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