2024
L-type calcium channel regulation of depression, anxiety and anhedonia-related behavioral phenotypes following chronic stress exposure
Nunes E, Kebede N, Rajadhyaksha A, Addy N. L-type calcium channel regulation of depression, anxiety and anhedonia-related behavioral phenotypes following chronic stress exposure. Neuropharmacology 2024, 257: 110031. PMID: 38871116, PMCID: PMC11334593, DOI: 10.1016/j.neuropharm.2024.110031.Peer-Reviewed Original ResearchChronic unpredictable stressHome cage controlsElevated plus mazeForced swim testSucrose preference testCUS-induced decreaseChronic stress exposureImmobility timeStress exposureL-type calcium channelsDays of chronic unpredictable stressAnxiogenic-like behavioral responsesForced swim test immobility timeBehavioral responsesPre-existing mental health challengesAntidepressant-like responseOpen arm timeMood-related disordersRegulation of depressionExposure to chronic stressorsMale ratsL-type calcium channel blocker isradipineArm timePlus mazeSucrose preference
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 ResearchConceptsL-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