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Cholerny Spammer
Joined: 03 Nov 2010
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Posted: Thu 11:35, 10 Mar 2011 Post subject: belstaff uomo VK3通过引 |
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VK3通过引起氧化应激激活NF-κB诱导PC-3M细胞发生凋亡
的探讨五味子提取物对阿霉素耐药细胞株K562/DOX的耐药逆转作用。方法MTr法检测单独应用阿霉素或阿霉素与五味子提取物联合作用的K562/DOX细胞的生存率;RT-PCR检测NDR1、NllP1mItNA表达;Westmblot~g检测NDR1蛋白的表达。结果与对照组相比,单独应用阿霉素组细胞的生存率未见明显变化;而阿霉素与五味子提取物联合作用组细胞存活率显著降低,NDRI、NI1PnfflNA表达降低;NDR1蛋白表达下降。结论五味子提取物可能通过下调NDR1、NRP水平进而逆转K562/DOX细胞对阿霉素的耐药性,增加肿瘤耐药细胞对化疗药物的敏感性。.●关键词:多药耐药,[link widoczny dla zalogowanych];多药耐药基因;五味子提取物;K562/IX)X细胞中图分类号:t1966文献标识码:A1lle唧iri咖蛐0ftheeffee~ofChineseMa{Fruit加drugcell5蛐~ffAI[IMHa/-y口,X/X/n,删CIq-fan,et.(DEPathologyYanbia~UniformlyCollegeofMedicine,yd133000,m)Abs嘣:ObjectiveInordertoapproachthe、effectofChineseM、,[link widoczny dla zalogowanych],i】∞FruitExtractionondn】g细cells0f佃M.同hodsTodetectthesurvivalrateofg562/DOXcell,whichwasdealtwithADMaloneOrwithb0也ADMarldQMa罢Fruit【缸acI.Todetecttheexpression0fNDR1andNRP1mRNAwithRT-PCR.T0detecttheexpression0fNDR1andproteinWitlIWesternb】o【lg.ResultsContrastwithcontrolgroup,thesurvivalrateoftheoe1l,whichhadtreatedwitlIM)blalonenotcbaIlmanifest.butthecell,[link widoczny dla zalogowanych],whichl1adtreatedwithADMandChineseIgmgnoli~kneFruitB【响击0ntogetherdec】iIledob-~ously.地e~ressionofNDRIandNI1P1mRNA&dinedtOO,Theexpression0fNDR1proteinalsodepressed.C伽dItiseoneluaedthatCNne~elgmgnolivineFruit~C[iOnmayl~versetheK562/DOXceⅡ’sdrugfastIls【ADI~Ib)rd0wIl~lutionthelevel0fMDR1ardNI1P1,acc0】出lgly,toaddthetllll~lrcell’ssemiti~itytochen~therapeudes.1words:mulfidmgresistance;multidrugresistancegene;ChineseNagndi~neFruitExtraction;K56Z/IX)Xcell(Chin.,脚,2009,13:0306)肿瘤细胞的多药耐药性(Mutidrugresistance,肋R)是导致化疗失败的主要原因之一,而目前大多*通讯作者数体外耐药逆转剂由于体内毒性较强或者效果不明显等因素,[link widoczny dla zalogowanych],尚无法应用于临床治疗。中草药提取物逆转肿瘤细胞耐药性的作用引起人们的重视,[link widoczny dla zalogowanych],有实验结果表明五味子乙素能够在一定程度上逆转鼠白
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