2019
Dopamine Deficiency Reduces Striatal Cholinergic Interneuron Function in Models of Parkinson’s Disease
McKinley JW, Shi Z, Kawikova I, Hur M, Bamford IJ, Sudarsana Devi SP, Vahedipour A, Darvas M, Bamford NS. Dopamine Deficiency Reduces Striatal Cholinergic Interneuron Function in Models of Parkinson’s Disease. Neuron 2019, 103: 1056-1072.e6. PMID: 31324539, PMCID: PMC7102938, DOI: 10.1016/j.neuron.2019.06.013.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAmphetamineAnimalsCholinergic NeuronsCyclic AMP-Dependent Protein KinasesDisease Models, AnimalDopamineDopamine AgentsDopamine Plasma Membrane Transport ProteinsHyperpolarization-Activated Cyclic Nucleotide-Gated ChannelsInterneuronsMiceNeostriatumParkinson DiseasePatch-Clamp TechniquesReceptors, Dopamine D1Receptors, Dopamine D2Transcription, GeneticConceptsParkinson's diseaseDA deficiencyACh availabilityD1-type DA receptorsHyperpolarization-activated cation channelsRelease of acetylcholineStriatal acetylcholineDA receptorsStriatal interneuronsMotor deficitsDopamine deficiencyDA releasePharmacological treatmentResidual axonsStriatal synapsesMotor functionInterneuron functionAcetylcholineCognitive functionHCN channelsDiseaseCation channelsDopamineSpike timingDeficiency
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 task