Nrf2: a main responsive element in cells to mycotoxin-induced toxicity

Arch Toxicol. 2021 May;95(5):1521-1533. doi: 10.1007/s00204-021-02995-4. Epub 2021 Feb 8.

Abstract

Nuclear factor erythroid 2-like 2 (Nrf2) is a transcription factor participating in response to cellular oxidative stress to maintain the redox balance. Generation of reactive oxygen species (ROS) and, in consequence, oxidative stress, are physiological as well as pathological processes which take place in almost all types of cells. Nrf2, in response to oxidative stress, activates expression and production of antioxidant enzymes to remove free radicals. However, the role of Nrf2 seems to be more sophisticated and its increased expression observed in cancer cells allows to draw a conclusion that its role is tissue-and condition-dependent. Interestingly, Nrf2 might also play a crucial role in response to environmental factors like mycotoxins. Thus, the aim of the study is to review the role of Nrf2 in cells exposed to most common mycotoxins to check if the Nrf2 signaling pathway serves as the main response element to mycotoxin-induced oxidative stress in human and animal cells and if it can be a target of detoxifying agents.

Keywords: Antioxidants; Mycotoxins; Nrf2; Oxidative stress.

Publication types

  • Research Support, Non-U.S. Gov't
  • Review

MeSH terms

  • Animals
  • Antioxidant Response Elements / physiology
  • Antioxidants
  • Gene Expression Regulation
  • Humans
  • Mycotoxins / toxicity*
  • NF-E2-Related Factor 2 / metabolism*
  • Oxidation-Reduction
  • Oxidative Stress
  • Reactive Oxygen Species
  • Response Elements
  • Signal Transduction

Substances

  • Antioxidants
  • Mycotoxins
  • NF-E2-Related Factor 2
  • Reactive Oxygen Species