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  • Title: RNA-mediated gene silencing: mechanisms and its therapeutic applications.
    Author: Verma NK, Dey CS.
    Journal: J Clin Pharm Ther; 2004 Oct; 29(5):395-404. PubMed ID: 15482382.
    Abstract:
    RNA interference, part of a complicated network of interconnected pathways for cellular defence, RNA surveillance and development, has become a powerful tool for the experimental manipulation of gene expression. It is the process by which double-stranded (dsRNA) silences specific gene expression through homology-dependent degradation of cognate mRNA. The dsRNA is converted into 21nt small interfering RNAs (siRNAs), which directs a complex ribonuclease system to substrate mRNA targets. The degradation of the target mRNA is initiated with the cleavage at a position corresponding to the centre of the siRNA. Dissecting individual cellular pathways to reveal the function of numerous proteins is an approach to drug discovery. Interfering RNA (RNAi) serves as a rapid and convenient tool, which works in various organisms. RNAi technology has the potential to facilitate our understanding of biological processes and potentially lead to exciting new drugs. Here we review various experimental approaches adopted with RNAi and possible therapeutic applications.
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