2020
Body Mass Index and Age Effects on Brain 11β-Hydroxysteroid Dehydrogenase Type 1: a Positron Emission Tomography Study
Bini J, Bhatt S, Hillmer AT, Gallezot JD, Nabulsi N, Pracitto R, Labaree D, Kapinos M, Ropchan J, Matuskey D, Sherwin RS, Jastreboff AM, Carson RE, Cosgrove K, Huang Y. Body Mass Index and Age Effects on Brain 11β-Hydroxysteroid Dehydrogenase Type 1: a Positron Emission Tomography Study. Molecular Imaging And Biology 2020, 22: 1124-1131. PMID: 32133575, PMCID: PMC7351613, DOI: 10.1007/s11307-020-01490-z.Peer-Reviewed Original ResearchConceptsBody mass indexPositron emission tomographyDehydrogenase type 1Mass indexObese individualsEnzyme 11β-hydroxysteroid dehydrogenase type 1Whole brainType 1Higher body mass indexPositron emission tomography studyVT valuesSevere Alzheimer's diseaseEmission tomography studiesSteroid stress hormonesAge-associated increaseMean whole brainSignificant age-associated increaseRegional distribution volumesVisceral adiposityInsulin resistanceActive cortisolExcess cortisolInactive cortisoneMemory dysfunctionParietal lobe
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
2013
Neural Correlates of Stress- and Food Cue–Induced Food Craving in Obesity Association with insulin levels
Jastreboff AM, Sinha R, Lacadie C, Small DM, Sherwin RS, Potenza MN. Neural Correlates of Stress- and Food Cue–Induced Food Craving in Obesity Association with insulin levels. Diabetes Care 2013, 36: 394-402. PMID: 23069840, PMCID: PMC3554293, DOI: 10.2337/dc12-1112.Peer-Reviewed Original ResearchConceptsFood cuesFood cravingsStress cuesBrain responsesSubjective food cravingsFavorite-food cuesBrain regionsInsulin levelsNeural correlatesBrain activationHOMA-IRObese individualsInsulin sensitivityFood motivationNeural activityFunctional MRICuesCravingHOMA-IR levelsNeurocircuitryLean subjectsInsulin resistanceLean individualsObesity associationHypothalamic regions
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