Cited by 113Immune Response and Inflammationinterferon and immune responsesInvertebrate Immune Response Mechanisms

RNA Mediated toll-like receptor stimulation in health and disease

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Dalpke, Alexander H., Helm, Mark·2012·RNA Biology

Abstract

Besides their well known functions in storage and translation of information nucleic acids have emerged as a target of pattern recognition receptors that drive activation of innate immunity. Due to the paucity of building block monomers used in nucleic acids, discrimination of host and microbial nucleic acids as a means of self/foreign discrimination is a complicated task. Pattern recognition receptors rely on discrimination by sequence, structural features and spatial compartmentalization to differentiate microbial derived nucleic acids from host ones. Microbial nucleic acid detection is important for the sensing of infectious danger and initiating an immune response to microbial attack. Failures in the underlying recognitions systems can have severe consequences: thus, inefficient recognition of microbial nucleic acids may increase susceptibility to infectious diseases. On the other hand, excessive immune responses as a result of failed self/foreign discrimination are associated with autoimmune diseases. This review gives a general overview over the underlying concepts of nucleic acid sensing by Toll-like receptors. Within this general framework, we focus on bacterial RNA and synthetic RNA oligomers.

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  • Unmodified mRNA itself provides adjuvant activity through binding and activation of the innate immune sensors, mainly TLRs 3, 7, and 8.

    “Unmodified mRNA itself provides adjuvant activity through binding and activation of the innate immune sensors, mainly TLRs 3, 7, and 8 (39).”

    From mRNA vaccine with unmodified uridine induces robust type I interferon-dependent anti-tumor immunity in a melanoma model (2022) · cites this paper as [39]

    The section on posttranscriptional modifications reports that RNA activates TLR3, TLR7 and TLR8, and that certain modifications suppress this activation. The section on synthetic RNA identifies potential vaccine-adjuvant activity, but it discusses RNA oligonucleotides rather than establishing that unmodified mRNA itself provides adjuvant activity mainly through those three receptors. (LLM, conf=0.84)

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Authors
Dalpke, A. H., & Helm, M.
Affiliations
  • Heidelberg University (DE)
  • Johannes Gutenberg University Mainz (DE)
Corresponding author
Helm, Mark
Venue
RNA Biology
Published
2012-06
Volume
9
Issue
6
Pages
828-842
ISSN
  • 1547-6286 (ISSN-L)
  • 1555-8584
OpenAlex
W1994331999
Cited by
113
References
193
Citations by year
2026: 4 · 2025: 13 · 2024: 5 · 2023: 16 · 2022: 16 · 2021: 12 · 2020: 13 · 2019: 9 · 2018: 7 · 2017: 5 · 2016: 4 · 2015: 2 · 2014: 2 · 2013: 5
FWCI
0.27
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • RNA Biology (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Immunology and Microbiology › Immunology › Invertebrate Immune Response Mechanisms
Keywords
Toll-like receptors, RNA sensing, pattern recognition receptors, innate immunity, bacterial RNA, nucleic acid recognition, autoimmune disease, infection susceptibility
MeSH terms
Animals, Autoimmune Diseases, Bacteria, Bacterial Infections, Base Sequence, DNA, Bacterial, Humans, Immunity, Innate, Nucleic Acid Conformation, Protein Binding, RNA, Bacterial, RNA, Small Interfering, Toll-Like Receptors

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