Cited by 818Genomics, phytochemicals, and oxidative stressParkinson's Disease Mechanisms and TreatmentsRedox biology and oxidative stress

DJ-1, a cancer- and Parkinson’s disease-associated protein, stabilizes the antioxidant transcriptional master regulator Nrf2

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Clements, Casey M., McNally, Richard S., Conti, Brian J., Mak, Tak W., Ting, Jenny P.-Y.·2006·Proceedings of the National Academy of Sciences

Abstract

DJ-1/PARK7, a cancer- and Parkinson's disease (PD)-associated protein, protects cells from toxic stresses. However, the functional basis of this protection has remained elusive. We found that loss of DJ-1 leads to deficits in NQO1 [NAD(P)H quinone oxidoreductase 1], a detoxification enzyme. This deficit is attributed to a loss of Nrf2 (nuclear factor erythroid 2-related factor), a master regulator of antioxidant transcriptional responses. DJ-1 stabilizes Nrf2 by preventing association with its inhibitor protein, Keap1, and Nrf2's subsequent ubiquitination. Without intact DJ-1, Nrf2 protein is unstable, and transcriptional responses are thereby decreased both basally and after induction. This effect of DJ-1 on Nrf2 is present in both transformed lines and primary cells across human and mouse species. DJ-1's effect on Nrf2 and subsequent effects on antioxidant responses may explain how DJ-1 affects the etiology of both cancer and PD, which are seemingly disparate disorders. Furthermore, this DJ-1/Nrf2 functional axis presents a therapeutic target in cancer treatment and justifies DJ-1 as a tumor biomarker.

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Crossref · 10.1073/pnas.0607260103

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Authors
Clements, C. M., McNally, R. S., Conti, B. J., Mak, T. W., & Ting, J. P.-Y.
Affiliations
  • University of North Carolina at Chapel Hill (US)
  • University Health Network (CA)
Venue
Proceedings of the National Academy of Sciences
Published
2006-10-10
Volume
103
Issue
41
Pages
15091-15096
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2012112859
Cited by
818
References
45
Citations by year
2026: 19 · 2025: 28 · 2024: 42 · 2023: 41 · 2022: 40 · 2021: 51 · 2020: 50 · 2019: 35 · 2018: 40 · 2017: 54 · 2016: 47 · 2015: 50 · 2014: 43 · 2013: 45 · 2012: 47
FWCI
12.09
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed (publishedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • UNC Libraries
Funders
  • Stony Brook University
  • National Institutes of Health (2t32ar007416-25)
  • National Cancer Institute (P50 CA 58223, P50CA058223)
  • National Institute of Allergy and Infectious Diseases (AI-067798, U19AI067798)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (T32-AR007416, 5T32AR007416-24)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics, phytochemicals, and oxidative stress
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
DJ-1, Nrf2, Keap1, NQO1, protein stabilization, ubiquitination, antioxidant response, detoxification enzymes, Parkinson's disease, cancer, tumor markers, therapeutic target
MeSH terms
Protein Deglycase DJ-1, Kelch-Like ECH-Associated Protein 1, Animals, Antioxidants, Embryo, Mammalian, Fibroblasts, Humans, Mice, Inbred C57BL, Neoplasm Proteins, Parkinson Disease, Oncogene Proteins, Mice, Knockout, Ubiquitin, Cell Line, Tumor, Intracellular Signaling Peptides and Proteins, NF-E2-Related Factor 2, Mice, Peroxiredoxins

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