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ID:33719773
大小:6.59 MB
页数:52页
时间:2019-02-28
《脐带间质干细胞来源的囊泡对顺铂诱导的急性肾损伤修复的实验研究》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、江苏大学硕士学位论文脐带间质干细胞来源的囊泡对顺铂诱导的急性肾损伤修复的实验研究姓名:徐会涛申请学位级别:硕士专业:临床检验诊断学指导教师:钱晖20120608江苏大学硕士学位论文摘要目的建立用化疗药物顺铂(Cisplatin)诱导的大鼠急性肾损伤(acutekidneyinjury,AKI)动物模型,运用病理学、免疫组织化学、分子生物学等技术综合评价注射人脐带间质干细胞(humanumbilicalcordmesenchymalstemcells,hucMSCs)来源的囊泡(exosomes)的治疗效果并初步探讨其可能的作用机制。方法采用腹腔注射方式将顺铂以
2、6mg/kg体重的剂量注入大鼠体内建立急性肾损伤动物模型。在注射顺铂前以及注射顺铂后的ld、2d、3d、4d、5d、7d通过尾静脉收集大鼠血清,测定血清肌酐(Cr)和尿素氮(BUN);留取肾脏组织通过HE染色评价急性肾损伤程度。于顺铂注射后24h将hucMSCs来源的exosomes经肾被膜输注到肾损伤大鼠模型中,分别于不同时间点收集血清和肾组织,与未移植exosomes组对比,检测血清Cr、BUN的变化,通过ELISA检测血清肾损伤因子l(Kim.1),综合运用分子生物学、病理学、免疫组织化学、定量RT-PCR、westernblot等技术,评价exosom
3、e对AKI的修复效果。结果Exosomes移植组较对照组Cr、BUN、Kim.1水平显著降低(p4、胞来源的exosomes可促进大鼠急性肾损伤的修复,其主要是通过抗凋亡、促增殖和抗炎症的机制。因此,人脐带间质干细胞来源的exosomes可能为急性肾损伤的治疗提供一种新的思路。关键词脐带间质干细胞,囊泡,急性肾损伤,顺铂江苏大学硕士学位论文———————_—————————————————————————————————————_——一ABSTRACTObjectiveToestablishananimalmodelofacutekidneyinjury(AKI)inducedbycisplatinandevaluatethecurativeeffecton5、renalinjuryrepairafterhumanumbilicalcordmesenchymalstemcell(hucMSC)derivedexosomestransplantation.Further,weinvestigatethemechanismbyexperimenttechnologiessuchaspathology,immunohistochemistry,molecularbiologytechnology.MethodsAcutekidneyinjurymodelofrmsWasestablishedbythemethodofint6、raperitonealinjectioncisplatin,andthedosagesofcisplatinselected6mg/kgweightconditions.Theserumwascollectedat0day,ldays,2days,3days,4days,5days,and7daysafterinjectedcisplatin·TheserumBUNandCrlevelsweredetected.KidneytissueWasusedforHEstainingtoevaluatetheextentofacutekidneyinjury.Hum7、anumbilicalcordmesenchymalstemcell-derivedexosomeswereinjectedintoratsviarenalcapsuleaftercisplatininjectionfor24hours.TheserumBUN、Crandkim.IofratsaRerhucMSCexosomesadministrationweredetected.Thetherapeuticefficacyandmechanismofhumanumbilicalcordmesenchymalstemcell—derivedexosomeswe8、reappreciatedbymole
4、胞来源的exosomes可促进大鼠急性肾损伤的修复,其主要是通过抗凋亡、促增殖和抗炎症的机制。因此,人脐带间质干细胞来源的exosomes可能为急性肾损伤的治疗提供一种新的思路。关键词脐带间质干细胞,囊泡,急性肾损伤,顺铂江苏大学硕士学位论文———————_—————————————————————————————————————_——一ABSTRACTObjectiveToestablishananimalmodelofacutekidneyinjury(AKI)inducedbycisplatinandevaluatethecurativeeffecton
5、renalinjuryrepairafterhumanumbilicalcordmesenchymalstemcell(hucMSC)derivedexosomestransplantation.Further,weinvestigatethemechanismbyexperimenttechnologiessuchaspathology,immunohistochemistry,molecularbiologytechnology.MethodsAcutekidneyinjurymodelofrmsWasestablishedbythemethodofint
6、raperitonealinjectioncisplatin,andthedosagesofcisplatinselected6mg/kgweightconditions.Theserumwascollectedat0day,ldays,2days,3days,4days,5days,and7daysafterinjectedcisplatin·TheserumBUNandCrlevelsweredetected.KidneytissueWasusedforHEstainingtoevaluatetheextentofacutekidneyinjury.Hum
7、anumbilicalcordmesenchymalstemcell-derivedexosomeswereinjectedintoratsviarenalcapsuleaftercisplatininjectionfor24hours.TheserumBUN、Crandkim.IofratsaRerhucMSCexosomesadministrationweredetected.Thetherapeuticefficacyandmechanismofhumanumbilicalcordmesenchymalstemcell—derivedexosomeswe
8、reappreciatedbymole
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