Reference : Extending the nuclear roles of I kappa B kinase subunits
Scientific journals : Article
Life sciences : Biochemistry, biophysics & molecular biology
http://hdl.handle.net/2268/30740
Extending the nuclear roles of I kappa B kinase subunits
English
Gloire, Geoffrey mailto [Université de Liège - ULg > > Virologie - Immunologie >]
Dejardin, Emmanuel mailto [Université de Liège - ULg > > Virologie - Immunologie >]
Piette, Jacques mailto [Université de Liège - ULg > Département des sciences de la vie > Virologie - Immunologie >]
30-Oct-2006
Biochemical Pharmacology
Pergamon-Elsevier Science Ltd
72
9
1081-1089
Yes (verified by ORBi)
International
0006-2952
Oxford
[en] NF-kappa B ; IKK ; inflammation ; cytokines ; nucleus ; DNA damage
[en] The transcription factor NF-kappa B plays a key role in a wide variety of cellular processes such as innate and adaptive immunity, cellular proliferation, apoptosis and development. In unstimulated cells, NF-kappa B is sequestered in the cytoplasm through its tight association with inhibitory proteins called I kappa BS, comprising notably I kappa B alpha. A key step in NF-kappa B activation is the phosphorylation Of I kappa B alpha by the so-called I kappa B kinase (IKK) complex, which targets the inhibitory protein for proteasomal degradation and allows the freed NF-kappa B to enter the nucleus where it can transactivate its target genes. The IKK complex is composed of two catalytic subunits called IKK alpha and IKK beta, and a regulatory subunit called NEMO/IKK gamma. Despite their key role in mediating I kappa B alpha phosphorylation in the cytoplasm, recent works have provided evidence that IKK subunits also translocate into the nucleus to regulate NF-kappa B-dependent and -independent gene expression, paving the way of a novel and exciting field of research. In this review, we will describe the current knowledge in that research area. (c) 2006 Elsevier Inc. All rights reserved.
http://hdl.handle.net/2268/30740
10.1016/j.bcp.2006.06.017

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