2024
Slow and fast cortical cholinergic arousal is reduced in a mouse model of focal seizures with impaired consciousness
Sieu L, Singla S, Liu J, Zheng X, Sharafeldin A, Chandrasekaran G, Valcarce-Aspegren M, Niknahad A, Fu I, Doilicho N, Gummadavelli A, McCafferty C, Crouse R, Perrenoud Q, Picciotto M, Cardin J, Blumenfeld H. Slow and fast cortical cholinergic arousal is reduced in a mouse model of focal seizures with impaired consciousness. Cell Reports 2024, 43: 115012. PMID: 39643969, DOI: 10.1016/j.celrep.2024.115012.Peer-Reviewed Original ResearchCortical slow wavesFocal seizuresBehavioral responsesAuditory stimuliImpaired behavioral responsesFocal temporal lobe seizuresImpaired consciousnessMouse modelAwake mouse modelResponses to auditory stimuliBehavioral responses to auditory stimuliDecreased cortical arousalImpaired behaviorSlow wavesTemporal lobe seizuresCholinergic releaseModel of focal seizuresHigh-frequency activityCortical functionCortical arousalDepressed cortical functionSubcortical arousalArousalAcetylcholine releaseRat model
2015
Decreased Subcortical Cholinergic Arousal in Focal Seizures
Motelow JE, Li W, Zhan Q, Mishra AM, Sachdev RN, Liu G, Gummadavelli A, Zayyad Z, Lee HS, Chu V, Andrews JP, Englot DJ, Herman P, Sanganahalli BG, Hyder F, Blumenfeld H. Decreased Subcortical Cholinergic Arousal in Focal Seizures. Neuron 2015, 85: 561-572. PMID: 25654258, PMCID: PMC4319118, DOI: 10.1016/j.neuron.2014.12.058.Peer-Reviewed Original ResearchConceptsTemporal lobe seizuresFocal temporal lobe seizuresReduced cholinergic neurotransmissionBilateral temporal lobesLoss of consciousnessPedunculopontine tegmental nucleusQuality of lifeBrainstem arousal systemsFunctional magnetic resonanceSeizure spreadCholinergic neuronsImpaired consciousnessFocal seizuresBasal forebrainAnterior hypothalamusCholinergic neurotransmissionTegmental nucleusLateral septumCortical functionRodent modelsTemporal lobeSubcortical regionsSeizuresImpair consciousnessSubcortical arousal