2024
W35 Nicotine Use and Metabotropic Glutamate Receptor 5 (mGluR5) in Individuals With Major Depressive and Post Traumatic Stress Disorders
Baldassarri S, Asch R, Hillmer A, Pietrzak R, DellaGioia N, Esterlis I, Davis M. W35 Nicotine Use and Metabotropic Glutamate Receptor 5 (mGluR5) in Individuals With Major Depressive and Post Traumatic Stress Disorders. Drug And Alcohol Dependence 2024, 260: 110653. DOI: 10.1016/j.drugalcdep.2023.110653.Peer-Reviewed Original ResearchPreliminary Study of White Matter Abnormalities and Associations With the Metabotropic Glutamate Receptor 5 to Distinguish Bipolar and Major Depressive Disorders
Fan S, Asch R, Davis M, DellaGioia N, Cool R, Blumberg H, Esterlis I. Preliminary Study of White Matter Abnormalities and Associations With the Metabotropic Glutamate Receptor 5 to Distinguish Bipolar and Major Depressive Disorders. Chronic Stress 2024, 8: 24705470231225320. PMID: 38250007, PMCID: PMC10798116, DOI: 10.1177/24705470231225320.Peer-Reviewed Original ResearchMetabotropic glutamate receptor 5Bipolar disorderGlutamate receptor 5UF FAUncinate fasciculusFractional anisotropyWhole-brain analysisMultimodal neuroimaging approachDifferentiation of BDDiffusion-weighted MRI scansFrontotemporal dysconnectivityFrontotemporal systemFunctional dysconnectivityDepressive disorderNeurobiological mechanismsMGluR5 levelsWhite matterWhite matter abnormalitiesNeuroimaging approachesWM integrityNeural mechanismsMDDWhole-brainWM abnormalitiesReceptor 5
2022
Differences in Quantification of the Metabotropic Glutamate Receptor 5 Across Bipolar Disorder and Major Depressive Disorder
Holmes S, Asch R, Davis M, DellaGioia N, Pashankar N, Gallezot J, Nabulsi N, Matuskey D, Sanacora G, Carson R, Blumberg H, Esterlis I. Differences in Quantification of the Metabotropic Glutamate Receptor 5 Across Bipolar Disorder and Major Depressive Disorder. Biological Psychiatry 2022, 93: 1099-1107. PMID: 36764853, PMCID: PMC10164841, DOI: 10.1016/j.biopsych.2022.10.018.Peer-Reviewed Original ResearchConceptsMajor depressive disorderMetabotropic glutamate receptor 5Glutamate receptor 5MGluR5 availabilityBipolar disorderPositron emission tomographyHC groupDepressive disorderReceptor 5Emission tomographyHealthy control individualsPossible treatment targetsGlutamate transmissionBD depressionTreatment strategiesBD groupMGluR5Depressive symptomsNovel treatmentsCognitive alterationsTreatment targetsSynaptic plasticityControl individualsAccurate diagnosisSignificant negative correlation
2019
Measuring the effects of ketamine on mGluR5 using [18F]FPEB and PET
Holmes SE, Gallezot JD, Davis MT, DellaGioia N, Matuskey D, Nabulsi N, Krystal JH, Javitch JA, DeLorenzo C, Carson RE, Esterlis I. Measuring the effects of ketamine on mGluR5 using [18F]FPEB and PET. Cerebrovascular And Brain Metabolism Reviews 2019, 40: 2254-2264. PMID: 31744389, PMCID: PMC7585925, DOI: 10.1177/0271678x19886316.Peer-Reviewed Original ResearchConceptsEffects of ketamineKetamine infusionGlutamate transmissionMetabotropic glutamate receptor 5Ketamine-induced effectsKetamine-induced changesGlutamate receptor 5Promising treatment targetDrug challenge studiesTwo-tissue compartment modelMGluR5 radioligandBlood pressureMGluR5 availabilityBaseline scanOutcome measuresHealthy subjectsHeart ratePsychiatric disordersReceptor 5Modulatory effectsMGluR5Treatment targetsChallenge studiesArterial input functionChallenge paradigmIn vivo evidence for dysregulation of mGluR5 as a biomarker of suicidal ideation
Davis MT, Hillmer A, Holmes SE, Pietrzak RH, DellaGioia N, Nabulsi N, Matuskey D, Angarita G, Carson RE, Krystal JH, Esterlis I. In vivo evidence for dysregulation of mGluR5 as a biomarker of suicidal ideation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 11490-11495. PMID: 31085640, PMCID: PMC6561298, DOI: 10.1073/pnas.1818871116.Peer-Reviewed Original ResearchConceptsMGluR5 availabilitySuicidal ideationHC individualsPathophysiology of PTSDLimbic brain regionsVolume of distributionHealthy comparison controlsSuicide risk managementPositron emission tomographyReceptor 5Venous input functionsBrain regionsPTSD individualsEmission tomographyMDD individualsVivo evidenceRecent evidencePotential roleMGluR5PTSDComparison controlsDysregulationMDDIdeationIndividuals