PTSD is associated with neuroimmune suppression: evidence from PET imaging and postmortem transcriptomic studies
Bhatt S, Hillmer AT, Girgenti MJ, Rusowicz A, Kapinos M, Nabulsi N, Huang Y, Matuskey D, Angarita GA, Esterlis I, Davis MT, Southwick SM, Friedman MJ, Duman R, Carson R, Krystal J, Pietrzak R, Cosgrove K. PTSD is associated with neuroimmune suppression: evidence from PET imaging and postmortem transcriptomic studies. Nature Communications 2020, 11: 2360. PMID: 32398677, PMCID: PMC7217830, DOI: 10.1038/s41467-020-15930-5.Peer-Reviewed Original ResearchMeSH KeywordsAcetamidesAdaptor Proteins, Signal TransducingAdultBrainCase-Control StudiesFemaleGene Expression ProfilingHealthy VolunteersHumansMaleMicrogliaMiddle AgedPositron-Emission TomographyPyridinesRadiopharmaceuticalsReceptors, GABAReceptors, Tumor Necrosis Factor, Member 14Sex FactorsStress Disorders, Post-TraumaticYoung AdultConceptsPosttraumatic stress disorderPeripheral immune activationImmune activationHigher C-reactive protein levelsC-reactive protein levelsTSPO availabilityTranslocator proteinBrain microglial activationTomography brain imagingStress-related pathophysiologyPositron emission tomography (PET) brain imagingNeuroimmune activationMicroglial activationPTSD symptom severityImmunologic regulationPostmortem studiesPTSD subgroupHealthy individualsSymptom severityTrauma exposurePTSD groupStress disorderLower relative expressionBrain imagingPET imagingKetamine Normalizes the Structural Alterations of Inferior Frontal Gyrus in Depression
Dai D, Lacadie CM, Holmes SE, Cool R, Anticevic A, Averill C, Abdallah C, Esterlis I. Ketamine Normalizes the Structural Alterations of Inferior Frontal Gyrus in Depression. Chronic Stress 2020, 4: 2470547020980681. PMID: 33426409, PMCID: PMC7758564, DOI: 10.1177/2470547020980681.Peer-Reviewed Original ResearchMajor depressive disorderPost-traumatic stress disorderMagnetic resonance imagingAcute ketamine administrationKetamine administrationKetamine infusionMDD subjectsInferior frontal gyrusComorbid post-traumatic stress disorderPTSD groupAcute ketamine treatmentFrontal gyrusHealthy control subjectsIntravenous ketamine infusionRegional volume differencesImpact of ketamineSingle ketamine infusionStructural alterationsFuture therapeutic targetsVoxel-wise t-testsKetamine treatmentControl subjectsDepressive disorderHC groupPTSD subjects