Cited by 76RNA Interference and Gene DeliveryRNA and protein synthesis mechanismsRNA Research and Splicing

Self-Amplifying RNA Approach for Protein Replacement Therapy

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Papukashvili, Dimitri, Rcheulishvili, Nino, Liu, Cong, Ji, Yang, He, Yunjiao, Wang, Peng George·2022·International Journal of Molecular Sciences

Abstract

Messenger RNA (mRNA) technology has already been successfully tested preclinically and there are ongoing clinical trials for protein replacement purposes; however, more effort has been put into the development of prevention strategies against infectious diseases. Apparently, mRNA vaccine approval against coronavirus disease 2019 (COVID-19) is a landmark for opening new opportunities for managing diverse health disorders based on this approach. Indeed, apart from infectious diseases, it has also been widely tested in numerous directions including cancer prevention and the treatment of inherited disorders. Interestingly, self-amplifying RNA (saRNA)-based technology is believed to display more developed RNA therapy compared with conventional mRNA technique in terms of its lower dosage requirements, relatively fewer side effects, and possessing long-lasting effects. Nevertheless, some challenges still exist that need to be overcome in order to achieve saRNA-based drug approval in clinics. Hence, the current review discusses the feasibility of saRNA utility for protein replacement therapy on various health disorders including rare hereditary diseases and also provides a detailed overview of saRNA advantages, its molecular structure, mechanism of action, and relevant delivery platforms.

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Crossref · 10.3390/ijms232112884

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  • The current understanding of the field is that incorporating modified NTPs into saRNA abrogates downstream efficacy.

    “However, the current understanding of the field is that incorporating modified NTPs into saRNA abrogates downstream efficacy, as reported by multiple independent groups5,19–28.”

    From Complete substitution with modified nucleotides in self-amplifying RNA suppresses the interferon response and increases potency (2025) · cites this paper as [26]

    Section 4 (page unavailable) says modified nucleosides are not a reasonable way to avoid innate immune recognition in saRNA because the modifications would vanish after the first round of amplification. It does not say that incorporating modified NTPs abrogates downstream efficacy, nor does it report that multiple independent groups found that outcome. (LLM, conf=0.86)

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2 of the 129 references couldn’t be matched to a known paper.

Research works printed but not linked: 2

  1. [68]Stoller J.K. Hupertz V. Aboussouan L.S. Alpha-1 antitrypsin deficiency Gene Reviews Adam M.P. Everman D.B. Mirzaa G.M. Pagon R.A. Wallace S.E. Bean L.J.H. Gripp K.W. Amemiya A. University of Washington Seattle, WA, USA 2020 34 35 9781975126841 20301692
  2. [81]Walsh E.E. Frenck R.W. Falsey A.R. Kitchin N. Absalon J. Gurtman A. Lockhart S. Neuzil K. Mulligan M.J. Bailey R. Safety and Immunogenicity of Two RNA-Based Covid-19 Vaccine Candidates N. Engl. J. Med. 2020 383 2439 2450 10.1056/NEJMoa2027906 33053279 PMC7583697 · DOI · Paper page

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Authors
Papukashvili, D., Rcheulishvili, N., Liu, C., Ji, Y., He, Y., & Wang, P. G.
Affiliations
Southern University of Science and Technology (CN)
Corresponding author
  • He, Yunjiao
  • Wang, Peng George
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2022-10-25
Volume
23
Issue
21
Pages
12884
ISSN
1422-0067 (ISSN-L)
OpenAlex
W4307631582
Cited by
76
References
129
Citations by year
2026: 20 · 2025: 25 · 2024: 21 · 2023: 10
FWCI
1.46
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Shenzhen Science and Technology Innovation Program (KQTD20200909113758004)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
Keywords
self-amplifying RNA, protein replacement therapy, RNA therapeutics, rare hereditary disease, mechanism of action, mRNA vaccines, genetic disorders
MeSH terms
COVID-19, mRNA Vaccines, Humans, RNA, RNA, Messenger, Vaccines, Synthetic

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