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ID:33202531
大小:3.47 MB
页数:51页
时间:2019-02-22
《异丙酚对大鼠内毒素脑损伤jakstat通路及细胞凋亡的影响》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、重庆医科大学硕士学位论文异丙酚对大鼠内毒素脑损伤JAK/STAT通路及细胞凋亡的影响姓名:邓必高申请学位级别:硕士专业:麻醉学指导教师:但伶201205重庆医科大学硕士研究生学位论文异丙酚对大鼠内毒素脑损伤JⅨ/j如可通路及细胞凋亡的影响摘要目的:观察异丙酚对大鼠内毒素性脑损伤磷酸化JAK2、S似r3蛋白表达和细胞凋亡的影响,并探讨其作用机制。方法:健康清洁级SD大鼠72只,雌雄不限,体重220一250g,随机分为3组(n=24):对照组(C组)、内毒素组(L组)和内毒素+异丙酚组(LP组)。L组和LP组经颈内动脉注射LPS(1mg/kg)建立大鼠内毒素脑损伤模型,C组经颈内动脉注射等量生理
2、盐水,LP组颈内动脉注射LPS后即予异丙酚100mg/kg剂量腹腔注射。3组分别于6、12、24和48h随机处死6只大鼠,取额叶皮质,检测脑组织含水量,AnneXinV—PI法检测神经细胞凋亡,免疫组织化学检测P—J舢Q、P.STAT3、NF一1cB、越F和CaspaSe.3表达水平的变化,W融emb10t检测P.JAK2、P—STAT3和AIF表达的变化,光镜下观察脑组织形态及病理学变化。结果:与C组相比,L组、LP组各时间点脑组织含水量增高,凋亡细胞增多,P—J越Q、P-S仉盯3、NF.俎:、址F和CaSpase-3表达增加(尸3、量、凋亡细胞、P.J舢Q、P.STAr3、NF一1(B、舭F和CauspaSe-3表达明显减少(尸4、RoPOFoLTREATMENToNEXPRESSIoNoFJAK.STATPATHⅥ,AYANDCELLAPOPTOSISINBRAINTISSUEINRATSWITHLPS.INDUCEDBRAININJURYABSTRACTObjective:TbinveStigateneuroprotectiVeef.feCtsofPropofolontheexpressionofP—JAK2、P-STIAT3andcellapoptosisinbraintissueinratswithLPS—inducedbrain岫uryandthepossiblemechanism.Methods:SeVen5、tyMomale锄dfemaleSDratsweighting220-250gwerer锄domlydividedinto3groups(n=24each):CerebraledemawaSinducedbyinjeCtingLPS1m∥蚝Vial舒intemalcarotidaneryin鲈oupLand鲈oupLPInCgroup,equalvolumeofnomads甜inewaSadminiSteredinsteadofLPS.GroupLPreceivedintrap矗tonealPropofIol1OOmg/蚝immediately心erLPSadminiStration.Six6、ratsofeaCh鲈oupweredec印itatedat6h、12h、24hand48haReroperationandtheirf}0ntallobeconexwereimmediatelyremovedfordeterminationofwatercont锄t.Theexpressionofthe印optoticneuronsweredeteCtedbyAnnexinV-PI,theexpressionofP-J舢Q、P-Sn叮3、NF—KB、AIFandCaspaSe一3proteins、ⅣeredeteCtedbyimmunohistochemist吼andtheW色Stembl7、otanalysiswereusedtodetecttheexpressionofP—JAK2、P-ST/气=r3’andNF—KB4proteins.PathologicalchangeinbrainwaSobseⅣedwithlightmicroscopeResuIts:Thebrainwatercontent、thenumberofneuronalapoptosisincreased,theeXpres
3、量、凋亡细胞、P.J舢Q、P.STAr3、NF一1(B、舭F和CauspaSe-3表达明显减少(尸4、RoPOFoLTREATMENToNEXPRESSIoNoFJAK.STATPATHⅥ,AYANDCELLAPOPTOSISINBRAINTISSUEINRATSWITHLPS.INDUCEDBRAININJURYABSTRACTObjective:TbinveStigateneuroprotectiVeef.feCtsofPropofolontheexpressionofP—JAK2、P-STIAT3andcellapoptosisinbraintissueinratswithLPS—inducedbrain岫uryandthepossiblemechanism.Methods:SeVen5、tyMomale锄dfemaleSDratsweighting220-250gwerer锄domlydividedinto3groups(n=24each):CerebraledemawaSinducedbyinjeCtingLPS1m∥蚝Vial舒intemalcarotidaneryin鲈oupLand鲈oupLPInCgroup,equalvolumeofnomads甜inewaSadminiSteredinsteadofLPS.GroupLPreceivedintrap矗tonealPropofIol1OOmg/蚝immediately心erLPSadminiStration.Six6、ratsofeaCh鲈oupweredec印itatedat6h、12h、24hand48haReroperationandtheirf}0ntallobeconexwereimmediatelyremovedfordeterminationofwatercont锄t.Theexpressionofthe印optoticneuronsweredeteCtedbyAnnexinV-PI,theexpressionofP-J舢Q、P-Sn叮3、NF—KB、AIFandCaspaSe一3proteins、ⅣeredeteCtedbyimmunohistochemist吼andtheW色Stembl7、otanalysiswereusedtodetecttheexpressionofP—JAK2、P-ST/气=r3’andNF—KB4proteins.PathologicalchangeinbrainwaSobseⅣedwithlightmicroscopeResuIts:Thebrainwatercontent、thenumberofneuronalapoptosisincreased,theeXpres
4、RoPOFoLTREATMENToNEXPRESSIoNoFJAK.STATPATHⅥ,AYANDCELLAPOPTOSISINBRAINTISSUEINRATSWITHLPS.INDUCEDBRAININJURYABSTRACTObjective:TbinveStigateneuroprotectiVeef.feCtsofPropofolontheexpressionofP—JAK2、P-STIAT3andcellapoptosisinbraintissueinratswithLPS—inducedbrain岫uryandthepossiblemechanism.Methods:SeVen
5、tyMomale锄dfemaleSDratsweighting220-250gwerer锄domlydividedinto3groups(n=24each):CerebraledemawaSinducedbyinjeCtingLPS1m∥蚝Vial舒intemalcarotidaneryin鲈oupLand鲈oupLPInCgroup,equalvolumeofnomads甜inewaSadminiSteredinsteadofLPS.GroupLPreceivedintrap矗tonealPropofIol1OOmg/蚝immediately心erLPSadminiStration.Six
6、ratsofeaCh鲈oupweredec印itatedat6h、12h、24hand48haReroperationandtheirf}0ntallobeconexwereimmediatelyremovedfordeterminationofwatercont锄t.Theexpressionofthe印optoticneuronsweredeteCtedbyAnnexinV-PI,theexpressionofP-J舢Q、P-Sn叮3、NF—KB、AIFandCaspaSe一3proteins、ⅣeredeteCtedbyimmunohistochemist吼andtheW色Stembl
7、otanalysiswereusedtodetecttheexpressionofP—JAK2、P-ST/气=r3’andNF—KB4proteins.PathologicalchangeinbrainwaSobseⅣedwithlightmicroscopeResuIts:Thebrainwatercontent、thenumberofneuronalapoptosisincreased,theeXpres
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