Format

Send to

Choose Destination
Antioxid Redox Signal. 2018 Dec 10;29(17):1727-1745. doi: 10.1089/ars.2017.7342. Epub 2017 Oct 20.

Transcriptional Regulation by Nrf2.

Author information

1
1 Cold Spring Harbor Laboratory , Cold Spring Harbor, New York.
2
2 Lustgarten Foundation Pancreatic Cancer Research Laboratory , Cold Spring Harbor, New York.

Abstract

SIGNIFICANCE:

Nuclear factor E2-related factor 2 (Nrf2) is a transcription factor that coordinates the basal and stress-inducible activation of a vast array of cytoprotective genes. Understanding the regulation of Nrf2 activity and downstream pathways has major implications for human health. Recent Advances: Nrf2 regulates the transcription of components of the glutathione and thioredoxin antioxidant systems, as well as enzymes involved in phase I and phase II detoxification of exogenous and endogenous products, NADPH regeneration, and heme metabolism. It therefore represents a crucial regulator of the cellular defense mechanisms against xenobiotic and oxidative stress. In addition to antioxidant responses, Nrf2 is involved in other cellular processes, such as autophagy, intermediary metabolism, stem cell quiescence, and unfolded protein response. Given the wide range of processes that Nrf2 controls, its activity is tightly regulated at multiple levels. Here, we review the different modes of regulation of Nrf2 activity and the current knowledge of Nrf2-mediated transcriptional control.

CRITICAL ISSUES:

It is now clear that Nrf2 lies at the center of a complex regulatory network. A full comprehension of the Nrf2 program will require an integrated consideration of all the different factors determining Nrf2 activity.

FUTURE DIRECTIONS:

Additional computational and experimental studies are needed to obtain a more dynamic global view of Nrf2-mediated gene regulation. In particular, studies comparing how the Nrf2-dependent network changes from a physiological to a pathological condition can provide insight into mechanisms of disease and instruct new treatment strategies.

KEYWORDS:

Nrf2; antioxidant response; transcription

Supplemental Content

Full text links

Icon for Atypon Icon for PubMed Central
Loading ...
Support Center