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
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
2000
Fear conditioning and latent inhibition in mice lacking the high affinity subclass of nicotinic acetylcholine receptors in the brain
Caldarone B, Duman C, Picciotto M. Fear conditioning and latent inhibition in mice lacking the high affinity subclass of nicotinic acetylcholine receptors in the brain. Neuropharmacology 2000, 39: 2779-2784. PMID: 11044747, DOI: 10.1016/s0028-3908(00)00137-4.Peer-Reviewed Original ResearchConceptsLatent inhibitionFear conditioningLatent inhibition taskTests of cognitionSpecific nicotinic receptor subtypesSpatial learning deficitsCognitive tasksInhibition taskHigh affinity subclassCognitive effectsBehavioral freezingLearning deficitsConditioningFearNicotinic receptor subtypesTaskOverall levelCognitionToneNicotineDeficitsSimilar levelsNicotinic receptorsNicotinic acetylcholine receptorsPrevious studies