Ghrelin Enhances Olfactory Sensitivity and Exploratory Sniffing in Rodents and Humans
Tong J, Mannea E, Aimé P, Pfluger PT, Yi CX, Castaneda TR, Davis HW, Ren X, Pixley S, Benoit S, Julliard K, Woods SC, Horvath TL, Sleeman MM, D'Alessio D, Obici S, Frank R, Tschöp MH. Ghrelin Enhances Olfactory Sensitivity and Exploratory Sniffing in Rodents and Humans. Journal Of Neuroscience 2011, 31: 5841-5846. PMID: 21490225, PMCID: PMC3089941, DOI: 10.1523/jneurosci.5680-10.2011.Peer-Reviewed Original ResearchConceptsExploratory sniffingAppetite-stimulating hormone ghrelinOlfactory sensitivityOverall functionGhrelin infusionIntracerebroventricular ghrelinGhrelin receptorHormone ghrelinSaline infusionOlfactory functionNeuroendocrine circuitsGhrelinUnderlying neural mechanismsEnergy homeostasisOdor detectionOlfactory processingOlfactory circuitFood seekingNeural mechanismsSniff magnitudeInfusionNovel roleOlfactory detectionSniffingSpecific effectsGhrelin-induced hypothermia: A physiological basis but no clinical risk
Wiedmer P, Strasser F, Horvath TL, Blum D, DiMarchi R, Lutz T, Schürmann A, Joost HG, Tschöp MH, Tong J. Ghrelin-induced hypothermia: A physiological basis but no clinical risk. Physiology & Behavior 2011, 105: 43-51. PMID: 21513721, PMCID: PMC3146973, DOI: 10.1016/j.physbeh.2011.03.027.Peer-Reviewed Original ResearchConceptsGhrelin treatmentBody temperatureApplication of ghrelinMedial preoptic areaPotential anatomical basisCold-sensitive neuronsGhrelin infusionBody core temperatureChronic i.Positive energy balanceGhrelin receptorPreoptic areaAxon terminalsClinical riskFood intakeGhrelinHealthy humansSerious hypothermiaMale subjectsPhysiologic circumstancesAnatomical basisHypothermiaCold exposureRelevant decreaseEnergy expenditure