Abstract
The Epstein–Barr virus oncoprotein latent infection membrane protein 1 (LMP1) is a constitutively aggregated pseudo-tumor necrosis factor receptor (TNFR) that activates transcription factor NF-κB through two sites in its C-terminal cytoplasmic domain. One site is similar to activated TNFRII in associating with TNFR-associated factors TRAF1 and TRAF2, and the second site is similar to TNFRI in associating with the TNFRI death domain interacting protein TRADD. TNFRI has been recently shown to activate NF-κB through association with TRADD, RIP, and TRAF2; activation of the NF-κB-inducing kinase (NIK); activation of the IκBα kinases (IKKα and IKKβ); and phosphorylation of IκBα. IκBα phosphorylation on Ser-32 and Ser-36 is followed by its degradation and NF-κB activation. In this report, we show that NF-κB activation by LMP1 or by each of its effector sites is mediated by a pathway that includes NIK, IKKα, and IKKβ. Dominant negative mutants of NIK, IKKα, or IKKβ substantially inhibited NF-κB activation by LMP1 or by each of its effector sites.
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Sylla, B. S., Hung, S. C., Davidson, D. M., Hatzivassiliou, E., Malinin, N. L., Wallach, D., Gilmore, T. D., Kieff, E., & Mosialos, G. (1998). EpsteinâBarr virus-transforming protein latent infection membrane protein 1 activates transcription factor NF-κB through a pathway that includes the NF-κB-inducing kinase and the IκB kinases IKKα and IKKβ. Proceedings of the National Academy of Sciences, 95(17), 10106â10111.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 10:42 a.m.) |
Deposited | 2 years, 4 months ago (April 22, 2023, 8:29 a.m.) |
Indexed | 3 months ago (May 26, 2025, 1:23 a.m.) |
Issued | 27 years ago (Aug. 18, 1998) |
Published | 27 years ago (Aug. 18, 1998) |
Published Online | 27 years ago (Aug. 18, 1998) |
Published Print | 27 years ago (Aug. 18, 1998) |
@article{Sylla_1998, title={Epstein–Barr virus-transforming protein latent infection membrane protein 1 activates transcription factor NF-κB through a pathway that includes the NF-κB-inducing kinase and the IκB kinases IKKα and IKKβ}, volume={95}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.95.17.10106}, DOI={10.1073/pnas.95.17.10106}, number={17}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Sylla, Bakary S. and Hung, Siu Chun and Davidson, David M. and Hatzivassiliou, Eudoxia and Malinin, Nikolai L. and Wallach, David and Gilmore, Thomas D. and Kieff, Elliott and Mosialos, George}, year={1998}, month=aug, pages={10106–10111} }