2022
AMPK-mediated potentiation of GABAergic signalling drives hypoglycaemia-provoked spike-wave seizures
Salvati KA, Ritger ML, Davoudian PA, O'Dell F, Wyskiel DR, Souza GMPR, Lu AC, Perez-Reyes E, Drake JC, Yan Z, Beenhakker MP. AMPK-mediated potentiation of GABAergic signalling drives hypoglycaemia-provoked spike-wave seizures. Brain 2022, 145: 2332-2346. PMID: 35134125, PMCID: PMC9337815, DOI: 10.1093/brain/awac037.Peer-Reviewed Original ResearchConceptsSpike-wave seizuresAbsence epilepsyGABAB receptor functionThalamic brain slicesThalamocortical neuronsCircuit excitabilitySystemic administrationBrain slicesRodent modelsNeuronal activityDiabetes treatmentEpileptic seizuresSeizuresProtein kinaseProtein kinase activationAMPEpilepsyNetwork activityKinase activationMetabolismActivationProtein kinase agonistsEnergetic stressHypoglycaemiaKinase
2021
Dopaminergic mechanism underlying reward-encoding of punishment omission during reversal learning in Drosophila
McCurdy LY, Sareen P, Davoudian PA, Nitabach MN. Dopaminergic mechanism underlying reward-encoding of punishment omission during reversal learning in Drosophila. Nature Communications 2021, 12: 1115. PMID: 33602917, PMCID: PMC7893153, DOI: 10.1038/s41467-021-21388-w.Peer-Reviewed Original ResearchConceptsDopaminergic neuronsCholinergic neuronsNeural circuit mechanismsCholinergic relayDopaminergic mechanismsSynaptic excitationSynaptic reconstructionSynaptic inputsVivo functional imagingCircuit mechanismsNeuronsAversive memoryFunctional imagingOdor responsesAversive outcomesReduced activationSuch activationCircuit motifsActivationOutcomesElectric shock punishmentSensory cuesUnexpected omissionShock punishmentBehavioral analysis