2020
Central nervous pathways of insulin action in the control of metabolism and food intake
Kullmann S, Kleinridders A, Small DM, Fritsche A, Häring HU, Preissl H, Heni M. Central nervous pathways of insulin action in the control of metabolism and food intake. The Lancet Diabetes & Endocrinology 2020, 8: 524-534. PMID: 32445739, DOI: 10.1016/s2213-8587(20)30113-3.Peer-Reviewed Original ResearchConceptsPalatable food cuesCentral insulin actionCurrent findingsInsulin actionCognitive controlFood cuesCognitive healthPeripheral metabolismFood intakeMesocorticolimbic circuitryBrain insulin actionWhole-body insulin sensitivityCentral nervous pathwaysType 2 diabetesHuman researchCognitive diseasesEndogenous glucose productionDopamine systemNervous pathwaysTherapeutic optionsInsulin sensitivitySystemic metabolismAnimal modelsGlucose productionControl of metabolismCirculating Triglycerides Gate Dopamine-Associated Behaviors through DRD2-Expressing Neurons
Berland C, Montalban E, Perrin E, Di Miceli M, Nakamura Y, Martinat M, Sullivan M, Davis XS, Shenasa MA, Martin C, Tolu S, Marti F, Caille S, Castel J, Perez S, Salinas CG, Morel C, Hecksher-Sørensen J, Cador M, Fioramonti X, Tschöp MH, Layé S, Venance L, Faure P, Hnasko TS, Small DM, Gangarossa G, Luquet SH. Circulating Triglycerides Gate Dopamine-Associated Behaviors through DRD2-Expressing Neurons. Cell Metabolism 2020, 31: 773-790.e11. PMID: 32142669, PMCID: PMC7250662, DOI: 10.1016/j.cmet.2020.02.010.Peer-Reviewed Original ResearchConceptsDopamine receptor subtype 2Lipoprotein lipaseReceptor subtype 2Energy-rich dietDopaminergic transmissionMesocorticolimbic systemDietary triglyceridesSubtype 2Reward deficitsReward circuitMetabolic signaturesWeight gainCompulsive feedingFood cuesTriglyceridesGenetic riskBrain responsesNew mechanistic basisCompulsive behaviorsNeuronsNovel mechanismMechanistic basisDysfunction
2013
Metabolic Regulation of Brain Response to Food Cues
de Araujo IE, Lin T, Veldhuizen MG, Small DM. Metabolic Regulation of Brain Response to Food Cues. Current Biology 2013, 23: 878-883. PMID: 23643837, PMCID: PMC3767438, DOI: 10.1016/j.cub.2013.04.001.Peer-Reviewed Original ResearchNeural 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
2012
Neuroimaging the interaction of mind and metabolism in humans
D’Agostino A, Small DM. Neuroimaging the interaction of mind and metabolism in humans. Molecular Metabolism 2012, 1: 10-20. PMID: 24024114, PMCID: PMC3757655, DOI: 10.1016/j.molmet.2012.06.002.Peer-Reviewed Original ResearchFunctional magnetic resonance imagingParticular mental processesNeural circuitsInteraction of mindFood cuesMental processesBrain responsesNeural responsesPsychological stateFunctional neuroimagingNeuroimaging techniquesDecision-making processMagnetic resonance imagingHormonal factorsCuesResonance imagingNeuroimagingMetabolic signalsMindHormonal signalsDesireSatietyBehaviorIntakeResponseFood and drug cues activate similar brain regions: A meta-analysis of functional MRI studies
Tang D, Fellows L, Small D, Dagher A. Food and drug cues activate similar brain regions: A meta-analysis of functional MRI studies. Physiology & Behavior 2012, 106: 317-324. PMID: 22450260, DOI: 10.1016/j.physbeh.2012.03.009.Peer-Reviewed Original ResearchConceptsSmoking cuesOrbital frontal cortexNeutral cuesFood cuesVisual foodBlood oxygen level-dependent (BOLD) responseBrain regionsSimilar brain regionsBilateral orbital frontal cortexActivation likelihood estimationFrontal cortexFunctional MRI studyLevel-dependent responsesBrain imaging studiesNeuro-imaging studiesDrug cuesImaging studiesInsula activationSubjective cravingConditioned cuesIncentive salienceBrain responsesBilateral insulaBrain networksLeft amygdala