. After adjustment for age and sex, the prevalence of current alcohol drinking and metabolic syndrome in the general population of Shanghai was 13.0% and 15.3%, respectively. Compared with non drinkers, the prevalence of hypertriglyceridemia and hypertension was higher while the prevalence of abdominal obesity, low serum high-density-lipoprotein cholesterol (HDL-C) and diabetes mellitus was lower in subjects who consumed alcohol twice or more per month, with a trend toward reducing the prevalence of metabolic syndrome. Among the current alcohol drinkers, systolic blood pressure, HDL-C, fasting plasma glucose, and prevalence of hypertriglyceridemia tended to increase with increased alcohol consumption. However, low-density-lipoprotein cholesterol concentration, prevalence of abdominal obesity, low serum HDL-C and metabolic syndrome showed the tendency to decrease. Moreover, these statistically significant differences were independent of gender and age. CONCLUSION:Current alcohol consumption is associated with a lower prevalence of metabolic syndrome irrespective of alcohol intake (g/d), and has a favorable influence on HDL-C, waist circumference, and possible diabetes mellitus. However, alcohol intake increases the likelihood of hypertension, hypertriglyceridemia and hyperglycemia. The clinical significance of these findings needs further investigation.

either agent alone (193% ± 34% vs 129% ± 12%; 44% ± 18% vs 92% ± 18%; 36 ± 17% vs 93% ± 23%, P < 0.05). Western blotting showed that the synergistic effect of OM and NM-3 on protein translation of survivin, bcl-2 and p 53 was in accordance with their mRNAs.