Unique and joint associations of polygenic risk for major depression and opioid use disorder with endogenous opioid system function
Love T, Shabalin AA, Kember RL, Docherty AR, Zhou H, Koppelmans V, Gelernter J, Baker AK, Hartwell E, Dubroff J, Zubieta JK, Kranzler HR. Unique and joint associations of polygenic risk for major depression and opioid use disorder with endogenous opioid system function. Neuropsychopharmacology 2022, 47: 1784-1790. PMID: 35545664, PMCID: PMC9372136, DOI: 10.1038/s41386-022-01325-1.Peer-Reviewed Original ResearchConceptsOpioid use disorderMajor depressive disorderPolygenic risk scoresUse disordersEndogenous opioid system functionOpioid system functionOpioid system activityMDD polygenic risk scoresPolygenic riskAssociation of PRSEndogenous opioid responseOpioid system activationNon-displaceable bindingPathophysiologic linkOpioid responseMOR availabilityOpioid releaseDepressive disorderMajor depressionNeurotransmitter systemsVentral pallidumRisk scoreReceptor concentrationSystem activationRegion of interest