Research Article

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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 ... more

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Chronic obstructive pulmonary disease (COPD) is an important respiratory disease with high mortality. Although smoking is the major environmental risk factor for the development of COPD, only 10% of heavy smokers develop symptomatic disease, suggesting association between genetic susceptibilities and environmental influences. In recent years, as one of the most widely studied genes ... more

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Y. Yang; Y.Y. Luo; S. Wu; Y.D. Tang; X.D. Rao; L. Xiong; M. Tan; M.Z. Deng; H. Liu; Y. Yang; Y.Y. Luo; S. Wu; Y.D. Tang; X.D. Rao; L. Xiong; M. Tan; M.Z. Deng; H. Liu; Y. Yang; Y.Y. Luo; S. Wu; Y.D. Tang; X.D. Rao; L. Xiong; M. Tan; M.Z. Deng; H. Liu
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Epigenetic inactivation of Ras-associated domain family 1A (RASSF1A) by hyper-methylation of its promoter region has been identified in various cancers. However, the role of RASSF1A in renal cancer has neither been thoroughly investigated nor reviewed. In this study, we reviewed and performed a meta-analysis of 13 published studies reporting correlations between ... more

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Results from previous studies on the association between methylenetetrahydrofolate reductase (MTHFR) polymorphisms C677T and A1298C and lung cancer have been conflicting. The aim of this meta-analysis was to clarify the effect of MTHFR polymorphisms on the risk of lung cancer. An electronic search of PubMed, EMBASE, the Cochrane library, and the China Knowledge Resource ... more

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The association between the single nucleotide polymorphism rs762551 in the cytochrome P450 family 1, subfamily A2 gene (CYP1A2) and caffeine consumption remains controversial. We conducted a meta-analysis to clarify this potential association. Twelve studies were selected from articles retrieved from the and Google Scholar databases, and the data were analyzed to determine the ... more

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Although various individual studies have evaluated the correlation between monoamine oxidase B (MAOB), polymorphism, and Parkinson’s disease (PD), the results remain inconclusive. Therefore, we performed a meta-analysis in the Chinese population to provide comprehensive data on the association between the MAOB polymorphism and PD. Eligible studies were identified via databases such as ... more

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Although various individual studies have evaluated the correlation between monoamine oxidase B (MAOB), polymorphism, and Parkinson’s disease (PD), the results remain inconclusive. Therefore, we performed a meta-analysis in the Chinese population to provide comprehensive data on the association between the MAOB polymorphism and PD. Eligible studies were identified via databases such as ... more

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