The acetyltransferase p300 regulates NRF2 stability and localization
Abstract: The transcription factor NRF2 plays a key role in the protection against environmental stress and maintaining cellular homeostasis. The acetyltransferase p300 is a known component of the NRF2 transcriptional complex and promotes its transcriptional activity. In this study we describe a novel mechanism by which p300 facilitates NRF2 activity. p300 physically interacts with NRF2 and interferes with NRF2-KEAP1 complex formation. In particular, p300 increases NRF2 protein abundance and stability, thereby promoting NRF2 nuclear localization. Notably, the acetyltransferase activity of p300 was indispensable for the stabilizing effects towards NRF2. Furthermore, overexpression of p300 protected HEK293T cells from oxidative stress and increased viability. Together our study uncovers a link between p300 and control of NRF2-KEAP1 signaling via regulation of NRF2 stability and this may act as a novel checkpoint on the adaptation to oxidative stress
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Notes
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Biochemical and biophysical research communications. - 524, 4 (2020) , 895-902, ISSN: 0006-291X
- Keyword
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Oxidativer Stress
- Event
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Veröffentlichung
- (where)
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Freiburg
- (who)
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Universität
- (when)
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2020
- DOI
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10.1016/j.bbrc.2020.02.006
- URN
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urn:nbn:de:bsz:25-freidok-1655150
- Rights
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Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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25.03.2025, 1:44 PM CET
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
Time of origin
- 2020
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Die Acetyltransferase CBP-1/p300 reguliert SKN-1/Nrf abhängige Signalwege
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