The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
Intracellular antibody-bound pathogens stimulate immune signaling via the Fc receptor TRIM21
Open accessAbstract
During pathogen infection, antibodies can be carried into the infected cell, where they are detected by the ubiquitously expressed cytosolic antibody receptor TRIM21. Here we found that recognition of intracellular antibodies by TRIM21 activated immune signaling. TRIM21 catalyzed the formation of Lys63 (K63)-linked ubiquitin chains and stimulated the transcription factor pathways of NF-κB, AP-1, IRF3, IRF5 and IRF7. Activation resulted in the production of proinflammatory cytokines, modulation of natural killer stress ligands and induction of an antiviral state. Intracellular antibody signaling was abrogated by genetic deletion of TRIM21 and was restored by ectopic expression of TRIM21. The sensing of antibodies by TRIM21 was stimulated after infection by DNA or RNA nonenveloped viruses or intracellular bacteria. Thus, the antibody-TRIM21 detection system provides potent, comprehensive activation of the innate immune system independently of known pattern-recognition receptors.
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The function of Fcγ receptors in dendritic cells and macrophages
Guilliams, M., Bruhns, P., Saeys, Y., Hammad, H., & Lambrecht, B. N. (2014) · Nature Reviews Immunology · doi:10.1038/nri3582 · Cited by 639
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Metadata
- Authors
- McEwan, W. A., Tam, J. C. H., Watkinson, R. E., Bidgood, S. R., Mallery, D. L., & James, L. C.
- Venue
- Nature Immunology
- Published
- 2013-03-03
- Volume
- 14
- Issue
- 4
- Pages
- 327-336
- ISSN
- 1529-2908 (ISSN-L)
- 1529-2916
- OpenAlex
- W1967761542
- Cited by
- 372
- References
- 41
- FWCI
- 16.68
- Type
- journal article
- Language
- en
- Open access
- green
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