2024
A review of the kappa opioid receptor system in opioid use
Cayir S, Zhornitsky S, Barzegary A, Sotomayor-Carreño E, Sarfo-Ansah W, Funaro M, Matuskey D, Angarita G. A review of the kappa opioid receptor system in opioid use. Neuroscience & Biobehavioral Reviews 2024, 162: 105713. PMID: 38733895, DOI: 10.1016/j.neubiorev.2024.105713.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsKappa opioid receptor systemKappa-opioid receptorsOUD subjectsKappa-opioid receptor expressionOpioid withdrawal symptomsWithdrawal symptomsDynorphin levelsPeripheral blood lymphocytesOpioid useDrug-seeking/taking behaviorAnti-reward systemsKappa-opioid receptor antagonistClinical studiesCerebrospinal fluidOpioid receptor systemKOR/dynorphin systemDisorder subjectsOpioid receptorsOpioid intoxicationBlood lymphocytesReceptor systemOpioidWeb of ScienceClinical roleDynorphin
2019
Kappa-opioid receptors, dynorphin, and cocaine addiction: a positron emission tomography study
Martinez D, Slifstein M, Matuskey D, Nabulsi N, Zheng MQ, Lin SF, Ropchan J, Urban N, Grassetti A, Chang D, Salling M, Foltin R, Carson RE, Huang Y. Kappa-opioid receptors, dynorphin, and cocaine addiction: a positron emission tomography study. Neuropsychopharmacology 2019, 44: 1720-1727. PMID: 31026862, PMCID: PMC6785004, DOI: 10.1038/s41386-019-0398-4.Peer-Reviewed Original ResearchConceptsCocaine use disorderStress-induced relapsePositron emission tomographyCocaine bingeKappa-opioid receptor/dynorphin systemKOR selective agonistPositron emission tomography studyKappa-opioid receptorsCold pressor testCocaine self-administration sessionsEmission tomography studiesSelf-administration sessionsStress-induced cocaineEndogenous dynorphinDynorphin systemHealthy controlsPressor testSelective agonistPET scansAnimal studiesKOR bindingReceptor availabilitySignificant associationBrain regionsEmission tomographySocial status and demographic effects of the kappa opioid receptor: a PET imaging study with a novel agonist radiotracer in healthy volunteers
Matuskey D, Dias M, Naganawa M, Pittman B, Henry S, Li S, Gao H, Ropchan J, Nabulsi N, Carson RE, Huang Y. Social status and demographic effects of the kappa opioid receptor: a PET imaging study with a novel agonist radiotracer in healthy volunteers. Neuropsychopharmacology 2019, 44: 1714-1719. PMID: 30928993, PMCID: PMC6785144, DOI: 10.1038/s41386-019-0379-7.Peer-Reviewed Original ResearchConceptsBody mass indexKappa-opioid receptorsPositron emission tomographyAgonist radiotracerKOR systemOpioid receptorsTime-activity curvesBarratt Simplified MeasureAnterior cingulate cortexArterial blood samplingMultilinear analysis-1 (MA1) methodPET imaging studiesKOR levelsMass indexPreclinical modelsFrontal cortexHealthy volunteersRegional time-activity curvesBlood samplingPET scansCingulate cortexImaging studiesEmission tomographyVentral striatumRegional volumes