west china medical publishers
Keyword
  • Title
  • Author
  • Keyword
  • Abstract
Advance search
Advance search

Search

find Keyword "SNP" 5 results
  • Polymorphism of Resistin Gene SNP-420C/G and Risks to Type 2 Diabetes among the Chinese Han Population: A Meta-analysis

    Objective To investigate the association of the polymorphism of resistin gene SNP-420C/G and type 2 diabetes (T2DM) among the Chinese Han population. Methods Such databases as CNKI, WanFang database, VIP, SinoMed, and PubMed were electronically searched from January 2001 to July 2010 to collect case-control studies on polymorphism of resistin gene SNP-420C/G and T2DM among the Chinese Han population. The quality of the included studies was evaluated and the data was extracted. RevMan 4.2 software was used for meta-analyses. Results A total of five case-control studies were identified, involving 709 cases in the T2DM group and 572 cases in the control group. The results of meta-analysis showed that the Chinese Han population with CC genotypes of SNP-420 had no higher risks to T2DM (OR=1.02, 95%CI 0.81 to 1.29), and the Chinese Han population with GG genotypes of SNP-420 still had no higher risks to T2DM (OR=1.34, 95%CI 0.95 to 1.90). Conclusion Current evidence suggests that there is no association between the polymorphism of resistin gene SNP-420C/G and risk to T2DM among the Chinese Han population.

    Release date:2016-09-07 11:03 Export PDF Favorites Scan
  • Association of MDM2 Gene Promoter SNP 309 Polymorphism with Leukemia Susceptibility: A Meta-Analysis of Case-Control Studies

    Objective To investigate the association between MDM2 gene promoter SNP 309 polymorphism and leukemia susceptibility. Methods Such databases as Ovid, EBSCO, PubMed, CNKI, CBM, VIP and WanFang Data were searched to collect the case-control studies published from January 1990 to June 2012. According to the inclusion and exclusion criteria, the studies were screened, the data were extracted, and the methodological quality of the included studies was evaluated. Then meta-analysis was conducted using RevMan 5.0 and Stata 10.0 software, the pooled odds ratio (ORs) with 95% confidence interval (CI) were calculated, and the sensitivity and publication bias were evaluated at the same time. Results A total of 9 studies within 8 articles were included, which involved 1 821 cases and 5 642 controls. The results of meta-analysis showed that, the susceptibility of leukemia was increased in the G allele carriers compared with the T allele carriers (OR=1.26, 95%CI 1.08 to 1.46, P=0.003), and the leukemia risk was higher in the GG genotype populations compared with the TT genotype populations (OR=1.46, 95%CI 1.02 to 2.10, P=0.04). Among Asians with recessive models, the leukemia risk was higher in the homozygous GG genotype compared with both the heterozygous GT genotype and the homozygous TT genotype (OR=2.00, 95%CI 1.37 to 2.92, P=0.000 3). There was no obvious publication bias. Conclusion MDM2 gene promoter SNP 309 polymorphism is associated with the susceptibility of leukemia, and the G allele is likely to be the risk factor for leukemia.

    Release date: Export PDF Favorites Scan
  • MDM2 –309 T>G Gene Polymorphism and Gastric Cancer Risk in Eastern Asian Population: A Meta-Analysis

    Objective To investigate the correlation between MDM2 SNP309 and gastric cancer (GC) risk in Eastern Asian population. Methods Two reviewers independently searched MEDLINE, EMbase and CBM (from January 1st, 1990 to October 23rd, 2012) for case-control studies on the correlation between MDM2 SNP309 and GC risk in Eastern Asian population. Two reviewers independently screen literature, extracted the data, and assessed the methodological quality. Then meta-analysis was performed using RevMan 5.0 software. Results 5 case-control studies were finally included involving 1 621 GC cases and 2 639 controls. The pooled results showed that the variant homozygote (309GG genotype) was significantly associated with an increased risk of GC as compared to wild-type homozygote (309TT genotype: OR=1.54, 95% CI 1.04 to 2.29, P=0.02). Nevertheless, no association was found in comparison of variant heterozygote (309TG genotype) between wild-homozygote (309TT genotype: OR=1.03, 95% CI 0.75 to 1.42, P=0.006). A significantly increased risk of GC was observed for the recessive model (GG vs. TT/TG: OR=1.49, 95% CI 1.20 to 1.84, P=0.07). While in the dominant model (GG/TG vs. TT), non-significant association was observed (OR=1.18, 95% CI 0.84 to 1.65, P=0.001). Conclusion The MDM2 309GG may be significantly associated with an increased risk of GC among Eastern Asians.

    Release date: Export PDF Favorites Scan
  • CYP3A5基因遗传多态性及临床研究进展

    【摘要】细胞色素酶P450 3A(cytochrome P450 3A,CYP3A)是人体代谢许多内源性化合物、外源性底物及其前致癌物的一类重要的肝脏药物氧化代谢酶,占成人肝脏细胞色素总量的30%,代谢超过50%的临床用药物。而CYP3A5是P450 3A家族中活性最强的酶之一,因存在突变多态性,不同的单核苷酸多态(single nucleotide polymorphism, SNP)可导致药物有不同的代谢活性,对不同SNP的分析可以对个性化用药做出指导。不同的SNP可能还与某些疾病的遗传易感性相关,就上述CYP3A5的遗传多态性及临床意义进行综述。

    Release date:2016-09-08 09:51 Export PDF Favorites Scan
  • Association between MTHFR C677T Polymorphism and Young Adult Ischemic Stroke in Chinese Population: A Meta-Analysis

    ObjectiveTo systematically evaluate the association between MTHFR gene C677T polymorphism and susceptibility to young and middle-aged adult ischemic stroke among Chinese population. MethodsSuch databases as PubMed, EMbase, The Cochrane Library (Issue 11, 2013), CBM, CNKI, VIP and WanFang Data were systemically searched to collect case-control studies published from Jan 1990 to Dec 2013. RevMan 5.2 was used to quantitatively analyzed the qualified and included studies, the pooled odds ratio (ORs) with 95% confidence interval (CI) were calculated; Stata 12.0 software were used for sensitivity and publication bias analysis. ResultsA total of 10 studies were included, which involved 787 cases and 766 controls. The results of meta-analysis showed that, in overall young and middle-aged adult group (aged less than 60), individuals that carried T allele risked more with ischemic stroke than those carried C allele (OR=1.42, 95%CI 1.07 to 1.89, P=0.02); more susceptibility to ischemic stroke was found among people of TT genotype compared with those of CC genotype (OR=2.11, 95%CI 1.58 to 2.81, P=0.00), as well as those of TT+TC genotype compared with CC genotype (OR=1.97, 95%CI 1.55 to 2.51, P=0.00), and those of TT genotype compared with TC+CC genotype (OR=1.42, 95%CI 1.13 to 1.77, P=0.00). Increased risk was also observed in TT+TC genotype compared with CC genotype in young adult subgroup (aged less than 45) (OR=1.66, 95%CI 1.19 to 2.32, P=0.00). ConclusionMTHFR gene C677T polymorphism is significantly associated with susceptibility to young and middle-aged adult ischemic stroke among Chinese population, and more risk may exist in middle-aged adult population.

    Release date: Export PDF Favorites Scan
1 pages Previous 1 Next

Format

Content