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Nrf2 transcriptional derepression from Keap1 by dietary polyphenols

Overview of attention for article published in Biochemical & Biophysical Research Communications, December 2015
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Title
Nrf2 transcriptional derepression from Keap1 by dietary polyphenols
Published in
Biochemical & Biophysical Research Communications, December 2015
DOI 10.1016/j.bbrc.2015.11.103
Pubmed ID
Authors

Henry K. Bayele, Edward S. Debnam, Kaila S. Srai

Abstract

The liver expresses batteries of cytoprotective genes that confer cellular resistance to oxidative stress and xenobiotic toxins, and protection against cancer and other stress-related diseases. These genes are mainly regulated by Nrf2, making this transcription factor a target for small molecule discovery to treat such diseases. In this report, we identified dietary polyphenolic antioxidants that not only activated these genes but also relieved Nrf2 repression by Keap1, a Cul3-dependent ubiquitin ligase adaptor protein that mediates its degradation. Analysis of postprandial liver RNA revealed a marked activation of both genes by all test polyphenols compared with controls. Nrf2 inhibition by RNA interference reduced polyphenol effects on its target gene expression. Our data suggest that polyphenols may induce cellular defense genes by derepressing Nrf2 inhibition by Keap1. We posit that this ability to derepress Nrf2 and reactivate its target genes may underlie the protection conferred by polyphenols against oxidative stress-related diseases.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 45 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 45 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 11 24%
Student > Master 6 13%
Researcher 4 9%
Professor 4 9%
Lecturer 2 4%
Other 5 11%
Unknown 13 29%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 8 18%
Agricultural and Biological Sciences 8 18%
Medicine and Dentistry 5 11%
Pharmacology, Toxicology and Pharmaceutical Science 4 9%
Sports and Recreations 1 2%
Other 3 7%
Unknown 16 36%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 20 April 2018.
All research outputs
#22,759,802
of 25,374,917 outputs
Outputs from Biochemical & Biophysical Research Communications
#23,757
of 26,637 outputs
Outputs of similar age
#337,361
of 395,292 outputs
Outputs of similar age from Biochemical & Biophysical Research Communications
#190
of 292 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 26,637 research outputs from this source. They receive a mean Attention Score of 4.5. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 292 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.