NF-κB activation by tumour necrosis factor requires tie Akt serine- threonine kinase

Osman Nidal Ozes, Lindsey D. Mayo, Jason A. Gustin, Susan R. Pfeffer, Lawrence Pfeffer, David B. Donner

Research output: Contribution to journalArticle

1751 Citations (Scopus)

Abstract

Activation of the nuclear transcription factor NF-κB by inflammatory cytokines requires the successive action of NF-≃ B-inducing kinase (NIK) and an IκB-kinase (IKK) complex composed of IKKα and IKKβ. Here we show that the Akt serine-threonine kinase is involved in the activation of NF-κB by tumour necrosis factor (TNF). TNF activates phosphatidylinositol-3-OH kinase (PI(3)K) and its downstream target Akt (protein kinase B). Wortmannin (a PI(3)K inhibitor), dominant-negative PI [3)K or kinase-dead Akt inhibits TNF- mediated NF-κB activation. Constitutively active Akt induces NF-κB activity and this effect is blocked by dominant-negative NIK. Conversely, NIK activates NF-κB and this is blocked by kinase-dead Akt. Thus, both, Akt and NIK are necessary for TNF activation of NF-κB. Akt mediates IKKα phosphorylation at threonine 23. Mutation of this amino acid blocks phosphorylation by Akt or TNF and activation of NF-κB. These findings indicate that Akt is part of a signalling pathway that is necessary for inducing key immune and inflammatory responses.

Original languageEnglish (US)
Pages (from-to)82-85
Number of pages4
JournalNature
Volume401
Issue number6748
DOIs
StatePublished - Sep 2 1999

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Protein-Serine-Threonine Kinases
Phosphotransferases
Tumor Necrosis Factor-alpha
Phosphatidylinositol 3-Kinases
Phosphorylation
Proto-Oncogene Proteins c-akt
Threonine
Transcription Factors
Cytokines
Amino Acids
Mutation

All Science Journal Classification (ASJC) codes

  • General

Cite this

Ozes, O. N., Mayo, L. D., Gustin, J. A., Pfeffer, S. R., Pfeffer, L., & Donner, D. B. (1999). NF-κB activation by tumour necrosis factor requires tie Akt serine- threonine kinase. Nature, 401(6748), 82-85. https://doi.org/10.1038/43466

NF-κB activation by tumour necrosis factor requires tie Akt serine- threonine kinase. / Ozes, Osman Nidal; Mayo, Lindsey D.; Gustin, Jason A.; Pfeffer, Susan R.; Pfeffer, Lawrence; Donner, David B.

In: Nature, Vol. 401, No. 6748, 02.09.1999, p. 82-85.

Research output: Contribution to journalArticle

Ozes, ON, Mayo, LD, Gustin, JA, Pfeffer, SR, Pfeffer, L & Donner, DB 1999, 'NF-κB activation by tumour necrosis factor requires tie Akt serine- threonine kinase', Nature, vol. 401, no. 6748, pp. 82-85. https://doi.org/10.1038/43466
Ozes, Osman Nidal ; Mayo, Lindsey D. ; Gustin, Jason A. ; Pfeffer, Susan R. ; Pfeffer, Lawrence ; Donner, David B. / NF-κB activation by tumour necrosis factor requires tie Akt serine- threonine kinase. In: Nature. 1999 ; Vol. 401, No. 6748. pp. 82-85.
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