2013
Reductions in Brain 5-HT1B Receptor Availability in Primarily Cocaine-Dependent Humans
Matuskey D, Bhagwagar Z, Planeta B, Pittman B, Gallezot JD, Chen J, Wanyiri J, Najafzadeh S, Ropchan J, Geha P, Huang Y, Potenza MN, Neumeister A, Carson RE, Malison RT. Reductions in Brain 5-HT1B Receptor Availability in Primarily Cocaine-Dependent Humans. Biological Psychiatry 2013, 76: 816-822. PMID: 24433854, PMCID: PMC4037398, DOI: 10.1016/j.biopsych.2013.11.022.Peer-Reviewed Original ResearchConceptsRegional binding potentialPositron emission tomographyCocaine dependenceEmission tomographyFrontal cortexReceptor availabilityAge-matched healthy control subjectsSignificant gray matter reductionsYears of cocaineIllicit substance abuseHealthy control subjectsDaily tobacco useCocaine-dependent humansGray matter reductionsEffects of cocaineMagnetic resonance imagingSignificant reductionPreclinical evidenceControl subjectsPrimary addictionSerotonin receptorsHealthy subjectsTobacco useMedication developmentAnterior cingulate
2011
Serotonin 1B receptor imaging in pathological gambling
Potenza MN, Walderhaug E, Henry S, Gallezot JD, Planeta-Wilson B, Ropchan J, Neumeister A. Serotonin 1B receptor imaging in pathological gambling. The World Journal Of Biological Psychiatry 2011, 14: 139-145. PMID: 21936763, PMCID: PMC3595502, DOI: 10.3109/15622975.2011.598559.Peer-Reviewed Original ResearchConceptsSerotonin 1B receptorAnterior cingulate cortexPathological gamblingCingulate cortexVentral striatumBPND valuesMedication-free subjectsSouth Oaks Gambling ScreenPositron emission scanningFunctional neuroimaging studiesSerotonergic mechanismsSerotonergic functionSerotonin receptorsCC subjectsComparison subjectsBrain regionsImaging studiesPG subjectsNeuroimaging studiesPotential roleReceptorsFurther studiesStriatumSubstance addictionCortex