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Nod2, a Nod1/Apaf-1 Family Member That Is Restricted to Monocytes and Activates NF-κB

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Ogura, Yasunori, Inohara, Naohiro, Benito, Adalberto, Chen, Felicia F., Yamaoka, Shoji, Núñez, Gabriel·2001·Journal of Biological Chemistry

Abstract

Apaf-1 and Nod1 are members of a protein family, each of which contains a caspase recruitment domain (CARD) linked to a nucleotide-binding domain, which regulate apoptosis and/or NF-kappaB activation. Nod2, a third member of the family, was identified. Nod2 is composed of two N-terminal CARDs, a nucleotide-binding domain, and multiple C-terminal leucine-rich repeats. Although Nod1 and Apaf-1 were broadly expressed in tissues, the expression of Nod2 was highly restricted to monocytes. Nod2 induced nuclear factor kappaB (NF-kappaB) activation, which required IKKgamma and was inhibited by dominant negative mutants of IkappaBalpha, IKKalpha, IKKbeta, and IKKgamma. Nod2 interacted with the serine-threonine kinase RICK via a homophilic CARD-CARD interaction. Furthermore, NF-kappaB activity induced by Nod2 correlated with its ability to interact with RICK and was specifically inhibited by a truncated mutant form of RICK containing its CARD. The identification of Nod2 defines a subfamily of Apaf-1-like proteins that function through RICK to activate a NF-kappaB signaling pathway.

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Metadata

Authors
Ogura, Y., Inohara, N., Benito, A., Chen, F. F., Yamaoka, S., & Núñez, G.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2001-02
Volume
276
Issue
7
Pages
4812-4818
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2086607027
Cited by
1,361
References
1
FWCI
33.46
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Nod2, a Nod1/Apaf-1 Family Member That Is Restricted to Monocytes and Activates NF-κB. https://app.cochat.ai/papers/10.1074/jbc.m008072200
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Ogura, Y., Inohara, N., Benito, A., Chen, F. F., Yamaoka, S., & Núñez, G. (2001). Nod2, a Nod1/Apaf-1 Family Member That Is Restricted to Monocytes and Activates NF-κB. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m008072200

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