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Selective Recognition of Peptide Sequences by Glutathione Transferases: A Possible Mechanism for Modulation of Cellular Stress-Induced Signaling Pathways
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M. Edalat
Published/Copyright:
June 1, 2005
Abstract
Exogenous and endogenous agents including products generated by oxidative stress, chemotherapeutics and bacterial lipids, activate multiple cellular signaling pathways, resulting either in mitogenesis or in apoptosis. Glutathione transferases (GSTs) appear not only to be prominent catalysts of detoxication reactions, but also to play a pivotal role in signaling by interacting with multiple proteins in pathways induced by cellular stress. Using two peptide libraries (a 9-mer and a 15-mer) displayed on phage, novel GST-peptide interactions were identified using human GST A1-1, GST P1-1 and GST M2-2 as targets. The isolated peptides have high sequence similarity with proteins such as TRAF4-associated factor 1, G protein-coupled receptor MRGX3, tumor necrosis factor superfamily (member 9), and c-Jun N-terminal kinase 3.
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Published Online: 2005-06-01
Published in Print: 2003-04-10
Copyright © 2003 by Walter de Gruyter GmbH & Co. KG
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Articles in the same Issue
- Glutathione, Related Enzymology, and Leopold Flohé
- 'Lest I Forget Thee, Glutathione...'
- Glutathione Pathways in the Brain
- The Role of Glutathione Peroxidases in Trypanosomatids
- Cytoprotection against Oxidative Stress and the Regulation of Glutathione Synthesis
- The Parasite-Specific Trypanothione Metabolism of Trypanosoma and Leishmania
- Glutathione – Functions and Metabolism in the Malarial Parasite Plasmodium falciparum
- Oxidative Stress Caused by Inactivation of Glutathione Peroxidase and Adaptive Responses
- Versatility of Selenium Catalysis in PHGPx Unraveled by LC/ESI-MS/MS
- Modulation of the Chymotrypsin-Like Activity of the 20S Proteasome by Intracellular Redox Status: Effects of Glutathione Peroxidase-1 Overexpression and Antioxidant Drugs
- Microflora Trigger Colitis in Mice Deficient in Selenium-Dependent Glutathione Peroxidase and Induce Gpx2 Gene Expression
- Recruitment of the Interleukin-1 Receptor (IL-1RI)-Associated Kinase IRAK to the IL-1RI Is Redox Regulated
- Kinetics and Redox-Sensitive Oligomerisation Reveal Negative Subunit Cooperativity in Tryparedoxin Peroxidase of Trypanosoma brucei brucei
- Testis-Specific Expression of the Nuclear Form of Phospholipid Hydroperoxide Glutathione Peroxidase (PHGPx)
- Selective Recognition of Peptide Sequences by Glutathione Transferases: A Possible Mechanism for Modulation of Cellular Stress-Induced Signaling Pathways
- Biosynthesis of Trypanothione in Trypanosoma brucei brucei
- Transcriptional Regulation of Cytosol and Membrane Alanyl-Aminopeptidase in Human T Cell Subsets
- Regulation of Gene Transcription by a Constitutively Active Mutant of Activating Transcription Factor 2 (ATF2)
- Solvent Isotope Effect on the Reaction Catalysed by the Pyruvate Dehydrogenase Complex from Escherichia coli
- Selective Induction of Liver Parenchymal Cell Heme Oxygenase-1 in Selenium-Deficient Rats
