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ID:32269973
大小:4.77 MB
页数:123页
时间:2019-02-02
《丘脑底核电刺激对猴偏侧帕金森病纹状体神经递质的影响》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、匠麓底核(subt兆l硼icnucleus,sT哟电刺激(dee曲rainstimul8tion,DBs)目前已成为治疗中晚期帕金森瘸(Parkinson’sdisease,PD)的一项安全有效的治疗方法。但是关予S强潞S豹箨霜椒裁尚不清楚。本研究透过对猴德侧蹈模型STN的长期慢性高频电刺激,观察纹状体区细胞外液多巴胺及其代谢产物和氨基酸的变佬。结采提示慢性s科离频耄髑激可以增加猴编侧轴模型勰激髑纹状体多巴胺(DA)、谷氨酸(Glu)、Y一氨基丁酸(GABA)和牛磺酸(Tau)的含精。关键词:最脑底核齄深部电蒯激帕金森病猕猴多飘胺谷鬣酸¥一氨基丁酸牛磺酸微透析0eepbr
2、ainstimul8tionofsubthalamienueleus(S羊ND封S)isasafe£mdeffectivetreatInentforpatientswithmidorlatestageParkinson’sdisease(P彩.ButthemeehanismofST挺D8Sre#lainedtobeanswered.砰eobservedchangesofextracellulardopamine,91utmate,gam舔a—aminobutyrie8cid8ndtaurineintheeorpusstriatumofMPTP—inducedhemipar
3、kinsonianmonkeysafterlongtermchronichighfrequencystimulationofSTN.Theresultsindicatedthatsen{OrmonkeyPDmodelscanbeproducedsuccessfullybyendoVascularmethod:Afterlongtermhighfrequencysti叫lation,thecOntentofextracellulardopamine,glutmate,gaHHna—a瑚inobutyricacidandtaurineinthecorpusstriatumof
4、stimulatedsideincreasedsignificantly.Thestudyshowedthatthelevelsofextracellulardopamine,glutmate,a珥IIIa—aminobutyricacidandtaurineinthecorpusstriatumofhe匝iparkinsonismrhesusmonkeyseanbeimprovedbychronicSTNDBS,whichmayplayaroleinthemechanismofSTNDBS.Key霄ord:Subthalamicnucleus,DeepbrainstiI
5、rlulation,Parkinson’sdisease,RhesusmOnkey,Dopamine,GABA,Gluta档ate,Ta娃rine,Mjcrodialvsis丘脑底核(subthalamicnucleus,sTN)电刺激(deepbrainstimulation,DBs)鬟前已成为治疗中晚期帕金森瘸(Parkinson’sdisease,阳)的一项安全有效的治疗方法。但是关于sTNDBs的作用机制尚不清楚。本研究通过对猴偏侧PD模型STN的长期慢性高频电刺激,观察纹状体区细胞外液多巴胺及其代谢产物和氨基酸豹变化。结果提示幔性STN高频电刺激可以增加猴偏侧船
6、模型刺激侧纹状体多巴胺(DA)、谷氨酸(Glu)、Y一氨基丁酸(GABA)和牛磺酸(Tau)的含量。关键词:丘脑底核脑深部电刺激帕金森病猕猴多巴胺谷氨酸Y一氨基丁酸牛磺酸微透耩DeeDbrainstimulationofsubthalamicnucleus(STNDBS)isasafeandeffectivetreatmentforpatientswithmidor1atestageParkinson’sdisease(PD)。Butthemechanis携ofSTNDBSre腿inedtobeanswered。weobservedchangesofextracellul
7、ardopamine,glutmate,gamma—a
8、TlinobutyricacidandtaurineinthecOrpusstriatumofMPTp—inducedhemi∞rkinsonian硅Ionkeys8fterlongteHnchronichighfreauencvstimulationofSTN.Theresultsindicatedthatseniormonkeyf)Dmodelscanbeproducedsuccessfullybyendovascularmethod:After10ngtermhig
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