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ID:33166882
大小:3.24 MB
页数:41页
时间:2019-02-21
《rhoarock信号通路在异常应力下关节软骨中的表达》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、东南大学硕士学位论文RhoA/ROCK信号通路在异常应力下关节软骨中的表达姓名:张海翔申请学位级别:硕士专业:临床医学指导教师:王宸2012-05-30中文摘要RhoA/ROCK信号通路在异常应力下关节软骨中的表达东南大学临床医学院研究生:张海翔导师:王宸目的:通过家兔伸膝制动模型,观察RhoA/ROCK信号通路在异常应力下退变关节软骨中的表达,并初步探讨其作Hj机制及意义。方法:将36只白兔随机分为4组:对照组12只,制动2,4,6周组,每组8只。制动组采,}}4右后肢伸直f市管型石膏州定法,制造家兔膝关节伸直何制动模型。对照组动物随实验进度每次
2、处夕匕4只,制动2,4,6周组分别在相应时间点取右膝关节胫7胃’平台外侧负重面全层软骨进行苏术精一伊红染色、衙红0染色及RhoA、ROCK免疫组织化学染色,比较制动前后软骨组织学、病理积分及RhoA、ROCK表达变化情况。结果:随着制动时间的互正K,关节软骨退变程度逐渐加.露,Mankin评分逐渐增加,且各纲评分之间具有统计学意义(P3、此过程中,RhoA/ROCK信号通路炭达先递增后逐渐降低,说H步JRhoA,/ROCKCi号通路可能参与了异常应力所致的关节软’舀’退变过氍。关键词:异常戍力;关1y软骨;RhoA;ROCK;免疫组钐{化学:制动东南大学硕士学位论文VariationofRhoA/ROCKtransductionpathwayofarticularcartilagesunderabnormalstressClinicalMedicalCollegeofSoutheastUniversityPostgraduate:ZhangHaixiangTutor:WangChe4、nAbstractObjective:ToexploretheroleoftheRhoA/ROCKtransductionpathwayintheprocessofarticularcartilagedegeneration.METHODS:Totally36NewZealandwhiterabbitswe'rerandomlydividedintothecontroland2-,4·and6-weekimmobilizationgroups,allofthemwereimmobilizedtherighthindlimbwithplasterba5、ndageinextensionpositionexceptthoseinthecontrolgroup.Thearticularcartilageofthelateraltibialplateauwasharvestedforhematoxylin—eosinstainingandimmunohistochemistrytoobservethepathologicalchangeandthecontentofRhoAandROCK.Results:Thearticularcartilagedegeneratedwithtimeprolonged,6、andthepathologicalscoresshowedthereweresignificantdifferencesamonggroups(P7、antroleintheprocessofarticularcartilagedegenerationunderabnormalstress.Keywords:abnormalstress;articularcartilages;RhoA:ROCK;Immunohistochemistry;immobilization英文缩略词表英文缩写OARhoGTPasesGETGAPGDIROCKmDiaTGF—ccTGF一13Sox9MMPTIMPPTHrpIL.10【IGF.IECMBMPAbbreviation英文全称中文全称Osteoarthriti8、s骨性关节炎RhoguanosinetriphosphatasesRhoGTP酶Guaninenucleotideexch
3、此过程中,RhoA/ROCK信号通路炭达先递增后逐渐降低,说H步JRhoA,/ROCKCi号通路可能参与了异常应力所致的关节软’舀’退变过氍。关键词:异常戍力;关1y软骨;RhoA;ROCK;免疫组钐{化学:制动东南大学硕士学位论文VariationofRhoA/ROCKtransductionpathwayofarticularcartilagesunderabnormalstressClinicalMedicalCollegeofSoutheastUniversityPostgraduate:ZhangHaixiangTutor:WangChe
4、nAbstractObjective:ToexploretheroleoftheRhoA/ROCKtransductionpathwayintheprocessofarticularcartilagedegeneration.METHODS:Totally36NewZealandwhiterabbitswe'rerandomlydividedintothecontroland2-,4·and6-weekimmobilizationgroups,allofthemwereimmobilizedtherighthindlimbwithplasterba
5、ndageinextensionpositionexceptthoseinthecontrolgroup.Thearticularcartilageofthelateraltibialplateauwasharvestedforhematoxylin—eosinstainingandimmunohistochemistrytoobservethepathologicalchangeandthecontentofRhoAandROCK.Results:Thearticularcartilagedegeneratedwithtimeprolonged,
6、andthepathologicalscoresshowedthereweresignificantdifferencesamonggroups(P7、antroleintheprocessofarticularcartilagedegenerationunderabnormalstress.Keywords:abnormalstress;articularcartilages;RhoA:ROCK;Immunohistochemistry;immobilization英文缩略词表英文缩写OARhoGTPasesGETGAPGDIROCKmDiaTGF—ccTGF一13Sox9MMPTIMPPTHrpIL.10【IGF.IECMBMPAbbreviation英文全称中文全称Osteoarthriti8、s骨性关节炎RhoguanosinetriphosphatasesRhoGTP酶Guaninenucleotideexch
7、antroleintheprocessofarticularcartilagedegenerationunderabnormalstress.Keywords:abnormalstress;articularcartilages;RhoA:ROCK;Immunohistochemistry;immobilization英文缩略词表英文缩写OARhoGTPasesGETGAPGDIROCKmDiaTGF—ccTGF一13Sox9MMPTIMPPTHrpIL.10【IGF.IECMBMPAbbreviation英文全称中文全称Osteoarthriti
8、s骨性关节炎RhoguanosinetriphosphatasesRhoGTP酶Guaninenucleotideexch
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