2022
Stress-level glucocorticoids increase fasting hunger and decrease cerebral blood flow in regions regulating eating
Bini J, Parikh L, Lacadie C, Hwang JJ, Shah S, Rosenberg SB, Seo D, Lam K, Hamza M, De Aguiar RB, Constable T, Sherwin RS, Sinha R, Jastreboff AM. Stress-level glucocorticoids increase fasting hunger and decrease cerebral blood flow in regions regulating eating. NeuroImage Clinical 2022, 36: 103202. PMID: 36126514, PMCID: PMC9486604, DOI: 10.1016/j.nicl.2022.103202.Peer-Reviewed Original ResearchConceptsCerebral blood flowRegional cerebral blood flowBlood flowMetabolic hormonesRandomized double-blind cross-over designDouble-blind cross-over designStress level glucocorticoidsPrimary sensory cortexPerfusion magnetic resonanceCross-over designMedial temporal gyrusWhole-brain voxelMedial brainstemSaline daysOvernight infusionCBF responseHunger ratingsPlasma insulinGlucocorticoid effectsHedonic signalsObesity riskLimbic regionsFood intakeNeural regulationDistinct brain networks
2021
Testing the effects of the GLP-1 receptor agonist exenatide on cocaine self-administration and subjective responses in humans with cocaine use disorder
Angarita GA, Matuskey D, Pittman B, Costeines JL, Potenza MN, Jastreboff AM, Schmidt HD, Malison RT. Testing the effects of the GLP-1 receptor agonist exenatide on cocaine self-administration and subjective responses in humans with cocaine use disorder. Drug And Alcohol Dependence 2021, 221: 108614. PMID: 33621809, PMCID: PMC8026565, DOI: 10.1016/j.drugalcdep.2021.108614.Peer-Reviewed Original ResearchConceptsCocaine use disorderGLP-1Use disordersGLP-1 receptor agonist exenatideGlucagon-like peptide-1 analogSubjective effectsEfficacy of exenatideLevels of amylinPreclinical rodent studiesPeptide-1 analogVisual analog scaleGLP-1 analoguesSelf-reported euphoriaInfusion of cocaineSelf-administer cocaineAcute pretreatmentSecondary outcomesPrimary outcomeAnalog scaleHormone levelsRodent studiesExenatidePlaceboCocaine infusionsCUD subjects
2017
Stress, cortisol, and other appetite‐related hormones: Prospective prediction of 6‐month changes in food cravings and weight
Chao AM, Jastreboff AM, White MA, Grilo CM, Sinha R. Stress, cortisol, and other appetite‐related hormones: Prospective prediction of 6‐month changes in food cravings and weight. Obesity 2017, 25: 713-720. PMID: 28349668, PMCID: PMC5373497, DOI: 10.1002/oby.21790.Peer-Reviewed Original ResearchConceptsFuture weight gainAppetite-related hormonesFood cravingsChronic stressWeight gainProspective community cohortFood Craving InventoryTotal ghrelinCommunity cohortBlood drawMorning cortisolClinical covariatesHormone levelsBody weightCortisol responseHigher food cravingsHigher cortisolCortisolCumulative Adversity InterviewCravingLinear mixed modelsBaselineGhrelinHormoneMonths
2016
Altered 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
2015
Blunted suppression of acyl‐ghrelin in response to fructose ingestion in obese adolescents: The role of insulin resistance
Van Name M, Giannini C, Santoro N, Jastreboff AM, Kubat J, Li F, Kursawe R, Savoye M, Duran E, Dziura J, Sinha R, Sherwin RS, Cline G, Caprio S. Blunted suppression of acyl‐ghrelin in response to fructose ingestion in obese adolescents: The role of insulin resistance. Obesity 2015, 23: 653-661. PMID: 25645909, PMCID: PMC4548801, DOI: 10.1002/oby.21019.Peer-Reviewed Original ResearchConceptsAcyl ghrelinObese insulinGlucose ingestionInsulin resistanceObese adolescentsCross-over designFructose ingestionGut hormonesChildhood obesityInsulin sensitivityFructose consumptionEffect of glucoseDiminished suppressionRandom orderIngestionObesityPYYAdolescentsInsulinSuppression differencesGlucoseMinutesResponseGhrelinOIR
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