1
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Wang T, Pang L, He M, Wang Z. Small-molecule inhibitors targeting apoptosis signal-regulated kinase 1. Eur J Med Chem 2023; 262:115889. [PMID: 37883895 DOI: 10.1016/j.ejmech.2023.115889] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/28/2023]
Abstract
Apoptosis signal regulated kinase 1 (ASK1, also known as MAP3K5) is a member of the mitogen activated protein kinase kinase kinase (MAP3K) family. Since its first isolation from a human macrophage library in 1996, its research has been ongoing for over 25 years. A large number of reports have revealed that ASK1, as a key activator of the p38 mitogen-activated protein kinase and c-Jun N-terminal kinase (JNK) signaling cascade, responds to various stressors, and its inhibitors have important potential value in the treatment of diseases such as inflammation, cancer, and the nervous system and so on. This review summarizes the recent development in this field, including the structure and signaling pathways of ASK1, with a particular focus on the structure-activity relationships, and the hit-to-lead optimization strategies.
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Affiliation(s)
- Tiantian Wang
- College of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, 330004, PR China; National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine, Jiangxi University of Chinese Medicine, Nanchang, 330006, PR China
| | - Lidan Pang
- College of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, 330004, PR China
| | - Mengni He
- College of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, 330004, PR China
| | - Zengtao Wang
- College of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, 330004, PR China.
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2
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Vahsen T, Brault A, Mourer T, Labbé S. A novel role of the fission yeast sulfiredoxin Srx1 in heme acquisition. Mol Microbiol 2023; 120:608-628. [PMID: 37644673 DOI: 10.1111/mmi.15146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/08/2023] [Accepted: 08/11/2023] [Indexed: 08/31/2023]
Abstract
The transporter Str3 promotes heme import in Schizosaccharomyces pombe cells that lack the heme receptor Shu1 and are deficient in heme biosynthesis. Under microaerobic conditions, the peroxiredoxin Tpx1 acts as a heme scavenger within the Str3-dependent pathway. Here, we show that Srx1, a sulfiredoxin known to interact with Tpx1, is essential for optimal growth in the presence of hemin. The expression of Srx1 is induced in response to low iron and repressed under iron repletion. Coimmunoprecipitation and bimolecular fluorescence complementation experiments show that Srx1 interacts with Str3. Although the interaction between Srx1 and Str3 is weakened, it is still observed in tpx1Δ mutant cells or when Str3 is coexpressed with a mutant form of Srx1 (mutD) that cannot bind Tpx1. Further analysis by absorbance spectroscopy and hemin-agarose pull-down assays confirms the binding of Srx1 to hemin, with an equilibrium constant value of 2.56 μM. To validate the Srx1-hemin association, we utilize a Srx1 mutant (mutH) that fails to interact with hemin. Notably, when Srx1 binds to hemin, it partially shields hemin from degradation caused by hydrogen peroxide. Collectively, these findings elucidate an additional function of the sulfiredoxin Srx1, beyond its conventional role in oxidative stress defense.
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Affiliation(s)
- Tobias Vahsen
- Département de Biochimie et de Génomique Fonctionnelle, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Ariane Brault
- Département de Biochimie et de Génomique Fonctionnelle, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Thierry Mourer
- Département de Biochimie et de Génomique Fonctionnelle, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Simon Labbé
- Département de Biochimie et de Génomique Fonctionnelle, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, Sherbrooke, Quebec, Canada
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3
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Mishra M, Jiang H, Wei Q. New insights on the differential interaction of sulfiredoxin with members of the peroxiredoxin family revealed by protein-protein docking and experimental studies. Eur J Pharmacol 2023; 954:175873. [PMID: 37353187 PMCID: PMC10426277 DOI: 10.1016/j.ejphar.2023.175873] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/11/2023] [Accepted: 06/20/2023] [Indexed: 06/25/2023]
Abstract
Sulfiredoxin (Srx) is the enzyme that restores the peroxidase activity of peroxiredoxins (Prxs) through catalyzing the reduction of hyperoxidized Prxs back to their active forms. This process involves protein-protein interaction in an enzyme-substrate binding manner. The integrity of the Srx-Prx axis contributes to the pathogenesis of various oxidative stress related human disorders including cancer, inflammation, cardiovascular and neurological diseases. The purpose of this study is to understand the structural and molecular biology of the Srx-Prx interaction, which may be of significance for prediction of target site for the novel drug-discovery. Homology modeling and protein-protein docking approaches were applied to examine the Srx-Prx interaction using online platforms including ITASSER, Phyre2, Swissmodel, AlphaFold, MZDOCK and ZDOCK. By in-silico studies, A 26-amino acid motif at the C-terminus of Prx1 was predicted to cause a steric hindrance for the kinetics of the Srx-Prx1 interaction. These predictions were tested in-vitro using purified recombinant proteins including Srx, full-length Prxs, and C-terminus deleted Prxs. We confirmed that deletion of the C-terminus of Prxs significantly enhanced its rate of association with Srx (i.e. >1000 fold increase in the ka of the Srx-Prx1 interaction) with minimal effect on the rate of dissociation (kd). Differential interaction of Srx with individual members of the Prx family was further examined in cultured cells. Taken together, these data add novel molecular and structural insights critical for the understanding of the biology of the Srx-Prx interaction that may be of value for the development of targeted therapy for human disorders.
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Affiliation(s)
- Murli Mishra
- Department of Toxicology and Cancer Biology, USA
| | - Hong Jiang
- Department of Toxicology and Cancer Biology, USA
| | - Qiou Wei
- Department of Toxicology and Cancer Biology, USA; Markey Cancer Center, University of Kentucky College of Medicine, Lexington, KY, 40536, USA.
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4
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Orrico F, Laurance S, Lopez AC, Lefevre SD, Thomson L, Möller MN, Ostuni MA. Oxidative Stress in Healthy and Pathological Red Blood Cells. Biomolecules 2023; 13:1262. [PMID: 37627327 PMCID: PMC10452114 DOI: 10.3390/biom13081262] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/11/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Red cell diseases encompass a group of inherited or acquired erythrocyte disorders that affect the structure, function, or production of red blood cells (RBCs). These disorders can lead to various clinical manifestations, including anemia, hemolysis, inflammation, and impaired oxygen-carrying capacity. Oxidative stress, characterized by an imbalance between the production of reactive oxygen species (ROS) and the antioxidant defense mechanisms, plays a significant role in the pathophysiology of red cell diseases. In this review, we discuss the most relevant oxidant species involved in RBC damage, the enzymatic and low molecular weight antioxidant systems that protect RBCs against oxidative injury, and finally, the role of oxidative stress in different red cell diseases, including sickle cell disease, glucose 6-phosphate dehydrogenase deficiency, and pyruvate kinase deficiency, highlighting the underlying mechanisms leading to pathological RBC phenotypes.
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Affiliation(s)
- Florencia Orrico
- Laboratorio de Fisicoquímica Biológica, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay; (F.O.); (A.C.L.); (M.N.M.)
- Laboratorio de Enzimología, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay;
- Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo 11800, Uruguay
| | - Sandrine Laurance
- Université Paris Cité and Université des Antilles, UMR_S1134, BIGR, Inserm, F-75014 Paris, France; (S.L.); (S.D.L.)
| | - Ana C. Lopez
- Laboratorio de Fisicoquímica Biológica, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay; (F.O.); (A.C.L.); (M.N.M.)
- Laboratorio de Enzimología, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay;
- Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo 11800, Uruguay
| | - Sophie D. Lefevre
- Université Paris Cité and Université des Antilles, UMR_S1134, BIGR, Inserm, F-75014 Paris, France; (S.L.); (S.D.L.)
| | - Leonor Thomson
- Laboratorio de Enzimología, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay;
- Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo 11800, Uruguay
| | - Matias N. Möller
- Laboratorio de Fisicoquímica Biológica, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay; (F.O.); (A.C.L.); (M.N.M.)
- Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo 11800, Uruguay
| | - Mariano A. Ostuni
- Université Paris Cité and Université des Antilles, UMR_S1134, BIGR, Inserm, F-75014 Paris, France; (S.L.); (S.D.L.)
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5
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Sadowska-Bartosz I, Bartosz G. Peroxiredoxin 2: An Important Element of the Antioxidant Defense of the Erythrocyte. Antioxidants (Basel) 2023; 12:antiox12051012. [PMID: 37237878 DOI: 10.3390/antiox12051012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/14/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Peroxiredoxin 2 (Prdx2) is the third most abundant erythrocyte protein. It was known previously as calpromotin since its binding to the membrane stimulates the calcium-dependent potassium channel. Prdx2 is present mostly in cytosol in the form of non-covalent dimers but may associate into doughnut-like decamers and other oligomers. Prdx2 reacts rapidly with hydrogen peroxide (k > 107 M-1 s-1). It is the main erythrocyte antioxidant that removes hydrogen peroxide formed endogenously by hemoglobin autoxidation. Prdx2 also reduces other peroxides including lipid, urate, amino acid, and protein hydroperoxides and peroxynitrite. Oxidized Prdx2 can be reduced at the expense of thioredoxin but also of other thiols, especially glutathione. Further reactions of Prdx2 with oxidants lead to hyperoxidation (formation of sulfinyl or sulfonyl derivatives of the peroxidative cysteine). The sulfinyl derivative can be reduced by sulfiredoxin. Circadian oscillations in the level of hyperoxidation of erythrocyte Prdx2 were reported. The protein can be subject to post-translational modifications; some of them, such as phosphorylation, nitration, and acetylation, increase its activity. Prdx2 can also act as a chaperone for hemoglobin and erythrocyte membrane proteins, especially during the maturation of erythrocyte precursors. The extent of Prdx2 oxidation is increased in various diseases and can be an index of oxidative stress.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza St., 35-601 Rzeszow, Poland
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszów, 4 Zelwerowicza St., 35-601 Rzeszow, Poland
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6
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Wu X, Qiu R, Yi W, Chen J, Zhang Z, Zhang J, Zhu Z. Structure-based analysis and rational design of human peroxiredoxin-1's C-terminus-derived peptides to target sulfiredoxin-1 in pancreatic cancer. Biophys Chem 2022; 288:106857. [PMID: 35901662 DOI: 10.1016/j.bpc.2022.106857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/04/2022] [Accepted: 07/14/2022] [Indexed: 11/18/2022]
Abstract
Human peroxiredoxin (PRX) family of antioxidant enzymes reduces hydrogen peroxide and alkyl hydroperoxide involved in the redox signaling, among which the widely documented PRX1 is a versatile molecule regulating cell growth, differentiation and apoptosis, and has been implicated in the tumorigensis of pancreatic cancer. In this study, we systematically examined the complex crystal structure of PRX1 with its cognate interacting partner sulfiredoxin-1 (SRX1) at molecular level, and found that the PRX1-SRX1 association is a typical peptide-mediated protein-protein interaction, where a 18-mer C-terminal tail (CTT) segment of PRX1 was identified to be primarily responsible for the interaction, which contributes ~80% and ~ 55% to the total binding potency of SRX1 to PRX1 monomer and homodimer, respectively. We also demonstrated that the SRX1 exhibits a strong global selectivity for PRX1 CTT tail over other PRX family proteins. Next, the intermolecular interaction between PRX1 CTT tail and SRX1 was investigated at structural, energetic and dynamic levels, from which a 9-mer core region of PRX1 CTT tail was defined as the SRX1-binding hotspot. Biophysical assays substantiated that the CTT and CTTc peptides (out of PRX1 protein context) can bind in an independent manner and possess a close affinity to SRX1. Based on the CTTc sketch a computational combinatorial library consisting of 216 designed peptide derivatives was rationally generated, from which the top-5 hits were found to have comparable affinity with CTT peptide and improved affinity relative to CTTc peptide. They can be used as structurally reduced lead molecular entities to further develop new peptidic agents for therapeutic purpose to disrupt the native PRX1-SRX1 interaction by competing with PRX1 CTT tail for the peptide-binding pocket of SRX1.
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Affiliation(s)
- Xiaoqiong Wu
- Department of Gastroenterology, Yueyang People's Hospital, the Affilinated Hospital of Hunan Normal University, Yueyang 414022, China.
| | - Rongyuan Qiu
- Department of Gastroenterology, Yueyang People's Hospital, the Affilinated Hospital of Hunan Normal University, Yueyang 414022, China
| | - Wei Yi
- Department of Gastroenterology, Yueyang People's Hospital, the Affilinated Hospital of Hunan Normal University, Yueyang 414022, China
| | - Juan Chen
- Department of Gastroenterology, Yueyang People's Hospital, the Affilinated Hospital of Hunan Normal University, Yueyang 414022, China
| | - Zhou Zhang
- Department of Gastroenterology, Yueyang People's Hospital, the Affilinated Hospital of Hunan Normal University, Yueyang 414022, China
| | - Ji Zhang
- Department of Gastroenterology, Yueyang People's Hospital, the Affilinated Hospital of Hunan Normal University, Yueyang 414022, China
| | - Zhiyuan Zhu
- Suzhou QingYaQiRui Biotechonology Co. Ltd, Suzhou 215100, China
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7
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Beaussart A, Canonico F, Mazon H, Hidalgo J, Cianférani S, Le Cordier H, Kriznik A, Rahuel-Clermont S. Probing the mechanism of the peroxiredoxin decamer interaction with its reductase sulfiredoxin from the single molecule to the solution scale. NANOSCALE HORIZONS 2022; 7:515-525. [PMID: 35234779 DOI: 10.1039/d2nh00037g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Peroxiredoxins from the Prx1 subfamily (Prx) are highly regulated multifunctional proteins involved in oxidative stress response, redox signaling and cell protection. Prx is a homodimer that associates into a decamer. The monomer C-terminus plays intricate roles in Prx catalytic functions, decamer stability and interaction with its redox partner, the small reductase sulfiredoxin (Srx), that regulates the switching between Prx cellular functions. As only static structures of covalent Prx-Srx complexes have been reported, whether Srx binding dissociates the decameric assembly and how Prx subunit flexibility impacts complex formation are unknown. Here, we assessed the non-covalent interaction mechanism and dynamics in the solution of Saccharomyces cerevisiae Srx with the ten subunits of Prx Tsa1 at the decamer level via a combination of multiscale biophysical approaches including native mass spectrometry. We show that the ten subunits of the decamer can be saturated by ten Srx molecules and that the Tsa1 decamer in complex with Srx does not dissociate in solution. Furthermore, the binding events of atomic force microscopy (AFM) tip-grafted Srx molecules to Tsa1 individual subunits were relevant to the interactions between free molecules in solution. Combined with protein engineering and rapid kinetics, the observation of peculiar AFM force-distance signatures revealed that Tsa1 C-terminus flexibility controls Tsa1/Srx two-step binding and dynamics and determines the force-induced dissociation of Srx from each subunit of the decameric complex in a sequential or concerted mode. This combined approach from the solution to the single-molecule level offers promising prospects for understanding oligomeric protein interactions with their partners.
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Affiliation(s)
| | | | - Hortense Mazon
- Université de Lorraine, CNRS, IMoPA, F-54000 Nancy, France
| | - Jorge Hidalgo
- Université de Lorraine, CNRS, IMoPA, F-54000 Nancy, France
| | - Sarah Cianférani
- Laboratoire de Spectrométrie de Masse BioOrganique, Université de Strasbourg, CNRS, IPHC UMR 7178, 67000 Strasbourg, France
- Infrastructure Nationale de Protéomique ProFI - FR2048 CNRS CEA, 67087 Strasbourg, France
| | | | - Alexandre Kriznik
- Université de Lorraine, CNRS, IMoPA, F-54000 Nancy, France
- Université de Lorraine, CNRS, INSERM, UMS2008 IBSLor, Biophysics and Structural Biology core facility, F-54000 Nancy, France.
| | - Sophie Rahuel-Clermont
- Université de Lorraine, CNRS, IMoPA, F-54000 Nancy, France
- Université de Lorraine, CNRS, INSERM, UMS2008 IBSLor, Biophysics and Structural Biology core facility, F-54000 Nancy, France.
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8
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Sulfiredoxin Promotes Cancer Cell Invasion through Regulation of the miR143-Fascin Axis. Mol Cell Biol 2022; 42:e0005122. [PMID: 35412358 DOI: 10.1128/mcb.00051-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Intracellular antioxidant enzymes are critical for maintenance of redox homeostasis, but whether and how they contribute to the malignancy of cancer cells remains poorly understood. Sulfiredoxin (Srx) is a unique oxidoreductase in that it not only restores peroxidase activity of peroxiredoxins (Prxs) but also functions as a pivotal stimulator of oncogenic signaling. We found that abnormally high level of Srx promotes colorectal cancer (CRC) malignancy by stimulating gelatin degradation, invadopodia formation, and cell invasion. Fascin, an actin-bundling protein, was discovered and validated as one of the critical downstream targets of Srx activation. We demonstrated that depletion of Srx in CRC cells leads to upregulation of miR-143-3p, which mediates degradation of fascin mRNA through binding to conserved sites within the 3' untranslated region (UTR). Depletion of fascin in CRC cells recapitulates the effect of Srx loss, and restoration of fascin in Srx-depleted cells by miR-143-3p inhibitor or overexpression rescues defects in cell invasion. Therefore, our data demonstrate that the Srx-miR143-fascin axis plays a key role in promoting the malignancy of human CRC cells. In the future, the Srx-miR143-fascin axis can be used as a functional pathway to evaluate the efficacy of therapeutic drugs or be targeted to develop promising chemotherapeutics for treatment of CRC patients.
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9
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Demasi M, Augusto O, Bechara EJH, Bicev RN, Cerqueira FM, da Cunha FM, Denicola A, Gomes F, Miyamoto S, Netto LES, Randall LM, Stevani CV, Thomson L. Oxidative Modification of Proteins: From Damage to Catalysis, Signaling, and Beyond. Antioxid Redox Signal 2021; 35:1016-1080. [PMID: 33726509 DOI: 10.1089/ars.2020.8176] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Significance: The systematic investigation of oxidative modification of proteins by reactive oxygen species started in 1980. Later, it was shown that reactive nitrogen species could also modify proteins. Some protein oxidative modifications promote loss of protein function, cleavage or aggregation, and some result in proteo-toxicity and cellular homeostasis disruption. Recent Advances: Previously, protein oxidation was associated exclusively to damage. However, not all oxidative modifications are necessarily associated with damage, as with Met and Cys protein residue oxidation. In these cases, redox state changes can alter protein structure, catalytic function, and signaling processes in response to metabolic and/or environmental alterations. This review aims to integrate the present knowledge on redox modifications of proteins with their fate and role in redox signaling and human pathological conditions. Critical Issues: It is hypothesized that protein oxidation participates in the development and progression of many pathological conditions. However, no quantitative data have been correlated with specific oxidized proteins or the progression or severity of pathological conditions. Hence, the comprehension of the mechanisms underlying these modifications, their importance in human pathologies, and the fate of the modified proteins is of clinical relevance. Future Directions: We discuss new tools to cope with protein oxidation and suggest new approaches for integrating knowledge about protein oxidation and redox processes with human pathophysiological conditions. Antioxid. Redox Signal. 35, 1016-1080.
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Affiliation(s)
- Marilene Demasi
- Laboratório de Bioquímica e Biofísica, Instituto Butantan, São Paulo, Brazil
| | - Ohara Augusto
- Departamento de Bioquímica and Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Etelvino J H Bechara
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Renata N Bicev
- Departamento de Bioquímica, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Fernanda M Cerqueira
- CENTD, Centre of Excellence in New Target Discovery, Instituto Butantan, São Paulo, Brazil
| | - Fernanda M da Cunha
- Departamento de Bioquímica, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Ana Denicola
- Laboratorios Fisicoquímica Biológica-Enzimología, Facultad de Ciencias, Instituto de Química Biológica, Universidad de la República, Montevideo, Uruguay
| | - Fernando Gomes
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Sayuri Miyamoto
- Departamento de Bioquímica and Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Luis E S Netto
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Lía M Randall
- Laboratorios Fisicoquímica Biológica-Enzimología, Facultad de Ciencias, Instituto de Química Biológica, Universidad de la República, Montevideo, Uruguay
| | - Cassius V Stevani
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Leonor Thomson
- Laboratorios Fisicoquímica Biológica-Enzimología, Facultad de Ciencias, Instituto de Química Biológica, Universidad de la República, Montevideo, Uruguay
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10
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Vo TN, Malo Pueyo J, Wahni K, Ezeriņa D, Bolduc J, Messens J. Prdx1 Interacts with ASK1 upon Exposure to H 2O 2 and Independently of a Scaffolding Protein. Antioxidants (Basel) 2021; 10:antiox10071060. [PMID: 34209102 PMCID: PMC8300624 DOI: 10.3390/antiox10071060] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 06/18/2021] [Accepted: 06/25/2021] [Indexed: 01/02/2023] Open
Abstract
Hydrogen peroxide (H2O2) is a key redox signaling molecule that selectively oxidizes cysteines on proteins. It can accomplish this even in the presence of highly efficient and abundant H2O2 scavengers, peroxiredoxins (Prdxs), as it is the Prdxs themselves that transfer oxidative equivalents to specific protein thiols on target proteins via their redox-relay functionality. The first evidence of a mammalian cytosolic Prdx-mediated redox-relay—Prdx1 with the kinase ASK1—was presented a decade ago based on the outcome of a co-immunoprecipitation experiment. A second such redox-relay—Prdx2:STAT3—soon followed, for which further studies provided insights into its specificity, organization, and mechanism. The Prdx1:ASK1 redox-relay, however, has never undergone such a characterization. Here, we combine cellular and in vitro protein–protein interaction methods to investigate the Prdx1:ASK1 interaction more thoroughly. We show that, contrary to the Prdx2:STAT3 redox-relay, Prdx1 interacts with ASK1 at elevated H2O2 concentrations, and that this interaction can happen independently of a scaffolding protein. We also provide evidence of a Prdx2:ASK1 interaction, and demonstrate that it requires a facilitator that, however, is not annexin A2. Our results reveal that cytosolic Prdx redox-relays can be organized in different ways and yet again highlight the differentiated roles of Prdx1 and Prdx2.
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Affiliation(s)
- Trung Nghia Vo
- VIB-VUB Center for Structural Biology, Vlaams Instituut Voor Biotechnologie, B-1050 Brussels, Belgium; (T.N.V.); (J.M.P.); (K.W.); (D.E.); (J.B.)
- Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
- Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | - Julia Malo Pueyo
- VIB-VUB Center for Structural Biology, Vlaams Instituut Voor Biotechnologie, B-1050 Brussels, Belgium; (T.N.V.); (J.M.P.); (K.W.); (D.E.); (J.B.)
- Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
- Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | - Khadija Wahni
- VIB-VUB Center for Structural Biology, Vlaams Instituut Voor Biotechnologie, B-1050 Brussels, Belgium; (T.N.V.); (J.M.P.); (K.W.); (D.E.); (J.B.)
- Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
- Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | - Daria Ezeriņa
- VIB-VUB Center for Structural Biology, Vlaams Instituut Voor Biotechnologie, B-1050 Brussels, Belgium; (T.N.V.); (J.M.P.); (K.W.); (D.E.); (J.B.)
- Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
- Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | - Jesalyn Bolduc
- VIB-VUB Center for Structural Biology, Vlaams Instituut Voor Biotechnologie, B-1050 Brussels, Belgium; (T.N.V.); (J.M.P.); (K.W.); (D.E.); (J.B.)
- Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
- Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | - Joris Messens
- VIB-VUB Center for Structural Biology, Vlaams Instituut Voor Biotechnologie, B-1050 Brussels, Belgium; (T.N.V.); (J.M.P.); (K.W.); (D.E.); (J.B.)
- Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
- Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
- Correspondence:
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11
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Tairum CA, Santos MC, Breyer CA, de Oliveira ALP, Cabrera VIM, Toledo-Silva G, Mori GM, Toyama MH, Netto LES, de Oliveira MA. Effects of Serine or Threonine in the Active Site of Typical 2-Cys Prx on Hyperoxidation Susceptibility and on Chaperone Activity. Antioxidants (Basel) 2021; 10:1032. [PMID: 34202406 PMCID: PMC8300647 DOI: 10.3390/antiox10071032] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/02/2021] [Accepted: 06/10/2021] [Indexed: 11/23/2022] Open
Abstract
Typical 2-Cys peroxiredoxins (2-Cys Prx) are ubiquitous Cys-based peroxidases, which are stable as decamers in the reduced state, and may dissociate into dimers upon disulfide bond formation. A peroxidatic Cys (CP) takes part of a catalytic triad, together with a Thr/Ser and an Arg. Previously, we described that the presence of Ser (instead of Thr) in the active site stabilizes yeast 2-Cys Prx as decamers. Here, we compared the hyperoxidation susceptibilities of yeast 2-Cys Prx. Notably, 2-Cys Prx containing Ser (named here Ser-Prx) were more resistant to hyperoxidation than enzymes containing Thr (Thr-Prx). In silico analysis revealed that Thr-Prx are more frequent in all domains of life, while Ser-Prx are more abundant in bacteria. As yeast 2-Cys Prx, bacterial Ser-Prx are more stable as decamers than Thr-Prx. However, bacterial Ser-Prx were only slightly more resistant to hyperoxidation than Thr-Prx. Furthermore, in all cases, organic hydroperoxide inhibited more the peroxidase activities of 2-Cys Prx than hydrogen peroxide. Moreover, bacterial Ser-Prx displayed increased thermal resistance and chaperone activity, which may be related with its enhanced stability as decamers compared to Thr-Prx. Therefore, the single substitution of Thr by Ser in the catalytic triad results in profound biochemical and structural differences in 2-Cys Prx.
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Affiliation(s)
- Carlos A. Tairum
- Instituto de Biociências, Universidade Estadual Paulista, UNESP, São Vicente 01049-010, Brazil; (C.A.T.); (M.C.S.); (C.A.B.); (A.L.P.d.O.); (V.I.M.C.); (M.H.T.)
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo 01049-010, Brazil
| | - Melina Cardoso Santos
- Instituto de Biociências, Universidade Estadual Paulista, UNESP, São Vicente 01049-010, Brazil; (C.A.T.); (M.C.S.); (C.A.B.); (A.L.P.d.O.); (V.I.M.C.); (M.H.T.)
| | - Carlos Alexandre Breyer
- Instituto de Biociências, Universidade Estadual Paulista, UNESP, São Vicente 01049-010, Brazil; (C.A.T.); (M.C.S.); (C.A.B.); (A.L.P.d.O.); (V.I.M.C.); (M.H.T.)
| | - Ana Laura Pires de Oliveira
- Instituto de Biociências, Universidade Estadual Paulista, UNESP, São Vicente 01049-010, Brazil; (C.A.T.); (M.C.S.); (C.A.B.); (A.L.P.d.O.); (V.I.M.C.); (M.H.T.)
| | - Vitoria Isabela Montanhero Cabrera
- Instituto de Biociências, Universidade Estadual Paulista, UNESP, São Vicente 01049-010, Brazil; (C.A.T.); (M.C.S.); (C.A.B.); (A.L.P.d.O.); (V.I.M.C.); (M.H.T.)
| | - Guilherme Toledo-Silva
- Laboratório de Biomarcadores de Contaminação Aquática e Imunoquímica, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis 88040-900, Brazil;
| | - Gustavo Maruyama Mori
- Laboratório de Ecologia Molecular, Instituto de Biociências, Universidade Estadual Paulista, UNESP, São Vicente 01049-010, Brazil;
| | - Marcos Hikari Toyama
- Instituto de Biociências, Universidade Estadual Paulista, UNESP, São Vicente 01049-010, Brazil; (C.A.T.); (M.C.S.); (C.A.B.); (A.L.P.d.O.); (V.I.M.C.); (M.H.T.)
| | - Luis Eduardo Soares Netto
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo 01049-010, Brazil
| | - Marcos Antonio de Oliveira
- Instituto de Biociências, Universidade Estadual Paulista, UNESP, São Vicente 01049-010, Brazil; (C.A.T.); (M.C.S.); (C.A.B.); (A.L.P.d.O.); (V.I.M.C.); (M.H.T.)
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12
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Specificity of Human Sulfiredoxin for Reductant and Peroxiredoxin Oligomeric State. Antioxidants (Basel) 2021; 10:antiox10060946. [PMID: 34208049 PMCID: PMC8230665 DOI: 10.3390/antiox10060946] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/04/2021] [Accepted: 06/08/2021] [Indexed: 01/07/2023] Open
Abstract
Human peroxiredoxins (Prx) are a family of antioxidant enzymes involved in a myriad of cellular functions and diseases. During the reaction with peroxides (e.g., H2O2), the typical 2-Cys Prxs change oligomeric structure between higher order (do)decamers and disulfide-linked dimers, with the hyperoxidized inactive state (-SO2H) favoring the multimeric structure of the reduced enzyme. Here, we present a study on the structural requirements for the repair of hyperoxidized 2-Cys Prxs by human sulfiredoxin (Srx) and the relative efficacy of physiological reductants hydrogen sulfide (H2S) and glutathione (GSH) in this reaction. The crystal structure of the toroidal Prx1-Srx complex shows an extended active site interface. The loss of this interface within engineered Prx2 and Prx3 dimers yielded variants more resistant to hyperoxidation and repair by Srx. Finally, we reveal for the first time Prx isoform-dependent use of and potential cooperation between GSH and H2S in supporting Srx activity.
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13
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Troussicot L, Burmann BM, Molin M. Structural determinants of multimerization and dissociation in 2-Cys peroxiredoxin chaperone function. Structure 2021; 29:640-654. [PMID: 33945778 DOI: 10.1016/j.str.2021.04.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/31/2021] [Accepted: 04/14/2021] [Indexed: 12/19/2022]
Abstract
Peroxiredoxins (PRDXs) are abundant peroxidases present in all kingdoms of life. Recently, they have been shown to also carry out additional roles as molecular chaperones. To address this emerging supplementary function, this review focuses on structural studies of 2-Cys PRDX systems exhibiting chaperone activity. We provide a detailed understanding of the current knowledge of structural determinants underlying the chaperone function of PRDXs. Specifically, we describe the mechanisms which may modulate their quaternary structure to facilitate interactions with client proteins and how they are coordinated with the functions of other molecular chaperones. Following an overview of PRDX molecular architecture, we outline structural details of the presently best-characterized peroxiredoxins exhibiting chaperone function and highlight common denominators. Finally, we discuss the remarkable structural similarities between 2-Cys PRDXs, small HSPs, and J-domain-independent Hsp40 holdases in terms of their functions and dynamic equilibria between low- and high-molecular-weight oligomers.
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Affiliation(s)
- Laura Troussicot
- Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30 Göteborg, Sweden; Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 405 30 Göteborg, Sweden
| | - Björn M Burmann
- Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30 Göteborg, Sweden; Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 405 30 Göteborg, Sweden.
| | - Mikael Molin
- Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30 Göteborg, Sweden; Department of Biology and Biological Engineering, Chalmers University of Technology, 405 30 Göteborg, Sweden.
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14
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Bolduc J, Koruza K, Luo T, Malo Pueyo J, Vo TN, Ezeriņa D, Messens J. Peroxiredoxins wear many hats: Factors that fashion their peroxide sensing personalities. Redox Biol 2021; 42:101959. [PMID: 33895094 PMCID: PMC8113037 DOI: 10.1016/j.redox.2021.101959] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 03/07/2021] [Accepted: 03/25/2021] [Indexed: 02/07/2023] Open
Abstract
Peroxiredoxins (Prdxs) sense and assess peroxide levels, and signal through protein interactions. Understanding the role of the multiple structural and post-translational modification (PTM) layers that tunes the peroxiredoxin specificities is still a challenge. In this review, we give a tabulated overview on what is known about human and bacterial peroxiredoxins with a focus on structure, PTMs, and protein-protein interactions. Armed with numerous cellular and atomic level experimental techniques, we look at the future and ask ourselves what is still needed to give us a clearer view on the cellular operating power of Prdxs in both stress and non-stress conditions.
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Affiliation(s)
- Jesalyn Bolduc
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium
| | - Katarina Koruza
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium
| | - Ting Luo
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium
| | - Julia Malo Pueyo
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium
| | - Trung Nghia Vo
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium
| | - Daria Ezeriņa
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium
| | - Joris Messens
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie, B-1050, Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050, Brussels, Belgium.
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15
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Peskin AV, Winterbourn CC. The Enigma of 2-Cys Peroxiredoxins: What Are Their Roles? BIOCHEMISTRY (MOSCOW) 2021; 86:84-91. [PMID: 33705284 DOI: 10.1134/s0006297921010089] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
2-Cys peroxiredoxins are abundant thiol proteins that react efficiently with a wide range of peroxides. Unlike other enzymes, their exceptionally high reactivity does not rely on cofactors. The mechanism of oxidation and reduction of peroxiredoxins places them in a good position to act as antioxidants as well as key players in redox signaling. Understanding of the intimate details of peroxiredoxin functioning is important for translational research.
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Affiliation(s)
- Alexander V Peskin
- Centre for Free Radical Research, University of Otago Christchurch, Christchurch, Otago, 8140, New Zealand.
| | - Christine C Winterbourn
- Centre for Free Radical Research, University of Otago Christchurch, Christchurch, Otago, 8140, New Zealand
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16
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Unique Cellular and Biochemical Features of Human Mitochondrial Peroxiredoxin 3 Establish the Molecular Basis for Its Specific Reaction with Thiostrepton. Antioxidants (Basel) 2021; 10:antiox10020150. [PMID: 33498547 PMCID: PMC7909569 DOI: 10.3390/antiox10020150] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/08/2021] [Accepted: 01/08/2021] [Indexed: 01/02/2023] Open
Abstract
A central hallmark of tumorigenesis is metabolic alterations that increase mitochondrial reactive oxygen species (mROS). In response, cancer cells upregulate their antioxidant capacity and redox-responsive signaling pathways. A promising chemotherapeutic approach is to increase ROS to levels incompatible with tumor cell survival. Mitochondrial peroxiredoxin 3 (PRX3) plays a significant role in detoxifying hydrogen peroxide (H2O2). PRX3 is a molecular target of thiostrepton (TS), a natural product and FDA-approved antibiotic. TS inactivates PRX3 by covalently adducting its two catalytic cysteine residues and crosslinking the homodimer. Using cellular models of malignant mesothelioma, we show here that PRX3 expression and mROS levels in cells correlate with sensitivity to TS and that TS reacts selectively with PRX3 relative to other PRX isoforms. Using recombinant PRXs 1–5, we demonstrate that TS preferentially reacts with a reduced thiolate in the PRX3 dimer at mitochondrial pH. We also show that partially oxidized PRX3 fully dissociates to dimers, while partially oxidized PRX1 and PRX2 remain largely decameric. The ability of TS to react with engineered dimers of PRX1 and PRX2 at mitochondrial pH, but inefficiently with wild-type decameric protein at cytoplasmic pH, supports a novel mechanism of action and explains the specificity of TS for PRX3. Thus, the unique structure and propensity of PRX3 to form dimers contribute to its increased sensitivity to TS-mediated inactivation, making PRX3 a promising target for prooxidant cancer therapy.
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17
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Discovery of Spilanthol Endoperoxide as a Redox Natural Compound Active against Mammalian Prx3 and Chlamydia trachomatis Infection. Antioxidants (Basel) 2020; 9:antiox9121220. [PMID: 33287170 PMCID: PMC7761737 DOI: 10.3390/antiox9121220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/25/2020] [Accepted: 11/28/2020] [Indexed: 11/18/2022] Open
Abstract
Chlamydia trachomatis (Ct) is a bacterial intracellular pathogen responsible for a plethora of diseases ranging from blindness to pelvic inflammatory diseases and cervical cancer. Although this disease is effectively treated with antibiotics, concerns for development of resistance prompt the need for new low-cost treatments. Here we report the activity of spilanthol (SPL), a natural compound with demonstrated anti-inflammatory properties, against Ct infections. Using chemical probes selective for imaging mitochondrial protein sulfenylation and complementary assays, we identify an increase in mitochondrial oxidative state by SPL as the underlying mechanism leading to disruption of host cell F-actin cytoskeletal organization and inhibition of chlamydial infection. The peroxidation product of SPL (SPL endoperoxide, SPLE), envisioned to be the active compound in the cellular milieu, was chemically synthesized and showed more potent anti-chlamydial activity. Comparison of SPL and SPLE reactivity with mammalian peroxiredoxins, demonstrated preferred reactivity of SPLE with Prx3, and virtual lack of SPL reaction with any of the reduced Prx isoforms investigated. Cumulatively, these findings support the function of SPL as a pro-drug, which is converted to SPLE in the cellular milieu leading to inhibition of Prx3, increased mitochondrial oxidation and disruption of F-actin network, and inhibition of Ct infection.
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18
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Yasmin S, Cerchia C, Badavath VN, Laghezza A, Dal Piaz F, Mondal SK, Atlı Ö, Baysal M, Vadivelan S, Shankar S, Siddique MUM, Pattnaik AK, Singh RP, Loiodice F, Jayaprakash V, Lavecchia A. A Series of Ferulic Acid Amides Reveals Unexpected Peroxiredoxin 1 Inhibitory Activity with in vivo Antidiabetic and Hypolipidemic Effects. ChemMedChem 2020; 16:484-498. [PMID: 33030290 DOI: 10.1002/cmdc.202000564] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Indexed: 12/11/2022]
Abstract
Insulin resistance is a major pathophysiological feature in the development of type 2 diabetes (T2DM). Ferulic acid is known for attenuating the insulin resistance and reducing the blood glucose in T2DM rats. In this work, we designed and synthesized a library of new ferulic acid amides (FAA), which could be considered as ring opening derivatives of the antidiabetic PPARγ agonists Thiazolidinediones (TZDs). However, since these compounds displayed weak PPAR transactivation capacity, we employed a proteomics approach to unravel their molecular target(s) and identified the peroxiredoxin 1 (PRDX1) as a direct binding target of FAAs. Interestingly, PRDX1, a protein with antioxidant and chaperone activity, has been implied in the development of T2DM by inducing hepatic insulin resistance. SPR, mass spectrometry-based studies, docking experiments and in vitro inhibition assay confirmed that compounds VIe and VIf bound PRDX1 and induced a dose-dependent inhibition. Furthermore, VIe and VIf significantly improved hyperglycemia and hyperlipidemia in streptozotocin-nicotinamide (STZ-NA)-induced diabetic rats as confirmed by histopathological examinations. These results provide guidance for developing the current FAAs as new potential antidiabetic agents.
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Affiliation(s)
- Sabina Yasmin
- Department of Pharmaceutical Sciences & Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, 835 215, India.,Department of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, Abha, 61441, Saudi Arabia
| | - Carmen Cerchia
- Department of Pharmacy, "Drug Discovery" Laboratory, University of Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
| | - Vishnu Nayak Badavath
- Department of Pharmaceutical Sciences & Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, 835 215, India
| | - Antonio Laghezza
- Department of Pharmacy & Drug Sciences, University of Bari "Aldo Moro", via Orabona 4, 70125, Bari, Italy
| | - Fabrizio Dal Piaz
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084, Fisciano, Italy
| | - Susanta K Mondal
- TCG Lifesciences Ltd., Block-EP & GP, BIPL Tower-B, Saltlake, Sector-V, Kolkata, 700091, West Bengal, India
| | - Özlem Atlı
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, Yunus Emre Kampüsü, 26470, Eskişehir, Turkey
| | - Merve Baysal
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, Yunus Emre Kampüsü, 26470, Eskişehir, Turkey
| | - Sankaran Vadivelan
- Advinus Limited, 21 & 22 Peenya Industrial Area, 560058, Bengaluru, India
| | - S Shankar
- Advinus Limited, 21 & 22 Peenya Industrial Area, 560058, Bengaluru, India
| | - Mohd Usman Mohd Siddique
- Department of Pharmaceutical Sciences & Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, 835 215, India
| | - Ashok Kumar Pattnaik
- Department of Pharmaceutical Sciences & Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, 835 215, India
| | - Ravi Pratap Singh
- Department of Pharmaceutical Sciences & Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, 835 215, India
| | - Fulvio Loiodice
- Department of Pharmacy & Drug Sciences, University of Bari "Aldo Moro", via Orabona 4, 70125, Bari, Italy
| | - Venkatesan Jayaprakash
- Department of Pharmaceutical Sciences & Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, 835 215, India
| | - Antonio Lavecchia
- Department of Pharmacy, "Drug Discovery" Laboratory, University of Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
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19
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Kumawat M, Singh R, Karuna I, Ahlawat N, Ahlawat S. Salmonella Typhimurium peptidyl-prolyl cis-trans isomerase C (PPIase C) plays a substantial role in protein folding to maintain the protein structure. World J Microbiol Biotechnol 2020; 36:168. [PMID: 33029674 DOI: 10.1007/s11274-020-02943-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 09/29/2020] [Indexed: 01/18/2023]
Abstract
Salmonella is a well-known food-borne pathogen causing disease in humans and animals worldwide. Peptidyl-prolyl isomerases (PPIases) catalyse the cis-trans isomerisation of prolyl bound, which is a slow and rate-limiting step of protein folding. Here, we present the biochemical and molecular characterisation of a novel multi-domain parvulin-type, PPIases-C from the pathogenic bacteria Salmonella Typhimurium, annotated as rPpiC. The recombinant plasmid PpiC_pET28c was used for protein induction using 1.5 mM concentration of isopropyl-β-D-thiogalactopyranoside at 30 °C. Subsequently, the protein was identified by using the LC-MS technique showing high match score and sequence coverage with available PPIases-C proteins database. Using the succinyl-ala-phe-pro-phe-p nitroanilide as a substrate, Vmax of the enzyme was found to be 0.8187 ± 0.1352 µmoles/min and Km = 1.6014 ± 0.8449 µM, respectively. With this, we conclude that rPpiC protein is an active form of protein from Salmonella Typhimurium and plays an important role in protein folding.
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Affiliation(s)
- Manoj Kumawat
- Department of Microbiology, ICMR- National Institute for Research in Environmental Health, Bhopal, 462030, India. .,Department of Biochemistry & Biochemical Engineering, SHUATS, Allahabad, 211007, India.
| | - Ranu Singh
- Department of Biological Sciences, Indian Institute of Science Education and Research, Bhopal, 462066, India
| | - Irungbam Karuna
- Divisions of Biochemistry, Indian Veterinary Research Institute, Izatnagar, India
| | - Neeraj Ahlawat
- Department of Animal Husbandry and Dairying, SHUATS, Allahabad, 211007, India
| | - Sushma Ahlawat
- Department of Biochemistry & Biochemical Engineering, SHUATS, Allahabad, 211007, India.
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20
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Ulrich K, Schwappach B, Jakob U. Thiol-based switching mechanisms of stress-sensing chaperones. Biol Chem 2020; 402:239-252. [PMID: 32990643 DOI: 10.1515/hsz-2020-0262] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 09/11/2020] [Indexed: 12/13/2022]
Abstract
Thiol-based redox switches evolved as efficient post-translational regulatory mechanisms that enable individual proteins to rapidly respond to sudden environmental changes. While some protein functions need to be switched off to save resources and avoid potentially error-prone processes, protective functions become essential and need to be switched on. In this review, we focus on thiol-based activation mechanisms of stress-sensing chaperones. Upon stress exposure, these chaperones convert into high affinity binding platforms for unfolding proteins and protect cells against the accumulation of potentially toxic protein aggregates. Their chaperone activity is independent of ATP, a feature that becomes especially important under oxidative stress conditions, where cellular ATP levels drop and canonical ATP-dependent chaperones no longer operate. Vice versa, reductive inactivation and substrate release require the restoration of ATP levels, which ensures refolding of client proteins by ATP-dependent foldases. We will give an overview over the different strategies that cells evolved to rapidly increase the pool of ATP-independent chaperones upon oxidative stress and provide mechanistic insights into how stress conditions are used to convert abundant cellular proteins into ATP-independent holding chaperones.
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Affiliation(s)
- Kathrin Ulrich
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, 1105 N. University Ave., Ann Arbor, MI48109, USA
| | - Blanche Schwappach
- Department of Molecular Biology, Universitätsmedizin Göttingen, Humboldtallee 23, 37073 Göttingen, Germany
| | - Ursula Jakob
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, 1105 N. University Ave., Ann Arbor, MI48109, USA.,Department of Biological Chemistry, University of Michigan, Ann Arbor, MI48109, USA
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21
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Li CC, Yang MJ, Yang J, Kang M, Li T, He LH, Song YJ, Zhu YB, Zhao NL, Zhao C, Huang Q, Mou XY, Li H, Tong AP, Tang H, Bao R. Structural and biochemical analysis of 1-Cys peroxiredoxin ScPrx1 from Saccharomyces cerevisiae mitochondria. Biochim Biophys Acta Gen Subj 2020; 1864:129706. [PMID: 32805320 DOI: 10.1016/j.bbagen.2020.129706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 07/13/2020] [Accepted: 08/05/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND ScPrx1 is a yeast mitochondrial 1-Cys peroxiredoxins (Prx), a type of Prx enzyme which require thiol-containing reducing agents to resolve its peroxidatic cysteine. ScPrx1 plays important role in protection against oxidative stress. Mitochondrial thioredoxin ScTrx3 and glutathione have been reported to be the physiological electron donor for ScPrx1. However, the mechanism underlying their actions, especially the substrate recognition of ScPrx1 requires additional elucidation. METHODS The structure of ScPrx1 was obtained through crystallization experiments. The oligomeric state of ScPrx1 was monitored by Blue-Native PAGE. Mutations were generated by the QuikChange PCR-based method. The ScPrx1 activity assay was carried out by measuring the change of 340 nm absorption of the NADPH oxidation. RESULTS ScPrx1 exist as a homodimer in solution. The structure adopts a typical Prx-fold core which is preceded by an N-terminal β-hairpin and has a C-terminal extension. Mutations (Glu94Ala, Arg198Ala and Trp126) close to the active site could enhance the catalytic efficiency of ScPrx1 while His83Ala and mutations on α4-β6 region exhibited reduced activity. The biochemical data also show that the deletion or mutations on ScPrx1 C-terminal have 2-4.56 fold increased activity. CONCLUSION We inferred that conformational changes of ScPrx1 C-terminal segment were important for its reaction, and the α4-β6 loop regions around the ScPrx1 active sites were important for the catalytic function of ScPrx1. Collectively, these structural features provides a basis for understanding the diverse reductant species usage in different 1-Cys Prxs.
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Affiliation(s)
- Chang-Cheng Li
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Mei-Jia Yang
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Jing Yang
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Mei Kang
- Department of Laboratory medicine, West, China Hospital, Sichuan University
| | - Tao Li
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Li-Hui He
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Ying-Jie Song
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Yi-Bo Zhu
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Ning-Lin Zhao
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Chang Zhao
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Qin Huang
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Xing-Yu Mou
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Hong Li
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Ai-Ping Tong
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Hong Tang
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center
| | - Rui Bao
- Center of Infectious Diseases, State Key Laboratory of Biotherapy, West, China Hospital, Sichuan University and Collaborative Innovation Center.
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22
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Rhee SG, Woo HA. Multiple functions of 2-Cys peroxiredoxins, I and II, and their regulations via post-translational modifications. Free Radic Biol Med 2020; 152:107-115. [PMID: 32151745 DOI: 10.1016/j.freeradbiomed.2020.02.028] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 02/26/2020] [Accepted: 02/27/2020] [Indexed: 12/14/2022]
Abstract
Peroxiredoxins (Prxs) are an unusual family of thiol-specific peroxidases that possess a binding site for H2O2 and rely on a conserved cysteine residue for rapid reaction with H2O2. Among 6 mammalian isoforms (Prx I to VI), Prx I and Prx II are mainly found in the cytosol and nucleus. Prx I and Prx II function as antioxidant enzymes and protein chaperone under oxidative distress conditions. Under oxidative eustress conditions, Prx I and Prx II regulate the levels of H2O2 at specific area of the cells as well as sense and transduce H2O2 signaling to target proteins. Prx I and Prx II are known to be covalently modified on multiple sites: Prx I is hyperoxidized on Cys52; phosphorylated on Ser32, Thr90, and Tyr194; acetylated on Lys7, Lys16, Lys27, Lys35, and Lys197; glutathionylated on Cys52, Cys83, and Cys173; and nitrosylated on Cys52 and Cys83, whereas Prx II is hyperoxidized on Cys51; phosphorylated on Thr89, Ser112, and Thr182; acetylated on Ala2 and Lys196; glutathionylated on Cys51 and Cys172; and nitrosylated on Cys51 and Cys172. In this review, we describe how these post-translational modifications affect various functions of Prx I and Prx II.
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Affiliation(s)
- Sue Goo Rhee
- Yonsei Biomedical Research Institute, Yonsei University College of Medicine, Seoul, 120-749, South Korea; The Biochemistry and Biophysics Center, NHLBI, National Institutes of Health, Bethesda, MD, 20892, USA.
| | - Hyun Ae Woo
- College of Pharmacy and College of Natural Sciences, Ewha Womans University, Seoul, 120-750, South Korea
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23
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Wang J, Pan W, Cai W, Wang M, Liu L, Zhang M. Structural insight into the biological functions of Arabidopsis thaliana ACHT1. Int J Biol Macromol 2020; 158:43-51. [PMID: 32376247 DOI: 10.1016/j.ijbiomac.2020.04.246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 04/23/2020] [Accepted: 04/27/2020] [Indexed: 10/24/2022]
Abstract
The Arabidopsis thaliana atypical Cys His-rich thioredoxins (ACHTs) are a small class of atypical thioredoxins (TRXs) located in chloroplasts thylakoids and are characterized by a noncanonical motif at their redox active site, C (G/S)(S/G)C. Previous studies have reported that ACHT1 can interact with A. thaliana 2-Cys peroxiredoxins (2-Cys Prxs, including PrxA and PrxB) to transmit oxidation signals in response to illumination with normal light intensity. In this study, we reported the crystal structure of ACHT1 and show that ACHT1 adopts a canonical TRX fold. Comparison of the structures of ACHT1 in both reducing and oxidizing environments revealed that while the redox environment did not influence the overall structure of ACHT1, it did change the conformation of its catalytic residues. We found that the catalytic C125 of ACHT1 is the target residue for PrxA in vitro. In addition, we found that ACHT1 can reduce the peroxidase activity of PrxA, and further confirmed that the ability of ACHT1 to restore the peroxidase function of PrxA was due to the interaction between the two. Our results provide a structural basis for studying the function of atypical TRXs and the oxidative regulation mechanism of ACHT1 and 2-Cys Prxs in chloroplasts.
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Affiliation(s)
- Junchao Wang
- School of Life Sciences, Anhui University, Hefei 230601, Anhui, China; Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601, Anhui, China
| | - Weimin Pan
- School of Life Sciences, Anhui University, Hefei 230601, Anhui, China
| | - Wenguang Cai
- School of Life Sciences, Anhui University, Hefei 230601, Anhui, China
| | - Mingzhu Wang
- Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601, Anhui, China; Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei 230601, Anhui, China
| | - Lin Liu
- School of Life Sciences, Anhui University, Hefei 230601, Anhui, China; Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei 230601, Anhui, China
| | - Min Zhang
- School of Life Sciences, Anhui University, Hefei 230601, Anhui, China; Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei 230601, Anhui, China.
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24
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Kumar R, Mohammad A, Saini RV, Chahal A, Wong CM, Sharma D, Kaur S, Kumar V, Winterbourn CC, Saini AK. Deciphering the in vivo redox behavior of human peroxiredoxins I and II by expressing in budding yeast. Free Radic Biol Med 2019; 145:321-329. [PMID: 31580947 DOI: 10.1016/j.freeradbiomed.2019.09.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 01/18/2019] [Accepted: 09/27/2019] [Indexed: 01/06/2023]
Abstract
Peroxiredoxins (Prxs), scavenge cellular peroxides by forming recyclable disulfides but under high oxidative stress, hyperoxidation of their active-site Cys residue results in loss of their peroxidase activity. Saccharomyces cerevisiae deficient in human Prx (hPrx) orthologue TSA1 show growth defects under oxidative stress. They can be complemented with hPRXI but not by hPRXII, but it is not clear how the disulfide and hyperoxidation states of the hPrx vary in yeast under oxidative stress. To understand this, we used oxidative-stress sensitive tsa1tsa2Δ yeast strain to express hPRXI or hPRXII. We found that hPrxI in yeast exists as a mixture of disulfide-linked dimer and reduced monomer but becomes hyperoxidized upon elevated oxidative stress as analyzed under denaturing conditions (SDS-PAGE). In contrast, hPrxII was present predominantly as the disulfide in unstressed cells and readily converted to its hyperoxidized, peroxidase-inactive form even with mild oxidative stress. Interestingly, we found that plant extracts containing polyphenol antioxidants provided further protection against the growth defects of the tsa1tsa2Δ strain expressing hPrx and preserved the peroxidase-active forms of the Prxs. The extracts also helped to protect against hyperoxidation of hPrxs in HeLa cells. Based on these findings we can conclude that resistance to oxidative stress of yeast cells expressing individual hPrxs requires the hPrx to be maintained in a redox state that permits redox cycling and peroxidase activity. Peroxidase activity decreases as the hPrx becomes hyperoxidized and the limited protection by hPrxII compared with hPrxI can be explained by its greater sensitivity to hyperoxidation.
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Affiliation(s)
- Rakesh Kumar
- Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, India
| | - Ashu Mohammad
- Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, India
| | - Reena V Saini
- Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, India
| | - Anterpreet Chahal
- Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, India
| | - Chi-Ming Wong
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong, Special Administrative Region, People's Republic of China
| | - Deepak Sharma
- Council of Scientific and Industrial Research-Institute of Microbial Technology, Chandigarh, India
| | - Sukhvir Kaur
- Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, India
| | - Vikas Kumar
- Centre for Cellular and Molecular Platforms, National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore, India
| | - Christine C Winterbourn
- Centre for Free Radical Research, Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Adesh K Saini
- Faculty of Basic Sciences Shoolini University, Solan, India.
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25
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The crystal structure of sulfiredoxin from Arabidopsis thaliana revealed a more robust antioxidant mechanism in plants. Biochem Biophys Res Commun 2019; 520:347-352. [PMID: 31604522 DOI: 10.1016/j.bbrc.2019.10.034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 10/02/2019] [Indexed: 11/21/2022]
Abstract
Typical 2-cysteine peroxiredoxins (2-Cys Prxs) are critical peroxidase sensors and could be deactivated by the hyperoxidation under oxidative stress. In plants, 2-Cys Prxs present at a high level in chloroplasts and are repaired by Sulfiredoxin. Whereas many studies have explored the mechanism of Sulfiredoxin from Homo sapiens (HsSrx), the molecular mechanism of Sulfiredoxin in plants with unique photosynthesis remains unclear. Here we report the crystal structure of Sulfiredoxin from Arabidopsis thaliana (AtSrx), which displayed a typical ParB/Srx fold with an ATP bound at a conservative nucleotide binding motif GCHR. Both the ADP binding pocket and the putative AtSrx-AtPrxA interaction surface of AtSrx are more positively charged comparing to HsSrx, suggesting a robust mechanism of AtSrx. These features illustrate the unique mechanisms of AtSrx, which are vital for figure out the strategies of plants to cope with oxidation stress.
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26
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Chawsheen HA, Jiang H, Ying Q, Ding N, Thapa P, Wei Q. The redox regulator sulfiredoxin forms a complex with thioredoxin domain-containing 5 protein in response to ER stress in lung cancer cells. J Biol Chem 2019; 294:8991-9006. [PMID: 31000628 DOI: 10.1074/jbc.ra118.005804] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 04/12/2019] [Indexed: 11/06/2022] Open
Abstract
Sulfiredoxin (Srx) reduces hyperoxidized 2-cysteine-containing peroxiredoxins (Prxs) and protects cells against oxidative stress. Previous studies have shown that Srx is highly expressed in primary specimens of lung cancer patients and plays a pivotal role in lung tumorigenesis and cancer progression. However, the oncogenic mechanisms of Srx in cancer are incompletely understood. In this study, we found that Srx knockdown sensitizes lung cancer cells to endoplasmic reticulum (ER) stress-induced cell death. Through MS analysis, we determined that Srx forms a complex with the ER-resident protein thioredoxin domain-containing protein 5 (TXNDC5). Using reciprocal co-immunoprecipitation, immunofluorescence imaging, subcellular fractionation, and domain-mapping assays with site-specific mutagenesis and purified recombinant proteins, we further characterized the Srx-TXNDC5 interaction. In response to ER stress but not to oxidative stress, Srx exhibits an increased association with TXNDC5, facilitating the retention of Srx in the ER. Of note, TXNDC5 knockdown in lung cancer cells inhibited cell proliferation and repressed anchorage-independent colony formation and migration, but increased cell invasion and activation of mitogen-activated protein kinases. Using immunohistochemical staining, we demonstrate that TXNDC5 is highly expressed in patient-derived lung cancer specimens. Bioinformatics analysis of publicly available data sets revealed that those with high Srx levels have significantly shorter survival and that those with high TXNDC5 levels have longer survival. We conclude that the cellular levels of Srx and TXNDC5 may be useful as biomarkers to predict the survival of individuals with lung cancer.
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Affiliation(s)
| | - Hong Jiang
- From the Department of Toxicology and Cancer Biology and
| | - Qi Ying
- From the Department of Toxicology and Cancer Biology and
| | - Na Ding
- From the Department of Toxicology and Cancer Biology and
| | - Pratik Thapa
- From the Department of Toxicology and Cancer Biology and
| | - Qiou Wei
- From the Department of Toxicology and Cancer Biology and .,Markey Cancer Center, University of Kentucky, Lexington, Kentucky 40536
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27
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Loberg MA, Hurtig JE, Graff AH, Allan KM, Buchan JA, Spencer MK, Kelly JE, Clodfelter JE, Morano KA, Lowther WT, West JD. Aromatic Residues at the Dimer-Dimer Interface in the Peroxiredoxin Tsa1 Facilitate Decamer Formation and Biological Function. Chem Res Toxicol 2019; 32:474-483. [PMID: 30701970 DOI: 10.1021/acs.chemrestox.8b00346] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
To prevent the accumulation of reactive oxygen species and limit associated damage to biological macromolecules, cells express a variety of oxidant-detoxifying enzymes, including peroxiredoxins. In Saccharomyces cerevisiae, the peroxiredoxin Tsa1 plays a key role in peroxide clearance and maintenance of genome stability. Five homodimers of Tsa1 can assemble into a toroid-shaped decamer, with the active sites in the enzyme being shared between individual dimers in the decamer. Here, we have examined whether two conserved aromatic residues at the decamer-building interface promote Tsa1 oligomerization, enzymatic activity, and biological function. When substituting either or both of these aromatic residues at the decamer-building interface with either alanine or leucine, we found that the Tsa1 decamer is destabilized, favoring dimeric species instead. These proteins exhibit varying abilities to rescue the phenotypes of oxidant sensitivity and genomic instability in yeast lacking Tsa1 and Tsa2, with the individual leucine substitutions at this interface partially complementing the deletion phenotypes. The ability of Tsa1 decamer interface variants to partially rescue peroxidase function in deletion strains is temperature-dependent and correlates with their relative rate of reactivity with hydrogen peroxide and their ability to interact with thioredoxin. Based on the combined results of in vitro and in vivo assays, our findings indicate that multiple steps in the catalytic cycle of Tsa1 may be impaired by introducing substitutions at its decamer-building interface, suggesting a multifaceted biological basis for its assembly into decamers.
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Affiliation(s)
- Matthew A Loberg
- Biochemistry & Molecular Biology Program, Departments of Biology and Chemistry , The College of Wooster , Wooster , Ohio 44691 , United States
| | - Jennifer E Hurtig
- Biochemistry & Molecular Biology Program, Departments of Biology and Chemistry , The College of Wooster , Wooster , Ohio 44691 , United States.,Department of Microbiology & Molecular Genetics, McGovern Medical School , The University of Texas Health Science Center at Houston , Houston , Texas 77030 , United States
| | - Aaron H Graff
- Department of Biochemistry and Center for Structural Biology , Wake Forest School of Medicine , Winston-Salem , North Carolina 27101 , United States
| | - Kristin M Allan
- Biochemistry & Molecular Biology Program, Departments of Biology and Chemistry , The College of Wooster , Wooster , Ohio 44691 , United States
| | - John A Buchan
- Biochemistry & Molecular Biology Program, Departments of Biology and Chemistry , The College of Wooster , Wooster , Ohio 44691 , United States
| | - Matthew K Spencer
- Biochemistry & Molecular Biology Program, Departments of Biology and Chemistry , The College of Wooster , Wooster , Ohio 44691 , United States
| | - Joseph E Kelly
- Biochemistry & Molecular Biology Program, Departments of Biology and Chemistry , The College of Wooster , Wooster , Ohio 44691 , United States
| | - Jill E Clodfelter
- Department of Biochemistry and Center for Structural Biology , Wake Forest School of Medicine , Winston-Salem , North Carolina 27101 , United States
| | - Kevin A Morano
- Department of Microbiology & Molecular Genetics, McGovern Medical School , The University of Texas Health Science Center at Houston , Houston , Texas 77030 , United States
| | - W Todd Lowther
- Department of Biochemistry and Center for Structural Biology , Wake Forest School of Medicine , Winston-Salem , North Carolina 27101 , United States
| | - James D West
- Biochemistry & Molecular Biology Program, Departments of Biology and Chemistry , The College of Wooster , Wooster , Ohio 44691 , United States
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28
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Forshaw TE, Holmila R, Nelson KJ, Lewis JE, Kemp ML, Tsang AW, Poole LB, Lowther WT, Furdui CM. Peroxiredoxins in Cancer and Response to Radiation Therapies. Antioxidants (Basel) 2019; 8:antiox8010011. [PMID: 30609657 PMCID: PMC6356878 DOI: 10.3390/antiox8010011] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 12/23/2018] [Accepted: 12/25/2018] [Indexed: 12/11/2022] Open
Abstract
Peroxiredoxins have a long-established cellular function as regulators of redox metabolism by catalyzing the reduction of peroxides (e.g., H2O2, lipid peroxides) with high catalytic efficiency. This activity is also critical to the initiation and relay of both phosphorylation and redox signaling in a broad range of pathophysiological contexts. Under normal physiological conditions, peroxiredoxins protect normal cells from oxidative damage that could promote oncogenesis (e.g., environmental stressors). In cancer, higher expression level of peroxiredoxins has been associated with both tumor growth and resistance to radiation therapies. However, this relationship between the expression of peroxiredoxins and the response to radiation is not evident from an analysis of data in The Cancer Genome Atlas (TCGA) or NCI60 panel of cancer cell lines. The focus of this review is to summarize the current experimental knowledge implicating this class of proteins in cancer, and to provide a perspective on the value of targeting peroxiredoxins in the management of cancer. Potential biases in the analysis of the TCGA data with respect to radiation resistance are also highlighted.
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Affiliation(s)
- Tom E Forshaw
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
| | - Reetta Holmila
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
| | - Kimberly J Nelson
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
| | - Joshua E Lewis
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA.
| | - Melissa L Kemp
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA.
| | - Allen W Tsang
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
| | - Leslie B Poole
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
| | - W Todd Lowther
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
| | - Cristina M Furdui
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
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29
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Lu Y, Zhang XS, Zhou XM, Gao YY, Chen CL, Liu JP, Ye ZN, Zhang ZH, Wu LY, Li W, Hang CH. Peroxiredoxin 1/2 protects brain against H 2O 2-induced apoptosis after subarachnoid hemorrhage. FASEB J 2018; 33:3051-3062. [PMID: 30351993 DOI: 10.1096/fj.201801150r] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Recent studies suggest that peroxiredoxin1/2 (Prx1/2) may be involved in the pathophysiology of postischemic inflammatory responses in the brain. In this study, we assessed the distribution and function of Prx1/2 in mice after experimental subarachnoid hemorrhage (SAH). We investigated the distribution of Prx1/2 in the brains of mice both in vivo and in vitro using immunofluorescence staining. The expression of Prx1/2 after SAH was determined by Western blot. Adenanthin was used to inhibit Prx1/2 function, and Prx1/2 overexpression was achieved by injecting adeno-associated virus. Oxidative stress and neuronal apoptosis were assessed both in vivo and in vitro. The neurologic function, inflammatory response, and related cellular signals were analyzed. The results showed that Prx1 was mainly expressed in astrocytes, and Prx2 was abundant in neurons. The expression of Prx1/2 was elevated after SAH, and their expression levels peaked before proinflammatory cytokines. Inhibiting Prx1/2 promoted neuronal apoptosis by increasing the hydrogen peroxide (H2O2) levels via the apoptosis signal-regulating kinase 1/p38 pathway. By contrast, overexpression of Prx1/2 attenuated oxidative stress and neuronal apoptosis after SAH. Thus, early expression of Prx1/2 may protect the brain from oxidative damage after SAH and may provide a novel target for treating SAH.-Lu, Y., Zhang, X.-S., Zhou, X.-M., Gao, Y.-Y., Chen, C.-L., Liu, J.-P., Ye, Z.-N., Zhang, Z.-H., Wu, L.-Y., Li, W., Hang, C.-H. Peroxiredoxin 1/2 protects brain against H2O2-induced apoptosis after subarachnoid hemorrhage.
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Affiliation(s)
- Yue Lu
- Department of Neurosurgery, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xiang-Sheng Zhang
- Department of Neurosurgery, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xiao-Ming Zhou
- Department of Neurosurgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Yong-Yue Gao
- Department of Neurosurgery, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Chun-Lei Chen
- Department of Neurosurgery, Nanjing Medical University, Nanjing, China
| | - Jing-Peng Liu
- Department of Neurosurgery, Jinling Hospital, School of Medicine, South Medical University, Nanjing, China
| | - Zhen-Nan Ye
- Department of Neurosurgery, Jinling Hospital, School of Medicine, South Medical University, Nanjing, China
| | - Zi-Huan Zhang
- Department of Neurosurgery, Zhongdu Hospital, Bengbu, China
| | - Ling-Yun Wu
- Department of Neurosurgery, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Wei Li
- Department of Neurosurgery, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Chun-Hua Hang
- Department of Neurosurgery, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
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30
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Bolduc JA, Nelson KJ, Haynes AC, Lee J, Reisz JA, Graff AH, Clodfelter JE, Parsonage D, Poole LB, Furdui CM, Lowther WT. Novel hyperoxidation resistance motifs in 2-Cys peroxiredoxins. J Biol Chem 2018; 293:11901-11912. [PMID: 29884768 PMCID: PMC6066324 DOI: 10.1074/jbc.ra117.001690] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 05/29/2018] [Indexed: 01/07/2023] Open
Abstract
2-Cys peroxiredoxins (Prxs) modulate hydrogen peroxide (H2O2)-mediated cell signaling. At high H2O2 levels, eukaryotic Prxs can be inactivated by hyperoxidation and are classified as sensitive Prxs. In contrast, prokaryotic Prxs are categorized as being resistant to hyperoxidation and lack the GGLG and C-terminal YF motifs present in the sensitive Prxs. Additional molecular determinants that account for the subtle differences in the susceptibility to hyperoxidation remain to be identified. A comparison of a new, 2.15-Å-resolution crystal structure of Prx2 in the oxidized, disulfide-bonded state with the hyperoxidized structure of Prx2 and Prx1 in complex with sulfiredoxin revealed three structural regions that rearrange during catalysis. With these regions in hand, focused sequence analyses were performed comparing sensitive and resistant Prx groups. From this combinatorial approach, we discovered two novel hyperoxidation resistance motifs, motifs A and B, which were validated using mutagenesis of sensitive human Prxs and resistant Salmonella enterica serovar Typhimurium AhpC. Introduction and removal of these motifs, respectively, resulted in drastic changes in the sensitivity to hyperoxidation with Prx1 becoming 100-fold more resistant to hyperoxidation and AhpC becoming 800-fold more sensitive to hyperoxidation. The increased sensitivity of the latter AhpC variant was also confirmed in vivo These results support the function of motifs A and B as primary drivers for tuning the sensitivity of Prxs to different levels of H2O2, thus enabling the initiation of variable signaling or antioxidant responses in cells.
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Affiliation(s)
| | | | | | - Jingyun Lee
- Wake Forest Baptist Comprehensive Cancer Center, and
| | - Julie A. Reisz
- Section on Molecular Medicine, Department of Internal Medicine
| | - Aaron H. Graff
- From the Center for Structural Biology, Department of Biochemistry
| | | | - Derek Parsonage
- From the Center for Structural Biology, Department of Biochemistry
| | - Leslie B. Poole
- From the Center for Structural Biology, Department of Biochemistry, ,Wake Forest Baptist Comprehensive Cancer Center, and ,Center for Redox Biology and Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157 and ,Center for Molecular Signaling, Wake Forest University, Winston-Salem, North Carolina 27101
| | - Cristina M. Furdui
- Section on Molecular Medicine, Department of Internal Medicine, ,Wake Forest Baptist Comprehensive Cancer Center, and ,Center for Redox Biology and Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157 and ,Center for Molecular Signaling, Wake Forest University, Winston-Salem, North Carolina 27101
| | - W. Todd Lowther
- From the Center for Structural Biology, Department of Biochemistry, ,Wake Forest Baptist Comprehensive Cancer Center, and ,Center for Redox Biology and Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157 and ,Center for Molecular Signaling, Wake Forest University, Winston-Salem, North Carolina 27101, To whom correspondence should be addressed:
Center for Structural Biology, Dept. of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC 27157. Tel.:
336-716-7230; Fax:
336-713-1283; E-mail:
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31
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Detienne G, De Haes W, Mergan L, Edwards SL, Temmerman L, Van Bael S. Beyond ROS clearance: Peroxiredoxins in stress signaling and aging. Ageing Res Rev 2018; 44:33-48. [PMID: 29580920 DOI: 10.1016/j.arr.2018.03.005] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 03/21/2018] [Indexed: 12/12/2022]
Abstract
Antioxidants were long predicted to have lifespan-promoting effects, but in general this prediction has not been well supported. While some antioxidants do seem to have a clear effect on longevity, this may not be primarily as a result of their role in the removal of reactive oxygen species, but rather mediated by other mechanisms such as the modulation of intracellular signaling. In this review we discuss peroxiredoxins, a class of proteinaceous antioxidants with redox signaling and chaperone functions, and their involvement in regulating longevity and stress resistance. Peroxiredoxins have a clear role in the regulation of lifespan and survival of many model organisms, including the mouse, Caenorhabditis elegans and Drosophila melanogaster. Recent research on peroxiredoxins - in these models and beyond - has revealed surprising new insights regarding the interplay between peroxiredoxins and longevity signaling, which will be discussed here in detail. As redox signaling is emerging as a potentially important player in the regulation of longevity and aging, increased knowledge of these fascinating antioxidants and their mode(s) of action is paramount.
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Affiliation(s)
- Giel Detienne
- Department of Biology, KU Leuven, Naamsestraat 59, 3000 Leuven, Belgium.
| | - Wouter De Haes
- Department of Biology, KU Leuven, Naamsestraat 59, 3000 Leuven, Belgium.
| | - Lucas Mergan
- Department of Biology, KU Leuven, Naamsestraat 59, 3000 Leuven, Belgium.
| | - Samantha L Edwards
- Department of Biology, KU Leuven, Naamsestraat 59, 3000 Leuven, Belgium.
| | - Liesbet Temmerman
- Department of Biology, KU Leuven, Naamsestraat 59, 3000 Leuven, Belgium.
| | - Sven Van Bael
- Department of Biology, KU Leuven, Naamsestraat 59, 3000 Leuven, Belgium.
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Abstract
SIGNIFICANCE Peroxiredoxins (Prxs) are thiol peroxidases with multiple functions in the antioxidant defense and redox signaling network of the cell. Our progressing understanding assigns both local and global significance to plant Prxs, which are grouped in four Prx types. In plants they are localized to the cytosol, mitochondrion, plastid, and nucleus. Antioxidant defense is fundamentally connected to redox signaling, cellular communication, and acclimation. The thiol-disulfide network is central part of the stress sensing and processing response and integrates information input with redox regulation. Recent Advances: Prxs function both as redox sensory system within the network and redox-dependent interactors. The processes directly or indirectly targeted by Prxs include gene expression, post-transcriptional reactions, including translation, post-translational regulation, and switching or tuning of metabolic pathways, and other cell activities. The most advanced knowledge is available for the chloroplast 2-CysPrx wherein recently a solid interactome has been defined. An in silico analysis of protein structure and coexpression reinforces new insights into the 2-CysPrx functionality. CRITICAL ISSUES Up to now, Prxs often have been investigated for local properties of enzyme activity. In vitro and ex vivo work with mutants will reveal the ability of Prxs to interfere with multiple cellular components, including crosstalk with Ca2+-linked signaling pathways, hormone signaling, and protein homeostasis. FUTURE DIRECTIONS Complementation of the Prxs knockout lines with variants that mimic specific states, namely devoid of peroxidase activity, lacking the oligomerization ability, resembling the hyperoxidized decamer, or with truncated C-terminus, should allow dissecting the roles as thiol peroxidase, oxidant, interaction partner, and chaperone. Antioxid. Redox Signal. 28, 609-624.
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Affiliation(s)
- Michael Liebthal
- Department of Biochemistry and Physiology of Plants, Faculty of Biology, University of Bielefeld , Bielefeld, Germany
| | - Daniel Maynard
- Department of Biochemistry and Physiology of Plants, Faculty of Biology, University of Bielefeld , Bielefeld, Germany
| | - Karl-Josef Dietz
- Department of Biochemistry and Physiology of Plants, Faculty of Biology, University of Bielefeld , Bielefeld, Germany
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Haruyama T, Uchihashi T, Yamada Y, Kodera N, Ando T, Konno H. Negatively Charged Lipids Are Essential for Functional and Structural Switch of Human 2-Cys Peroxiredoxin II. J Mol Biol 2018; 430:602-610. [PMID: 29309753 DOI: 10.1016/j.jmb.2017.12.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 12/29/2017] [Accepted: 12/31/2017] [Indexed: 10/18/2022]
Abstract
The function of ubiquitous 2-Cys peroxiredoxins (Prxs) can be converted alternatively from peroxidases to molecular chaperones. This conversion has been reported to occur by the formation of high-molecular-weight (HMW) complexes upon overoxidation of or ATP/ADP binding to 2-Cys Prxs, but its mechanism is not well understood. Here, we show that upon binding to phosphatidylserine or phosphatidylglycerol dimeric human 2-Cys PrxII (hPrxII) is assembled to trefoil-shaped small oligomers (possibly hexamers) with full chaperone and null peroxidase activities. Spherical HMW complexes are formed, only when phosphatidylserine or phosphatidylglycerol is bound to overoxidized or ATP/ADP-bound hPrxII. The spherical HMW complexes are lipid vesicles covered with trefoil-shaped oligomers arranged in a hexagonal lattice pattern. Thus, these lipids with a net negative charge, which can be supplied by increased membrane trafficking under oxidative stress, are essential for the structural and functional switch of hPrxII and possibly most 2-Cys Prxs.
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Affiliation(s)
- Takamitsu Haruyama
- Bio-AFM Frontier Research Center, Kanazawa University, Kanazawa 920-1192, Japan
| | - Takayuki Uchihashi
- Bio-AFM Frontier Research Center, Kanazawa University, Kanazawa 920-1192, Japan; Department of Physics, Kanazawa University, Kanazawa 920-1192, Japan
| | - Yutaro Yamada
- Graduate School of Natural Science & Technology, Kanazawa University, Kanazawa 920-1192, Japan
| | - Noriyuki Kodera
- Bio-AFM Frontier Research Center, Kanazawa University, Kanazawa 920-1192, Japan
| | - Toshio Ando
- Bio-AFM Frontier Research Center, Kanazawa University, Kanazawa 920-1192, Japan.
| | - Hiroki Konno
- Bio-AFM Frontier Research Center, Kanazawa University, Kanazawa 920-1192, Japan.
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34
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Fu L, Liu K, Sun M, Tian C, Sun R, Morales Betanzos C, Tallman KA, Porter NA, Yang Y, Guo D, Liebler DC, Yang J. Systematic and Quantitative Assessment of Hydrogen Peroxide Reactivity With Cysteines Across Human Proteomes. Mol Cell Proteomics 2017; 16:1815-1828. [PMID: 28827280 DOI: 10.1074/mcp.ra117.000108] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Indexed: 01/23/2023] Open
Abstract
Protein cysteinyl residues are the mediators of hydrogen peroxide (H2O2)-dependent redox signaling. However, site-specific mapping of the selectivity and dynamics of these redox reactions in cells poses a major analytical challenge. Here we describe a chemoproteomic platform to systematically and quantitatively analyze the reactivity of thousands of cysteines toward H2O2 in human cells. We identified >900 H2O2-sensitive cysteines, which are defined as the H2O2-dependent redoxome. Although redox sites associated with antioxidative and metabolic functions are consistent, most of the H2O2-dependent redoxome varies dramatically between different cells. Structural analyses reveal that H2O2-sensitive cysteines are less conserved than their redox-insensitive counterparts and display distinct sequence motifs, structural features, and potential for crosstalk with lysine modifications. Notably, our chemoproteomic platform also provides an opportunity to predict oxidation-triggered protein conformational changes. The data are freely accessible as a resource at http://redox.ncpsb.org/OXID/.
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Affiliation(s)
- Ling Fu
- From the ‡State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Keke Liu
- From the ‡State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Mingan Sun
- §State Key Laboratory of Agrobiotechnology and School of Life Sciences, The Chinese University of Hong Kong, China
| | - Caiping Tian
- From the ‡State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Rui Sun
- From the ‡State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China.,¶State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, Center for New Drug Safety Evaluation and Research, China Pharmaceutical University, Nanjing 211198, China
| | - Carlos Morales Betanzos
- ‖Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - Keri A Tallman
- **Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37232
| | - Ned A Porter
- **Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37232
| | - Yong Yang
- ¶State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, Center for New Drug Safety Evaluation and Research, China Pharmaceutical University, Nanjing 211198, China
| | - Dianjing Guo
- §State Key Laboratory of Agrobiotechnology and School of Life Sciences, The Chinese University of Hong Kong, China
| | - Daniel C Liebler
- ‖Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - Jing Yang
- From the ‡State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China;
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35
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Wu J, Chen Y, Yu S, Li L, Zhao X, Li Q, Zhao J, Zhao Y. Neuroprotective effects of sulfiredoxin-1 during cerebral ischemia/reperfusion oxidative stress injury in rats. Brain Res Bull 2017; 132:99-108. [PMID: 28552673 DOI: 10.1016/j.brainresbull.2017.05.012] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Revised: 05/12/2017] [Accepted: 05/22/2017] [Indexed: 12/20/2022]
Abstract
As an endogenous antioxidant protein, Sulfiredoxin1 (Srxn1) can prevent cell oxidative stress damage. However, its role in cerebral ischemia/reperfusion (I/R) injury and the underlying signaling mechanisms remain largely unknown. Here, we explored effects of Srxn1 knockdown on oxidative stress using in vitro and in vivo I/R models and investigated related neuroprotective mechanisms. For in vitro studies, primary cortical neuronal cultures were transfected with an interfering lentivirus targeting Srxn1. Oxygen-glucose deprivation (OGD) was conducted after Srxn1 knockdown. MTS and lactate dehydrogenase assays indicated that knockdown of Srxn1 increased cell death and reduced cell viability. Similarly, superoxide dismutase (SOD) and reduced glutathionekits assays showed that knockdown of Srxn1 worsened oxidative stress injury. For in vivo studies, siRNA for Srxn1 or negative control siRNA was injected intracerebroventricularly 24h before middle cerebral artery occlusion (MCAO). Data shows silencing Srxn1 resulted in a significant increase in cerebral infarction, neurological deficits, histological injury, and oxidative stress injury 24h after ischemic stroke. Moreover, immunoblot analysis assessed the relationship between Srxn1 levels and Prdx1-4 as well as Prdx-SO3 activity both in vitro and in vivo models. We found that decreased Srxn1 reduced Prdx1-4 and enhanced Prdx-SO3 protein levels. In addition, knockdown of Nrf2 was performed; immunoblot analysis was used to measure Srxn1 and NQO1 protein levels. We further found that interference of Nrf2 reduced Srxn1 and NQO1 protein levels. In summary, Srxn1 can protect neurons from I/R oxidative stress injury and the mechanism involves Prdx activity. Srxn1, which might be downstream of Nrf2, can prevent cerebral ischemia reperfusion by reversing overoxidized Prdx and restoring antioxidant activity of Prdx.
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Affiliation(s)
- Jingxian Wu
- Department of Pathology, Chongqing Medical University, Chongqing 400016, PR China
| | - Yanlin Chen
- Department of Pathology, Chongqing Medical University, Chongqing 400016, PR China; The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Shanshan Yu
- Department of Pathology, Chongqing Medical University, Chongqing 400016, PR China
| | - Lingyu Li
- Department of Pathology, Chongqing Medical University, Chongqing 400016, PR China
| | - Xiujuan Zhao
- Neurology Center, University-Town Hospital of Chongqing Medical University, Chongqing 401331, PR China
| | - Qiong Li
- Department of Pathology, Chongqing Medical University, Chongqing 400016, PR China; Department of Pathology, Shapingba District People's Hospital, Chongqing 400030, PR China
| | - Jing Zhao
- Department of Pathophysiology, Chongqing Medical University, Chongqing 400016, PR China
| | - Yong Zhao
- Department of Pathology, Chongqing Medical University, Chongqing 400016, PR China.
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36
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Ledgerwood EC, Marshall JW, Weijman JF. The role of peroxiredoxin 1 in redox sensing and transducing. Arch Biochem Biophys 2017; 617:60-67. [DOI: 10.1016/j.abb.2016.10.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Revised: 10/06/2016] [Accepted: 10/14/2016] [Indexed: 12/11/2022]
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37
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Shi S, Guo Y, Lou Y, Li Q, Cai X, Zhong X, Li H. Sulfiredoxin involved in the protection of peroxiredoxins against hyperoxidation in the early hyperglycaemia. Exp Cell Res 2017; 352:273-280. [PMID: 28202395 DOI: 10.1016/j.yexcr.2017.02.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Revised: 02/10/2017] [Accepted: 02/11/2017] [Indexed: 01/22/2023]
Abstract
As a direct consequence of hyperglycaemia, the excessive generation of ROS is central to the pathogenesis of diabetic cardiomyopathy. We hypothesize that stimulation of high glucose (HG) results in an increased sulfiredoxin (Srx) expression, which regulates ROS signaling through reducing the hyperoxidized peroxiredoxins (Prxs). We show that hyperoxidized Prxs were initially reduced in the preliminary stage but then dramatically increased in advanced stage and these changes corresponded to a significant increase of Srx expression in the heart of diabetic rats. These time-dependent changes were also confirmed in neonatal cardiomyocytes and H9c2 cells treated with HG. Moreover, the reduction rate of hyperoxidized Prxs was greatly improved in the HG 24h group, which had an elevated expression of Srx. Our data also show that HG-induced AP1 activation and Srx expression were almost abolished by JNK inhibitor and N-acetylcysteine (NAC). In addition, siRNA-Srx suppressed HG-induced ANP and β-MHC gene expression. These observations suggest that activation of AP1 induced by HG is important for the expression of Srx and the reduction of hyperoxidized Prxs in cardiomyocytes. This Srx induction maybe is the pivotal compensatory protection mechanism against oxidative stress in diabetes or hyperglycaemia. Most interestingly, hyperoxidized Prxs/Srx pathway may be involved in the cardiac hypertrophy signaling of diabetes.
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Affiliation(s)
- Sa Shi
- Department of Pathophysiology, Harbin Medical University, Harbin 150081, China
| | - Yunqiu Guo
- Department of Histology and Embryology, Harbin Medical University, Harbin 150081, China
| | - Yanping Lou
- Department of Pathophysiology, Harbin Medical University, Harbin 150081, China
| | - Quanfeng Li
- Department of Pathophysiology, Harbin Medical University, Harbin 150081, China
| | - Xiaona Cai
- Department of Blood transfusion, Jiamusi Central Hospital, Jiamusi 154000, China
| | - Xin Zhong
- Department of Pathophysiology, Harbin Medical University, Harbin 150081, China.
| | - Hong Li
- Department of Pathophysiology, Harbin Medical University, Harbin 150081, China.
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38
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Abstract
Peroxiredoxins (Prxs) are a large and conserved family of peroxidases that are considered to be the primary cellular guardians against oxidative stress in all living organisms. Prxs share a thioredoxin fold and contain a highly-reactive peroxidatic cysteine in a specialised active-site environment that is able to reduce their peroxide substrates. The minimal functional unit for Prxs are either monomers or dimers, but many dimers assemble into decameric rings. Ring structures can further form a variety of high molecular weight complexes. Many eukaryotic Prxs contain a conserved GGLG and C-terminal YF motif that confer sensitivity to elevated levels of peroxide, leading to hyperoxidation and inactivation. Inactive forms of Prxs can be re-reduced by the enzyme sulfiredoxin, in an ATP-dependent reaction. Cycles of hyperoxidation and reactivation are considered to play an integral role in a variety of H2O2-mediated cell signalling pathways in both stress and non-stress conditions. Prxs are also considered to exhibit chaperone-like properties when cells are under oxidative or thermal stress. The roles of various types of covalent modifications, e.g. acetylation and phosphorylation are also discussed. The ability of Prxs to assemble into ordered arrays such as nanotubes is currently being exploited in nanotechnology.
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Affiliation(s)
- Zhenbo Cao
- Institute of Molecular, Cell and Systems Biology, Davidson Building, College of Medicine, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, UK
| | - John Gordon Lindsay
- Institute of Molecular, Cell and Systems Biology, Davidson Building, College of Medicine, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, UK.
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39
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Trzeciecka A, Klossowski S, Bajor M, Zagozdzon R, Gaj P, Muchowicz A, Malinowska A, Czerwoniec A, Barankiewicz J, Domagala A, Chlebowska J, Prochorec-Sobieszek M, Winiarska M, Ostaszewski R, Gwizdalska I, Golab J, Nowis D, Firczuk M. Dimeric peroxiredoxins are druggable targets in human Burkitt lymphoma. Oncotarget 2016; 7:1717-31. [PMID: 26636537 PMCID: PMC4811492 DOI: 10.18632/oncotarget.6435] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 11/16/2015] [Indexed: 11/25/2022] Open
Abstract
Burkitt lymphoma is a fast-growing tumor derived from germinal center B cells. It is mainly treated with aggressive chemotherapy, therefore novel therapeutic approaches are needed due to treatment toxicity and developing resistance. Disturbance of red-ox homeostasis has recently emerged as an efficient antitumor strategy. Peroxiredoxins (PRDXs) are thioredoxin-family antioxidant enzymes that scavenge cellular peroxides and contribute to red-ox homeostasis. PRDXs are robustly expressed in various malignancies and critically involved in cell proliferation, differentiation and apoptosis. To elucidate potential role of PRDXs in lymphoma, we studied their expression level in B cell-derived primary lymphoma cells as well as in cell lines. We found that PRDX1 and PRDX2 are upregulated in tumor B cells as compared with normal counterparts. Concomitant knockdown of PRDX1 and PRDX2 significantly attenuated the growth rate of lymphoma cells. Furthermore, in human Burkitt lymphoma cell lines, we isolated dimeric 2-cysteine peroxiredoxins as targets for SK053, a novel thiol-specific small-molecule peptidomimetic with antitumor activity. We observed that treatment of lymphoma cells with SK053 triggers formation of covalent PRDX dimers, accumulation of intracellular reactive oxygen species, phosphorylation of ERK1/2 and AKT and leads to cell cycle arrest and apoptosis. Based on site-directed mutagenesis and modeling studies, we propose a mechanism of SK053-mediated PRDX crosslinking, involving double thioalkylation of active site cysteine residues. Altogether, our results suggest that peroxiredoxins are novel therapeutic targets in Burkitt lymphoma and provide the basis for new approaches to the treatment of this disease.
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Affiliation(s)
- Anna Trzeciecka
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Szymon Klossowski
- Institute of Organic Chemistry, Polish Academy of Sciences, Warsaw, Poland
| | - Malgorzata Bajor
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Radoslaw Zagozdzon
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland.,Department of Bioinformatics, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland
| | - Pawel Gaj
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland
| | | | - Agata Malinowska
- Laboratory of Mass Spectrometry, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland
| | - Anna Czerwoniec
- Bioinformatics Laboratory, Institute of Molecular Biology and Biotechnology, Adam Mickiewicz University, Poznan, Poland
| | - Joanna Barankiewicz
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland.,Department of Hematology and Transfusion Medicine, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Antoni Domagala
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Justyna Chlebowska
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland.,Laboratory of Experimental Medicine, Center of New Technologies, University of Warsaw, Warsaw, Poland
| | - Monika Prochorec-Sobieszek
- Department of Diagnostic Hematology, Institute of Hematology and Transfusion Medicine, Warsaw, Poland.,Department of Pathology, Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland
| | | | | | | | - Jakub Golab
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Dominika Nowis
- Laboratory of Experimental Medicine, Center of New Technologies, University of Warsaw, Warsaw, Poland.,Genomic Medicine, Medical University of Warsaw, Warsaw, Poland
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40
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Blume LC, Patten T, Eldeeb K, Leone-Kabler S, Ilyasov AA, Keegan BM, O'Neal JE, Bass CE, Hantgan RR, Lowther WT, Selley DE, Howlett ALC. Cannabinoid Receptor Interacting Protein 1a Competition with β-Arrestin for CB1 Receptor Binding Sites. Mol Pharmacol 2016; 91:75-86. [PMID: 27895162 DOI: 10.1124/mol.116.104638] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Accepted: 11/23/2016] [Indexed: 01/11/2023] Open
Abstract
Cannabinoid receptor interacting protein 1a (CRIP1a) is a CB1 receptor (CB1R) distal C-terminal-associated protein that alters CB1R interactions with G-proteins. We tested the hypothesis that CRIP1a is capable of also altering CB1R interactions with β-arrestin proteins that interact with the CB1R at the C-terminus. Coimmunoprecipitation studies indicated that CB1R associates in complexes with either CRIP1a or β-arrestin, but CRIP1a and β-arrestin fail to coimmunoprecipitate with each other. This suggests a competition for CRIP1a and β-arrestin binding to the CB1R, which we hypothesized could attenuate the action of β-arrestin to mediate CB1R internalization. We determined that agonist-mediated reduction of the density of cell surface endogenously expressed CB1Rs was clathrin and dynamin dependent and could be modeled as agonist-induced aggregation of transiently expressed GFP-CB1R. CRIP1a overexpression attenuated CP55940-mediated GFP-CB1R as well as endogenous β-arrestin redistribution to punctae, and conversely, CRIP1a knockdown augmented β-arrestin redistribution to punctae. Peptides mimicking the CB1R C-terminus could bind to both CRIP1a in cell extracts as well as purified recombinant CRIP1a. Affinity pull-down studies revealed that phosphorylation at threonine-468 of a CB1R distal C-terminus 14-mer peptide reduced CB1R-CRIP1a association. Coimmunoprecipitation of CB1R protein complexes demonstrated that central or distal C-terminal peptides competed for the CB1R association with CRIP1a, but that a phosphorylated central C-terminal peptide competed for association with β-arrestin 1, and phosphorylated central or distal C-terminal peptides competed for association with β-arrestin 2. Thus, CRIP1a can compete with β-arrestins for interaction with C-terminal CB1R domains that could affect agonist-driven, β-arrestin-mediated internalization of the CB1R.
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Affiliation(s)
- Lawrence C Blume
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - Theresa Patten
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - Khalil Eldeeb
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - Sandra Leone-Kabler
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - Alexander A Ilyasov
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - Bradley M Keegan
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - Jeremy E O'Neal
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - Caroline E Bass
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - Roy R Hantgan
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - W Todd Lowther
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - Dana E Selley
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
| | - A Llyn C Howlett
- Department of Physiology and Pharmacology (L.C.B., T.P, K.E., S.L.-K., A.A.I., B.M.K., J.E.O., C.E.B., A.C.H.) and Department of Biochemistry and Center for Structural Biology (R.R.H., W.T.L.), Wake Forest University Health Sciences, Winston-Salem, North Carolina; Department of Chemistry (T.P.) and Center for Molecular Signaling (W.T.L., A.C.H.), Wake Forest University, Winston-Salem, North Carolina; Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia (D.E.S.); and AL Azhar Faculty of Medicine, New Damietta, Egypt (K.E.)
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41
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Kamariah N, Sek MF, Eisenhaber B, Eisenhaber F, Grüber G. Transition steps in peroxide reduction and a molecular switch for peroxide robustness of prokaryotic peroxiredoxins. Sci Rep 2016; 6:37610. [PMID: 27892488 PMCID: PMC5124861 DOI: 10.1038/srep37610] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 10/31/2016] [Indexed: 12/26/2022] Open
Abstract
In addition to their antioxidant function, the eukaryotic peroxiredoxins (Prxs) facilitate peroxide-mediated signaling by undergoing controlled inactivation by peroxide-driven over-oxidation. In general, the bacterial enzyme lacks this controlled inactivation mechanism, making it more resistant to high H2O2 concentrations. During peroxide reduction, the active site alternates between reduced, fully folded (FF), and oxidized, locally unfolded (LU) conformations. Here we present novel insights into the divergence of bacterial and human Prxs in robustness and sensitivity to inactivation, respectively. Structural details provide new insights into sub-steps during the catalysis of peroxide reduction, enabling the transition from an FF to a LU conformation. Complementary to mutational and enzymatic results, these data unravel the essential role of the C-terminal tail of bacterial Prxs to act as a molecular switch, mediating the transition from an FF to a LU state. In addition, we propose that the C-terminal tail has influence on the propensity of the disulphide bond formation, indicating that as a consequence on the robustness and sensitivity to over-oxidation. Finally, a physical linkage between the catalytic site, the C-terminal tail and the oligomer interface is described.
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Affiliation(s)
- Neelagandan Kamariah
- Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), 30 Biopolis Street, #07-01 Matrix, Singapore 138671, Republic of Singapore
| | - Mun Foong Sek
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Republic of Singapore
| | - Birgit Eisenhaber
- Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), 30 Biopolis Street, #07-01 Matrix, Singapore 138671, Republic of Singapore
| | - Frank Eisenhaber
- Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), 30 Biopolis Street, #07-01 Matrix, Singapore 138671, Republic of Singapore.,School of Computer Engineering, Nanyang Technological University (NTU), 50 Nanyang Drive, Singapore 637553, Republic of Singapore
| | - Gerhard Grüber
- Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), 30 Biopolis Street, #07-01 Matrix, Singapore 138671, Republic of Singapore.,School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Republic of Singapore
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Role of sulfiredoxin as a peroxiredoxin-2 denitrosylase in human iPSC-derived dopaminergic neurons. Proc Natl Acad Sci U S A 2016; 113:E7564-E7571. [PMID: 27821734 DOI: 10.1073/pnas.1608784113] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Recent studies have pointed to protein S-nitrosylation as a critical regulator of cellular redox homeostasis. For example, S-nitrosylation of peroxiredoxin-2 (Prx2), a peroxidase widely expressed in mammalian neurons, inhibits both enzymatic activity and protective function against oxidative stress. Here, using in vitro and in vivo approaches, we identify a role and reaction mechanism of the reductase sulfiredoxin (Srxn1) as an enzyme that denitrosylates (thus removing -SNO) from Prx2 in an ATP-dependent manner. Accordingly, by decreasing S-nitrosylated Prx2 (SNO-Prx2), overexpression of Srxn1 protects dopaminergic neural cells and human-induced pluripotent stem cell (hiPSC)-derived neurons from NO-induced hypersensitivity to oxidative stress. The pathophysiological relevance of this observation is suggested by our finding that SNO-Prx2 is dramatically increased in murine and human Parkinson's disease (PD) brains. Our findings therefore suggest that Srxn1 may represent a therapeutic target for neurodegenerative disorders such as PD that involve nitrosative/oxidative stress.
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43
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A 2-Cys peroxiredoxin in response to oxidative stress in the pine wood nematode, Bursaphelenchus xylophilus. Sci Rep 2016; 6:27438. [PMID: 27271000 PMCID: PMC4895224 DOI: 10.1038/srep27438] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Accepted: 05/12/2016] [Indexed: 12/11/2022] Open
Abstract
The pine wood nematode, Bursaphelenchus xylophilus, is the causal agent of pine wilt disease that has devastated pine forests in Asia. Parasitic nematodes are known to have evolved antioxidant stress responses that defend against host plant defenses. In this study, the infestation of whitebark pine, Pinus bungean, with B. xylophilus led to a significant increase in plant hydrogen peroxide (H2O2) and salicylic acid levels. Correspondingly, the expression of an antioxidative enzyme, 2-Cysteine peroxiredoxin (BxPrx), was elevated in B. xylophilus following the H2O2 treatments. Recombinant BxPrx, a thermal stabile and pH tolerant enzyme, exhibited high level of antioxidant activity against H2O2, suggesting that it is capable of protecting cells from free radical attacks. Immunohistochemical localization study showed that BxPrx was broadly expressed across different tissues and could be secreted outside the nematode. Finally, the number of BxPrx homologs in both dauer-like and fungi-feeding B. xylophilus were comparable based on bioinformatics analysis of existing EST libraries, indicating a potential role of BxPrx in both propagative and dispersal nematodes. These combined results suggest that BxPrx is a key genetic factor facilitating the infestation and distribution of B. xylophilus within pine hosts, and consequently the spread of pine wilt disease.
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Abstract
Capacitation is a series of morphological and metabolic changes necessary for the spermatozoon to achieve fertilizing ability. One of the earlier happenings during mammalian sperm capacitation is the production of reactive oxygen species (ROS) that will trigger and regulate a series of events including protein phosphorylation, in a time-dependent fashion. The identity of the sperm oxidase responsible for the production of ROS involved in capacitation is still elusive, and several candidates are discussed in this review. Interestingly, ROS-induced ROS formation has been described during human sperm capacitation. Redox signaling during capacitation is associated with changes in thiol groups of proteins located on the plasma membrane and subcellular compartments of the spermatozoon. Both, oxidation of thiols forming disulfide bridges and the increase on thiol content are necessary to regulate different sperm proteins associated with capacitation. Reducing equivalents such as NADH and NADPH are necessary to support capacitation in many species including humans. Lactate dehydrogenase, glucose-6-phospohate dehydrogenase, and isocitrate dehydrogenase are responsible in supplying NAD (P) H for sperm capacitation. Peroxiredoxins (PRDXs) are newly described enzymes with antioxidant properties that can protect mammalian spermatozoa; however, they are also candidates for assuring the regulation of redox signaling required for sperm capacitation. The dysregulation of PRDXs and of enzymes needed for their reactivation such as thioredoxin/thioredoxin reductase system and glutathione-S-transferases impairs sperm motility, capacitation, and promotes DNA damage in spermatozoa leading to male infertility.
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Affiliation(s)
- Cristian O'Flaherty
- Urology Research Laboratory, Surgery Department (Urology Division), Faculty of Medicine, McGill University; The Research Institute, McGill University Health Centre, Montréal, Québec, Canada
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45
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Fortilin potentiates the peroxidase activity of Peroxiredoxin-1 and protects against alcohol-induced liver damage in mice. Sci Rep 2016; 6:18701. [PMID: 26726832 PMCID: PMC4698670 DOI: 10.1038/srep18701] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Accepted: 11/24/2015] [Indexed: 01/06/2023] Open
Abstract
Fortilin, a pro-survival molecule, inhibits p53-induced apoptosis by binding to the
sequence-specific DNA-binding domain of the tumor suppressor protein and preventing
it from transcriptionally activating Bax. Intriguingly, fortilin protects cells
against ROS-induced cell death, independent of p53. The signaling pathway through
which fortilin protects cells against ROS-induced cell death, however, is unknown.
Here we report that fortilin physically interacts with the antioxidant enzyme
peroxiredoxin-1 (PRX1), protects it from proteasome-mediated degradation, and keeps
it enzymatically active by blocking its deactivating phosphorylation by Mst1, a
serine/threonine kinase. At the whole animal level, the liver-specific
overexpression of fortilin reduced PRX1 phosphorylation in the liver, enhanced PRX1
activity, and protected the transgenic animals against alcohol-induced,
ROS-mediated, liver damage. These data suggest the presence of a novel
oxidative-stress-handling pathway where the anti-p53 molecule fortilin augments the
peroxidase PRX1 by protecting it against degradation and inactivation of the enzyme.
Fortilin-PRX1 interaction in the liver could be clinically exploited further to
prevent acute alcohol-induced liver damage in humans.
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46
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Wu S, Tan SY, Ang CY, Luo Z, Zhao Y. Oxidation-triggered aggregation of gold nanoparticles for naked-eye detection of hydrogen peroxide. Chem Commun (Camb) 2016; 52:3508-11. [DOI: 10.1039/c5cc09447j] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A gold nanoparticle-based platform for naked-eye detection of H2O2 was realized by changing the surface hydrophilicity.
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Affiliation(s)
- Shaojue Wu
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Si Yu Tan
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Chung Yen Ang
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Zhong Luo
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
| | - Yanli Zhao
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Singapore
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47
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Poole LB, Nelson KJ. Distribution and Features of the Six Classes of Peroxiredoxins. Mol Cells 2016; 39:53-9. [PMID: 26810075 PMCID: PMC4749874 DOI: 10.14348/molcells.2016.2330] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2015] [Accepted: 12/09/2015] [Indexed: 12/03/2022] Open
Abstract
Peroxiredoxins are cysteine-dependent peroxide reductases that group into 6 different, structurally discernable classes. In 2011, our research team reported the application of a bioinformatic approach called active site profiling to extract active site-proximal sequence segments from the 29 distinct, structurally-characterized peroxiredoxins available at the time. These extracted sequences were then used to create unique profiles for the six groups which were subsequently used to search GenBank(nr), allowing identification of ∼3500 peroxiredoxin sequences and their respective subgroups. Summarized in this minireview are the features and phylogenetic distributions of each of these peroxiredoxin subgroups; an example is also provided illustrating the use of the web accessible, searchable database known as PREX to identify subfamily-specific peroxiredoxin sequences for the organism Vitis vinifera (grape).
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Affiliation(s)
- Leslie B. Poole
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC 27157,
USA
| | - Kimberly J. Nelson
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC 27157,
USA
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109,
USA
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48
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Brewer TF, Garcia FJ, Onak CS, Carroll KS, Chang CJ. Chemical approaches to discovery and study of sources and targets of hydrogen peroxide redox signaling through NADPH oxidase proteins. Annu Rev Biochem 2015; 84:765-90. [PMID: 26034893 DOI: 10.1146/annurev-biochem-060614-034018] [Citation(s) in RCA: 137] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Hydrogen peroxide (H2O2) is a prime member of the reactive oxygen species (ROS) family of molecules produced during normal cell function and in response to various stimuli, but if left unchecked, it can inflict oxidative damage on all types of biological macromolecules and lead to cell death. In this context, a major source of H2O2 for redox signaling purposes is the NADPH oxidase (Nox) family of enzymes, which were classically studied for their roles in phagocytic immune response but have now been found to exist in virtually all mammalian cell types in various isoforms with distinct tissue and subcellular localizations. Downstream of this tightly regulated ROS generation, site-specific, reversible covalent modification of proteins, particularly oxidation of cysteine thiols to sulfenic acids, represents a prominent posttranslational modification akin to phosphorylation as an emerging molecular mechanism for transforming an oxidant signal into a dynamic biological response. We review two complementary types of chemical tools that enable (a) specific detection of H2O2 generated at its sources and (b) mapping of sulfenic acid posttranslational modification targets that mediate its signaling functions, which can be used to study this important chemical signal in biological systems.
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49
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Nartey W, Basak S, Kamariah N, Manimekalai MSS, Robson S, Wagner G, Eisenhaber B, Eisenhaber F, Grüber G. NMR studies reveal a novel grab and release mechanism for efficient catalysis of the bacterial 2-Cys peroxiredoxin machinery. FEBS J 2015; 282:4620-38. [DOI: 10.1111/febs.13522] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Revised: 08/28/2015] [Accepted: 09/21/2015] [Indexed: 01/14/2023]
Affiliation(s)
- Wilson Nartey
- School of Biological Sciences; Nanyang Technological University; Singapore City Singapore
| | - Sandip Basak
- School of Biological Sciences; Nanyang Technological University; Singapore City Singapore
| | - Neelagandan Kamariah
- Bioinformatics Institute; Agency for Science; Technology and Research (A*STAR); Singapore City Singapore
| | | | - Scott Robson
- Department of Biological Chemistry and Molecular Pharmacology; Harvard Medical School; Boston MA USA
| | - Gerhard Wagner
- Department of Biological Chemistry and Molecular Pharmacology; Harvard Medical School; Boston MA USA
| | - Birgit Eisenhaber
- Bioinformatics Institute; Agency for Science; Technology and Research (A*STAR); Singapore City Singapore
| | - Frank Eisenhaber
- School of Biological Sciences; Nanyang Technological University; Singapore City Singapore
- School of Computer Engineering; Nanyang Technological University (NTU); Singapore City Singapore
- Department of Biological Sciences; National University of Singapore; Singapore
| | - Gerhard Grüber
- School of Biological Sciences; Nanyang Technological University; Singapore City Singapore
- Bioinformatics Institute; Agency for Science; Technology and Research (A*STAR); Singapore City Singapore
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50
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Lee EM, Lee SS, Tripathi BN, Jung HS, Cao GP, Lee Y, Singh S, Hong SH, Lee KW, Lee SY, Cho JY, Chung BY. Site-directed mutagenesis substituting cysteine for serine in 2-Cys peroxiredoxin (2-Cys Prx A) of Arabidopsis thaliana effectively improves its peroxidase and chaperone functions. ANNALS OF BOTANY 2015; 116:713-25. [PMID: 26141131 PMCID: PMC4577999 DOI: 10.1093/aob/mcv094] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 05/08/2015] [Indexed: 05/04/2023]
Abstract
BACKGROUND AND AIMS The 2-Cys peroxiredoxin (Prx) A protein of Arabidopsis thaliana performs the dual functions of a peroxidase and a molecular chaperone depending on its conformation and the metabolic conditions. However, the precise mechanism responsible for the functional switching of 2-Cys Prx A is poorly known. This study examines various serine-to-cysteine substitutions on α-helix regions of 2-Cys Prx A in Arabidopsis mutants and the effects they have on the dual function of the protein. METHODS Various mutants of 2-Cys Prx A were generated by replacing serine (Ser) with cysteine (Cys) at different locations by site-directed mutagenesis. The mutants were then over-expressed in Escherichia coli. The purified protein was further analysed by size exclusion chromatography, polyacrylamide gel electrophoresis, circular dichroism spectroscopy and transmission electron microscopy (TEM) and image analysis. Peroxidase activity, molecular chaperone activity and hydrophobicity of the proteins were also determined. Molecular modelling analysis was performed in order to demonstrate the relationship between mutation positions and switching of 2-Cys Prx A activity. KEY RESULTS Replacement of Ser(150) with Cys(150) led to a marked increase in holdase chaperone and peroxidase activities of 2-Cys Prx A, which was associated with a change in the structure of an important domain of the protein. Molecular modelling demonstrated the relationship between mutation positions and the switching of 2-Cys Prx A activity. Examination of the α2 helix, dimer-dimer interface and C-term loop indicated that the peroxidase function is associated with a fully folded α2 helix and easy formation of a stable reduced decamer, while a more flexible C-term loop makes the chaperone function less likely. CONCLUSIONS Substitution of Cys for Ser at amino acid location 150 of the α-helix of 2-Cys Prx A regulates/enhances the dual enzymatic functions of the 2-Cys Prx A protein. If confirmed in planta, this leads to the potential for it to be used to maximize the functional utility of 2-Cys Prx A protein for improved metabolic functions and stress resistance in plants.
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Affiliation(s)
- Eun Mi Lee
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup 580-185, Republic of Korea
| | - Seung Sik Lee
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup 580-185, Republic of Korea
| | - Bhumi Nath Tripathi
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup 580-185, Republic of Korea
| | - Hyun Suk Jung
- Department of Biochemistry, College of Natural Sciences, Kangwon National University, Chuncheon 200-701, Republic of Korea
| | - Guang Ping Cao
- Division of Applied Life Science (BK21 Program), Systems and Synthetic Agrobiotech Center (SSAC), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Research Institute of Natural Science (RINS), Gyeongsang National University, 501 Jinju-daero, Jinju 660-701, Republic of Korea and
| | - Yuno Lee
- Division of Applied Life Science (BK21 Program), Systems and Synthetic Agrobiotech Center (SSAC), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Research Institute of Natural Science (RINS), Gyeongsang National University, 501 Jinju-daero, Jinju 660-701, Republic of Korea and
| | - Sudhir Singh
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup 580-185, Republic of Korea
| | - Sung Hyun Hong
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup 580-185, Republic of Korea
| | - Keun Woo Lee
- Division of Applied Life Science (BK21 Program), Systems and Synthetic Agrobiotech Center (SSAC), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Research Institute of Natural Science (RINS), Gyeongsang National University, 501 Jinju-daero, Jinju 660-701, Republic of Korea and
| | - Sang Yeol Lee
- Division of Applied Life Science (BK21 Program), Systems and Synthetic Agrobiotech Center (SSAC), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Research Institute of Natural Science (RINS), Gyeongsang National University, 501 Jinju-daero, Jinju 660-701, Republic of Korea and
| | - Jae-Young Cho
- Department of Bioenvironmental Chemistry, Chonbuk National University, Jeonju 561-756, Republic of Korea
| | - Byung Yeoup Chung
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup 580-185, Republic of Korea,
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