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Cadenas-Garrido P, Schonvandt-Alarcos A, Herrera-Quintana L, Vázquez-Lorente H, Santamaría-Quiles A, Ruiz de Francisco J, Moya-Escudero M, Martín-Oliva D, Martín-Guerrero SM, Rodríguez-Santana C, Aragón-Vela J, Plaza-Diaz J. Using Redox Proteomics to Gain New Insights into Neurodegenerative Disease and Protein Modification. Antioxidants (Basel) 2024; 13:127. [PMID: 38275652 PMCID: PMC10812581 DOI: 10.3390/antiox13010127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/16/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024] Open
Abstract
Antioxidant defenses in biological systems ensure redox homeostasis, regulating baseline levels of reactive oxygen and nitrogen species (ROS and RNS). Oxidative stress (OS), characterized by a lack of antioxidant defenses or an elevation in ROS and RNS, may cause a modification of biomolecules, ROS being primarily absorbed by proteins. As a result of both genome and environment interactions, proteomics provides complete information about a cell's proteome, which changes continuously. Besides measuring protein expression levels, proteomics can also be used to identify protein modifications, localizations, the effects of added agents, and the interactions between proteins. Several oxidative processes are frequently used to modify proteins post-translationally, including carbonylation, oxidation of amino acid side chains, glycation, or lipid peroxidation, which produces highly reactive alkenals. Reactive alkenals, such as 4-hydroxy-2-nonenal, are added to cysteine (Cys), lysine (Lys), or histidine (His) residues by a Michael addition, and tyrosine (Tyr) residues are nitrated and Cys residues are nitrosylated by a Michael addition. Oxidative and nitrosative stress have been implicated in many neurodegenerative diseases as a result of oxidative damage to the brain, which may be especially vulnerable due to the large consumption of dioxygen. Therefore, the current methods applied for the detection, identification, and quantification in redox proteomics are of great interest. This review describes the main protein modifications classified as chemical reactions. Finally, we discuss the importance of redox proteomics to health and describe the analytical methods used in redox proteomics.
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Affiliation(s)
- Paula Cadenas-Garrido
- Research and Advances in Molecular and Cellular Immunology, Center of Biomedical Research, University of Granada, Avda, del Conocimiento s/n, 18016 Armilla, Spain; (P.C.-G.); (A.S.-A.); (A.S.-Q.); (J.R.d.F.); (M.M.-E.)
| | - Ailén Schonvandt-Alarcos
- Research and Advances in Molecular and Cellular Immunology, Center of Biomedical Research, University of Granada, Avda, del Conocimiento s/n, 18016 Armilla, Spain; (P.C.-G.); (A.S.-A.); (A.S.-Q.); (J.R.d.F.); (M.M.-E.)
| | - Lourdes Herrera-Quintana
- Department of Physiology, Schools of Pharmacy and Medicine, University of Granada, 18071 Granada, Spain; (L.H.-Q.); (H.V.-L.); (C.R.-S.)
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, 18016 Granada, Spain
| | - Héctor Vázquez-Lorente
- Department of Physiology, Schools of Pharmacy and Medicine, University of Granada, 18071 Granada, Spain; (L.H.-Q.); (H.V.-L.); (C.R.-S.)
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, 18016 Granada, Spain
| | - Alicia Santamaría-Quiles
- Research and Advances in Molecular and Cellular Immunology, Center of Biomedical Research, University of Granada, Avda, del Conocimiento s/n, 18016 Armilla, Spain; (P.C.-G.); (A.S.-A.); (A.S.-Q.); (J.R.d.F.); (M.M.-E.)
| | - Jon Ruiz de Francisco
- Research and Advances in Molecular and Cellular Immunology, Center of Biomedical Research, University of Granada, Avda, del Conocimiento s/n, 18016 Armilla, Spain; (P.C.-G.); (A.S.-A.); (A.S.-Q.); (J.R.d.F.); (M.M.-E.)
| | - Marina Moya-Escudero
- Research and Advances in Molecular and Cellular Immunology, Center of Biomedical Research, University of Granada, Avda, del Conocimiento s/n, 18016 Armilla, Spain; (P.C.-G.); (A.S.-A.); (A.S.-Q.); (J.R.d.F.); (M.M.-E.)
| | - David Martín-Oliva
- Department of Cell Biology, Faculty of Science, University of Granada, 18071 Granada, Spain;
| | - Sandra M. Martín-Guerrero
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9RT, UK
| | - César Rodríguez-Santana
- Department of Physiology, Schools of Pharmacy and Medicine, University of Granada, 18071 Granada, Spain; (L.H.-Q.); (H.V.-L.); (C.R.-S.)
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, 18016 Granada, Spain
| | - Jerónimo Aragón-Vela
- Department of Health Sciences, Area of Physiology, Building B3, Campus s/n “Las Lagunillas”, University of Jaén, 23071 Jaén, Spain
| | - Julio Plaza-Diaz
- Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON K1H 8L1, Canada
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria IBS, Complejo Hospitalario Universitario de Granada, 18071 Granada, Spain
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Redox-dependent Igfbp2 signaling controls Brca1 DNA damage response to govern neural stem cell fate. Nat Commun 2023; 14:444. [PMID: 36707536 PMCID: PMC9883463 DOI: 10.1038/s41467-023-36174-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 01/17/2023] [Indexed: 01/29/2023] Open
Abstract
Neural stem cell (NSC) maintenance and functions are regulated by reactive oxygen species (ROS). However, the mechanisms by which ROS control NSC behavior remain unclear. Here we report that ROS-dependent Igfbp2 signaling controls DNA repair pathways which balance NSC self-renewal and lineage commitment. Ncf1 or Igfbp2 deficiency constrains NSCs to a self-renewing state and prevents neurosphere formation. Ncf1-dependent oxidation of Igfbp2 promotes neurogenesis by NSCs in vitro and in vivo while repressing Brca1 DNA damage response genes and inducing DNA double-strand breaks (DDSBs). By contrast, Ncf1-/- and Igfbp2-/- NSCs favor the formation of oligodendrocytes in vitro and in vivo. Notably, transient repression of Brca1 DNA repair pathway genes induces DDSBs and is sufficient to rescue the ability of Ncf1-/- and Igfbp2-/- NSCs to lineage-commit to form neurospheres and neurons. NSC lineage commitment is dependent on the oxidizable cysteine-43 residue of Igfbp2. Our study highlights the role of DNA damage/repair in orchestrating NSC fate decisions downstream of redox-regulated Igfbp2.
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Zhang T, Gaffrey MJ, Li X, Qian WJ. Characterization of cellular oxidative stress response by stoichiometric redox proteomics. Am J Physiol Cell Physiol 2020; 320:C182-C194. [PMID: 33264075 DOI: 10.1152/ajpcell.00040.2020] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The thiol redox proteome refers to all proteins whose cysteine thiols are subjected to various redox-dependent posttranslational modifications (PTMs) including S-glutathionylation (SSG), S-nitrosylation (SNO), S-sulfenylation (SOH), and S-sulfhydration (SSH). These modifications can impact various aspects of protein function such as activity, binding, conformation, localization, and interactions with other molecules. To identify novel redox proteins in signaling and regulation, it is highly desirable to have robust redox proteomics methods that can provide global, site-specific, and stoichiometric quantification of redox PTMs. Mass spectrometry (MS)-based redox proteomics has emerged as the primary platform for broad characterization of thiol PTMs in cells and tissues. Herein, we review recent advances in MS-based redox proteomics approaches for quantitative profiling of redox PTMs at physiological or oxidative stress conditions and highlight some recent applications. Considering the relative maturity of available methods, emphasis will be on two types of modifications: 1) total oxidation (i.e., all reversible thiol modifications), the level of which represents the overall redox state, and 2) S-glutathionylation, a major form of reversible thiol oxidation. We also discuss the significance of stoichiometric measurements of thiol PTMs as well as future perspectives toward a better understanding of cellular redox regulatory networks in cells and tissues.
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Affiliation(s)
- Tong Zhang
- Integrative Omics, Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington
| | - Matthew J Gaffrey
- Integrative Omics, Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington
| | - Xiaolu Li
- Integrative Omics, Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington.,Bioproducts Sciences and Engineering Laboratory, Department of Biological Systems Engineering, Washington State University, Richland, Washington
| | - Wei-Jun Qian
- Integrative Omics, Biological Sciences Division, Pacific Northwest National Laboratory, Richland, Washington
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Matsui R, Ferran B, Oh A, Croteau D, Shao D, Han J, Pimentel DR, Bachschmid MM. Redox Regulation via Glutaredoxin-1 and Protein S-Glutathionylation. Antioxid Redox Signal 2020; 32:677-700. [PMID: 31813265 PMCID: PMC7047114 DOI: 10.1089/ars.2019.7963] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Significance: Over the past several years, oxidative post-translational modifications of protein cysteines have been recognized for their critical roles in physiology and pathophysiology. Cells have harnessed thiol modifications involving both oxidative and reductive steps for signaling and protein processing. One of these stages requires oxidation of cysteine to sulfenic acid, followed by two reduction reactions. First, glutathione (reduced glutathione [GSH]) forms a S-glutathionylated protein, and second, enzymatic or chemical reduction removes the modification. Under physiological conditions, these steps confer redox signaling and protect cysteines from irreversible oxidation. However, oxidative stress can overwhelm protein S-glutathionylation and irreversibly modify cysteine residues, disrupting redox signaling. Critical Issues: Glutaredoxins mainly catalyze the removal of protein-bound GSH and help maintain protein thiols in a highly reduced state without exerting direct antioxidant properties. Conversely, glutathione S-transferase (GST), peroxiredoxins, and occasionally glutaredoxins can also catalyze protein S-glutathionylation, thus promoting a dynamic redox environment. Recent Advances: The latest studies of glutaredoxin-1 (Glrx) transgenic or knockout mice demonstrate important distinct roles of Glrx in a variety of pathologies. Endogenous Glrx is essential to maintain normal hepatic lipid homeostasis and prevent fatty liver disease. Further, in vivo deletion of Glrx protects lungs from inflammation and bacterial pneumonia-induced damage, attenuates angiotensin II-induced cardiovascular hypertrophy, and improves ischemic limb vascularization. Meanwhile, exogenous Glrx administration can reverse pathological lung fibrosis. Future Directions: Although S-glutathionylation modifies many proteins, these studies suggest that S-glutathionylation and Glrx regulate specific pathways in vivo, and they implicate Glrx as a potential novel therapeutic target to treat diverse disease conditions. Antioxid. Redox Signal. 32, 677-700.
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Affiliation(s)
- Reiko Matsui
- Vascular Biology Section, Department of Medicine, Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts
| | - Beatriz Ferran
- Vascular Biology Section, Department of Medicine, Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts
| | - Albin Oh
- Cardiology, Department of Medicine, Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts
| | - Dominique Croteau
- Cardiology, Department of Medicine, Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts
| | - Di Shao
- Helens Clinical Research Center, Chongqing, China
| | - Jingyan Han
- Vascular Biology Section, Department of Medicine, Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts
| | - David Richard Pimentel
- Cardiology, Department of Medicine, Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts
| | - Markus Michael Bachschmid
- Vascular Biology Section, Department of Medicine, Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts
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5
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VanHecke GC, Abeywardana MY, Huang B, Ahn YH. Isotopically Labeled Clickable Glutathione to Quantify Protein S-Glutathionylation. Chembiochem 2020; 21:853-859. [PMID: 31560820 PMCID: PMC7078011 DOI: 10.1002/cbic.201900528] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Indexed: 12/28/2022]
Abstract
Protein S-glutathionylation is one of the important cysteine oxidation events that regulate various redox-mediated biological processes. Despite several existing methods, there are few proteomic approaches to identify and quantify specific cysteine residues susceptible to S-glutathionylation. We previously developed a clickable glutathione approach that labels intracellular glutathione with azido-Ala by using a mutant form of glutathione synthetase. In this study, we developed a quantification strategy with clickable glutathione by using isotopically labeled heavy and light derivatives of azido-Ala, which provides the relative quantification of glutathionylated peptides in mass spectrometry-based proteomic analysis. We applied isotopically labeled clickable glutathione to HL-1 cardiomyocytes, quantifying relative levels of 1398 glutathionylated peptides upon addition of hydrogen peroxide. Importantly, we highlight elevated levels of glutathionylation on sarcomere-associated muscle proteins while validating glutathionylation of two structural proteins, α-actinin and desmin. Our report provides a chemical proteomic strategy to quantify specific glutathionylated cysteines.
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Affiliation(s)
- Garrett C. VanHecke
- Department of Chemistry, Wayne State University, 5101 Cass Ave, Detroit, MI 48202, USA
| | | | - Bo Huang
- Department of Chemistry, Wayne State University, 5101 Cass Ave, Detroit, MI 48202, USA
| | - Young-Hoon Ahn
- Department of Chemistry, Wayne State University, 5101 Cass Ave, Detroit, MI 48202, USA
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Kruyer A, Ball LE, Townsend DM, Kalivas PW, Uys JD. Post-translational S-glutathionylation of cofilin increases actin cycling during cocaine seeking. PLoS One 2019; 14:e0223037. [PMID: 31550273 PMCID: PMC6759170 DOI: 10.1371/journal.pone.0223037] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 09/13/2019] [Indexed: 01/11/2023] Open
Abstract
Neuronal defense against oxidative damage is mediated primarily by the glutathione redox system. Traditionally considered a mechanism to protect proteins from irreversible oxidation, mounting evidence supports a role for protein S-glutathionylation in cell signaling in response to changes in intracellular redox status. Here we determined the specific sites on the actin binding protein cofilin that undergo S-glutathionylation. In addition, we show that S-glutathionylation of cofilin reduces its capacity to depolymerize F-actin. We further describe an assay to determine the S-glutathionylation of target proteins in brain tissue from behaving rodents. Using this technique, we show that cofilin in the rat nucleus accumbens undergoes S-glutathionylation during 15-minutes of cued cocaine seeking in the absence of cocaine. Our findings demonstrate that cofilin S-glutathionylation is increased in response to cocaine-associated cues and that increased cofilin S-glutathionylation reduces cofilin-dependent depolymerization of F-actin. Thus, S-glutathionylation of cofilin may serve to regulate actin cycling in response to drug-conditioned cues.
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Affiliation(s)
- Anna Kruyer
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, United States of America
- * E-mail: (AK); (JU)
| | - Lauren E. Ball
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC, United States of America
| | - Danyelle M. Townsend
- Department of Drug Discovery and Pharmaceutical Sciences, Medical University of South Carolina, Charleston, SC, United States of America
| | - Peter W. Kalivas
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, United States of America
| | - Joachim D. Uys
- Department of Cell and Molecular Pharmacology & Experimental Therapeutics, Medical University of South Carolina, Charleston, SC, United States of America
- * E-mail: (AK); (JU)
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7
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Dustin CM, Hristova M, Schiffers C, van der Vliet A. Proteomic Methods to Evaluate NOX-Mediated Redox Signaling. Methods Mol Biol 2019; 1982:497-515. [PMID: 31172492 DOI: 10.1007/978-1-4939-9424-3_30] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The NADPH oxidase (NOX) family of proteins is involved in regulating many diverse cellular processes, which is largely mediated by NOX-mediated reversible oxidation of target proteins in a process known as redox signaling. Protein cysteine residues are the most prominent targets in redox signaling, and to understand the mechanisms by which NOX affect cellular pathways, specific methodology is required to detect specific oxidative cysteine modifications and to identify targeted proteins. Among the many potential redox modifications involving cysteine residues, reversible modifications most relevant to NOX are sulfenylation (P-SOH) and S-glutathionylation (P-SSG), as both can induce structural or functional alterations. Various experimental approaches have been developed to detect these specific modifications, and this chapter will detail state-of-the-art methodology to selectively evaluate these modifications in specific target proteins in relation to NOX activation. We also discuss some of the limitations of these procedures and potential complementary approaches.
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Affiliation(s)
- Christopher M Dustin
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Vermont, Burlington, VT, USA
| | - Milena Hristova
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Vermont, Burlington, VT, USA
| | - Caspar Schiffers
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Vermont, Burlington, VT, USA
| | - Albert van der Vliet
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Vermont, Burlington, VT, USA.
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Storm AR, Kohler MR, Berndsen CE, Monroe JD. Glutathionylation Inhibits the Catalytic Activity of Arabidopsis β-Amylase3 but Not That of Paralog β-Amylase1. Biochemistry 2018; 57:711-721. [PMID: 29309132 DOI: 10.1021/acs.biochem.7b01274] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
β-Amylase3 (BAM3) is an enzyme that is essential for starch degradation in plant leaves and is also transcriptionally induced under cold stress. However, we recently reported that BAM3's enzymatic activity decreased in cold-stressed Arabidopsis leaves, although the activity of BAM1, a homologous leaf β-amylase, was largely unaffected. This decrease in BAM3 activity may relate to the accumulation of starch reported in cold-stressed plants. The aim of this study was to explore the disparity between BAM3 transcript and activity levels under cold stress, and we present evidence suggesting BAM3 is being inhibited by post-translational modification. A mechanism of enzyme inhibition was suggested by observing that BAM3 protein levels remained unchanged under cold stress. Cold stress induces nitric oxide (NO) signaling, one result being alteration of protein activity by nitrosylation or glutathionylation through agents such as S-nitrosoglutathione (GSNO). To test whether NO induction correlates with inhibition of BAM3 in vivo, plants were treated with sodium nitroprusside, which releases NO, and a decline in BAM3 but not BAM1 activity was again observed. Treatment of recombinant BAM3 and BAM1 with GSNO caused significant, dose-dependent inhibition of BAM3 activity while BAM1 was largely unaffected. Site-directed mutagenesis, anti-glutathione Western blots, and mass spectrometry were then used to determine that in vitro BAM3 inhibition was caused by glutathionylation at cysteine 433. In addition, we generated a BAM1 mutant resembling BAM3 that was sensitive to GSNO inhibition. These findings demonstrate a differential response of two BAM paralogs to the Cys-modifying reagent GSNO and provide a possible molecular basis for reduced BAM3 activity in cold-stressed plants.
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Affiliation(s)
- Amanda R Storm
- Department of Biology, James Madison University , Harrisonburg, Virginia 22807, United States
| | - Matthew R Kohler
- Department of Biology, James Madison University , Harrisonburg, Virginia 22807, United States
| | - Christopher E Berndsen
- Department of Chemistry and Biochemistry, James Madison University , Harrisonburg, Virginia 22807, United States
| | - Jonathan D Monroe
- Department of Biology, James Madison University , Harrisonburg, Virginia 22807, United States
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Qi J, Wang J, Gong Z, Zhou JM. Apoplastic ROS signaling in plant immunity. CURRENT OPINION IN PLANT BIOLOGY 2017; 38:92-100. [PMID: 28511115 DOI: 10.1016/j.pbi.2017.04.022] [Citation(s) in RCA: 258] [Impact Index Per Article: 36.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 04/26/2017] [Accepted: 04/28/2017] [Indexed: 05/18/2023]
Abstract
Reactive oxygen species (ROS) are widely produced in different cellular compartments under both biotic and abiotic stress conditions. ROS play a central role in plant signaling and regulate diverse cellular processes. Recent advances are shedding new light on sophisticated mechanisms controlling ROS biogenesis and signaling in plant immunity. In this review, we summarize our current understanding of the regulation of apoplastic ROS production in response to microbial molecular patterns and draw comparison with abscisic acid (ABA)-induced apoplastic ROS. We also discuss how ROS act as signal molecules to regulate cellular activities using stomatal movement as an example.
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Affiliation(s)
- Junsheng Qi
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Jinlong Wang
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Zhizhong Gong
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100193, China.
| | - Jian-Min Zhou
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China.
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Abstract
Thiol groups in protein cysteine residues can be subjected to different oxidative modifications by reactive oxygen/nitrogen species. Reversible cysteine oxidation, including S-nitrosylation, S-sulfenylation, S-glutathionylation, and disulfide formation, modulate multiple biological functions, such as enzyme catalysis, antioxidant, and other signaling pathways. However, the biological relevance of reversible cysteine oxidation is typically underestimated, in part due to the low abundance and high reactivity of some of these modifications, and the lack of methods to enrich and quantify them. To facilitate future research efforts, this chapter describes detailed procedures to target the different modifications using mass spectrometry-based biotin switch assays. By switching the modification of interest to a biotin moiety, these assays leverage the high affinity between biotin and avidin to enrich the modification. The use of stable isotope labeling and a range of selective reducing agents facilitate the quantitation of individual as well as total reversible cysteine oxidation. The biotin switch assay has been widely applied to the quantitative analysis of S-nitrosylation in different disease models and is now also emerging as a valuable research tool for other oxidative cysteine modifications, highlighting its relevance as a versatile, robust strategy for carrying out in-depth studies in redox proteomics.
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Affiliation(s)
- R Li
- The Biomedical Research Centre, University of British Columbia, Vancouver, BC, Canada; University of British Columbia, Vancouver, BC, Canada
| | - J Kast
- The Biomedical Research Centre, University of British Columbia, Vancouver, BC, Canada; University of British Columbia, Vancouver, BC, Canada; Centre for Blood Research, University of British Columbia, Vancouver, BC, Canada.
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Short JD, Downs K, Tavakoli S, Asmis R. Protein Thiol Redox Signaling in Monocytes and Macrophages. Antioxid Redox Signal 2016; 25:816-835. [PMID: 27288099 PMCID: PMC5107717 DOI: 10.1089/ars.2016.6697] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
SIGNIFICANCE Monocyte and macrophage dysfunction plays a critical role in a wide range of inflammatory disease processes, including obesity, impaired wound healing diabetic complications, and atherosclerosis. Emerging evidence suggests that the earliest events in monocyte or macrophage dysregulation include elevated reactive oxygen species production, thiol modifications, and disruption of redox-sensitive signaling pathways. This review focuses on the current state of research in thiol redox signaling in monocytes and macrophages, including (i) the molecular mechanisms by which reversible protein-S-glutathionylation occurs, (ii) the identification of bona fide S-glutathionylated proteins that occur under physiological conditions, and (iii) how disruptions of thiol redox signaling affect monocyte and macrophage functions and contribute to atherosclerosis. Recent Advances: Recent advances in redox biochemistry and biology as well as redox proteomic techniques have led to the identification of many new thiol redox-regulated proteins and pathways. In addition, major advances have been made in expanding the list of S-glutathionylated proteins and assessing the role that protein-S-glutathionylation and S-glutathionylation-regulating enzymes play in monocyte and macrophage functions, including monocyte transmigration, macrophage polarization, foam cell formation, and macrophage cell death. CRITICAL ISSUES Protein-S-glutathionylation/deglutathionylation in monocytes and macrophages has emerged as a new and important signaling paradigm, which provides a molecular basis for the well-established relationship between metabolic disorders, oxidative stress, and cardiovascular diseases. FUTURE DIRECTIONS The identification of specific S-glutathionylated proteins as well as the mechanisms that control this post-translational protein modification in monocytes and macrophages will facilitate the development of new preventive and therapeutic strategies to combat atherosclerosis and other metabolic diseases. Antioxid. Redox Signal. 25, 816-835.
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Affiliation(s)
- John D Short
- 1 Department of Pharmacology, University of Texas Health Science Center at San Antonio , San Antonio, Texas
| | - Kevin Downs
- 2 Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio , San Antonio, Texas
| | - Sina Tavakoli
- 3 Department of Radiology, University of Texas Health Science Center at San Antonio , San Antonio, Texas
| | - Reto Asmis
- 4 Department of Clinical Laboratory Sciences, University of Texas Health Science Center at San Antonio , San Antonio, Texas.,5 Department of Biochemistry, University of Texas Health Science Center at San Antonio , San Antonio, Texas
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Longen S, Richter F, Köhler Y, Wittig I, Beck KF, Pfeilschifter J. Quantitative Persulfide Site Identification (qPerS-SID) Reveals Protein Targets of H2S Releasing Donors in Mammalian Cells. Sci Rep 2016; 6:29808. [PMID: 27411966 PMCID: PMC4944133 DOI: 10.1038/srep29808] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 06/21/2016] [Indexed: 12/20/2022] Open
Abstract
H2S is an important signalling molecule involved in diverse biological processes. It mediates the formation of cysteine persulfides (R-S-SH), which affect the activity of target proteins. Like thiols, persulfides show reactivity towards electrophiles and behave similarly to other cysteine modifications in a biotin switch assay. In this manuscript, we report on qPerS-SID a mass spectrometry-based method allowing the isolation of persulfide containing peptides in the mammalian proteome. With this method, we demonstrated that H2S donors differ in their efficacy to induce persulfides in HEK293 cells. Furthermore, data analysis revealed that persulfide formation affects all subcellular compartments and various cellular processes. Negatively charged amino acids appeared more frequently adjacent to cysteines forming persulfides. We confirmed our proteomic data using pyruvate kinase M2 as a model protein and showed that several cysteine residues are prone to persulfide formation finally leading to its inactivation. Taken together, the site-specific identification of persulfides on a proteome scale can help to identify target proteins involved in H2S signalling and enlightens the biology of H2S and its releasing agents.
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Affiliation(s)
- Sebastian Longen
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
| | - Florian Richter
- Functional Proteomics, SFB 815 Core Unit, Goethe University Frankfurt, Frankfurt, Germany
| | - Yvette Köhler
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
| | - Ilka Wittig
- Functional Proteomics, SFB 815 Core Unit, Goethe University Frankfurt, Frankfurt, Germany
| | - Karl-Friedrich Beck
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
| | - Josef Pfeilschifter
- Pharmazentrum Frankfurt/ZAFES, Universitätsklinikum Frankfurt, Frankfurt am Main, Germany
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Aesif SW, Kuipers I, DePalma L. The relevance of tissue thiol histochemistry to diagnostic hematopathology. Biotech Histochem 2016; 91:255-62. [PMID: 26984510 DOI: 10.3109/10520295.2016.1142610] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Expression analyses suggest that alterations of the antioxidant state of some diffuse large B-cell lymphomas can assist prognosis; reversibly oxidized thiols may serve as a surrogate marker for identifying such cases. Little is known about the distribution of free thiols and reversibly oxidized thiols in human tissues. We developed a staining technique that enables visualization of tissue thiols in situ using bright field microscopy and validated it using gastrointestinal tissue specimens. We used our thiol staining technique to assess benign tonsillectomy and diffuse large B-cell lymphoma specimens. The gastrointestinal series revealed the presence of free thiols within epithelial cells and cells of the lamina propria. Staining for reversibly oxidized thiols was robust in gastric foveolar cells, intestinal goblet cells and the mucus they produce. Tonsillectomy specimens exhibited diffuse presence of free thiols. Staining for reversibly oxidized thiols was confined to germinal center macrophages and sinus histiocytes. Among the diffuse large B-cell lymphoma specimens, we observed strong staining for free thiols within malignant cells. By contrast to benign B-cells, the malignant cells demonstrated pronounced and diffuse staining for reversibly oxidized thiols. We demonstrated intrinsic differences between benign and malignant cells.
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Affiliation(s)
- S W Aesif
- a Department of Pathology , George Washington University , Washington , DC
| | - I Kuipers
- c National Heart, Lung and Blood Institute, National Institutes of Health , Bethesda , Maryland
| | - L DePalma
- a Department of Pathology , George Washington University , Washington , DC.,b Department of Anatomy and Regenerative Biology , George Washington University , Washington , DC
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Womersley JS, Uys JD. S-Glutathionylation and Redox Protein Signaling in Drug Addiction. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2015; 137:87-121. [PMID: 26809999 DOI: 10.1016/bs.pmbts.2015.10.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Drug addiction is a chronic relapsing disorder that comes at a high cost to individuals and society. Therefore understanding the mechanisms by which drugs exert their effects is of prime importance. Drugs of abuse increase the production of reactive oxygen and nitrogen species resulting in oxidative stress. This change in redox homeostasis increases the conjugation of glutathione to protein cysteine residues; a process called S-glutathionylation. Although traditionally regarded as a protective mechanism against irreversible protein oxidation, accumulated evidence suggests a more nuanced role for S-glutathionylation, namely as a mediator in redox-sensitive protein signaling. The reversible modification of protein thiols leading to alteration in function under different physiologic/pathologic conditions provides a mechanism whereby change in redox status can be translated into a functional response. As such, S-glutathionylation represents an understudied means of post-translational protein modification that may be important in the mechanisms underlying drug addiction. This review will discuss the evidence for S-glutathionylation as a redox-sensing mechanism and how this may be involved in the response to drug-induced oxidative stress. The function of S-glutathionylated proteins involved in neurotransmission, dendritic spine structure, and drug-induced behavioral outputs will be reviewed with specific reference to alcohol, cocaine, and heroin.
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Affiliation(s)
- Jacqueline S Womersley
- Department of Cellular and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Joachim D Uys
- Department of Cellular and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, South Carolina, USA.
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15
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Calabrese V, Dattilo S, Petralia A, Parenti R, Pennisi M, Koverech G, Calabrese V, Graziano A, Monte I, Maiolino L, Ferreri T, Calabrese EJ. Analytical approaches to the diagnosis and treatment of aging and aging-related disease: redox status and proteomics. Free Radic Res 2015; 49:511-24. [PMID: 25824967 DOI: 10.3109/10715762.2015.1020799] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Basal levels of oxidants are indispensible for redox signaling to produce adaptive cellular responses such as vitagenes linked to cell survival; however, at higher levels, they are detrimental to cells, contributing to aging and to the pathogenesis of numerous age-related diseases. Aging is a complex systemic process and the major gap in aging research reminds the insufficient knowledge about pathways shifting from normal "healthy" aging to disease-associated pathological aging. The major complication of normal "healthy" aging is in fact the increasing risk of age-related diseases such as cardiovascular diseases, diabetes mellitus, and neurodegenerative pathologies that can adversely affect the quality of life in general, with enhanced incidences of comorbidities and mortality. In this context, global "omics" approaches may help to dissect and fully study the cellular and molecular mechanisms of aging and age-associated processes. The proteome, being more close to the phenotype than the transcriptome and more stable than the metabolome, represents the most promising "omics" field in aging research. In the present study, we exploit recent advances in the redox biology of aging and discuss the potential of proteomics approaches as innovative tools for monitoring at the proteome level the extent of protein oxidative insult and related modifications with the identification of targeted proteins.
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Affiliation(s)
- V Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania , Catania , Italy
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16
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Baez NOD, Reisz JA, Furdui CM. Mass spectrometry in studies of protein thiol chemistry and signaling: opportunities and caveats. Free Radic Biol Med 2015; 80:191-211. [PMID: 25261734 PMCID: PMC4355329 DOI: 10.1016/j.freeradbiomed.2014.09.016] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 09/08/2014] [Accepted: 09/11/2014] [Indexed: 12/13/2022]
Abstract
Mass spectrometry (MS) has become a powerful and widely utilized tool in the investigation of protein thiol chemistry, biochemistry, and biology. Very early biochemical studies of metabolic enzymes have brought to light the broad spectrum of reactivity profiles that distinguish cysteine thiols with functions in catalysis and protein stability from other cysteine residues in proteins. The development of MS methods for the analysis of proteins using electrospray ionization (ESI) or matrix-assisted laser desorption/ionization (MALDI) coupled with the emergence of high-resolution mass analyzers has been instrumental in advancing studies of thiol modifications, both in single proteins and within the cellular context. This article reviews MS instrumentation and methods of analysis employed in investigations of thiols and their reactivity toward a range of small biomolecules. A selected number of studies are detailed to highlight the advantages brought about by the MS technologies along with the caveats associated with these analyses.
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Affiliation(s)
- Nelmi O Devarie Baez
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA
| | - Julie A Reisz
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA
| | - Cristina M Furdui
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
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Protein redox modification as a cellular defense mechanism against tissue ischemic injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2014; 2014:343154. [PMID: 24883175 PMCID: PMC4026984 DOI: 10.1155/2014/343154] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 04/16/2014] [Indexed: 12/16/2022]
Abstract
Protein oxidative or redox modifications induced by reactive oxygen species (ROS) or reactive nitrogen species (RNS) not only can impair protein function, but also can regulate and expand protein function under a variety of stressful conditions. Protein oxidative modifications can generally be classified into two categories: irreversible oxidation and reversible oxidation. While irreversible oxidation usually leads to protein aggregation and degradation, reversible oxidation that usually occurs on protein cysteine residues can often serve as an “on and off” switch that regulates protein function and redox signaling pathways upon stress challenges. In the context of ischemic tolerance, including preconditioning and postconditioning, increasing evidence has indicated that reversible cysteine redox modifications such as S-sulfonation, S-nitrosylation, S-glutathionylation, and disulfide bond formation can serve as a cellular defense mechanism against tissue ischemic injury. In this review, I highlight evidence of cysteine redox modifications as protective measures in ischemic injury, demonstrating that protein redox modifications can serve as a therapeutic target for attenuating tissue ischemic injury. Prospectively, more oxidatively modified proteins will need to be identified that can play protective roles in tissue ischemic injury, in particular, when the oxidative modifications of such identified proteins can be enhanced by pharmacological agents or drugs that are available or to be developed.
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Diers AR, Keszler A, Hogg N. Detection of S-nitrosothiols. Biochim Biophys Acta Gen Subj 2013; 1840:892-900. [PMID: 23988402 DOI: 10.1016/j.bbagen.2013.07.026] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Revised: 07/22/2013] [Accepted: 07/26/2013] [Indexed: 11/25/2022]
Abstract
BACKGROUND S-nitrosothiols have been recognized as biologically-relevant products of nitric oxide that are involved in many of the diverse activities of this free radical. SCOPE OF REVIEW This review serves to discuss current methods for the detection and analysis of protein S-nitrosothiols. The major methods of S-nitrosothiol detection include chemiluminescence-based methods and switch-based methods, each of which comes in various flavors with advantages and caveats. MAJOR CONCLUSIONS The detection of S-nitrosothiols is challenging and prone to many artifacts. Accurate measurements require an understanding of the underlying chemistry of the methods involved and the use of appropriate controls. GENERAL SIGNIFICANCE Nothing is more important to a field of research than robust methodology that is generally trusted. The field of S-nitrosation has developed such methods but, as S-nitrosothiols are easy to introduce as artifacts, it is vital that current users learn from the lessons of the past. This article is part of a Special Issue entitled Current methods to study reactive oxygen species - pros and cons and biophysics of membrane proteins. Guest Editor: Christine Winterbourn.
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Affiliation(s)
- Anne R Diers
- Department of Biophysics and Redox Biology Program, Medical College of Wisconsin, Milwaukee, WI 53226, USA
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Immunofluorescent detection of S-nitrosoproteins in cell culture. Methods 2013; 62:161-4. [PMID: 23748109 DOI: 10.1016/j.ymeth.2013.05.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2012] [Revised: 05/14/2013] [Accepted: 05/29/2013] [Indexed: 11/22/2022] Open
Abstract
The role of S-nitrosylation in cellular signaling has been clearly demonstrated. There a number of mechanisms whereby this post-translational modification can occur and the number of protein targets continue to expand. The need to be able to monitor when this important signaling process occurs within cells is increasingly important. Previously we have identified immunohistochemistry approaches effective for monitoring S-nitrosylation within fixed tissue. Within this paper we show how these techniques can be adapted to use in a cell culture system using immunofluorescence. We have used this protocol to detect S-nitrosoprotein formation within LPS stimulated microglial cells using both transformed and primary cultured cells.
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Ullevig S, Kim HS, Asmis R. S-glutathionylation in monocyte and macrophage (dys)function. Int J Mol Sci 2013; 14:15212-32. [PMID: 23887649 PMCID: PMC3759857 DOI: 10.3390/ijms140815212] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Revised: 06/15/2013] [Accepted: 06/18/2013] [Indexed: 12/31/2022] Open
Abstract
Atherosclerosis is a chronic inflammatory disease involving the accumulation of monocytes and macrophages in the vascular wall. Monocytes and macrophages play a central role in the initiation and progression of atherosclerotic lesion development. Oxidative stress, which occurs when reactive oxygen species (ROS) overwhelm cellular antioxidant systems, contributes to the pathophysiology of many chronic inflammatory diseases, including atherosclerosis. Major targets of ROS are reactive thiols on cysteine residues in proteins, which when oxidized can alter cellular processes, including signaling pathways, metabolic pathways, transcription, and translation. Protein-S-glutathionylation is the process of mixed disulfide formation between glutathione (GSH) and protein thiols. Until recently, protein-S-glutathionylation was associated with increased cellular oxidative stress, but S-glutathionylation of key protein targets has now emerged as a physiologically important redox signaling mechanism, which when dysregulated contributes to a variety of disease processes. In this review, we will explore the role of thiol oxidative stress and protein-S-glutathionylation in monocyte and macrophage dysfunction as a mechanistic link between oxidative stress associated with metabolic disorders and chronic inflammatory diseases, including atherosclerosis.
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Affiliation(s)
- Sarah Ullevig
- Department of Biochemistry, University of Texas Health Science Center San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA; E-Mail:
| | - Hong Seok Kim
- Department of Clinical Laboratory Sciences, University of Texas Health Science Center San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA; E-Mail:
| | - Reto Asmis
- Department of Biochemistry, University of Texas Health Science Center San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA; E-Mail:
- Department of Clinical Laboratory Sciences, University of Texas Health Science Center San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +1-210-567-3411; Fax: +1-210-567-3719
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21
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Paulsen C, Carroll KS. Cysteine-mediated redox signaling: chemistry, biology, and tools for discovery. Chem Rev 2013; 113:4633-79. [PMID: 23514336 PMCID: PMC4303468 DOI: 10.1021/cr300163e] [Citation(s) in RCA: 801] [Impact Index Per Article: 72.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2012] [Indexed: 02/06/2023]
Affiliation(s)
- Candice
E. Paulsen
- Department of Chemistry, The Scripps Research
Institute, Jupiter, Florida, 33458, United States
| | - Kate S. Carroll
- Department of Chemistry, The Scripps Research
Institute, Jupiter, Florida, 33458, United States
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22
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Murray CI, Van Eyk JE. Chasing cysteine oxidative modifications: proteomic tools for characterizing cysteine redox status. CIRCULATION. CARDIOVASCULAR GENETICS 2012; 5:591. [PMID: 23074338 PMCID: PMC3500588 DOI: 10.1161/circgenetics.111.961425] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Redox-proteomics involves the large scale analysis of oxidative protein post-translational modifications. In particular, cysteine residues have become the subject of intensifying research interest because of their redox-reactive thiol side chain. Certain reactive cysteine residues can function as redox-switches, which sense changes in the local redox-environment by flipping between the reduced and oxidized state. Depending on the reactive oxygen or nitrogen species, cysteine residues can receive one of several oxidative modifications, each with the potential to confer a functional effect. Modification of these redox-switches has been found to play an important role in oxidative-signaling in the cardiovascular system and elsewhere. Due to the labile and dynamic nature of these modifications, several targeted approaches have been developed to enrich, identify and characterize the status of these critical residues. Here, we review the various proteomic strategies and limitations for the large scale analysis of the different oxidative cysteine modifications.
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Affiliation(s)
- Christopher I. Murray
- Johns Hopkins University, Department of Biological Chemistry, Johns Hopkins University, Baltimore, MD, USA
| | - Jennifer E. Van Eyk
- Johns Hopkins University, Department of Biological Chemistry, Johns Hopkins University, Baltimore, MD, USA
- Department of Medicine, Division of Cardiology, Johns Hopkins University, Baltimore, MD, USA
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23
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Mieyal JJ, Chock PB. Posttranslational modification of cysteine in redox signaling and oxidative stress: Focus on s-glutathionylation. Antioxid Redox Signal 2012; 16:471-5. [PMID: 22136616 PMCID: PMC3270050 DOI: 10.1089/ars.2011.4454] [Citation(s) in RCA: 137] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Reactive oxygen species (ROS) and reactive nitrogen species (RNS) have become recognized as second messengers for initiating and/or regulating vital cellular signaling pathways, and they are known also as deleterious mediators of cellular stress and cell death. ROS and RNS, and their cross products like peroxynitrite, react primarily with cysteine residues whose oxidative modification leads to functional alterations in the proteins. In this Forum, the collection of six review articles presents a perspective on the broad biological impact of cysteine modifications in health and disease from the molecular to the cellular and organismal levels, focusing in particular on reversible protein-S-glutathionylation and its central role in transducing redox signals as well as protecting proteins from irreversible cysteine oxidation. The Forum review articles consider the role of S-glutationylation in regulation of the peroxiredoxin enzymes, the special redox environment of the mitochondria, redox regulation pertinent to the function of the cardiovascular system, mechanisms of redox-activated apoptosis in the pulmonary system, and the role of glutathionylation in the initiation, propagation, and treatment of neurodegenerative diseases. Several common themes emerge from these reviews; notably, the probability of crosstalk between signaling/regulation mechanisms involving protein-S-nitrosylation and protein-S-glutathionylation, and the need for quantitative analysis of the relationship between specific cysteine modifications and corresponding functional changes in various cellular contexts.
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Affiliation(s)
- John J. Mieyal
- Department of Pharmacology, School of Medicine, Case Western Reserve University, Cleveland, Ohio
- Louis B. Stokes Veterans Affairs Medical Research Center, Cleveland, Ohio
| | - P. Boon Chock
- Laboratory of Biochemistry, BBC, NHLBI, National Institutes of Health, Bethesda, Maryland
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Pimentel D, Haeussler DJ, Matsui R, Burgoyne JR, Cohen RA, Bachschmid MM. Regulation of cell physiology and pathology by protein S-glutathionylation: lessons learned from the cardiovascular system. Antioxid Redox Signal 2012; 16:524-42. [PMID: 22010840 PMCID: PMC3270052 DOI: 10.1089/ars.2011.4336] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
SIGNIFICANCE Reactive oxygen and nitrogen species contributing to homeostatic regulation and the pathogenesis of various cardiovascular diseases, including atherosclerosis, hypertension, endothelial dysfunction, and cardiac hypertrophy, is well established. The ability of oxidant species to mediate such effects is in part dependent on their ability to induce specific modifications on particular amino acids, which alter protein function leading to changes in cell signaling and function. The thiol containing amino acids, methionine and cysteine, are the only oxidized amino acids that undergo reduction by cellular enzymes and are, therefore, prime candidates in regulating physiological signaling. Various reports illustrate the significance of reversible oxidative modifications on cysteine thiols and their importance in modulating cardiovascular function and physiology. RECENT ADVANCES The use of mass spectrometry, novel labeling techniques, and live cell imaging illustrate the emerging importance of reversible thiol modifications in cellular redox signaling and have advanced our analytical abilities. CRITICAL ISSUES Distinguishing redox signaling from oxidative stress remains unclear. S-nitrosylation as a precursor of S-glutathionylation is controversial and needs further clarification. Subcellular distribution of glutathione (GSH) may play an important role in local regulation, and targeted tools need to be developed. Furthermore, cellular redundancies of thiol metabolism complicate analysis and interpretation. FUTURE DIRECTIONS The development of novel pharmacological analogs that specifically target subcellular compartments of GSH to promote or prevent local protein S-glutathionylation as well as the establishment of conditional gene ablation and transgenic animal models are needed.
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Affiliation(s)
- David Pimentel
- Myocardial Biology Unit, Whitaker Cardiovascular Institute, Boston University School of Medicine, Massachusetts, USA
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25
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Kuipers I, Bracke KR, Brusselle GG, Wouters EFM, Reynaert NL. Smoke decreases reversible oxidations S-glutathionylation and S-nitrosylation in mice. Free Radic Res 2012; 46:164-73. [PMID: 22145974 DOI: 10.3109/10715762.2011.647011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Cigarette smoke causes irreversible oxidations in lungs, but its impact on reversible and physiologically relevant redox-dependent protein modifications remains to be investigated. Here the effect of cigarette smoke exposure in mice was investigated on the covalent binding of glutathione to protein thiols, known as S-glutathionylation (PSSG), which can be reversed by glutaredoxins (Grx). Also, protein S-nitrosylation (PSNO) which is the modification of protein thiols by NO and which is reversed by the enzyme alcohol dehydrogenase (ADH) 5 was examined. Both PSSG and PSNO levels in lung tissue were markedly decreased after 4 weeks of cigarette smoke exposure. This coincided with attenuated protein free thiol levels and increased protein carbonylation. The expression of NOX4, DHE sensitive oxidant production and iNOS levels were induced by smoke, whereas Grx1 mRNA expression and activity were attenuated. Free GSH levels, protein expression and activity of ADH5 were unaffected by smoke. Taken together, smoke exposure decreases reversible cysteine oxidations PSSG and PSNO and enhances protein carbonylation. These alterations are not associated with differences in some of the regulatory enzymes, but are likely the result of oxidative stress.
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Affiliation(s)
- Ine Kuipers
- Department of Respiratory Medicine, Nutrim School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre+, Maastricht, the Netherlands
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Jacob C, Battaglia E, Burkholz T, Peng D, Bagrel D, Montenarh M. Control of oxidative posttranslational cysteine modifications: from intricate chemistry to widespread biological and medical applications. Chem Res Toxicol 2011; 25:588-604. [PMID: 22106817 DOI: 10.1021/tx200342b] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Cysteine residues in proteins and enzymes often fulfill rather important roles, particularly in the context of cellular signaling, protein-protein interactions, substrate and metal binding, and catalysis. At the same time, some of the most active cysteine residues are also quite sensitive toward (oxidative) modification. S-Thiolation, S-nitrosation, and disulfide bond and sulfenic acid formation are processes which occur frequently inside the cell and regulate the function and activity of many proteins and enzymes. During oxidative stress, such modifications trigger, among others, antioxidant responses and cell death. The unique combination of nonredox function on the one hand and participation in redox signaling and control on the other has placed many cysteine proteins at the center of drug design and pesticide development. Research during the past decade has identified a range of chemically rather interesting, biologically very active substances that are able to modify cysteine residues in such proteins with huge efficiency, yet also considerable selectivity. These agents are often based on natural products and range from simple disulfides to complex polysulfanes, tetrahydrothienopyridines, α,β -unsaturated disulfides, thiuramdisulfides, and 1,2-dithiole-3-thiones. At the same time, inhibition of enzymes responsible for posttranslational cysteine modifications (and their removal) has become an important area of innovative drug research. Such investigations into the control of the cellular thiolstat by thiol-selective agents cross many disciplines and are often far from trivial.
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Affiliation(s)
- Claus Jacob
- Division of Bioorganic Chemistry, School of Pharmacy, Saarland University, D-66123 Saarbruecken, Germany.
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27
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Redox proteomics and drug development. J Proteomics 2011; 74:2575-95. [DOI: 10.1016/j.jprot.2011.01.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2010] [Revised: 12/22/2010] [Accepted: 01/09/2011] [Indexed: 01/06/2023]
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S-Glutathionyl quantification in the attomole range using glutaredoxin-3-catalyzed cysteine derivatization and capillary gel electrophoresis with laser-induced fluorescence detection. Anal Bioanal Chem 2011; 401:2165-75. [PMID: 21842197 DOI: 10.1007/s00216-011-5311-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Revised: 08/01/2011] [Accepted: 08/02/2011] [Indexed: 01/05/2023]
Abstract
S-glutathionylation (Pr-SSG) is a specific post-translational modification of cysteine residues by the addition of glutathione. S-Glutathionylated proteins induced by oxidative or nitrosative stress play an essential role in understanding the pathogenesis of the aging and age-related disorder, such as Alzheimer's disease (AD). The purpose of this research is to develop a novel and ultrasensitive method to accurately and rapidly quantify the Pr-SSG by using capillary gel electrophoresis with laser-induced fluorescence detection (CGE-LIF). The derivatization method is based on the specific reduction of protein-bound S-glutathionylation with glutaredoxin (Grx) and labeling with thiol-reactive fluorescent dye (Dylight 488 maleimide). The experiments were performed by coupling the derivatization method with CGE-LIF to study electrophoretic profiling in in vitro oxidative stress model-S-glutathionylated bovine serum albumin (BSA-SSG), oxidant-induced human colon adenocarcinoma (HT-29) cells, brain tissues, and whole blood samples from an AD transgenic (Tg) mouse model. The results showed almost an eightfold increase in S-glutathionyl abundance when subjecting HT-29 cells in an oxidant environment, resulting in Pr-SSG at 232 ± 10.64 (average ±SD; n=3) nmol/mg. In the AD-Tg mouse model, an initial quantitative measurement demonstrated the extent of protein S-glutathionylation in three brain regions (hippocampus, cerebellum, and cerebrum), ranging from 1 to 10 nmol/mg. Additionally, we described our developed method to potentially serve as a highly desirable diagnostic tool for monitoring S-glutathionylated protein profile in minuscule amount of whole blood. The whole blood samples for S-glutathionyl expression of 5-month-old AD-Tg mice are quantified as 16.3 μmol/L (=7.2 nmol/mg protein). Altogether, this is a fast, easy, and accurate method, reaching the lowest limit of Pr-SSG detection at 1.8 attomole (amol) level, reported to date.
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Cooper AJ, Pinto JT, Callery PS. Reversible and irreversible protein glutathionylation: biological and clinical aspects. Expert Opin Drug Metab Toxicol 2011; 7:891-910. [PMID: 21557709 DOI: 10.1517/17425255.2011.577738] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
INTRODUCTION Depending in part on the glutathione:glutathione disulfide ratio, reversible protein glutathionylation to a mixed disulfide may occur. Reversible glutathionylation is important in protecting proteins against oxidative stress, guiding correct protein folding, regulating protein activity and modulating proteins critical to redox signaling. The potential also exists for irreversible protein glutathionylation via Michael addition of an -SH group to a dehydroalanyl residue, resulting in formation of a stable, non-reducible thioether linkage. AREAS COVERED This article reviews factors contributing to reversible and irreversible protein glutathionylation and their biomedical implications. It also examines the possibility that certain drugs such as busulfan may be toxic by promoting irreversible glutathionylation. The reader will gain an appreciation of the protective nature and control of function resulting from reversible protein glutathionylation. The reader is also introduced to the recently identified phenomenon of irreversible protein glutathionylation and its possible deleterious effects. EXPERT OPINION The process of reversible protein glutathionylation is now well established but these findings need to be substantiated at the tissue and organ levels, and also with disease state. That being said, irreversible protein glutathionylation can also occur and this has implications in disease and aging. Toxicologists should consider this when evaluating the possible side effects of certain drugs such as busulfan that may generate a glutathionylating species in vivo.
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Affiliation(s)
- Arthur Jl Cooper
- Department of Biochemistry and Molecular Biology, New York Medical College, 15 Dana Road, Valhalla, NY 10595, USA.
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30
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Uys JD, Xiong Y, Townsend DM. Nitrosative stress-induced S-glutathionylation of protein disulfide isomerase. Methods Enzymol 2011; 490:321-32. [PMID: 21266258 DOI: 10.1016/b978-0-12-385114-7.00018-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Oxidative and nitrosative stress result in the accumulation of reactive oxygen and nitrogen species (ROS/RNS) which trigger redox-mediated signaling cascades through posttranslational modifications on cysteine residues, including S-nitrosylation (P-SNO) and S-glutathionylation (P-SSG). Protein disulfide isomerase (PDI) is the most abundant chaperone in the endoplasmic reticulum and facilitates protein folding via oxidoreductase activity. Prolonged or acute nitrosative stress blunts the activity of PDI through the formation of PDI-SNO and PDI-SSG. The functional implication is that reduced activity for the period of time leads to an accumulation of misfolded or unfolded proteins and activation of the unfolded protein response. Redox regulation of PDI and downstream signaling events provides an integration point for the functional determination of cell survival pathways. Herein, we describe the methodologies to globally identify S-glutathionylated targets of ROS/RNS; validate and identify the specific cysteine targets and characterize the structural and functional consequences.
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Affiliation(s)
- Joachim D Uys
- Department of Pharmaceutical and Biomedical Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
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