2023
Dopamine transporter and synaptic vesicle sorting defects underlie auxilin-associated Parkinson’s disease
Vidyadhara D, Somayaji M, Wade N, Yücel B, Zhao H, Shashaank N, Ribaudo J, Gupta J, Lam T, Sames D, Greene L, Sulzer D, Chandra S. Dopamine transporter and synaptic vesicle sorting defects underlie auxilin-associated Parkinson’s disease. Cell Reports 2023, 42: 112231. PMID: 36920906, PMCID: PMC10127800, DOI: 10.1016/j.celrep.2023.112231.Peer-Reviewed Original ResearchConceptsParkinson's diseaseMotor deficitsDopamine transporterPathogenesis of PDNigral dopaminergic lossProgressive motor deficitsΑ-synuclein pathologyEarly-onset Parkinson's diseaseDopamine sequestrationDopaminergic vulnerabilityDopaminergic lossKO micePresynaptic sitesKO brainNeurochemical analysisDorsal striatumKnockout miceCardinal featuresReuptake kineticsL-DOPADiseaseSynaptic autophagyFunction mutationsDeficitsMice
2020
Propranolol Relieves L-Dopa-Induced Dyskinesia in Parkinsonian Mice
Shi Z, Bamford IJ, McKinley JW, Devi SPS, Vahedipour A, Bamford NS. Propranolol Relieves L-Dopa-Induced Dyskinesia in Parkinsonian Mice. Brain Sciences 2020, 10: 903. PMID: 33255421, PMCID: PMC7760026, DOI: 10.3390/brainsci10120903.Peer-Reviewed Original ResearchL-DOPA-induced dyskinesiaL-DOPAStriatal acetylcholineDA deficiencyMovement disordersDA availabilityHypokinetic movement disordersStriatal cholinergic interneuronsHyperkinetic movement disordersDopa decarboxylase inhibitorElectrophysiological experimentsOpen field testingStriatal ChIsParkinsonian miceCholinergic interneuronsMotor dysfunctionTherapeutic optionsMotor hyperactivityParadoxical riseDA ratioMotor functionDecarboxylase inhibitorDopamine insufficiencyΒ-ARsΒ-AR
2018
Deep Brain Stimulation and L-DOPA Therapy: Concepts of Action and Clinical Applications in Parkinson's Disease
Muthuraman M, Koirala N, Ciolac D, Pintea B, Glaser M, Groppa S, Tamás G, Groppa S. Deep Brain Stimulation and L-DOPA Therapy: Concepts of Action and Clinical Applications in Parkinson's Disease. Frontiers In Neurology 2018, 9: 711. PMID: 30210436, PMCID: PMC6119713, DOI: 10.3389/fneur.2018.00711.Peer-Reviewed Original ResearchDeep brain stimulationL-dopa therapyParkinson's diseaseBrain stimulationEffects of DBSL-DOPAImpact of DBSNon-motor symptomsEffective treatment optionEvidence-based therapiesEffective pharmacological therapyCentral nervous systemBrain networksPerioperative algorithmSpecific brain networksDopaminergic medicationPharmacological therapyClinical effectsMotor symptomsPD patientsPharmacodynamic effectsPharmacological treatmentTherapy optionsTreatment optionsFirst complication
2001
Rat marrow stromal cells rapidly transduced with a self-inactivating retrovirus synthesize L-DOPA in vitro
Schwarz E, Reger R, Alexander G, Class R, Azizi S, Prockop D. Rat marrow stromal cells rapidly transduced with a self-inactivating retrovirus synthesize L-DOPA in vitro. Gene Therapy 2001, 8: 1214-1223. PMID: 11509954, DOI: 10.1038/sj.gt.3301517.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone Marrow CellsCell DivisionCells, CulturedClone CellsGene ExpressionGenetic TherapyGreen Fluorescent ProteinsGTP CyclohydrolaseHumansLevodopaLuminescent ProteinsMaleParkinson DiseasePromoter Regions, GeneticRatsRats, Inbred LewRetroviridaeTransduction, GeneticTyrosine 3-MonooxygenaseConceptsPhosphoglycerate kinase-1 promoterMarrow stromal cellsPhosphoglycerate kinase-1Stromal cellsL-DOPASelf-inactivating retrovirusesGTP cyclohydrolase IBone marrow stromal cellsRetroviral vectorsDonor cellsNeural transplantationRat marrow stromal cellsAutologous bone marrow stromal cellsExpressing GFPKinase-1Internal ribosome entry siteCytomegalovirusPSIRRat GTP cyclohydrolase IRatsType IGFP reporter geneHigh-expressing clonesReporter geneParkinson's disease
1999
Multipotential Marrow Stromal Cells Transduced to Produce L-DOPA: Engraftment in a Rat Model of Parkinson Disease
Schwarz E, Alexander G, Prockop D, Azizi S. Multipotential Marrow Stromal Cells Transduced to Produce L-DOPA: Engraftment in a Rat Model of Parkinson Disease. Human Gene Therapy 1999, 10: 2539-2549. PMID: 10543618, DOI: 10.1089/10430349950016870.Peer-Reviewed Original ResearchConceptsRat model of Parkinson's diseaseMarrow stromal cellsModel of Parkinson's diseaseRat marrow stromal cellsStromal cellsTyrosine hydroxylaseRat modelStriatum of 6-hydroxydopamine-lesioned ratsDenervated striatum of ratsL-DOPAHuman marrow stromal cellsApomorphine-induced rotationsAlternative source of cellsStriatum of ratsCells in vivoSource of cellsBone marrow stromal cellsDenervated striatumRetroviral transductionParkinson's diseaseNeural transplantationRatsConsistent with reportsIn vitroGTP cyclohydrolase I
1993
The effect of L-dopa infusions with and without phenylalanine challenges in parkinsonian patients: plasma and ventricular CSF L-dopa levels and clinical responses.
Woodward WR, Olanow CW, Beckner RM, Hauser RA, Gauger LL, Cedarbaum JM, Nutt JG. The effect of L-dopa infusions with and without phenylalanine challenges in parkinsonian patients: plasma and ventricular CSF L-dopa levels and clinical responses. Neurology 1993, 43: 1704-8. PMID: 8414016, DOI: 10.1212/wnl.43.9.1704.Peer-Reviewed Original ResearchConceptsL-DOPAMotor responseLarge neutral amino acidsVentricular CSF concentrationsAdvanced Parkinson's diseaseL-DOPA infusionL-DOPA levelsClinical responseParkinsonian patientsCSF concentrationsOral administrationNeutral amino acidsParkinson's diseaseInfusionPatientsPhenylalanine challengeReliable predictorCSFVDiseaseBrainDurationResponsePlasmaLevelsAdministrationAdministration of the new COMT inhibitor OR‐611 increases striatal uptake of fluorodopa
Guttman M, Léger G, Reches A, Evans A, Kuwabara H, Cedarbaum JM, Gjedde A. Administration of the new COMT inhibitor OR‐611 increases striatal uptake of fluorodopa. Movement Disorders 1993, 8: 298-304. PMID: 8341294, DOI: 10.1002/mds.870080308.Peer-Reviewed Original ResearchConceptsPositron emission tomographyNew COMT inhibitorL-DOPACOMT inhibitorsTreatment of patientsStriatal uptakeBrain uptakeBrain 6Cynomolgus monkeysParkinson's diseaseL-dopa analogEmission tomographyPromising agentSame animalsPET measurementsDiseaseMetabolismInhibitorsControl statePretreatmentPatientsFluorodopaAdjunctAdministrationUptake
1992
3‐O‐methyldopa administration does not alter fluorodopa transport into the brain
Guttman M, Léger G, Cedarbaum J, Reches A, Woodward W, Evans A, Diksic M, Gjedde A. 3‐O‐methyldopa administration does not alter fluorodopa transport into the brain. Annals Of Neurology 1992, 31: 638-643. PMID: 1514775, DOI: 10.1002/ana.410310611.Peer-Reviewed Original ResearchConceptsChronic L-DOPA therapyAdvanced Parkinson's diseaseL-dopa therapyPositron emission tomographic studiesL-DOPA administrationEmission tomographic studiesPositron emission tomographyL-dopa preparationsParkinsonian patientsPlasma concentrationsCynomolgus monkeysParkinson's diseasePatientsEmission tomographyL-DOPABrainTomographic studiesDiseaseAdministrationInfusionTherapyBlood
1988
Reversal of Experimental Parkinsonism in African Green Monkeys Following Fetal Dopamine Neuron Transplantation
Collier T, Redmond D, Roth R, Elsworth J, Sladek J. Reversal of Experimental Parkinsonism in African Green Monkeys Following Fetal Dopamine Neuron Transplantation. 1988, 211-218. DOI: 10.1007/978-1-4613-0759-4_27.Peer-Reviewed Original ResearchChronic L-DOPA administrationL-DOPA administrationAfrican green monkeysNeuron transplantationExperimental parkinsonismMotor symptomsNigrostriatal systemBrain dopamineMotor abnormalitiesPreferred treatmentParkinson's diseaseL-DOPAGreen monkeysDiseaseProgressive debilitationNeurotransmitter dopamineAdministrationDopamineParkinsonismTransplantationSymptomsAbnormalitiesBrainSupplementation
1986
Effect of Supplemental Carbidopa on Bioavailability of l-Dopa.
Cedarbaum J, Kutt H, Dhar A, Watkins S, McDowell F. Effect of Supplemental Carbidopa on Bioavailability of l-Dopa. Clinical Neuropharmacology 1986, 9: 153. PMID: 3085927, DOI: 10.1097/00002826-198604000-00006.Peer-Reviewed Original Research
1973
Comparison of Effects of L-Dopa, Amphetamine and Apomorphine on Firing Rate of Rat Dopaminergic Neurones
BUNNEY B, AGHAJANIAN G, ROTH R. Comparison of Effects of L-Dopa, Amphetamine and Apomorphine on Firing Rate of Rat Dopaminergic Neurones. Nature 1973, 245: 123-125. PMID: 4518113, DOI: 10.1038/newbio245123a0.Peer-Reviewed Original ResearchConceptsDopamine receptorsAdjacent ventral tegmental areaL-DOPASubstantia nigra zona compactaFiring rateVentral tegmental areaAvailability of dopamineAromatic amino acid decarboxylaseDopamine-containing cellsAmount of dopamineComparison of effectsZona compactaTegmental areaD-amphetamineDopaminergic neuronesAmino acid decarboxylaseReceptor stimulationAcid decarboxylaseDopamineReceptorsApomorphineDrugsStimulationFeedback inhibitionCompacta
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