2009
A Serotonin-Dependent Mechanism Explains the Leptin Regulation of Bone Mass, Appetite, and Energy Expenditure
Yadav VK, Oury F, Suda N, Liu ZW, Gao XB, Confavreux C, Klemenhagen KC, Tanaka KF, Gingrich JA, Guo XE, Tecott LH, Mann JJ, Hen R, Horvath TL, Karsenty G. A Serotonin-Dependent Mechanism Explains the Leptin Regulation of Bone Mass, Appetite, and Energy Expenditure. Cell 2009, 138: 976-989. PMID: 19737523, PMCID: PMC2768582, DOI: 10.1016/j.cell.2009.06.051.Peer-Reviewed Original ResearchMeSH KeywordsAppetiteBone DensityBrain StemEnergy MetabolismHypothalamusLeptinReceptors, LeptinSerotoninSignal TransductionConceptsSerotonergic neuronsHypothalamic neuronsBone massEnergy expenditureVentromedial hypothalamic neuronsBone mass accrualSerotonin-dependent mechanismRegulation of appetiteEnergy expenditure phenotypesSpecific hypothalamic neuronsHtr2c receptorLeptin deficiencyArcuate neuronsLeptin inhibitionSerotonin synthesisLeptin receptorLeptin regulationLeptinNeuronsAppetiteReceptorsEnergy metabolismBrainBoneMolecular basis
2006
Leptin Receptor Signaling in Midbrain Dopamine Neurons Regulates Feeding
Hommel JD, Trinko R, Sears RM, Georgescu D, Liu ZW, Gao XB, Thurmon JJ, Marinelli M, DiLeone RJ. Leptin Receptor Signaling in Midbrain Dopamine Neurons Regulates Feeding. Neuron 2006, 51: 801-810. PMID: 16982424, DOI: 10.1016/j.neuron.2006.08.023.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsDopamineEatingFeeding BehaviorGene ExpressionIn Situ Hybridization, FluorescenceIn Vitro TechniquesInfusions, IntravenousLeptinMesencephalonMiceMice, Inbred C57BLMotor ActivityNeuronsPhosphorylationRatsRats, Sprague-DawleyReceptors, Cell SurfaceReceptors, LeptinRNA InterferenceRNA, MessengerSignal TransductionSTAT3 Transcription FactorVentral Tegmental AreaConceptsVentral tegmental areaVTA dopamine neuronsDopamine neuronsFood intakePeripheral metabolic signalsNormal food intakeMidbrain dopamine neuronsLeptin receptor signalingLeptin hormoneTegmental areaLEPR expressionLeptin receptor functionLocomotor activityPalatable foodDirect administrationReceptor functionFiring rateReceptor signalingDirect actionNeuronsLEPR mRNAFunctional evidenceLeptinRNAi-mediated knockdownMetabolic signals