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"Viruses prompt oncogenic transformation by genetically altering infected cells. Several recent studies have demonstrated that viruses alter the expression of microRNAs, non-coding RNA molecules that can block the expression of target genes."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2013-01-hepatitis-virus-oncogenesis-microrna-modulation.html>