2015
Hypothalamic POMC neurons promote cannabinoid-induced feeding
Koch M, Varela L, Kim JG, Kim JD, Hernández-Nuño F, Simonds SE, Castorena CM, Vianna CR, Elmquist JK, Morozov YM, Rakic P, Bechmann I, Cowley MA, Szigeti-Buck K, Dietrich MO, Gao XB, Diano S, Horvath TL. Hypothalamic POMC neurons promote cannabinoid-induced feeding. Nature 2015, 519: 45-50. PMID: 25707796, PMCID: PMC4496586, DOI: 10.1038/nature14260.Peer-Reviewed Original ResearchConceptsPOMC neuronsΒ-endorphinHypothalamic pro-opiomelanocortin (POMC) neuronsOpioid peptide β-endorphinHypothalamic POMC neuronsPromotion of feedingPro-opiomelanocortin (POMC) neuronsCannabinoid receptor 1CB1R activityPOMC activitySated miceHormone releaseHypothalamic administrationFood intakeCentral regulationNeuronal activityParadoxical increaseCB1RReceptor 1POMC cellsNeuronsMitochondrial adaptationsDecreased activityPOMC geneUnsuspected role
2010
Synaptic input organization of the melanocortin system predicts diet-induced hypothalamic reactive gliosis and obesity
Horvath TL, Sarman B, García-Cáceres C, Enriori PJ, Sotonyi P, Shanabrough M, Borok E, Argente J, Chowen JA, Perez-Tilve D, Pfluger PT, Brönneke HS, Levin BE, Diano S, Cowley MA, Tschöp MH. Synaptic input organization of the melanocortin system predicts diet-induced hypothalamic reactive gliosis and obesity. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 14875-14880. PMID: 20679202, PMCID: PMC2930476, DOI: 10.1073/pnas.1004282107.Peer-Reviewed Original ResearchConceptsHigh-fat dietSynaptic input organizationReactive gliosisPOMC neuronsDIO ratsDR ratsArcuate nucleusMelanocortin systemPOMC cellsNeuropeptide Y cellsInput organizationLoss of synapsesDiet-induced obesityBlood-brain barrierHFD-fed animalsDIO animalsAnorexigenic proopiomelanocortinGlial ensheathmentSynaptic organizationInhibitory inputsLean ratsDR animalsNeuronal circuitsCell bodiesGliosis
2006
gp130 signaling in proopiomelanocortin neurons mediates the acute anorectic response to centrally applied ciliary neurotrophic factor
Janoschek R, Plum L, Koch L, Münzberg H, Diano S, Shanabrough M, Müller W, Horvath TL, Brüning JC. gp130 signaling in proopiomelanocortin neurons mediates the acute anorectic response to centrally applied ciliary neurotrophic factor. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 10707-10712. PMID: 16818888, PMCID: PMC1502296, DOI: 10.1073/pnas.0600425103.Peer-Reviewed Original ResearchConceptsCiliary neurotrophic factorAnorectic effectPOMC neuronsNeurotrophic factorCNTF actionAcute anorectic responseNormal energy homeostasisHigh-fat dietStress-induced anorexiaC-fos expressionProopiomelanocortin neuronsAnorectic responseHypothalamic neuronsLeptin resistanceFat dietParaventricular nucleusUnaltered numberKnockout micePOMC cellsCommon cytokinesEnergy homeostasisNeuronsSTAT3 phosphorylationExact siteCre-loxP
2000
Mitochondrial Uncoupling Protein 2 (UCP2) in the Nonhuman Primate Brain and Pituitary*This work was supported by NSF Grant IBN-9728581, NIH Grants NS-36111, MH-59847, RR-00163, HD-29186, and HD-37186.
Diano S, Urbanski H, Horvath B, Bechmann I, Kagiya A, Nemeth G, Naftolin F, Warden C, Horvath T. Mitochondrial Uncoupling Protein 2 (UCP2) in the Nonhuman Primate Brain and Pituitary*This work was supported by NSF Grant IBN-9728581, NIH Grants NS-36111, MH-59847, RR-00163, HD-29186, and HD-37186. Endocrinology 2000, 141: 4226-4238. PMID: 11089557, DOI: 10.1210/endo.141.11.7740.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrain ChemistryChlorocebus aethiopsCorticotropin-Releasing HormoneGene ExpressionHypothalamusImmunohistochemistryIn Situ HybridizationIon ChannelsLimbic SystemMacaca fascicularisMacaca mulattaMembrane Transport ProteinsMicroscopy, FluorescenceMitochondrial ProteinsNeuropeptide YOxytocinPituitary GlandPituitary Gland, AnteriorPituitary Gland, PosteriorProteinsRNA, MessengerUncoupling Protein 2VasopressinsConceptsUncoupling protein 2Pituitary glandAnterior lobePrimate brainAxonal processesBrain stem regionsNonhuman primate brainSitu hybridization histochemistryMessenger RNACentral autonomicRR-00163Mitochondrial uncoupling protein 2Neuropeptide YPrimate hypothalamusAnterior pituitaryMetabolic disordersRodent brainPosterior lobeHybridization histochemistryPOMC cellsCell bodiesUCP2 expressionRodent dataNovel targetBrainMitochondrial Uncoupling Protein 2 (UCP2) in the Nonhuman Primate Brain and Pituitary**This work was supported by NSF Grant IBN-9728581, NIH Grants NS-36111, MH-59847, RR-00163, HD-29186, and HD-37186.
Diano S, Urbanski H, Horvath B, Bechmann I, Kagiya A, Nemeth G, Naftolin F, Warden C, Horvath T. Mitochondrial Uncoupling Protein 2 (UCP2) in the Nonhuman Primate Brain and Pituitary**This work was supported by NSF Grant IBN-9728581, NIH Grants NS-36111, MH-59847, RR-00163, HD-29186, and HD-37186. Endocrinology 2000, 141: 4226-4238. DOI: 10.1210/en.141.11.4226.Peer-Reviewed Original ResearchUncoupling protein 2Pituitary glandPrimate brainIn situ hybridization histochemistryMitochondrial uncoupling protein 2Mitochondrial uncoupling proteinMessenger RNAGH-producing cellsNonhuman primate brainTreatment of metabolic disordersBrain stem regionsUncoupling protein 2 expressionAxonal processesRegulatory componentsUncoupling proteinPrimate hypothalamusPOMC cellsMetabolic regulationArcuate nucleusHybridization histochemistryAnterior pituitaryMitochondrial oxidationStem regionNeuropeptide YPeptide expression