Cross-ancestry meta-analysis of opioid use disorder uncovers novel loci with predominant effects in brain regions associated with addiction
Kember RL, Vickers-Smith R, Xu H, Toikumo S, Niarchou M, Zhou H, Hartwell EE, Crist RC, Rentsch CT, Davis L, Justice A, Sanchez-Roige S, Kampman K, Gelernter J, Kranzler H. Cross-ancestry meta-analysis of opioid use disorder uncovers novel loci with predominant effects in brain regions associated with addiction. Nature Neuroscience 2022, 25: 1279-1287. PMID: 36171425, PMCID: PMC9682545, DOI: 10.1038/s41593-022-01160-z.Peer-Reviewed Original ResearchConceptsOpioid use disorderGenome-wide association studiesWide significant lociGene expression enrichmentSignificant genetic correlationsCell type groupSignificant lociAssociation studiesExpression enrichmentMillion Veteran ProgramGenetic correlationsUse disordersLociBrain regionsExonic variantsIntronic variantsSubstance use disordersTraitsBiological basisOpioid epidemicPsychiatric disordersVeteran ProgramBrain diseasesTSNARE1FBXW4Genome-wide association study identifies glutamate ionotropic receptor GRIA4 as a risk gene for comorbid nicotine dependence and major depression
Zhou H, Cheng Z, Bass N, Krystal JH, Farrer LA, Kranzler HR, Gelernter J. Genome-wide association study identifies glutamate ionotropic receptor GRIA4 as a risk gene for comorbid nicotine dependence and major depression. Translational Psychiatry 2018, 8: 208. PMID: 30287806, PMCID: PMC6172277, DOI: 10.1038/s41398-018-0258-8.Peer-Reviewed Original ResearchConceptsGenome-wide association studiesGenome-wide association study identifiesRisk genesTop risk genesCalcium ion bindingGenomes reference panelFast excitatory synaptic transmissionGenetic risk variantsGenetic basisEnrichment analysisAssociation studiesExome arrayCell adhesionRisk variantsGenesReference panelGenetic riskAMPA-sensitive glutamate receptorsIntronic variantsIon bindingBiological mechanismsConditional analysisGRIA4Excitatory synaptic transmissionSynaptic transmission