郑州大学学报(医学版)
鄭州大學學報(醫學版)
정주대학학보(의학판)
JOURNAL OF ZHENGZHOU UNIVERSITY(MEDICAL SCIENCES)
2013年
6期
717-720
,共4页
鲁照明%杨帅%周媛媛%贝维娟%侯桂琴
魯照明%楊帥%週媛媛%貝維娟%侯桂琴
로조명%양수%주원원%패유연%후계금
p70S6K%siRNA%食管鳞状细胞癌%EC9706%雷帕霉素
p70S6K%siRNA%食管鱗狀細胞癌%EC9706%雷帕黴素
p70S6K%siRNA%식관린상세포암%EC9706%뢰파매소
p70S6K%siRNA%esophageal squamous cell carcinoma%EC9706%rapamycin
目的:观察雷帕霉素对p70S6K-siRNA转染的人食管鳞状细胞癌EC9706细胞增殖的影响。方法:用p70S6K-siRNA转染EC9706细胞,分别作用24、48 h后,采用RT-PCR和Western blot检测p70S6K mRNA及蛋白的表达情况;收集转染p70S6K-siRNA 24 h和未转染的EC9706细胞,加入0、25、50、100、150、250、500和1500 nmol/L的雷帕霉素处理48 h,采用MTT法检测细胞存活率。结果:p70S6K-siRNA转染后,EC9706细胞中p70S6K mRNA及蛋白的表达均明显降低(mRNA:F=57.825;蛋白:Fp70S6K=268.897,Fp-p70S6K =35.584,P均<0.05)。随雷帕霉素浓度的增加,未转染和转染组EC9706细胞存活率均降低;与未转染组相比,转染组细胞存活率更低( F剂量=664.919, F组间=1958.000,P均<0.05。)结论:p70S6K-siRNA能增强雷帕霉素对EC9706细胞增殖的抑制作用。
目的:觀察雷帕黴素對p70S6K-siRNA轉染的人食管鱗狀細胞癌EC9706細胞增殖的影響。方法:用p70S6K-siRNA轉染EC9706細胞,分彆作用24、48 h後,採用RT-PCR和Western blot檢測p70S6K mRNA及蛋白的錶達情況;收集轉染p70S6K-siRNA 24 h和未轉染的EC9706細胞,加入0、25、50、100、150、250、500和1500 nmol/L的雷帕黴素處理48 h,採用MTT法檢測細胞存活率。結果:p70S6K-siRNA轉染後,EC9706細胞中p70S6K mRNA及蛋白的錶達均明顯降低(mRNA:F=57.825;蛋白:Fp70S6K=268.897,Fp-p70S6K =35.584,P均<0.05)。隨雷帕黴素濃度的增加,未轉染和轉染組EC9706細胞存活率均降低;與未轉染組相比,轉染組細胞存活率更低( F劑量=664.919, F組間=1958.000,P均<0.05。)結論:p70S6K-siRNA能增彊雷帕黴素對EC9706細胞增殖的抑製作用。
목적:관찰뢰파매소대p70S6K-siRNA전염적인식관린상세포암EC9706세포증식적영향。방법:용p70S6K-siRNA전염EC9706세포,분별작용24、48 h후,채용RT-PCR화Western blot검측p70S6K mRNA급단백적표체정황;수집전염p70S6K-siRNA 24 h화미전염적EC9706세포,가입0、25、50、100、150、250、500화1500 nmol/L적뢰파매소처리48 h,채용MTT법검측세포존활솔。결과:p70S6K-siRNA전염후,EC9706세포중p70S6K mRNA급단백적표체균명현강저(mRNA:F=57.825;단백:Fp70S6K=268.897,Fp-p70S6K =35.584,P균<0.05)。수뢰파매소농도적증가,미전염화전염조EC9706세포존활솔균강저;여미전염조상비,전염조세포존활솔경저( F제량=664.919, F조간=1958.000,P균<0.05。)결론:p70S6K-siRNA능증강뢰파매소대EC9706세포증식적억제작용。
Aim:To study the inhibition effects of rapamycin on cell proliferation after the expression of p 70S6K inter-fered by p70S6K-siRNA in esophageal squamous cell cacinoma EC 9706 cells .Methods:After p70S6K-siRNA being trans-ferred into EC9706 cells for 24 and 48 h,respectively, the expressions of p70S6K mRNA and protein were detected by RT-PCR and Western blot.The EC9706 cells transfected by P70S6K-siRNA for 24 h (the untransfected cells were control ), and then they were treated with 0,25,50,100,150,250,500 and 1 500 nmol/L rapamycin for 48 h,and then MTT assay was used to detect the cells'survival rate.Re sults:The mRNA and protein levels of p70S6K were decreased significantly in EC9706 cells treated with p70S6K-siRNA (mRNA:F=57.825,P<0.05;protein level: Fp70S6K =268.897,Fp-p70S6K =35.584,both P<0.05).The survival rate of cells was significantly decreased with the increase of the dose of rapamycin and after cells treated with p70S6K-siRNA (Fdose =664.919,Fgroup =1 958.000,both P<0.05).Conclusion: p70S6K-siRNA can improve the inhibition effects of rapamycin on proliferation of EC 9706 cells.