2017
Cholinergic activity and levodopa‐induced dyskinesia: a multitracer molecular imaging study
Brumberg J, Küsters S, Al‐Momani E, Marotta G, Cosgrove KP, van Dyck C, Herrmann K, Homola GA, Pezzoli G, Buck AK, Volkmann J, Samnick S, Isaias IU. Cholinergic activity and levodopa‐induced dyskinesia: a multitracer molecular imaging study. Annals Of Clinical And Translational Neurology 2017, 4: 632-639. PMID: 28904985, PMCID: PMC5590520, DOI: 10.1002/acn3.438.Peer-Reviewed Original ResearchLevodopa-induced dyskinesiaNicotinic acetylcholine receptorsSingle photon emissionNondyskinetic patientsDisease patientsCholinergic activityHealthy controlsAcetylcholine receptorsRegional cerebral metabolic activityDeoxyglucose positron emission tomographyExpression of dyskinesiaCerebral metabolic activityStriatal cholinergic activityParkinson's disease patientsBasal ganglia structuresStriatal binding potentialPositron emission tomographyDopaminergic responsivenessAffected sideClinical variablesDyskinetic subjectsCholinergic signalingGanglia structuresMolecular imaging studiesNeuronal excitability
2009
123I-5-IA-85380 SPECT Imaging of Nicotinic Receptors in Alzheimer Disease and Mild Cognitive Impairment
Mitsis EM, Reech KM, Bois F, Tamagnan GD, MacAvoy MG, Seibyl JP, Staley JK, van Dyck CH. 123I-5-IA-85380 SPECT Imaging of Nicotinic Receptors in Alzheimer Disease and Mild Cognitive Impairment. Journal Of Nuclear Medicine 2009, 50: 1455-1463. PMID: 19690024, DOI: 10.2967/jnumed.109.064030.Peer-Reviewed Original ResearchConceptsAdvanced Alzheimer's diseaseMild cognitive impairmentHealthy control subjectsControl subjectsCognitive impairmentAge-matched healthy control subjectsAlzheimer's diseaseBrain regionsEffect of diagnosisNicotinic acetylcholine receptorsLate-stage phenomenonCholinergic reductionIA-85380Effect of ageUnivariate analysisNicotinic receptorsAnterior cingulateConstant infusionAcetylcholine receptorsTrail Making TestMultivariate analysisNeuropsychologic variablesDiagnostic groupsSignificant overall effectSPECT imaging