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《不同强度有氧运动对糖尿病大鼠血糖及心肌氧自由基的影响-论文.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、356.中国循证心血管医学杂志20l4年6月第6卷第3期ChinJEvidBasedCardiovascMed,Jun,2014,Vo1.6,No.3·论著·不同强度有氧运动对糖尿病大鼠血糖及心肌氧自由基的影响王瑜,于瑞雪,胡思博【摘要】目的探讨不同强度有氧运动对糖尿病大鼠血糖及心肌氧自由基的影响。方法通过高脂饮食饲喂及腹腔注射链脲佐菌素(STZ)的方法建立糖尿病大鼠模型40只,随机分为模型组、低强度运动组、中强度运动组、高强度运动组,每组各1ON。3个运动组分别给予10m/rain(相当于30%VO2M
2、AX)、15m/min(相当于50%VO2MAX)、20m/min(相当于70%VO2MAX)跑台运动,每天运动1小时,每周运动6天,连续6周。随后尾静脉取血,检测空腹血糖(FBG)、血清胰岛素(FINS)、计算胰岛素抵抗指数(HOMA—IR);取大鼠心脏,检测心肌组织中超氧化物歧化酶(SOD)、丙二醛(MDA)、一氧化氮(NO)、总一氧化氮合酶(NOS)水平。结果与造模前比较,各组大鼠注射STZ后FBG、FINS、HOMA—IR均升高(P均3、运动组、高强度运动组FBG、FINS、HOMA—IR下降(P均<0.05);与低、中强度运动组比较,高强度运动组FBG、FINS、HOMA—IR均升高(P均<0.05)。运动治疗6周后,各运动组大鼠较模型组MDA和NO水平、NOS活性降低(P4、疗糖尿病心肌病发挥一定作用。【关键词】有氧运动;糖尿病大鼠;血糖;氧自由基【中图分类号】R587.1【文献标志码】A【文章编号】1674—4055(2014)03—0356—03InfluencesofaerobicswithdiferentintensitiesonbloodglucoseandmyocardialoxygenfreeradicalsindiabeticratsWANGYu,YURui-xue,HUSi-bo.MedicalCollege,PingdingshanUniversity,H5、enanProvince,Pingdingshan467000,China.Correspondingauthor:WANG.E-maih14847147@qq.corn[Abstract]ObjectiveToinvestigatetheinfluencesofaerobicswithdifferentintensitiesonbloodglucoseandmyocardialoxygenfreeradicals(OFR)indiabeticrats.MethodsTheratmodelofdiabet6、eswasestablishedbyfeedinghigh—flatdietandintraperitonealinjectionofSTZ,andthen40ratswererandomlydividedintomodelgroup,low—intensityaerobicsgroup,mid-intensityaerobicsgroupandhigh—intensityaerobicsgroup(eachn=lo1.Allaerobicsgroupsunderwenttreadmillrunning,7、respectively,for10m/min(=30%VO2MAX),15m/min(=50%VO2MAX)and20m/rain(:70%VO2MAX)1haday,6daweekfor6w.Thelevelsoffastingbloodglucose(FBG),fastinginsulin(FINS)andHOMA-IRincaudalvein,andsuperoxidedismutase(SOD),malondialdehyde(MDA),nitricoxide(NO)andnitricoxide8、synthase(NOS)inmyocardialtissueweredetected.ResultsAfterinjectingSTZ,thelevelsofFBG,FINSandHOMA-IRincreasedinallgroups(allP
3、运动组、高强度运动组FBG、FINS、HOMA—IR下降(P均<0.05);与低、中强度运动组比较,高强度运动组FBG、FINS、HOMA—IR均升高(P均<0.05)。运动治疗6周后,各运动组大鼠较模型组MDA和NO水平、NOS活性降低(P4、疗糖尿病心肌病发挥一定作用。【关键词】有氧运动;糖尿病大鼠;血糖;氧自由基【中图分类号】R587.1【文献标志码】A【文章编号】1674—4055(2014)03—0356—03InfluencesofaerobicswithdiferentintensitiesonbloodglucoseandmyocardialoxygenfreeradicalsindiabeticratsWANGYu,YURui-xue,HUSi-bo.MedicalCollege,PingdingshanUniversity,H5、enanProvince,Pingdingshan467000,China.Correspondingauthor:WANG.E-maih14847147@qq.corn[Abstract]ObjectiveToinvestigatetheinfluencesofaerobicswithdifferentintensitiesonbloodglucoseandmyocardialoxygenfreeradicals(OFR)indiabeticrats.MethodsTheratmodelofdiabet6、eswasestablishedbyfeedinghigh—flatdietandintraperitonealinjectionofSTZ,andthen40ratswererandomlydividedintomodelgroup,low—intensityaerobicsgroup,mid-intensityaerobicsgroupandhigh—intensityaerobicsgroup(eachn=lo1.Allaerobicsgroupsunderwenttreadmillrunning,7、respectively,for10m/min(=30%VO2MAX),15m/min(=50%VO2MAX)and20m/rain(:70%VO2MAX)1haday,6daweekfor6w.Thelevelsoffastingbloodglucose(FBG),fastinginsulin(FINS)andHOMA-IRincaudalvein,andsuperoxidedismutase(SOD),malondialdehyde(MDA),nitricoxide(NO)andnitricoxide8、synthase(NOS)inmyocardialtissueweredetected.ResultsAfterinjectingSTZ,thelevelsofFBG,FINSandHOMA-IRincreasedinallgroups(allP
4、疗糖尿病心肌病发挥一定作用。【关键词】有氧运动;糖尿病大鼠;血糖;氧自由基【中图分类号】R587.1【文献标志码】A【文章编号】1674—4055(2014)03—0356—03InfluencesofaerobicswithdiferentintensitiesonbloodglucoseandmyocardialoxygenfreeradicalsindiabeticratsWANGYu,YURui-xue,HUSi-bo.MedicalCollege,PingdingshanUniversity,H
5、enanProvince,Pingdingshan467000,China.Correspondingauthor:WANG.E-maih14847147@qq.corn[Abstract]ObjectiveToinvestigatetheinfluencesofaerobicswithdifferentintensitiesonbloodglucoseandmyocardialoxygenfreeradicals(OFR)indiabeticrats.MethodsTheratmodelofdiabet
6、eswasestablishedbyfeedinghigh—flatdietandintraperitonealinjectionofSTZ,andthen40ratswererandomlydividedintomodelgroup,low—intensityaerobicsgroup,mid-intensityaerobicsgroupandhigh—intensityaerobicsgroup(eachn=lo1.Allaerobicsgroupsunderwenttreadmillrunning,
7、respectively,for10m/min(=30%VO2MAX),15m/min(=50%VO2MAX)and20m/rain(:70%VO2MAX)1haday,6daweekfor6w.Thelevelsoffastingbloodglucose(FBG),fastinginsulin(FINS)andHOMA-IRincaudalvein,andsuperoxidedismutase(SOD),malondialdehyde(MDA),nitricoxide(NO)andnitricoxide
8、synthase(NOS)inmyocardialtissueweredetected.ResultsAfterinjectingSTZ,thelevelsofFBG,FINSandHOMA-IRincreasedinallgroups(allP
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