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
2019
Novel Kappa Opioid Receptor Agonist as Improved PET Radiotracer: Development and in Vivo Evaluation
Li S, Zheng M, Naganawa M, Gao H, Pracitto R, Shirali A, Lin SF, Teng JK, Ropchan J, Huang Y. Novel Kappa Opioid Receptor Agonist as Improved PET Radiotracer: Development and in Vivo Evaluation. Molecular Pharmaceutics 2019, 16: 1523-1531. PMID: 30726092, DOI: 10.1021/acs.molpharmaceut.8b01209.Peer-Reviewed Original ResearchConceptsKappa-opioid receptorsAgonist radiotracerOpioid receptorsNovel kappa-opioid receptor agonistKappa-opioid receptor agonistFast tissue kineticsNonselective opioid receptorTissue kineticsOpioid receptor agonistsDose-dependent mannerMultilinear analysis-1 (MA1) methodHigh specific bindingSpecific bindingAgonist tracersHigh binding regionsReceptor agonistRegional time-activity curvesSpecific binding signalsTime-activity curvesArterial activityImproved imaging propertiesRhesus monkeysDrug abusePET radiotracersParent fraction