The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.
TRPM2 links oxidative stress to NLRP3 inflammasome activation
Open accessAbstract
Exposure to particulate crystals can induce oxidative stress in phagocytes, which triggers NLRP3 inflammasome-mediated interleukin-1β secretion to initiate undesirable inflammatory responses that are associated with both autoinflammatory and metabolic diseases. Although mitochondrial reactive oxygen species have a central role in NLRP3 inflammasome activation, how reactive oxygen species signal assembly of the NLRP3 inflammasome remains elusive. Here, we identify liposomes as novel activators of the NLRP3 inflammasome and further demonstrate that liposome-induced inflammasome activation also requires mitochondrial reactive oxygen species. Moreover, we find that stimulation with liposomes/crystals induced reactive oxygen species-dependent calcium influx via the TRPM2 channel and that macrophages deficient in TRPM2 display drastically impaired NLRP3 inflammasome activation and interleukin-1β secretion. Consistently, Trpm2−/− mice are resistant to crystal-/liposome-induced interleukin-1β-mediated peritonitis in vivo. Together, these results identify TRPM2 as a key factor that links oxidative stress to the NLRP3 inflammasome activation. Therefore, targeting TRPM2 may be effective for the treatment of NLRP3 inflammasome-associated inflammatory disorders. Activation of the NLRP3 inflammasome by particulate matter such as crystals is known to depend on the generation of reactive oxygen species. Zhong et al. now show that liposomes stimulate the same pathway, and oxidative stress activates NLRP3 by promoting calcium influx through TRPM2 channels.
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Cites
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Cited by
The NLRP3 Inflammasome: an overview of mechanisms of activation and regulation
Kelley, N., Jeltema, D., Duan, Y., & He, Y. (2019) · International Journal of Molecular Sciences · doi:10.3390/ijms20133328 · Cited by 3,539
Activation and regulation of the inflammasomes
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DAMP-sensing receptors in sterile inflammation and inflammatory diseases
Gong, T., Liu, L., Jiang, W., & Zhou, R. (2020) · Nature Reviews Immunology · doi:10.1038/s41577-019-0215-7 · Cited by 1,672
Molecular mechanisms regulating NLRP3 inflammasome activation
Jo, E.-K., Kim, J. K., Shin, D.-M., & Sasakawa, C. (2016) · Cellular & Molecular Immunology · doi:10.1038/cmi.2015.95 · Cited by 1,378
NF-κB Restricts Inflammasome Activation via Elimination of Damaged Mitochondria
Zhong, Z., Umemura, A., Sanchez-Lopez, E., Liang, S., Shalapour, S., Wong, J., He, F., Boassa, D., Perkins, G., Ali, S. R., et al. (2016) · Cell · doi:10.1016/j.cell.2015.12.057 · Cited by 1,197
Self-citation
Metadata
- Authors
- Zhong, Z., Zhai, Y., Liang, S., Mori, Y., Han, R., Sutterwala, F. S., & Qiao, L.
- Venue
- Nature Communications
- Published
- 2013-03-19
- Volume
- 4
- Issue
- 1
- Pages
- 1611-1611
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W1994473516
- Cited by
- 375
- References
- 17
- FWCI
- 11.70
- Type
- journal article
- Language
- en
- Open access
- bronze
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