Cited by 114RNA Interference and Gene DeliveryVirus-based gene therapy researchImmunotherapy and Immune Responses

Modified mRNA as an alternative to plasmid DNA (pDNA) for transcript replacement and vaccination therapy

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Youn, Hyewon, Chung, June-Key·2015·Expert Opinion on Biological Therapy

Abstract

INTRODUCTION: Current gene therapy involves replacement of defective gene by delivery of healthy genetic material to precede normal function. Virus-mediated gene delivery is the most successful and efficient method for gene therapy, but it has been challenged due to serious safety concerns. Conversely, gene delivery using plasmid DNA (pDNA) is considered safer, but its transfection efficiency is much lower than virus-mediated gene transfer. Recently, mRNA has been suggested as an alternative option to avoid undesired insertion of delivered DNA sequences with higher transfection efficiency and stability. AREA COVERED: In this review, we summarize the currently available strategies of mRNA modification to increase the therapeutic efficacy; we also highlight the recent improvements of mRNA delivery for in vivo applications of gene therapy. EXPERT OPINION: The use of mRNA-based gene transfer could indeed be a promising new strategy for gene therapy. Notable advantages include no risk of integration into the genomic DNA, adjustable gene expression and easier modulation of the immune system. By reducing or utilizing the immunogenic properties, mRNA offers a promising tool for gene/or transcript replacement.

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  • A non-replicating mRNA contains an open reading frame (ORF) encoding the gene coding for the target antigen flanked by 5′ and 3′ UTR; the 5′ end contains a 7-methylguanosine cap structure, whereas the 3′ end contains a poly(A) tail structure.

    “A non-replicating mRNA contains an open reading frame (ORF) encoding the gene coding for the target antigen flanked by 5′ and 3′ UTR. The 5′ end contains a 7-methylguanosine cap structure (5′-cap, m7G), whereas the 3′ end contains a poly(A) tail structure.”

    From Advances in COVID-19 mRNA vaccine development (2022) · cites this paper as [114]

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Research works printed but not linked: 1

  1. Phua KK Leong KW Nair SK Transfection efficiency and transgene expression kinetics of mRNA delivered in naked and nanoparticle format J Control Release 2013 166 227 33 23306021 PMC3594075

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Authors
Youn, H., & Chung, J.-K.
Affiliations
Seoul National University (KR)
Corresponding author
Chung, June-Key
Venue
Expert Opinion on Biological Therapy
Published
2015-06-30
Volume
15
Issue
9
Pages
1337-1348
ISSN
  • 1471-2598 (ISSN-L)
  • 1744-7682
OpenAlex
W1667670121
Cited by
114
References
73
Citations by year
2026: 11 · 2025: 11 · 2024: 8 · 2023: 17 · 2022: 12 · 2021: 10 · 2020: 8 · 2019: 14 · 2018: 10 · 2017: 7 · 2016: 6
FWCI
0.74
Type
journal article
Language
en
Open access
Licence
cc-by-nc-nd
Locations
  • Expert Opinion on Biological Therapy (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
  • Deutsches Krebsforschungszentrum
  • National Research Foundation (2011-0030001)
  • Seoul National University (2011-0030001)
  • Ministry of Science, ICT and Future Planning (2011‐0030001)
  • Korea Health Industry Development Institute (HI14C1072, HI13C0826)
  • National Research Foundation of Korea (2011‐0030001, HI14C1072)
  • Seoul National University Hospital
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
Keywords
mRNA modification, plasmid DNA, gene therapy, therapeutic vaccination, mRNA delivery, transfection efficiency, immunogenicity, in vivo gene therapy
MeSH terms
Animals, Humans, Nucleosides, Plasmids, RNA Caps, RNA, Messenger, Transfection, Vaccination, Genetic Therapy, Immunotherapy, Active, Untranslated Regions

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