2021
microRNA-33 maintains adaptive thermogenesis via enhanced sympathetic nerve activity
Horie T, Nakao T, Miyasaka Y, Nishino T, Matsumura S, Nakazeki F, Ide Y, Kimura M, Tsuji S, Rodriguez RR, Watanabe T, Yamasaki T, Xu S, Otani C, Miyagawa S, Matsushita K, Sowa N, Omori A, Tanaka J, Nishimura C, Nishiga M, Kuwabara Y, Baba O, Watanabe S, Nishi H, Nakashima Y, Picciotto MR, Inoue H, Watanabe D, Nakamura K, Sasaki T, Kimura T, Ono K. microRNA-33 maintains adaptive thermogenesis via enhanced sympathetic nerve activity. Nature Communications 2021, 12: 843. PMID: 33594062, PMCID: PMC7886914, DOI: 10.1038/s41467-021-21107-5.Peer-Reviewed Original ResearchConceptsSympathetic nerve activityAdaptive thermogenesisNerve activityCre miceMiR-33Brown adipose tissue thermogenesisDBH-positive neuronsMiR-33 levelsGABAergic inhibitory neurotransmissionSympathetic nerve toneCentral neural circuitsAdipose tissue thermogenesisGamma-aminobutyric acidDBH-positive cellsMiR-33 deficiencyWhole-body metabolismCold-induced thermogenesisInhibitory neurotransmissionBAT thermogenesisTissue thermogenesisReceptor subunit genesNeural circuitsAdaptive defense mechanismsThermogenesisMice
2009
Localized low‐level re‐expression of high‐affinity mesolimbic nicotinic acetylcholine receptors restores nicotine‐induced locomotion but not place conditioning
Mineur YS, Brunzell DH, Grady SR, Lindstrom JM, McIntosh JM, Marks MJ, King SL, Picciotto MR. Localized low‐level re‐expression of high‐affinity mesolimbic nicotinic acetylcholine receptors restores nicotine‐induced locomotion but not place conditioning. Genes Brain & Behavior 2009, 8: 257-266. PMID: 19077117, PMCID: PMC2672109, DOI: 10.1111/j.1601-183x.2008.00468.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsConditioning, PsychologicalCyclic AMP Response Element-Binding ProteinDopamineGamma-Aminobutyric AcidGene Expression RegulationLocomotionMiceMice, Inbred C57BLMice, TransgenicNicotineNicotinic AgonistsPhosphorylationPresynaptic TerminalsReceptors, NicotinicRewardSynaptosomesTobacco Use DisorderVentral Tegmental AreaConceptsVentral tegmental areaGamma-aminobutyric acidNicotinic acetylcholine receptorsCyclic AMP response element binding proteinTegmental areaPlace preferenceTransgenic miceAcetylcholine receptorsBeta2 knockout micePedunculopontine tegmental areaSystemic nicotine administrationHigh-affinity nAChRsLaterodorsal tegmental nucleusNicotine place preferenceNicotinic partial agonistPlace preference testingDifferent neuronal subtypesAMP response element binding proteinTotal CREB levelsResponse element-binding proteinDA neuronsCholinergic neuronsNicotine administrationSystemic nicotineSmoking cessation
1998
Pharmacological characterization of nicotinic receptor-stimulated GABA release from mouse brain synaptosomes.
Lu Y, Grady S, Marks M, Picciotto M, Changeux J, Collins A. Pharmacological characterization of nicotinic receptor-stimulated GABA release from mouse brain synaptosomes. Journal Of Pharmacology And Experimental Therapeutics 1998, 287: 648-57. PMID: 9808692.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidGABA releaseMouse brain synaptosomesBrain synaptosomesNicotinic agonistsNicotine bindingBeta2 null mutant miceNull mutant miceRecent electrophysiological studiesRodent brain tissueConcentration-dependent mannerAgonist inhibitionAlpha-BungarotoxinNeurochemical approachesPharmacological characterizationNM tetrodotoxinElectrophysiological studiesSame agonistBrain regionsBrain tissueMutant miceAgonistsEmax valuesBeta2 subunitMaximal release