2021
Control of exploration, motor coordination and amphetamine sensitization by cannabinoid CB1 receptors expressed in medium spiny neurons
Bonm AV, Elezgarai I, Gremel CM, Viray K, Bamford NS, Palmiter RD, Grandes P, Lovinger DM, Stella N. Control of exploration, motor coordination and amphetamine sensitization by cannabinoid CB1 receptors expressed in medium spiny neurons. European Journal Of Neuroscience 2021, 54: 4934-4952. PMID: 34216157, PMCID: PMC9377695, DOI: 10.1111/ejn.15381.Peer-Reviewed Original ResearchMeSH KeywordsAmphetamineAnimalsCannabinoidsCorpus StriatumMiceMice, KnockoutNeuronsReceptor, Cannabinoid, CB1ConceptsMedium spiny neuronsR KO miceAmphetamine sensitizationKO miceMotor coordinationSpiny neuronsImpaired motor coordinationInvolvement of CBCannabinoid 1 receptorCannabinoid CB1 receptorsCB1 receptorsNeuronal subpopulationsCannabimimetic responsesInhibitory neuronsSpontaneous locomotionR activationR expressionMiceMouse linesKnockout backgroundNeuronsSpecific CBNew functional roleSensitizationDifferent behavioral responses
2013
Acetylcholine Encodes Long-Lasting Presynaptic Plasticity at Glutamatergic Synapses in the Dorsal Striatum after Repeated Amphetamine Exposure
Wang W, Darvas M, Storey GP, Bamford IJ, Gibbs JT, Palmiter RD, Bamford NS. Acetylcholine Encodes Long-Lasting Presynaptic Plasticity at Glutamatergic Synapses in the Dorsal Striatum after Repeated Amphetamine Exposure. Journal Of Neuroscience 2013, 33: 10405-10426. PMID: 23785153, PMCID: PMC3685836, DOI: 10.1523/jneurosci.0014-13.2013.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAdrenergic Uptake InhibitorsAmphetamineAnimalsCholine O-AcetyltransferaseDependovirusElectrophysiological PhenomenaExcitatory Postsynaptic PotentialsGenetic VectorsGlutamic AcidInterneuronsLocomotionMaleMaze LearningMiceMice, Inbred C57BLMice, KnockoutMotor ActivityNeostriatumNeuronal PlasticityPostural BalanceReceptors, Dopamine D1Receptors, Dopamine D2Receptors, PresynapticSynapsesConceptsGlutamate releaseCorticostriatal activityDirect pathway medium spiny neuronsMedium spiny neuronsCorticostriatal terminalsAcetylcholine releaseAmphetamine treatmentAmphetamine challengePresynaptic depressionAmphetamine exposurePresynaptic potentiationChronic decreaseSpiny neuronsDrug challengeLocomotor sensitizationGlutamatergic synapsesBrain slicesCorticostriatal signalingParkinson's diseaseDorsal striatumLocomotor responseDopamine regulationDrug dependenceStriatal activityActive interneurons
2011
Attenuating GABAA Receptor Signaling in Dopamine Neurons Selectively Enhances Reward Learning and Alters Risk Preference in Mice
Parker JG, Wanat MJ, Soden ME, Ahmad K, Zweifel LS, Bamford NS, Palmiter RD. Attenuating GABAA Receptor Signaling in Dopamine Neurons Selectively Enhances Reward Learning and Alters Risk Preference in Mice. Journal Of Neuroscience 2011, 31: 17103-17112. PMID: 22114279, PMCID: PMC3235504, DOI: 10.1523/jneurosci.1715-11.2011.Peer-Reviewed Original ResearchConceptsDA neuronsDA neuron activityGABAA Receptor SignalingPhasic dopamine transmissionPhasic DA responsesAversive learningAppetitive learningGABAergic toneExcitatory afferentsMidbrain slicesDA releaseDopamine neuronsExcitatory driveDopamine transmissionNucleus accumbensDA responseElectrical stimulationNeuron activityDA signalingPsychiatric conditionsCompensatory upregulationMiceNeuronsReceptor signalingAppetitive taskBalanced NMDA receptor activity in dopamine D1 receptor (D1R)- and D2R-expressing medium spiny neurons is required for amphetamine sensitization
Beutler LR, Wanat MJ, Quintana A, Sanz E, Bamford NS, Zweifel LS, Palmiter RD. Balanced NMDA receptor activity in dopamine D1 receptor (D1R)- and D2R-expressing medium spiny neurons is required for amphetamine sensitization. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 4206-4211. PMID: 21368124, PMCID: PMC3054029, DOI: 10.1073/pnas.1101424108.Peer-Reviewed Original ResearchConceptsDopamine D1 receptorsAMPH sensitizationNucleus accumbensBehavioral sensitizationDopamine neuronsD1 receptorsD1R neuronsVirus-mediated restorationMedium spiny neuronsNMDA receptor activityType glutamate receptorsEssential NR1 subunitNMDAR signalingSpiny neuronsAmphetamine sensitizationNeuron targetsD1R-MSNsGlutamate receptorsNMDARNR1 subunitReceptor activityBrain regionsNeuronsSensitizationAmphetamine
2004
Dopamine Modulates Release from Corticostriatal Terminals
Bamford NS, Robinson S, Palmiter RD, Joyce JA, Moore C, Meshul CK. Dopamine Modulates Release from Corticostriatal Terminals. Journal Of Neuroscience 2004, 24: 9541-9552. PMID: 15509741, PMCID: PMC6730145, DOI: 10.1523/jneurosci.2891-04.2004.Peer-Reviewed Original ResearchConceptsCorticostriatal terminalsMedium spiny neuronsD2 receptorsDD miceSpiny neuronsD2-like receptor agonist quinpiroleExtracellular striatal glutamateFM1-43 destainingNormal striatal functionReserpine-treated miceCortical glutamatergic neuronsReceptor agonist quinpiroleActivity-dependent releaseMidbrain dopamine neuronsFM1-43Styryl dye FM1-43Aberrant cytoarchitectureGlutamate densityStriatal stimulationStriatal glutamateDopamine depletionAgonist quinpiroleControl miceDopamine deficiencyGlutamatergic neuronsHeterosynaptic Dopamine Neurotransmission Selects Sets of Corticostriatal Terminals
Bamford NS, Zhang H, Schmitz Y, Wu NP, Cepeda C, Levine MS, Schmauss C, Zakharenko SS, Zablow L, Sulzer D. Heterosynaptic Dopamine Neurotransmission Selects Sets of Corticostriatal Terminals. Neuron 2004, 42: 653-663. PMID: 15157425, DOI: 10.1016/s0896-6273(04)00265-x.Peer-Reviewed Original ResearchMeSH KeywordsAfferent PathwaysAmphetamineAnimalsCalcium SignalingCerebral CortexDopamineElectric StimulationExcitatory Postsynaptic PotentialsExocytosisFeedbackGlutamic AcidMiceMice, Inbred C57BLMice, KnockoutNeostriatumNeural InhibitionPresynaptic TerminalsPyridinium CompoundsQuaternary Ammonium CompoundsReceptors, Dopamine D2Substantia NigraSynaptic TransmissionSynaptic VesiclesConceptsMedium spiny neuronsCorticostriatal terminalsDirect presynaptic effectIndividual presynaptic terminalsStriatal dopamine releaseEffects of dopamineHigh-frequency stimulationVoluntary motor movementDrugs of abuseCorticostriatal afferentsMSN excitabilityPresynaptic effectsCorticostriatal inputsCorticostriatal synapsesActivity of subsetsInhibitory modulationSpiny neuronsD2 receptorsDopamine releaseFrequency stimulationDopamine inputPresynaptic terminalsElectrical stimulationHeterosynaptic inhibitionSynaptic connections