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 ResearchMeSH KeywordsAcetylcholineAnimalsDopamineFemaleMaleNucleus AccumbensPhysostigmineRatsRats, Sprague-DawleyReceptor, Muscarinic M5Ventral Tegmental AreaConceptsNucleus 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
2022
L-type calcium channel regulation of dopamine activity in the ventral tegmental area to nucleus accumbens pathway: Implications for substance use, mood disorders and co-morbidities
Nunes E, Addy N. L-type calcium channel regulation of dopamine activity in the ventral tegmental area to nucleus accumbens pathway: Implications for substance use, mood disorders and co-morbidities. Neuropharmacology 2022, 224: 109336. PMID: 36414149, PMCID: PMC11215796, DOI: 10.1016/j.neuropharm.2022.109336.Peer-Reviewed Original ResearchMeSH KeywordsCalcium Channel BlockersCalcium Channels, L-TypeDopamineHumansMood DisordersMorbidityNucleus AccumbensSubstance-Related DisordersVentral Tegmental AreaConceptsL-type calcium channelsVentral tegmental areaPre-clinical modelsTegmental areaSubstance useLTCC blockersMood disordersCalcium channelsCo-morbid psychiatric diagnosesDA neuronal activityVoltage-gated calcium channelsMood-related behaviorsSubstance use disordersCalcium channel regulationStress-induced plasticityAccumbens pathwayCardiac medicationsDopamine neuronsLTCC subtypesNeuronal activityNeuronal firingUse disordersPsychiatric diagnosisCalcium entryDopamine activity