2013
In Vivo Evidence for β2 Nicotinic Acetylcholine Receptor Subunit Upregulation in Smokers as Compared With Nonsmokers With Schizophrenia
Esterlis I, Ranganathan M, Bois F, Pittman B, Picciotto MR, Shearer L, Anticevic A, Carlson J, Niciu MJ, Cosgrove KP, D’Souza D. In Vivo Evidence for β2 Nicotinic Acetylcholine Receptor Subunit Upregulation in Smokers as Compared With Nonsmokers With Schizophrenia. Biological Psychiatry 2013, 76: 495-502. PMID: 24360979, PMCID: PMC4019710, DOI: 10.1016/j.biopsych.2013.11.001.Peer-Reviewed Original ResearchConceptsLower β2Negative symptomsCortical regionsLower receptor availabilitySelf-medicate symptomsComparison groupLower negative symptomsHigh β2Executive controlExecutive functionNicotine cravingSex-matched comparison subjectsMood assessmentBrain regionsWorse performanceComparison subjectsDiagnosis interactionLimited brain regionsNicotinic acetylcholine receptorsSchizophreniaSingle photon emissionNAChR availabilityActive smokingTobacco smokingPoor outcome
2012
Persistent 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