2010
P.1.025 Molecular imaging of beta-2 subunit containing nicotinic acetylcholine receptors in major depressive disorder
Saricicek A, Esterlis I, Ruf B, Maloney K, Muralidharan A, Seibyl J, Tamagnan G, Bois F, Staley J, Bhagwagar Z. P.1.025 Molecular imaging of beta-2 subunit containing nicotinic acetylcholine receptors in major depressive disorder. European Neuropsychopharmacology 2010, 20: s22. DOI: 10.1016/s0924-977x(10)70027-4.Peer-Reviewed Original Research
2008
SPECT imaging of [123I]5-IA-85380 binding to beta2-nicotinic acetylcholine receptors in healthy smokers: Assessment of nondisplaceable uptake
Batis J, Esterlis I, Bois F, Cosgrove K, Stiklus S, Kloczynski T, McKee S, Jatlow P, O'Malley S, Seibyl J, Tamagnan G, Van Dyck C, Staley J. SPECT imaging of [123I]5-IA-85380 binding to beta2-nicotinic acetylcholine receptors in healthy smokers: Assessment of nondisplaceable uptake. NeuroImage 2008, 41: t175. DOI: 10.1016/j.neuroimage.2008.04.142.Peer-Reviewed Original Research[123I]5-IA-85380 SPECT imaging nicotine occupancy of brain β2-nicotinic acetylcholine receptors after smoking low nicotine and nicotine-free cigarettes
Esterlis I, Batis J, Cosgrove K, Bois F, McKee S, Kloczynski T, Stiklus S, O'Malley S, Perry E, Tamagnan G, Seibyl J, Staley J. [123I]5-IA-85380 SPECT imaging nicotine occupancy of brain β2-nicotinic acetylcholine receptors after smoking low nicotine and nicotine-free cigarettes. NeuroImage 2008, 41: t182. DOI: 10.1016/j.neuroimage.2008.04.149.Peer-Reviewed Original Research
2006
[I-123] 5-IA-85380 SPECT imaging of beta2-nicotinic acetylcholine receptors in recently abstinent mentally healthy and schizophrenic smokers
Staley J, Tellioglu T, Bois F, Palazzo C, McGuire-Schwartz N, Cosgrove K, van Dyck C, Tamagnan G, Seibyl J, Krystal J, D'Souza D. [I-123] 5-IA-85380 SPECT imaging of beta2-nicotinic acetylcholine receptors in recently abstinent mentally healthy and schizophrenic smokers. NeuroImage 2006, 31: t154. DOI: 10.1016/j.neuroimage.2006.04.137.Peer-Reviewed Original Research
2003
Influence of acetylcholine levels on the binding of a SPECT nicotinic acetylcholine receptor ligand [123I]5‐I‐A‐85380
Fujita M, Al‐Tikriti M, Tamagnan G, Zoghbi S, Bozkurt A, Baldwin R, Innis R. Influence of acetylcholine levels on the binding of a SPECT nicotinic acetylcholine receptor ligand [123I]5‐I‐A‐85380. Synapse 2003, 48: 116-122. PMID: 12645036, DOI: 10.1002/syn.10194.Peer-Reviewed Original ResearchConceptsPhysostigmine administrationThalamic activityPlasma levelsAcetylcholine levelsNicotinic ACh receptorsNicotinic acetylcholine receptor ligandsElevated ACh levelsSingle photon emissionAcetylcholine receptor ligandsACh levelsACh receptorsTomography ligandSustained increasePhysostigmineAdministrationReceptor ligandsAcetylcholinesterase inhibitorsPhoton emissionVivoReceptorsLevelsBolusActivityNAChRsStudy
2002
Synthesis, Receptor Potency, and Selectivity of Halogenated Diphenylpiperidines as Serotonin 5-HT2A Ligands for PET or SPECT Brain Imaging
Fu X, Tan P, Kula N, Baldessarini R, Tamagnan G, Innis R, Baldwin R. Synthesis, Receptor Potency, and Selectivity of Halogenated Diphenylpiperidines as Serotonin 5-HT2A Ligands for PET or SPECT Brain Imaging. Journal Of Medicinal Chemistry 2002, 45: 2319-2324. PMID: 12014970, DOI: 10.1021/jm0200411.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCOS CellsHumansIn Vitro TechniquesLigandsPiperidinesProsencephalonRadioligand AssayRatsReceptor, Serotonin, 5-HT2AReceptor, Serotonin, 5-HT2CReceptors, Adrenergic, alpha-1Receptors, Adrenergic, alpha-2Receptors, Dopamine D2Receptors, SerotoninStructure-Activity RelationshipTomography, Emission-ComputedTomography, Emission-Computed, Single-Photon
2001
Measurement of plasma metabolites of (S)-5-[123I]iodo-3- (2-azetidinylmethoxy)pyridine (5-IA-85380), a nicotinic acetylcholine receptor imaging agent, in nonhuman primates
Zoghbi S, Tamagnan G, Fujita M, Baldwin R, Al-Tikriti M, Amici L, Seibyl J, Innis R. Measurement of plasma metabolites of (S)-5-[123I]iodo-3- (2-azetidinylmethoxy)pyridine (5-IA-85380), a nicotinic acetylcholine receptor imaging agent, in nonhuman primates. Nuclear Medicine And Biology 2001, 28: 91-96. PMID: 11182569, DOI: 10.1016/s0969-8051(00)00188-8.Peer-Reviewed Original ResearchConceptsReceptor imaging agentNicotinic acetylcholine receptorsPotential SPECT tracerRadioactive bloodTobacco dependencePlasma concentrationsParent compoundPolar radiometaboliteAcetylcholine receptorsPlasma metabolitesProtein-free plasmaRadioactivity accumulationNeurodegenerative diseasesSPECT tracerWhole bloodFree radioiodideImaging agentEqual volumeVivo quantificationRadiometabolitesBloodReceptorsPlasmaThyroidMin
2000
SPECT imaging with the D4 receptor antagonist L-750,667 in nonhuman primate brain
Staley J, Tamagnan G, Baldwin R, Fujita M, Tikriti M, Eshima L, Thornback J, Roe D, Lu L, Seibyl J, Innis R. SPECT imaging with the D4 receptor antagonist L-750,667 in nonhuman primate brain. Nuclear Medicine And Biology 2000, 27: 547-556. PMID: 11056368, DOI: 10.1016/s0969-8051(00)00129-3.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBasal GangliaBinding, CompetitiveBrainBrain StemCerebellumDopamine AntagonistsDopamine D2 Receptor AntagonistsFrontal LobeGyrus CinguliImidazolesIodine RadioisotopesOccipital LobeOrgan SpecificityPapioParietal LobePyridinesPyrimidinesPyrrolesReceptors, Dopamine D4Temporal LobeTissue DistributionTomography, Emission-Computed, Single-PhotonConceptsNGD 94D4 receptor antagonist LBrain regionsReceptor antagonist LConstant infusion paradigmNonhuman primate brainSingle photon emissionSaturating dosesAntagonist LBasal gangliaBrain uptakeInfusion paradigmOccipital cortexMin postinjectionSuitable radiotracerPrimate brainCingulate cortexNonhuman primatesTomography imagingReceptor ligandsPhoton emissionBolusCortexBrainReceptors5-Iodo-A-85380, an α4β2 Subtype-Selective Ligand for Nicotinic Acetylcholine Receptors
Mukhin A, Gündisch D, Horti A, Koren A, Tamagnan G, Kimes A, Chambers J, Vaupel D, King S, Picciotto M, Innis R, London E. 5-Iodo-A-85380, an α4β2 Subtype-Selective Ligand for Nicotinic Acetylcholine Receptors. Molecular Pharmacology 2000, 57: 642-649. PMID: 10692507, DOI: 10.1124/mol.57.3.642.Peer-Reviewed Original ResearchConceptsNicotinic acetylcholine receptorsAlpha4beta2 nAChRsAcetylcholine receptorsNeuronal nicotinic acetylcholine receptorsAffinity of epibatidineRat adrenal glandMuscle-type nAChRsSubtype-selective ligandsAlpha4beta2 subtypeAdrenal glandRat brainSelective radioligandBrain regionsNAChRsBeta4 subunitsRadioiodinated ligandBeta2 subunitVivo studiesEpibatidineVivo experimentsHuman brainSubtypesRadioligandBrainReceptors