2021
Lower synaptic density is associated with psychiatric and cognitive alterations in obesity
Asch RH, Holmes SE, Jastreboff AM, Potenza MN, Baldassarri SR, Carson RE, Pietrzak RH, Esterlis I. Lower synaptic density is associated with psychiatric and cognitive alterations in obesity. Neuropsychopharmacology 2021, 47: 543-552. PMID: 34294874, PMCID: PMC8674236, DOI: 10.1038/s41386-021-01111-5.Peer-Reviewed Original ResearchConceptsStress-related psychiatric disordersBody mass indexLower synaptic densitySynaptic densityPsychiatric disordersPsychiatric diagnosisOverweight/obesityNormal-weight individualsNormal-weight participantsSerious medical conditionPositron emission tomographyStress-related psychopathologyDorsolateral prefrontal cortexOverweight/Mass indexWeight participantsWeight individualsHealthy controlsTension/anxietyAssociated symptomatologyMedical conditionsIntervention development effortsObesityCognitive alterationsPsychiatric groups
2016
Elevated Dopamine D2/3 Receptor Availability in Obese Individuals: A PET Imaging Study with [11C](+)PHNO
Gaiser EC, Gallezot JD, Worhunsky PD, Jastreboff AM, Pittman B, Kantrovitz L, Angarita GA, Cosgrove KP, Potenza MN, Malison RT, Carson RE, Matuskey D. Elevated Dopamine D2/3 Receptor Availability in Obese Individuals: A PET Imaging Study with [11C](+)PHNO. Neuropsychopharmacology 2016, 41: 3042-3050. PMID: 27374277, PMCID: PMC5101552, DOI: 10.1038/npp.2016.115.Peer-Reviewed Original ResearchConceptsBody mass indexVentral striatumObese individualsD2/3R availabilityOB individualsReward regionsSubstantia nigra/ventral tegmental areaDopamine D2/3 receptor availabilityNormal-weight individualsTreatment of obesityVentral tegmental areaNovel pharmacologic targetsD2/3 receptor availabilitySN/VTAAgonist tracersOverweight cohortMass indexWeight individualsTegmental areaBrain reward regionsAntagonist tracersPharmacologic targetReceptor availabilitySecondary analysisNW individuals
2010
Body Mass Index, Metabolic Factors, and Striatal Activation During Stressful and Neutral-Relaxing States: An fMRI Study
Jastreboff AM, Potenza MN, Lacadie C, Hong KA, Sherwin RS, Sinha R. Body Mass Index, Metabolic Factors, and Striatal Activation During Stressful and Neutral-Relaxing States: An fMRI Study. Neuropsychopharmacology 2010, 36: 627-637. PMID: 21048702, PMCID: PMC3055687, DOI: 10.1038/npp.2010.194.Peer-Reviewed Original ResearchConceptsMetabolic factorsFunctional magnetic resonance imagingOB individualsOW/OB individualsVentral striatumVS activationBody mass index statusCortico-limbic regionsNon-homeostatic feedingBody mass indexNormal-weight individualsMagnetic resonance imagingAlcohol cue exposureMass indexObese individualsPlasma glucoseStriatal dysfunctionWeight individualsIndex statusPersonalized stressResonance imagingSignificant associationNW individualsCue exposureMetabolic changes