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ID:34210783
大小:3.19 MB
页数:31页
时间:2019-03-04
《右丙亚胺对表柔比星诱导乳腺癌细胞凋亡影响的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、中文摘要目的:探讨右丙亚胺(DEX)对表柔比星(EPI)诱导乳腺癌细胞凋亡的影响。方法:分别以不同浓度表柔比星作用于MCF.7、MDA.MB.231和BT474三种乳腺癌细胞系24和48h,用MTT法检测抑制率,选择表柔比星最佳实验浓度;应用相同浓度表柔比星(1.0pg/mL)与不同浓度右丙亚胺(1、10和20pg/mL)分别及联合作用于三种乳腺癌细胞系,用MTT法检测抑制率,用流式细胞术检测细胞凋亡。结果:EPI(1.0pg/mL)组三种乳腺癌细胞的抑制率分别为(48.72-+-0.34)%、(64.4±2
2、.63)%、(58.57±2.23)%,EPI:DEX=I.0p鲈nL:1.0“g/mL组三种细胞的抑制率为(46.44+1.35)%、(65.2±O.21)%、(57.52±2.31)%,EPI:DEX=I.0I_tg/mL:10p,g/mL组三种细胞抑制率为(47.57±2.20)%、(61.7±1.08)%、(59.54±1.26)%,EPI:DEX=I.0斗g/mL:20pg/mL组三种细胞抑制率为(43.85±4.19)%、(60.8+0.62)%、(58.25±3.50)%,统计分析示EPI和DE
3、X两药联合组(EPI:DEX=1:1和l:10)与EPI组三种乳腺癌细胞系的抑制率相比差异无统计学意义(尸>0.05);两者浓度为1:20时对三种乳腺癌细胞系的增殖影响差异有统计学意义(尸4、凋亡效果。关键词:表柔比星;右丙亚胺;心脏毒性;乳腺癌细胞Abstractobjectives:TOinvestigatetheinfluenceofepirubicincytotoxicitybydexrazoxaneinhumanbreastcancercelllines.Methods:EpirubicinofdifferentconcentrationsWasaddedintotheculturefluidofhumanbreastcancercells.MTTmethodWasusedtodetec5、ttheinhibitionrate.Threebreastcancercelllinesweretreatedwithepimbicin(1.O肛g/mL),dexrazoxane(1}tg/mL、lOI_tg/mL、20.edmL),orwithepirubicin:dexrazoxane(1:1、1:10、1:20).MTTmethodWasusedtodetecttheinhibitionrate.FlowcytometryWasusedetodetecttheapoptosisofthecells.6、Results:TheinhibitionratesofgroupA(EPI_1.0rtg/mL)were(48.72±O.34)%,(64.4±2.63)%and(58.57±2.23)%respectively.TheinhibitionratesofgroupE(EPI:DEX=1.0lxg/mL:1.0肛g/mL)were(46.44+1.35)%,(65.2--+0.21)%and(57.52-+2.31)%1respectively.TheinhibitionratesofgroupF(EPI:D7、EX=I.0pg/mL:lOI_tegmL)were(47.57±2.20)%,(61.7-+1.08)%and(59.54-+1.26)%respectively.nleinhibitionratesofgroupG(EPI:DEX=1.0I.tg/mL:20“幽nL)were(43.85-+4.19)%,(60.8-+0.62)%and(58.25±3.50)%respectively.Theapoptosisratesofgroupc(EPI=I.0肛g/mL)are8.54%,l1.25%and10.8、78%,whiletheapoptosisratesofgroupd(EPI:DEX=I.0I-tg/mL:10btg/mL)ale8.74%,11.85%and10.49%.Comparedwiththeinhibitionrateofepirubicin(1.0}tg/mL),theinhibitionratesofepirubicin(1.0pegmL)combinedwithdexrazox
4、凋亡效果。关键词:表柔比星;右丙亚胺;心脏毒性;乳腺癌细胞Abstractobjectives:TOinvestigatetheinfluenceofepirubicincytotoxicitybydexrazoxaneinhumanbreastcancercelllines.Methods:EpirubicinofdifferentconcentrationsWasaddedintotheculturefluidofhumanbreastcancercells.MTTmethodWasusedtodetec
5、ttheinhibitionrate.Threebreastcancercelllinesweretreatedwithepimbicin(1.O肛g/mL),dexrazoxane(1}tg/mL、lOI_tg/mL、20.edmL),orwithepirubicin:dexrazoxane(1:1、1:10、1:20).MTTmethodWasusedtodetecttheinhibitionrate.FlowcytometryWasusedetodetecttheapoptosisofthecells.
6、Results:TheinhibitionratesofgroupA(EPI_1.0rtg/mL)were(48.72±O.34)%,(64.4±2.63)%and(58.57±2.23)%respectively.TheinhibitionratesofgroupE(EPI:DEX=1.0lxg/mL:1.0肛g/mL)were(46.44+1.35)%,(65.2--+0.21)%and(57.52-+2.31)%1respectively.TheinhibitionratesofgroupF(EPI:D
7、EX=I.0pg/mL:lOI_tegmL)were(47.57±2.20)%,(61.7-+1.08)%and(59.54-+1.26)%respectively.nleinhibitionratesofgroupG(EPI:DEX=1.0I.tg/mL:20“幽nL)were(43.85-+4.19)%,(60.8-+0.62)%and(58.25±3.50)%respectively.Theapoptosisratesofgroupc(EPI=I.0肛g/mL)are8.54%,l1.25%and10.
8、78%,whiletheapoptosisratesofgroupd(EPI:DEX=I.0I-tg/mL:10btg/mL)ale8.74%,11.85%and10.49%.Comparedwiththeinhibitionrateofepirubicin(1.0}tg/mL),theinhibitionratesofepirubicin(1.0pegmL)combinedwithdexrazox
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