中文摘要：

miRNA具有调控基因表达的作用,目前关于miRNA的发育和作用机制已经有了相对深入的研究.近些年来miRNA对寿命的影响正逐渐被人们所重视,对其作用靶点的进一步研究有利于治疗衰老相关疾病.

英文摘要：

MicroRNA （miRNA） has the function of the regulation of gene expression,the current development and mechanism of action about micrornas have relatively in-depth research.Micrornas in recent years to the life of the influence is gradually paid great attention by people,the further study of its targets for diseases associated with aging.