2023
Peripheral signature of altered synaptic integrity in young onset cannabis use disorder: A proteomic study of circulating extracellular vesicles
Ganesh S, Lam T, Garcia-Milian R, D'Souza D, Nairn A, Elgert K, Eitan E, Ranganathan M. Peripheral signature of altered synaptic integrity in young onset cannabis use disorder: A proteomic study of circulating extracellular vesicles. The World Journal Of Biological Psychiatry 2023, 24: 603-613. PMID: 36994633, PMCID: PMC10471733, DOI: 10.1080/15622975.2023.2197039.Peer-Reviewed Original ResearchConceptsNeuron-derived extracellular vesiclesLabel-free quantification mass spectrometryProteomic studiesCannabis use disorderExtracellular vesiclesMass spectrometry proteomic analysisDifferential proteomic profilesAdapter proteinProteomic analysisPost-synaptic densityPeripheral signatureMolecular basisProteomic profilesProteinMarkers of neuropathologyBrain tissue samplesSynaptic pathologyVesiclesSynaptic integrityImmunoaffinity methodUse disordersFunctional integrityImportant insightsNeuropathologyPilot study
2020
Preliminary in vivo evidence of lower hippocampal synaptic density in cannabis use disorder
D’Souza D, Radhakrishnan R, Naganawa M, Ganesh S, Nabulsi N, Najafzadeh S, Ropchan J, Ranganathan M, Cortes-Briones J, Huang Y, Carson RE, Skosnik P. Preliminary in vivo evidence of lower hippocampal synaptic density in cannabis use disorder. Molecular Psychiatry 2020, 26: 3192-3200. PMID: 32973170, DOI: 10.1038/s41380-020-00891-4.Peer-Reviewed Original ResearchConceptsHippocampal synaptic densityCannabis use disorderHealthy controlsSynaptic densityPositron emission tomographyUse disordersDSM-5 cannabis use disorderVivo evidenceAdministration of cannabinoidsHippocampal synaptic integrityVerbal memory taskSynaptic vesicle glycoprotein 2AHuman cannabis usersEffects of cannabisWarrants further studyPlasma input functionMemory taskCentrum semiovaleAdult rodentsOne-tissue compartment modelSynaptic integrityHippocampal functionCannabis misuseArterial samplingEmission tomography
2018
Efficacy and safety of a fatty acid amide hydrolase inhibitor (PF-04457845) in the treatment of cannabis withdrawal and dependence in men: a double-blind, placebo-controlled, parallel group, phase 2a single-site randomised controlled trial
D'Souza DC, Cortes-Briones J, Creatura G, Bluez G, Thurnauer H, Deaso E, Bielen K, Surti T, Radhakrishnan R, Gupta A, Gupta S, Cahill J, Sherif MA, Makriyannis A, Morgan PT, Ranganathan M, Skosnik PD. Efficacy and safety of a fatty acid amide hydrolase inhibitor (PF-04457845) in the treatment of cannabis withdrawal and dependence in men: a double-blind, placebo-controlled, parallel group, phase 2a single-site randomised controlled trial. The Lancet Psychiatry 2018, 6: 35-45. PMID: 30528676, DOI: 10.1016/s2215-0366(18)30427-9.Peer-Reviewed Original ResearchConceptsPF-04457845Cannabis withdrawal symptomsFatty acid amide hydrolaseCannabis withdrawalPlacebo groupAdverse eventsCannabis useWithdrawal symptomsFatty acid amide hydrolase inhibitorSerious adverse eventsPhase 2a trialWeeks of treatmentTreatment of cannabisCannabis use disorderSelf-reported cannabis useDSM-IV criteriaTreatment-related differencesTHC-COOH concentrationsAnandamide concentrationsTreat populationPrimary endpointPill countHospital admissionNovel FAAH inhibitorsSelf-reported cannabisChapter 4 Psychotomimetic and Cognitive Effects of Δ9-Tetrahydrocannabinol in Laboratory Settings
Cahill J, Gupta S, Cortes-Briones J, Radhakrishnan R, Sherif M, D'Souza D. Chapter 4 Psychotomimetic and Cognitive Effects of Δ9-Tetrahydrocannabinol in Laboratory Settings. 2018, 75-128. DOI: 10.1016/b978-0-12-804791-0.00004-5.Peer-Reviewed Original ResearchHuman laboratory studiesCognitive effectsFunctional magnetic resonance imagingDeleterious cognitive effectsCannabis use disorderArray of outcomesPsychophysiological correlatesNeural noiseWider clinical implicationsEEG measuresRisk of psychosisΔ9-tetrahydrocannabinolUse disordersLaboratory settingPsychotic disordersMethodological strengthsClinical implicationsElectroencephalographyCannabisSchizophreniaSingle Photon Emission Computerized TomographyPhoton Emission Computerized TomographyHealthy humansPsychosisMagnetic resonance imaging