Human Interaction Network Ontology

Last uploaded: June 27, 2014
Preferred Name

IRAK2 is phosphorylated downstream of IRAK4 following IL1 receptor activation
Synonyms
Definitions

Authored: Ray, KP, 2010-05-17 Reviewed: Pinteaux, E, 2010-05-17 IRAK2 has been implicated in IL1R and TLR signaling by the observation that IRAK2 can associate with MyD88 and Mal (Muzio et al. 1997). Like IRAK1, IRAK2 is activated downstream of IRAK4 (Kawagoe et al. 2008). It has been suggested that IRAK1 activates IRAK2 (Wesche et al. 1999) but IRAK2 phosphorylation is observed in IRAK1–/– mouse macrophages while IRAK4 deficiency abrogates IRAK2 phosphorylation (Kawagoe et al. 2008), suggesting that activated IRAK4 phosphorylates IRAK2 as it does IRAK1. IL6 production in response to IL1beta is impaired in embryonic fibroblasts from IRAK1 or IRAK2 knockout mice and abrogated in IRAK1/2 dual knockouts (Kawagoe et al. 2007) suggesting that IRAK1 and IRAK2 are both involved in IL1R signaling downstream of IRAK4. Edited: Jupe, S, 2010-05-17

ID

http://purl.obolibrary.org/obo/HINO_0007195

comment

Authored: Ray, KP, 2010-05-17

Reviewed: Pinteaux, E, 2010-05-17

IRAK2 has been implicated in IL1R and TLR signaling by the observation that IRAK2 can associate with MyD88 and Mal (Muzio et al. 1997). Like IRAK1, IRAK2 is activated downstream of IRAK4 (Kawagoe et al. 2008). It has been suggested that IRAK1 activates IRAK2 (Wesche et al. 1999) but IRAK2 phosphorylation is observed in IRAK1–/– mouse macrophages while IRAK4 deficiency abrogates IRAK2 phosphorylation (Kawagoe et al. 2008), suggesting that activated IRAK4 phosphorylates IRAK2 as it does IRAK1. IL6 production in response to IL1beta is impaired in embryonic fibroblasts from IRAK1 or IRAK2 knockout mice and abrogated in IRAK1/2 dual knockouts (Kawagoe et al. 2007) suggesting that IRAK1 and IRAK2 are both involved in IL1R signaling downstream of IRAK4.

Edited: Jupe, S, 2010-05-17

definition source

Pubmed12150927

Pubmed18438411

Reactome, http://www.reactome.org

Pubmed9374458

Pubmed17878161

has input

http://purl.obolibrary.org/obo/UniProt_O43187

http://purl.obolibrary.org/obo/HINO_0027465

has output

http://purl.obolibrary.org/obo/UniProt_O43187

label

IRAK2 is phosphorylated downstream of IRAK4 following IL1 receptor activation

prefixIRI

HINO:0007195

prefLabel

IRAK2 is phosphorylated downstream of IRAK4 following IL1 receptor activation

seeAlso

Reactome Database ID Release 43446684

ReactomeREACT_22435

subClassOf

http://purl.obolibrary.org/obo/INO_0000040

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