DZб ٱ⼼а(ΰȭ SRC) ȸ 6 ũ RNA ļ ȭ, , ġ м ġ ɼ ߴٰ . ũ RNA(microRNA, miRNA) ϴ ϴ RNAμ, mRNA õ ŬŸ̵(nucleotide) ̷ 2025 ŬŸ̵ ִ. ̵ ũ RNA ϴ ü 33% ϴ ˷ , ϳ ũ RNA 400 ڸ ٹε ϴ ε ˷ ִ. ֱ ̵ ũ RNA ļ ϴ ٽ ڷμ ߿ ɼ ϰ ִ. ̱ ǰǾ౹(FDA) 20Ⱓ ߽ɿ ִ RNA (RNAi: RNA-interference) ġ ̴ 10 ʷ Ѵ. پ ȯġḦ Ȯ ұϰ ̵ ũ RNA Ȱ ̳ Ӱ õ м ȯ ġḦ ȭ ٴ а Ƿ . ΰ ϴ 2588 ũ RNA ü мν, ļ , ȭ, , , Ӱ ӿ õ ü ũ RNA ü ó зϴµ ߴ. ̵ ũ RNA з ļ ϴ ũ RNA ϼü ȣ к ȣۿ뿡 ļ ϴ ܰ躰 , ̵ ũ RNA پ ӿ ִ ũ RNA ȯ αԸ ġ ߴ. ũ RNA پ õ Ӻо߿ ִ, ġ ߿ Ȱ밡 ϳ ı ϴ ū ǰ ִ١ . ̹ ķ ȸ ߰ м ̿ (: Roles of microRNAs in mammalian reproduction: from the commitment of germ cells to periimplantation embryos)(Biological Reviews; IF: 11.7) 28 ¶ ǿ ƴ. ̹ ѱ ʿ ΰȭ ( ко, SRC) ƴ.