Meta-analysis

Association between peptidyl arginine deiminase 4 (PADI4)-104C/T polymorphism and rheumatoid arthritis: a meta-analysis in the Chinese population

L. L. Gong, Chang, J., Yang, Y. M., Gong, L. L., Chang, J., and Yang, Y. M., “Association between peptidyl arginine deiminase 4 (PADI4)-104C/T polymorphism and rheumatoid arthritis: a meta-analysis in the Chinese population”, vol. 15, p. -, 2016.

The correlation between the -104C/T polymorphism in the peptidyl arginine deiminase 4 (PADI4) gene and rheumatoid arthritis (RA) risk has been analyzed in several studies. However, the results are inconclusive and remain to be confirmed in several ethnic groups. The effect of the PADI4-104C/T polymorphism on RA risk in the Chinese population was evaluated in a meta-analysis. Studies with dates of publication up to July 2015 conforming to the inclusion criteria were retrieved from PubMed and Chinese databases.

Assessment of the link between Vitamin D receptor TaqI gene polymorphism and periodontitis: a meta-analysis in a Chinese population

X. W. Ji, Wang, Y., Cao, C., Zhong, L. J., Ji, X. W., Wang, Y., Cao, C., and Zhong, L. J., “Assessment of the link between Vitamin D receptor TaqI gene polymorphism and periodontitis: a meta-analysis in a Chinese population”, vol. 15, p. -, 2016.

Although a number of studies have been conducted to determine the association between vitamin D receptor (VDR) TaqI polymorphism and periodontitis in the Chinese population, this association remains elusive. To assess the influence of VDR TaqI polymorphism on the risk of periodontitis, a meta-analysis was performed in a Chinese population. Relevant studies were identified using the databases PubMed, Springer Link, Ovid, Chinese Wanfang Data Knowledge Service Platform, Chinese National Knowledge Infrastructure, and Chinese Biology Medicine, through January 2016.

Clinical significance of CTHRC1 protein expression in human cancers: a meta-analysis

S. F. Wang, Yin, Z., Yin, J. J., Zhang, W., Dong, C. G., Wang, S. F., Yin, Z., Yin, J. J., Zhang, W., and Dong, C. G., “Clinical significance of CTHRC1 protein expression in human cancers: a meta-analysis”, vol. 15, p. -, 2016.

The aim of this meta-analysis was to investigate the overall diagnostic and prognostic values of CTHRC1 expression in human cancer development. Based on the inclusion and exclusion criteria, 8 cohort studies were included in the meta-analysis. The data were extracted, and analyses were performed using a random-effects model. Summary odds ratios (ORs) and effect sizes (ESs) with 95% confidence intervals (CIs) were calculated to assess the strength of the associations. A total of 1065 cancer patients from the 8 studies were included in the meta-analysis.

Association of CYP1A1 MspI polymorphism with oral cancer risk in Asian populations: a meta-analysis

J. L. Xu, Xia, R., Sun, L., Min, X., Sun, Z. H., Liu, C., Zhang, H., Zhu, Y. M., Xu, J. L., Xia, R., Sun, L., Min, X., Sun, Z. H., Liu, C., Zhang, H., and Zhu, Y. M., “Association of CYP1A1 MspI polymorphism with oral cancer risk in Asian populations: a meta-analysis”, vol. 15, p. -, 2016.

Numerous studies regarding the association between the CYP1A1 MspI polymorphism and oral cancer risk in Asian populations have shown controversial results. To get a more precise estimation of this relationship, we conducted a comprehensive meta-analysis. PubMed, the Cochrane Library, Elsevier Science Direct, Web of Knowledge, the Chinese National Knowledge Infrastructure, VIP, and Wan Fang Med Online were searched. Pooled odds ratios (ORs) with 95% confidence intervals (95%CIs) were calculated using fixed-effects or random-effects models.

Association between the XPG gene Asp1104His polymorphism and lung cancer risk

B. Zhou, Hu, X. M., Wu, G. Y., Zhou, B., Hu, X. M., and Wu, G. Y., “Association between the XPG gene Asp1104His polymorphism and lung cancer risk”, vol. 15, p. -, 2016.

It has been suggested that the xeroderma pigmentosum complementation group G (XPG) gene Asp1104His polymorphism is linked to susceptibility to lung cancer. However, the results from the published studies are contradictory rather than conclusive. With this meta-analysis, we aimed to achieve a better understanding of the effects of the XPG gene Asp1104His polymorphism on lung cancer risk. We identified six eligible studies from five publications that included a total of 2293 lung cancer patients and 2586 controls.

Meta-analysis of the IL-10 promoter polymorphisms and pediatric asthma susceptibility

Z. Y. Huang, Cheng, B. J., Wan, Y., Zhou, C., Huang, Z. Y., Cheng, B. J., Wan, Y., and Zhou, C., “Meta-analysis of the IL-10 promoter polymorphisms and pediatric asthma susceptibility”, vol. 15, p. -, 2016.

The results of previous epidemiological studies exploring the relationship between interleukin-10 (IL-10) promoter polymorphisms and susceptibility to pediatric asthma are not consistent. Therefore, we have performed a systematic review and meta-analysis to provide a more convincing conclusion. Odds ratios (OR) with their 95% confidence intervals (CIs) were used to evaluate the strength of association between the IL-10 promoter polymorphisms and susceptibility to pediatric asthma. Publication bias was examined by Begg’s funnel plots and the Egger test.

Meta-analysis of correlation between the CYP1A2 -3860 G > A polymorphism and lung cancer risk

J. Ren, He, B. Z., Zhang, T. S., Lu, S. P., Yan, T., Ren, J., He, B. Z., Zhang, T. S., Lu, S. P., and Yan, T., “Meta-analysis of correlation between the CYP1A2 -3860 G > A polymorphism and lung cancer risk”, vol. 15, p. -, 2016.

The aim of this meta-analysis was to assess the association between a polymorphism (-3860 G > A) in the cytochrome P450 1A2 (CYP1A2) gene and lung cancer susceptibility. Relevant studies were retrieved from the PubMed and EMBase databases, and additionally evaluated for conformance with the inclusion criteria. The odds ratios (ORs) and their 95% confidence intervals (95%CIs) in all selected studies were used to assess the relationship between the CYP1A2 -3860 G > A polymorphism and lung cancer risk. The data was pooled using Stata v.11.

Glutathione S-transferase P1 rs1695 A>G polymorphism and breast cancer risk: evidence from a meta-analysis

M. Kuang, Xu, W., Cao, C. X., Shen, L. L., Chang, J., Zhang, X. L., Chen, J. F., Tang, C. J., Kuang, M., Xu, W., Cao, C. X., Shen, L. L., Chang, J., Zhang, X. L., Chen, J. F., and Tang, C. J., “Glutathione S-transferase P1 rs1695 A>G polymorphism and breast cancer risk: evidence from a meta-analysis”, vol. 15, p. -, 2016.

Breast cancer (BC) is the most widespread cause of cancer-related deaths in women. Many published studies have assessed the association between the glutathione S-transferase P1 (GSTP1) rs1695 polymorphism and BC risk. However, the effect of the GSTP1 rs1695 polymorphism on BC risk has remained controversial. Therefore, this meta-analysis was conducted to obtain a comprehensive estimation of this association. A total of 20,615 cases and 20,481 controls from thirty-six case-control trials were extracted from an online literature survey.

Meta-analysis of the correlation between the TNF-α308G/A polymorphism and polycystic ovary syndrome

X. B. Liu, Deng, X. H., Zhou, B., Zhang, L., Niu, X. M., Liu, X. B., Deng, X. H., Zhou, B., Zhang, L., and Niu, X. M., “Meta-analysis of the correlation between the TNF-α308G/A polymorphism and polycystic ovary syndrome”, vol. 15, p. -, 2016.

Previous studies have suggested that the tumor necrosis factor alpha (TNF-α) gene 308G/A polymorphism may be associated with polycystic ovary syndrome (PCOS) risk. However, this relationship is controversial. The present meta-analysis aimed to evaluate the correlation between the TNF-α308G/A polymorphism and susceptibility to PCOS. A systematic electronic search of PubMed and Embase databases was conducted using specific inclusion criteria.

RUNX3 promoter methylation correlation with pathogenesis of hepatocellular carcinoma in Asians

W. Lu, Liu, Y., Liu, L. - L., Zhuang, P. - H., Lu, W., Liu, Y., Liu, L. - L., and Zhuang, P. - H., “RUNX3 promoter methylation correlation with pathogenesis of hepatocellular carcinoma in Asians”, vol. 15, p. -, 2016.

The aim of this study was to elucidate the role of RUNX3 promoter methylation in the pathogenesis of hepatocellular carcinoma (HCC) among Asians. For this purpose, we performed a comprehensive search of Chinese and English language scientific literature databases using stringent selection criteria; ultimately, we identified relevant studies that specifically assessed the correlation between RUNX3 promoter methylation and HCC. All data was retrieved and analyzed by two independent investigators using the STATA software (version 12.0).

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