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《異煙肼對(duì)小鼠肝細(xì)胞膜轉(zhuǎn)運(yùn)體Mrp2,Bsep,P-gp和Ntcp表達(dá)的影響-論文.pdf》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在應(yīng)用文檔-天天文庫(kù)。
1、異煙肼對(duì)小鼠IK-~Bt胞膜轉(zhuǎn)運(yùn)體Mrp2,Bsep,P—gP和Ntcp表達(dá)的影響周利婷’一,周燕,張國(guó)強(qiáng),魏玉輝,任江霞一,武新安(1.蘭州大學(xué)第一醫(yī)院藥劑科,、1730000;2、1大學(xué)約學(xué)院,、卅『730000)摘要:目的考察異煙肼(isoniazid)對(duì)小鼠肝細(xì)胞膜轉(zhuǎn)運(yùn)體多藥耐藥相關(guān)蛋白2(muhidrugresistanceprotein2,Mrp2),膽鹽輸出泵(bilesaltexportpump,Bsep),P一糖蛋白(P—glycoproteins,P—gP)和Na一?;撬徕c共轉(zhuǎn)運(yùn)體(sodiumtauroc
2、holatecolransport—ingpolypeptide,Ntcp)表達(dá)的影響,為從轉(zhuǎn)運(yùn)體水平闡釋異煙肼藥物性肝損傷(dmg—inducedliverinjury,DIL1)機(jī)制奠定基礎(chǔ)方法分別給予小鼠高、中、低劑量異煙肼(120,60,30mg··d~,ig)l、2、3個(gè)月后,眼球采血,通過(guò)血清生化指標(biāo)和肝組織病理學(xué)評(píng)價(jià)異煙胼的肝損傷程度;采用WesternBlotting技術(shù)檢測(cè)肝細(xì)胞膜轉(zhuǎn)運(yùn)體多藥耐藥相關(guān)蛋白2、膽鹽輸出泵、})_糖蛋白和Na一牛磺酸鈉共轉(zhuǎn)運(yùn)體的表達(dá)變化。結(jié)果用高、中、低劑量異煙肼干預(yù)小鼠后,其轉(zhuǎn)運(yùn)
3、體多藥耐藥相關(guān)蛋白2、膽鹽輸出泵、P一糖蛋白和Na一?;撬徕c共轉(zhuǎn)運(yùn)體的表達(dá)均發(fā)生了變化,且在高、中劑量下呈現(xiàn)顯著性差異(P<0.05)此外,本實(shí)驗(yàn)還發(fā)現(xiàn)異煙肼干預(yù)小鼠的血清生化指標(biāo)和組織病理學(xué)的變化明顯滯后于轉(zhuǎn)運(yùn)體的顯著變化結(jié)論異煙肼肝毒性可能與肝細(xì)胞膜轉(zhuǎn)運(yùn)體多藥耐藥相關(guān)蛋白2、膽鹽輸出泵、P一糖蛋白和Na一?;撬徕c共轉(zhuǎn)運(yùn)體介導(dǎo)的內(nèi)、外源性物質(zhì)的過(guò)度蓄積有關(guān)關(guān)鍵詞:藥物性肝損傷;異煙肼;多藥耐藥相關(guān)蛋白2;膽鹽輸出泵;P一糖蛋白;Na一牛磺酸鈉共轉(zhuǎn)運(yùn)體doi:l0.Il669/c~.2014.04.009中圖分類(lèi)號(hào):R965文
4、獻(xiàn)標(biāo)志碼:A文章編號(hào):1001—2494(2014)04—0298—05RegulationEfectofIsoniazidontheExpressionofHepatobiliaryMembraneTransportersMrp2,Bsep,P-gPandNtcpinMouseZHOULi—ting,,ZHOUYan,ZHANGGuo—qiang,WEIYu—hui,RENJiang.xia。,,WUXin—an(1.Departm,tofPharmacy,1.¨HospitalofDtnzhouUniversity,Lan
5、zhou730000,China;2.CollegeofPharmaceuticalScience,LanzhouI/niversit)‘,Lanzhou730000,China)ABSTRACT:OBJECTIVEToinvestigatetheregulationeffectofisoniazidonthehepatobiliarymembranetransporlersnmhidrugresistanceprotein2(Mrp2),bilesaltexportpump(Bsep),P—glycoproteins(P—g
6、P),sodiumfaun}l1)latecotransportingplypeptide(Ntcp).a(chǎn)ndwhichwouldlaythefoundationforthestudiesofthemechanismonisoniazid—inducedliverinjoLwJmthelevelottransporters.METHODSFollowinganoraldoseof30,60.120mg‘kg·d~for1,2anti3monthsinmousel—spectively,thebiochemicalindicat
7、orofserumweredetermined;theliverwererenlovedforhepaticpathoh)gy;theproleinmassofBsep,Mrp2,NtcpandP—gPwereanalyzedbyWesternBlotting.RESULTSAfterhigh/middle/1I】wdoseisoniazida(Iminislra—tit)rl,theexpressionofMrp2,Bsep,P—gPandNtcpwereallchanged,especiallythehigh/middle
8、dosegroup.Inaddition,lhebiochemicalandpathologicalweresignificantlylaggedbehindtheexpressionchangeofthetransporters.CONCLUSIONFhehepatotox