Objective To investigate the effects of the B7-H4 gene rs10754339 and miR-125a gene rs12976445 on cancer susceptibility through a case-control study and meta-analysis.Methods A total of 1,490 cancer patients(lung/gast...Objective To investigate the effects of the B7-H4 gene rs10754339 and miR-125a gene rs12976445 on cancer susceptibility through a case-control study and meta-analysis.Methods A total of 1,490 cancer patients(lung/gastric/liver/:550/460/480)and 800 controls were recruited in this case-control study.The meta-analysis was performed by pooling the data from previous related studies and the present study.Results The results of this study showed that in the Hubei Han Chinese population,the rs10754339gene was significantly associated with the risk of lung and gastric cancer but not liver cancer,and the rs12976445 gene was significantly associated with the risk of lung cancer but not liver or gastric cancer.The meta-analysis results indicated that rs10754339 and rs12976445 contributed to cancer susceptibility in the Chinese population and also revealed a significant association between rs10754339and breast cancer risk,as well as between rs12976445 and lung cancer risk.Conclusion The B7-H4 gene rs10754339 and miR-125a gene rs12976445 may be the potential genetic markers for cancer susceptibility in the Chinese population,which should be validated in future studies with larger sample sizes in other ethnic populations.展开更多
目的研究miR-216b影响宫颈癌He La细胞自噬的作用机制。方法转染miR-216b及应用其抑制剂后,利用GFP-LC3 sh RNA转染等方法检测He La细胞的自噬水平,Western blot检测自噬相关基因Beclin-1和LC3-Ⅱ的表达变化。结果 He La细胞转染miR-216...目的研究miR-216b影响宫颈癌He La细胞自噬的作用机制。方法转染miR-216b及应用其抑制剂后,利用GFP-LC3 sh RNA转染等方法检测He La细胞的自噬水平,Western blot检测自噬相关基因Beclin-1和LC3-Ⅱ的表达变化。结果 He La细胞转染miR-216b后,He La细胞中自噬相关基因Beclin-1受到抑制,LC3-Ⅱ的表达增加,细胞自噬受抑,而抑制mi R-216b的表达,自噬水平升高。进一步研究发现,miR-216b能够通过靶结合Beclin-1 3’UTR抑制Beclin-1表达从而抑制细胞自噬的发生。结论 miR-216b能够抑制宫颈癌He La细胞发生自噬,为宫颈癌的临床治疗提供了的理论基础。展开更多
基金supported by the Fundamental Research Funds for the Central Universities (WUT:2020IB029)。
文摘Objective To investigate the effects of the B7-H4 gene rs10754339 and miR-125a gene rs12976445 on cancer susceptibility through a case-control study and meta-analysis.Methods A total of 1,490 cancer patients(lung/gastric/liver/:550/460/480)and 800 controls were recruited in this case-control study.The meta-analysis was performed by pooling the data from previous related studies and the present study.Results The results of this study showed that in the Hubei Han Chinese population,the rs10754339gene was significantly associated with the risk of lung and gastric cancer but not liver cancer,and the rs12976445 gene was significantly associated with the risk of lung cancer but not liver or gastric cancer.The meta-analysis results indicated that rs10754339 and rs12976445 contributed to cancer susceptibility in the Chinese population and also revealed a significant association between rs10754339and breast cancer risk,as well as between rs12976445 and lung cancer risk.Conclusion The B7-H4 gene rs10754339 and miR-125a gene rs12976445 may be the potential genetic markers for cancer susceptibility in the Chinese population,which should be validated in future studies with larger sample sizes in other ethnic populations.