2023
Ventral tegmental area M5 muscarinic receptors mediate effort-choice responding and nucleus accumbens dopamine in a sex-specific manner
Nunes E, Kebede N, Haight J, Foster D, Lindsley C, Conn P, Addy N. Ventral tegmental area M5 muscarinic receptors mediate effort-choice responding and nucleus accumbens dopamine in a sex-specific manner. Journal Of Pharmacology And Experimental Therapeutics 2023, 385: jpet-ar-2022-001438. PMID: 36828630, PMCID: PMC10108441, DOI: 10.1124/jpet.122.001438.Peer-Reviewed Original ResearchConceptsNucleus accumbens coreVentral tegmental areaM5 receptorsDA releaseMale ratsVTA infusionsDepressive disorderNucleus accumbensMuscarinic M5 receptorsSelective negative allosteric modulatorM5 muscarinic receptorsNegative allosteric modulatorsEffort-related choicePhasic DA releasePotential sex differencesSex-specific mannerACh toneVTA administrationCholinergic effectsMuscarinic receptorsFemale ratsTegmental areaPreclinical modelsDopamine releaseTherapeutic target
2002
Hippocampal α7 and α4β2 nicotinic receptors and working memory
Levin E, Bradley A, Addy N, Sigurani N. Hippocampal α7 and α4β2 nicotinic receptors and working memory. Neuroscience 2002, 109: 757-765. PMID: 11927157, DOI: 10.1016/s0306-4522(01)00538-3.Peer-Reviewed Original ResearchConceptsDH beta EAlpha 7 nicotinic receptorAlpha 4 beta 2Ventral hippocampusNicotinic receptorsLow dosesBeta EReference memory errorsCounter-balanced orderRadial mazeHigh dosesAdult female Sprague-Dawley ratsFemale Sprague-Dawley ratsNicotine-induced memory improvementAcute intrahippocampal infusionsVentral hippocampal infusionsBeta 2Nicotinic receptor blockadeNicotinic receptor agonistsSprague-Dawley ratsΑ4β2 nicotinic receptorsSignificant increaseChronic guide cannulaeHippocampal α7Nicotinic involvement