2024
First-in-Human Study of 18F-SynVesT-2: An SV2A PET Imaging Probe with Fast Brain Kinetics and High Specific Binding
Drake L, Wu Y, Naganawa M, Asch R, Zheng C, Najafzadeh S, Pracitto R, Lindemann M, Li S, Ropchan J, Labaree D, Emery P, Dias M, Henry S, Nabulsi N, Matuskey D, Hillmer A, Gallezot J, Carson R, Cai Z, Huang Y. First-in-Human Study of 18F-SynVesT-2: An SV2A PET Imaging Probe with Fast Brain Kinetics and High Specific Binding. Journal Of Nuclear Medicine 2024, 65: jnumed.123.266470. PMID: 38360052, PMCID: PMC10924160, DOI: 10.2967/jnumed.123.266470.Peer-Reviewed Original ResearchFirst-in-human studyPlasma free fractionTime-activity curvesCentrum semiovaleNonhuman primate's resultsFirst-in-humanFree fractionNondisplaceable binding potentialRegional time-activity curvesLow nonspecific uptakeRegional distribution volumesHigh-resolution research tomograph scannerTest-retest reproducibilityCerebral blood flowSynaptic vesicle glycoprotein 2AHealthy volunteersArterial input functionNonspecific uptakePET imaging probeDistribution volumeSynapse densityIndividual MR imagesHighest specific bindingMR imagingPET imaging
2021
Social Rank, Behavioral Phenotypes and Kappa Opioid Receptor: PET Imaging Studies of Socially Housed Female and Male Monkey Models of Cocaine Use Disorder
Johnson B, Sai K, Nader S, Li S, Huang Y, Nader M. Social Rank, Behavioral Phenotypes and Kappa Opioid Receptor: PET Imaging Studies of Socially Housed Female and Male Monkey Models of Cocaine Use Disorder. The FASEB Journal 2021, 35 DOI: 10.1096/fasebj.2021.35.s1.03412.Peer-Reviewed Original ResearchKOR systemDynorphin/KOR systemBrain regionsCocaine reinforcementKappa opioid receptor systemPET imagingCocaine overdose deathsPositron emission tomography studyOpioid receptor systemKappa-opioid receptorsRecent positron emission tomography (PET) studyNonhuman primate modelEmission tomography studiesStress-induced relapseChronic social stressEffects of drugsCocaine use disorderPET imaging studiesBehavioral phenotypesAgonist tracersCocaine acquisitionSocial behaviorDynorphin levelsOpioid receptorsPrimate model
2020
PET Imaging of Synaptic Vesicle Protein 2A
Finnema S, Li S, Cai Z, Naganawa M, Chen M, Matuskey D, Nabulsi N, Esterlis I, Holmes S, Radhakrishnan R, Toyonaga T, Huang Y, Carson R. PET Imaging of Synaptic Vesicle Protein 2A. 2020, 993-1019. DOI: 10.1007/978-3-030-53176-8_29.ChaptersSynaptic vesicle protein 2APositron emission tomographyAntiepileptic drug levetiracetamInitial PET studiesPET imagingPET studiesSynaptic densityDrug levetiracetamHigh-affinity SV2A ligandsBrain regionsSynaptic density lossNeuropathological diseasesDisease-modifying therapiesLarge patient cohortMajor depressive disorderProtein 2APET imaging resultsPosttraumatic stress disorderPatient groupPatient cohortDepressive disorderClinical valueParkinson's diseaseEfficacy assessmentSynaptic vesicle proteins