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
2009
Prolylcarboxypeptidase regulates food intake by inactivating α-MSH in rodents
Wallingford N, Perroud B, Gao Q, Coppola A, Gyengesi E, Liu ZW, Gao XB, Diament A, Haus KA, Shariat-Madar Z, Mahdi F, Wardlaw SL, Schmaier AH, Warden CH, Diano S. Prolylcarboxypeptidase regulates food intake by inactivating α-MSH in rodents. Journal Of Clinical Investigation 2009, 119: 2291-2303. PMID: 19620781, PMCID: PMC2719925, DOI: 10.1172/jci37209.Peer-Reviewed Original ResearchConceptsFood intakeHigh-fat diet-induced obesityReduced body fatRegular chow dietDiet-induced obesityPRCP activityWild-type controlsChow dietMelanocortin signalingObese miceWeight maintenanceReal-time PCRAxon terminalsBody fatNeuronal populationsΑ-MSHBrain tissueMRNA expressionMouse strainsSmall molecule protease inhibitorsElevated levelsVivo activityProlylcarboxypeptidaseProtease inhibitorsHypothalamus