2024
Psilocybin reduces heroin seeking behavior and modulates inflammatory gene expression in the nucleus accumbens and prefrontal cortex of male rats
Floris G, Dabrowski K, Zanda M, Daws S. Psilocybin reduces heroin seeking behavior and modulates inflammatory gene expression in the nucleus accumbens and prefrontal cortex of male rats. Molecular Psychiatry 2024, 1-16. PMID: 39433903, DOI: 10.1038/s41380-024-02788-y.Peer-Reviewed Original ResearchPrefrontal cortexHeroin seekingHeroin relapseDrug seekingSelf-administrationPrefrontal cortex of male ratsPrefrontal cortex of animalsCortex of male ratsHeroin self-administrationHeroin-seeking behaviorDrug-naive ratsOpioid-seeking behaviorSerotonin 2A receptorEfficacy of psilocybinAlcohol seekingHeroin takingForced abstinenceNucleus accumbensRelapse testRelapse behaviorIL-17AMaladaptive behaviorsPsychedelic compoundsAntagonist ketanserinPsilocybinThe sinking platform test: a novel paradigm to measure persistence in animal models
Floris G, Godar S, Braccagni G, Piras I, Ravens A, Zanda M, Huentelman M, Bortolato M. The sinking platform test: a novel paradigm to measure persistence in animal models. Neuropsychopharmacology 2024, 49: 1373-1382. PMID: 38396257, PMCID: PMC11251282, DOI: 10.1038/s41386-024-01827-0.Peer-Reviewed Original ResearchConceptsChronic administration of fluoxetinePrefrontal cortex of miceWeeks of social isolationAdministration of fluoxetineMeasure persistenceGoal-directed actionsSocially isolated miceMitigate depression riskCortex of micePlatform testVoluntary wheel runningChronic haloperidolPrefrontal cortexTemperamental traitsImipramine treatmentNeurobiological foundationsBehavioral tasksChronic stressChronic administrationImmediate-early genesFailure TrialWheel runningDepression riskAnimal modelsNovel interventions
2023
MicroRNA-mediated translational pathways are regulated in the orbitofrontal cortex and peripheral blood samples during acute abstinence from heroin self-administration
Zanda M, Saikali L, Morris P, Daws S. MicroRNA-mediated translational pathways are regulated in the orbitofrontal cortex and peripheral blood samples during acute abstinence from heroin self-administration. Advances In Drug And Alcohol Research 2023, 3: 11668. PMID: 38389822, PMCID: PMC10880771, DOI: 10.3389/adar.2023.11668.Peer-Reviewed Original ResearchHeroin self-administrationOrbitofrontal cortexSelf-administrationDays of forced abstinenceRegulating drug-seeking behaviorSucrose self-administrationDrug-seeking behaviorChronic drug exposureAdult male ratsPeripheral blood samplesHeroin infusionsHeroin seekingMolecular neuroadaptationsForced abstinenceAcute abstinenceNeurobiological consequencesOpioid heroinOpioid misuseHeroinMale ratsSelf-administeredSeeking behaviorAbstinenceBlood samplesOpioid exposureOrbitofrontal cortex microRNAs support long-lasting heroin seeking behavior in male rats
Zanda M, Floris G, Daws S. Orbitofrontal cortex microRNAs support long-lasting heroin seeking behavior in male rats. Translational Psychiatry 2023, 13: 117. PMID: 37031193, PMCID: PMC10082780, DOI: 10.1038/s41398-023-02423-4.Peer-Reviewed Original ResearchConceptsOpioid use disorderOrbitofrontal cortexHL animalsHeroin seekingDrug cravingSelf-administer heroinLong-term heroinMaintenance of abstinenceDrug seeking behaviorOpioid useHeroin cravingMale ratsPreclinical studiesUse disordersDrug useExposure paradigmBrain regionsAbstinence periodAbstinenceHeroinDrug cuesSeeking behaviourLow dosageCravingProteomic analysis
2022
Increased Voluntary Alcohol Consumption in Mice Lacking GABAB(1) Is Associated With Functional Changes in Hippocampal GABAA Receptors
Floris G, Asuni G, Talani G, Biggio F, Pisu M, Zanda M, Contu L, Maciocco E, Serra M, Follesa P. Increased Voluntary Alcohol Consumption in Mice Lacking GABAB(1) Is Associated With Functional Changes in Hippocampal GABAA Receptors. Frontiers In Behavioral Neuroscience 2022, 16: 893835. PMID: 35755407, PMCID: PMC9218813, DOI: 10.3389/fnbeh.2022.893835.Peer-Reviewed Original ResearchVoluntary alcohol consumptionAssociated with functional changesBlood alcohol concentrationAlcohol consumptionIncrease voluntary alcohol consumptionHippocampal GABA<sub>A</KO miceAlcohol drinking behaviorAlcohol drinkingAlcohol use disorderResponse to alcoholExcessive alcohol drinkingAcute alcohol administrationNeuroactive steroid levelsHippocampal GABAA receptorsAdministration of alcoholSynaptic GABA<sub>A</High blood alcohol concentrationsIncreased alcohol consumptionInvestigate alcohol consumptionNeurosteroid responseHippocampal levelsUse disorderBrain regionsAlcohol administrationHeroin Regulates Orbitofrontal Circular RNAs
Floris G, Gillespie A, Zanda M, Dabrowski K, Sillivan S. Heroin Regulates Orbitofrontal Circular RNAs. International Journal Of Molecular Sciences 2022, 23: 1453. PMID: 35163373, PMCID: PMC8836038, DOI: 10.3390/ijms23031453.Peer-Reviewed Original ResearchConceptsHeroin self-administrationOrbitofrontal cortexOpioid use disorderNeurobiological adaptationsSelf-administrationSelf-administer sucroseChronic heroin exposureRat orbitofrontal cortexOpioid-seeking behaviorTreat opioid use disorderHeroin exposureUse disorderBrain regionsOpioid heroinBehavioral responsesMale ratsFemale ratsHeroinSeeking behaviorDrug overdose deathsRatsOverdose deathsOpioidRNA splice variantsCortex
2021
Author Correction: Drug-associated cues and drug dosage contribute to increased opioid seeking after abstinence
Zanda M, Floris G, Daws S. Author Correction: Drug-associated cues and drug dosage contribute to increased opioid seeking after abstinence. Scientific Reports 2021, 11: 23910. PMID: 34876654, PMCID: PMC8651718, DOI: 10.1038/s41598-021-03383-9.Peer-Reviewed Original ResearchDrug-associated cues and drug dosage contribute to increased opioid seeking after abstinence
Zanda M, Floris G, Daws S. Drug-associated cues and drug dosage contribute to increased opioid seeking after abstinence. Scientific Reports 2021, 11: 14825. PMID: 34290298, PMCID: PMC8295307, DOI: 10.1038/s41598-021-94214-4.Peer-Reviewed Original ResearchConceptsDrug cuesDrug seekingIncubation of heroin cravingIncubation of opioid cravingDrug self-administration paradigmLow dose of heroinDrug-associated cuesSelf-administration paradigmDoses of heroinDays of abstinenceDrug-taking patternsDrug intake historyHeroin seekingRate of relapseHeroin cravingAbstinence phaseSelf-administrationOpioid cravingOpioid use disorderPromote relapseAbstinence lengthOpioid seekingUse disorderCompletion of rehabilitation programsIntake history
2020
Analysis of Opioid-Seeking Behavior Through the Intravenous Self-Administration Reinstatement Model in Rats
Fattore L, Fadda P, Zanda M, Fratta W. Analysis of Opioid-Seeking Behavior Through the Intravenous Self-Administration Reinstatement Model in Rats. Methods In Molecular Biology 2020, 2201: 231-245. PMID: 32975804, DOI: 10.1007/978-1-0716-0884-5_21.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, IntravenousAnalgesics, OpioidAnimalsBehavior ControlBehavior, AddictiveConditioning, OperantCuesDisease Models, AnimalDrug-Seeking BehaviorHeroinInfusions, IntravenousMaleOpioid-Related DisordersRatsRats, Sprague-DawleyRats, WistarReinforcement, PsychologyRewardSelf AdministrationSubstance-Related DisordersConceptsNeurobiological mechanismsAnimal model of relapseExtinction-reinstatement modelHeroin-seeking behaviorReinstatement animal modelRelapse-like behaviorModel of relapseRelapse to heroinVulnerability to relapseNose poke responsesPanel press responseNonhuman primatesReinstatement modelDrug seekingLever pressOperant respondingDrug abstinenceAddiction researchVulnerability factorsPress responseSubstance useOperant responseAnimal modelsIndividual slipsSelf-administered
2018
Sex and Feeding Status Differently Affect Natural Reward Seeking Behavior in Olfactory Bulbectomized Rats
Ruda-Kucerova J, Zanda M, Amchova P, Fratta W, Fattore L. Sex and Feeding Status Differently Affect Natural Reward Seeking Behavior in Olfactory Bulbectomized Rats. Frontiers In Behavioral Neuroscience 2018, 12: 255. PMID: 30425627, PMCID: PMC6218565, DOI: 10.3389/fnbeh.2018.00255.Peer-Reviewed Original ResearchSchedule of reinforcementPalatable food pelletsOBX ratsOBX lesionOperant respondingSelf-administrationFood pelletsNatural reward-seeking behaviorsIntravenous drug self-administrationSex differencesFood self-administrationDepressive-like phenotypeDrug self-administrationOperant self-administrationReward-seeking behaviorDrug-seeking behaviorRates of comorbidityPotential sex differencesFood restrictionOBX modelFood intakeOlfactory bulbectomyDrug-takingPalatable foodPsychiatric disordersThe novel psychoactive substance methoxetamine induces persistent behavioral abnormalities and neurotoxicity in rats
Costa G, Serra M, Pintori N, Casu M, Zanda M, Murtas D, De Luca M, Simola N, Fattore L. The novel psychoactive substance methoxetamine induces persistent behavioral abnormalities and neurotoxicity in rats. Neuropharmacology 2018, 144: 219-232. PMID: 30366005, DOI: 10.1016/j.neuropharm.2018.10.031.Peer-Reviewed Original ResearchConceptsEffects of methoxetamineElevated plus mazePersistent behavioral abnormalitiesBehavioral effectsPlus mazeLocomotor activityBehavioral abnormalitiesDensity of dopamine transportersLocomotor activity of ratsImpaired non-spatial memoryNovel object recognition testEmission of ultrasonic vocalizationsMedial prefrontal cortexMarble burying testVentral tegmental areaPersistent behavioral effectsNon-spatial memoryNovel object recognitionObject recognition testActivity of ratsNeurotoxic effectsSubstantia nigra pars compactaSerotonergic damageNucleus accumbensBurying testOld and new synthetic cannabinoids: lessons from animal models
Zanda M, Fattore L. Old and new synthetic cannabinoids: lessons from animal models. Drug Metabolism Reviews 2018, 50: 54-64. PMID: 29376443, DOI: 10.1080/03602532.2018.1430824.Peer-Reviewed Original ResearchConceptsSynthetic cannabinoidsCannabinoid agonistsAnimal models of drug addictionConditioned place preference procedureModels of drug addictionPlace preference procedureBrain reward circuitsPositive reinforcing effectsDrug-induced behaviorsSynthetic cannabinoid agonistDelta-9-tetrahydrocannabinolReinstatement modelDrug discriminationReward circuitPreference procedureSelf-administrationAbuse liabilityPsychoactive componentAbuse potentialDrug addictionPsychiatric consequencesBehavioral studiesReinforcing effectsCannabinoidPsychoactive substances
2017
Psychedelics and reconsolidation of traumatic and appetitive maladaptive memories: focus on cannabinoids and ketamine
Fattore L, Piva A, Zanda M, Fumagalli G, Chiamulera C. Psychedelics and reconsolidation of traumatic and appetitive maladaptive memories: focus on cannabinoids and ketamine. Psychopharmacology 2017, 235: 433-445. PMID: 29178010, DOI: 10.1007/s00213-017-4793-4.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderSubstance use disordersMaladaptive memoriesPsychedelic effectsReconsolidation of maladaptive memoriesAppetitive memory reconsolidationMemory reconsolidationMDMA effectsMemory inhibitionReconsolidation processStress disorderKetamine effectsPsychedelic substancesBiobehavioral processesReconsolidationCannabinoidMDMASubstance effectsMemoryPsychedelicsDisordersKetamineClasses of drugsPotential therapeutic effectsPotential therapeutic useMethoxetamine affects brain processing involved in emotional response in rats
Zanda M, Fadda P, Antinori S, Di Chio M, Fratta W, Chiamulera C, Fattore L. Methoxetamine affects brain processing involved in emotional response in rats. British Journal Of Pharmacology 2017, 174: 3333-3345. PMID: 28718892, PMCID: PMC5595753, DOI: 10.1111/bph.13952.Peer-Reviewed Original ResearchConceptsBehaviorally active dosesDecreased social interaction timeMotor activityMedial prefrontal cortexObsessive-compulsive traitsReduced immobility timeSocial interaction timeSelf-grooming behaviorIncreased phosphorylation of ribosomal protein S6Antidepressant effectsImmobility timePrefrontal cortexBehavioral effectsIncreased sociabilitySpatial anxietyAcute administrationBrain processesHigh dosesIncreased swimming activityEmotional responsesDissociative effectsEmotional statesIntermediate dosePsychoactive substancesMethoxetamine
2016
Methoxetamine, a novel psychoactive substance with serious adverse pharmacological effects
Zanda M, Fadda P, Chiamulera C, Fratta W, Fattore L. Methoxetamine, a novel psychoactive substance with serious adverse pharmacological effects. Behavioural Pharmacology 2016, 27: 489-496. PMID: 27128862, DOI: 10.1097/fbp.0000000000000241.Peer-Reviewed Original ResearchConceptsEffects of methoxetamineN-methyl-d-aspartate receptor antagonistic propertiesPsychoactive substancesReceptor antagonist propertiesOccurrence of adverse effectsAdverse pharmacological effectsDopamine neurotransmissionMesolimbic pathwayAntidepressant activityPreclinical dataPreclinical findingsAntagonistic propertiesLong-term effectsPharmacological effectsStimulatory effectMethoxetamineAdverse effectsKetamineLegal highsResearch chemicalsToxicological effectsPhencyclidineDopamineNeurotransmissionIncreasing numberP.2.008 Effect of acute and chronic administration of a new psychoactive drug, methoxetamine, on behaviour, mood and reward
Zanda M, Antinori S, Mutti A, Mancini L, Padovani L, Scherma M, Collu R, Aroni S, Muntoni A, Fratta W, Fadda P, Chiamulera C, Fattore L. P.2.008 Effect of acute and chronic administration of a new psychoactive drug, methoxetamine, on behaviour, mood and reward. European Neuropsychopharmacology 2016, 26: s30-s31. DOI: 10.1016/s0924-977x(16)70034-4.Peer-Reviewed Original Research
2014
Analysis of Opioid-Seeking Reinstatement in the Rat
Fattore L, Fadda P, Zanda M, Fratta W. Analysis of Opioid-Seeking Reinstatement in the Rat. Methods In Molecular Biology 2014, 1230: 295-307. PMID: 25293336, DOI: 10.1007/978-1-4939-1708-2_25.Peer-Reviewed Original ResearchConceptsNeurobiological mechanismsAnimal model of relapseReinstatement animal modelRelapse-like behaviorHeroin-seeking behaviorRelapse to heroinVulnerability to relapseModel of relapseNose poke responsesPanel press responseNonhuman primatesReinstatement modelDrug seekingLever pressOperant respondingDrug abstinenceAddiction researchPress responseVulnerability factorsConditioned behaviorReinstatementSubstance useOperant responseAnimal modelsIndividual slipsEnhanced self-administration of the CB1 receptor agonist WIN55,212-2 in olfactory bulbectomized rats: evaluation of possible serotonergic and dopaminergic underlying mechanisms
Amchova P, Kucerova J, Giugliano V, Babinska Z, Zanda M, Scherma M, Dusek L, Fadda P, Micale V, Sulcova A, Fratta W, Fattore L. Enhanced self-administration of the CB1 receptor agonist WIN55,212-2 in olfactory bulbectomized rats: evaluation of possible serotonergic and dopaminergic underlying mechanisms. Frontiers In Pharmacology 2014, 5: 44. PMID: 24688470, PMCID: PMC3960502, DOI: 10.3389/fphar.2014.00044.Peer-Reviewed Original ResearchCB1 receptor agonist WIN55,212-2Model of depressionAgonist WIN55,212-2OBX ratsAcute pre-treatmentNucleus accumbensBulbectomized ratsSelf-administrationWIN55,212-2CGS 12066BIntravenous drug self-administration procedureRats self-administering methamphetamineDrug self-administration proceduresAnimal models of depressionSubstance use disorder comorbidityAssociated with drug consumptionBrain reward functionEnhanced self-administrationSelf-administer WINSerotonin 5HT1B receptor agonistsSham-operated ratsSelf-administer methamphetamineSelf-administration proceduresDepressive-like ratsDepressive-like state