Cannabinoids Excite Hypothalamic Melanin-Concentrating Hormone But Inhibit Hypocretin/Orexin Neurons: Implications for Cannabinoid Actions on Food Intake and Cognitive Arousal
Huang H, Acuna-Goycolea C, Li Y, Cheng HM, Obrietan K, van den Pol AN. Cannabinoids Excite Hypothalamic Melanin-Concentrating Hormone But Inhibit Hypocretin/Orexin Neurons: Implications for Cannabinoid Actions on Food Intake and Cognitive Arousal. Journal Of Neuroscience 2007, 27: 4870-4881. PMID: 17475795, PMCID: PMC6672093, DOI: 10.1523/jneurosci.0732-07.2007.Peer-Reviewed Original ResearchConceptsMelanin-concentrating hormoneHypocretin neuronsMCH cellsCannabinoid actionGreen fluorescent protein-expressing transgenic miceSpike frequencyIonotropic glutamate receptor antagonistsHypocretin/orexin neuronsLocal inhibitory cellsReceptor agonist RSynaptic GABA releaseReceptor antagonist bicucullineGlutamate receptor antagonistsPatch-clamp recordingsGlutamatergic currentsNaphthalenylmethanone mesylatePresynaptic attenuationMiniature IPSCsMCH neuronsAgonist RAntagonist bicucullineGABA releaseOrexin neuronsPostsynaptic effectsSpontaneous IPSCs