2021
Small loci of astroglial glutamine synthetase deficiency in the postnatal brain cause epileptic seizures and impaired functional connectivity
Farina MG, Sandhu MRS, Parent M, Sanganahalli BG, Derbin M, Dhaher R, Wang H, Zaveri HP, Zhou Y, Danbolt NC, Hyder F, Eid T. Small loci of astroglial glutamine synthetase deficiency in the postnatal brain cause epileptic seizures and impaired functional connectivity. Epilepsia 2021, 62: 2858-2870. PMID: 34536233, PMCID: PMC9006438, DOI: 10.1111/epi.17072.Peer-Reviewed Original ResearchConceptsPostnatal brainFunctional connectivityContinuous video-electroencephalographic recordingSpontaneous recurrent seizuresPathogenesis of epilepsyGlutamine synthetase deficiencyVideo-electroencephalographic recordingsSpecific animal modelsEx vivo studySeizure thresholdAdult patientsRecurrent seizuresFocal epilepsyAdeno-associated virusHippocampal formationAnimal modelsFocal mannerEpileptic seizuresGS deficiencySmall lociSynthetase deficiencyEpilepsyGradual returnVivo studiesBrain
2011
Altered expression of brain monocarboxylate transporter 1 in models of temporal lobe epilepsy
Lauritzen F, Perez EL, Melillo ER, Roh JM, Zaveri HP, Lee TS, Wang Y, Bergersen LH, Eid T. Altered expression of brain monocarboxylate transporter 1 in models of temporal lobe epilepsy. Neurobiology Of Disease 2011, 45: 165-176. PMID: 21856423, PMCID: PMC3351090, DOI: 10.1016/j.nbd.2011.08.001.Peer-Reviewed Original ResearchConceptsTemporal lobe epilepsyMonocarboxylate transporter 1Hippocampal formationLobe epilepsyAnimal modelsModel of TLEPathogenesis of TLEHuman temporal lobe epilepsyPathophysiology of TLETransporter 1Epileptogenic hippocampal formationNonepileptic control animalsPerforant pathway stimulationRecurrent limbic seizuresRelevant rat modelGlutamine synthetase deficiencyLimbic seizuresAntiepileptic drugsBrain metabolismEpileptogenic brainMicrovessel densityRat modelValproic acidControl animalsMCT1 expression
2008
Recurrent seizures and brain pathology after inhibition of glutamine synthetase in the hippocampus in rats
Eid T, Ghosh A, Wang Y, Beckström H, Zaveri HP, Lee TS, Lai JC, Malthankar-Phatak GH, de Lanerolle NC. Recurrent seizures and brain pathology after inhibition of glutamine synthetase in the hippocampus in rats. Brain 2008, 131: 2061-2070. PMID: 18669513, PMCID: PMC2724901, DOI: 10.1093/brain/awn133.Peer-Reviewed Original ResearchConceptsMesial temporal lobe epilepsyMesial temporal sclerosisRecurrent seizuresTemporal sclerosisBrain pathologyIntractable mesial temporal lobe epilepsyTemporal lobe epilepsyGlutamine synthetase deficiencyNovel animal modelContinuous microinfusionHippocampal atrophyLobe epilepsyGlutamate excessNeuropathological featuresExtracellular glutamateHippocampal neuronsAnimal modelsTherapeutic interventionsHippocampusSeizuresSclerosisSynthetase deficiencyMinimal injuryPatientsRats