云母对nsaid相关性小肠黏膜损伤cox2及hsp70表达的影响

云母对nsaid相关性小肠黏膜损伤cox2及hsp70表达的影响

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时间:2018-11-29

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1、临床医学硕士专业学位(学士、硕士学位连续培养)硕士学位论文论文题目:云母对NSAID相关性小肠黏膜损伤COX2及HSP70表达的影响作者姓名:史久煜指导教师:吕宾教授学科专业:中西医结合临床7年制(消化专业)所在学院:第一临床医学院提交日期:2009年5月万方数据浙江中医药大学研究生学位论文原创性声明本人郑重声明:本人所提交的学位论文《云母对NSAID相关性小肠黏膜损伤COX2及HSP70表达的影响》是本人在导师的指导下,进行的研究工作及取得的研究成果。除文中已经加以标注引用的内容外,本论文不包含其他个人或集体已经发表或撰写过的研究成果。对本文的研究作出

2、重要贡献的个人和集体,均已在文中以明确方式标明和致谢。本声明的法律结果由本人承担。学位论文作者签名:签字日期:年月日学位论文版权使用授权书本学位论文作者完全了解浙江中医药大学有关保留、使用学位论文的规定,同意浙江中医药大学保留并向国家有关部门或机构送交论文的复印件和电子版,允许论文被查阅和借阅。本人授权浙江中医药大学可以将本学位论文的全部或部分内容编入有关数据库进行检索,可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。本学位论文属于1、保密□,在年解密后适用本授权书。2、不保密□。(请在以上相应方框内打“√”)学位论文作者签名:指导教师签名:签字

3、日期:年月日签字日期:年月日万方数据目录中文摘要„„„„„„„„„„„„„„„„„„„„„„„„„„„IABSTRACT„„„„„„„„„„„„„„„„„„„„„„„„„II前言„„„„„„„„„„„„„„„„„„„„„„„„„„„„1第一部分实验研究„„„„„„„„„„„„„„„„„„„„„„„2一、材料与方法„„„„„„„„„„„„„„„„„„„„„„„„„2二、结果„„„„„„„„„„„„„„„„„„„„„„„„„„„„6三、讨论„„„„„„„„„„„„„„„„„„„„„„„„„„„„9四、小结„„„„„„„„„„„„„„„„„„„„„„„„„„„

4、11五、结论„„„„„„„„„„„„„„„„„„„„„„„„„„„11参考文献„„„„„„„„„„„„„„„„„„„„„„„„„„„12附图„„„„„„„„„„„„„„„„„„„„„„„„„„„„„15万方数据致谢„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„21第二部分:文献综述„„„„„„„„„„„„„„„„„„„„„„„22第三部分:发表的文章„„„„„„„„„„„„„„„„„„„„„„28万方数据中文摘要云母对NSAID相关性小肠黏膜损伤COX2及HSP70表达的影响目的:研究NSAID相关性小肠粘膜损伤COX2及HSP70表达,探

5、讨云母对小肠粘膜的保护机制。方法:雄性SPF级SD大鼠24只,实验设对照组、模型组、云母组,每组各8只。后两组每天予双氯芬酸钠溶液7.8mg/kg剂量灌胃,制备大鼠NSAID相关性小肠粘膜损伤模型,云母组每天造模前予云母液120mg/kg剂量灌胃保护。灌胃给药5天后处死大鼠,进行大体形态肠粘膜损伤指数(CMDI)及病理Chiu氏评分,免疫组化法检测小肠黏膜COX2及HSP70表达。结果:与对照组相比,模型组CMDI、Chiu氏评分及COX2、HSP70水平明显升高(P<0.01)。而云母组CMDI、Chiu氏评分及COX2水平较模型组有明显下降(P<0.

6、01),HSP70水平更进一步升高(P<0.01)。结论:NSAID相关性小肠粘膜损伤与COX2及HSP70表达有关,云母可抑制损伤小肠粘膜COX2表达,同时增强其HSP70表达,从而起到保护作用。主题词:NSAID,小肠黏膜损伤,双氯芬酸钠,云母,COX2,HSP70I万方数据ABSTRACTEffectsofMicaonCOX2andHSP70ofNSAID-inducedsmallintestinaldamageObjective:TostudytheexpressionofCOX2andHSP70inNSAID-inducedsmallintes

7、tinaldamageandapproachtheprotectivemechanismofMica.Methods:Theexperimentwascarriedoutbyusing24rats,whichwererandomlydividedintothreegroupsand8ratsineachgroup,namelythenormalgroup,modelgroupandMicagroup.Withtheexceptionoftheratsinthenormalcontrolgroup,allratswerereceiveddailyintra

8、gastricadministrationofDiclofenacsodium(

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