2001
Embryonic ventral mesencephalic grafts to the substantia nigra of MPTP‐treated monkeys: Feasibility relevant to multiple‐target grafting as a therapy for Parkinson's disease
Collier TJ, Sortwell CE, Elsworth JD, Taylor JR, Roth RH, Sladek JR, Redmond DE. Embryonic ventral mesencephalic grafts to the substantia nigra of MPTP‐treated monkeys: Feasibility relevant to multiple‐target grafting as a therapy for Parkinson's disease. The Journal Of Comparative Neurology 2001, 442: 320-330. PMID: 11793337, DOI: 10.1002/cne.10108.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAxonsBrain Tissue TransplantationCell DifferentiationChlorocebus aethiopsDopamineGraft SurvivalHomovanillic AcidImmunohistochemistryMaleNeostriatumNerve RegenerationNeuritesNeuronsParkinsonian DisordersRecovery of FunctionStem Cell TransplantationStem CellsSubstantia NigraTreatment OutcomeTyrosine 3-MonooxygenaseConceptsSubstantia nigraParkinson's diseaseDA neuronsVentral mesencephalonTyrosine hydroxylaseTH-positive fiber densityEmbryonic DA neuronsEmbryonic dopamine neuronsRostral substantia nigraStriatal DA depletionVentral mesencephalic graftsBasal ganglia circuitryBasal ganglia structuresSuboptimal therapeutic outcomesAfrican green monkeysDA modulationGrafted neuronsVM graftsMesencephalic graftsParkinsonian monkeysSN neuronsDA depletionReplacement therapyDA replacementDA levels
1998
Upregulation of striatal D2 receptors in the MPTP-treated vervet monkey is reversed by grafts of fetal ventral mesencephalon: an autoradiographic study
Elsworth J, Brittan M, Taylor J, Sladek J, Redmond D, Innis R, Zea-Ponce Y, Roth R. Upregulation of striatal D2 receptors in the MPTP-treated vervet monkey is reversed by grafts of fetal ventral mesencephalon: an autoradiographic study. Brain Research 1998, 795: 55-62. PMID: 9622593, DOI: 10.1016/s0006-8993(98)00252-2.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineAnimalsAutoradiographyBenzofuransBrain Tissue TransplantationChlorocebus aethiopsCorpus StriatumDisease Models, AnimalDopamine AgentsFetal Tissue TransplantationImage Processing, Computer-AssistedIodine RadioisotopesMesencephalonParkinson Disease, SecondaryRadioligand AssayReceptors, Dopamine D2Up-RegulationConceptsFetal ventral mesencephalonD2 receptor bindingVentral mesencephalonDorsal striatumAutoradiographic studyDopamine uptake site densityPostsynaptic dopamine receptor activationVentral striatumDopamine concentrationsStriatal D2 receptor bindingReceptor bindingD2 receptor upregulationPostsynaptic dopamine transmissionTetrahydropyridine-treated monkeysStriatal D2 receptorsDopamine receptor activationPrevious autoradiographic studiesAfrican green monkeysDonor neuronsIntrastriatal graftingParkinsonian primatesNeural transplantationReceptor upregulationStriatal circuitryMotor functionPattern of synaptophysin immunoreactivity within mesencephalic grafts following transplantation in a parkinsonian primate model
Sortwell C, Blanchard B, Collier T, Elsworth J, Taylor J, Roth R, Redmond D, Sladek J. Pattern of synaptophysin immunoreactivity within mesencephalic grafts following transplantation in a parkinsonian primate model. Brain Research 1998, 791: 117-124. PMID: 9593853, DOI: 10.1016/s0006-8993(98)00086-9.Peer-Reviewed Original ResearchConceptsGraft-host interactionsMesencephalic graftsFunctional synapsesTyrosine hydroxylaseCerebellar tissuePericellular arraysEmbryonic cerebellar tissueEmbryonic ventral mesencephalonGrafted dopamine neuronsNerve terminal differentiationTH-positive neuronsStriatum of MPTPEnzyme tyrosine hydroxylaseSynthetic enzyme tyrosine hydroxylaseAfrican green monkeysNeurochemical subtypesStriatal portionDA neuronsSynaptophysin immunoreactivityVentral mesencephalonGraft typeDopamine neuronsPrimate modelStriatal targetsSynaptic remodeling
1996
Early gestational mesencephalon grafts, but not later gestational mesencephalon, cerebellum or sham grafts, increase dopamine in caudate nucleus of MPTP-treated monkeys
Elsworth J, Sladek J, Taylor J, Collier T, Redmond D, Roth R. Early gestational mesencephalon grafts, but not later gestational mesencephalon, cerebellum or sham grafts, increase dopamine in caudate nucleus of MPTP-treated monkeys. Neuroscience 1996, 72: 477-484. PMID: 8737417, DOI: 10.1016/0306-4522(95)00564-1.Peer-Reviewed Original ResearchConceptsFetal ventral mesencephalonVentral mesencephalonCaudate nucleusGraft siteDopamine neuronsDopamine concentrationsBehavioral recoveryTyrosine hydroxylase-positive neuronsHomovanillic acid/dopamine ratioFetal dopamine neuronsGrafted dopamine neuronsIntrastriatal transplantsParkinsonian primatesGrafted neuronsIntrastriatal transplantationGestational ageTransplant proceduresDopamine ratioDopamine productionSignificant elevationNucleus accumbensDopamine systemSham graftsGraftBrain regionsRestoration of dopamine transporter density in the striatum of fetal ventral mesencephalon-grafted, but not sham-grafted, MPTP-treated parkinsonian monkeys
Elsworth J, Brittan M, Taylor J, Sladek J, Al-Tikriti M, Zea-Ponce Y, Innis R, Redmond D, Roth R. Restoration of dopamine transporter density in the striatum of fetal ventral mesencephalon-grafted, but not sham-grafted, MPTP-treated parkinsonian monkeys. Cell Transplantation 1996, 5: 315-325. DOI: 10.1016/0963-6897(95)02034-9.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineAnimalsAutoradiographyBrain Tissue TransplantationCarrier ProteinsChlorocebus aethiopsCocaineDopamineDopamine Plasma Membrane Transport ProteinsFetal Tissue TransplantationHomovanillic AcidIodine RadioisotopesMaleMembrane GlycoproteinsMembrane Transport ProteinsMesencephalonNeostriatumNerve Tissue ProteinsParkinson Disease, SecondaryProtein BindingPutamenConceptsFetal dopamine neuronsDopamine transporter densityDopamine neuronsParkinsonian monkeysBehavioral recoveryTransporter densityCaudate nucleusNeural graftingDopamine systemImplantation procedureDopamine concentrationsFull behavioral recoveryPutamen of MPTPStriatal dopamine deficiencyStriatal dopamine concentrationsDopamine-depleted striatumStriatum of MPTPDopamine depletionVentral mesencephalonDopamine deficiencyMotor abnormalitiesDopaminergic innervationUseful treatmentStriatal nucleiAdult striatumRestoration of Dopamine Transporter Density in the Striatum of Fetal Ventral Mesencephalon-Grafted, but not Sham-Grafted, Mptp-Treated Parkinsonian Monkeys
Elsworth J, Brittan M, Taylor J, Sladek J, Al-Tikriti M, Zea-Ponce Y, Innis R, Redmond D, Roth R. Restoration of Dopamine Transporter Density in the Striatum of Fetal Ventral Mesencephalon-Grafted, but not Sham-Grafted, Mptp-Treated Parkinsonian Monkeys. Cell Transplantation 1996, 5: 315-325. PMID: 8689042, DOI: 10.1177/096368979600500220.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridineAnimalsAutoradiographyBrain Tissue TransplantationCarrier ProteinsChlorocebus aethiopsCocaineDopamineDopamine Plasma Membrane Transport ProteinsFetal Tissue TransplantationHomovanillic AcidIodine RadioisotopesMaleMembrane GlycoproteinsMembrane Transport ProteinsMesencephalonNeostriatumNerve Tissue ProteinsParkinson Disease, SecondaryProtein BindingPutamenConceptsFetal dopamine neuronsDopamine transporter densityDopamine neuronsParkinsonian monkeysBehavioral recoveryTransporter densityCaudate nucleusNeural graftingDopamine systemImplantation procedureDopamine concentrationsFull behavioral recoveryPutamen of MPTPStriatal dopamine deficiencyStriatal dopamine concentrationsDopamine-depleted striatumStriatum of MPTPDopamine depletionVentral mesencephalonDopamine deficiencyMotor abnormalitiesDopaminergic innervationUseful treatmentStriatal nucleiAdult striatum