2024
GLP-1 programs the neurovascular landscape
Chen B, Yu X, Horvath-Diano C, Ortuño M, Tschöp M, Jastreboff A, Schneeberger M. GLP-1 programs the neurovascular landscape. Cell Metabolism 2024, 36: 2173-2189. PMID: 39357509, DOI: 10.1016/j.cmet.2024.09.003.Peer-Reviewed Original ResearchConceptsGLP-1R agonismGLP-1RMetabolic healthChronic low-grade inflammationLow-grade inflammationGlucagon-like peptide-1 receptorPersistent health issuesCognitive well-beingNutrient-rich foodsPeptide-1 receptorMetabolic syndromeHealth issuesMetabolic defectsBrain healthMetabolic environmentObesityWell-beingWeight lossHealthMetabolic conditionsAgonismNeurological conditions
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
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 individualsAltered Brain Response to Drinking Glucose and Fructose in Obese Adolescents
Jastreboff AM, Sinha R, Arora J, Giannini C, Kubat J, Malik S, Van Name MA, Santoro N, Savoye M, Duran EJ, Pierpont B, Cline G, Constable RT, Sherwin RS, Caprio S. Altered Brain Response to Drinking Glucose and Fructose in Obese Adolescents. Diabetes 2016, 65: 1929-1939. PMID: 27207544, PMCID: PMC5384636, DOI: 10.2337/db15-1216.Peer-Reviewed Original ResearchConceptsObese adolescentsLean adolescentsGlucose ingestionInsulin levelsBrain perfusionBrain regionsSugar-sweetened beverage consumptionAltered brain responsesHedonic brain regionsHippocampal blood flowFurther weight gainFructose ingestionAcyl ghrelinAttenuated suppressionFructose consumptionPerfusion responseBlood flowBrain adaptationBeverage consumptionGreater perfusionPerfusionVentral striatumFunctional MRIWeight gainIngestion
2014
Leptin Is Associated With Exaggerated Brain Reward and Emotion Responses to Food Images in Adolescent Obesity
Jastreboff AM, Lacadie C, Seo D, Kubat J, Van Name MA, Giannini C, Savoye M, Constable RT, Sherwin RS, Caprio S, Sinha R. Leptin Is Associated With Exaggerated Brain Reward and Emotion Responses to Food Images in Adolescent Obesity. Diabetes Care 2014, 37: 3061-3068. PMID: 25139883, PMCID: PMC4207200, DOI: 10.2337/dc14-0525.Peer-Reviewed Original ResearchConceptsLow-calorie foodsBrain responsesFood imagesEmotion processingEmotion responsesAdolescent brainNeural responsesNeural activationHigh-calorie food consumptionFood cravingsNeural alterationsBrain rewardFunctional MRIAdolescent obesityRisk of overconsumptionAdolescentsObesity-related metabolic changesEndogenous leptin levelsFood advertisingMetabolic changesYouthDevelopment of obesityType 2 diabetesLean adolescentsNation's youth
2013
Stress as a Common Risk Factor for Obesity and Addiction
Sinha R, Jastreboff AM. Stress as a Common Risk Factor for Obesity and Addiction. Biological Psychiatry 2013, 73: 827-835. PMID: 23541000, PMCID: PMC3658316, DOI: 10.1016/j.biopsych.2013.01.032.BooksConceptsNeurobiology of stressHP foodsIncentive salienceFood motivationIntegrative heuristic modelFood-related motivationDevelopment of addictionBiology of stressNeural mechanismsNeurobiological mechanismsAddiction relapsePalatable foodAddictive drugsAllostatic loadMotivationRisk factorsSalienceHigh levelsNeurobiologyHeuristic modelEnergy homeostasisWeight gainAddictionFuture directionsDopaminergic activityNeural 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