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Review
. 2018 Feb:156:172-193.
doi: 10.1016/j.biomaterials.2017.11.034. Epub 2017 Nov 23.

Emergence of synthetic mRNA: In vitro synthesis of mRNA and its applications in regenerative medicine

Hyokyoung Kwon  1 , Minjeong Kim  1 , Yunmi Seo  1 , Yae Seul Moon  1 , Hwa Jeong Lee  1 , Kyuri Lee  2 , Hyukjin Lee  3
Affiliations
Review

Emergence of synthetic mRNA: In vitro synthesis of mRNA and its applications in regenerative medicine

Hyokyoung Kwon et al. Biomaterials. 2018 Feb.

Abstract

The field of gene therapy has evolved over the past two decades after the first introduction of nucleic acid drugs, such as plasmid DNA (pDNA). With the development of in vitro transcription (IVT) methods, synthetic mRNA has become an emerging class of gene therapy. IVT mRNA has several advantages over conventional pDNA for the expression of target proteins. mRNA does not require nuclear localization to mediate protein translation. The intracellular process for protein expression is much simpler and there is no potential risk of insertion mutagenesis. Having these advantages, the level of protein expression is far enhanced as comparable to that of viral expression systems. This makes IVT mRNA a powerful alternative gene expression system for various applications in regenerative medicine. In this review, we highlight the synthesis and preparation of IVT mRNA and its therapeutic applications. The article includes the design and preparation of IVT mRNA, chemical modification of IVT mRNA, and therapeutic applications of IVT mRNA in cellular reprogramming, stem cell engineering, and protein replacement therapy. Finally, future perspectives and challenges of IVT mRNA are discussed.

Keywords: Cellular reprograming; In vitro transcription (IVT); Regenerative medicine; Synthetic mRNA.

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