1
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Prolo C, Piacenza L, Radi R. Peroxynitrite: a multifaceted oxidizing and nitrating metabolite. Curr Opin Chem Biol 2024; 80:102459. [PMID: 38723343 DOI: 10.1016/j.cbpa.2024.102459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 04/06/2024] [Accepted: 04/07/2024] [Indexed: 06/12/2024]
Abstract
Peroxynitrite, a short-lived and reactive oxidant, emerges from the diffusion-controlled reaction between the superoxide radical and nitric oxide. Evidence shows that peroxynitrite is a critical mediator in physiological and pathological processes such as the immune response, inflammation, cancer, neurodegeneration, vascular dysfunction, and aging. The biochemistry of peroxynitrite is multifaceted, involving one- or two-electron oxidations and nitration reactions. This minireview highlights recent findings of peroxynitrite acting as a metabolic mediator in processes ranging from oxidative killing to redox signaling. Selected examples of nitrated proteins (i.e., 3-nitrotyrosine) are surveyed to underscore the role of this post-translational modification on cell homeostasis. While accumulated evidence shows that large amounts of peroxynitrite participates of broad oxidation and nitration events in invading pathogens and host tissues, a closer look supports that low to moderate levels selectively trigger signal transduction cascades. Peroxynitrite probes and redox-based pharmacology are instrumental to further understand the biological actions of this reactive metabolite.
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Affiliation(s)
- Carolina Prolo
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Lucía Piacenza
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Rafael Radi
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
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2
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Chen L, Yang T, Sun X, Wong CC, Yang D. Protein Tyrosine Amination: Detection, Imaging, and Chemoproteomic Profiling with Synthetic Probes. J Am Chem Soc 2024; 146:11944-11954. [PMID: 38622919 PMCID: PMC11066840 DOI: 10.1021/jacs.4c01028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/24/2024] [Accepted: 03/25/2024] [Indexed: 04/17/2024]
Abstract
Protein tyrosine nitration (PTN) by oxidative and nitrative stress is a well-known post-translational modification that plays a role in the initiation and progression of various diseases. Despite being recognized as a stable modification for decades, recent studies have suggested the existence of a reduction in PTN, leading to the formation of 3-aminotyrosine (3AT) and potential denitration processes. However, the vital functions of 3AT-containing proteins are still unclear due to the lack of selective probes that directly target the protein tyrosine amination. Here, we report a novel approach to label and enrich 3AT-containing proteins with synthetic salicylaldehyde (SAL)-based probes: SALc-FL with a fluorophore and SALc-Yn with an alkyne tag. These probes exhibit high selectivity and efficiency in labeling and can be used in cell lysates and live cells. More importantly, SALc-Yn offers versatility when integrated into multiple platforms by enabling proteome-wide quantitative profiling of cell nitration dynamics. Using SALc-Yn, 355 proteins were labeled, enriched, and identified to carry the 3AT modification in oxidatively stressed RAW264.7 cells. These findings provide compelling evidence supporting the involvement of 3AT as a critical intermediate in nitrated protein turnover. Moreover, our probes serve as powerful tools to investigate protein nitration and denitration processes, and the identification of 3AT-containing proteins contributes to our understanding of PTN dynamics and its implications in cellular redox biology.
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Affiliation(s)
- Lei Chen
- Morningside
Laboratory for Chemical Biology, Department of Chemistry, The University of Hong Kong, Hong Kong, China
| | - Tonghua Yang
- Morningside
Laboratory for Chemical Biology, Department of Chemistry, The University of Hong Kong, Hong Kong, China
| | - Xue Sun
- First
School of Clinical Medicine, Peking University First Hospital, Peking University, Beijing 100871, China
| | - Catherine C.L. Wong
- First
School of Clinical Medicine, Peking University First Hospital, Peking University, Beijing 100871, China
- State
Key Laboratory of Complex, Severe and Rare Diseases, Clinical Research
Institute, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing 100730, China
- Tsinghua-Peking
University Joint Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Dan Yang
- Laboratory
of Chemical Biology and Molecular Medicine, School of Life Sciences, Westlake University, Hangzhou 310030, China
- Westlake
Laboratory of Life Sciences and Biomedicine, Hangzhou 310024, China
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3
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Bashyal A, Brodbelt JS. Uncommon posttranslational modifications in proteomics: ADP-ribosylation, tyrosine nitration, and tyrosine sulfation. MASS SPECTROMETRY REVIEWS 2024; 43:289-326. [PMID: 36165040 PMCID: PMC10040477 DOI: 10.1002/mas.21811] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 06/16/2023]
Abstract
Posttranslational modifications (PTMs) are covalent modifications of proteins that modulate the structure and functions of proteins and regulate biological processes. The development of various mass spectrometry-based proteomics workflows has facilitated the identification of hundreds of PTMs and aided the understanding of biological significance in a high throughput manner. Improvements in sample preparation and PTM enrichment techniques, instrumentation for liquid chromatography-tandem mass spectrometry (LC-MS/MS), and advanced data analysis tools enhance the specificity and sensitivity of PTM identification. Highly prevalent PTMs like phosphorylation, glycosylation, acetylation, ubiquitinylation, and methylation are extensively studied. However, the functions and impact of less abundant PTMs are not as well understood and underscore the need for analytical methods that aim to characterize these PTMs. This review focuses on the advancement and analytical challenges associated with the characterization of three less common but biologically relevant PTMs, specifically, adenosine diphosphate-ribosylation, tyrosine sulfation, and tyrosine nitration. The advantages and disadvantages of various enrichment, separation, and MS/MS techniques utilized to identify and localize these PTMs are described.
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Affiliation(s)
- Aarti Bashyal
- Department of Chemistry, The University of Texas at Austin, Austin, Texas, USA
| | - Jennifer S Brodbelt
- Department of Chemistry, The University of Texas at Austin, Austin, Texas, USA
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4
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Zafar S, Fatima SI, Schmitz M, Zerr I. Current Technologies Unraveling the Significance of Post-Translational Modifications (PTMs) as Crucial Players in Neurodegeneration. Biomolecules 2024; 14:118. [PMID: 38254718 PMCID: PMC10813409 DOI: 10.3390/biom14010118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/09/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Neurodegenerative disorders, such as Parkinson's disease, Alzheimer's disease, and Huntington's disease, are identified and characterized by the progressive loss of neurons and neuronal dysfunction, resulting in cognitive and motor impairment. Recent research has shown the importance of PTMs, such as phosphorylation, acetylation, methylation, ubiquitination, sumoylation, nitration, truncation, O-GlcNAcylation, and hydroxylation, in the progression of neurodegenerative disorders. PTMs can alter protein structure and function, affecting protein stability, localization, interactions, and enzymatic activity. Aberrant PTMs can lead to protein misfolding and aggregation, impaired degradation, and clearance, and ultimately, to neuronal dysfunction and death. The main objective of this review is to provide an overview of the PTMs involved in neurodegeneration, their underlying mechanisms, methods to isolate PTMs, and the potential therapeutic targets for these disorders. The PTMs discussed in this article include tau phosphorylation, α-synuclein and Huntingtin ubiquitination, histone acetylation and methylation, and RNA modifications. Understanding the role of PTMs in neurodegenerative diseases may provide new therapeutic strategies for these devastating disorders.
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Affiliation(s)
- Saima Zafar
- Department of Neurology, Clinical Dementia Center and DZNE, University Medical Center Goettingen (UMG), Georg-August University, Robert-Koch-Str. 40, 37075 Goettingen, Germany
- Biomedical Engineering and Sciences Department, School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Bolan Road, H-12, Islamabad 44000, Pakistan
| | - Shehzadi Irum Fatima
- Department of Neurology, Clinical Dementia Center and DZNE, University Medical Center Goettingen (UMG), Georg-August University, Robert-Koch-Str. 40, 37075 Goettingen, Germany
| | - Matthias Schmitz
- Department of Neurology, Clinical Dementia Center and DZNE, University Medical Center Goettingen (UMG), Georg-August University, Robert-Koch-Str. 40, 37075 Goettingen, Germany
| | - Inga Zerr
- Department of Neurology, Clinical Dementia Center and DZNE, University Medical Center Goettingen (UMG), Georg-August University, Robert-Koch-Str. 40, 37075 Goettingen, Germany
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5
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Zhu P, Nguyen KT, Estelle AB, Sluchanko NN, Mehl RA, Cooley RB. Genetic encoding of 3-nitro-tyrosine reveals the impacts of 14-3-3 nitration on client binding and dephosphorylation. Protein Sci 2023; 32:e4574. [PMID: 36691781 PMCID: PMC9926477 DOI: 10.1002/pro.4574] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/10/2023] [Accepted: 01/16/2023] [Indexed: 01/25/2023]
Abstract
14-3-3 proteins are central hub regulators of hundreds of phosphorylated "client" proteins. They are subject to over 60 post-translational modifications (PTMs), yet little is known how these PTMs alter 14-3-3 function and its ability to regulate downstream signaling pathways. An often neglected, but well-documented 14-3-3 PTM found under physiological and immune-stimulatory conditions is the conversion of tyrosine to 3-nitro-tyrosine at several Tyr sites, two of which are located at sites considered important for 14-3-3 function: Y130 (β-isoform numbering) is located in the primary phospho-client peptide-binding groove, while Y213 is found on a secondary binding site that engages with clients for full 14-3-3/client complex formation and client regulation. By genetically encoding 3-nitro-tyrosine, we sought to understand if nitration at Y130 and Y213 effectively modulated 14-3-3 structure, function, and client complexation. The 1.5 Å resolution crystal structure of 14-3-3 nitrated at Y130 showed the nitro group altered the conformation of key residues in the primary binding site, while functional studies confirmed client proteins failed to bind this variant of 14-3-3. But, in contrast to other client-binding deficient variants, it did not localize to the nucleus. The 1.9 Å resolution structure of 14-3-3 nitrated at Y213 revealed unusual flexibility of its C-terminal α-helix resulting in domain swapping, suggesting additional structural plasticity though its relevance is not clear as this nitrated form retained its ability to bind clients. Collectively, our data suggest that nitration of 14-3-3 will alter downstream signaling systems, and if uncontrolled could result in global dysregulation of the 14-3-3 interactome.
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Affiliation(s)
- Phillip Zhu
- Department of Biochemistry and Biophysics, 2011 Agricultural and Life SciencesOregon State UniversityCorvallisOregonUSA
| | - Kyle T. Nguyen
- Department of Biochemistry and Biophysics, 2011 Agricultural and Life SciencesOregon State UniversityCorvallisOregonUSA
| | - Aidan B. Estelle
- Department of Biochemistry and Biophysics, 2011 Agricultural and Life SciencesOregon State UniversityCorvallisOregonUSA
| | - Nikolai N. Sluchanko
- Federal Research Center of Biotechnology of the Russian Academy of SciencesA.N. Bach Institute of BiochemistryMoscowRussia
| | - Ryan A. Mehl
- Department of Biochemistry and Biophysics, 2011 Agricultural and Life SciencesOregon State UniversityCorvallisOregonUSA
| | - Richard B. Cooley
- Department of Biochemistry and Biophysics, 2011 Agricultural and Life SciencesOregon State UniversityCorvallisOregonUSA
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6
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Radi R. Interplay of carbon dioxide and peroxide metabolism in mammalian cells. J Biol Chem 2022; 298:102358. [PMID: 35961463 PMCID: PMC9485056 DOI: 10.1016/j.jbc.2022.102358] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/04/2022] [Accepted: 08/05/2022] [Indexed: 10/25/2022] Open
Abstract
The carbon dioxide/bicarbonate (CO2/HCO3-) molecular pair is ubiquitous in mammalian cells and tissues, mainly as a result of oxidative decarboxylation reactions that occur during intermediary metabolism. CO2 is in rapid equilibrium with HCO3-via the hydration reaction catalyzed by carbonic anhydrases. Far from being an inert compound in redox biology, CO2 enhances or redirects the reactivity of peroxides, modulating the velocity, extent, and type of one- and two-electron oxidation reactions mediated by hydrogen peroxide (H2O2) and peroxynitrite (ONOO-/ONOOH). Herein, we review the biochemical mechanisms by which CO2 engages in peroxide-dependent reactions, free radical production, redox signaling, and oxidative damage. First, we cover the metabolic formation of CO2 and its connection to peroxide formation and decomposition. Next, the reaction mechanisms, kinetics, and processes by which the CO2/peroxide interplay modulates mammalian cell redox biology are scrutinized in-depth. Importantly, CO2 also regulates gene expression related to redox and nitric oxide metabolism and as such influences oxidative and inflammatory processes. Accumulated biochemical evidence in vitro, in cellula, and in vivo unambiguously show that the CO2 and peroxide metabolic pathways are intertwined and together participate in key redox events in mammalian cells.
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Affiliation(s)
- Rafael Radi
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
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7
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Piacenza L, Zeida A, Trujillo M, Radi R. The superoxide radical switch in the biology of nitric oxide and peroxynitrite. Physiol Rev 2022; 102:1881-1906. [PMID: 35605280 DOI: 10.1152/physrev.00005.2022] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Lucìa Piacenza
- Departamento de Bioquímica, Facultad de Medicina; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Uruguay
| | - Ari Zeida
- Departamento de Bioquímica, Facultad de Medicina; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo, Uruguay
| | - Madia Trujillo
- Departamento de Bioquímica, Facultad de Medicina; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo, Uruguay
| | - Rafael Radi
- Departamento de Bioquímica, Facultad de Medicina; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo, Uruguay
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8
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De Simone G, Sbardella D, Oddone F, Pesce A, Coletta M, Ascenzi P. Structural and (Pseudo-)Enzymatic Properties of Neuroglobin: Its Possible Role in Neuroprotection. Cells 2021; 10:cells10123366. [PMID: 34943874 PMCID: PMC8699588 DOI: 10.3390/cells10123366] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/20/2021] [Accepted: 11/23/2021] [Indexed: 12/17/2022] Open
Abstract
Neuroglobin (Ngb), the third member of the globin family, was discovered in human and murine brains in 2000. This monomeric globin is structurally similar to myoglobin (Mb) and hemoglobin (Hb) α and β subunits, but it hosts a bis-histidyl six-coordinated heme-Fe atom. Therefore, the heme-based reactivity of Ngb is modulated by the dissociation of the distal HisE7-heme-Fe bond, which reflects in turn the redox state of the cell. The high Ngb levels (~100–200 μM) present in the retinal ganglion cell layer and in the optic nerve facilitate the O2 buffer and delivery. In contrast, the very low levels of Ngb (~1 μM) in most tissues and organs support (pseudo-)enzymatic properties including NO/O2 metabolism, peroxynitrite and free radical scavenging, nitrite, hydroxylamine, hydrogen sulfide reduction, and the nitration of aromatic compounds. Here, structural and (pseudo-)enzymatic properties of Ngb, which are at the root of tissue and organ protection, are reviewed, envisaging a possible role in the protection from neuronal degeneration of the retina and the optic nerve.
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Affiliation(s)
- Giovanna De Simone
- Dipartimento di Scienze, Università Roma Tre, Viale Marconi 446, 00146 Roma, Italy;
| | | | | | - Alessandra Pesce
- Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16100 Genova, Italy;
| | - Massimo Coletta
- IRCCS Fondazione Bietti, 00198 Roma, Italy; (D.S.); (F.O.)
- Dipartmento di Scienze Cliniche e Medicina Traslazionale, Università di Roma “Tor Vergata”, Via Montpellier 1, 00133 Roma, Italy
- Correspondence: (M.C.); (P.A.); Tel.: +39-06-72596365 (M.C.); +39-06-57336321 (P.A.)
| | - Paolo Ascenzi
- Dipartimento di Scienze, Università Roma Tre, Viale Marconi 446, 00146 Roma, Italy;
- Accademia Nazionale dei Lincei, Via della Lungara 10, 00165 Roma, Italy
- Unità di Neuroendocrinologia, Metabolismo e Neurofarmacologia, IRCSS Fondazione Santa Lucia, 00179 Roma, Italy
- Correspondence: (M.C.); (P.A.); Tel.: +39-06-72596365 (M.C.); +39-06-57336321 (P.A.)
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9
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Kriss CL, Duro N, Nadeau OW, Guergues J, Chavez-Chiang O, Culver-Cochran AE, Chaput D, Varma S, Stevens SM. Site-specific identification and validation of hepatic histone nitration in vivo: Implications for alcohol-induced liver injury. JOURNAL OF MASS SPECTROMETRY : JMS 2021; 56:e4713. [PMID: 33942435 DOI: 10.1002/jms.4713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 01/29/2021] [Accepted: 02/23/2021] [Indexed: 06/12/2023]
Abstract
Oxidative and nitrative stress have been implicated in the molecular mechanisms underlying a variety of biological processes and disease states including cancer, aging, cardiovascular disease, neurological disorders, diabetes, and alcohol-induced liver injury. One marker of nitrative stress is the formation of 3-nitrotyrosine, or protein tyrosine nitration (PTN), which has been observed during inflammation and tissue injury; however, the role of PTN in the progression or possibly the pathogenesis of disease is still unclear. We show in a model of alcohol-induced liver injury that an increase in PTN occurs in hepatocyte nuclei within the liver of wild-type male C57BL/6J mice following chronic ethanol exposure (28 days). High-resolution mass spectrometric analysis of isolated hepatic nuclei revealed several novel sites of tyrosine nitration on histone proteins. Histone nitration sites were validated by tandem mass spectrometry (MS/MS) analysis of representative synthetic nitropeptides equivalent in sequence to the respective nitrotyrosine sites identified in vivo. We further investigated the potential structural impact of the novel histone H3 Tyr41 (H3Y41) nitration site identified using molecular dynamics (MD) simulations. MD simulations of the nitrated and non-nitrated forms of histone H3Y41 showed significant structural changes at the DNA interface upon H3Y41 nitration. The results from this study suggest that, in addition to other known post-translational modifications that occur on histone proteins (e.g., acetylation and methylation), PTN could induce chromatin structural changes, possibly affecting gene transcription processes associated with the development of alcohol-induced liver injury.
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Affiliation(s)
- Crystina L Kriss
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, 33620, USA
- Department of Cardiovascular Regeneration, Houston Methodist Research Institute, 6607 Bertner Ave, Houston, TX, 77030, USA
| | - Nalvi Duro
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, 33620, USA
| | - Owen W Nadeau
- Department of Pharmaceutical Sciences, Albany College of Pharmacy and Health Sciences, 261 Mountain View Dr, Colchester, VT, 05446, USA
| | - Jennifer Guergues
- Department of Pharmaceutical Sciences, Albany College of Pharmacy and Health Sciences, 261 Mountain View Dr, Colchester, VT, 05446, USA
- MSRC Proteomics Core Laboratory, Vanderbilt University, Medical Research Building III, Nashville, TN, 37232, USA
| | - Omar Chavez-Chiang
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, 33620, USA
- Department of Tumor Biology, H. Lee Moffitt Cancer Center & Research Institute, 12902 Magnolia Drive, SRB-3, Tampa, FL, 33612, USA
| | - Ashley E Culver-Cochran
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, 33620, USA
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA
| | - Dale Chaput
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, 33620, USA
| | - Sameer Varma
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, 33620, USA
| | - Stanley M Stevens
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, 4202 E. Fowler Ave, Tampa, FL, 33620, USA
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10
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3-Nitrotyrosine and related derivatives in proteins: precursors, radical intermediates and impact in function. Essays Biochem 2020; 64:111-133. [PMID: 32016371 DOI: 10.1042/ebc20190052] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 12/30/2019] [Accepted: 01/03/2020] [Indexed: 12/22/2022]
Abstract
Oxidative post-translational modification of proteins by molecular oxygen (O2)- and nitric oxide (•NO)-derived reactive species is a usual process that occurs in mammalian tissues under both physiological and pathological conditions and can exert either regulatory or cytotoxic effects. Although the side chain of several amino acids is prone to experience oxidative modifications, tyrosine residues are one of the preferred targets of one-electron oxidants, given the ability of their phenolic side chain to undergo reversible one-electron oxidation to the relatively stable tyrosyl radical. Naturally occurring as reversible catalytic intermediates at the active site of a variety of enzymes, tyrosyl radicals can also lead to the formation of several stable oxidative products through radical-radical reactions, as is the case of 3-nitrotyrosine (NO2Tyr). The formation of NO2Tyr mainly occurs through the fast reaction between the tyrosyl radical and nitrogen dioxide (•NO2). One of the key endogenous nitrating agents is peroxynitrite (ONOO-), the product of the reaction of superoxide radical (O2•-) with •NO, but ONOO--independent mechanisms of nitration have been also disclosed. This chemical modification notably affects the physicochemical properties of tyrosine residues and because of this, it can have a remarkable impact on protein structure and function, both in vitro and in vivo. Although low amounts of NO2Tyr are detected under basal conditions, significantly increased levels are found at pathological states related with an overproduction of reactive species, such as cardiovascular and neurodegenerative diseases, inflammation and aging. While NO2Tyr is a well-established stable oxidative stress biomarker and a good predictor of disease progression, its role as a pathogenic mediator has been laboriously defined for just a small number of nitrated proteins and awaits further studies.
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Adav SS, Sze SK. Hypoxia-Induced Degenerative Protein Modifications Associated with Aging and Age-Associated Disorders. Aging Dis 2020; 11:341-364. [PMID: 32257546 PMCID: PMC7069466 DOI: 10.14336/ad.2019.0604] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 06/04/2019] [Indexed: 12/18/2022] Open
Abstract
Aging is an inevitable time-dependent decline of various physiological functions that finally leads to death. Progressive protein damage and aggregation have been proposed as the root cause of imbalance in regulatory processes and risk factors for aging and neurodegenerative diseases. Oxygen is a modulator of aging. The oxygen-deprived conditions (hypoxia) leads to oxidative stress, cellular damage and protein modifications. Despite unambiguous evidence of the critical role of spontaneous non-enzymatic Degenerative Protein Modifications (DPMs) such as oxidation, glycation, carbonylation, carbamylation, and deamidation, that impart deleterious structural and functional protein alterations during aging and age-associated disorders, the mechanism that mediates these modifications is poorly understood. This review summarizes up-to-date information and recent developments that correlate DPMs, aging, hypoxia, and age-associated neurodegenerative diseases. Despite numerous advances in the study of the molecular hallmark of aging, hypoxia, and degenerative protein modifications during aging and age-associated pathologies, a major challenge remains there to dissect the relative contribution of different DPMs in aging (either natural or hypoxia-induced) and age-associated neurodegeneration.
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Affiliation(s)
- Sunil S Adav
- School of Biological Sciences, Nanyang Technological University, Singapore
- Singapore Phenome Centre, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Siu Kwan Sze
- School of Biological Sciences, Nanyang Technological University, Singapore
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12
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Bandookwala M, Sengupta P. 3-Nitrotyrosine: a versatile oxidative stress biomarker for major neurodegenerative diseases. Int J Neurosci 2020; 130:1047-1062. [PMID: 31914343 DOI: 10.1080/00207454.2020.1713776] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Reactive oxygen species are generated as a by-product of routine biochemical reactions. However, dysfunction of the antioxidant system or mutations in gene function may result in the elevated production of the pro-oxidant species. Modified endogenous molecules due to chemical interactions with increased levels of reactive oxygen and nitrogen species in the cellular microenvironment can be termed as biomarkers of oxidative stress. 3-Nitrotyrosine is one such promising biomarker of oxidative stress formed due to nitration of protein-bound and free tyrosine residues by reactive peroxynitrite molecules. Nitration of proteins at the subcellular level results in conformational alterations that damage the cytoskeleton and result in neurodegeneration. In this review, we summarized the role of oxidative/nitrosative processes as a contributing factor for progressive neurodegeneration in Alzheimer's disease, Parkinson's disease, Huntington's disease, Lou Gehrig's disease and Prion disease. The selective tyrosine protein nitration of the major marker proteins in related pathologies has been discussed. The alteration in 3-Nitrotyrosine profile occurs well before any symptoms appear and can be considered as a potential target for early diagnosis of neurodegenerative diseases. Furthermore, the reduction in 3-Nitrotyrosine levels in response to treatment with neuroprotective has been highlighted which is indicative of the importance of this particular marker in oxidative stress-related brain and central nervous system pathologies.
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Affiliation(s)
- Maria Bandookwala
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gujarat, India
| | - Pinaki Sengupta
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gujarat, India
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13
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Lai CK, Tang WK, Siu CK, Chu IK. Evidence for the Prerequisite Formation of Phenoxyl Radicals in Radical-Mediated Peptide Tyrosine Nitration In Vacuo. Chemistry 2020; 26:331-335. [PMID: 31657861 DOI: 10.1002/chem.201904484] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Indexed: 12/30/2022]
Abstract
The elementary mechanism of radical-mediated peptide tyrosine nitration, which is a hallmark of post-translational modification of proteins under nitrative stress in vivo, has been elucidated in detail by using an integrated approach that combines the gas-phase synthesis of prototypical molecular tyrosine-containing peptide radical cations, ion-molecule reactions, and isotopic labeling experiments with DFT calculations. This reaction first involves the radical recombination of . NO2 towards the prerequisite phenoxyl radical tautomer of a tyrosine residue, followed by proton rearrangements, finally yielding the stable and regioselective 3-nitrotyrosyl residue product. In contrast, nitration with the π-phenolic radical cation tautomer is inefficient. This first direct experimental evidence for the elementary steps of the radical-mediated tyrosine nitration mechanism in the gas phase provides a fundamental insight into the regioselectivity of biological tyrosine ortho-nitration.
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Affiliation(s)
- Cheuk Kuen Lai
- Department of Chemistry, University of Hong Kong, Pokfulam, Hong Kong, S.A.R. China
| | - Wai Kit Tang
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong, S.A.R. China
| | - Chi-Kit Siu
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong, S.A.R. China
| | - Ivan K Chu
- Department of Chemistry, University of Hong Kong, Pokfulam, Hong Kong, S.A.R. China
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14
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Hedl TJ, San Gil R, Cheng F, Rayner SL, Davidson JM, De Luca A, Villalva MD, Ecroyd H, Walker AK, Lee A. Proteomics Approaches for Biomarker and Drug Target Discovery in ALS and FTD. Front Neurosci 2019; 13:548. [PMID: 31244593 PMCID: PMC6579929 DOI: 10.3389/fnins.2019.00548] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 05/13/2019] [Indexed: 12/11/2022] Open
Abstract
Neurodegenerative disorders such as amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) are increasing in prevalence but lack targeted therapeutics. Although the pathological mechanisms behind these diseases remain unclear, both ALS and FTD are characterized pathologically by aberrant protein aggregation and inclusion formation within neurons, which correlates with neurodegeneration. Notably, aggregation of several key proteins, including TAR DNA binding protein of 43 kDa (TDP-43), superoxide dismutase 1 (SOD1), and tau, have been implicated in these diseases. Proteomics methods are being increasingly applied to better understand disease-related mechanisms and to identify biomarkers of disease, using model systems as well as human samples. Proteomics-based approaches offer unbiased, high-throughput, and quantitative results with numerous applications for investigating proteins of interest. Here, we review recent advances in the understanding of ALS and FTD pathophysiology obtained using proteomics approaches, and we assess technical and experimental limitations. We compare findings from various mass spectrometry (MS) approaches including quantitative proteomics methods such as stable isotope labeling by amino acids in cell culture (SILAC) and tandem mass tagging (TMT) to approaches such as label-free quantitation (LFQ) and sequential windowed acquisition of all theoretical fragment ion mass spectra (SWATH-MS) in studies of ALS and FTD. Similarly, we describe disease-related protein-protein interaction (PPI) studies using approaches including immunoprecipitation mass spectrometry (IP-MS) and proximity-dependent biotin identification (BioID) and discuss future application of new techniques including proximity-dependent ascorbic acid peroxidase labeling (APEX), and biotinylation by antibody recognition (BAR). Furthermore, we explore the use of MS to detect post-translational modifications (PTMs), such as ubiquitination and phosphorylation, of disease-relevant proteins in ALS and FTD. We also discuss upstream technologies that enable enrichment of proteins of interest, highlighting the contributions of new techniques to isolate disease-relevant protein inclusions including flow cytometric analysis of inclusions and trafficking (FloIT). These recently developed approaches, as well as related advances yet to be applied to studies of these neurodegenerative diseases, offer numerous opportunities for discovery of potential therapeutic targets and biomarkers for ALS and FTD.
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Affiliation(s)
- Thomas J Hedl
- Neurodegeneration Pathobiology Laboratory, Queensland Brain Institute, The University of Queensland, St Lucia, QLD, Australia
| | - Rebecca San Gil
- Neurodegeneration Pathobiology Laboratory, Queensland Brain Institute, The University of Queensland, St Lucia, QLD, Australia
| | - Flora Cheng
- Centre for Motor Neuron Disease Research, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, North Ryde, NSW, Australia
| | - Stephanie L Rayner
- Centre for Motor Neuron Disease Research, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, North Ryde, NSW, Australia
| | - Jennilee M Davidson
- Centre for Motor Neuron Disease Research, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, North Ryde, NSW, Australia
| | - Alana De Luca
- Centre for Motor Neuron Disease Research, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, North Ryde, NSW, Australia
| | - Maria D Villalva
- Centre for Motor Neuron Disease Research, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, North Ryde, NSW, Australia
| | - Heath Ecroyd
- School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW, Australia.,Illawarra Health and Medical Research Institute, Wollongong, NSW, Australia
| | - Adam K Walker
- Neurodegeneration Pathobiology Laboratory, Queensland Brain Institute, The University of Queensland, St Lucia, QLD, Australia.,Centre for Motor Neuron Disease Research, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, North Ryde, NSW, Australia
| | - Albert Lee
- Centre for Motor Neuron Disease Research, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, North Ryde, NSW, Australia
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15
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Sharma S, Young RJ, Chen J, Chen X, Oh EC, Schiller MR. Minimotifs dysfunction is pervasive in neurodegenerative disorders. ALZHEIMER'S & DEMENTIA (NEW YORK, N. Y.) 2018; 4:414-432. [PMID: 30225339 PMCID: PMC6139474 DOI: 10.1016/j.trci.2018.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Minimotifs are modular contiguous peptide sequences in proteins that are important for posttranslational modifications, binding to other molecules, and trafficking to specific subcellular compartments. Some molecular functions of proteins in cellular pathways can be predicted from minimotif consensus sequences identified through experimentation. While a role for minimotifs in regulating signal transduction and gene regulation during disease pathogenesis (such as infectious diseases and cancer) is established, the therapeutic use of minimotif mimetic drugs is limited. In this review, we discuss a general theme identifying a pervasive role of minimotifs in the pathomechanism of neurodegenerative diseases. Beyond their longstanding history in the genetics of familial neurodegeneration, minimotifs are also major players in neurotoxic protein aggregation, aberrant protein trafficking, and epigenetic regulation. Generalizing the importance of minimotifs in neurodegenerative diseases offers a new perspective for the future study of neurodegenerative mechanisms and the investigation of new therapeutics.
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Affiliation(s)
- Surbhi Sharma
- Nevada Institute of Personalized Medicine, Las Vegas, NV, USA
- School of Life Sciences, Las Vegas, NV, USA
| | - Richard J. Young
- Nevada Institute of Personalized Medicine, Las Vegas, NV, USA
- School of Life Sciences, Las Vegas, NV, USA
| | - Jingchun Chen
- Nevada Institute of Personalized Medicine, Las Vegas, NV, USA
| | - Xiangning Chen
- Nevada Institute of Personalized Medicine, Las Vegas, NV, USA
- Department of Psychology, Las Vegas, NV, USA
| | - Edwin C. Oh
- Nevada Institute of Personalized Medicine, Las Vegas, NV, USA
- School of Medicine, Las Vegas, NV, USA
| | - Martin R. Schiller
- Nevada Institute of Personalized Medicine, Las Vegas, NV, USA
- School of Life Sciences, Las Vegas, NV, USA
- School of Medicine, Las Vegas, NV, USA
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16
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Pérez H, Finocchietto PV, Alippe Y, Rebagliati I, Elguero ME, Villalba N, Poderoso JJ, Carreras MC. p66 Shc Inactivation Modifies RNS Production, Regulates Sirt3 Activity, and Improves Mitochondrial Homeostasis, Delaying the Aging Process in Mouse Brain. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:8561892. [PMID: 29721150 PMCID: PMC5867558 DOI: 10.1155/2018/8561892] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 01/17/2018] [Indexed: 01/17/2023]
Abstract
Programmed and damage aging theories have traditionally been conceived as stand-alone schools of thought. However, the p66Shc adaptor protein has demonstrated that aging-regulating genes and reactive oxygen species (ROS) are closely interconnected, since its absence modifies metabolic homeostasis by providing oxidative stress resistance and promoting longevity. p66Shc(-/-) mice are a unique opportunity to further comprehend the bidirectional relationship between redox homeostasis and the imbalance of mitochondrial biogenesis and dynamics during aging. This study shows that brain mitochondria of p66Shc(-/-) aged mice exhibit a reduced alteration of redox balance with a decrease in both ROS generation and its detoxification activity. We also demonstrate a strong link between reactive nitrogen species (RNS) and mitochondrial function, morphology, and biogenesis, where low levels of ONOO- formation present in aged p66Shc(-/-) mouse brain prevent protein nitration, delaying the loss of biological functions characteristic of the aging process. Sirt3 modulates age-associated mitochondrial biology and function via lysine deacetylation of target proteins, and we show that its regulation depends on its nitration status and is benefited by the improved NAD+/NADH ratio in aged p66Shc(-/-) brain mitochondria. Low levels of protein nitration and acetylation could cause the metabolic homeostasis maintenance observed during aging in this group, thus increasing its lifespan.
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Affiliation(s)
- Hernán Pérez
- Laboratory of Oxygen Metabolism, INIGEM-UBA-CONICET, Buenos Aires, Argentina
| | - Paola Vanesa Finocchietto
- Laboratory of Oxygen Metabolism, INIGEM-UBA-CONICET, Buenos Aires, Argentina
- Departamento de Medicina, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Yael Alippe
- Laboratory of Oxygen Metabolism, INIGEM-UBA-CONICET, Buenos Aires, Argentina
| | - Inés Rebagliati
- Laboratory of Oxygen Metabolism, INIGEM-UBA-CONICET, Buenos Aires, Argentina
| | | | - Nerina Villalba
- Laboratory of Oxygen Metabolism, INIGEM-UBA-CONICET, Buenos Aires, Argentina
| | - Juan José Poderoso
- Laboratory of Oxygen Metabolism, INIGEM-UBA-CONICET, Buenos Aires, Argentina
| | - María Cecilia Carreras
- Laboratory of Oxygen Metabolism, INIGEM-UBA-CONICET, Buenos Aires, Argentina
- Departamento de Bioquímica Clínica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
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17
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Ferrer-Sueta G, Campolo N, Trujillo M, Bartesaghi S, Carballal S, Romero N, Alvarez B, Radi R. Biochemistry of Peroxynitrite and Protein Tyrosine Nitration. Chem Rev 2018; 118:1338-1408. [DOI: 10.1021/acs.chemrev.7b00568] [Citation(s) in RCA: 292] [Impact Index Per Article: 48.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Gerardo Ferrer-Sueta
- Laboratorio
de Fisicoquímica Biológica, Facultad de
Ciencias, ‡Center for Free Radical and Biomedical Research, §Departamento de Bioquímica,
Facultad de Medicina, ∥Laboratorio de Enzimología, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Nicolás Campolo
- Laboratorio
de Fisicoquímica Biológica, Facultad de
Ciencias, ‡Center for Free Radical and Biomedical Research, §Departamento de Bioquímica,
Facultad de Medicina, ∥Laboratorio de Enzimología, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Madia Trujillo
- Laboratorio
de Fisicoquímica Biológica, Facultad de
Ciencias, ‡Center for Free Radical and Biomedical Research, §Departamento de Bioquímica,
Facultad de Medicina, ∥Laboratorio de Enzimología, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Silvina Bartesaghi
- Laboratorio
de Fisicoquímica Biológica, Facultad de
Ciencias, ‡Center for Free Radical and Biomedical Research, §Departamento de Bioquímica,
Facultad de Medicina, ∥Laboratorio de Enzimología, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Sebastián Carballal
- Laboratorio
de Fisicoquímica Biológica, Facultad de
Ciencias, ‡Center for Free Radical and Biomedical Research, §Departamento de Bioquímica,
Facultad de Medicina, ∥Laboratorio de Enzimología, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Natalia Romero
- Laboratorio
de Fisicoquímica Biológica, Facultad de
Ciencias, ‡Center for Free Radical and Biomedical Research, §Departamento de Bioquímica,
Facultad de Medicina, ∥Laboratorio de Enzimología, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Beatriz Alvarez
- Laboratorio
de Fisicoquímica Biológica, Facultad de
Ciencias, ‡Center for Free Radical and Biomedical Research, §Departamento de Bioquímica,
Facultad de Medicina, ∥Laboratorio de Enzimología, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Rafael Radi
- Laboratorio
de Fisicoquímica Biológica, Facultad de
Ciencias, ‡Center for Free Radical and Biomedical Research, §Departamento de Bioquímica,
Facultad de Medicina, ∥Laboratorio de Enzimología, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
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18
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Natarajan K, Abraham P, Kota R. Activation of the mitochondrial apoptotic pathway contributes to methotrexate-induced small intestinal injury in rats. Cell Biochem Funct 2017; 35:378-391. [DOI: 10.1002/cbf.3285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 04/12/2017] [Accepted: 07/07/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Kasthuri Natarajan
- Department of Biochemistry; Christian Medical College Campus; Vellore Tamil Nadu India
| | - Premila Abraham
- Department of Biochemistry; Christian Medical College Campus; Vellore Tamil Nadu India
| | - Rekha Kota
- Department of Pathology; Madha Medical College Thandalam; Chennai Tamil Nadu India
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19
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Batthyány C, Bartesaghi S, Mastrogiovanni M, Lima A, Demicheli V, Radi R. Tyrosine-Nitrated Proteins: Proteomic and Bioanalytical Aspects. Antioxid Redox Signal 2017; 26:313-328. [PMID: 27324931 PMCID: PMC5326983 DOI: 10.1089/ars.2016.6787] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
SIGNIFICANCE "Nitroproteomic" is under active development, as 3-nitrotyrosine in proteins constitutes a footprint left by the reactions of nitric oxide-derived oxidants that are usually associated to oxidative stress conditions. Moreover, protein tyrosine nitration can cause structural and functional changes, which may be of pathophysiological relevance for human disease conditions. Biological protein tyrosine nitration is a free radical process involving the intermediacy of tyrosyl radicals; in spite of being a nonenzymatic process, nitration is selectively directed toward a limited subset of tyrosine residues. Precise identification and quantitation of 3-nitrotyrosine in proteins has represented a "tour de force" for researchers. Recent Advances: A small number of proteins are preferential targets of nitration (usually less than 100 proteins per proteome), contrasting with the large number of proteins modified by other post-translational modifications such as phosphorylation, acetylation, and, notably, S-nitrosation. Proteomic approaches have revealed key features of tyrosine nitration both in vivo and in vitro, including selectivity, site specificity, and effects in protein structure and function. CRITICAL ISSUES Identification of 3-nitrotyrosine-containing proteins and mapping nitrated residues is challenging, due to low abundance of this oxidative modification in biological samples and its unfriendly behavior in mass spectrometry (MS)-based technologies, that is, MALDI, electrospray ionization, and collision-induced dissociation. FUTURE DIRECTIONS The use of (i) classical two-dimensional electrophoresis with immunochemical detection of nitrated proteins followed by protein ID by regular MS/MS in combination with (ii) immuno-enrichment of tyrosine-nitrated peptides and (iii) identification of nitrated peptides by a MIDAS™ experiment is arising as a potent methodology to unambiguously map and quantitate tyrosine-nitrated proteins in vivo. Antioxid. Redox Signal. 26, 313-328.
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Affiliation(s)
- Carlos Batthyány
- 1 Unidad de Bioquímica y Proteómica Analíticas, Institut Pasteur de Montevideo , Montevideo, Uruguay .,2 Departamento de Bioquímica, Facultad de Medicina, Universidad de la República , Montevideo, Uruguay .,3 Facultad de Medicina, Center for Free Radical and Biomedical Research , Universidad de la República, Montevideo, Uruguay
| | - Silvina Bartesaghi
- 3 Facultad de Medicina, Center for Free Radical and Biomedical Research , Universidad de la República, Montevideo, Uruguay .,4 Departamento de Educación Médica, Facultad de Medicina, Universidad de la República , Montevideo, Uruguay
| | - Mauricio Mastrogiovanni
- 2 Departamento de Bioquímica, Facultad de Medicina, Universidad de la República , Montevideo, Uruguay .,3 Facultad de Medicina, Center for Free Radical and Biomedical Research , Universidad de la República, Montevideo, Uruguay
| | - Analía Lima
- 1 Unidad de Bioquímica y Proteómica Analíticas, Institut Pasteur de Montevideo , Montevideo, Uruguay
| | - Verónica Demicheli
- 2 Departamento de Bioquímica, Facultad de Medicina, Universidad de la República , Montevideo, Uruguay .,3 Facultad de Medicina, Center for Free Radical and Biomedical Research , Universidad de la República, Montevideo, Uruguay
| | - Rafael Radi
- 2 Departamento de Bioquímica, Facultad de Medicina, Universidad de la República , Montevideo, Uruguay .,3 Facultad de Medicina, Center for Free Radical and Biomedical Research , Universidad de la República, Montevideo, Uruguay
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20
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Adav SS, Sze SK. Insight of brain degenerative protein modifications in the pathology of neurodegeneration and dementia by proteomic profiling. Mol Brain 2016; 9:92. [PMID: 27809929 PMCID: PMC5094070 DOI: 10.1186/s13041-016-0272-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 10/16/2016] [Indexed: 02/06/2023] Open
Abstract
Dementia is a syndrome associated with a wide range of clinical features including progressive cognitive decline and patient inability to self-care. Due to rapidly increasing prevalence in aging society, dementia now confers a major economic, social, and healthcare burden throughout the world, and has therefore been identified as a public health priority by the World Health Organization. Previous studies have established dementia as a 'proteinopathy' caused by detrimental changes in brain protein structure and function that promote misfolding, aggregation, and deposition as insoluble amyloid plaques. Despite clear evidence that pathological cognitive decline is associated with degenerative protein modifications (DPMs) arising from spontaneous chemical modifications to amino acid side chains, the molecular mechanisms that promote brain DPMs formation remain poorly understood. However, the technical challenges associated with DPM analysis have recently become tractable due to powerful new proteomic techniques that facilitate detailed analysis of brain tissue damage over time. Recent studies have identified that neurodegenerative diseases are associated with the dysregulation of critical repair enzymes, as well as the misfolding, aggregation and accumulation of modified brain proteins. Future studies will further elucidate the mechanisms underlying dementia pathogenesis via the quantitative profiling of the human brain proteome and associated DPMs in distinct phases and subtypes of disease. This review summarizes recent developments in quantitative proteomic technologies, describes how these techniques have been applied to the study of dementia-linked changes in brain protein structure and function, and briefly outlines how these findings might be translated into novel clinical applications for dementia patients. In this review, only spontaneous protein modifications such as deamidation, oxidation, nitration glycation and carbamylation are reviewed and discussed.
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Affiliation(s)
- Sunil S. Adav
- Division of Structural Biology and Biochemistry, School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551 Singapore
| | - Siu Kwan Sze
- Division of Structural Biology and Biochemistry, School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551 Singapore
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21
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Niederhafner P, Šafařík M, Brichtová E, Šebestík J. Rapid acidolysis of benzyl group as a suitable approach for syntheses of peptides naturally produced by oxidative stress and containing 3-nitrotyrosine. Amino Acids 2016; 48:1087-1098. [PMID: 26767371 DOI: 10.1007/s00726-015-2163-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 12/24/2015] [Indexed: 12/13/2022]
Abstract
3-Nitrotyrosine (Nit) belongs to products of oxidative stress and could probably influence conformation of neurodegenerative proteins. Syntheses of peptides require availability of suitable synthon for introduction of Nit residue. Common phenolic protection groups are more acid labile, when they are attached to Nit residue. We have found that Fmoc-Nit(Bn)-OH is a good building block for syntheses of Nit containing peptides by Fmoc/tBu strategy. Interestingly, the peptides containing multiple Nit residues can be available solely by use of Fmoc-Nit(Bn)-OH synthon. Bn is removed rapidly with ca 80 % trifluoroacetic acid in dark. The cleavage of Bn from Fmoc-Nit(Bn)-OH proceeds via pseudo-first order mechanism with activation barrier 32 kcal mol(-1) and rate k = 15.3 s(-1) at 20 °C. This rate is more than 2,000,000 times faster than that for cleavage of benzyl from Tyr(Bn).
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Affiliation(s)
- Petr Niederhafner
- Department of Chemistry of Natural Compounds, Faculty of Food and Biochemical Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28, Prague 6, Czech Republic.,Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic
| | - Martin Šafařík
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic
| | - Eva Brichtová
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic
| | - Jaroslav Šebestík
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Flemingovo náměstí 2, 16610, Prague 6, Czech Republic.
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22
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Nuriel T, Whitehouse J, Ma Y, Mercer EJ, Brown N, Gross SS. ANSID: A Solid-Phase Proteomic Approach for Identification and Relative Quantification of Aromatic Nitration Sites. Front Chem 2016; 3:70. [PMID: 26779476 PMCID: PMC4703760 DOI: 10.3389/fchem.2015.00070] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 12/11/2015] [Indexed: 12/21/2022] Open
Abstract
Nitration of tyrosine and other aromatic amino acid residues in proteins occurs in the setting of inflammatory, neurodegenerative, and cardiovascular diseases—importantly, this modification has been implicated in the pathogenesis of diverse diseases and the physiological process of aging. To understand the biological consequences of aromatic nitration in both health and disease, it is critical to molecularly identify the proteins that undergo nitration, specify their cognate modification sites and quantify their extent of nitration. To date, unbiased identification of nitrated proteins has often involved painstaking 2D-gel electrophoresis followed by Western Blotting with an anti-nitrotyrosine antibody for detection. Apart from being relatively slow and laborious, this method suffers from limited coverage, the potential for false-positive identifications, and failure to reveal specific amino acid modification sites. To overcome these shortcomings, we have developed a solid-phase, chemical-capture approach for unbiased and high-throughput discovery of nitrotyrosine and nitrotryptophan sites in proteins. Utilizing this method, we have successfully identified several endogenously nitrated proteins in rat brain and a total of 244 nitrated peptides from 145 proteins following in vitro exposure of rat brain homogenates to the nitrating agent peroxynitrite (1 mM). As expected, Tyr residues constituted the great majority of peroxynitrite-mediated protein nitration sites; however, we were surprised to discover several brain proteins that contain nitrated Trp residues. By incorporating a stable-isotope labeling step, this new Aromatic Nitration Site IDentification (ANSID) method was also adapted for relative quantification of nitration site abundances in proteins. Application of the ANSID method offers great potential to advance our understanding of the role of protein nitration in disease pathogenesis and normal physiology.
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Affiliation(s)
- Tal Nuriel
- Department of Pharmacology, Weill Cornell Medical CollegeNew York, NY, USA; Department of Pathology and Cell Biology, Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Columbia University Medical CollegeNew York, NY, USA
| | - Julia Whitehouse
- Department of Pharmacology, Weill Cornell Medical College New York, NY, USA
| | - Yuliang Ma
- Department of Pharmacology, Weill Cornell Medical College New York, NY, USA
| | - Emily J Mercer
- Department of Pharmacology, Weill Cornell Medical CollegeNew York, NY, USA; Department of Surgery, Weill Cornell Medical CollegeNew York, NY, USA
| | - Neil Brown
- Department of Pharmacology, Weill Cornell Medical College New York, NY, USA
| | - Steven S Gross
- Department of Pharmacology, Weill Cornell Medical College New York, NY, USA
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23
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Spagnuolo MS, Mollica MP, Maresca B, Cavaliere G, Cefaliello C, Trinchese G, Scudiero R, Crispino M, Cigliano L. High Fat Diet and Inflammation - Modulation of Haptoglobin Level in Rat Brain. Front Cell Neurosci 2015; 9:479. [PMID: 26696835 PMCID: PMC4678199 DOI: 10.3389/fncel.2015.00479] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Accepted: 11/26/2015] [Indexed: 01/07/2023] Open
Abstract
Obesity and dietary fats are well known risk factors for the pathogenesis of neurodegenerative diseases. The analysis of specific markers, whose brain level can be affected by diet, might contribute to unveil the intersection between inflammation/obesity and neurodegeneration. Haptoglobin (Hpt) is an acute phase protein, which acts as antioxidant by binding free haemoglobin (Hb), thus neutralizing its pro-oxidative action. We previously demonstrated that Hpt plays critical functions in brain, modulating cholesterol trafficking in neuroblastoma cell lines, beta-amyloid (Aβ) uptake by astrocyte, and limiting Aβ toxicity on these cells. A major aim of this study was to evaluate whether a long term (12 or 24 weeks) high-fat diet (HFD) influences Hpt and Hb expression in rat hippocampus. We also assessed the development of obesity-induced inflammation by measuring hippocampal level of TNF-alpha, and the extent of protein oxidation by titrating nitro-tyrosine (N-Tyr). Hpt concentration was lower (p < 0.001) in hippocampus of HFD rats than in control animals, both in the 12 and in the 24 weeks fed groups. HFD was also associated in hippocampus with the increase of Hb level (p < 0.01), inflammation and protein oxidative modification, as evidenced by the increase in the concentration of TNF-alpha and nitro-tyrosine. In fact, TNF-alpha concentration was higher in rats receiving HFD for 12 (p < 0.01) or 24 weeks (p < 0.001) compared to those receiving the control diet. N-Tyr concentration was more elevated in hippocampus of HFD than in control rats in both 12 weeks (p = 0.04) and 24 weeks groups (p = 0.01), and a positive correlation between Hb and N-Tyr concentration was found in each group. Finally, we found that the treatment of the human glioblastoma-astrocytoma cell line U-87 MG with cholesterol and fatty acids, such as palmitic and linoleic acid, significantly impairs (p < 0.001) Hpt secretion in the extracellular compartment. We hypothesize that the HFD-dependent decrease of Hpt in hippocampus, as associated with Hb increase, might enhance the oxidative stress induced by free Hb. Altogether our data, identifying Hpt as a molecule modulated in the brain by dietary fats, may represent one of the first steps in the comprehension of the molecular mechanisms underlying the diet-related effects in the nervous system.
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Affiliation(s)
- Maria Stefania Spagnuolo
- Laboratory of Animal Physiology, Department of Bio-Agrofood Science, Institute for Animal Production System in Mediterranean Environment, National Research Council Naples, Italy
| | | | | | - Gina Cavaliere
- Department of Biology, University of Naples Federico II Naples, Italy
| | | | | | - Rosaria Scudiero
- Department of Biology, University of Naples Federico II Naples, Italy
| | - Marianna Crispino
- Department of Biology, University of Naples Federico II Naples, Italy
| | - Luisa Cigliano
- Department of Biology, University of Naples Federico II Naples, Italy
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Cassina A, Silveira P, Cantu L, Montes JM, Radi R, Sapiro R. Defective Human Sperm Cells Are Associated with Mitochondrial Dysfunction and Oxidant Production1. Biol Reprod 2015; 93:119. [DOI: 10.1095/biolreprod.115.130989] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Accepted: 10/06/2015] [Indexed: 01/02/2023] Open
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25
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Quan Q, Szeto SSW, Law HCH, Zhang Z, Wang Y, Chu IK. Fully Automated Multidimensional Reversed-Phase Liquid Chromatography with Tandem Anion/Cation Exchange Columns for Simultaneous Global Endogenous Tyrosine Nitration Detection, Integral Membrane Protein Characterization, and Quantitative Proteomics Mapping in Cerebral Infarcts. Anal Chem 2015; 87:10015-24. [DOI: 10.1021/acs.analchem.5b02619] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Quan Quan
- Department
of Chemistry, The University of Hong Kong, Hong Kong 999077, China
| | - Samuel S. W. Szeto
- Department
of Chemistry, The University of Hong Kong, Hong Kong 999077, China
| | - Henry C. H. Law
- Department
of Chemistry, The University of Hong Kong, Hong Kong 999077, China
| | - Zaijun Zhang
- Institute
of New Drug Research and Guangdong Province Key Laboratory of Pharmacodynamic
Constituents of Traditional Chinese Medicine, College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, China
| | - Yuqiang Wang
- Institute
of New Drug Research and Guangdong Province Key Laboratory of Pharmacodynamic
Constituents of Traditional Chinese Medicine, College of Pharmacy, Jinan University, Guangzhou, Guangdong 510632, China
| | - Ivan K. Chu
- Department
of Chemistry, The University of Hong Kong, Hong Kong 999077, China
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Abstract
Within living cells, mitochondria are considered relevant sources of reactive oxygen species (ROS) and are exposed to reactive nitrogen species (RNS). During the last decade, accumulating evidence suggests that mitochondrial (dys)function, ROS/RNS levels, and aberrations in mitochondrial morphology are interconnected, albeit in a cell- and context-dependent manner. Here it is hypothesized that ROS and RNS are involved in the short-term regulation of mitochondrial morphology and function via non-transcriptional pathways. We review the evidence for such a mechanism and propose that it allows homeostatic control of mitochondrial function and morphology by redox signaling.
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Affiliation(s)
- Peter H G M Willems
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6500HB Nijmegen, The Netherlands
| | - Rodrigue Rossignol
- University of Bordeaux, Maladies Rares: Génétique et Métabolisme (MRGM), 330000 Bordeaux, France
| | - Cindy E J Dieteren
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6500HB Nijmegen, The Netherlands
| | - Michael P Murphy
- MRC Mitochondrial Biology Unit, Wellcome Trust/MRC Building, Cambridge CB2 0XY, UK
| | - Werner J H Koopman
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6500HB Nijmegen, The Netherlands.
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Zhan X, Wang X, Desiderio DM. Mass spectrometry analysis of nitrotyrosine-containing proteins. MASS SPECTROMETRY REVIEWS 2015; 34:423-448. [PMID: 24318073 DOI: 10.1002/mas.21413] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2013] [Revised: 09/03/2013] [Accepted: 09/03/2013] [Indexed: 06/02/2023]
Abstract
Oxidative stress plays important roles in a wide range of diseases such as cancer, inflammatory disease, neurodegenerative disorders, etc. Tyrosine nitration in a protein is a chemically stable oxidative modification, and a marker of oxidative injuries. Mass spectrometry (MS) is a key technique to identify nitrotyrosine-containing proteins and nitrotyrosine sites in endogenous and synthetic nitroproteins and nitropeptides. However, in vivo nitrotyrosine-containing proteins occur with extreme low-abundance to severely challenge the use of MS to identify in vivo nitroproteins and nitrotyrosine sites. A preferential enrichment of nitroproteins and/or nitropeptides is necessary before MS analysis. Current enrichment methods include immuno-affinity techniques, chemical derivation of the nitro group plus target isolations, followed with tandem mass spectrometry analysis. This article reviews the MS techniques and pertinent before-MS enrichment techniques for the identification of nitrotyrosine-containing proteins. This article reviews future trends in the field of nitroproteomics, including quantitative nitroproteomics, systems biological networks of nitroproteins, and structural biology study of tyrosine nitration to completely clarify the biological functions of tyrosine nitration.
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Affiliation(s)
- Xianquan Zhan
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, P.R. China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, P.R. China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, P.R. China
- The State Key Laboratory of Medical Genetics, Central South University, 88 Xiangya Road, Changsha, Hunan, 410008, P.R. China
| | - Xiaowei Wang
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, P.R. China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, P.R. China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan, 410008, P.R. China
| | - Dominic M Desiderio
- The Charles B. Stout Neuroscience Mass Spectrometry Laboratory, Department of Neurology, College of Medicine, University of Tennessee Health Science Center, 847 Monroe Avenue, Memphis, Tennessee, 38163
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Verrastro I, Pasha S, Jensen KT, Pitt AR, Spickett CM. Mass spectrometry-based methods for identifying oxidized proteins in disease: advances and challenges. Biomolecules 2015; 5:378-411. [PMID: 25874603 PMCID: PMC4496678 DOI: 10.3390/biom5020378] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 03/20/2015] [Accepted: 03/23/2015] [Indexed: 01/02/2023] Open
Abstract
Many inflammatory diseases have an oxidative aetiology, which leads to oxidative damage to biomolecules, including proteins. It is now increasingly recognized that oxidative post-translational modifications (oxPTMs) of proteins affect cell signalling and behaviour, and can contribute to pathology. Moreover, oxidized proteins have potential as biomarkers for inflammatory diseases. Although many assays for generic protein oxidation and breakdown products of protein oxidation are available, only advanced tandem mass spectrometry approaches have the power to localize specific oxPTMs in identified proteins. While much work has been carried out using untargeted or discovery mass spectrometry approaches, identification of oxPTMs in disease has benefitted from the development of sophisticated targeted or semi-targeted scanning routines, combined with chemical labeling and enrichment approaches. Nevertheless, many potential pitfalls exist which can result in incorrect identifications. This review explains the limitations, advantages and challenges of all of these approaches to detecting oxidatively modified proteins, and provides an update on recent literature in which they have been used to detect and quantify protein oxidation in disease.
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Affiliation(s)
- Ivan Verrastro
- School of Life and Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET, UK.
| | - Sabah Pasha
- School of Life and Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET, UK.
| | - Karina Tveen Jensen
- School of Life and Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET, UK.
| | - Andrew R Pitt
- School of Life and Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET, UK.
| | - Corinne M Spickett
- School of Life and Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET, UK.
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Houée-Lévin C, Bobrowski K, Horakova L, Karademir B, Schöneich C, Davies MJ, Spickett CM. Exploring oxidative modifications of tyrosine: An update on mechanisms of formation, advances in analysis and biological consequences. Free Radic Res 2015; 49:347-73. [DOI: 10.3109/10715762.2015.1007968] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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30
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Yeo WS, Kim YJ, Kabir MH, Kang JW, Ahsan-Ul-Bari M, Kim KP. Mass spectrometric analysis of protein tyrosine nitration in aging and neurodegenerative diseases. MASS SPECTROMETRY REVIEWS 2015; 34:166-183. [PMID: 24889964 DOI: 10.1002/mas.21429] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
This review highlights the significance of protein tyrosine nitration (PTN) in signal transduction pathways, the progress achieved in analytical methods, and the implication of nitration in the cellular pathophysiology of aging and age-related neurodegenerative diseases. Although mass spectrometry of nitrated peptides has become a powerful tool for the characterization of nitrated peptides, the low stoichiometry of this modification clearly necessitates the use of affinity chromatography to enrich modified peptides. Analysis of nitropeptides involves identification of endogenous, intact modification as well as chemical conversion of the nitro group to a chemically reactive amine group and further modifications that enable affinity capture and enhance detectability by altering molecular properties. In this review, we focus on the recent progress in chemical derivatization of nitropeptides for enrichment and mass analysis, and for detection and quantification using various analytical tools. PTN participates in physiological processes, such as aging and neurodegenerative diseases. Accumulation of 3-nitrotyrosine has been found to occur during the aging process; this was identified through mass spectrometry. Further, there are several studies implicating the presence of nitrated tyrosine in age-related diseases such as Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis.
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Affiliation(s)
- Woon-Seok Yeo
- Department of Bioscience and Biotechnology, Bio/Molecular Informatics Center, Konkuk University, Seoul, 143-701, Republic of Korea
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31
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Hu S, Liu H, Ha Y, Luo X, Motamedi M, Gupta MP, Ma JX, Tilton RG, Zhang W. Posttranslational modification of Sirt6 activity by peroxynitrite. Free Radic Biol Med 2015; 79:176-85. [PMID: 25476852 PMCID: PMC4339438 DOI: 10.1016/j.freeradbiomed.2014.11.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Revised: 10/31/2014] [Accepted: 11/10/2014] [Indexed: 11/24/2022]
Abstract
The mammalian sirtuin 6 (Sirt6) is a site-specific histone deacetylase that regulates chromatin structure and many fundamental biological processes. It inhibits endothelial cell senescence and inflammation, prevents development of cardiac hypertrophy and heart failure, modulates glucose metabolism, and represses tumor growth. The basic molecular mechanisms underlying regulation of Sirt6 enzymatic function are largely unknown. Here we hypothesized that Sirt6 function can be regulated via posttranslational modification, focusing on the role of peroxynitrite, one of the major reactive nitrogen species formed by excessive nitric oxide and superoxide generated during disease processes. We found that incubation of purified recombinant Sirt6 protein with 3-morpholinosydnonimine (SIN-1; a peroxynitrite donor that generates nitric oxide and superoxide simultaneously) increased Sirt6 tyrosine nitration and decreased its intrinsic catalytic activity. Similar results were observed in SIN-1-treated Sirt6, which was overexpressed in HEK293 cells, and in endogenous Sirt6 when human retinal microvascular endothelial cells were treated with SIN-1. To further investigate whether Sirt6 nitration occurs under pathological conditions, we determined Sirt6 nitration and activity in retina using a model of endotoxin-induced retinal inflammation. Our data showed that Sirt6 nitration was increased, whereas its activity was decreased, in this model. With mass spectrometry, we identified that tyrosine 257 in Sirt6 was nitrated after SIN-1 treatment. Mutation of tyrosine 257 to phenylalanine caused loss of Sirt6 activity and abolished SIN-1-induced nitration and decrease in its activity. Mass spectrometry analysis also revealed oxidation of methionine and tryptophan in Sirt6 after SIN-1 treatment. Our results demonstrate a novel regulatory mechanism controlling Sirt6 activity through reactive nitrogen species-mediated posttranslational modification under oxidative and nitrosative stress.
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Affiliation(s)
- Shuqun Hu
- Institute of Emergency Rescue Medicine, Xuzhou Medical College, Xuzhou, Jiangsu, China; Department of Ophthalmology and Visual Sciences, The University of Texas Medical Branch, Galveston, TX 77555-0144, USA
| | - Hua Liu
- Center for Biomedical Engineering, The University of Texas Medical Branch, Galveston, TX 77555-0144, USA
| | - Yonju Ha
- Department of Ophthalmology and Visual Sciences, The University of Texas Medical Branch, Galveston, TX 77555-0144, USA
| | - Xuemei Luo
- Biomolecular Resource Facility, The University of Texas Medical Branch, Galveston, TX 77555-0144, USA
| | - Massoud Motamedi
- Department of Ophthalmology and Visual Sciences, The University of Texas Medical Branch, Galveston, TX 77555-0144, USA; Center for Biomedical Engineering, The University of Texas Medical Branch, Galveston, TX 77555-0144, USA
| | - Mahesh P Gupta
- Department of Surgery, Committee on Molecular and Cellular Physiology, University of Chicago, Chicago, IL 60637, USA
| | - Jian-Xing Ma
- Department of Physiology, Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK 731 04, USA
| | - Ronald G Tilton
- Department of Ophthalmology and Visual Sciences, The University of Texas Medical Branch, Galveston, TX 77555-0144, USA; Internal Medicine, Division of Endocrinology and Stark Diabetes Center, and The University of Texas Medical Branch, Galveston, TX 77555-0144, USA
| | - Wenbo Zhang
- Department of Ophthalmology and Visual Sciences, The University of Texas Medical Branch, Galveston, TX 77555-0144, USA; Center for Biomedical Engineering, The University of Texas Medical Branch, Galveston, TX 77555-0144, USA; Department of Neuroscience and Cell Biology, The University of Texas Medical Branch, Galveston, TX 77555-0144, USA.
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32
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Kang JW, Lee NY, Cho KC, Lee MY, Choi DY, Park SH, Kim KP. Analysis of nitrated proteins inSaccharomyces cerevisiaeinvolved in mating signal transduction. Proteomics 2015; 15:580-90. [DOI: 10.1002/pmic.201400172] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Revised: 07/17/2014] [Accepted: 09/05/2014] [Indexed: 12/29/2022]
Affiliation(s)
- Jeong Won Kang
- Department of Applied Chemistry; Kyung Hee University; Yongin-si Gyeonggi-do Republic of Korea
| | - Na Young Lee
- Department of Biological Sciences and Research Center for Functional Cellulomics; Seoul National University; Gwanak-gu Seoul Republic of Korea
| | - Kyung-Cho Cho
- Department of Applied Chemistry; Kyung Hee University; Yongin-si Gyeonggi-do Republic of Korea
| | - Min Young Lee
- Department of Applied Chemistry; Kyung Hee University; Yongin-si Gyeonggi-do Republic of Korea
| | - Do-Young Choi
- Department of Applied Chemistry; Kyung Hee University; Yongin-si Gyeonggi-do Republic of Korea
| | - Sang-Hyun Park
- Department of Biological Sciences and Research Center for Functional Cellulomics; Seoul National University; Gwanak-gu Seoul Republic of Korea
| | - Kwang Pyo Kim
- Department of Applied Chemistry; Kyung Hee University; Yongin-si Gyeonggi-do Republic of Korea
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Uncovering Neurodegenerative Protein Modifications via Proteomic Profiling. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2015; 121:87-116. [DOI: 10.1016/bs.irn.2015.06.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Ser70 phosphorylation of Bcl-2 by selective tyrosine nitration of PP2A-B56δ stabilizes its antiapoptotic activity. Blood 2014; 124:2223-34. [DOI: 10.1182/blood-2014-03-563296] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Key Points
O2− modifies B56δ at Y289 to block the PP2A holoenzyme assembly. This results in S70 Bcl-2 phosphorylation and promotes tumor chemoresistance. Primary lymphomas with low SOD1 have high B56δ tyrosine nitration and S70pBcl-2.
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35
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Panja C, Ghosh S. Detection of in vivo protein tyrosine nitration in petite mutant of Saccharomyces cerevisiae: consequence of its formation and significance. Biochem Biophys Res Commun 2014; 451:529-34. [PMID: 25111815 DOI: 10.1016/j.bbrc.2014.08.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Accepted: 08/02/2014] [Indexed: 10/24/2022]
Abstract
Protein tyrosine nitration (PTN) is a selective post-translational modification often associated with physiological and pathophysiological conditions. Tyrosine is modified in the 3-position of the phenolic ring through the addition of a nitro group. In our previous study we first time showed that PTN occurs in vivo in Saccharomyces cerevisiae. In the present study we observed occurrence of PTN in petite mutant of S. cerevisiae which indicated that PTN is not absolutely dependent on functional mitochondria. Nitration of proteins in S. cerevisiae was also first time confirmed in immunohistochemical study using spheroplasts. Using proteosomal mutants Rpn10Δ, Pre9Δ, we first time showed that the fate of protein nitration in S. cerevisiae was not dependent on proteosomal clearing and probably played vital role in modulating signaling cascades. From our study it is evident that protein tyrosine nitration is a normal physiological event of S. cerevisiae.
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Affiliation(s)
- Chiranjit Panja
- Department of Biochemistry, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700 019, West Bengal, India
| | - Sanjay Ghosh
- Department of Biochemistry, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700 019, West Bengal, India.
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Lee SJ, Kang JW, Cho KC, Kabir MH, Kim B, Yim YH, Park HS, Yi EC, Kim KP. Mass Spectrometry Analysis of In Vitro Nitration of Carbonic Anhydrase II. B KOREAN CHEM SOC 2014. [DOI: 10.5012/bkcs.2014.35.3.709] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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37
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Selective chemoprecipitation to enrich nitropeptides from complex proteomes for mass-spectrometric analysis. Nat Protoc 2014; 9:882-95. [PMID: 24651500 DOI: 10.1038/nprot.2014.052] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Post-translational protein nitration has attracted interest owing to its involvement in cellular signaling, effects on protein function and potential as biomarker of nitroxidative stress. We describe a procedure for enriching nitropeptides for mass spectrometry (MS)-based proteomics that is a simple and reliable alternative to immunoaffinity-based methods. The starting material for this procedure is a proteolytic digest. The peptides are reacted with formaldehyde and sodium cyanoborohydride to dimethylate all the N-terminal and side chain amino groups. Sodium dithionite is added subsequently to reduce the nitro groups to amines; in theory, the only amino groups present will have originally been nitro groups. The peptide sample is then applied to a solid-phase active ester reagent (SPAER), and those peptides with amino groups will be selectively and covalently captured. Release of the peptides on hydrolysis with trifluoroacetic acid (TFA) results in peptides that have a 4-formyl-benzamido group where the nitro group used to be. In qualitative setups, the procedure can be used to identify proteins modified by reactive nitrogen species and to determine the specific sites of their nitration. Quantitative measurements can be performed by stable-isotope labeling of the peptides in the reductive dimethylation step. Preparation of the SPAER takes about 1 d. Enrichment of nitropeptides requires about 2 d, and sample preparations need 1-30 h, depending on the experimental design. LC-MS/MS assays take from 4 h to several days and data processing can be done in 1-7 d.
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Abstract
The scope of the current paper is to review existing and potential applications of proteomic analysis to aging research. The focus will lie on the unique opportunities of high-throughput studies for uncovering specific alterations in protein expression, protein complexes or protein modifications caused by biological aging. The result of such studies will outline aging phenotypes and potentially indicate pathways involved in the pathogenesis of age-associated disfunctions. Specific attention is paid to the illustrations of successful applications of proteomic technologies and potential applications of new proteomic concepts to biogerontological studies.
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Affiliation(s)
- Victor S Sharov
- University of Kansas, Pharmaceutical Chemistry Department, Lawrence, KS 66047, USA.
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Pienaar IS, Dexter DT, Burkhard PR. Mitochondrial proteomics as a selective tool for unraveling Parkinson’s disease pathogenesis. Expert Rev Proteomics 2014; 7:205-26. [DOI: 10.1586/epr.10.8] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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40
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Abstract
SIGNIFICANCE The conversion of protein-bound Tyr residues to 3-nitrotyrosine (3NY) can occur during nitrative stress and has been correlated to aging and many disease states. Proteomic analysis of this post-translational modification, using mass spectrometry-based techniques, is crucial for understanding its potential role in pathological and physiological processes. RECENT ADVANCES To overcome some of the disadvantages inherent to well-established nitroproteomic methods using anti-3NY antibodies and gel-based separations, methods involving multidimensional chromatography, precursor ion scanning, and/or chemical derivatization have emerged for both identification and quantitation of protein nitration sites. A few of these methods have successfully detected endogenous 3NY modifications from biological samples. CRITICAL ISSUES While model systems often show promising results, identification of endogenous 3NY modifications remains largely elusive. The frequently low abundance of nitrated proteins in vivo, even under inflammatory conditions, is especially challenging, and sample loss due to derivatization and cleaning may become significant. FUTURE DIRECTIONS Continued efforts to avoid interference from non-nitrated peptides without sacrificing recovery of nitrated peptides are needed. Quantitative methods are emerging and are crucial for identifying endogenous modifications that may have significant biological impacts.
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Affiliation(s)
- Maria B Feeney
- Department of Pharmaceutical Chemistry, The University of Kansas , Lawrence, Kansas
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Proteomic analysis of endogenous nitrotryptophan-containing proteins in rat hippocampus and cerebellum. Biosci Rep 2013; 32:521-30. [PMID: 22697601 PMCID: PMC3475453 DOI: 10.1042/bsr20120032] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Nitration of tryptophan residues is a novel post-translational modification. In the present study, we examined whether NO2Trp (nitrotryptophan)-containing proteins are produced in the hippocampus and cerebellum of the adult rat under physiological conditions in vivo. Using Western blot analysis with anti-6-NO2Trp-specific antibody, we found many similar immunoreactive spots in the protein extracts from both regions. These spots were subsequently subjected to trypsin digestion and LC-ESI-MS/MS (LC-electrospray ionization-tandem MS) analysis. We identified several cytoskeletal proteins and glycolytic enzymes as NO2Trp-containing proteins and determined the position of nitrated tryptophan residues with significant ion score levels (P<0.05) in several proteins in both regions. We also observed that the total amount of NO2Trp-containing proteins in the cerebellum was significantly greater than that in the hippocampus (P<0.05). Moreover, IP (immunoprecipitation) assays using anti-aldolase C antibody showed that the relative intensity of immunostaining for NO2Trp over aldolase C was much higher in cerebellum than in hippocampus. The amounts of nNOS (neuronal nitric oxide synthase) and eNOS (endothelial nitric oxide synthase) were much greater in cerebellum than in hippocampus. This is the first evidence of several specific sites of nitrated tryptophan in proteins under physiological conditions in vivo.
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42
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Tyrosine nitration provokes inhibition of sunflower carbonic anhydrase (β-CA) activity under high temperature stress. Nitric Oxide 2013; 29:30-3. [DOI: 10.1016/j.niox.2012.12.003] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2012] [Revised: 10/18/2012] [Accepted: 12/14/2012] [Indexed: 11/17/2022]
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Cheng S, Lian B, Liang J, Shi T, Xie L, Zhao YL. Site selectivity for protein tyrosine nitration: insights from features of structure and topological network. MOLECULAR BIOSYSTEMS 2013; 9:2860-8. [DOI: 10.1039/c3mb70260j] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Valez V, Cassina A, Batinic-Haberle I, Kalyanaraman B, Ferrer-Sueta G, Radi R. Peroxynitrite formation in nitric oxide-exposed submitochondrial particles: detection, oxidative damage and catalytic removal by Mn-porphyrins. Arch Biochem Biophys 2013; 529:45-54. [PMID: 23142682 PMCID: PMC3534903 DOI: 10.1016/j.abb.2012.10.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2012] [Revised: 10/22/2012] [Accepted: 10/25/2012] [Indexed: 10/27/2022]
Abstract
Peroxynitrite (ONOO(-)) formation in mitochondria may be favored due to the constant supply of superoxide radical (O(2)(∙-)) by the electron transport chain plus the facile diffusion of nitric oxide ((∙)NO) to this organelle. Herein, a model system of submitochondrial particles (SMP) in the presence of succinate plus the respiratory inhibitor antimycin A (to increase O(2)(∙-) rates) and the (∙)NO-donor NOC-7 was studied to directly establish and quantitate peroxynitrite by a multiplicity of methods including chemiluminescence, fluorescence and immunochemical analysis. While all the tested probes revealed peroxynitrite at near stoichiometric levels with respect to its precursor radicals, coumarin boronic acid (a probe that directly reacts with peroxynitrite) had the more straightforward oxidation profile from O(2)(∙-)-forming SMP as a function of the (∙)NO flux. Interestingly, immunospintrapping studies verified protein radical generation in SMP by peroxynitrite. Substrate-supplemented SMP also reduced Mn(III)porphyrins (MnP) to Mn(II)P under physiologically-relevant oxygen levels (3-30 μM); then, Mn(II)P were capable to reduce peroxynitrite and protect SMP from the inhibition of complex I-dependent oxygen consumption and protein radical formation and nitration of membranes. The data directly support the formation of peroxynitrite in mitochondria and demonstrate that MnP can undergo a catalytic redox cycle to neutralize peroxynitrite-dependent mitochondrial oxidative damage.
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Affiliation(s)
- Valeria Valez
- Center for Free Radical and Biomedical Research, Universidad de la República, Avda. General Flores 2125, Montevideo 11800, Uruguay
| | - Adriana Cassina
- Center for Free Radical and Biomedical Research, Universidad de la República, Avda. General Flores 2125, Montevideo 11800, Uruguay
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Avda. General Flores 2125, Montevideo 11800, Uruguay
| | - Ines Batinic-Haberle
- Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina
| | - Balaraman Kalyanaraman
- Biophysics Research Institute and Free Radical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
| | - Gerardo Ferrer-Sueta
- Center for Free Radical and Biomedical Research, Universidad de la República, Avda. General Flores 2125, Montevideo 11800, Uruguay
- Laboratorio de Fisicoquímica Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay
| | - Rafael Radi
- Center for Free Radical and Biomedical Research, Universidad de la República, Avda. General Flores 2125, Montevideo 11800, Uruguay
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Avda. General Flores 2125, Montevideo 11800, Uruguay
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Mallozzi C, D'Amore C, Camerini S, Macchia G, Crescenzi M, Petrucci TC, Di Stasi AMM. Phosphorylation and nitration of tyrosine residues affect functional properties of Synaptophysin and Dynamin I, two proteins involved in exo-endocytosis of synaptic vesicles. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2013; 1833:110-21. [DOI: 10.1016/j.bbamcr.2012.10.022] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2012] [Revised: 10/08/2012] [Accepted: 10/21/2012] [Indexed: 12/14/2022]
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Jarmuła A, Rode W. Computational study of the effects of protein tyrosine nitrations on the catalytic activity of human thymidylate synthase. J Comput Aided Mol Des 2012; 27:45-66. [PMID: 23239172 DOI: 10.1007/s10822-012-9624-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2012] [Accepted: 12/06/2012] [Indexed: 11/25/2022]
Abstract
Tyrosine nitration is a widespread post-translational modification capable of affecting both the function and structure of the host protein molecule. Enzyme thymidylate synthase (TS), a homodimer, is a molecular target for anticancer therapy. Recently purified TS preparations, isolated from mammalian tissues, were found to be nitrated, suggesting this modification to appear endogenously in normal and tumor tissues. Moreover, human TS (hTS) nitration in vitro led to a by twofold lowered catalytic activity following nitration in average of 1 tyrosine residue per monomer (Dąbrowska-Maś et al. in Org Biomol Chem 10:323-331, 2012), with the modification identified by mass spectrometry at seven different sites (Y33, Y65, Y135, Y213, Y230, Y258 and Y301). In the present paper, combined computational approach, including molecular and essential dynamics and free energy computations, was used to predict the influence on the activity of hTS of nitration of each of the seven tyrosine residues. The simulations were based on the crystal structure of hTS ternary complex with dUMP and Tomudex (PDB code: 1I00), with the Tomudex molecule replaced by the molecule of TS cofactor analogue, tetrahydrofolate. The present results indicate that while with nitration of five out of seven residues (Y33, Y135, Y230, Y258 and Y301), single residue modification appears to have a strong reducing effect on the activity, with the remaining two, Y65 and Y213, no or a weaker influence is apparent. Taken together, these results demonstrate that tyrosine nitrations in the hTS enzyme show clear tendency to influence the structure and dynamics and, in turn, catalytic properties of the host enzyme. These effects are overall distance-dependent.
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Affiliation(s)
- Adam Jarmuła
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur St., 02-093 Warszawa, Poland.
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47
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Bachi A, Dalle-Donne I, Scaloni A. Redox Proteomics: Chemical Principles, Methodological Approaches and Biological/Biomedical Promises. Chem Rev 2012. [DOI: 10.1021/cr300073p] [Citation(s) in RCA: 189] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Angela Bachi
- Biological Mass Spectrometry Unit, San Raffaele Scientific Institute, 20132 Milan, Italy
| | | | - Andrea Scaloni
- Proteomics & Mass Spectrometry Laboratory, ISPAAM, National Research Council, 80147 Naples, Italy
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48
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Sharov V, Pal R, Dremina E, Michaelis E, Schöneich C. Fluorogenic tagging of protein 3-nitrotyrosine with 4-(aminomethyl)benzene sulfonate in tissues: a useful alternative to Immunohistochemistry for fluorescence microscopy imaging of protein nitration. Free Radic Biol Med 2012; 53:1877-85. [PMID: 22995636 PMCID: PMC3523807 DOI: 10.1016/j.freeradbiomed.2012.08.582] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2012] [Revised: 08/22/2012] [Accepted: 08/23/2012] [Indexed: 01/01/2023]
Abstract
Protein tyrosine nitration is a common biomarker of biological aging and diverse pathologies associated with the excessive formation of reactive oxygen and nitrogen species. Recently, we suggested a novel fluorogenic derivatization procedure for the detection of 3-nitrotyrosine (3-NT) using benzylamine derivatives to convert specifically protein- or peptide-bound 3-NT to a highly fluorescent benzoxazole product. In this study, we applied this procedure to fluorogenic derivatization of protein 3-NT in sections from adult rat cerebellum to: (i) test this method for imaging nitrated proteins in fixed brain tissue sections and (ii) compare the chemical approach to immunohistochemical labeling with anti-3-NT antibodies. Immunofluorescence analysis of cerebellar sections using anti-3-NT antibodies showed differential levels of immunostaining in the molecular, Purkinje, and granule cell layers of the cerebellar cortex; in agreement with previous reports, the Purkinje cells were most highly labeled. Importantly, fluorogenic derivatization reactions of cerebellar proteins with 4-(aminomethyl)benzene sulfonic acid (ABS) and K(3)Fe(CN)(6) at pH 9, after sodium dithionite reduction of 3-NT to 3-aminotyrosine, showed a very similar pattern of relative intensity of cell labeling and improved resolution compared with antibody labeling. Our data demonstrate that ABS derivatization may be either a useful alternative to or a complementary approach to immunolabeling in imaging protein nitration in cells and tissues, including under conditions of dual labeling with antibodies to cell proteins, thus allowing for cellular colocalization of nitrated proteins and any protein of interest.
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Affiliation(s)
- V.S. Sharov
- Department of Pharmaceutical Chemistry, University of Kansas, 2095 Constant Avenue, Lawrence, KS 66047, USA
| | - R. Pal
- Department of Pharmacology and Toxicology, University of Kansas, 2095 Constant Avenue, Lawrence, KS 66047, USA
| | - E.S. Dremina
- Department of Pharmaceutical Chemistry, University of Kansas, 2095 Constant Avenue, Lawrence, KS 66047, USA
| | - E.K. Michaelis
- Department of Pharmacology and Toxicology, University of Kansas, 2095 Constant Avenue, Lawrence, KS 66047, USA
| | - C. Schöneich
- Department of Pharmaceutical Chemistry, University of Kansas, 2095 Constant Avenue, Lawrence, KS 66047, USA
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Cannizzo ES, Clement CC, Morozova K, Valdor R, Kaushik S, Almeida LN, Follo C, Sahu R, Cuervo AM, Macian F, Santambrogio L. Age-related oxidative stress compromises endosomal proteostasis. Cell Rep 2012; 2:136-49. [PMID: 22840404 PMCID: PMC3408590 DOI: 10.1016/j.celrep.2012.06.005] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2011] [Revised: 04/23/2012] [Accepted: 06/06/2012] [Indexed: 10/28/2022] Open
Abstract
A hallmark of aging is an imbalance between production and clearance of reactive oxygen species and increased levels of oxidatively damaged biomolecules. Herein, we demonstrate that splenic and nodal antigen-presenting cells purified from aging mice accumulate oxidatively modified proteins with side-chain carbonylation, advanced glycation end products, and lipid peroxidation. Furthermore, we show that the endosomal accumulation of oxidatively modified proteins interferes with the efficient processing of exogenous antigens and degradation of macroautophagy-delivered proteins. In support of a causative role for oxidized products in the inefficient immune response, a decrease in oxidative stress improved the adaptive immune response to immunizing antigens. These findings underscore a previously unrecognized negative effect of age-dependent changes in cellular proteostasis on the immune response.
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Affiliation(s)
- Elvira S. Cannizzo
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Cristina C. Clement
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Kateryna Morozova
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Rut Valdor
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Susmita Kaushik
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Larissa N. Almeida
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Carlo Follo
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Ranjit Sahu
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Ana Maria Cuervo
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
- Institute for Aging Research, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Fernando Macian
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
- Institute for Aging Research, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Laura Santambrogio
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
- Institute for Aging Research, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
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50
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Robinson RAS, Evans AR. Enhanced Sample Multiplexing for Nitrotyrosine-Modified Proteins Using Combined Precursor Isotopic Labeling and Isobaric Tagging. Anal Chem 2012; 84:4677-86. [DOI: 10.1021/ac202000v] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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