Epigenetic regulation of miR-212 expression in lung cancer.
basic_science · Level V
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- Record sourced from PubMed, PMID 22110741.
- Also identified by DOI 10.1371/journal.pone.0027722 and PMC identifier PMC2528872.
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Abstract
Many studies have shown that microRNA expression in cancer may be regulated by epigenetic events. Recently, we found that in lung cancer miR-212 was strongly down-regulated. However, mechanisms involved in the regulation of miR-212 expression are unknown. Therefore, we addressed this point by investigating the molecular mechanisms of miR-212 silencing in lung cancer. We identified histone modifications rather than DNA hypermethylation as epigenetic events that regulate miR-212 levels in NSCLC. Moreover, we found that miR-212 silencing in vivo is closely associated with the severity of the disease.