2019
In 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
2018
Cerebellar and Prefrontal Cortical Alterations in PTSD: Structural and Functional Evidence
Holmes SE, Scheinost D, DellaGioia N, Davis MT, Matuskey D, Pietrzak RH, Hampson M, Krystal JH, Esterlis I. Cerebellar and Prefrontal Cortical Alterations in PTSD: Structural and Functional Evidence. Chronic Stress 2018, 2: 2470547018786390. PMID: 30035247, PMCID: PMC6054445, DOI: 10.1177/2470547018786390.Peer-Reviewed Original ResearchPosttraumatic stress disorderIntrinsic connectivity distributionMedial prefrontal cortexTensor-based morphometryPTSD groupFunctional connectivityPrefrontal cortexPathophysiology of PTSDGray matter volumeWhole-brain connectivityKey brain regionsMiddle temporal gyrusDorsolateral prefrontal cortexDefault mode networkCentral executive networkFunctional connectivity analysisPFC alterationsCortical alterationsHealthy comparison participantsAltered volumeFunctional alterationsMatter volumeUnmedicated individualsCerebellar involvementBrain regions