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神经退行性疾病干细胞移植治疗目前研究现状与未来展望神经退行性疾病干细胞移植治疗目前研究现状与未来展望1(优选)神经退行性疾病干细胞移植治疗目前研究现状与未来展望(优选)神经退行性疾病干细胞移植治疗目前研究现状与未来展望胎儿神经干细胞治疗帕金森氏病临床研究发展历程EvansJR,MasonSL,BarkerRA.ProgBrainRes.2012;200:169-98胎儿神经干细胞治疗帕金森氏病临床研究发展历程EvansJRLindvallO,etal,NatMed.2008May;14(5):501-3THSynucleinOverlayTransplantedfetalmesencephalicdopaminergicneurons(11-16years)developedalpha-synuclein-positiveLewybodiesingraftedneuronsLindvallO,etal,NatMed.200Synuclein-HostUbiquintin-HostSynuclein-GraftedNeuronsUbiquintin-GraftedNeuronsGraftednigralneuronswerefoundtohaveLewybody-likeinclusions14yearsaftertransplantationintothestriatumofanindividualwithPDOlanowCW.etalNatMed.2008May;14(5):504-6.Synuclein-HostUbiquintin-HostSTransplanteddopamineneuronsinpeoplewithPDdonotcontainLewybodiesMendez,Isacsonetal,,NATUREMEDICINEVOLUME14(5):507-509,2008TransplanteddopamineneuronsFreedCR,JNuclMed.2010Jan;51(1):7-15-LongtermStudy-33oftheoriginaltrialparticipantswhowerefollowedfor2yearsaftertransplantationand15ofthesesubjectswhowerefollowedfor2additionalyears.-Theseresultssuggestthatclinicalbenefitandgraftviabilityaresustainedupto4yaftertransplantation.

FreedCR,Neurotherapeutics(2011)8:549–561FreedCR,JNuclMed.2010Jan人体胚胎干细胞分化的多巴胺神经元移植

改善小鼠,大鼠和猴子帕金森氏病的运动障碍22/29DECEMBER2011|VOL480|NATURE|547,LorenzStuder,etal

MemorialSloan-KetteringCancerCenter人体胚胎干细胞分化的多巴胺神经元移植

改善小鼠,大鼠和猴子帕ImprovedCellTherapyProtocolforParkinson’sDiseaseBasedonDifferentiationEfficiencyandSafetyofhESC-,HipscandNon-HumanPrimateiPSC-DerivedDANeuronsIsacsonetal,,StemCells.2013;31(8):1548-62.ImprovedCellTherapyProtocolDopaminereleasefromtransplantedneuralstemcellsinParkinsonianratstriatuminvivo.Twelvepatientsweretreatedwitheitherunilateralorbilateralinjections.6OHDAinducedRatPDModel分化的胎脑神经干细胞移植治疗PDIncreasinghostneurogenesis“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.TodeterminewhetherlocalmechanismsmediateBMSCneuroprotectiveactionsetalNatMed.(优选)神经退行性疾病干细胞移植治疗目前研究现状与未来展望胎儿神经干细胞治疗帕金森氏病临床研究发展历程Releaseofimmuno-regulatoryfactorssuchasIL-2,6,8,10toplayimmuno-modulationandattenuationoftheinflammatoryprocess,suchasMSC.2012;200:169-98ImprovedCellTherapyProtocolforParkinson’sDiseaseBasedonDifferentiationEfficiencyandSafetyofhESC-,HipscandNon-HumanPrimateiPSC-DerivedDANeuronsIntraspinalstemcelltransplantationinALS:aphaseItrial,2014Anotherrequiredreoperationforwounddehiscenceandinfection.usingESCsandiPSCsiPSCellsWereGeneratedfromPDpatientsandNormalControlsUbiquintin-GraftedNeuronsIncreasinghostneurogenesisgraftedallogeneicBMSCstositesofsevere,compressive

spinalcordinjury

(SCI)inSpragueDawleyrats.DopaminereleasefromtransplantedneuralstemcellsinParkinsonianratstriatuminvivo.

Zhouz,etal,ProcNatlAcadSciUSA.2014Nov4;111(44):15804-9DopaminereleasefromtransplaiPSCDerivedDopamineNeuronsfunctionafterTransplantationinaNonHumanPrimateModelofParkinson’sDiseaseCellStemCell.2015Mar5;16(3):269-74.

OleIsacsonetal,HarvardStemCellInstituteiPSCDerivedDopamineNeuronsfStemcellbasedClinicalTrialsfor(ALS)Nuralstem,Inc.thefirstPhaseIclinicaltrialforastemcell-basedtreatmentofALS.Initiatedin2010andcompletedin2013,involvedthetransplan-tationofhumanspinalcord-derivedNSCsintothespinalcordof15latetomid-stageALSpatientsStemcellbasedClinicalTrials“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.SummaryonMolecularMechanismofStemCellTransplantationforNeurologicalDiseasestoincreasethefunctionsoftheendogenousneuralstemcellsThisencouragingfindingsupportsconsiderationofthisdeliveryapproachforneurodegenerative,oncologic,andtraumaticspinalcordafflictions.暴露和部分横切脊髓外科手术。University,Atlanta,Georgia;DepartmentofNeurology,EmoryUniversity,Atlanta,Georgia;DepartmentofNeurology,UniversityofMichigan,AnnArbor,MichiganGlass,Feldman,E.RTPCRtoDetecttheMicroRNAExpressioninRatSCIModelPatientsarefollowedclinicallyandradiologicallytoassesspotentialtoxicityoftheprocedure.Cells

wereadministered48hoursaftertheoriginal

injury.SCgraftsshouldexhibitregulatedreleaseofdopamineinlinewiththatofendogenousdopaminergicneurons.-LongtermStudy神经退行性疾病干细胞移植治疗目前研究现状与未来展望Isacsonetal,,StemCells.神经退行性疾病干细胞移植治疗目前研究现状与未来展望RealTimeRTPCRtoDetecttheMicroRNAExpressioninSCIiPSCellsWereGeneratedfromPDpatientsandNormalControlsGlass,Feldman,E.Thus,allogeneicgraftsofBMSCsdonotappeartoactthroughlocalmechanisms,andfuture

clinicaltrials

thatacutelydeliverBMSCstoactualsitesof

injury

withindaysareunlikelytobebeneficial.Ubiquintin-GraftedNeurons“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.Thisencouragingfindingsupportsconsiderationofthisdeliveryapproachforneurodegenerative,oncologic,andtraumaticspinalcordafflictions.IntraspinalstemcelltransplantationinALS:aphaseItrial,2014Glass,Feldman,E.L.,2012.Lumbarintraspinalinjectionofneuralstemcellsinpatientswithamyotrophiclateralsclerosis:resultsofaphaseItrialin12patients.StemCells30(6),1144–1151.Riley,J.,Feldman,E.L.,2014.“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.Neurosurgery74(1),77–87“IntraspinalstemcelltransplRESULTS:Unilateralcervical(groupD,n=3)andcervicalplusthoracolumbar(groupE,n=3)microinjectionstotheventralhornhavebeencompletedinambulatorypatients.Onepatientdevelopedapostoperativekyphoticdeformitypromptingcompletionofalaminoplastyinsubsequentpatients.Anotherrequiredreoperationforwounddehiscenceandinfection.Thesolitarypatientwithbulbaramyotrophiclateralsclerosisrequiredperioperativereintubation.CONCLUSION:Deliveryofacellularpayloadtothecervicalorthoracolumbarspinalcordwaswelltoleratedbythespinalcordinthisvulnerablepopulation.Thisencouragingfindingsupportsconsiderationofthisdeliveryapproachforneurodegenerative,oncologic,andtraumaticspinalcordafflictions.IntraspinalstemcelltransplantationinALS:aphaseItrial,2014RESULTS:Unilateralcervical(iPSCellsWereGeneratedfromPDpatientsandNormalControlsiPSCellsWereGeneratedfrom6OHDAinducedRatPDModel6OHDAinducedRatPDModelHumaniPScellsIntegratedtotheHostBrainof6OHDAinducedRatPDModelHanF,WangW,ChenC,DuanJ,etalCytotherapy2015HumaniPScellsIntegratedto分化的胎脑神经干细胞移植治疗PD分化的胎脑神经干细胞移植治疗PD建立大鼠SCI损伤模型A.暴露和部分横切脊髓外科手术。B.T7横断损伤产生后肢瘫痪。C.无脊髓损伤的正常大鼠。建立大鼠SCI损伤模型A.暴露和部分横切脊髓外科手术。BRTPCRtoDetecttheMicroRNAExpressioninRatSCIModelMiR-124MiR-124MiR-124MiR-127MiR-127MiR-127MiR-127MiR-124MiR-133aMiR-133aMiR-133aMiR-181aMiR-181aMiR-181aRTPCRtoDetecttheMicroRNAERealTimeRTPCRtoDetecttheMicroRNAExpressioninSCIRealTimeRTPCRtoDetecttheM干细胞移植修复脊髓神经损伤干细胞移植修复脊髓神经损伤移植神经干细胞分化的神经轴索与宿主脊髓神经细胞及其树突形成突触连接LuPetal,Cell.2012September14;150(6):1264–1273移植神经干细胞分化的神经轴索与宿主脊髓神经细胞及其树突形成突BoneMarrowStromalCellIntraspinalTransplantsFailtoImproveMotorOutcomesinaSevereModelof

SCIJournalofNeurotrauma2015,TuszynskiMHTodeterminewhetherlocalmechanismsmediateBMSCneuroprotectiveactionsgraftedallogeneicBMSCstositesofsevere,compressive

spinalcordinjury

(SCI)inSpragueDawleyrats.

Cells

wereadministered48hoursaftertheoriginal

injury.AdditionalanimalsreceivedallogeneicMSCsthatweregeneticallymodifiedtosecreteBDNF,tofurtherdeterminewhetheralocallyadministeredneurotrophicfactorprovidesorextendsneuroprotection.twomonthspost-injury

inaclinicallyrelevantmodelofsevereSCI,BMSCgraftswithorwithoutBDNFsecretionfailedtoimprovemotoroutcomes.Thus,allogeneicgraftsofBMSCsdonotappeartoactthroughlocalmechanisms,andfuture

clinicaltrials

thatacutelydeliverBMSCstoactualsitesof

injury

withindaysareunlikelytobebeneficial.BoneMarrowStromalCellIntraIntraspinalStemCellTransplantationinAmyotrophicLateralSclerosis:APhaseISafetyTrial,TechnicalNote,andLumbarSafetyOutcomesNEUROSURGERYVOLUME71|NUMBER2|AUGUST2012DepartmentofNeurosurgery,EmoryUniversity,Atlanta,Georgia;DepartmentofNeurology,EmoryUniversity,Atlanta,Georgia;DepartmentofNeurology,UniversityofMichigan,AnnArbor,MichiganIntraspinalStemCellTranspla神经干细胞移植方法Eachmicroinjectionseriescomprised5injections(10mL/injection)separatedby4mm.Eachinjection:100000neuralstemcellsderivedfromafetalspinalcord.Twelvepatientsweretreatedwitheitherunilateralorbilateralinjections.Patientsarefollowedclinicallyandradiologicallytoassesspotentialtoxicityoftheprocedure.神经干细胞移植方法EachmicroinjectionLumbarLaminectomyLumbarLaminectomyMicroinjectionplatformapplicationMicroinjectionplatformapplicPostoperativeimagingprogressionPostoperativeimagingprogressRiley,J.,Feldman,E.L.,2014.“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.Neurosurgery74(1),77–87

Riley,J.,Feldman,E.L.,2014ClinicalTrialsusingESCsandiPSCsClinicalTrialsThereisalsoareportofoneJapanesepatientwhoreceivedatransplantofasheetofiPSC-derivedRPEThereisalsoareportofoneSummaryonMolecularMechanismofStemCellTransplantationforNeurologicalDiseasesTransplantedcellssurvive,differentiatetoneurons,astrocytes,oligodendrocyteprecursors(hESC,hiPSC,NSC)andreleaseneurologicaltransmittorssuchasdopamine,Ach.Releaseofneurotrophicfactors(GDNF,GDNE,IGF,)toincreasethefunctionsoftheendogenousneuralstemcellsReleaseofimmuno-regulatoryfactorssuchasIL-2,6,8,10toplayimmuno-modulationandattenuationoftheinflammatoryprocess,suchasMSC.Thetransplantedcellsformedsynapsewithhostcells.OtherssuchasdelayingtheonsetandprolongingsurvivalofSOD1ratsIncreasinghostneurogenesisSummaryonMolecularMechanismOleIsacsonetal,HarvardStemCellInstituteEachinjection:100000neuralstemcellsderivedfromafetalspinalcord.Cells

wereadministered48hoursaftertheoriginal

injury.sheetofiPSC-derivedRPEOtherssuchasdelayingtheonsetandprolongingsurvivalofSOD1ratsEachmicroinjectionseriescomprised5injections(10mL/injection)separatedby4mm.“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.SummaryonMolecularMechanismofStemCellTransplantationforNeurologicalDiseasesIntraspinalstemcelltransplantationinALS:aphaseItrial,2014Glass,Feldman,E.University,Atlanta,Georgia;DepartmentofNeurology,EmoryUniversity,Atlanta,Georgia;DepartmentofNeurology,UniversityofMichigan,AnnArbor,MichiganAmyotrophicLateralSclerosis:Cells

wereadministered48hoursaftertheoriginal

injury.ThereisalsoareportofoneJapanesepatientwhoreceivedatransplantofa,Feldman,E.AmyotrophicLateralSclerosis:2008May;14(5):504-6.“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.Twelvepatientsweretreatedwitheitherunilateralorbilateralinjections.Mendez,Isacsonetal,,NATUREMEDICINEVOLUME14(5):507-509,2008干细胞移植修复脊髓神经损伤AmyotrophicLateralSclerosis:OleIsacsonetal,HarvardStemCellInstituteIntraspinalstemcelltransplantationinALS:aphaseItrial,2014“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.神经退行性疾病干细胞移植治疗目前研究现状与未来展望Patientsarefollowedclinicallyandradiologicallytoassesspotentialtoxicityoftheprocedure.OleIsacsonetal,HarvardStemCellInstituteThisincludestheabsenceoftumorformationandGIDs(graft-induceddyskinesia)throughoutlong-termfollow-upperiods.2012September14;150(6):1264–1273Ubiquintin-GraftedNeuronsIncreasinghostneurogenesisEvaluationSystem(Symptoms,Dopaminerelease,Levodopa-response),UnifiedParkinson’sDiseaseRatingScale(UPDRS),BiomarkersTrial,TechnicalNote,andLumbarSafetyOutcomes“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.,Feldman,E.Adverseeffectsmustbeminimal.GraftednigralneuronswerefoundtohaveLewybody-likeinclusions14yearsaftertransplantationintothestriatumofanindividualwithPD“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.DopaminereleasefromtransplantedneuralstemcellsinParkinsonianratstriatuminvivo.分化的胎脑神经干细胞移植治疗PDiPSCellsWereGeneratedfromPDpatientsandNormalControlstoincreasethefunctionsoftheendogenousneuralstemcells6OHDAinducedRatPDModel2010Jan;51(1):7-15“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.ThereisalsoareportofoneJapanesepatientwhoreceivedatransplantofa-LongtermStudyThereisalsoareportofoneJapanesepatientwhoreceivedatransplantofaPatientsarefollowedclinicallyandradiologicallytoassesspotentialtoxicityoftheprocedure.Patientsarefollowedclinicallyandradiologicallytoassesspotentialtoxicityoftheprocedure.SCgraftsshouldexhibitregulatedreleaseofdopamineinlinewiththatofendogenousdopaminergicneurons.APhaseISafety暴露和部分横切脊髓外科手术。“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.Zhouz,etal,ProcNatlAcadSciUSA.IntraspinalStemCellTransplantationinCellSources:Neuralprojenitors,MSC,hEScells,iPScellsSCgraftsshouldexhibitregulatedreleaseofdopamineinlinewiththatofendogenousdopaminergicneurons.LorenzStuder,etalMemorialSloan-KetteringCancerCenter2012;200:169-98-LongtermStudyCells

wereadministered48hoursaftertheoriginal

injury.今后干细胞治疗神经退行性疾病的临床研究

需要考虑的问题1.CellSources:Neuralprojenitors,MSC,hEScells,iPScells2.SCgraftingshouldbeconductedtoensure>100,000dopaminergicneurons(PD)survivepertransplantationsite.3.SCgraftsshouldexhibitregulatedreleaseofdopamineinlinewiththatofendogenousdopaminergicneurons.4.Byreestablishingthestriataldopaminergicsystem,graftsshouldshowthecapacitytorestorefunctionalconnectivitywithinthebasalgangliaandatextra-striatalloci.5.Long-lastingandsignificantsymptom-reliefmustbeachieved(over2-3years).6.EvaluationSystem(Symptoms,Dopaminerelease,Levodopa-response),UnifiedParkinson’sDiseaseRatingScale(UPDRS),Biomarkers7.Adverseeffectsmustbeminimal.ThisincludestheabsenceoftumorformationandGIDs(graft-induceddyskinesia)

throughoutlong-termfollow-upperiods.8.SampleSize:over50-100patients。OleIsacsonetal,HarvardStem神经退行性疾病干细胞移植治疗目前研究现状与未来展望神经退行性疾病干细胞移植治疗目前研究现状与未来展望35(优选)神经退行性疾病干细胞移植治疗目前研究现状与未来展望(优选)神经退行性疾病干细胞移植治疗目前研究现状与未来展望胎儿神经干细胞治疗帕金森氏病临床研究发展历程EvansJR,MasonSL,BarkerRA.ProgBrainRes.2012;200:169-98胎儿神经干细胞治疗帕金森氏病临床研究发展历程EvansJRLindvallO,etal,NatMed.2008May;14(5):501-3THSynucleinOverlayTransplantedfetalmesencephalicdopaminergicneurons(11-16years)developedalpha-synuclein-positiveLewybodiesingraftedneuronsLindvallO,etal,NatMed.200Synuclein-HostUbiquintin-HostSynuclein-GraftedNeuronsUbiquintin-GraftedNeuronsGraftednigralneuronswerefoundtohaveLewybody-likeinclusions14yearsaftertransplantationintothestriatumofanindividualwithPDOlanowCW.etalNatMed.2008May;14(5):504-6.Synuclein-HostUbiquintin-HostSTransplanteddopamineneuronsinpeoplewithPDdonotcontainLewybodiesMendez,Isacsonetal,,NATUREMEDICINEVOLUME14(5):507-509,2008TransplanteddopamineneuronsFreedCR,JNuclMed.2010Jan;51(1):7-15-LongtermStudy-33oftheoriginaltrialparticipantswhowerefollowedfor2yearsaftertransplantationand15ofthesesubjectswhowerefollowedfor2additionalyears.-Theseresultssuggestthatclinicalbenefitandgraftviabilityaresustainedupto4yaftertransplantation.

FreedCR,Neurotherapeutics(2011)8:549–561FreedCR,JNuclMed.2010Jan人体胚胎干细胞分化的多巴胺神经元移植

改善小鼠,大鼠和猴子帕金森氏病的运动障碍22/29DECEMBER2011|VOL480|NATURE|547,LorenzStuder,etal

MemorialSloan-KetteringCancerCenter人体胚胎干细胞分化的多巴胺神经元移植

改善小鼠,大鼠和猴子帕ImprovedCellTherapyProtocolforParkinson’sDiseaseBasedonDifferentiationEfficiencyandSafetyofhESC-,HipscandNon-HumanPrimateiPSC-DerivedDANeuronsIsacsonetal,,StemCells.2013;31(8):1548-62.ImprovedCellTherapyProtocolDopaminereleasefromtransplantedneuralstemcellsinParkinsonianratstriatuminvivo.Twelvepatientsweretreatedwitheitherunilateralorbilateralinjections.6OHDAinducedRatPDModel分化的胎脑神经干细胞移植治疗PDIncreasinghostneurogenesis“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.TodeterminewhetherlocalmechanismsmediateBMSCneuroprotectiveactionsetalNatMed.(优选)神经退行性疾病干细胞移植治疗目前研究现状与未来展望胎儿神经干细胞治疗帕金森氏病临床研究发展历程Releaseofimmuno-regulatoryfactorssuchasIL-2,6,8,10toplayimmuno-modulationandattenuationoftheinflammatoryprocess,suchasMSC.2012;200:169-98ImprovedCellTherapyProtocolforParkinson’sDiseaseBasedonDifferentiationEfficiencyandSafetyofhESC-,HipscandNon-HumanPrimateiPSC-DerivedDANeuronsIntraspinalstemcelltransplantationinALS:aphaseItrial,2014Anotherrequiredreoperationforwounddehiscenceandinfection.usingESCsandiPSCsiPSCellsWereGeneratedfromPDpatientsandNormalControlsUbiquintin-GraftedNeuronsIncreasinghostneurogenesisgraftedallogeneicBMSCstositesofsevere,compressive

spinalcordinjury

(SCI)inSpragueDawleyrats.DopaminereleasefromtransplantedneuralstemcellsinParkinsonianratstriatuminvivo.

Zhouz,etal,ProcNatlAcadSciUSA.2014Nov4;111(44):15804-9DopaminereleasefromtransplaiPSCDerivedDopamineNeuronsfunctionafterTransplantationinaNonHumanPrimateModelofParkinson’sDiseaseCellStemCell.2015Mar5;16(3):269-74.

OleIsacsonetal,HarvardStemCellInstituteiPSCDerivedDopamineNeuronsfStemcellbasedClinicalTrialsfor(ALS)Nuralstem,Inc.thefirstPhaseIclinicaltrialforastemcell-basedtreatmentofALS.Initiatedin2010andcompletedin2013,involvedthetransplan-tationofhumanspinalcord-derivedNSCsintothespinalcordof15latetomid-stageALSpatientsStemcellbasedClinicalTrials“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.SummaryonMolecularMechanismofStemCellTransplantationforNeurologicalDiseasestoincreasethefunctionsoftheendogenousneuralstemcellsThisencouragingfindingsupportsconsiderationofthisdeliveryapproachforneurodegenerative,oncologic,andtraumaticspinalcordafflictions.暴露和部分横切脊髓外科手术。University,Atlanta,Georgia;DepartmentofNeurology,EmoryUniversity,Atlanta,Georgia;DepartmentofNeurology,UniversityofMichigan,AnnArbor,MichiganGlass,Feldman,E.RTPCRtoDetecttheMicroRNAExpressioninRatSCIModelPatientsarefollowedclinicallyandradiologicallytoassesspotentialtoxicityoftheprocedure.Cells

wereadministered48hoursaftertheoriginal

injury.SCgraftsshouldexhibitregulatedreleaseofdopamineinlinewiththatofendogenousdopaminergicneurons.-LongtermStudy神经退行性疾病干细胞移植治疗目前研究现状与未来展望Isacsonetal,,StemCells.神经退行性疾病干细胞移植治疗目前研究现状与未来展望RealTimeRTPCRtoDetecttheMicroRNAExpressioninSCIiPSCellsWereGeneratedfromPDpatientsandNormalControlsGlass,Feldman,E.Thus,allogeneicgraftsofBMSCsdonotappeartoactthroughlocalmechanisms,andfuture

clinicaltrials

thatacutelydeliverBMSCstoactualsitesof

injury

withindaysareunlikelytobebeneficial.Ubiquintin-GraftedNeurons“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.Thisencouragingfindingsupportsconsiderationofthisdeliveryapproachforneurodegenerative,oncologic,andtraumaticspinalcordafflictions.IntraspinalstemcelltransplantationinALS:aphaseItrial,2014Glass,Feldman,E.L.,2012.Lumbarintraspinalinjectionofneuralstemcellsinpatientswithamyotrophiclateralsclerosis:resultsofaphaseItrialin12patients.StemCells30(6),1144–1151.Riley,J.,Feldman,E.L.,2014.“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.Neurosurgery74(1),77–87“IntraspinalstemcelltransplRESULTS:Unilateralcervical(groupD,n=3)andcervicalplusthoracolumbar(groupE,n=3)microinjectionstotheventralhornhavebeencompletedinambulatorypatients.Onepatientdevelopedapostoperativekyphoticdeformitypromptingcompletionofalaminoplastyinsubsequentpatients.Anotherrequiredreoperationforwounddehiscenceandinfection.Thesolitarypatientwithbulbaramyotrophiclateralsclerosisrequiredperioperativereintubation.CONCLUSION:Deliveryofacellularpayloadtothecervicalorthoracolumbarspinalcordwaswelltoleratedbythespinalcordinthisvulnerablepopulation.Thisencouragingfindingsupportsconsiderationofthisdeliveryapproachforneurodegenerative,oncologic,andtraumaticspinalcordafflictions.IntraspinalstemcelltransplantationinALS:aphaseItrial,2014RESULTS:Unilateralcervical(iPSCellsWereGeneratedfromPDpatientsandNormalControlsiPSCellsWereGeneratedfrom6OHDAinducedRatPDModel6OHDAinducedRatPDModelHumaniPScellsIntegratedtotheHostBrainof6OHDAinducedRatPDModelHanF,WangW,ChenC,DuanJ,etalCytotherapy2015HumaniPScellsIntegratedto分化的胎脑神经干细胞移植治疗PD分化的胎脑神经干细胞移植治疗PD建立大鼠SCI损伤模型A.暴露和部分横切脊髓外科手术。B.T7横断损伤产生后肢瘫痪。C.无脊髓损伤的正常大鼠。建立大鼠SCI损伤模型A.暴露和部分横切脊髓外科手术。BRTPCRtoDetecttheMicroRNAExpressioninRatSCIModelMiR-124MiR-124MiR-124MiR-127MiR-127MiR-127MiR-127MiR-124MiR-133aMiR-133aMiR-133aMiR-181aMiR-181aMiR-181aRTPCRtoDetecttheMicroRNAERealTimeRTPCRtoDetecttheMicroRNAExpressioninSCIRealTimeRTPCRtoDetecttheM干细胞移植修复脊髓神经损伤干细胞移植修复脊髓神经损伤移植神经干细胞分化的神经轴索与宿主脊髓神经细胞及其树突形成突触连接LuPetal,Cell.2012September14;150(6):1264–1273移植神经干细胞分化的神经轴索与宿主脊髓神经细胞及其树突形成突BoneMarrowStromalCellIntraspinalTransplantsFailtoImproveMotorOutcomesinaSevereModelof

SCIJournalofNeurotrauma2015,TuszynskiMHTodeterminewhetherlocalmechanismsmediateBMSCneuroprotectiveactionsgraftedallogeneicBMSCstositesofsevere,compressive

spinalcordinjury

(SCI)inSpragueDawleyrats.

Cells

wereadministered48hoursaftertheoriginal

injury.AdditionalanimalsreceivedallogeneicMSCsthatweregeneticallymodifiedtosecreteBDNF,tofurtherdeterminewhetheralocallyadministeredneurotrophicfactorprovidesorextendsneuroprotection.twomonthspost-injury

inaclinicallyrelevantmodelofsevereSCI,BMSCgraftswithorwithoutBDNFsecretionfailedtoimprovemotoroutcomes.Thus,allogeneicgraftsofBMSCsdonotappeartoactthroughlocalmechanisms,andfuture

clinicaltrials

thatacutelydeliverBMSCstoactualsitesof

injury

withindaysareunlikelytobebeneficial.BoneMarrowStromalCellIntraIntraspinalStemCellTransplantationinAmyotrophicLateralSclerosis:APhaseISafetyTrial,TechnicalNote,andLumbarSafetyOutcomesNEUROSURGERYVOLUME71|NUMBER2|AUGUST2012DepartmentofNeurosurgery,EmoryUniversity,Atlanta,Georgia;DepartmentofNeurology,EmoryUniversity,Atlanta,Georgia;DepartmentofNeurology,UniversityofMichigan,AnnArbor,MichiganIntraspinalStemCellTranspla神经干细胞移植方法Eachmicroinjectionseriescomprised5injections(10mL/injection)separatedby4mm.Eachinjection:100000neuralstemcellsderivedfromafetalspinalcord.Twelvepatientsweretreatedwitheitherunilateralorbilateralinjections.Patientsarefollowedclinicallyandradiologicallytoassesspotentialtoxicityoftheprocedure.神经干细胞移植方法EachmicroinjectionLumbarLaminectomyLumbarLaminectomyMicroinjectionplatformapplicationMicroinjectionplatformapplicPostoperativeimagingprogressionPostoperativeimagingprogressRiley,J.,Feldman,E.L.,2014.“IntraspinalstemcelltransplantationinALS:aphaseItrial,cervicalmicroinjectionandfinalsurgicalsafetyoutcomes”.Neurosurgery74(1),77–87

Riley,J.,Feldman,E.L.,2014ClinicalTrialsusingESCsandiPSCsClinicalTrialsThereisalsoareportofoneJapanesepatientwhoreceivedatransplantofasheetofiPSC-derivedRPEThereisalsoareportofoneSummaryonMolecularMechanismofStemCellTransplantationforNeurologicalDiseasesTransplantedcellssurvive,differentiatetoneurons,astrocytes,oligodendrocyteprecursors(hESC,hiPSC,NSC)andreleaseneurologicaltransmittorssuchasdopamine,Ach.Releaseofneurotrophicfactors(GDNF,GDNE,IGF,)toincreasethefunctionsoftheendogenousneuralstemcellsReleaseofimmuno-regulatoryfactorssuchasIL-2,6,8,10toplayimmuno-modulationandattenuationoftheinflammatoryprocess,suchasMSC.Thetransplantedcellsformedsynapsewithhostcells.OtherssuchasdelayingtheonsetandprolongingsurvivalofSOD1ratsIncreasinghostneurogenesisSummaryonMolecularMechanismOleIsacsonetal,HarvardStemCellInstituteEachinjection:100000neuralstemcellsderivedfromafetalspinalcord.Cells

wereadministered48hoursaftertheoriginal

injury.sheetofiPSC-derivedRPEOtherssuchasdelayingtheonsetandprolongingsurvivalofSOD1ratsEachmicroinjectionseriescom

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