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Functional relevance of novel p300-mediated lysine 314 and 315 acetylation of RelA/p65 - Zurich Open Repository and Archive


Buerki, C; Rothgiesser, K M; Valovka, T; Owen, H R; Rehrauer, H; Fey, M; Lane, W S; Hottiger, M O (2008). Functional relevance of novel p300-mediated lysine 314 and 315 acetylation of RelA/p65. Nucleic Acids Research, 36(5):1665-1680.

Abstract

Nuclear factor kappaB (NF-kappaB) plays an important role in the transcriptional regulation of genes involved in immunity and cell survival. We show here in vitro and in vivo acetylation of RelA/p65 by p300 on lysine 314 and 315, two novel acetylation sites. Additionally, we confirmed the acetylation on lysine 310 shown previously. Genetic complementation of RelA/p65-/- cells with wild type and non-acetylatable mutants of RelA/p65 (K314R and K315R) revealed that neither shuttling, DNA binding nor the induction of anti-apoptotic genes by tumor necrosis factor alpha was affected by acetylation on these residues. Microarray analysis of these cells treated with TNFalpha identified specific sets of genes differently regulated by wild type or acetylation-deficient mutants of RelA/p65. Specific genes were either stimulated or repressed by the acetylation-deficient mutants when compared to RelA/p65 wild type. These results support the hypothesis that site-specific p300-mediated acetylation of RelA/p65 regulates the specificity of NF-kappaB dependent gene expression.

Abstract

Nuclear factor kappaB (NF-kappaB) plays an important role in the transcriptional regulation of genes involved in immunity and cell survival. We show here in vitro and in vivo acetylation of RelA/p65 by p300 on lysine 314 and 315, two novel acetylation sites. Additionally, we confirmed the acetylation on lysine 310 shown previously. Genetic complementation of RelA/p65-/- cells with wild type and non-acetylatable mutants of RelA/p65 (K314R and K315R) revealed that neither shuttling, DNA binding nor the induction of anti-apoptotic genes by tumor necrosis factor alpha was affected by acetylation on these residues. Microarray analysis of these cells treated with TNFalpha identified specific sets of genes differently regulated by wild type or acetylation-deficient mutants of RelA/p65. Specific genes were either stimulated or repressed by the acetylation-deficient mutants when compared to RelA/p65 wild type. These results support the hypothesis that site-specific p300-mediated acetylation of RelA/p65 regulates the specificity of NF-kappaB dependent gene expression.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Functional Genomics Center Zurich
05 Vetsuisse Faculty > Department of Molecular Mechanisms of Disease
07 Faculty of Science > Department of Molecular Mechanisms of Disease

08 University Research Priority Programs > Systems Biology / Functional Genomics
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:March 2008
Deposited On:04 Feb 2009 06:56
Last Modified:03 Aug 2017 14:59
Publisher:Oxford University Press
ISSN:0305-1048
Additional Information:Full final text Oxford Journal
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1093/nar/gkn003
PubMed ID:18263619

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