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ID:28560543
大小:9.02 MB
页数:40页
时间:2018-12-11
《bcl2shrna稳定转染联合γ射线对胃癌sgc7901细胞凋亡的影响》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、优秀毕业论文青岛大学硕士学位论文Bcl--2shRNA稳定转染联合γ射线对胃癌SGC--7901细胞凋亡的影响姓名:王宁宁申请学位级别:硕士专业:肿瘤学指导教师:沈方臻20110601精品参考文献资料优秀毕业论文于两要目的:观察Bcl.2shRNA稳定转染联合Y线照射对胃癌细胞SGC.7901凋亡的影响。方法:构建针对Bcl.2基因的干扰质粒pGPHl/GFP/Neo,经脂质体介导转染SGC.7901细胞,G418筛选稳定表达的细胞株,Y线照射后形成4组细胞分别命名为SGC-7901(A组),照射/SGC一7901(
2、B组),Bc卜2shRNA/SGC一7901(C组),照射/Bcl一2shRNA/SGC-7901(D组)。CCK.8检测细胞增殖,AO/PE观察细胞凋亡,流式细胞仪检测细胞凋亡,Western.blot测定Bcl。2蛋白表达量的改变。结果:Bcl.2shRNA、照射均可抑制Bcl.2蛋白表达,且二者有协同作用,差异有统计学意义(P<0.05);D组细胞生长慢于B组、C组细胞,B、C、D组细胞增殖抑制率分别为(27±5.27)%,(30.1±6.49)%,(98.4±11.35)%。A、B、C、D组细胞凋亡率分别为(
3、3.80±0.22)%、(20.8±4.15)%、(23.2±4.34)%、(92.9±25.9)%,差异有统计学意义(尸4、triccarcinomacelllineSGC一7901objective:Toobservetheeffectofbcl-2gene—specificRNAinterferenceonapotosisandradiosensitivityofgastnccarcinomacelllineSGC7901.Methods:TherecombinanteukaryoticexpressionvertorpGPH1/GFP/Neoanddesignedtotargetbcl-2genebylipofectaminmedi5、atedgenetransfectionintoSGC7901.ThepositivecloneswereselectedwithG418,afterYirradiation.4.groupcellswereformed:SGC.7901(Agroup).irradiation/SGC.7901.(Bgroup),Bcl一2shRNA/SGC-7901(Cgroup),irradiation/Bel一2shRN~SGC.7901(Dgroup).CellproliferationwasdetectedbyCCK一8.6、CellapoptoticwasobservedbyAO/PE.Theapoptoticratewasdeterminedbyflowcytometry.朊stemblotwasusedtocomparetheexpressofproteinbetweentransfectioncellsandnontransfectioncells.Results:Westernblotanalysesindicatedthattheexpressionofbcl-2wassuppressedbytheshRNAandirradi7、ation.ThegrowthofgroupDwasobviouslyslowerthanothergroups(P<0.05),CellinhibitoryrateofB、C、Dgroupswere(27+5.27)%,(30.1±6.49)%,(98.4±11.35)%。theapoptosisrateofA、B、C、Dwere(3.8±0.22)%.(20.8±4.15)%,(23.2±4.15)%,(92.9±25.9)%.(P8、Aiandirradiationcaninducecellapoptosis,andobviouslyincreasetheradiosensitivityinhumangastriccelllines.Keywords:Gastriccarcinoma;Bcelllymphoma/lewkmia-2;RNAinterference;Cella
4、triccarcinomacelllineSGC一7901objective:Toobservetheeffectofbcl-2gene—specificRNAinterferenceonapotosisandradiosensitivityofgastnccarcinomacelllineSGC7901.Methods:TherecombinanteukaryoticexpressionvertorpGPH1/GFP/Neoanddesignedtotargetbcl-2genebylipofectaminmedi
5、atedgenetransfectionintoSGC7901.ThepositivecloneswereselectedwithG418,afterYirradiation.4.groupcellswereformed:SGC.7901(Agroup).irradiation/SGC.7901.(Bgroup),Bcl一2shRNA/SGC-7901(Cgroup),irradiation/Bel一2shRN~SGC.7901(Dgroup).CellproliferationwasdetectedbyCCK一8.
6、CellapoptoticwasobservedbyAO/PE.Theapoptoticratewasdeterminedbyflowcytometry.朊stemblotwasusedtocomparetheexpressofproteinbetweentransfectioncellsandnontransfectioncells.Results:Westernblotanalysesindicatedthattheexpressionofbcl-2wassuppressedbytheshRNAandirradi
7、ation.ThegrowthofgroupDwasobviouslyslowerthanothergroups(P<0.05),CellinhibitoryrateofB、C、Dgroupswere(27+5.27)%,(30.1±6.49)%,(98.4±11.35)%。theapoptosisrateofA、B、C、Dwere(3.8±0.22)%.(20.8±4.15)%,(23.2±4.15)%,(92.9±25.9)%.(P8、Aiandirradiationcaninducecellapoptosis,andobviouslyincreasetheradiosensitivityinhumangastriccelllines.Keywords:Gastriccarcinoma;Bcelllymphoma/lewkmia-2;RNAinterference;Cella
8、Aiandirradiationcaninducecellapoptosis,andobviouslyincreasetheradiosensitivityinhumangastriccelllines.Keywords:Gastriccarcinoma;Bcelllymphoma/lewkmia-2;RNAinterference;Cella
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