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《海参虫草复剂对糖尿病大鼠肾脏保护机制的研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、ScienceandTechnologyofFoodIndustry营养与僳毽海参虫草复剂对糖尿病大鼠肾脏@謦杨延存,王静凤,李晓林,张殉,杨玉红,薛长湖(中国海洋大学食品科学与工程学院,山东青岛266003)摘要:目的:研究海参虫草复剂(ApostichopusjaponicusandCordycepsmilitaris,AC)对链脲佐菌素(Streptozocin,STZ)诱导的糖尿病大鼠肾脏功能的保护作用。方法:采用一次性腹腔注射STZ60mg/kg建立大鼠糖尿病模型,在长期高血糖环境下造成对肾脏的损伤。糖
2、尿病大鼠分为海参虫苹复剂低剂量组和高剂量组,灌胃剂量分别为300、1200mg/kg.b,8周后分别检测大鼠肾肥大指数、尿中总蛋白、微量白蛋白(Microalbuminnria,mAlb)和N~乙酰一B—D一氨基葡萄糖苷酶(N—acetyl一3-D—Glucosaminidase,NAG)含量,并取肾皮质对其结构变化进行显微和亚显微观察。结论:海参虫草复剂能显著防止糖尿病肾病大鼠肾小球肥大、降低mAlb与NAG排泄率、降低肾小管内溶酶体数量、减轻肾小管的肿胀程度、保护肾小管刷状缘结构,说明海参虫草复剂对糖尿病大鼠
3、肾脏的结构和功能具有显著的保护作用。关键词:El本刺参,蛹虫草,糖尿病肾病,肾小球基底膜TheprotectionmechanismofthemixtureofApostichopusjaponicusandCordycepsmilitarisinkidneyofdiabeticratsYANGYan—CUll,WANGJing—feng,LIXiao—lin,ZHANGXunYANGYu—hong,XUEChang—hu(CollegeofFoodScienceandEngineering,OceanUnive
4、rsityofChina,Qingdao266003,China)Abstract:Objective:TostudytheprotectionmechanismofthemixtureofApostichopusjaponicusandCordycepsmilitaris(AC)inkidneyofdiabeticratswhichwereinducedbyStreptozotocin(STZ).Methods:Ratsdiabeticmode1.inwhichthekidneysweredamagedunde
5、rlong—termhighlevelsofbloodglucose,wasinducedbyone—timeintraperitonealinjectionofStreptozotocin(60mg/kg).ThediabeticratsweregivendifferentdosageofthemixtureofApostichopus#pon~usandCordycepsmilitaris300mg/kg·bwand1200mg/kg·bw,8weekslater.eachofthefollowingindi
6、catorswereinspected:lherenalindex,theexcretionofprotein,Microalbuminuria(mAIb),N—acetyl—B—D—Glucosaminidase(NAG)inurineandthemorphologicchangeinkidneywithelectronmicroscopyandtransmissionelectronmicroscopy.Conclusion:ThemixtureOfApostichopusjaponicusandCordyc
7、epsmilitarisdecreasetherenafindex,mAIb,NAG,andamountsOflysosomejnrenaltubules.TheACalsosuppressedturgidityofrenaltubulesandprotectsstructureofkidney.Themixturehadremarkablefunctionofprotectioninkidneyofdiabeticrats.Keywords:Apostichopusjaponicus;Cordycepsmili
8、taris;diabetesnephropathy;glomerularbasalmembrane中图分类号:TS201.4文献标识码:A文章编号:1002—0306(2012)02—0396—04糖尿病肾病(Diabetesnephropathy,DN)是糖尿苷、海参多糖、胶原蛋白等活性成分,具有抗肿瘤、提病最常见的慢性并发症之一,是糖尿病病人致残和高免疫力、调节血脂、
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