2022
Dorsal bed nucleus of stria terminalis in depressed and nondepressed temporal lobe epilepsy patients
Dhaher R, Bronen RA, Spencer L, Colic L, Brown F, Mian A, Sandhu M, Pittman B, Spencer D, Blumberg HP, Altalib H. Dorsal bed nucleus of stria terminalis in depressed and nondepressed temporal lobe epilepsy patients. Epilepsia 2022, 63: 2561-2570. PMID: 35883245, DOI: 10.1111/epi.17377.Peer-Reviewed Original ResearchConceptsTemporal lobe epilepsyDorsal bed nucleusTLE patientsEpilepsy patientsBed nucleusHC subjectsStria terminalisTemporal lobe epilepsy patientsMini International Neuropsychiatric InterviewMagnetic resonance imaging (MRI) scansTreatment-resistant depressionComprehensive Epilepsy CenterHealthy control subjectsStructural magnetic resonance imaging (MRI) scansResonance imaging scansNumber of patientsCase-control studyInternational Neuropsychiatric InterviewMajor depressive disorderCommon comorbid disordersHuman clinical studiesEpilepsy centersLobe epilepsyComorbid depressionControl subjects
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 studiesBrainIncreased branched‐chain amino acids at baseline and hours before a spontaneous seizure in the human epileptic brain
Ong C, Damisah EC, Gruenbaum SE, Dhaher R, Deng Y, Sandhu MRS, Zaveri HP, Spencer DD, Eid T. Increased branched‐chain amino acids at baseline and hours before a spontaneous seizure in the human epileptic brain. Epilepsia 2021, 62: e88-e97. PMID: 33949690, PMCID: PMC11259155, DOI: 10.1111/epi.16920.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAmino Acids, Branched-ChainBrain ChemistryChildChild, PreschoolChromatography, High Pressure LiquidDrug Resistant EpilepsyElectrocorticographyElectroencephalographyEpilepsies, PartialExtracellular SpaceFemaleGlutamic AcidHumansIsoleucineMaleMicrodialysisMiddle AgedSeizuresTandem Mass SpectrometryYoung AdultConceptsSpontaneous seizuresDrug-resistant focal epilepsyExtracellular brain glutamateHuman epileptic brainBranched-chain amino acidsBranched chain amino acids valineRefractory epilepsyBrain microdialysisGlutamatergic neurotransmissionFocal epilepsySeizure onsetBrain glutamateEpileptic brainHuman patientsSeizuresBrain regionsDialysis samplesMammalian targetEpilepsyLiquid chromatography-tandem mass spectrometryBaselineBCAAIntracranial electroencephalographyChromatography-tandem mass spectrometryPatients
2019
Branched-Chain Amino Acids and Seizures: A Systematic Review of the Literature
Gruenbaum SE, Chen EC, Sandhu MRS, Deshpande K, Dhaher R, Hersey D, Eid T. Branched-Chain Amino Acids and Seizures: A Systematic Review of the Literature. CNS Drugs 2019, 33: 755-770. PMID: 31313139, DOI: 10.1007/s40263-019-00650-2.Peer-Reviewed Original ResearchConceptsGenetic absence epilepsyBCAA supplementationAbsence epilepsyAnimal modelsBranched-chain amino acid supplementationSystematic reviewLong-term BCAA supplementationEpilepsy experience seizuresAnti-seizure effectsEffect of BCAAMost animal modelsPossible underlying mechanismsAmino acid supplementationChain amino acidsBCAA administrationBCAA mixtureRefractory epilepsyNeuron lossSeizure disorderAntiepileptic drugsSeizure modelSeizure propagationCochrane LibrarySeizure activityKainic acid