2024
Spatiotemporal Organization of Prefrontal Norepinephrine Influences Neuronal Activity
Glaeser-Khan S, Savalia N, Cressy J, Feng J, Li Y, Kwan A, Kaye A. Spatiotemporal Organization of Prefrontal Norepinephrine Influences Neuronal Activity. ENeuro 2024, 11: eneuro.0252-23.2024. PMID: 38702188, PMCID: PMC11134306, DOI: 10.1523/eneuro.0252-23.2024.Peer-Reviewed Original ResearchTwo-photon imagingLocus coeruleusPrefrontal cortexOptical flow analysisIn vivo two-photon imagingInfluence neuronal activityVesicle exocytosisControl of cortical activityNE releaseGPCR-based sensorsNE dynamicsLocal fieldNeuronal calciumNeuronal firingCell firingNE roleNorepinephrineHomogeneous fieldNeuronal activitySpatiotemporal activity patternsNeurotransmitter functionSensorLight-sheet imagingAxonal dynamicsSpatial scales
2020
Ketamine disinhibits dendrites and enhances calcium signals in prefrontal dendritic spines
Ali F, Gerhard DM, Sweasy K, Pothula S, Pittenger C, Duman RS, Kwan AC. Ketamine disinhibits dendrites and enhances calcium signals in prefrontal dendritic spines. Nature Communications 2020, 11: 72. PMID: 31911591, PMCID: PMC6946708, DOI: 10.1038/s41467-019-13809-8.Peer-Reviewed Original ResearchConceptsDendritic spinesN-methyl-D-aspartate receptor antagonistPrefrontal cortexPrefrontal dendritic spinesApical dendritic spinesSomatostatin-expressing (SST) interneuronsCortico-cortical connectivityElevated calcium levelsMedial prefrontal cortexKetamine actsAntidepressant effectsGABAergic neuronsSST interneuronsKetamine actionPyramidal neuronsNMDAR antagonismReceptor antagonistSubanesthetic ketamineSubanesthetic doseDendritic inhibitionAwake miceCortical interneuronsSynaptic inputsCalcium levelsCalcium transients