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Iranian Journal of Biotechnology، جلد ۱۱، شماره ۳، صفحات ۱۴۷-۱۵۵
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عنوان انگلیسی MicroRNAs: Critical Regulators of mRNA Traffic and Translational Control with Promising Biotech and Therapeutic Applications
چکیده انگلیسی مقاله Context:MicroRNAs (miRNAs) are a class of short, endogenously-initiated, non-coding RNAs that post-transcriptionally control gene expression via translational repression or mRNA turnover. MiRNAs have attracted much attention in recent years as they play critical roles in gene expression and are promising tools with many biotech and therapeutic applications. The molecular mechanisms underlying the translational control of mRNAs are not fully understood but emerging evidence point to a key role for microRNAs in this process. Evidence Acquisition:In this review, we discuss the potential role of miRNAs as regulators of mRNA traffic and translational control, focusing on molecular mechanisms of miRNA-mediated control of eukaryotic mRNA stability and translational efficiency. Results:Translational control by miRNAs is often associated with silencing and repression of mRNAs via accumulation within cytoplasmic processing bodies (P-bodies), the site of mRNA storage and/or decay. Specific miRNAs can interact with the 3’UTR or 5’UTR of target mRNAs and regulate their stability as well as translational efficiency. A better understanding of these mechanisms is critical in advancing our knowledge of the role of these regulatory RNAs in modulating protein synthesis and controlling metabolic pathways in health and disease. Conclusions:The discovery of miRNAs and their important role in controlling many aspects of cell function and metabolism have led to considerable interest in biotech applications of miRNAs and their application in modulating specific gene expression. We thus highlight the growing biotech and therapeutic applications of miRNAs.
کلیدواژه‌های انگلیسی مقاله MicroRNA,Processing Bodies,Translational Control,Metabolism
نویسندگان مقاله سحر انصاری بصیر | ansari basir
molecular structure and function, research institute, the hospital for sick children, university of toronto, toronto, canada

خسرو عادلی |
molecular structure and function, research institute, the hospital for sick children, university of toronto, toronto, canada

نشانی اینترنتی http://www.ijbiotech.com/article_7234_33f4605e212a0408a93260d9228222c1.pdf
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