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RNA interference and its therapeutic potential

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Open Medicine
|
2011
|
vol. 6
|
issue 2
137-147
EN
RNA interference is a technique that has become popular in the past few years. This is a biological method to detect the activity of a specific gene within a cell. RNAi is the introduction of homologous double stranded RNA to specifically target a gene’s product resulting in null or hypomorphic phenotypes. This technique involves the degradation of specific mRNA by using small interfering RNA. Both microRNA (miRNA) and small interfering RNA (siRNA) are directly related to RNA interference. RNAi mechanism is being explored as a new technique for suppressing gene expression. It is an important issue in the treatment of various diseases. This review considers different aspects of RNAi technique including its history of discovery, molecular mechanism, gene expression study, advantages of this technique against previously used techniques, barrier associated with this technique, and its therapeutic application.
EN
Angiogenesis is the pathological process of forming new blood vessels from pre-existing vessels. It is one of the main features of many conditions such as cancer and inflammatory diseases. MicroRNAs (miRNAs) are small non-coding RNAs that regulate post-transcriptional gene expression. Recent studies have suggested that miRNAs play a significant role in angiogenesis. The study from Wang et al reported a novel angiomiR, miRNA-329, and its negative correlation with CD 146 expression in angiogenesis. These in vitro and in vivo studies introduce an appealing new way of treating angiogenesis by targeting CD146.
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