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时间:2020-06-03
《针刺对白发性高血压大鼠肾脏形态结构及转化生长因子-β1mRNA表达的影响.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、·824·中国针灸2013年9月第33卷第9期ChineseAcupuncture&Moxibustion,Sep.2013,Vo1.33No.9r’+“+‘+‘’+‘’+”+’+’+“+‘‘、文章编号:0255—2930(2013)07—0824—05j机制探讨:中图分类号:R246.1文献标志码:Ak..++.+..++.+.++.+.针刺对白发性高血压大鼠肾脏形态结构及转化生长因子一131mRNA表达的影响陈志娟△曲怡张立德g:2g]刘宇王珊珊古丽艳(辽宁中医药大学,沈阳110032)[摘要]目的:探讨针刺干预高血压大鼠肾间质纤维化的机制。方法:将24周龄雄性自发性高血压大鼠(S
2、HR)24只随机分为模型组、培哚普利组、针刺组,每组8只。针刺组:捆绑大鼠后电针刺激大鼠双侧“曲池”“足三里”穴,强度以针柄微颤为度,刺激2Orain,1次/d;培哚普利组:培哚普利(0.4mg/kg)悬液每天灌胃1次;模型组每日捆绑束缚20min,不予治疗;同龄同种系正常血压的京都大鼠(WKY)8只为空白对照组。空白对照组自由饮食,不予处理。实验疗程为6周。测量大鼠尾动脉收缩压;HE染色观察肾脏组织形态结构;免疫组织化学染色法观察肾工、Ⅲ型胶原在肾脏沉积光密度;RT—PCR法检测转化生长因子一l31mRNA(TGF一』3tuRNA)在各组大鼠肾脏表达情况。结果:与模型组比较,针刺组血
3、压显著下降(P<0.01);肾脏形态结构损害程度较轻;肾I、Ⅲ型胶原蛋白沉积阳性面积明显减少(均P<0.05);肾TGF一8mRNA的半定量分析表达下降(P4、hypertensionCHENZhi—juan,QUYi,ZHANGLi—P圆,LIUYu,WANGShan—shan,GULi—yan(LiaoningUniversityofTCM,Shenyang110032,China)ABSTRACTObjectiveToexploremechanismofacupunctureforrenalinterstitialfibrosis(RIF)inhypertensionrats.MethodsTwenty-four24一week-oldmalespontaneouslyhypertensiveratswererandomlydivided5、intoamodelgroup,aperindoprilgroupandanacupuncturegroup,eightcasesineachone.Intheacupuncturegroup,withratstiedup,e1ectroacupuncturewasappliedatbilateral“Quchi”(LI11)and“Zusanli”(ST36)undermildvibrationofneedlehandlefor20min,onceaFday.Intheperindoprilgroup,perindopril(O.4mg/kg)suspensionliquidwasa6、p—pliedforintragastricadministration,onceaday.Inthemodelgroup,ratsweretiedupfor20minadaywithoutanytreatment.Eightsame-agesame—raceWistarKyoto(WKY)ratswithnormalbloodpressureweretakenasacontrolgroup,whichwasgivenwithfreedietbutnotreatment.Thetreatmentwasreuqiredforsixweeks.Thesystolicbloodpressur7、eofcaudalarterywastested.KidneymorphologicalstructurewasobservedbyHEcolora—tion.DepositionopticaldensityoftypeIandIlcollageninkidneywastestedbyimmunohistoehemistry.Expres—sionoftransforminggrowthfactor-~l(TGF-~i)mRNAwasteste
4、hypertensionCHENZhi—juan,QUYi,ZHANGLi—P圆,LIUYu,WANGShan—shan,GULi—yan(LiaoningUniversityofTCM,Shenyang110032,China)ABSTRACTObjectiveToexploremechanismofacupunctureforrenalinterstitialfibrosis(RIF)inhypertensionrats.MethodsTwenty-four24一week-oldmalespontaneouslyhypertensiveratswererandomlydivided
5、intoamodelgroup,aperindoprilgroupandanacupuncturegroup,eightcasesineachone.Intheacupuncturegroup,withratstiedup,e1ectroacupuncturewasappliedatbilateral“Quchi”(LI11)and“Zusanli”(ST36)undermildvibrationofneedlehandlefor20min,onceaFday.Intheperindoprilgroup,perindopril(O.4mg/kg)suspensionliquidwasa
6、p—pliedforintragastricadministration,onceaday.Inthemodelgroup,ratsweretiedupfor20minadaywithoutanytreatment.Eightsame-agesame—raceWistarKyoto(WKY)ratswithnormalbloodpressureweretakenasacontrolgroup,whichwasgivenwithfreedietbutnotreatment.Thetreatmentwasreuqiredforsixweeks.Thesystolicbloodpressur
7、eofcaudalarterywastested.KidneymorphologicalstructurewasobservedbyHEcolora—tion.DepositionopticaldensityoftypeIandIlcollageninkidneywastestedbyimmunohistoehemistry.Expres—sionoftransforminggrowthfactor-~l(TGF-~i)mRNAwasteste
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