2024
Substance use and spine density: a systematic review and meta-analysis of preclinical studies
Oliva H, Prudente T, Nunes E, Cosgrove K, Radhakrishnan R, Potenza M, Angarita G. Substance use and spine density: a systematic review and meta-analysis of preclinical studies. Molecular Psychiatry 2024, 29: 2873-2885. PMID: 38561468, DOI: 10.1038/s41380-024-02519-3.Peer-Reviewed Original ResearchSpine densityPrefrontal cortexSubstance useDrug self-administrationHippocampal spine densityEffects of cocaineSubstance use disordersConvergence of findingsSpine density changesSubstances of abuseMeta-analysis of preclinical studiesNucleus accumbensBehavioral sensitizationSelf-administrationBrain mechanismsPreclinical studiesBrain regionsMorphine effectsSynaptic density changesMeta-analysisAmphetamineSynaptic densityCocaineModerate-to-highCortex
2021
PET Imaging Estimates of Regional Acetylcholine Concentration Variation in Living Human Brain
Smart K, Naganawa M, Baldassarri SR, Nabulsi N, Ropchan J, Najafzadeh S, Gao H, Navarro A, Barth V, Esterlis I, Cosgrove KP, Huang Y, Carson RE, Hillmer AT. PET Imaging Estimates of Regional Acetylcholine Concentration Variation in Living Human Brain. Cerebral Cortex 2021, 31: 2787-2798. PMID: 33442731, PMCID: PMC8355478, DOI: 10.1093/cercor/bhaa387.Peer-Reviewed Original ResearchConceptsACh concentrationHuman volunteersHigh ACh concentrationsMuscarinic antagonist scopolamineHealthy human volunteersHuman brainCholinergic receptorsNicotine challengeAntagonist scopolaminePreclinical studiesStriatal regionsPET scansEndogenous neurotransmittersNeuropsychiatric diseasesNonhuman primatesWhole-brain imagesDrug occupancyNicotinic ligandsClinical populationsBrainAcetylcholineDistinct functional rolesStriatumVolunteersFunctional role