2020
Implications of Oligomeric Amyloid-Beta (oAβ42) Signaling through α7β2-Nicotinic Acetylcholine Receptors (nAChRs) on Basal Forebrain Cholinergic Neuronal Intrinsic Excitability and Cognitive Decline
George AA, Vieira JM, Xavier-Jackson C, Gee MT, Cirrito JR, Bimonte-Nelson HA, Picciotto MR, Lukas RJ, Whiteaker P. Implications of Oligomeric Amyloid-Beta (oAβ42) Signaling through α7β2-Nicotinic Acetylcholine Receptors (nAChRs) on Basal Forebrain Cholinergic Neuronal Intrinsic Excitability and Cognitive Decline. Journal Of Neuroscience 2020, 41: 555-575. PMID: 33239400, PMCID: PMC7821864, DOI: 10.1523/jneurosci.0876-20.2020.Peer-Reviewed Original ResearchMeSH KeywordsAlpha7 Nicotinic Acetylcholine ReceptorAmyloid beta-PeptidesAmyloid beta-Protein PrecursorAnimalsBasal ForebrainCell LineCognitive DysfunctionElectrophysiological PhenomenaFemaleGenotypeHumansMaleMaze LearningMiceMice, TransgenicNeuronsParasympathetic Nervous SystemPeptide FragmentsSignal TransductionConceptsBasal forebrain cholinergic neuronsNeuronal intrinsic excitabilityAlzheimer's diseaseCholinergic neuronsDiagonal bandIntrinsic excitabilityAPP/PS1 transgenic miceCognitive declineCharacteristics of ADMedial septum-diagonal bandNicotinic acetylcholine receptor subtypesOligomeric amyloid betaAction potential firing rateForebrain cholinergic neuronsPS1 transgenic miceHorizontal diagonal bandLevels of amyloidSeptum-diagonal bandCurrent-clamp recordingsAcetylcholine receptor subtypesAction potential afterhyperpolarizationAge-matched littermatesOrganotypic slice culturesSpatial reference memoryHomomeric α7
1995
Promoter elements conferring neuron-specific expression of the β2-subunit of the neuronal nicotinic acetylcholine receptor studiedin vitro and in transgenic mice
Bessis A, Salmon A, Zoli M, Le Novère N, Picciotto M, Changeux J. Promoter elements conferring neuron-specific expression of the β2-subunit of the neuronal nicotinic acetylcholine receptor studiedin vitro and in transgenic mice. Neuroscience 1995, 69: 807-819. PMID: 8596650, DOI: 10.1016/0306-4522(95)00303-z.Peer-Reviewed Original ResearchConceptsSpatio-temporal expression patternsFunctional E-boxesCell-specific transcriptionNeuron-specific transcriptionSite-directed mutagenesisTransient transfection assaysNeuron-specific expressionNeuronal genesRE1 sequenceTranscribed regionDeletion analysisE-boxRegulatory elementsPromoter elementsUpstream sequencesTransgenic miceTransfection assaysReporter geneRepressor elementExpression patternsNeuronal nicotinic acetylcholine receptorsGenesNicotinic acetylcholine receptorsRegulatory propertiesTranscription