中文摘要：

microRNAs调控人类30%的基因表达,调控mRNAs表达,在肿瘤的诊断、治疗、预后判断中起重要的作用。本文阐述了microRNA-30 c与肿瘤发生的关系。

英文摘要：

In human genome 30 percent of genes are regulated by microRNAs. It＇s shown that microRNA can regulate multiple target mRNAs and plays an important role In in cancer diagnosis,treatment and prognosis. This paper expounds the relationship of miRNA 30 c and tumor.