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Cited by 576

The DOI matches its Crossref record; 58 of the 58 references it cites were found in a registry or an index.

Basic Principles and Emerging Concepts in the Redox Control of Transcription Factors

Open access
Brigelius-Flohé, Regina, Flohé, Leopold·2011·Antioxidants & Redox Signaling

Abstract

Convincing concepts of redox control of gene transcription have been worked out for prokaryotes and lower eukaryotes, whereas the knowledge on complex mammalian systems still resembles a patchwork of poorly connected findings. The article, therefore, reviews principles of redox regulation with special emphasis on chemical feasibility, kinetic requirements, specificity, and physiological context, taking well investigated mammalian transcription factor systems, nuclear transcription factor of bone marrow-derived lymphocytes (NF-κB), and kelch-like ECH-associated protein-1 (Keap1)/Nrf2, as paradigms. Major conclusions are that (i) direct signaling by free radicals is restricted to O(2)•- and •NO and can be excluded for fast reacting radicals such as •OH, •OR, or Cl•; (ii) oxidant signals are H(2)O(2), enzymatically generated lipid hydroperoxides, and peroxynitrite; (iii) free radical damage is sensed via generation of Michael acceptors; (iv) protein thiol oxidation/alkylation is the prominent mechanism to modulate function; (v) redox sensors must be thiol peroxidases by themselves or proteins with similarly reactive cysteine or selenocysteine (Sec) residues to kinetically compete with glutathione peroxidase (GPx)- and peroxiredoxin (Prx)-type peroxidases or glutathione-S-transferases, respectively, a postulate that still has to be verified for putative mammalian sensors. S-transferases and Prxs are considered for system complementation. The impact of NF-κB and Nrf2 on hormesis, management of inflammatory diseases, and cancer prevention is critically discussed.

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Crossref · 10.1089/ars.2010.3534

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Metadata

Authors
Brigelius-Flohé, R., & Flohé, L.
Venue
Antioxidants & Redox Signaling
Published
2011-10-15
Volume
15
Issue
8
Pages
2335-2381
ISSN
  • 1523-0864 (ISSN-L)
  • 1557-7716
OpenAlex
W2083904981
Cited by
576
References
58
FWCI
18.46
Type
journal article
Language
en
Open access
hybrid

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