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
2018
The L-type calcium channel blocker, isradipine, attenuates cue-induced cocaine-seeking by enhancing dopaminergic activity in the ventral tegmental area to nucleus accumbens pathway
Addy NA, Nunes EJ, Hughley SM, Small KM, Baracz SJ, Haight JL, Rajadhyaksha AM. The L-type calcium channel blocker, isradipine, attenuates cue-induced cocaine-seeking by enhancing dopaminergic activity in the ventral tegmental area to nucleus accumbens pathway. Neuropsychopharmacology 2018, 43: 2361-2372. PMID: 29773910, PMCID: PMC6180103, DOI: 10.1038/s41386-018-0080-2.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcium Channel BlockersCalcium Channels, L-TypeCocaineCuesDopamineDrug-Seeking BehaviorIsradipineMaleNucleus AccumbensRatsRats, Sprague-DawleyVentral Tegmental AreaConceptsL-type calcium channelsCocaine relapseLever depressionVentral tegmental areaCocaine self-administration trainingOriginal training contextLight cue presentationSelf-administration trainingSubjective effectsCocaine-seeking behaviorTegmental areaBehavioral effectsCocaine's subjective effectsL-type calcium channel blockerCue presentationMale Sprague-Dawley ratsTraining contextCocaine cuesNucleus accumbens coreNatural rewardsDA receptor activationCalcium channel blockersSprague-Dawley ratsPhasic dopaminePotential therapeutic target
2017
Enhancing VTA Cav1.3 L-type Ca2+ channel activity promotes cocaine and mood-related behaviors via overlapping AMPA receptor mechanisms in the nucleus accumbens
Martínez-Rivera A, Hao J, Tropea TF, Giordano TP, Kosovsky M, Rice RC, Lee A, Huganir RL, Striessnig J, Addy NA, Han S, Rajadhyaksha AM. Enhancing VTA Cav1.3 L-type Ca2+ channel activity promotes cocaine and mood-related behaviors via overlapping AMPA receptor mechanisms in the nucleus accumbens. Molecular Psychiatry 2017, 22: 1735-1745. PMID: 28194001, PMCID: PMC5555837, DOI: 10.1038/mp.2017.9.Peer-Reviewed Original ResearchMeSH KeywordsAffectAnimalsCalcium Channels, L-TypeCocaineCocaine-Related DisordersConditioning, PsychologicalDepressionDisease Models, AnimalDopamine Uptake InhibitorsGenetic Association StudiesHumansMaleMice, Inbred C57BLMice, TransgenicMotor ActivityNucleus AccumbensPost-Synaptic DensityReceptors, AMPASocial BehaviorVentral Tegmental AreaConceptsDepressive-like behaviorCav1.3 L-type Ca2L-type Ca2Receptor mechanismsCalcium-permeable α-aminoCACNA1D geneCav1.3 channelsRole of Cav1.3Depressive-like phenotypeMood-related behaviorsDepression-related phenotypesSocial behavioral deficitsNeuropsychiatric symptomsBehavioral deficitsMood disordersCP-AMPARNAc shellRodent studiesGluA1 phosphorylationHuman studiesNAc corePlace preferenceBipolar disorderPsychomotor activityCav1.3