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时间:2020-06-04
《磁刺激对体外原代神经元迁移的影响.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、2O南昌大学学报(医学版)2014年第54卷第2期JournalofNanchangUniversity(MedicalSciences)2014,Vo1.54No.2磁刺激对体外原代神经元迁移的影响杨云凤,吴碧华(川北医学院附属医院老年科,四川南充637000)摘要:目的体外观察磁刺激对原代神经元迁移的影响。方法原代培养sD大鼠皮质神经元,分为正常组(con—trol,C组)、假刺激组(shame,S组)、40最大输出强度组(40ofmaximumintensityofstimulation,0.4T组)、6O最大输出强度组(6Oofmaximumi
2、ntensityofstimulation,0.6T组)。各组细胞接种于transwell小室内,自细胞接种后第2~6天接受磁刺激,连续刺激5d,各组细胞于第6天同一时间染色,将transwell小室倒置,光学显微镜下计数。结果c组有(2.6土0.548)个、S组有(3.0士0.707)个细胞迁移,2组比较差异无统计学意义(P>0.05);0.4T组有(17.40土1.673)个、0.6T组有(18.40±1.572)个细胞迁移,迁移的数量较C组及S组明显增多(P3、ell小室;体外;大鼠中图分类号:R一332文献标志码:A文章编号:2o95—4727(2o14)02—0020-04EffectsofMagneticStimulationonPrimaryNeuronalMigrationinVitroYANGYun-feng,WUBi—hua(DepartmentofGeniatrics,theAffiliatedHospitalofNorthSichuanMedicalCollege,Nanchong637000,China)ABSTRACT:0bjectiveToobservetheeffectsofmagn4、eticstimulationonprimaryneuronalmi—grationinvitro.MethodsPrimaryculturedSDratcorticalneuronsweredividedintofourgroup:controlgroup(groupC),shamsimulationgroup(groupS),40ofmaximumstimulationintensitygroup(0.4Tgroup),and60ofmaximumstimulationintensitygroup(0.6Tgroup).Cellswereplant5、edinthetranswellchambers.andwerestimulatedfromtheseconddaytothesixthdayafterplantation.Moreover,cellsindifferentgroupswerestainedatthesametimeonthesixthday.Tr—answellchamberswereinvertedandcellswerecountedunderlightmicroscope.ResultsThenumbersofmigratedcellsin0.4Tgroup(17.40±1.66、73)and0.6Tgroup(18.40±1.572)weresignificantlyhigherthanthoseingroupC(2.64-0.548)orgroupS(3.0±0.707)(P<0.05).ThedifferenceswerenotsignificantbetweengroupCandgroupS(P>0.05).ConclusionMagneticstimulationcanpromoteprimaryneuronalmigrationinvitro.KEYWORDS:magneticstimulation;primaryn7、euron;transwellchamber;invitro;rats重复经颅磁刺激(repetitivetranscranialmag—节频率、强度、刺激间歇和刺激时间对中枢神经系统neticstimulation,rTMS)是2O世纪8O年代引入神的功能产生不同的影响,本课题的前期研究已证实经科学领域的一种连续皮质刺激手段,其基本原理一定强度和频率的rTMs可促进脑缺血后内源性是电磁感应定律,临床上rTMS已在脑卒中_1]、帕神经细胞的增殖及促进新生的神经细胞向病灶区迁金森病、老年痴呆、癫痢Ⅲ、抑郁症嘲等神经系移,一定程度上促进神经功能的恢复。应用8、tran统疾病方面取得了令人满意的疗效。rTMS通过调swell小室体外模拟内源性神经细胞的迁
3、ell小室;体外;大鼠中图分类号:R一332文献标志码:A文章编号:2o95—4727(2o14)02—0020-04EffectsofMagneticStimulationonPrimaryNeuronalMigrationinVitroYANGYun-feng,WUBi—hua(DepartmentofGeniatrics,theAffiliatedHospitalofNorthSichuanMedicalCollege,Nanchong637000,China)ABSTRACT:0bjectiveToobservetheeffectsofmagn
4、eticstimulationonprimaryneuronalmi—grationinvitro.MethodsPrimaryculturedSDratcorticalneuronsweredividedintofourgroup:controlgroup(groupC),shamsimulationgroup(groupS),40ofmaximumstimulationintensitygroup(0.4Tgroup),and60ofmaximumstimulationintensitygroup(0.6Tgroup).Cellswereplant
5、edinthetranswellchambers.andwerestimulatedfromtheseconddaytothesixthdayafterplantation.Moreover,cellsindifferentgroupswerestainedatthesametimeonthesixthday.Tr—answellchamberswereinvertedandcellswerecountedunderlightmicroscope.ResultsThenumbersofmigratedcellsin0.4Tgroup(17.40±1.6
6、73)and0.6Tgroup(18.40±1.572)weresignificantlyhigherthanthoseingroupC(2.64-0.548)orgroupS(3.0±0.707)(P<0.05).ThedifferenceswerenotsignificantbetweengroupCandgroupS(P>0.05).ConclusionMagneticstimulationcanpromoteprimaryneuronalmigrationinvitro.KEYWORDS:magneticstimulation;primaryn
7、euron;transwellchamber;invitro;rats重复经颅磁刺激(repetitivetranscranialmag—节频率、强度、刺激间歇和刺激时间对中枢神经系统neticstimulation,rTMS)是2O世纪8O年代引入神的功能产生不同的影响,本课题的前期研究已证实经科学领域的一种连续皮质刺激手段,其基本原理一定强度和频率的rTMs可促进脑缺血后内源性是电磁感应定律,临床上rTMS已在脑卒中_1]、帕神经细胞的增殖及促进新生的神经细胞向病灶区迁金森病、老年痴呆、癫痢Ⅲ、抑郁症嘲等神经系移,一定程度上促进神经功能的恢复。应用
8、tran统疾病方面取得了令人满意的疗效。rTMS通过调swell小室体外模拟内源性神经细胞的迁
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