2024
Mapping the Depressed Brain Under Stress Using Multimodal Neuroimaging
Akiki T, Abdallah C. Mapping the Depressed Brain Under Stress Using Multimodal Neuroimaging. American Journal Of Psychiatry 2024, 181: 578-580. PMID: 38946274, DOI: 10.1176/appi.ajp.20240400.Peer-Reviewed Original ResearchUltrahigh-Field Magnetic Resonance Spectroscopy Findings Do Not Support Previous Brain Metabolite Findings in Major Depressive Disorder
Tamman A, Abdallah C. Ultrahigh-Field Magnetic Resonance Spectroscopy Findings Do Not Support Previous Brain Metabolite Findings in Major Depressive Disorder. Biological Psychiatry 2024, 95: 385-386. PMID: 38325915, DOI: 10.1016/j.biopsych.2023.12.022.Peer-Reviewed Original Research
2023
Neuroimaging-based classification of PTSD using data-driven computational approaches: A multisite big data study from the ENIGMA-PGC PTSD consortium
Zhu X, Kim Y, Ravid O, He X, Suarez-Jimenez B, Zilcha-Mano S, Lazarov A, Lee S, Abdallah C, Angstadt M, Averill C, Baird C, Baugh L, Blackford J, Bomyea J, Bruce S, Bryant R, Cao Z, Choi K, Cisler J, Cotton A, Daniels J, Davenport N, Davidson R, DeBellis M, Dennis E, Densmore M, deRoon-Cassini T, Disner S, Hage W, Etkin A, Fani N, Fercho K, Fitzgerald J, Forster G, Frijling J, Geuze E, Gonenc A, Gordon E, Gruber S, Grupe D, Guenette J, Haswell C, Herringa R, Herzog J, Hofmann D, Hosseini B, Hudson A, Huggins A, Ipser J, Jahanshad N, Jia-Richards M, Jovanovic T, Kaufman M, Kennis M, King A, Kinzel P, Koch S, Koerte I, Koopowitz S, Korgaonkar M, Krystal J, Lanius R, Larson C, Lebois L, Li G, Liberzon I, Lu G, Luo Y, Magnotta V, Manthey A, Maron-Katz A, May G, McLaughlin K, Mueller S, Nawijn L, Nelson S, Neufeld R, Nitschke J, O'Leary E, Olatunji B, Olff M, Peverill M, Phan K, Qi R, Quidé Y, Rektor I, Ressler K, Riha P, Ross M, Rosso I, Salminen L, Sambrook K, Schmahl C, Shenton M, Sheridan M, Shih C, Sicorello M, Sierk A, Simmons A, Simons R, Simons J, Sponheim S, Stein M, Stein D, Stevens J, Straube T, Sun D, Théberge J, Thompson P, Thomopoulos S, van der Wee N, van der Werff S, van Erp T, van Rooij S, van Zuiden M, Varkevisser T, Veltman D, Vermeiren R, Walter H, Wang L, Wang X, Weis C, Winternitz S, Xie H, Zhu Y, Wall M, Neria Y, Morey R. Neuroimaging-based classification of PTSD using data-driven computational approaches: A multisite big data study from the ENIGMA-PGC PTSD consortium. NeuroImage 2023, 283: 120412. PMID: 37858907, PMCID: PMC10842116, DOI: 10.1016/j.neuroimage.2023.120412.Peer-Reviewed Original ResearchBiological embedding of early trauma: the role of higher prefrontal synaptic strength
Tamman A, Jiang L, Averill C, Mason G, Averill L, Abdallah C. Biological embedding of early trauma: the role of higher prefrontal synaptic strength. European Journal Of Psychotraumatology 2023, 14: 2246338. PMID: 37642398, PMCID: PMC10467533, DOI: 10.1080/20008066.2023.2246338.Peer-Reviewed Original ResearchConceptsEarly traumaApproach/avoidance tendenciesReward responsivityAvoidance tendenciesBehavioral inhibitionSynaptic strengthPutative measurePhysical healthBiological embeddingHealthy controlsLarge human samplePTSDSynaptic processesGlutamatergic synaptic strengthPsychiatric disordersHigher EPCHuman samplesStudy findingsGlutamatergic excitotoxicityPharmacological treatmentDirect measureMeasuresTraumaEmotionsSynaptic plasticityPsychometric Properties of the Self-Injurious Thoughts and Behaviors Interview–Short Form Among U.S. Active Duty Military Service Members and Veterans
Stanley I, Marx B, Fina B, Young-McCaughan S, Tyler H, Sloan D, Blankenship A, Dondanville K, Walker J, Boffa J, Bryan C, Brown L, Straud C, Mintz J, Abdallah C, Back S, Blount T, DeBeer B, Flanagan J, Foa E, Fox P, Fredman S, Krystal J, McDevitt-Murphy M, McGeary D, Pruiksma K, Resick P, Roache J, Shiroma P, Taylor D, Wachen J, Kaplan A, López-Roca A, Nicholson K, Schobitz R, Schrader C, Sharrieff A, Yarvis J, Litz B, Keane T, Peterson A. Psychometric Properties of the Self-Injurious Thoughts and Behaviors Interview–Short Form Among U.S. Active Duty Military Service Members and Veterans. Assessment 2023, 30: 2332-2346. PMID: 36644835, DOI: 10.1177/10731911221143979.Peer-Reviewed Original ResearchConceptsBehaviors Interview-Short FormPosttraumatic stress disorderSelf-injurious thoughtsMilitary service membersService membersDiscriminant validitySelf-report measuresInterview-based measuresSuicidal ideationSelf-report questionnairesActive duty military service membersSuicide-related thoughtsActive duty service membersPTSD symptomsStress disorderRelated constructsGood convergentConvergent validityResponse formatPsychometric propertiesSuicide risk assessmentInterrater reliabilityHigh interrater reliabilityIdeationVeterans
2022
Brain Imaging in Psychiatry: Time to Move From Regions of Interest and Interpretive Analyses to Connectomes and Predictive Modeling?
Abdallah C, Sheth S, Storch E, Goodman W. Brain Imaging in Psychiatry: Time to Move From Regions of Interest and Interpretive Analyses to Connectomes and Predictive Modeling? American Journal Of Psychiatry 2022, 180: 17-19. PMID: 36587267, DOI: 10.1176/appi.ajp.20220907.Peer-Reviewed Original Research
2020
Modulation of the antidepressant effects of ketamine by the mTORC1 inhibitor rapamycin
Abdallah CG, Averill LA, Gueorguieva R, Goktas S, Purohit P, Ranganathan M, Sherif M, Ahn KH, D’Souza D, Formica R, Southwick SM, Duman RS, Sanacora G, Krystal JH. Modulation of the antidepressant effects of ketamine by the mTORC1 inhibitor rapamycin. Neuropsychopharmacology 2020, 45: 990-997. PMID: 32092760, PMCID: PMC7162891, DOI: 10.1038/s41386-020-0644-9.Peer-Reviewed Original ResearchConceptsAntidepressant effectsKetamine administrationRapamycin pretreatmentMontgomery-Åsberg Depression Rating ScaleDouble-blind cross-over designBenefits of ketamineRobust antidepressant effectsKetamine's antidepressant effectsMajor depressive episodeDepression Rating ScaleCross-over designKetamine exertsOral rapamycinRemission rateDepressive episodePlacebo 2Ketamine 0.5Local blockadeDepressed patientsIntravenous administrationTreatment daysDepression relapseDepression severityKetamineRating Scale
2019
Apolipoprotein E gene polymorphism, posttraumatic stress disorder, and cognitive function in older U.S. veterans: Results from the National Health and Resilience in Veterans Study
Averill LA, Abdallah CG, Levey DF, Han S, Harpaz‐Rotem I, Kranzler HR, Southwick SM, Krystal JH, Gelernter J, Pietrzak RH. Apolipoprotein E gene polymorphism, posttraumatic stress disorder, and cognitive function in older U.S. veterans: Results from the National Health and Resilience in Veterans Study. Depression And Anxiety 2019, 36: 834-845. PMID: 31385647, DOI: 10.1002/da.22912.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderExecutive functionCognitive functioningStress disorderΕ4 carrier statusΕ4 carriersVeterans StudyCognitive dysfunctionAttention/concentrationGreater cognitive difficultiesLower cognitive functioningOlder U.S. veteransΕ4 allele carrier statusPerseverative errorsCognitive difficultiesReplication sampleCarrier statusCognitive functionImportance of assessingNational HealthCognitive declinePredictive effectApolipoprotein E gene polymorphismE gene polymorphismΕ4 allele carriers
2018
The Neurobiology and Pharmacotherapy of Posttraumatic Stress Disorder
Abdallah CG, Averill LA, Akiki TJ, Raza M, Averill CL, Gomaa H, Adikey A, Krystal JH. The Neurobiology and Pharmacotherapy of Posttraumatic Stress Disorder. The Annual Review Of Pharmacology And Toxicology 2018, 59: 171-189. PMID: 30216745, PMCID: PMC6326888, DOI: 10.1146/annurev-pharmtox-010818-021701.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderStress disorderTreatment of PTSDBiology of PTSDExert complex effectsBrain functionNeurobiologySynaptic gainPathology modelRapid-acting antidepressantsBroader frameworkDisordersWordsPutative mechanismsDysconnectivitySynaptic lossPharmacotherapeutic optionsClinical efficacyCompelling efficacyPerspectiveAntidepressantsDrug developmentComplex effectsPathologyEfficacyThe neurobiology of depression, ketamine and rapid-acting antidepressants: Is it glutamate inhibition or activation?
Abdallah CG, Sanacora G, Duman RS, Krystal JH. The neurobiology of depression, ketamine and rapid-acting antidepressants: Is it glutamate inhibition or activation? Pharmacology & Therapeutics 2018, 190: 148-158. PMID: 29803629, PMCID: PMC6165688, DOI: 10.1016/j.pharmthera.2018.05.010.Peer-Reviewed Original ResearchConceptsRapid-acting antidepressantsNeurobiology of depressionMechanism of actionChronic stress pathologyRole of glutamateAntidepressant effectsEfficacy findingsGlutamate activationBiomarker findingsNeurobiology of stressVivo pharmacodynamicsCurrent perspective paperKetamineChronic stressReproducible biomarkersBehavioral effectsGlutamate inhibitionDepressionStress pathologyAntidepressantsNeurobiologyInhibitionActivationPharmacodynamicsPharmacokinetics