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
2003
Neuroprotection by Nicotine in Mouse Primary Cortical Cultures Involves Activation of Calcineurin and L-Type Calcium Channel Inactivation
Stevens TR, Krueger SR, Fitzsimonds RM, Picciotto MR. Neuroprotection by Nicotine in Mouse Primary Cortical Cultures Involves Activation of Calcineurin and L-Type Calcium Channel Inactivation. Journal Of Neuroscience 2003, 23: 10093-10099. PMID: 14602824, PMCID: PMC6740855, DOI: 10.1523/jneurosci.23-31-10093.2003.Peer-Reviewed Original ResearchMeSH KeywordsAlpha7 Nicotinic Acetylcholine ReceptorAnimalsBungarotoxinsCalcineurinCalcineurin InhibitorsCalcium Channel BlockersCalcium Channels, L-TypeCells, CulturedCerebral CortexGlutamic AcidMiceMice, KnockoutNeuronsNeuroprotective AgentsNeurotoxinsNicotineNifedipineReceptors, NicotinicTacrolimusConceptsPrimary cortical culturesL-type channelsNicotine-mediated neuroprotectionCortical culturesNicotine pretreatmentIntracellular calciumCalcium influxActivation of calcineurinBeta2 subunitAlpha7-containing nAChRsL-type calcium channelsEffects of nicotineAbility of nicotineMouse primary cortical culturesNicotinic acetylcholine receptorsCalcium channel inactivationGlutamate excitotoxicityNeuroprotective effectsRole of calciumCalcineurin antagonistsCortical neuronsNeuronal excitabilityGlutamate applicationNeuroprotectionCalcium channels
2000
Nicotinic-agonist stimulated 86Rb+ efflux and [3H]epibatidine binding of mice differing in β2 genotype
Marks M, Stitzel J, Grady S, Picciotto M, Changeux J, Collins A. Nicotinic-agonist stimulated 86Rb+ efflux and [3H]epibatidine binding of mice differing in β2 genotype. Neuropharmacology 2000, 39: 2632-2645. PMID: 11044733, DOI: 10.1016/s0028-3908(00)00115-5.Peer-Reviewed Original ResearchConceptsBrain regionsNicotinic acetylcholine receptor functionBeta2 subunitBeta2-containing receptorsAcetylcholine receptor functionHigh-affinity siteBeta2 subunit expressionBinding of mouseCerebral cortexNicotinic responsesMicroM nicotineOlfactory bulbInferior colliculusNicotinic agonistsSubunit expressionReceptor functionLow affinityLow affinity sitesDHbetaEInhibitionMiceStimulationEffluxCytisineNull mutation
1999
Two pharmacologically distinct components of nicotinic receptor-mediated rubidium efflux in mouse brain require the beta2 subunit.
Marks MJ, Whiteaker P, Calcaterra J, Stitzel JA, Bullock AE, Grady SR, Picciotto MR, Changeux JP, Collins AC. Two pharmacologically distinct components of nicotinic receptor-mediated rubidium efflux in mouse brain require the beta2 subunit. Journal Of Pharmacology And Experimental Therapeutics 1999, 289: 1090-103. PMID: 10215692.Peer-Reviewed Original ResearchConceptsBeta2 subunitBeta2 null mutant miceConcentration-effect curvesMouse brain synaptosomesAlpha4beta2 receptorsBrain synaptosomesNicotinic agonistsMouse brainRubidium effluxMutant miceLine radioactivity detectionDHbetaEAgonistsEffluxBrainStimulationRadioactivity detectionPotencyHexamethoniumErythroidineResponseAcetylcholineMethyllycaconitineAntagonistBungarotoxin
1998
Identification of Four Classes of Brain Nicotinic Receptors Using β2 Mutant Mice
Zoli M, Léna C, Picciotto M, Changeux J. Identification of Four Classes of Brain Nicotinic Receptors Using β2 Mutant Mice. Journal Of Neuroscience 1998, 18: 4461-4472. PMID: 9614223, PMCID: PMC6792706, DOI: 10.1523/jneurosci.18-12-04461.1998.Peer-Reviewed Original ResearchConceptsBeta2-/- miceElectrophysiological experimentsBrain regionsNeuronal nicotinic acetylcholine receptor subunitBrain nicotinic receptorsNicotinic acetylcholine receptor subunitsMost brain regionsPatch-clamp recordingsReceptor autoradiography studiesOrder of potencyDifferent brain areasAcetylcholine receptor subunitsThin brain slicesDifferent brain regionsIndividual alpha subunitsAutoradiography studiesBrain slicesNicotinic receptorsNicotinic agonistsHigh affinitySubunit compositionBrain areasAlpha subunitAlpha7 subunitType 2