Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2006-1-5
pubmed:abstractText
IFN regulatory factor-3 is a transcription factor that is required for the rapid induction of type I IFNs in the innate antiviral response. Two noncanonical IkappaB kinase (IKK) family members, IKKepsilon and TRAF family-associated NF-kappaB activator-binding kinase-1, have been shown to phosphorylate IFN regulatory factor-3 and are critically involved in virus-triggered and TLR3-mediated signaling leading to induction of type I IFNs. In yeast two-hybrid screens for potential IKKepsilon-interacting proteins, we identified Ret finger protein (RFP) as an IKKepsilon-interacting protein. Coimmunoprecipitation experiments indicated that RFP interacted with IKKepsilon and TRAF family-associated NF-kappaB activator-binding kinase-1 as well as the two canonical IKK family members, IKKbeta and IKKalpha. RFP inhibited activation of the IFN-stimulated response element and/or NF-kappaB mediated by the IKK family members and triggered by TNF, IL-1, polyinosinic-polycytidylic acid (ligand for TLR3), and viral infection. Moreover, knockdown of RFP expression by RNA interference-enhanced activation of IFN-stimulated response element and/or NF-kappaB triggered by polyinosinic-polycytidylic acid, TNF, and IL-1. Taken together, our findings suggest that RFP negatively regulates signaling involved in the antiviral response and inflammation by targeting the IKKs.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
0022-1767
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
176
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1072-80
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
The Ret finger protein inhibits signaling mediated by the noncanonical and canonical IkappaB kinase family members.
pubmed:affiliation
Department of Cell Biology and Genetics, College of Life Sciences, Peking University, Beijing, China;
pubmed:publicationType
Journal Article, In Vitro, Research Support, Non-U.S. Gov't