2014
Rare Human Nicotinic Acetylcholine Receptor α4 Subunit (CHRNA4) Variants Affect Expression and Function of High-Affinity Nicotinic Acetylcholine Receptors
McClure-Begley TD, Papke RL, Stone KL, Stokes C, Levy AD, Gelernter J, Xie P, Lindstrom J, Picciotto MR. Rare Human Nicotinic Acetylcholine Receptor α4 Subunit (CHRNA4) Variants Affect Expression and Function of High-Affinity Nicotinic Acetylcholine Receptors. Journal Of Pharmacology And Experimental Therapeutics 2014, 348: 410-420. PMID: 24385388, PMCID: PMC3935145, DOI: 10.1124/jpet.113.209767.Peer-Reviewed Original ResearchConceptsNicotinic acetylcholine receptorsRare variantsSingle amino acid substitutionLaevis oocytesAmino acid substitutionsΑ4β2 nAChRsAcetylcholine receptorsIntracellular interactomesHEK-293 cellsX. laevis oocytesProteomic analysisGenetic variationHuman α4β2 nAChRsXenopus laevis oocytesVoltage-clamp electrophysiologyNeuronal nicotinic acetylcholine receptorsHigh-affinity nicotinic acetylcholine receptorsSubcellular distributionAcid substitutionsΑ4 nAChR subunitCohort of smokersEffects of nicotineNAChR subunitsCommon variantsΑ4 nAChR
2013
Differential Modulation of Brain Nicotinic Acetylcholine Receptor Function by Cytisine, Varenicline, and Two Novel Bispidine Compounds: Emergent Properties of a Hybrid Molecule
Peng C, Stokes C, Mineur YS, Picciotto MR, Tian C, Eibl C, Tomassoli I, Guendisch D, Papke RL. Differential Modulation of Brain Nicotinic Acetylcholine Receptor Function by Cytisine, Varenicline, and Two Novel Bispidine Compounds: Emergent Properties of a Hybrid Molecule. Journal Of Pharmacology And Experimental Therapeutics 2013, 347: 424-437. PMID: 23959137, PMCID: PMC3807070, DOI: 10.1124/jpet.113.206904.Peer-Reviewed Original ResearchMeSH KeywordsAlkaloidsAnimalsAzocinesBehavior, AnimalBenzazepinesBrainBridged Bicyclo Compounds, HeterocyclicDose-Response Relationship, DrugDrug Partial AgonismHEK293 CellsHumansMaleMembrane PotentialsMiceMolecular StructureNicotinic AgonistsOocytesPatch-Clamp TechniquesQuinolizinesQuinoxalinesRatsRats, Sprague-DawleyReceptors, NicotinicTobacco Use DisorderVareniclineXenopus laevisConceptsPartial agonistLGN neuronsMouse tail suspension testLateral geniculate nucleus neuronsNicotinic acetylcholine receptor functionPartial agonist therapiesTail suspension testStratum radiatum interneuronsSmoking cessation drugNicotinic partial agonistAcetylcholine receptor functionHuman embryonic kidney 293 cellsSteady-state activationAgonist therapyRadiatum interneuronsEmbryonic kidney 293 cellsCessation drugsNucleus neuronsSuspension testΑ7 currentsNicotine addictionSide effectsVareniclineΑ4β2 nAChRsSR interneuronsExploring the Nicotinic Acetylcholine Receptor-Associated Proteome with iTRAQ and Transgenic Mice
McClure-Begley TD, Stone KL, Marks MJ, Grady SR, Colangelo CM, Lindstrom JM, Picciotto MR. Exploring the Nicotinic Acetylcholine Receptor-Associated Proteome with iTRAQ and Transgenic Mice. Genomics Proteomics & Bioinformatics 2013, 11: 207-218. PMID: 23891776, PMCID: PMC3806329, DOI: 10.1016/j.gpb.2013.05.005.Peer-Reviewed Original ResearchConceptsNicotinic acetylcholine receptorsPutative interacting proteinsΒ2 subunitMammalian central nervous systemAcetylcholine receptorsInteracting proteinProteomic analysisQuantitative proteomicsCytoskeletal rearrangementsIsobaric tagsNeuronal nicotinic acetylcholine receptorsCalcium signalingAbsolute quantitationΑ4β2 nAChRsProteinReduced expressionΒ2 subunit expressionPotential targetCentral nervous systemSubunitsExpressionPrincipal receptorTransgenic miceSubunit expressionΑ4
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&agr;4&bgr;2 nicotinic acetylcholine receptor partial agonists with low intrinsic efficacy have antidepressant-like properties
Mineur YS, Einstein EB, Seymour PA, Coe JW, O'Neill BT, Rollema H, Picciotto MR. &agr;4&bgr;2 nicotinic acetylcholine receptor partial agonists with low intrinsic efficacy have antidepressant-like properties. Behavioural Pharmacology 2011, 22: 291-299. PMID: 21566524, PMCID: PMC3227135, DOI: 10.1097/fbp.0b013e328347546d.Peer-Reviewed Original ResearchConceptsNovelty-suppressed feeding testPartial agonistNicotinic acetylcholine receptor partial agonistAcceptable side effect profileAntidepressant-like effectsAntidepressant-like propertiesSide effect profileTail suspension testForced-swim testReceptor partial agonistLow intrinsic efficacyNicotinic acetylcholine receptorsAntidepressant efficacyFeeding testsReduced immobilityAntidepressant propertiesMood disordersNicotinic compoundsΑ4β2 nAChRsAcetylcholine receptorsLocomotor activityIntrinsic efficacyFunctional efficacySubtype selectivityTime points
2003
Nicotine Induces Glutamate Release from Thalamocortical Terminals in Prefrontal Cortex
Lambe EK, Picciotto MR, Aghajanian GK. Nicotine Induces Glutamate Release from Thalamocortical Terminals in Prefrontal Cortex. Neuropsychopharmacology 2003, 28: 216-225. PMID: 12589374, DOI: 10.1038/sj.npp.1300032.Peer-Reviewed Original ResearchConceptsPrefrontal cortexSpontaneous excitatory postsynaptic currentsPrefrontal cortical activationEmotional cuesHigh-affinity nicotinic receptorsCognitive functionCortical activationThalamocortical terminalsGlutamate releaseBrain regionsLayer V pyramidal neuronsCognitionPrefrontal cortical slicesExcitatory postsynaptic currentsRelease of glutamateCortexStimulation of nAChRsNicotinic acetylcholine receptorsΑ4β2 nAChRsDifferent neurotransmittersCerebral cortexPyramidal neuronsCortical slicesPostsynaptic currentsΜ-opioid