2019
In vivo 5-HT6 and 5-HT2A receptor availability in antipsychotic treated schizophrenia patients vs. unmedicated healthy humans measured with [11C]GSK215083 PET
Radhakrishnan R, Matuskey D, Nabulsi N, Gaiser E, Gallezot JD, Henry S, Planeta B, Lin SF, Ropchan J, Huang Y, Carson RE, D'Souza DC. In vivo 5-HT6 and 5-HT2A receptor availability in antipsychotic treated schizophrenia patients vs. unmedicated healthy humans measured with [11C]GSK215083 PET. Psychiatry Research Neuroimaging 2019, 295: 111007. PMID: 31760336, DOI: 10.1016/j.pscychresns.2019.111007.Peer-Reviewed Original ResearchConceptsHealthy male controlsPositron emission tomographyMultilinear analysis 1Antipsychotic treatmentLower BPFrontal cortexReceptor availabilityAge-matched healthy male controlsDifferent second-generation antipsychoticsSteady-state troughPeak serum levelsSecond-generation antipsychoticsPotential therapeutic targetMale patientsSerum levelsHealthy humansTherapeutic targetSchizophrenia patientsTime-activity curvesMale controlsCognitive impairmentEmission tomographyVentral striatumPatientsSchizophrenia
2007
Exaggerated 5-HT1A but Normal 5-HT2A Receptor Activity in Individuals Ill with Anorexia Nervosa
Bailer U, Frank G, Henry S, Price J, Meltzer C, Mathis C, Wagner A, Thornton L, Hoge J, Ziolko S, Becker C, McConaha C, Kaye W. Exaggerated 5-HT1A but Normal 5-HT2A Receptor Activity in Individuals Ill with Anorexia Nervosa. Biological Psychiatry 2007, 61: 1090-1099. PMID: 17241616, DOI: 10.1016/j.biopsych.2006.07.018.Peer-Reviewed Original ResearchConceptsPositron emission tomographyILL ANCerebral blood flowControl womenAnorexia nervosaBlood flowReceptor activityOrbital frontal regionsDorsal raphe nucleusHealthy control womenLateral temporal lobeReceptor-specific radioligandReceptor BPRaphe nucleusPoor responseSerotonin activityTemporal lobeParietal cortexEmission tomographyReceptor functionParietal regionsWomenReceptorsFrontal regionsSignificant increase
2005
Serotonin alterations in anorexia and bulimia nervosa: New insights from imaging studies
Kaye W, Frank G, Bailer U, Henry S, Meltzer C, Price J, Mathis C, Wagner A. Serotonin alterations in anorexia and bulimia nervosa: New insights from imaging studies. Physiology & Behavior 2005, 85: 73-81. PMID: 15869768, DOI: 10.1016/j.physbeh.2005.04.013.Peer-Reviewed Original ResearchConceptsBulimia nervosaAnorexia nervosaBody image distortionAge of onsetParietal cortical regionsHomogenous presentationSerotonin alterationsLimbic structuresSerotonin pathwayGender distributionCortical regionsBrain functionNew pharmacologyNervosaFood consumptionIllnessSymptomsRecent brainAlterationsRecent studiesPsychotherapy approachesBehavioral inhibitionAnxietyFeeding behaviorHedonic aspects
2004
Altered 5-HT2A Receptor Binding after Recovery from Bulimia-Type Anorexia Nervosa: Relationships to Harm Avoidance and Drive for Thinness
Bailer U, Price J, Meltzer C, Mathis C, Frank G, Weissfeld L, McConaha C, Henry S, Brooks-Achenbach S, Barbarich N, Kaye W. Altered 5-HT2A Receptor Binding after Recovery from Bulimia-Type Anorexia Nervosa: Relationships to Harm Avoidance and Drive for Thinness. Neuropsychopharmacology 2004, 29: 1143-1155. PMID: 15054474, PMCID: PMC4301578, DOI: 10.1038/sj.npp.1300430.Peer-Reviewed Original ResearchConceptsControl womenAnorexia nervosaPositron emission tomographyBulimia nervosaBrain serotonin 2A (5-HT(2A)) receptorsMajor depressive disorder diagnosisDisturbances of appetiteLeft subgenual cingulateHealthy control womenDepressive disorder diagnosisEffects of malnutritionSerotonin 2A receptorRight occipital cortexLeft parietal cortexSubgenual cingulate regionsAN-BNReceptor antagonistNeuronal pathwaysSubgenual cingulateOccipital cortexHigh incidenceCingulate regionsParietal cortexCortical regionsEmission tomography