Cited by 132Immunotherapy and Immune ResponsesRNA Interference and Gene DeliveryNanoparticle-Based Drug Delivery

Co-delivery of nucleoside-modified mRNA and TLR agonists for cancer immunotherapy: restoring the immunogenicity of immunosilent mRNA

Open access
Verbeke, Rein, Lentacker, Ine, Wayteck, Laura, Breckpot, Karine, Van Bockstal, Mieke, Descamps, Benedicte, Vanhove, Christian, De Smedt, Stefaan C. +1 more·2017·Journal of Controlled Release

Abstract

This study reports on the design of mRNA and adjuvant-loaded lipid nanoparticles for therapeutic cancer vaccination. The use of nucleoside-modified mRNA has previously been shown to improve the translational capacity and safety of mRNA-therapeutics, as it prevents the induction of type I interferons (IFNs). However, type I IFNs were identified as the key molecules that trigger the activation of antigen presenting cells, and as such drive T cell immunity. We demonstrate that nucleoside-modified mRNA can be co-delivered with the clinically approved TLR agonist monophosphoryl lipid A (MPLA). As such, we simultaneously allow high antigen expression in vivo while substituting the type I IFN response by a more controllable adjuvant. This strategy shows promise to induce effective antigen-specific T cell immunity and may be useful to enhance the safety of mRNA vaccines.

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Crossref · 10.1016/j.jconrel.2017.09.041

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  • Several preclinical studies have indicated that an unmodified mRNA platform induces a more pronounced type-I IFN-polarized innate immune response.

    “Several preclinical studies have indicated that an unmodified mRNA platform induces a more pronounced type-I IFN-polarized innate immune response [11,62]”

    From The dawn of mRNA vaccines: the COVID-19 case (2021) · cites this paper as [62]

  • Cationic mRNA LNPs composed of a cationic lipid and cholesterol, or DOPE, primarily target the lungs, where they transfect tissue-resident DCs, macrophages and endothelial cells.

    “In comparison, cationic mRNA LNPs composed of a cationic lipid and cholesterol, or DOPE were found to primarily target the lungs, where they transfect tissueresident DCs, macrophages and endothelial cells [142,157,158].”

    From Three decades of messenger RNA vaccine development (2019) · cites this paper as [157]

  • Nucleoside-modified mRNA LNPs outperform unmodified mRNA LNPs in translation capacity, but fail to elicit successful CTL responses due to drastically reduced production of type I IFNs.

    “Comparative studies performed by our research group and others demonstrated that nucleoside-modified mRNA LNPs outperformed unmodified mRNA LNPs in translation capacity, but failed to elicit successful CTL responses due to the drastically reduced production of type I IFNs [119,157].”

    From Three decades of messenger RNA vaccine development (2019) · cites this paper as [157]

  • In a proof-of-concept study, nucleoside-modified mRNA co-delivered with the clinically approved TLR agonist MPLA achieved functional CTL responses like unmodified mRNA, but with strongly reduced type I IFN responses.

    “In a proof-of-concept study, we demonstrated that nucleoside-modified mRNA can be co-delivered with the clinically approved TLR agonist MPLA, achieving functional CTL responses like unmodified mRNA, but with strongly reduced type I IFN responses [157].”

    From Three decades of messenger RNA vaccine development (2019) · cites this paper as [157]

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Authors
Verbeke, R., Lentacker, I., Wayteck, L., Breckpot, K., Van Bockstal, M., Descamps, B., Vanhove, C., De Smedt, S. C., & Dewitte, H.
Affiliations
  • Ghent University Hospital (BE)
  • Vrije Universiteit Brussel (BE)
  • Ghent University (BE)
Venue
Journal of Controlled Release
Publisher
Elsevier BV
Published
2017-11
Volume
266
Pages
287-300
ISSN
0168-3659 (ISSN-L)
OpenAlex
W2762387202
Cited by
132
References
66
Citations by year
2026: 6 · 2025: 15 · 2024: 15 · 2023: 14 · 2022: 20 · 2021: 20 · 2020: 16 · 2019: 17 · 2018: 9
FWCI
5.19
Type
journal article
Language
en
Open access
Locations
  • Journal of Controlled Release (publishedVersion)
  • PubMed (publishedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
  • Digital Access to Libraries (submittedVersion, other-oa)
  • VUBIR (Vrije Universiteit Brussel) (submittedVersion)
Funders
FWO (G016513N, G0B2814N)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
Keywords
nucleoside-modified mRNA, TLR agonists, monophosphoryl lipid A, lipid nanoparticles, cancer immunotherapy, mRNA vaccines, type I interferon, adjuvants, antigen-presenting cells, T cell immunity
MeSH terms
Animals, Cytidine, Dendritic Cells, Female, Immunotherapy, Lipid A, Lipids, Mice, Inbred C57BL, Neoplasms, RNA, Messenger, Cancer Vaccines, Toll-Like Receptors

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