2020
Circulating 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
2017
Integration of Sweet Taste and Metabolism Determines Carbohydrate Reward
Veldhuizen MG, Babbs RK, Patel B, Fobbs W, Kroemer NB, Garcia E, Yeomans MR, Small DM. Integration of Sweet Taste and Metabolism Determines Carbohydrate Reward. Current Biology 2017, 27: 2476-2485.e6. PMID: 28803868, PMCID: PMC5745144, DOI: 10.1016/j.cub.2017.07.018.Peer-Reviewed Original ResearchConceptsCaloric loadGreater metabolic responseNon-linear associationMetabolic responseSugar-sweetened beveragesBrain responsesLow-calorie beveragesHigh-calorie beveragesNon-nutritive sweetenersGreater brain responsePost-ingestive signalsHuman studiesSweet tasteNutrient metabolismCarbohydrate metabolismNovel mechanismBeveragesPotencyAssociationMetabolismCarbohydrate rewards