%0 Journal Article %T RNA干扰沉默MSI1表达对人脑胶质瘤细胞化疗敏感度的影响 %A 付锴 %A 刘细国 %A 宫睿 %A 江普查 %J 肿瘤防治研究 %D 2016 %R 10.3971/j.issn.1000-8578.2016.09.005 %X 摘要 目的 探讨RNA干扰沉默MSI1表达对人脑胶质瘤细胞化疗药物敏感度的影响。方法 构建针对MSI1 mRNA的小分子RNA干扰(siRNA)重组质粒pSIREN-MSI1,转染人脑胶质瘤U-87MG细胞;Western blot检测U-87MG细胞内MSI1蛋白的表达;CCK-8法观察U-87MG细胞对化疗药物替莫唑胺(TMZ)敏感度的改变;流式细胞仪(FCM)检测pSIREN-MSI1转染后对U-87MG细胞凋亡的影响。结果 成功构建了重组质粒pSIREN-MSI1,并成功转染U-87MG细胞;Western blot结果显示pSIREN-MSI1抑制U-87MG细胞中MSI1蛋白的表达(P<0.01);CCK-8结果显示在替莫唑胺作用下,pSIREN-MSI1组U-87MG细胞的存活率明显下降(P<0.01);FCM结果表明pSIREN-MSI1转染后明显提高U-87MG细胞的凋亡率(P<0.01)。结论 MSI1 siRNA能特异性抑制人脑胶质瘤细胞U-87MG细胞中MSI1的表达,增强人脑胶质瘤U-87MG细胞对化疗药物的敏感度,并促进细胞的凋亡 %K MSI1 %K RNA干扰 %K 胶质瘤 %K 药物敏感度 %K Effect of Down-regulating KLF8 Expression by siRNA on EMT in Nasopharyngeal Carcinoma Cells %K Effect of Gene Silencing of RNF2 on Radiosensitivity of Esophageal Carcinoma Cells %K MDM2 siRNA Inhibits Angiogenesis by Reducing Vascular Endothelial Growth Factor Production in Breast Cancer Cells %K Effect of siRNA-mediated notch1 Gene Silencing on Apoptosis and Radiosensitivity of Glioma Cell Line U87-EGFRvⅢ %K In vitro Investigation on Effect of Lentiviral Vector-mediated RNA Interference Inhibiting VASH1 Expression on Proliferation and Apoptosis of Human Glioma Cells U-87MG %K Review on Radiation Dose Fractionation on High-grade Glioma Patients %K LncRNA Colorectal Neoplasia Differentially Expressed(CRNDE) Regulated Cell Proliferation and Migration in Glioma %K GM-CSF Enhances Effect of TMZ on High-grade Glioma Cells %K Effects for Histone Deacetylase Inhibitors on Proliferation and MKK7 Expression in Glioma Cells %K Relationship Between FoxQ1 and Epidermal Growth Factor Receptor Gene Expression in Colorectal Cancer %K Effect of HSP70 and iNOS in Process of Hyperthermia Reducing Glioma Invasion %K Construction and Screening of shRNA Expression Plasmids Targeting at cortactin Gene %K Research Status and Development of Adherens Junction Associated Protein-1 in Gliomas %K Effects of Vascular Endothelial Cells on Invasion of Glioma Cells via Notch Signal Pathway %K Down-regulating UHRF1 Expression could Inhibit Progression of Hepatocellular Carcinoma %U http://www.zlfzyj.com/CN/abstract/abstract8828.shtml