Objective:To investigate the effect of microRNA(miR-184)on regulating the genesis.development and prolifration of glioma cells.Methods:Lipidosome was used to transfect miR-184 mimic and inhibitor to glioma cell ling,a...Objective:To investigate the effect of microRNA(miR-184)on regulating the genesis.development and prolifration of glioma cells.Methods:Lipidosome was used to transfect miR-184 mimic and inhibitor to glioma cell ling,and the cell proliferation ability changes were determined by MTT and plate cloning experiment after the transfection.WB test was used to measure the levels of cyclinD1,p27 and FOXO3.Meanwhile.QPCR was used to detect miR-184expression in glioma cell line.glioma tissues and adjacent tissues.Luciferase experiment was used to test 3'UTR gene targeting regulation of miR-184 and FOXO3.Results:QPCR results showed a significaat lower miR-184 expression level in glioma cell line and glioma tissues than that in juxtacancerous tissue.MTT and plate cloning experiments have shown that after overexpressing of miR-184,the cell proliferation capacity of glioma U87 and T98G was signifieantly increased,which was significantly inhibited after the inhibition of miN-184.WB results showed a lower expression level of p27 in U87 and T98G cells,and a higher expression level of cyclind1after over-expressing of miR-184 wss observed.However.a lower expression level of eyelinD1and a higher expression level of p27 after the inhibition of miR-184.The luciferase activity was inhibited after the over-expressing of miR-184.Conclusions:MiR-184 can affect the proliferation abilities of glioma cells and regulate the cell cycle related protein.It plays an important role in the occurrence and development of gliomas.展开更多
目的探究血清microRNA-21(miR-21)、microRNA-193a-3p(miR-193a-3p)水平与结直肠癌患者手术预后的关系。方法回顾性分析2020年1月—2022年1月苏州大学附属第一医院收治112例结直肠癌患者的病历资料。患者均接受结直肠癌根治术,术后随访1...目的探究血清microRNA-21(miR-21)、microRNA-193a-3p(miR-193a-3p)水平与结直肠癌患者手术预后的关系。方法回顾性分析2020年1月—2022年1月苏州大学附属第一医院收治112例结直肠癌患者的病历资料。患者均接受结直肠癌根治术,术后随访16个月,记录患者的预后生存结局,多因素逐步Logistic回归分析结直肠癌患者手术预后的影响因素,评估血清miR-21、miR-193a-3p对结直肠癌患者预后的预测效能。结果112例结直肠癌患者死亡22例,病死率为19.64%;生存90例,生存率为80.36%。死亡组术前血清miR-21 mRNA相对表达量、临床分期Ⅲ期占比、淋巴结转移率均高于生存组(P<0.05),血清miR-193a-3p m RNA相对表达量低于生存组(P<0.05)。多因素逐步Logistic回归分析结果显示,临床分期Ⅲ期[OR=3.777(95%CI:1.399,10.194)]、淋巴结转移[OR=5.099(95%CI:1.715,15.156)]、miR-21表达升高[OR=4.889(95%CI:1.645,14.533)]、miR-193a-3p表达降低[OR=4.402(95%CI:1.481,13.084)]均是直肠癌患者预后的影响因素(P<0.05)。受试者工作特性曲线分析结果显示,血清miR-21、miR-193a-3p单一及联合预测结直肠癌预后的敏感性分别为69.04%(95%CI:0.487,0.813)、72.73%(95%CI:0.495,0.884)、86.36%(95%CI:0.640,0.964),特异性分别为62.22%(95%CI:0.513,0.720)、68.89%(95%CI:0.581,0.780)、90.00%(95%CI:0.814,0.950),曲线下面积分别为0.782、0.731和0.901。结论结直肠癌患者术前miR-21、miR-193a-3p表达与术后预后密切相关,且在结直肠癌患者的预后结局中表现出良好的预测效能。展开更多
基金supported by National Science Foundation(Grant No.81372721)
文摘Objective:To investigate the effect of microRNA(miR-184)on regulating the genesis.development and prolifration of glioma cells.Methods:Lipidosome was used to transfect miR-184 mimic and inhibitor to glioma cell ling,and the cell proliferation ability changes were determined by MTT and plate cloning experiment after the transfection.WB test was used to measure the levels of cyclinD1,p27 and FOXO3.Meanwhile.QPCR was used to detect miR-184expression in glioma cell line.glioma tissues and adjacent tissues.Luciferase experiment was used to test 3'UTR gene targeting regulation of miR-184 and FOXO3.Results:QPCR results showed a significaat lower miR-184 expression level in glioma cell line and glioma tissues than that in juxtacancerous tissue.MTT and plate cloning experiments have shown that after overexpressing of miR-184,the cell proliferation capacity of glioma U87 and T98G was signifieantly increased,which was significantly inhibited after the inhibition of miN-184.WB results showed a lower expression level of p27 in U87 and T98G cells,and a higher expression level of cyclind1after over-expressing of miR-184 wss observed.However.a lower expression level of eyelinD1and a higher expression level of p27 after the inhibition of miR-184.The luciferase activity was inhibited after the over-expressing of miR-184.Conclusions:MiR-184 can affect the proliferation abilities of glioma cells and regulate the cell cycle related protein.It plays an important role in the occurrence and development of gliomas.
文摘目的探究血清microRNA-21(miR-21)、microRNA-193a-3p(miR-193a-3p)水平与结直肠癌患者手术预后的关系。方法回顾性分析2020年1月—2022年1月苏州大学附属第一医院收治112例结直肠癌患者的病历资料。患者均接受结直肠癌根治术,术后随访16个月,记录患者的预后生存结局,多因素逐步Logistic回归分析结直肠癌患者手术预后的影响因素,评估血清miR-21、miR-193a-3p对结直肠癌患者预后的预测效能。结果112例结直肠癌患者死亡22例,病死率为19.64%;生存90例,生存率为80.36%。死亡组术前血清miR-21 mRNA相对表达量、临床分期Ⅲ期占比、淋巴结转移率均高于生存组(P<0.05),血清miR-193a-3p m RNA相对表达量低于生存组(P<0.05)。多因素逐步Logistic回归分析结果显示,临床分期Ⅲ期[OR=3.777(95%CI:1.399,10.194)]、淋巴结转移[OR=5.099(95%CI:1.715,15.156)]、miR-21表达升高[OR=4.889(95%CI:1.645,14.533)]、miR-193a-3p表达降低[OR=4.402(95%CI:1.481,13.084)]均是直肠癌患者预后的影响因素(P<0.05)。受试者工作特性曲线分析结果显示,血清miR-21、miR-193a-3p单一及联合预测结直肠癌预后的敏感性分别为69.04%(95%CI:0.487,0.813)、72.73%(95%CI:0.495,0.884)、86.36%(95%CI:0.640,0.964),特异性分别为62.22%(95%CI:0.513,0.720)、68.89%(95%CI:0.581,0.780)、90.00%(95%CI:0.814,0.950),曲线下面积分别为0.782、0.731和0.901。结论结直肠癌患者术前miR-21、miR-193a-3p表达与术后预后密切相关,且在结直肠癌患者的预后结局中表现出良好的预测效能。
