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Opioid medication use and blood DNA methylation: epigenome-wide association meta-analysis.


ABSTRACT: Aim: To identify differential methylation related to prescribed opioid use. Methods: This study examined whether blood DNA methylation, measured using Illumina arrays, differs by recent opioid medication use in four population-based cohorts. We meta-analyzed results (282 users; 10,560 nonusers) using inverse-variance weighting. Results: Differential methylation (false discovery rate <0.05) was observed at six CpGs annotated to the following genes: KIAA0226, CPLX2, TDRP, RNF38, TTC23 and GPR179. Integrative epigenomic analyses linked implicated loci to regulatory elements in blood and/or brain. Additionally, 74 CpGs were differentially methylated in males or females. Methylation at significant CpGs correlated with gene expression in blood and/or brain. Conclusion: This study identified DNA methylation related to opioid medication use in general populations. The results could inform the development of blood methylation biomarkers of opioid use.

SUBMITTER: Lee M 

PROVIDER: S-EPMC9979153 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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<b>Aim:</b> To identify differential methylation related to prescribed opioid use. <b>Methods:</b> This study examined whether blood DNA methylation, measured using Illumina arrays, differs by recent opioid medication use in four population-based cohorts. We meta-analyzed results (282 users; 10,560 nonusers) using inverse-variance weighting. <b>Results:</b> Differential methylation (false discovery rate <0.05) was observed at six CpGs annotated to the following genes: <i>KIAA0226</i>, <i>CPLX2</  ...[more]

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