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Title 

Thioredoxin-interacting protein links oxidative stress to inflammasome activation

Authors 

R ZhouA TardivelB ThorensIn Pyo ChoiJ Tschopp

Publisher 

Nature Publishing Group

Issue Date 

2010

Citation 

Nature Immunology, vol. 11, no. 2, pp. 136-140

Abstract 

The NLRP3 inflammasome has a major role in regulating innate immunity. Deregulated inflammasome activity is associated with several inflammatory diseases, yet little is known about the signaling pathways that lead to its activation. Here we show that NLRP3 interacted with thioredoxin (TRX)-interacting protein (TXNIP), a protein linked to insulin resistance. Inflammasome activators such as uric acid crystals induced the dissociation of TXNIP from thioredoxin in a reactive oxygen species (ROS)-sensitive manner and allowed it to bind NLRP3. TXNIP defficiency impaired activation of the NLRP3 inflammasome and subsequent secretion of interleukin 1Β (IL-1Β). Akin to Txnip/ mice, Nlrp3/ mice showed improved glucose tolerance and insulin sensitivity. The participation of TXNIP in the NLRP3 inflammasome activation may provide a mechanistic link to the observed involvement of IL-1Β in the pathogenesis of type 2 diabetes.

ISSN 

1529-2908

Link 

http://dx.doi.org/10.1038/ni.1831

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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