2014
Leptin signaling in astrocytes regulates hypothalamic neuronal circuits and feeding
Kim JG, Suyama S, Koch M, Jin S, Argente-Arizon P, Argente J, Liu ZW, Zimmer MR, Jeong JK, Szigeti-Buck K, Gao Y, Garcia-Caceres C, Yi CX, Salmaso N, Vaccarino FM, Chowen J, Diano S, Dietrich MO, Tschöp MH, Horvath TL. Leptin signaling in astrocytes regulates hypothalamic neuronal circuits and feeding. Nature Neuroscience 2014, 17: 908-910. PMID: 24880214, PMCID: PMC4113214, DOI: 10.1038/nn.3725.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAstrocytesCell CountEatingExcitatory Postsynaptic PotentialsGlial Fibrillary Acidic ProteinHypothalamusImmunohistochemistryIn Situ HybridizationLeptinMaleMelanocortinsMiceMice, KnockoutMicroscopy, ElectronNerve NetNeuronsPrimary Cell CulturePro-OpiomelanocortinPulmonary Gas ExchangeReal-Time Polymerase Chain ReactionRNA, MessengerSignal Transduction
2010
Corticosterone Regulates Synaptic Input Organization of POMC and NPY/AgRP Neurons in Adult Mice
Gyengesi E, Liu ZW, D'Agostino G, Gan G, Horvath TL, Gao XB, Diano S. Corticosterone Regulates Synaptic Input Organization of POMC and NPY/AgRP Neurons in Adult Mice. Endocrinology 2010, 151: 5395-5402. PMID: 20843996, PMCID: PMC2954711, DOI: 10.1210/en.2010-0681.Peer-Reviewed Original ResearchConceptsNPY/AgRP neuronsSynaptic input organizationSham-operated controlsAgRP neuronsADX miceCorticosterone replacementNeuropeptide YArcuate nucleusSynaptic arrangementsInput organizationPair-fed control animalsPutative excitatory synapsesPutative inhibitory synapsesHypothalamic arcuate nucleusEffects of adrenalectomySham-operated animalsNumber of synapsesPOMC neuronsProtein (AgRP) neuronsOrexigenic actionMembrane potentialSynaptic analysisInhibitory synapsesExcitatory synapsesFood intake