2024
The human claustrum tracks slow waves during sleep
Lamsam L, Gu B, Liang M, Sun G, Khan K, Sheth K, Hirsch L, Pittenger C, Kaye A, Krystal J, Damisah E. The human claustrum tracks slow waves during sleep. Nature Communications 2024, 15: 8964. PMID: 39419999, PMCID: PMC11487173, DOI: 10.1038/s41467-024-53477-x.Peer-Reviewed Original Research
2023
Contribution of Somatic Ras/Raf/Mitogen-Activated Protein Kinase Variants in the Hippocampus in Drug-Resistant Mesial Temporal Lobe Epilepsy
Khoshkhoo S, Wang Y, Chahine Y, Erson-Omay E, Robert S, Kiziltug E, Damisah E, Nelson-Williams C, Zhu G, Kong W, Huang A, Stronge E, Phillips H, Chhouk B, Bizzotto S, Chen M, Adikari T, Ye Z, Witkowski T, Lai D, Lee N, Lokan J, Scheffer I, Berkovic S, Haider S, Hildebrand M, Yang E, Gunel M, Lifton R, Richardson R, Blümcke I, Alexandrescu S, Huttner A, Heinzen E, Zhu J, Poduri A, DeLanerolle N, Spencer D, Lee E, Walsh C, Kahle K. Contribution of Somatic Ras/Raf/Mitogen-Activated Protein Kinase Variants in the Hippocampus in Drug-Resistant Mesial Temporal Lobe Epilepsy. JAMA Neurology 2023, 80: 578-587. PMID: 37126322, PMCID: PMC10152377, DOI: 10.1001/jamaneurol.2023.0473.Peer-Reviewed Original ResearchConceptsDrug-resistant mesial temporal lobe epilepsyMesial temporal lobe epilepsyPathogenic somatic variantsTemporal lobe epilepsyMedian ageLobe epilepsyTemporal neocortexHippocampal tissueLevel 4 epilepsy centerAvailable frozen tissueSomatic variantsControl brain tissueMedial temporal lobectomyNew therapeutic targetsMolecular assaysGene panel sequencingRas/Raf/MAPK signalingAntiseizure medicationsMost patientsCommon indicationGermline genetic variantsEpilepsy centersTemporal lobectomyEpilepsy surgerySex-matched neurotypical controls
2021
Increased 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
2018
Cerebrospinal fluid untargeted metabolomic profiling of aneurysmal subarachnoid hemorrhage: an exploratory study
Lu AY, Damisah EC, Winkler EA, Grant RA, Eid T, Bulsara KR. Cerebrospinal fluid untargeted metabolomic profiling of aneurysmal subarachnoid hemorrhage: an exploratory study. British Journal Of Neurosurgery 2018, 32: 637-641. PMID: 30585503, DOI: 10.1080/02688697.2018.1519107.Peer-Reviewed Original ResearchConceptsAneurysmal subarachnoid hemorrhageGlasgow Outcome ScaleLong-term outcomesASAH patientsSubarachnoid hemorrhageTime pointsCSF samplesHigh-grade aSAH patientsFisher grade 4Cerebrospinal fluid samplesFalse discovery rate correctionSpecific metabolite changesLow disabilitySurgical therapyClinical outcomesCSF metabolitesUntargeted metabolomic profilingOutcome ScaleTissue hypoxiaGrade 3Year postPatientsClinical settingMetabolite predictorsMetabolic changes