Imaging Changes in Synaptic Acetylcholine Availability in Living Human Subjects
Esterlis I, Hannestad JO, Bois F, Sewell RA, Tyndale RF, Seibyl JP, Picciotto MR, Laruelle M, Carson RE, Cosgrove KP. Imaging Changes in Synaptic Acetylcholine Availability in Living Human Subjects. Journal Of Nuclear Medicine 2012, 54: 78-82. PMID: 23160789, PMCID: PMC3703589, DOI: 10.2967/jnumed.112.111922.Peer-Reviewed Original ResearchConceptsNicotinic acetylcholine receptor availabilityEndogenous neurotransmitter acetylcholineNicotinic acetylcholine receptorsPhysostigmine administrationAcetylcholine availabilityExtracellular acetylcholineBaseline scanHealthy subjectsReceptor availabilityExtracellular levelsAcetylcholine receptorsMolecular neuroimagingSPECT studiesAcetylcholineNonhuman primatesTissue concentrationsNeurotransmitter acetylcholineHuman subjectsSignificant reductionAdditional scansScansParent concentrationsSubjectsVivo estimationIAPersistent β2*-Nicotinic Acetylcholinergic Receptor Dysfunction in Major Depressive Disorder
Saricicek A, Esterlis I, Maloney KH, Mineur YS, Ruf BM, Muralidharan A, Chen JI, Cosgrove KP, Kerestes R, Ghose S, Tamminga CA, Pittman B, Bois F, Tamagnan G, Seibyl J, Picciotto MR, Staley JK, Bhagwagar Z. Persistent β2*-Nicotinic Acetylcholinergic Receptor Dysfunction in Major Depressive Disorder. American Journal Of Psychiatry 2012, 169: 851-859. PMID: 22772158, PMCID: PMC3494404, DOI: 10.1176/appi.ajp.2012.11101546.Peer-Reviewed Original ResearchConceptsMajor depressive disorderNAChR availabilityDepressed patientsComparison subjectsDepressed subjectsDepressive disorderReceptor availabilityAge-matched comparison subjectsLower receptor availabilityEarly-onset depressionPostmortem brain samplesDopamine receptor availabilityNicotinic acetylcholine receptorsSingle photon emissionPost-mortem samplesEndogenous acetylcholinePrefrontal cortex samplesReceptor dysfunctionDepressive episodePostmortem studiesTrauma ScoreIll subjectsSPECT ligandHealthy subjectsSPECT scans