Chunk #31 — Discussion

Source

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

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In a small subset of our cohort in each of the three ethnicities resequenced, no variants were found that altered any of the 16 CpG sites that we examined. The only common variant observed was rs1799972 (C17T). This variant codes for an amino acid substitution at residue 6 of a valine for an alanine.