Cited by 35Redox biology and oxidative stressGlutathione Transferases and PolymorphismsAntioxidant Activity and Oxidative Stress

The DOI matches its Crossref record.

Alkylation-Induced Oxidative Cell Injury of Renal Proximal Tubular Cells: Involvement of Glutathione Redox-Cycle Inhibition

van de Water, Bob, Zoeteweij, J.Paul, Nagelkerke, J.Fred·1996·Archives of Biochemistry and Biophysics

Abstract

The nephrotoxicant S-(1,2-dichlorovinyl)-L-cysteine (DCVC) is an alkylating agent that causes oxidative stress and subsequently death of renal proximal tubular cells (PTC). In this paper the role of inhibition of the glutathione redox cycle (GSH-reductase (GRd) and -peroxidase (GPx) in the development of DCVC-induced oxidative cell injury is described. DCVC inhibited both GRd and GPx activity in PTC. Inhibition occurred already after 10 min incubation while at that time point lipid peroxidation and cell death had not started yet; the antioxidant N,N-diphenyl-p-phenylenediamine did not prevent inhibition of GRd and Gpx- inhibition of L-cysteine S-conjugate beta-lyase-mediated formation of reactive metabolites using aminooxyacetic acid, which prevented covalent binding to cellular macromolecules, was associated with prevention of the DCVC-induced inhibition of both enzymes. Covalent binding of reactive metabolites of [35S]DCVC to several cellular proteins was found, including proteins which had molecular weights identical to subunits of GPx and GRd. An inhibitor of GRd, 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU), potentiated the oxidative cell injury caused by DCVC, whereas BCNU itself did not use oxidative stress and cell death. The thiol-reducing compound dithiothreitol prevented the oxidative cell injury whereas oxidation of cellular thiols with diamide potentiated the DCVC-induced oxidative stress and cell death. Moreover, incubation with (R,S)-3-hydroxy-4-pentenoic acid (HPA), which depletes mitochondrial GSH, potentiated the DCVC-induced oxidative cell injury. Neither diamide nor HPA affected the covalent binding and inhibition of the GSH-redox cycle. Together, the data suggest that the inhibition of GRd and GPx, presumably caused by binding of reactive metabolites of DCVC, impairs the cellular antioxidant system, which seems causally related to DCVC-induced oxidative cell injury.

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Crossref · 10.1006/abbi.1996.0094

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Metadata

Authors
van de Water, B., Zoeteweij, J. P., & Nagelkerke, J. F.
Affiliations
Leiden University (NL)
Venue
Archives of Biochemistry and Biophysics
Publisher
Elsevier BV
Published
1996-03
Volume
327
Issue
1
Pages
71-80
ISSN
0003-9861 (ISSN-L)
OpenAlex
W2058784251
Cited by
35
References
0
Citations by year
2025: 1 · 2022: 1 · 2020: 1 · 2019: 2 · 2017: 2 · 2016: 2 · 2015: 4 · 2014: 2 · 2013: 1 · 2012: 2
FWCI
0.50
Type
journal article
Language
en
Open access
closed
Locations
  • Archives of Biochemistry and Biophysics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Glutathione Transferases and Polymorphisms
  • Health Sciences › Medicine › Biochemistry (medical) › Antioxidant Activity and Oxidative Stress
Keywords
S-(1,2-dichlorovinyl)-L-cysteine, alkylating agents, nephrotoxicity, renal proximal tubular cells, oxidative stress, glutathione reductase, glutathione peroxidase, glutathione redox cycle, reactive metabolites, covalent binding, aminooxyacetic acid, BCNU, dithiothreitol, diamide, oxidative cell injury, cell death
MeSH terms
Alkylation, Animals, Carmustine, Cysteine, Glutathione, Glutathione Peroxidase, Glutathione Reductase, Hydrogen Peroxide, Kidney Tubules, Proximal, Kinetics, Male, Oxidation-Reduction, Pentanoic Acids, Sulfur Radioisotopes, Cell Death, Rats, Wistar, Glutathione Disulfide, Rats, In Vitro Techniques

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