2006
The Prototoxin lynx1 Acts on Nicotinic Acetylcholine Receptors to Balance Neuronal Activity and Survival In Vivo
Miwa JM, Stevens TR, King SL, Caldarone BJ, Ibanez-Tallon I, Xiao C, Fitzsimonds RM, Pavlides C, Lester HA, Picciotto MR, Heintz N. The Prototoxin lynx1 Acts on Nicotinic Acetylcholine Receptors to Balance Neuronal Activity and Survival In Vivo. Neuron 2006, 51: 587-600. PMID: 16950157, DOI: 10.1016/j.neuron.2006.07.025.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAge FactorsAnimalsAssociation LearningBrainCell SurvivalExcitatory Amino Acid AgonistsMembrane GlycoproteinsMembrane PotentialsMiceMice, Mutant StrainsMutationNerve DegenerationNeuronsNeuropeptidesNicotineNicotinic AgonistsPatch-Clamp TechniquesReceptors, NicotinicConceptsNicotinic acetylcholine receptorsNull mutant miceMutant miceAcetylcholine receptorsNeuronal activityNull mutationBiological processesLynx1Calcium levelsAgonist sensitivityReceptor desensitizationSynaptic efficacyMutationsAllosteric modulatorsDesensitization kineticsWide arrayNicotineVivoSpecific testsNAChRsMiceReceptorsSurvivalHyperactivationFunction
2004
Role of neuronal nicotinic receptors in the effects of nicotine and ethanol on contextual fear conditioning
Wehner JM, Keller JJ, Keller AB, Picciotto MR, Paylor R, Booker TK, Beaudet A, Heinemann SF, Balogh SA. Role of neuronal nicotinic receptors in the effects of nicotine and ethanol on contextual fear conditioning. Neuroscience 2004, 129: 11-24. PMID: 15489024, DOI: 10.1016/j.neuroscience.2004.07.016.Peer-Reviewed Original ResearchConceptsContextual learningForms of learningEffects of nicotineFear conditioningCued fear conditioningContextual fear conditioningCognitive enhancing effectsBeta2 null mutant miceNicotine effectsBeta4-containing receptorsShock stimuliEffects of ethanolBeta2-containing nAChRsLearningNull mutant miceTrainingConditioningBrain nicotinic acetylcholine receptorsMutant miceNicotineNeuronal nicotinic receptorsHomozygous null mutant miceWild-type littermatesMemoryNicotinic acetylcholine receptors
2003
α4β2* Nicotinic Acetylcholine Receptors Modulate the Effects of Ethanol and Nicotine on the Acoustic Startle Response
Owens JC, Balogh SA, McClure‐Begley T, Butt CM, Labarca C, Lester HA, Picciotto MR, Wehner JM, Collins AC. α4β2* Nicotinic Acetylcholine Receptors Modulate the Effects of Ethanol and Nicotine on the Acoustic Startle Response. Alcohol Clinical And Experimental Research 2003, 27: 1867-1875. PMID: 14691373, DOI: 10.1097/01.alc.0000102700.72447.0f.Peer-Reviewed Original ResearchConceptsAcoustic startle responseEffects of ethanolLSxSS RIStartle responseAcoustic startleAlpha4beta2 nAChRsEthanol effectsBeta2 null mutant miceNeuronal nicotinic cholinergic receptorsEthanol-induced depressionNicotinic cholinergic receptorsPotential roleNicotinic acetylcholine receptorsNull mutant miceAlpha4 nAChRsCholinergic receptorsTobacco abuseNicotine effectsT polymorphismAcetylcholine receptorsLSXSS recombinantMutant miceBehavioral effectsNicotineStartle
2002
Characterization of [125I]epibatidine binding and nicotinic agonist‐mediated 86Rb+ efflux in interpeduncular nucleus and inferior colliculus of β2 null mutant mice
Marks MJ, Whiteaker P, Grady SR, Picciotto MR, McIntosh JM, Collins AC. Characterization of [125I]epibatidine binding and nicotinic agonist‐mediated 86Rb+ efflux in interpeduncular nucleus and inferior colliculus of β2 null mutant mice. Journal Of Neurochemistry 2002, 81: 1102-1115. PMID: 12065623, DOI: 10.1046/j.1471-4159.2002.00910.x.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAlkaloidsAnimalsAzocinesBinding, CompetitiveBridged Bicyclo Compounds, HeterocyclicDose-Response Relationship, DrugInferior ColliculiIodine RadioisotopesMesencephalonMiceMice, Mutant StrainsNicotinic AgonistsNicotinic AntagonistsPyridinesQuinolizinesReceptors, NicotinicRubidium RadioisotopesTritiumConceptsInterpeduncular nucleusInferior colliculusBrain regionsAccessory olfactory nucleusNull mutant miceOlfactory nucleusNicotinic antagonistsD-tubocurarineMedial habenulaSelective antagonistNicotinic agonistsSuperior colliculusMouse brainAgonistsColliculusMutant micePotent agonistSimilar potencyAntagonistNicotinic activityEfflux
1998
Pharmacological characterization of nicotinic receptor-stimulated GABA release from mouse brain synaptosomes.
Lu Y, Grady S, Marks M, Picciotto M, Changeux J, Collins A. Pharmacological characterization of nicotinic receptor-stimulated GABA release from mouse brain synaptosomes. Journal Of Pharmacology And Experimental Therapeutics 1998, 287: 648-57. PMID: 9808692.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidGABA releaseMouse brain synaptosomesBrain synaptosomesNicotinic agonistsNicotine bindingBeta2 null mutant miceNull mutant miceRecent electrophysiological studiesRodent brain tissueConcentration-dependent mannerAgonist inhibitionAlpha-BungarotoxinNeurochemical approachesPharmacological characterizationNM tetrodotoxinElectrophysiological studiesSame agonistBrain regionsBrain tissueMutant miceAgonistsEmax valuesBeta2 subunitMaximal release