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时间:2020-05-07
《急性羰基镍中毒大鼠肝脏中ATP酶活力及其基因表达的实验观察-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、工业卫生与职业病2014年第4O卷第4期IndHhh&OccupDis2014,Vo1.40,No.4【论著】急性羰基镍中毒大鼠肝脏中ATP酶活力及其基因表达的实验观察王辉,王宁,王秋英。,蒲宏全,罗琴,尚慧。,马海霞,马国煜。,程宁(1.兰州大学甘肃省新药临床前研究重点实验室,甘肃兰州730000;2.兰州大学公共卫生学院流行病与卫生统计学研究所,甘肃兰州730000;3.金川公司职工医院,甘肃金昌737103)【摘要】目的通过研究大鼠急性羰基镍中毒肝脏中钠钾ATP酶(Na+_KATPase)活力变化与钠钾ATP酶a1(Na上_KATPasea1)
2、基因表达,探讨急性羰基镍中毒对肝脏的急性毒性作用及其中毒机制。方法健康SPF级SD大鼠200只,分为5组,雌雄各半,静态吸入染毒,染毒时间为30min,羰基镍染毒浓度分别为20、135和250mg/m。,氯气染毒250mg/m。为阳性对照组,健康大鼠为正常对照组,染毒后第1、第2、第3和第7天分别取材,用定磷比色法测定Na-KATP酶活力,用反转录一聚合酶链反应(RT—PCR)方法测定Nar_KATPa1基因的表达水平。结果在低、中、高浓度羰基镍染毒条件下,肝脏中Na一KATP酶活力均明显下降(P3、最为明显(P4、isoningWANGHui,WANGNing,WANGQiu—ying,PUHong—quan,LUOQin,SHANGHui,MAHai—xia,MAGuo—yu,CHENGNing(GansuProvincialKeyLaboratoryofDrugsPre-clinicalStudies.LanzhouUniversity,Lanzhou730000China)[Abstract]ObjectiveBystudyingdynamicchangeofNa。。~KATPaseandgeneexpressionofNa一APase口1inacute5、lynickelcarbonylpoisonedratliverstoexploreitsacutetoxicityinliverfunctionanditsintox—icationmechanism.Methods200healthySPFSDratshalf-and—halfinmaleandfemaleweredividedinto5groups.Threeexposedgroupscomposedofstaticallyinhalingnickelcarbonylof20,135and250mg/m3re—spectivelyfor30ra6、in.Chlorineexposureto250mg/m3wastakenasthepositivecontrolgroup.Healthyratsweretakenasthenormalcontrolgroup.Allanimalsweresacrificedandsampledatthe1,2,3。and7‘drespectively.ColorimetricphosphorusdeterminationmethodwasusedtodeterminetheactivityofNa一KAT—Pase,reversetranscription-po7、lymerasechainreaction(RT—PCR)methodwasusedtodeterminegeneexpres—sionlevelofNa+一K+ATP1.ResultsInallthreedosageexposedgroups.theactivitiesofNa+一K+ATPaseinliversignificantlylowered(P8、ATP口1inliveratthe3rddshowedlowerthanthatofthecontrolgr
3、最为明显(P4、isoningWANGHui,WANGNing,WANGQiu—ying,PUHong—quan,LUOQin,SHANGHui,MAHai—xia,MAGuo—yu,CHENGNing(GansuProvincialKeyLaboratoryofDrugsPre-clinicalStudies.LanzhouUniversity,Lanzhou730000China)[Abstract]ObjectiveBystudyingdynamicchangeofNa。。~KATPaseandgeneexpressionofNa一APase口1inacute5、lynickelcarbonylpoisonedratliverstoexploreitsacutetoxicityinliverfunctionanditsintox—icationmechanism.Methods200healthySPFSDratshalf-and—halfinmaleandfemaleweredividedinto5groups.Threeexposedgroupscomposedofstaticallyinhalingnickelcarbonylof20,135and250mg/m3re—spectivelyfor30ra6、in.Chlorineexposureto250mg/m3wastakenasthepositivecontrolgroup.Healthyratsweretakenasthenormalcontrolgroup.Allanimalsweresacrificedandsampledatthe1,2,3。and7‘drespectively.ColorimetricphosphorusdeterminationmethodwasusedtodeterminetheactivityofNa一KAT—Pase,reversetranscription-po7、lymerasechainreaction(RT—PCR)methodwasusedtodeterminegeneexpres—sionlevelofNa+一K+ATP1.ResultsInallthreedosageexposedgroups.theactivitiesofNa+一K+ATPaseinliversignificantlylowered(P8、ATP口1inliveratthe3rddshowedlowerthanthatofthecontrolgr
4、isoningWANGHui,WANGNing,WANGQiu—ying,PUHong—quan,LUOQin,SHANGHui,MAHai—xia,MAGuo—yu,CHENGNing(GansuProvincialKeyLaboratoryofDrugsPre-clinicalStudies.LanzhouUniversity,Lanzhou730000China)[Abstract]ObjectiveBystudyingdynamicchangeofNa。。~KATPaseandgeneexpressionofNa一APase口1inacute
5、lynickelcarbonylpoisonedratliverstoexploreitsacutetoxicityinliverfunctionanditsintox—icationmechanism.Methods200healthySPFSDratshalf-and—halfinmaleandfemaleweredividedinto5groups.Threeexposedgroupscomposedofstaticallyinhalingnickelcarbonylof20,135and250mg/m3re—spectivelyfor30ra
6、in.Chlorineexposureto250mg/m3wastakenasthepositivecontrolgroup.Healthyratsweretakenasthenormalcontrolgroup.Allanimalsweresacrificedandsampledatthe1,2,3。and7‘drespectively.ColorimetricphosphorusdeterminationmethodwasusedtodeterminetheactivityofNa一KAT—Pase,reversetranscription-po
7、lymerasechainreaction(RT—PCR)methodwasusedtodeterminegeneexpres—sionlevelofNa+一K+ATP1.ResultsInallthreedosageexposedgroups.theactivitiesofNa+一K+ATPaseinliversignificantlylowered(P8、ATP口1inliveratthe3rddshowedlowerthanthatofthecontrolgr
8、ATP口1inliveratthe3rddshowedlowerthanthatofthecontrolgr
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