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
2018
Hypothalamic CNTF volume transmission shapes cortical noradrenergic excitability upon acute stress
Alpár A, Zahola P, Hanics J, Hevesi Z, Korchynska S, Benevento M, Pifl C, Zachar G, Perugini J, Severi I, Leitgeb P, Bakker J, Miklosi AG, Tretiakov E, Keimpema E, Arque G, Tasan RO, Sperk G, Malenczyk K, Máté Z, Erdélyi F, Szabó G, Lubec G, Palkovits M, Giordano A, Hökfelt TG, Romanov RA, Horvath TL, Harkany T. Hypothalamic CNTF volume transmission shapes cortical noradrenergic excitability upon acute stress. The EMBO Journal 2018, 37: embj2018100087. PMID: 30209240, PMCID: PMC6213283, DOI: 10.15252/embj.2018100087.Peer-Reviewed Original ResearchConceptsHypothalamic activationVolume transmissionAcute stressNeurotrophic factor releaseNorepinephrinergic neuronsNoradrenergic neuronsCortical excitabilityMultimodal pathwaysNoradrenaline synthesisLocus coeruleusNeuronal excitationExtracellular signal-regulated kinases 1Norepinephrine synthesisTyrosine hydroxylaseEpendymal cellsSignal-regulated kinases 1ExcitabilityPrefrontal cortexFactor releaseCognate receptorsNeuronsHuman brainKinase 1CNTFActivation
2004
Interaction between the Corticotropin-Releasing Factor System and Hypocretins (Orexins): A Novel Circuit Mediating Stress Response
Winsky-Sommerer R, Yamanaka A, Diano S, Borok E, Roberts AJ, Sakurai T, Kilduff TS, Horvath TL, de Lecea L. Interaction between the Corticotropin-Releasing Factor System and Hypocretins (Orexins): A Novel Circuit Mediating Stress Response. Journal Of Neuroscience 2004, 24: 11439-11448. PMID: 15601950, PMCID: PMC6730356, DOI: 10.1523/jneurosci.3459-04.2004.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsArousalBrainBrain ChemistryCorticotropin-Releasing HormoneFemaleHypothalamusImmunohistochemistryIn Vitro TechniquesIntracellular Signaling Peptides and ProteinsMaleMembrane PotentialsMiceMice, KnockoutNeural PathwaysNeuronsNeuropeptidesOrexin ReceptorsOrexinsReceptors, Corticotropin-Releasing HormoneReceptors, G-Protein-CoupledReceptors, NeuropeptideRecombinant Fusion ProteinsStress, PhysiologicalConceptsCorticotropin-releasing factorHypocretinergic neuronsHypocretin neuronsCorticotropin-Releasing Factor SystemCRF-immunoreactive terminalsHypocretin-expressing neuronsRelease of hypocretinsStability of arousalMaintenance of arousalHypocretinergic cellsHypothalamic slicesLateral hypothalamusAntagonist astressinHypocretinergic systemNeuropeptide hypocretinStressor stimuliPeptidergic systemsAcute stressHypocretinNeuronsStress responseFactor systemMembrane potentialPhysiological inputsActivation