Cited by 573Genomics, phytochemicals, and oxidative stressMechanisms of cancer metastasisHeme Oxygenase-1 and Carbon Monoxide

Nrf2 Activation Promotes Lung Cancer Metastasis by Inhibiting the Degradation of Bach1

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Lignitto, Luca, LeBoeuf, Sarah E., Homer, Harrison, Jiang, Shaowen, Askenazi, Manor, Karakousi, Triantafyllia R., Pass, Harvey I., Bhutkar, Arjun J. +5 more·2019·Cell

Abstract

Approximately 30% of human lung cancers acquire mutations in either Keap1 or Nfe2l2, resulting in the stabilization of Nrf2, the Nfe2l2 gene product, which controls oxidative homeostasis. Here, we show that heme triggers the degradation of Bach1, a pro-metastatic transcription factor, by promoting its interaction with the ubiquitin ligase Fbxo22. Nrf2 accumulation in lung cancers causes the stabilization of Bach1 by inducing Ho1, the enzyme catabolizing heme. In mouse models of lung cancers, loss of Keap1 or Fbxo22 induces metastasis in a Bach1-dependent manner. Pharmacological inhibition of Ho1 suppresses metastasis in a Fbxo22-dependent manner. Human metastatic lung cancer display high levels of Ho1 and Bach1. Bach1 transcriptional signature is associated with poor survival and metastasis in lung cancer patients. We propose that Nrf2 activates a metastatic program by inhibiting the heme- and Fbxo22-mediated degradation of Bach1, and that Ho1 inhibitors represent an effective therapeutic strategy to prevent lung cancer metastasis.

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Authors
Lignitto, L., LeBoeuf, S. E., Homer, H., Jiang, S., Askenazi, M., Karakousi, T. R., Pass, H. I., Bhutkar, A. J., Tsirigos, A., Ueberheide, B., Sayin, V. I., Papagiannakopoulos, T., & Pagano, M.
Affiliations
  • NYU Langone Health (US)
  • Koch Institute for Integrative Cancer Research At MIT (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
  • Papagiannakopoulos, Thales
  • Pagano, Michele
Venue
Cell
Publisher
Elsevier BV
Published
2019-07
Volume
178
Issue
2
Pages
316-329.e18
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2955964880
Cited by
573
References
76
Citations by year
2026: 43 · 2025: 72 · 2024: 66 · 2023: 100 · 2022: 81 · 2021: 106 · 2020: 86 · 2019: 17
FWCI
24.16
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Howard Hughes Medical Institute
  • American-Italian Cancer Foundation
  • American Cancer Society (RSG-17-200-01\u2013TBE)
  • National Institutes of Health (R01GM57587, R01CA76584, R37CA222504, R01CA227649, T32HL007151, S10OD018338, K22CA201088, S10OD01058, S10OD010582)
  • European Commission
  • Associazione Italiana per la Ricerca sul Cancro
  • Marie Curie
  • Wenner-Gren Foundation
  • Stanford Genome Technology Center
  • Svenska Läkaresällskapet
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics, phytochemicals, and oxidative stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mechanisms of cancer metastasis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heme Oxygenase-1 and Carbon Monoxide
Keywords
Nrf2, lung cancer metastasis, BACH1, heme, FBXO22, Keap1, heme oxygenase-1, protein degradation, ubiquitin ligase, oxidative homeostasis, metastasis treatment
MeSH terms
Kelch-Like ECH-Associated Protein 1, Animals, Cell Movement, Female, Humans, Lung Neoplasms, Male, Mice, Inbred C57BL, Neoplasm Metastasis, Transcriptional Activation, Receptors, Cytoplasmic and Nuclear, Mice, Knockout, RNA Interference, RNA, Small Interfering, F-Box Proteins, Cell Line, Tumor, Basic-Leucine Zipper Transcription Factors, NF-E2-Related Factor 2, Mice, Heme Oxygenase-1, Kaplan-Meier Estimate

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