Chunk #39 — Discussion

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Ethnic diversity of DNA methylation in the OPRM1 promoter region in lymphocytes of heroin addicts.

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yes

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In our study, we found no evidence that DNA methylation of the OPRM1 promoter region differs by sex, although some studies have reported males to have higher DNA methylation at specific genes than females (Durcova-Hills et al. 2004, 2006; El-Maarri et al. 2007; Sarter et al. 2005).