A statin-dependent QTL for GATM expression is associated with statin-induced myopathy.

Exploration of the interacting effect of statin exposure and genetic variation on gene expression identifies a cis-eQTL that is differentially associated with expression of the GATM gene, which encodes a rate-limiting enzyme involved in creatine synthesis, and that is associated with incidence of statin-induced myopathy, the major adverse effect of statin treatment.