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时间:2020-05-07
《拓扑替康对人肝癌BEL-7402细胞体外迁移、黏附的影响-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、肝胆胰外科杂志第26卷第1期Vo1.26NO.12014年1月JournalofHepatopancreatobiliarySurgeryJan.2Ol4·实验研究·拓扑替康对人肝癌BEL-7402细胞体外迁移黏附的影响周新宇,徐益文,张骏,蒋伟(常州市第四人民医院肝胆外科,江苏常州213032)[摘要]目的研究拓扑替康(topotecan,TPT)对人肝癌BEL-7402细胞体外迁移、黏附的影响。方法体外培养人肝癌BEL-7402细胞,分为实验组和空白组,实验组分为三个亚组,分别用0.1、0.2、0.3mmol/L的T
2、PT进行干预,空白组给予不含TPT的培养液。采用划痕实验和Transwe11小室迁移实验检测TPT对BEL-7402细胞体外迁移能力的影响,采用黏附实验检测TP_r对BEL-7402细胞黏附和异质黏附能力的影响。结果0.2、0.3mmol/LTPT组中BEL-7402细胞的体外迁移能力受到抑制,同质黏附能力增强,而异质黏附能力减弱,差异具有统计学意义(P均<0.05)。结论拓扑替康可抑制肝癌BEL-7402细胞的迁移和异质黏附能力,增强肝癌细胞的同质黏附能力。[关键词]拓扑替康;肝癌;迁移;黏附[中图分类号]R757.3
3、[文献标识码]A[文章编号]1007—1954(2014)一0051-04EfectoftopotecanonmigrationandadhesionofhumanhepatomaBEL-7402cellsinvitroZHOUXin—yu,XUYi—wen,ZHANGJun,eta1.DepartmentofHepatobiliarySurgery,theFourthPeopleSHospitalofChangzhou,Changzhou,Jiangsu213000,ChinaobjectiveTostudytheef
4、fectsoftopotecan(TPT)onmigrationandadhesionofthehumanhepatomacelllineBEL.7402cellsinvitro.MethodsThehumanhepatomacelllineBEL.7402cellswereculturedinvitro.anddividedintotwogroups:experimentalgroupandcontrolgroup.Theexperimentalgroupwasdividedintothreesubgroupsandt
5、reatedwith0.1.O.2and0.3mmol/LTPTrespectively.ThecontrolgroupwastreatedwithculturemediumwithoutTPT.EffectsofTPTonabilityofmigrationofBEL一7402cellswasdetectedbywound.healingassayandTranswellchambermode1.EffectsofTPTonabilityofhomogeneousandheteroge—neousadhesionofB
6、EL一7402cellswasassessedbyadhesionexperiments.ResultsTheabilityofmigrationandheterogeneousadhesionweresignificantlydepressedin0.2and0.3mmol/LTPTgroupfP<0.05).Theabilityofhomogeneousadhesionwaseffectivelyenchancedaftertreatedwith0.2and0.3mmol,LTPTfJP<0.05).Conclusi
7、onTPTcandepressthemigratoryandheterOgeneousadhesionpotentials,anditcanenchancethehomogeneousadhesionpotentialofthehumanhepatomacelllineBEL7402cellsinvitro.topotecan;hepaticcarcinoma;migration;adhesion肝癌是全球最常见的恶性肿瘤之一,其发病率在是延长患者生命的重要手段。喜树碱类药物可通过与恶性肿瘤中位居第6位,病死率在恶性肿瘤
8、中位居第拓扑异构酶I(topoisomeraseI,TOPOI)有关的3位⋯。随着医疗和诊断技术的提高,近年来小肝癌信号通路抑制细胞缺氧诱导因子1(hypoxiaindue—切除例数明显增加,但是肝癌患者5年生存率却未见iblefactor-IHIF-1)的表达,已被证实可抑制可明显提高[21。临床资料显示,约60%
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