Correlations between cigarette smoke-induced microRNA (miRNA) expression and different aspects of lung cancer were identified in recent studies. However, it is unclear how miRNA expression directly contributes to carcinogenesis.
MiRNAs regulate the expression of target genes and can have a significant impact on when and how well different gene products are expressed. In this issue of the iJournal of Clinical Investigation/i, David Schrump and colleagues at the National Cancer Institute ...
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