The small RNAs termed microRNAs (miRNAS) play important roles in cell proliferation, apoptosis and differentiation.

 MicroRNA mechanism is an efficient means to regulate production of a diverse range of proteins.

See also

 small RNAs

References

 He L, Hannon GJ. MicroRNAs: small RNAs with a big role in gene regulation. Nat Rev Genet. 2004 Jul;5(7):522-31. PMID: #15211354#

 Nakahara K, Carthew RW. Expanding roles for miRNAs and siRNAs in cell regulation. Curr Opin Cell Biol. 2004 Apr;16(2):127-33. PMID: #15196554#