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《hTERT反义寡核苷酸对肝癌SMMC-7721细胞株细胞增殖和端粒酶活性的影响-论文.pdf》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、江西医药2013年1月复48鲞虬Jian~i⋯MedicalJournal,Jan2013,Vol48,Ngl·23·.实验研究.hTERT反义寡核苷酸对肝癌SMMC一7721细胞株细胞增殖和端粒酶活性的影响廖传文,刘伟中,高家宝,胡淑琴,李松岗,饶雪峰(江西省人民医院普外科,南昌330006)摘要:目的研究hTERTNNNR寡核苷酸(ASPSODN)~JSMMC一7721细胞端粒酶活性及细胞增殖的影响。方法不同浓度的ASPSODN转染到SMMC一772l细胞株24h和48h后分别采用M兀’法、TRAP~ELISA法检测SMMC一7721细胞的增殖活性及端粒酶活性。结果各浓度组的ASPSOD
2、N均能降低端粒酶活性,作用24h时,不同浓度均明显受抑,其中0.81~mol/LASPSODN较0.21xmol/L和0.4lxmol/L组抑制作用更明显(P3、MC一7721细胞增殖,明显下调端粒酶活性.hTERT可能成为肝癌治疗的一个靶点。关键词:hTERT基因;反义寡核苷酸;SMMC一7721细胞系;端粒酶活性中图分类号:R737.1文献标识码:A文章编号:1006—2238(2013)01—0023—03DOI:10.39696.issn.1006-2238.2013.01.09E蠲BctofantiseneeoligodeoxynucleotideoneellproliferationandtelomeraseactivityinSMMC一7721celllineLiaoChuan—wen,LiuWeizhong,Gao~abao,eto14、.DepartmentofGeneralSurgery,JiangxiProvincialHospital,Ⅳf330006Abstract:ObjectiveToobservetheeffectofhTERTanti~senseoligodenucletide(ASPSODN)onthetelomerageactivityandproliferationtohumanhepaticcarcinomaSMMC-7721celllineinvitro.MethodsHumanhepaticcarcinomaSMMC一7721cellwastransfectedwithASPSODNbylipo5、some.TheproliferationactivityofSMMC一7721celllinewasdeterminedbyusingmethylthiazolyltetrazoliumassay,andtelomeraseactivitywasdetectedbyTRAP-ELISA24hand48haftertreatment.ResultsTheresultshowstelomeraseactivitywasinhibitedatdiferentASPSODNconcentration.and0.8Ixmol/LASPSODNisobviousComparedt(J0.2txmbl/6、Lor0.4txmol/L.ButinhibitingeffectdidnotincreasewhenASPSODNat1.0txmol/Lor1.2txmol/Lcomparedwith0.81~mol/L.However,inhibitingefectreducedaftertreatment48hours,andtelomeraseactivityreturnedtonormallevelin0.2txmoVLand0.4/xmo//Lgroup.Butinthe0.8t~mol/L、1.0Fmol/L、1.2~mol/Lgroups,telomeraseactivityremainl7、ow.Mrrshowedprolif-erationofSMMC一7721cellwassuppressedbydifferentASPSODNconcentrationandTheefectsofsuppressiononcellsrisedwithASPSODNconcentrationincreasing.buthadnotrelatedwithtimeincreasing.ConclusionASPS
3、MC一7721细胞增殖,明显下调端粒酶活性.hTERT可能成为肝癌治疗的一个靶点。关键词:hTERT基因;反义寡核苷酸;SMMC一7721细胞系;端粒酶活性中图分类号:R737.1文献标识码:A文章编号:1006—2238(2013)01—0023—03DOI:10.39696.issn.1006-2238.2013.01.09E蠲BctofantiseneeoligodeoxynucleotideoneellproliferationandtelomeraseactivityinSMMC一7721celllineLiaoChuan—wen,LiuWeizhong,Gao~abao,eto1
4、.DepartmentofGeneralSurgery,JiangxiProvincialHospital,Ⅳf330006Abstract:ObjectiveToobservetheeffectofhTERTanti~senseoligodenucletide(ASPSODN)onthetelomerageactivityandproliferationtohumanhepaticcarcinomaSMMC-7721celllineinvitro.MethodsHumanhepaticcarcinomaSMMC一7721cellwastransfectedwithASPSODNbylipo
5、some.TheproliferationactivityofSMMC一7721celllinewasdeterminedbyusingmethylthiazolyltetrazoliumassay,andtelomeraseactivitywasdetectedbyTRAP-ELISA24hand48haftertreatment.ResultsTheresultshowstelomeraseactivitywasinhibitedatdiferentASPSODNconcentration.and0.8Ixmol/LASPSODNisobviousComparedt(J0.2txmbl/
6、Lor0.4txmol/L.ButinhibitingeffectdidnotincreasewhenASPSODNat1.0txmol/Lor1.2txmol/Lcomparedwith0.81~mol/L.However,inhibitingefectreducedaftertreatment48hours,andtelomeraseactivityreturnedtonormallevelin0.2txmoVLand0.4/xmo//Lgroup.Butinthe0.8t~mol/L、1.0Fmol/L、1.2~mol/Lgroups,telomeraseactivityremainl
7、ow.Mrrshowedprolif-erationofSMMC一7721cellwassuppressedbydifferentASPSODNconcentrationandTheefectsofsuppressiononcellsrisedwithASPSODNconcentrationincreasing.buthadnotrelatedwithtimeincreasing.ConclusionASPS
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