2023
How can I measure brain acetylcholine levels in vivo? Advantages and caveats of commonly used approaches
Mineur Y, Picciotto M. How can I measure brain acetylcholine levels in vivo? Advantages and caveats of commonly used approaches. Journal Of Neurochemistry 2023, 167: 3-15. PMID: 37621094, PMCID: PMC10616967, DOI: 10.1111/jnc.15943.Peer-Reviewed Original Research
2022
Muscarinic antagonists impair multiple aspects of operant discrimination learning and performance
Yousuf H, Girardi E, Crouse R, Picciotto M. Muscarinic antagonists impair multiple aspects of operant discrimination learning and performance. Neuroscience Letters 2022, 794: 137025. PMID: 36529388, PMCID: PMC9812939, DOI: 10.1016/j.neulet.2022.137025.Peer-Reviewed Original ResearchConceptsOperant discriminationOperant discrimination learningCue-reward associationsLong-term memoryMultiple training sessionsPost-session injectionsCue associationsReward-related respondingMemory processesDiscrimination learningMaladaptive formsImpaired consolidationFood rewardSuccessful learningNose pokesDifferent learningPre-session injectionsTraining sessionsRewardTaskMemoryLearningMultiple aspectsEnvironmental cuesMuscarinic acetylcholine receptor family
2020
Hippocampal knockdown of α2 nicotinic or M1 muscarinic acetylcholine receptors in C57BL/6J male mice impairs cued fear conditioning
Mineur YS, Ernstsen C, Islam A, Maibom KL, Picciotto MR. Hippocampal knockdown of α2 nicotinic or M1 muscarinic acetylcholine receptors in C57BL/6J male mice impairs cued fear conditioning. Genes Brain & Behavior 2020, 19: e12677. PMID: 32447811, PMCID: PMC8018799, DOI: 10.1111/gbb.12677.Peer-Reviewed Original ResearchConceptsFear learningShort-term learningNumber of paradigmsCued fearLight/dark boxFear conditioningContextual memoryStress-related behaviorsStress-induced reactivityTerm learningBrain circuitsRobust effectM1 mAChRHippocampal acetylcholineM1 muscarinic ACh receptorsNovelty-suppressed feeding testLearningMemoryDark boxHippocampus of malesM1 muscarinic acetylcholine receptorHippocampal knockdownFearMuscarinic ACh receptorsGroups of mice
2019
The role of acetylcholine in negative encoding bias: Too much of a good thing?
Mineur YS, Picciotto MR. The role of acetylcholine in negative encoding bias: Too much of a good thing? European Journal Of Neuroscience 2019, 53: 114-125. PMID: 31821620, PMCID: PMC7282966, DOI: 10.1111/ejn.14641.Peer-Reviewed Original ResearchConceptsPotential neural pathwaysSymptoms of anxietyAffective processesSustained attentionStressful eventsCore symptomsFacilitate learningAppropriate learningNeural pathwaysRole of acetylcholineGood thingLevels of AChLearningDepressionBiasDepressive episodeNeuromodulatory roleCholinergic signalingAnimal studiesAnxietyMemoryAcetylcholine SignalingHigh levelsEncodingACh
2012
Impaired auditory discrimination learning following perinatal nicotine exposure or β2 nicotinic acetylcholine receptor subunit deletion
Horst NK, Heath CJ, Neugebauer NM, Kimchi EY, Laubach M, Picciotto MR. Impaired auditory discrimination learning following perinatal nicotine exposure or β2 nicotinic acetylcholine receptor subunit deletion. Behavioural Brain Research 2012, 231: 170-180. PMID: 22433585, PMCID: PMC3334440, DOI: 10.1016/j.bbr.2012.03.002.Peer-Reviewed Original ResearchConceptsAuditory stimulus processingStimulus processingAuditory discrimination learningUnderlying neurobiological mechanismsAuditory discrimination paradigmLow rates (DRL) taskPerinatal nicotine exposureAuditory discriminationGeneral deficitDiscrimination learningTask performanceNicotine exposureDiscrimination impairmentNeurobiological mechanismsMouse perinatal developmentDiscrimination paradigmRate taskDifferential reinforcementAdministration of nicotineTaskAuditory pathwayLearningNicotinic acetylcholine receptorsMaternal smokingProcessing
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