Ai-Min Hu

General Hospital of the Air Force, PLA, Peping, Beijing, China

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Publications (19)48.29 Total impact

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    ABSTRACT: The aim of this study was to explore whether interleukin-6 (IL-6) gene (-174 G/C and -572 C/G) polymorphisms are associated with susceptibility to coronary artery disease (CAD) risk in Chinese population. All the statistical tests were performed using Stata version 11.0. Twelve articles involving 16 studies were included in this meta-analysis, covering a total of 2309 CAD cases and 2273 controls. For IL-6 gene -572 C/G polymorphism, the results showed evidence for significant association between IL-6 gene -572 C/G polymorphism and CAD risk (for G allele vs. C allele: OR=1.48, 95% CI=1.26-1.74, p<0.001; for G/G vs. C/C: OR=2.60, 95% CI=1.54-4.39, p<0.001; for G/G vs. G/C+C/C: OR=2.15, 95% CI=1.35-3.42, p=0.001; for G/G+G/C vs. C/C: OR=1.55, 95% CI=1.29-1.85, p<0.001). However, for IL-6 gene -174 G/C polymorphism, no significant association was found between this variation and CAD risk. In summary, our meta-analysis showed evidence that IL-6 gene -572 C/G polymorphism may be a risk factor for CAD susceptibility. For IL-6 gene -174 G/C polymorphism, no significant association was found between this variation and CAD risk. Copyright © 2015. Published by Elsevier Inc.
    No preview · Article · Jun 2015 · Human immunology
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    ABSTRACT: Several lines of evidence suggest that estrogen receptor alpha (ER-α) gene polymorphism may influence the development of osteoarthritis (OA). However, the results are inconsistent. The aim of this study was to explore whether rs2234693 (ER-α PvuII T/C) polymorphism confer significant susceptibility to OA using a meta-analysis. A systematic search of all relevant studies published through August 17, 2014 was conducted using the PubMed, Web of Science, Embase, Cochrane database, Current Controlled Trials, Clinicaltrials.gov, Chinese Clinical Trial Registry, CBMdisc, CNKI and Google Scholar. All statistical analyses were done with Review Manager 5.1.4. Twelve articles involving 15 studies were included in the final meta-analysis, which contained 6,417 OA cases and 8,605 controls. Overall, no significant association was found between the rs2234693 polymorphism and the OA risk when all studies were pooled into the meta-analysis (for C allele vs. T allele: OR = 0.99, 95% CI = 0.94-1.04, p = 0.63; for C/C vs. T/T: OR = 0.97, 95% CI = 0.87-1.08, p = 0.53; for C/C vs. T/C+T/T: OR = 0.96, 95% CI = 0.88-1.06, p = 0.43; for C/C+T/C vs. T/T: OR = 1.00, 95% CI = 0.89-1.14, p = 0.94). In the subgroup analysis, significant association was found between the rs2234693 polymorphism and the OA risk in the knee osteoarthritis (KOA) group (for C/C+T/C vs. T/T: OR = 1.15, 95% CI = 1.02-1.29, p = 0.02). The present meta-analysis suggests that the rs2234693 polymorphism is associated with an increased KOA risk. Additional well-designed genome-wide association studies are required to confirm the result.
    No preview · Article · Apr 2015 · Current Medical Research and Opinion
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    ABSTRACT: Aims: Toll-like receptor 4 (TLR4) gene Asp299Gly and Thr399Ile polymorphisms have been reported to be associated with susceptibility to type 2 diabetes mellitus (T2DM) with inconsistent results. In an effort to clarify earlier inconclusive results, a meta-analysis evaluating the precise associations between TLR4 gene Asp299Gly and Thr399Ile polymorphisms and T2DM risk was performed. Methods: We searched the PubMed, Embase, Web of Science, CBMdisc, CNKI, and Google Scholar until July 17, 2014. Additionally, hand searching of the references of identified articles were performed. Original observational studies dealing with the associations between TLR4 gene Asp299Gly and Thr399Ile polymorphisms and T2DM risk were selected. Heterogeneity and publication bias were determined and the meta-analysis was performed by Review Manager 5.1.4 and Stata 11.0. Results: Seventeen articles involving 25 studies were included in the final meta-analysis, covering a total of 5963 T2DM cases and 9096 controls. For TLR4 gene Asp299Gly polymorphism, 17 studies were combined showing no evidence for association between TLR4 gene Asp299Gly polymorphism and T2DM risk. For TLR4 gene Thr399Ile polymorphism, eight studies were combined. There was also lack of evidence for significant association between TLR4 gene Thr399Ile polymorphism and T2DM risk. In addition, the similar results were obtained in the sensitivity analyses. Conclusions: The present meta-analysis indicates that TLR4 gene Asp299Gly and Thr399Ile polymorphisms are not associated with increased T2DM risk.
    No preview · Article · Jan 2015 · Diabetes Research and Clinical Practice
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    ABSTRACT: Introduction: ATP-binding cassette transporter 1 (ABCA1), a member of the ATP-binding cassette family, plays a critical role in the development of atherosclerosis (AS). This meta-analysis was performed to assess the associations of ABCA1 C69T and V825I polymorphisms with AS susceptibility. Materials and methods: A comprehensive search was conducted to identify all eligible studies from PubMed, Embase, Web of Science, Cochrane database, CBMdisc, CNKI and Google Scholar. Additionally, hand searching of the references of identified articles was performed. All statistical analyses were done with Review Manager 5.1.4 and Stata 11.0. Results: Eleven articles involving 14 studies were included in the final meta-analysis. For the ABCA1 C69T polymorphism, six studies involving 1854 AS cases and 5744 controls were combined showing significant association between this variant and AS risk (for T allele vs. C allele: OR =1.44, 95% CI =1.04-1.24, p =0.005; for T/T vs. C/C: OR =1.39, 95% CI =1.12-1.73, p =0.003; for T/T vs. C/T+C/C: OR =1.34, 95% CI =1.09-1.65, p =0.006; for T/T+C/T vs. C/C: OR =1.13, 95% CI =1.01-1.27, p =0.040). For the ABCA1 V825I polymorphism, eight studies involving 2026 AS cases and 8696 controls were combined. There was no significant association between the variant and AS risk (for I allele vs. V allele: OR =1.18, 95% CI =0.90-1.53, p =0.230; for I/I vs. V/V: OR =1.29, 95% CI =0.75-2.23, p =0.360; for I/I vs. V/I+V/V: OR =1.40, 95% CI =0.87-2.26, p =0.160; for I/I+V/I vs. V/V: OR =1.15, 95% CI =1.00-1.33, p =0.060). Conclusions: This meta-analysis suggested that the ABCA1 C69T polymorphism was associated with an increased AS risk. Furthermore, there was no significant association between the ABCA1 V825I polymorphism and AS risk.
    No preview · Article · Nov 2014 · Thrombosis Research
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    ABSTRACT: Osteoarthritis (OA) is one of the most common skeletal disease, which seriously affects the quality of life of patients, particularly in the middle-aged and elderly individuals. We aimed to explore whether rs9340799 [estrogen receptor alpha (ER-α) XbaI A/G] polymorphism was associated with OA using a meta-analysis. A literature search for eligible studies published before March 28, 2014 was conducted in the PubMed, Web of Science, Embase, Cochrane database, Current Controlled Trials, Clinicaltrials.gov, Chinese Clinical Trial Registry, CBMdisc, CNKI, Google Scholar and Baidu Library. The association between the rs9340799 polymorphism and OA risk was assessed by odds ratios (ORs) together with their 95 % confidence intervals (CIs). A total of 663 articles were found. After article review and quality assessment, 10 articles involving 2,924 OA cases and 5,868 controls were included in the final meta-analysis. The combined evidence suggested that rs9340799 polymorphism contributed significantly to an increased risk of OA (for G allele vs. A allele: OR = 1.21, 95 % CI 1.03-1.43, p = 0.02; for G/G vs. A/A: OR = 1.30, 95 % CI 1.07-1.57, p = 0.009). In the subgroup analyses, significant associations were found between the rs9340799 polymorphism and the OA risk in the European group, Asian group, and knee osteoarthritis group, respectively. These results suggested that the rs9340799 polymorphism might be associated with the risk of OA. However, the results should be interpreted with caution because of the publication bias.
    No preview · Article · Oct 2014 · Molecular Genetics and Genomics
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    ABSTRACT: Several studies have investigated whether the polymorphism in the apolipoprotein A5 (APOA5) is associated with type 2 diabetes mellitus (T2DM) risk. However, those studies have produced inconsistent results. The purpose of this study was to investigate whether the APOA5 -1131T/C polymorphism (rs662799) confers significant susceptibility to T2DM using a meta-analysis. PubMed, Embase, Web of Science, Cochrane database, CBMdisc, CNKI and Google Scholar were searched to get the genetic association studies. All statistical analyses were done with Stata 11.0. A total of 19 studies included 4,767 T2DM cases and 10,370 controls (four studies involving 555 T2DM cases and 2958 controls were performed among Europeans and 15 studies involving 4212 T2DM cases and 7412 controls were performed among Asians) were combined showing significant association between the APOA5 -1131T/C polymorphism and T2DM risk (for C allele vs. T allele: OR = 1.28, 95% CI = 1.17-1.40, p<0.00001; for C/C vs. T/T: OR = 1.57, 95% CI = 1.35-1.83, p<0.00001; for C/C vs. T/C+T/T: OR = 1.36, 95% CI = 1.18-1.57, p<0.0001; for C/C+T/C vs. T/T: OR = 1.32, 95% CI = 1.16-1.51, p<0.0001). In the subgroup analysis by ethnicity, significant association was also found among Asians (for C allele vs. T allele: OR = 1.31, 95% CI = 1.22-1.40, p<0.00001; for C/C vs. T/T: OR = 1.61, 95% CI = 1.38-1.88, p<0.00001; for C/C vs. T/C+T/T: OR = 1.39, 95% CI = 1.20-1.61, p<0.0001; for C/C+T/C vs. T/T: OR = 1.42, 95% CI = 1.25-1.62, p<0.00001). However, no significant association was found between the APOA5 -1131T/C polymorphism and T2DM risk among Europeans. The present meta-analysis suggests that the APOA5 -1131T/C polymorphism is associated with an increased T2DM risk in Asian population.
    Full-text · Article · Feb 2014 · PLoS ONE
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    ABSTRACT: It remains controversial regarding the association between toll-like receptor 4 (TLR4) gene Asp299Gly (+896 A/G) polymorphism and myocardial infarction (MI) risk. Thus, a large-scale meta-analysis evaluating the potential association between this gene variant and MI risk is required. PubMed, Embase, Web of Science, CBMdisc, CNKI, and Google Scholar were searched until February 6, 2013. All the statistical tests were performed using Stata 11.0. Nine articles involving 10 studies were included in the final meta-analysis, covering a total of 8299 MI cases and 6849 controls. Overall, no significant association was found between the TLR4 gene Asp299Gly polymorphism and MI risk (G allele vs. A allele: OR = 0.95, 95% CI = 0.74-1.22, p = 0.71; G/G vs. A/A: OR = 1.03, 95% CI = 0.54-1.98, p = 0.93; G/G vs. A/G+A/A: OR = 1.05, 95% CI = 0.55-2.03, p = 0.87; G/G+A/G vs. A/A: OR = 0.92, 95% CI = 0.75-1.13, p = 0.42). In the subgroup analysis based on source of controls, there was also lack of evidence for significant association between the TLR4 gene Asp299Gly polymorphism and MI risk. In summary, the present meta-analysis indicated that the TLR4 gene Asp299Gly polymorphism was not associated with MI risk.
    No preview · Article · Nov 2013 · Human immunology
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    ABSTRACT: Several epidemiological studies have assessed the associations of interleukin (IL) gene polymorphisms with acute pancreatitis (AP) in different populations. However, the results were inconclusive. Therefore, we performed the present study to comprehensively evaluate the associations of IL gene polymorphisms and susceptibility to AP. Systematic searches of the PubMed, Web of Science, Embase, CNKI, CBMdisc and Google Scholar until February 27, 2013, as well as hand searching of the references of identified articles were performed. Data were extracted using standardized forms and odds ratios (ORs) with 95 % confidence intervals (CIs) were used to assess the strength of associations. All statistical analyses were performed using Stata 11.0. Ten studies were included in our final combined analysis, covering a total of 1,220 AP cases and 1,351 controls. The results showed evidence for significant association between IL-8 -251 T/A (rs4073) polymorphism and AP risk, suggesting that IL-8 -251 A allele was associated with an increased risk of AP (for A allele vs. T allele: OR = 1.36, 95 % CI 1.05-1.76, p = 0.02; for A/A vs. T/T: OR = 2.28, 95 % CI 1.08-4.81, p = 0.03; for A/A+T/A vs. T/T: OR = 1.40, 95 % CI 1.11-1.77, p = 0.005). However, there were no significant associations between IL-1β (IL-1β +3954 C/T (rs1143634) and IL-1β -511 C/T (rs16944)), IL-6 (IL-6 -174 G/C (rs1800795) and IL-6 -634 C/G (rs1800796)) and IL-10 (IL-10 -1082 A/G (rs1800896), IL-10 -819 C/T (rs1800871) and IL-10 -592 C/A (rs1800872)) gene polymorphisms and AP risk. In summary, the current study suggests that the IL-8 -251 T/A polymorphism is associated with an increased risk of AP. In addition, there were no significant associations between IL-1β, IL-6 and IL-10 gene polymorphisms and AP risk.
    No preview · Article · Sep 2013 · Molecular Biology Reports
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    ABSTRACT: Objectives: Tumor necrosis factor alpha (TNF-α) gene (-238 G/A [rs361525] and -308 G/A [rs1800629]) polymorphisms have been extensively studied in relation to various diseases, several epidemiologic studies have been performed to investigate the associations of TNF-α gene polymorphisms with pneumoconiosis; however, the results of these studies were not entirely consistent. In an effort to clarify earlier inconclusive results, we performed this meta-analysis of case-control genetic association studies. Methods: We identified eligible studies by searching the relevant databases, including PubMed, Embase, Web of Science, CBMdisc, CNKI, and Google Scholar, until February 15, 2013. Additionally, hand searching of the references of identified articles were performed. Heterogeneity and publication bias across studies were determined and the meta-analysis was performed by Stata 11.0. Results: Fourteen articles involving 20 studies were included in the final meta-analysis, covering a total of 1935 pneumoconiosis cases and 3753 controls. The results showed evidence for significant association between TNF-α gene -308 G/A polymorphism and pneumoconiosis risk, suggesting that TNF-α gene -308 A allele may be a risk factor for pneumoconiosis (for A allele vs. G allele: OR = 1.41, 95% CI = 1.10-1.81, p = 0.01; for A/A + G/A vs. G/G: OR = 1.52, 95% CI = 1.21-1.91, p < 0.01). For TNF-α gene -238 G/A polymorphism, no significant association was found between this genetic variation and pneumoconiosis risk. Conclusions: This meta-analysis indicates that TNF-α gene -308 G/A polymorphism is associated with an increased pneumoconiosis risk.
    No preview · Article · Aug 2013 · Current Medical Research and Opinion
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    ABSTRACT: Epidemiological studies have evaluated the association between apolipoprotein E (ApoE) gene polymorphism and coronary artery disease (CAD) risk which developed inconsistent conclusions. To derive a more precise estimation of the relationship in Chinese population, we performed this meta-analysis. Databases, including PubMed, EMbase, Web of Science, CBMdisc and CNKI, were searched to get the genetic association studies. Additionally, hand searching of the references of identified articles were performed. All the statistical tests were performed using Review Manager 5.1.2 and Stata 11.0. We identified a total of 40 studies, including 4,564 CAD cases and 3,985 controls. The results showed evidence for significant association between ApoE ε4 allele and CAD risk (for ε2/ε4 vs. ε3/ε3: OR = 1.86, 95% CI = 1.42-2.43, p<0.00001; for ε3/ε4 vs. ε3/ε3: OR = 2.34, 95% CI = 2.07-2.65, p<0.00001; for ε4/ε4 vs. ε3/ε3: OR = 2.89, 95% CI = 1.87-4.47, p<0.00001; for ε4 allele vs. ε3 allele: OR = 2.11, 95% CI = 1.91-2.35, p<0.00001). The present meta-analysis suggests an association between ApoE ε4 allele and increased risk of CAD in Chinese population. However, due to the small sample size in most of the included studies and the selection bias existed in some studies, the results should be interpreted with caution.
    Preview · Article · Jun 2013 · PLoS ONE
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    ABSTRACT: Increasing evidence suggests that interleukin 10 (IL 10) gene -1082 A/G (rsl800896) polymorphism may be associated with an increased risk of type 2 diabetes mellitus (T2DM). However, the results are inconsistent. The aim of this study is to analyze the association between this variant and the T2DM risk by meta-analysis. PubMed, Embase, Web of Science, and Google Scholar were searched from January 1, 1989 to February 17, 2012, as well as hand searching of the references of identified articles were performed. All the statistical tests were performed using Stata 11.0. Seven case-control studies were identified, covering a total of 1879 T2DM cases and 2371 controls. The results showed evidence of significant association between IL 10 gene -1082 A/G polymorphism and T2DM risk (for G/G+G/A vs. A/A: OR=1.21, 95% CI=1.05-1.40, p=0.010, p=0.040 after Bonferroni testing). In the subgroup analysis by ethnicity, no significant association was found between IL 10 gene -1082 A/G polymorphism and T2DM risk in Europeans. In summary, results from this meta-analysis provide evidence that IL 10 gene -1082 G allele is associated with increased risk of T2DM.
    No preview · Article · Mar 2013 · Cytokine
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    ABSTRACT: It remains controversial regarding the association between interleukin-8 (IL-8) gene −251 T/A polymorphism and peptic ulcer disease (PUD) risk. Thus, a large-scale meta-analysis evaluating the precise association between this gene variant and PUD risk is required. We searched the PubMed, Embase, Web of Science, and Google Scholar until April 25, 2012. Additionally, hand searching of the references of identified articles were performed. All the statistical tests were performed using Stata 11.0. A total of eight studies (3105 subjects) were included in this meta-analysis. Overall, no significant association was found between IL-8 gene −251 T/A polymorphism and PUD risk (for A allele vs. T allele: OR = 1.17, 95% CI = 0.97–1.41, p = 0.094; for A/A vs. T/T: OR = 1.33, 95% CI = 0.94–1.90, p = 0.108; for A/A vs. A/T + T/T: OR = 1.22, 95% CI = 0.97–1.52, p = 0.083; for A/A + A/T vs. T/T: OR = 1.26, 95% CI = 0.95–1.67, p = 0.113). However, in the subgroup analyses by ethnicity, H. pylori infection and the subtype of PUD, significant associations were found between IL-8 gene −251 T/A polymorphism and PUD risk in Asians, H. pylori+, duodenal ulcer disease (DUD) and gastric ulcer disease (GUD), respectively. In summary, the present meta-analysis suggests that IL-8 gene −251 T/A polymorphism is associated with increased PUD risk among Asians, and especially for the subgroups of H. pylori+, DUD and GUD.
    No preview · Article · Jan 2013 · Human immunology
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    ABSTRACT: The association between the interleukin-6 (IL-6) gene -572 C/G (rs1800796) polymorphism and type 2 diabetes mellitus (T2DM) risk remains controversial. Thus, we performed this meta-analysis by searching PubMed, Embase, Web of Science, CBMdisc and CNKI databases until January 30, 2012. In addition, hand searching of the references of identified articles was performed. A total of 10 case-control studies including 11,681 subjects were selected to evaluate the possible association. Our results showed evidence for significant association between the IL-6 gene -572 C/G polymorphism and T2DM risk (for G allele vs. C allele: odds ratio [OR] = 1.29, 95% confidence interval [CI] = 1.09-1.52, P = 0.002, P = 0.008 after Bonferroni testing; for G/G vs. C/C: OR = 1.89, 95% CI = 1.51-2.37, P < 0.00001, P < 0.00004 after Bonferroni testing; for GG vs. G/C + C/C: OR = 1.75, 95% CI = 1.20-2.56, P = 0.004, P = 0.016 after Bonferroni testing; for G/G + G/C vs. C/C: OR = 1.32, 95% CI = 1.11-1.57, P = 0.001, P = 0.004 after Bonferroni testing). In addition, similar results were obtained in the subgroup analysis based on ethnicity. In summary, the present meta-analysis suggests a significant association between the IL-6 gene -572 G allele and increased risk of T2DM.
    No preview · Article · Jan 2013 · Annals of Human Genetics
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    ABSTRACT: Objectives Published data regarding the association between apolipoprotein E (ApoE) gene polymorphism and type 2 diabetes mellitus (T2DM) risk in Chinese Han population were inconclusive. To derive a more precise estimation of the relationship between this variant and T2DM risk in Chinese Han population, we performed this meta-analysis. Design and methods A computerized literature search was conducted to identify the relevant studies from PubMed, EMbase, Web of Science, CBMdisc, CNKI, and Google Scholar. Additionally, hand searching of the references of identified articles was performed. All the statistical tests were performed using Stata 11.0. Results A total of 29 articles with 4,615 T2DM cases and 2,867 controls were included in the present meta-analysis. The results showed evidence for significant association between ApoE gene polymorphism and T2DM risk (for ε2/ε3 vs. ε3/ε3: OR = 1.37, 95% CI = 1.12-1.68, P < 0.01; for ε3/ε4 vs. ε3/ε3: OR = 1.53, 95% CI = 1.23-1.91, P < 0.01; for ε4/ε4 vs. ε3/ε3: OR = 1.86, 95% CI = 1.22-2.84, P < 0.01; for ε2 allele vs. ε3 allele: OR = 1.28, 95% CI = 1.08-1.52, P = 0.01; for ε4 allele vs. ε3 allele: OR = 1.43, 95% CI = 1.22-1.68, P < 0.01). In addition, significant association was also found between ApoE gene polymorphism and diabetic nephropathy (DN) risk. Conclusions The results of this meta-analysis suggest that the ApoE ε2 and ε4 alleles may be associated with increased risks of T2DM and DN in Chinese Han population. Additional well-designed genome-wide association studies are required to confirm these results.
    No preview · Article · Jan 2013 · Metabolism: clinical and experimental
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    ABSTRACT: Background and objectives: Epidemiological studies have evaluated the associations between interleukin-6 (IL-6) gene -174 C/G (rs1800795) and -572 C/G (rs1800796) polymorphisms and gastric cancer (GC) risk, but results and conclusions remain controversial. In order to derive a more precise estimation of the associations, we performed this meta-analysis. Methods: A meta-analysis was conducted to estimate the associations between IL-6 gene -174 C/G and -572 C/G polymorphisms and GC risk. Results: Nine articles involving 13 studies were included in the final meta-analysis, covering a total of 1,581 GC cases and 2,563 controls. For IL-6 gene -174 C/G polymorphism, nine studies were combined showing no evidence for associations between IL-6 gene -174 C/G polymorphism and GC risk. For IL-6 gene -572 C/G polymorphism, four studies were combined. There was also lack of evidence for significant association between IL-6 gene -572 C/G polymorphism and GC risk. In addition, the similar results were obtained in the subgroup analyses and cumulative meta-analysis. Conclusions: The present meta-analysis suggests that IL-6 gene -174 C/G and -572 C/G polymorphisms are not associated with GC risk. However, due to the small subjects included in analysis and the selection bias in some studies, the results should be interpreted with caution.
    No preview · Article · Dec 2012 · Journal of Surgical Oncology
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    ABSTRACT: Epidemiological studies have evaluated the association between interleukin-6 (IL-6) gene -174G/C polymorphism and type 1 diabetes mellitus (T1DM) risk, but results of different studies have been inconsistent. The present meta-analysis was therefore designed to clarify these controversies. PubMed, Embase and Web of Science were searched from the first available year to March 25, 2012, as well as hand searching of the references of identified articles were performed. All studies investigating the association between IL-6 gene -174G/C polymorphism and T1DM risk were included. Data analyses were carried out by Review Manager 5.1.2 and Stata 11.0. Seven studies were included in the final meta-analysis, covering a total of 9697 T1DM cases and 8455 controls. The results showed no evidence for significant association between IL-6 gene -174G/C polymorphism and T1DM risk (for C/C+C/G vs. G/G: OR=1.30, 95% CI=0.84-2.00, p=0.24; for C/C vs. C/G+G/G: OR=1.10, 95% CI=0.75-1.60, p=0.63; for C/C vs. G/G: OR =1.34, 95% CI=0.75-2.42, p=0.33; for C allele vs. G allele: OR=1.16, 95% CI=0.88-1.53, p=0.30). In addtion, the similar results were obtained in the subgroup analysis based on ethnicity. In summary, the present meta-analysis suggests that IL-6 gene -174G/C polymorphism is not associated with T1DM risk. However, due to the small sample size in most of the included studies and the selection bias existed in some studies, the results should be interpreted with caution.
    No preview · Article · Dec 2012 · Gene
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    ABSTRACT: Increasing evidence suggests that interleukin-10 (IL-10) gene -592 C/A polymorphism may be associated with an increased risk of type 2 diabetes mellitus (T2DM). To provide a quantitative assessment of the association between this variant and risk of T2DM, we performed this meta-analysis. Systematic searches of electronic databases PubMed, Embase, Web of Science, CBMdisc and CNKI, as well as hand searching of the references of identified articles were performed. A total of 2698 T2DM cases and 2622 controls in seven case-control studies were included in this meta-analysis. The results showed no evidence for significant association between IL-10 gene -592 C/A polymorphism and T2DM risk (for A allele vs. C allele: OR=0.94, 95% CI=0.69-1.29, p=0.69; for A/A vs. C/C: OR=0.88, 95% CI=0.39-1.98, p=0.75; for A/A vs. A/C+C/C: OR=1.04, 95% CI=0.59-1.82, p=0.89; for A/A+A/C vs. C/C: OR=1.11, 95% CI=0.73-1.69, p=0.61). In addition, the similar results were obtained in the subgroup analysis based on the ethnicity. In summary, results from this meta-analysis suggest that the IL-10 gene -592 C/A polymorphism is not associated with T2DM risk.
    No preview · Article · Jun 2012 · Human immunology
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    ABSTRACT: Interleukin-6 (IL-6) gene -174 G/C polymorphism has been reported to be associated with coronary heart disease (CHD), but the results remain inconclusive. The present meta-analysis was therefore designed to clarify these controversies. This meta-analysis was performed by searching PubMed, Embase and Web of Science databases. A total of 20 studies including 9619 CHD cases and 10,919 controls were combined showing no evidence of association between IL-6 gene -174 G/C polymorphism and CHD risk (for C/C+C/G vs. G/G: OR=1.10, 95% CI=0.99-1.22, p=0.07; for C/C vs. C/G+G/G: OR=1.08, 95% CI=0.93-1.24, p=0.33; for C/C vs. G/G: OR=1.16, 95% CI=0.97-1.39, p=0.11; for C allele vs. G allele: OR=1.10, 95% CI=1.00-1.21, p=0.06). Moreover, we also did not find significant association between IL-6 gene -174 G/C polymorphism and myocardial infarction (MI) risk. However, in the subgroup analysis by ethnicity, significant association was found among Asians (for C/C+C/G vs. G/G: OR=1.35, 95% CI=1.05-1.63, p=0.02). In summary, the present meta-analysis suggests that IL-6 gene -174 G/C polymorphism is associated with increased CHD risk among Asians. However, due to the small subjects included in the subgroup analysis of Asians, the results should be interpreted with caution.
    No preview · Article · May 2012 · Gene
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    ABSTRACT: Epidemiologic studies have evaluated the association between tumor necrosis factor-alpha (TNF-α) gene -308A/G polymorphism and the risk of acute pancreatitis (AP), but the results are inconsistent. In order to derive a more precise estimation of the associations, a meta-analysis was performed. Systematic searches of electronic databases PubMed, Embase, and Web of Science, as well as hand searching of the references of identified articles, were performed. All case-control studies investigating the association between TNF-α gene -308A/G polymorphism and AP risk were included. The association was assessed by odds ratio (OR) with 95% confidence intervals (CIs). Publication bias was analyzed by Begg's funnel plot and Egger's regression test. The initial search revealed 818 potentially eligible studies. Having read the title, abstract, or full text, we included six relevant studies in the final meta-analysis, which contained 1,006 AP cases and 782 controls. Overall, no significant association was found between TNF-α gene -308A/G polymorphism and AP risk when all studies were pooled into the meta-analysis (for A/A+A/G versus G/G: OR = 1.03, 95% CI = 0.83-1.28, P = 0.79; for A/A versus A/G+G/G: OR = 0.97, 95% CI = 0.65-1.45, P = 0.87; for A/A versus G/G: OR = 1.23, 95% CI = 0.79-1.91, P = 0.37; for A allele versus G allele: OR = 0.99, 95% CI = 0.83-1.18, P = 0.90). In addition, the similar results were obtained in the subgroup analysis based on the ethnicity and subtype of AP. The present meta-analysis reveals that the TNF-α gene -308A/G polymorphism is not associated with AP risk. However, due to the small number of subjects included in analysis and the selection bias in some studies, the results should be interpreted with caution.
    No preview · Article · Apr 2012 · Journal of Surgical Research

Publication Stats

109 Citations
48.29 Total Impact Points

Institutions

  • 2012-2015
    • General Hospital of the Air Force, PLA
      Peping, Beijing, China