Cited by 699Genomics, phytochemicals, and oxidative stressNF-κB Signaling PathwaysNuclear Receptors and Signaling

NF-κB/p65 antagonizes Nrf2-ARE pathway by depriving CBP from Nrf2 and facilitating recruitment of HDAC3 to MafK

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Liu, Guang-Hui, Qu, Jing, Shen, Xun·2008·Biochimica et Biophysica Acta (BBA) - Molecular Cell Research

Abstract

Constitutively activated NF-kappaB occurs in many inflammatory and tumor tissues. Does it interfere with anti-inflammatory or anti-tumor signaling pathway? Here, we report that NF-kappaB p65 subunit repressed the Nrf2-antioxidant response element (ARE) pathway at transcriptional level. In the cells where NF-kappaB and Nrf2 were simultaneously activated, p65 unidirectionally antagonized the transcriptional activity of Nrf2. In the p65-overexpressing cells, the ARE-dependent expression of heme oxygenase-1 was strongly suppressed. However, p65 inhibited the ARE-driven gene transcription in a way that was independent of its own transcriptional activity. Two mechanisms were found to coordinate the p65-mediated repression of ARE: (1) p65 selectively deprives CREB binding protein (CBP) from Nrf2 by competitive interaction with the CH1-KIX domain of CBP, which results in inactivation of Nrf2. The inactivation depends on PKA catalytic subunit-mediated phosphorylation of p65 at S276. (2) p65 promotes recruitment of histone deacetylase 3 (HDAC3), the corepressor, to ARE by facilitating the interaction of HDAC3 with either CBP or MafK, leading to local histone hypoacetylation. This investigation revealed the participation of NF-kappaB p65 in the negative regulation of Nrf2-ARE signaling, and might provide a new insight into a possible role of NF-kappaB in suppressing the expression of anti-inflammatory or anti-tumor genes.

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Crossref · 10.1016/j.bbamcr.2008.01.002

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  • Decreased levels of Nrf2, a transcription factor negatively regulated by NF-κB and involved in antioxidant response mechanisms, have been reported in brains of Alzheimer's disease patients.

    “In addition, decreased levels of Nrf2, a transcription factor negatively regulated by NF-κB (Liu et al., 2008) that is involved in antioxidants response mechanisms (Nair et al., 2008), have been reported in the brains of AD patients (Ramsey et al., 2007).”

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Authors
Liu, G.-H., Qu, J., & Shen, X.
Affiliations
Chinese Academy of Sciences (CN)
Corresponding author
Shen, Xun
Venue
Biochimica et Biophysica Acta (BBA) - Molecular Cell Research
Publisher
Elsevier BV
Published
2008-05
Volume
1783
Issue
5
Pages
713-727
ISSN
0167-4889 (ISSN-L)
OpenAlex
W2113024198
Cited by
697
References
77
Citations by year
2026: 54 · 2025: 45 · 2024: 51 · 2023: 47 · 2022: 68 · 2021: 51 · 2020: 59 · 2019: 59 · 2018: 47 · 2017: 38 · 2016: 32 · 2015: 33 · 2014: 15 · 2013: 28 · 2012: 13
FWCI
7.82
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Molecular Cell Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (30330250, 30570462)
  • Shanghai Municipal Education Commission (E-04010)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics, phytochemicals, and oxidative stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
Keywords
NF-κB p65, Nrf2, antioxidant response element, CBP, HDAC3, MafK, heme oxygenase-1, transcriptional repression, histone deacetylation, histone hypoacetylation, PKA phosphorylation, corepressor recruitment, anti-inflammatory signaling
MeSH terms
Histone Deacetylase 3, Antioxidants, Cell Line, Gene Expression Regulation, Histone Deacetylases, Humans, Transcription, Genetic, Trans-Activators, NF-kappa B, Response Elements, CREB-Binding Protein, MafK Transcription Factor, NF-E2-Related Factor 2, Transcription Factor RelA

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