2020
Impaired hypocretin/orexin system alters responses to salient stimuli in obese male mice
Tan Y, Hang F, Liu ZW, Stoiljkovic M, Wu M, Tu Y, Han W, Lee AM, Kelley C, Hajos M, Lu L, de Lecea L, de Araujo I, Picciotto M, Horvath TL, Gao XB. Impaired hypocretin/orexin system alters responses to salient stimuli in obese male mice. Journal Of Clinical Investigation 2020, 130: 4985-4998. PMID: 32516139, PMCID: PMC7456212, DOI: 10.1172/jci130889.Peer-Reviewed Original ResearchConceptsHcrt cellsObese miceDiet-induced obese miceObese male miceExcessive energy intakeNeuropeptide hypocretin/orexinHypocretin/orexinHcrt neuronsMale miceHcrt systemClinical studiesCommon causeSynaptic transmissionObese animalsEnergy intakeAcute stressCognitive functionSalient stimuliAlters responsesExact mechanismMiceHomeostatic regulationNeuronal networksBehavioral changesNeurons
2005
Input organization and plasticity of hypocretin neurons Possible clues to obesity’s association with insomnia
Horvath TL, Gao XB. Input organization and plasticity of hypocretin neurons Possible clues to obesity’s association with insomnia. Cell Metabolism 2005, 1: 279-286. PMID: 16054072, DOI: 10.1016/j.cmet.2005.03.003.Peer-Reviewed Original ResearchConceptsHypocretin neuronsSynaptic currentsHypothalamic hypocretin neuronsMore excitatory synapsesOvernight food deprivationElevated food intakeExcitatory synaptic currentsControl of arousalCause of narcolepsyStress-induced plasticityHypocretin levelsLeptin administrationHypocretin cellsHypocretin signalingMetabolic disturbancesObesity associationSynaptic organizationExcitatory synapsesFood intakeInhibitory inputsCell bodiesUnderlying causeNeuronsInput organizationFood deprivation