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《土槿乙酸对人肝癌细胞中血管内皮生长因子表达的影响-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、10TianinMedJ,Jan2014,Vol42Nol土槿乙酸对人肝癌细胞中血管内皮生长因子表达的影响祝平郭莲怡【摘要】目的探讨土槿乙酸(PAB)对人肝癌细胞BEL-7402中血管内皮生长因子(VEGF)表达的影响。方法以O(对照组)、0.5、1.0、2.0、4.0、8.0I~mol/LPAB处理人肝癌细胞BEL一7402,培养6h,0.4%台盼蓝染色,在显微镜下观察并计算细胞活率。采用WST一8法检测细胞增殖,RT—PCR法检测人肝癌细胞BEL一7402中VEGFmRNA表达,WesternBlot检测VEGF蛋白表达。结果不同剂量PAB处理的人肝癌细胞BEL一7402的细
2、胞增殖率与对照组比较差异无统计学意义。随着PAB浓度的增加,VEGFmRNA表达与对照组(2.53±0.07)相比分别降低至1.90+0.02、1-31±0.03、0.86~0.04、0.60~0.03、0.34+0.02,差异有统计学意义(P<0.O1),VEGF蛋白表达与对照组(3.06~0.15)相比分别降低至2.60~0.09、2.42_+0.07、1.85~0.05、0.92~0.05、0.60+0.04,差异有统计学意义(P<0.01)。结论PAB可抑制人肝癌细胞BEL一7402中VEGFmRNA和蛋白的表达。【关键词】细胞系,肿瘤;肝肿瘤;血管内皮生长因子类;逆转录
3、聚合酶链反应;印迹法,蛋白质;土槿乙酸【中图分类号】R735.7【文献标识码】A【DOI】10.3969~.issn.0253—9896.2014.01.004TheEfectofPseudolaricAcidontheExpressionofVEGFinHeDatOcelluIarCarcinomaCellsZHUPing,GUOLianyiDepartmentofGastroenterology,theFirstAffiliatedHospitalofLiaoningMedicalUniversity,Liaoning121001,China【Abstract】0bjecfi
4、veToinvestigatetheeffectofpseudolaricacidB(PAB)ontheexpressionofvascularendothelialgrowthfactor(VEGF)inhumanhepatomaBEL一7402cells.MethodsBEL一7402cellswereculturedwithPABf0,0.5,1.0,2.0.4.0and8.0Ixmol·L-1for6handstainedwi山0.4%trypanblue.Thecellviabilitywasobservedandcalculatedunderthemicroscope
5、.ThecellproliferationwasdetectedbyWST一8analysis.TheexpressionofVEGFmRNAinBEL一7402cellswasdetectedusingRT—PCRmethod.TheexpressionofVEGFproteininBEL一7402cellswasdetectedusingWesternblotassay.ResultsTherewasnosignificantdifferenceinthecellproliferationofBEL一7402cellsbetweendifferentPABtreat.ment
6、groupsandcontrolgroup.WiththeincreasedconcentrationofPAB,theexpressionsofVEGFmRNAweresignificantlydecreasedindifferentPABtreatmentgroups(1.90~0.02,1-31±0.03,0.86~0.04,0.60~0.03and0.34~0.021comparedwiththatofcontrolgroup(2.53~0.07,P<0.01).TheexpressionsofVEGFproteinweresignificantlydecreasedin
7、differentPABtreat-mentgroups(2.60_+0.09,2.42~0.07,1.85+-0.05,0.92~0.05and0.60~0.04)comparedwiththatofcontrolgroup(3.06_+0.15,P<0.O1).conclusionPABcaninhibittheexpressionsofVEGFmRNAandproteininBEL一7402cells.【Keywords】cellline,tumor;liverneopla
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