2017
DRP1 Suppresses Leptin and Glucose Sensing of POMC Neurons
Santoro A, Campolo M, Liu C, Sesaki H, Meli R, Liu ZW, Kim JD, Diano S. DRP1 Suppresses Leptin and Glucose Sensing of POMC Neurons. Cell Metabolism 2017, 25: 647-660. PMID: 28190775, PMCID: PMC5366041, DOI: 10.1016/j.cmet.2017.01.003.Peer-Reviewed Original ResearchConceptsPeroxisome proliferator-activated receptorPOMC neuronsLeptin sensitivityHypothalamic pro-opiomelanocortin (POMC) neuronsPro-opiomelanocortin (POMC) neuronsCounter-regulatory responseProliferator-activated receptorMitochondrial sizeFed miceGlucoprivic stimuliNeuronal activationFl/Glucose metabolismMetabolic environmentNeuronsFasted animalsIntracellular mechanismsReduced expressionGlucose responsivenessGreater activationInducible deletionROS productionMiceStrong inhibitionMitochondrial fission regulator
2008
UCP2 mediates ghrelin’s action on NPY/AgRP neurons by lowering free radicals
Andrews ZB, Liu ZW, Walllingford N, Erion DM, Borok E, Friedman JM, Tschöp MH, Shanabrough M, Cline G, Shulman GI, Coppola A, Gao XB, Horvath TL, Diano S. UCP2 mediates ghrelin’s action on NPY/AgRP neurons by lowering free radicals. Nature 2008, 454: 846-851. PMID: 18668043, PMCID: PMC4101536, DOI: 10.1038/nature07181.Peer-Reviewed Original ResearchMeSH KeywordsAgouti-Related ProteinAnimalsCarnitine O-PalmitoyltransferaseFatty AcidsFeeding BehaviorGene Expression RegulationGhrelinHypothalamusIon ChannelsMembrane Potential, MitochondrialMiceMitochondriaMitochondrial ProteinsNeuronsNeuropeptide YPhosphorylationReactive Oxygen SpeciesSynapsesUncoupling Protein 2ConceptsNPY/AgRP neuronsAgRP neuronsNeuronal activityCo-express neuropeptide YGut-derived hormone ghrelinAgRP neuronal activityArcuate nucleus neuronsFatty acid oxidation pathwayHypothalamic mitochondrial respirationG protein-coupled receptorsGhrelin actionNeuropeptide YNucleus neuronsHormone ghrelinFood intakeGhrelinFree radicalsSynaptic plasticityNeuronal functionIntracellular mechanismsNeuronsMitochondrial mechanismsProtein 2Mitochondrial proliferationRobust changes