Cited by 110Immune Response and Inflammationinterferon and immune responsesInflammasome and immune disorders

Cytoplasmic Mechanisms of Recognition and Defense of Microbial Nucleic Acids

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Hu, Ming-Ming, Shu, Hong-Bing·2018·Annual Review of Cell and Developmental Biology

Abstract

Microbial nucleic acids are major signatures of invading pathogens, and their recognition by various host pattern recognition receptors (PRRs) represents the first step toward an efficient innate immune response to clear the pathogens. The nucleic acid–sensing PRRs are localized at the plasma membrane, the cytosol, and/or various cellular organelles. Sensing of nucleic acids and signaling by PRRs involve recruitment of distinct signaling components, and PRRs are intensively regulated by cellular organelle trafficking. PRR-mediated innate immune responses are also heavily regulated by posttranslational modifications, including phosphorylation, polyubiquitination, sumoylation, and glutamylation. In this review, we focus on our current understanding of recognition of microbial nucleic acid by PRRs, particularly on their regulation by organelle trafficking and posttranslational modifications. We also discuss how sensing of self nucleic acids and dysregulation of PRR-mediated signaling lead to serious human diseases.

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Crossref · 10.1146/annurev-cellbio-100617-062903

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163 of 163 references verified0 citation errors · 0 not checkable

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  • The interaction of dECM scaffolds with the innate immune system is mainly mediated via DAMPs, danger signals released upon cell and ECM damage during graft processing or implantation.

    “The interaction of dECM scaffolds with the innate immune system is mainly mediated via damage-associated molecular patterns (DAMPs), danger signals released upon the cell and ECM damage during graft processing or implantation.”
  • Nuclear and mitochondrial DNA, ROS, and fragmented ECM components such as hyaluronic acid or fibronectin are among the most renowned DAMPs.

    “Nuclear and mitochondrial DNA, reactive oxygen species (ROS), and fragmented ECM components such as hyaluronic acid or fibronectin are among the most renowned DAMPs, which are released due to perturbation in the arrangement of nucleic acids within cells, transplantation imperfections such as ischemia-reperfusion, and harsh decellularization strategies, respectively [34–37].”

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Authors
Hu, M.-M., & Shu, H.-B.
Affiliations
Wuhan University (CN)
Venue
Annual Review of Cell and Developmental Biology
Published
2018-10-06
Volume
34
Issue
1
Pages
357-379
ISSN
  • 1081-0706 (ISSN-L)
  • 1530-8995
OpenAlex
W2887534894
Cited by
110
References
163
Citations by year
2026: 6 · 2025: 19 · 2024: 8 · 2023: 13 · 2022: 23 · 2021: 10 · 2020: 15 · 2019: 14 · 2018: 2
FWCI
1.05
Type
journal article
Language
en
Open access
Locations
  • Annual Review of Cell and Developmental Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (31521091, 31630045)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
Keywords
pattern recognition receptors, innate immunity, organelle trafficking, post-translational modification, phosphorylation, polyubiquitination, SUMOylation, glutamylation, host-pathogen recognition
MeSH terms
Bacteria, Cytoplasm, DNA, Bacterial, Humans, Immunity, Innate, Nucleic Acids, Protein Processing, Post-Translational, Signal Transduction, Receptors, Pattern Recognition, Host-Pathogen Interactions

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