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时间:2020-04-25
《下丘脑腹外侧视前区通过抑制结节乳头体核对大鼠睡眠觉醒的调控作用-论文.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、中华行为医学与脑科学杂志2014年2月第23卷第2期ChinJBehavMed&BrainSci,February2014,Vo1.23,No.2·97··基础研究·下丘脑腹外侧视前区通过抑制结节乳头体核对大鼠睡眠觉醒的调控作用吴芳张瑾丁睿江传玮解敏许奇丁丁王烈成【摘要】目的研究睡眠调节中枢下丘脑腹外侧视前区(VLPO)与觉醒调节关键区域结节乳头体核(TMN)之间的联系在大鼠睡眠.觉醒周期调控中的作用。方法将雄性sD大鼠随机分为对照组(TMN+ACSF&VLPO+ACSF组)与实验组(TMN+ACSF&VLPO+L—Glu组,TMN+Bic&
2、VLPO+ACSF组,TMN+Bic&VLPO+L.Glu组),采用脑立体定位技术确定大鼠VLPO以及TMN插管位置并进行核团内微量注射和多导睡眠描记技术等方法观察和记录大鼠睡眠的变化。结果与TMN+ACSF&VLPO+ACSF组(n=8)相比,TMN+ACSF&VLPO+L.Glu组(n=7)VLPO内微量注射L一谷氨酸(L—Glu)可使大鼠觉醒减少(42.30±3.75,P<0.01),非快动眼睡眠(NREM)和总睡眠时间(TsT)增多(61.97±3.41,P<0.01;77.68±3.74,P<0.01),快动眼睡眠(REM)无明显改
3、变,差异无统计学意义;与TMN+ACSF&VLPO+L-Glu组(n:7)相比,TMN+Bic&VLPO+L.Glu组(n-8)中荷包牡丹碱(Bicuculline,Bic)和L-Glu相继分别微量注射于TMN和VLPO后,大鼠觉醒增加(79.22-+3.93,P4、眠作用。【关键词】腹外侧视前区;结节乳头体核;荷包牡丹碱;睡眠;觉醒Theventrolateralpreopticnucleusregulateratsleep-wakecycleviainhibitingthetuberomammillaryan-cleusWuFang,ZhangJin,DingRui,JiangChuanwei,XieMin,XuQi,DingDing,WangLiecheng.DepartmentofPhysiology,SchoolofBasicMedicalScience,AnhuiMedicalUniversi5、ty,Hefei230032,China【Abstract】0bjectiveToinvestigatetheeffectsofrelationshipbetweenventrolateralpreopticnucleus(VLPO)andtuberomammillarynucleus(TMN)ontheregulationofsleep—wakecycleinrats.MethodsSDmaleratswererandomlydividedintocontrolgroup(TMN+ACSF&VLPO+ACSF)andexperimental6、groups(TMN+ACSF&VLPO+L—Glu,TMN+Bic&VLPO+ACSF,TMN+Bic&VLPO+L—Glu).Brainstereotaxictechnique,microin—iectionandpolysomnographywereusedtodetectandrecordthevariationofratsleep.ResultsComparedwiththeTMN+ACSF&VLPO+ACSFgroup(n-8),theamountofwakefulnessdeclined(42.30+_3.75,19<0.01)7、alongwiththeenhancementofnon—rapideyemovement(NREM)sleep(61.97-+3.41,P8、CSF&VLPO+L.Glugroup(n=7),thewakefulnessincreased(79.22:1:3.93,P<0.01),meanwhile,NR
4、眠作用。【关键词】腹外侧视前区;结节乳头体核;荷包牡丹碱;睡眠;觉醒Theventrolateralpreopticnucleusregulateratsleep-wakecycleviainhibitingthetuberomammillaryan-cleusWuFang,ZhangJin,DingRui,JiangChuanwei,XieMin,XuQi,DingDing,WangLiecheng.DepartmentofPhysiology,SchoolofBasicMedicalScience,AnhuiMedicalUniversi
5、ty,Hefei230032,China【Abstract】0bjectiveToinvestigatetheeffectsofrelationshipbetweenventrolateralpreopticnucleus(VLPO)andtuberomammillarynucleus(TMN)ontheregulationofsleep—wakecycleinrats.MethodsSDmaleratswererandomlydividedintocontrolgroup(TMN+ACSF&VLPO+ACSF)andexperimental
6、groups(TMN+ACSF&VLPO+L—Glu,TMN+Bic&VLPO+ACSF,TMN+Bic&VLPO+L—Glu).Brainstereotaxictechnique,microin—iectionandpolysomnographywereusedtodetectandrecordthevariationofratsleep.ResultsComparedwiththeTMN+ACSF&VLPO+ACSFgroup(n-8),theamountofwakefulnessdeclined(42.30+_3.75,19<0.01)
7、alongwiththeenhancementofnon—rapideyemovement(NREM)sleep(61.97-+3.41,P8、CSF&VLPO+L.Glugroup(n=7),thewakefulnessincreased(79.22:1:3.93,P<0.01),meanwhile,NR
8、CSF&VLPO+L.Glugroup(n=7),thewakefulnessincreased(79.22:1:3.93,P<0.01),meanwhile,NR
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