2013
Changes in the Cholinergic System between Bipolar Depression and Euthymia as Measured with [123I]5IA Single Photon Emission Computed Tomography
Hannestad JO, Cosgrove KP, DellaGioia NF, Perkins E, Bois F, Bhagwagar Z, Seibyl JP, McClure-Begley TD, Picciotto MR, Esterlis I. Changes in the Cholinergic System between Bipolar Depression and Euthymia as Measured with [123I]5IA Single Photon Emission Computed Tomography. Biological Psychiatry 2013, 74: 768-776. PMID: 23773793, PMCID: PMC3805761, DOI: 10.1016/j.biopsych.2013.04.004.Peer-Reviewed Original ResearchConceptsBipolar depressionControl subjectsCholinergic systemSingle photon emissionBipolar disorderAge-matched control subjectsEndogenous acetylcholine levelsNew treatment targetsNicotinic acetylcholine receptorsPhoton emissionLow receptor numbersClinical characteristicsEndogenous acetylcholineDepressive episodeAcetylcholine levelsTomography scanMajor depressionReceptor numberTemporal cortexNAChR numbersTreatment targetsAcetylcholine receptorsControl groupBrain regionsLower β2
2011
Decreased α4β2 nicotinic receptor number in the absence of mRNA changes suggests post‐transcriptional regulation in the spontaneously hypertensive rat model of ADHD
Wigestrand MB, Mineur YS, Heath CJ, Fonnum F, Picciotto MR, Walaas SI. Decreased α4β2 nicotinic receptor number in the absence of mRNA changes suggests post‐transcriptional regulation in the spontaneously hypertensive rat model of ADHD. Journal Of Neurochemistry 2011, 119: 240-250. PMID: 21824140, PMCID: PMC3171636, DOI: 10.1111/j.1471-4159.2011.07415.x.Peer-Reviewed Original ResearchMeSH KeywordsAconitineAnimalsAttention Deficit Disorder with HyperactivityAzetidinesBrain ChemistryBridged Bicyclo Compounds, HeterocyclicBungarotoxinsIn Vitro TechniquesKineticsMaleMembranesNicotinic AgonistsNicotinic AntagonistsProtein Processing, Post-TranslationalPyridinesRatsRats, Inbred SHRRats, Inbred WKYReceptors, NicotinicReverse Transcriptase Polymerase Chain ReactionRNA, MessengerThermodynamicsConceptsAttention-deficit/hyperactivity disorderQuantitative real-time PCRBrain regionsCerebellum of SHRWistar-Kyoto rat controlsHypertensive rat modelMRNA levelsNicotinic receptor numbersCentral nicotinic receptorsSpecific brain regionsAdditional brain regionsSHR brainHypertensive ratsRat modelReal-time PCRNicotinic receptorsReceptor numberEpidemiological studiesLevels of mRNAΑ4β2 nAChRsSHRWKYNAChRsHyperactivity disorderStrain differences
2007
Galanin Protects Against Behavioral and Neurochemical Correlates of Opiate Reward
Hawes JJ, Brunzell DH, Narasimhaiah R, Langel Ű, Wynick D, Picciotto MR. Galanin Protects Against Behavioral and Neurochemical Correlates of Opiate Reward. Neuropsychopharmacology 2007, 33: 1864-1873. PMID: 17957220, PMCID: PMC2504505, DOI: 10.1038/sj.npp.1301579.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBehavior, AnimalBlotting, WesternBrain ChemistryConditioning, OperantCyclic AMP Response Element-Binding ProteinDose-Response Relationship, DrugExtracellular Signal-Regulated MAP KinasesGalaninGenotypeMiceMice, KnockoutMorphineMorphine DependenceMotor ActivityNarcoticsRewardSignal TransductionConceptsGKO miceMorphine place preferenceOpiate rewardGalanin agonistsMorphine administrationPlace preferenceGalanin knockout miceSingle systemic injectionEndogenous negative regulatorDrugs of abuseAcute administrationNeurochemical effectsNeuropeptide galaninPeripheral injectionWithdrawal signsLocomotor activationSystemic injectionNeurochemical correlatesNucleus accumbensGalaninKnockout miceTherapeutic targetBrain areasDrug reinforcementGalnon
2002
Effect of nicotine and nicotinic receptors on anxiety and depression
Picciotto MR, Brunzell DH, Caldarone BJ. Effect of nicotine and nicotinic receptors on anxiety and depression. Neuroreport 2002, 13: 1097-1106. PMID: 12151749, DOI: 10.1097/00001756-200207020-00006.Peer-Reviewed Original ResearchConceptsNicotine treatmentActivation of nAChRsDorsal raphe nucleusEffects of nicotineMesolimbic dopamine systemNicotinic acetylcholine receptorsNicotine administrationMonoaminergic transmissionChronic useRaphe nucleusAnxiolytic actionLateral septumNicotinic receptorsClassical neurotransmittersNormal brainAnimal studiesDopamine systemBrain areasAcetylcholine receptorsNicotineEnsemble of studiesNAChRsAnxiety modelsAdministration studiesDepression
2000
Brain Localization and Behavioral Impact of the G-Protein-Gated K+ Channel Subunit GIRK4
Wickman K, Karschin C, Karschin A, Picciotto M, Clapham D. Brain Localization and Behavioral Impact of the G-Protein-Gated K+ Channel Subunit GIRK4. Journal Of Neuroscience 2000, 20: 5608-5615. PMID: 10908597, PMCID: PMC6772558, DOI: 10.1523/jneurosci.20-15-05608.2000.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAvoidance LearningBehavior, AnimalBrain ChemistryChick EmbryoFemaleG Protein-Coupled Inwardly-Rectifying Potassium ChannelsGene ExpressionIn Situ HybridizationIon Channel GatingLocomotionMaleMaze LearningMemoryMiceMice, Inbred C57BLMice, KnockoutPotassium ChannelsPotassium Channels, Inwardly RectifyingRNA, MessengerConceptsGIRK4 mRNAG-protein-gated potassium (GIRK) channelsCortical pyramidal neuronsVentromedial hypothalamic nucleusParaventricular thalamic nucleusMorris water mazeG-Protein-GatedPassive avoidance paradigmMammalian nervous systemWild-type controlsEndopiriform nucleusPyramidal neuronsGlobus pallidusSynaptic inhibitionBrainstem nucleiHypothalamic nucleiPain perceptionThalamic nucleiInsular cortexNervous systemNeuronal populationsWater mazeLocomotor activityMouse brainGIRK subunits