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Lana MVG, Antunes F, Tessarollo NG, Strauss BE. Stable expression of shRNA for the control of recombinant adenovirus replication. Braz J Med Biol Res 2023; 56:e12682. [PMID: 37493770 PMCID: PMC10361640 DOI: 10.1590/1414-431x2023e12682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/24/2023] [Indexed: 07/27/2023] Open
Abstract
Preventing the replication of adenovirus could have practical uses, such as controlling infection with wild-type virus or in applications involving recombinant vectors. Mainly transient methods have been used to inhibit adenovirus replication, including siRNA or drugs. Here, we tested whether stable expression of shRNA designed to target hexon, Iva2, or pol can inhibit the replication of a recombinant adenoviral vector, Ad-LacZ (serotype 5, E1/E3 deleted), in 293T cells. Significant knockdown correlating with reduced Ad-LacZ replication was achieved only when hexon was targeted. Cell sorting and isolation of cellular clones further accentuated knockdown of the hexon transcript, reduced protein levels by more than 90%, and diminished adenovirus production. As visualized by transmission electron microscopy, the cellular clone expressing the hexon-specific shRNA yielded 89.2% fewer particles compared to the parental 293T cells. Full scale production followed by purification revealed a 90.2% reduction in Ad-LacZ biological titer. These results support the notion that stable expression of shRNA can be used as a means to control adenovirus replication.
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Affiliation(s)
- M V G Lana
- Laboratório de Vetores Virais, Centro de Investigação Translacional em Oncologia/CTO/LIM24, Instituto do Câncer do Estado de São Paulo, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - F Antunes
- Laboratório de Vetores Virais, Centro de Investigação Translacional em Oncologia/CTO/LIM24, Instituto do Câncer do Estado de São Paulo, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - N G Tessarollo
- Laboratório de Vetores Virais, Centro de Investigação Translacional em Oncologia/CTO/LIM24, Instituto do Câncer do Estado de São Paulo, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
- Laboratório de Bioinformática e Biologia Computacional, Instituto Nacional do Câncer, Ministério da Saúde, Rio de Janeiro, RJ, Brasil
| | - B E Strauss
- Laboratório de Vetores Virais, Centro de Investigação Translacional em Oncologia/CTO/LIM24, Instituto do Câncer do Estado de São Paulo, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
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2
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Antunes F, Brito P. Data Processing to Probe the Cellular Hydrogen Peroxide Landscape. Methods Mol Biol 2022; 2385:153-160. [PMID: 34888720 DOI: 10.1007/978-1-0716-1767-0_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Hydrogen peroxide (H2O2) regulates signaling pathways by modulating the activity of redox-sensitive proteins denominated redox switches. The magnitude of the transient variations in localized H2O2 pools during signaling events and how these variations impact redox switches present in the cell remain elusive. A canonical model with two chemical reactions comprising the oxidation/reduction cycle of a redox switch is described. The model is dimensionless with respect to the redox switch concentration. Thus, the time-series data required to apply the equations deduced is the percentage of oxidation of a redox switch, avoiding the application of absolute concentrations that are often difficult to measure experimentally. Here, we describe detailed protocols for the processing of experimental data with the canonical model to probe the absolute concentrations of H2O2 found in the vicinity of redox switches and probes, as well as the kinetic parameters that describe the reduction and oxidation of redox switches. The protocols are an analytical tool that helps to depict the cellular hydrogen peroxide signaling landscape, giving new insights on H2O2 signaling mechanisms, and hold the potential to be a framework for a future redox kinetomics analytical platform.
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Affiliation(s)
- Fernando Antunes
- Departamento de Química e Bioquímica and Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal.
| | - Paula Brito
- Departamento de Microbiologia e Imunologia and iMED.ULisboa, Faculdade de Farmácia, Universidade de Lisboa, Lisbon, Portugal
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3
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Batista M, Pinto ML, Antunes F, Pires J, Carvalho S. Chitosan Biocomposites for the Adsorption and Release of H 2S. Materials (Basel) 2021; 14:ma14216701. [PMID: 34772227 PMCID: PMC8587643 DOI: 10.3390/ma14216701] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/02/2021] [Accepted: 11/04/2021] [Indexed: 11/18/2022]
Abstract
The search for H2S donors has been increasing due to the multiple therapeutic effects of the gas. However, the use of nanoporous materials has not been investigated despite their potential. Zeolites and activated carbons are known as good gas adsorbents and their modification with chitosan may increase the material biocompatibility and simultaneously its release time in aqueous solution, thus making them good H2S donors. Herein, we modified with chitosan a series of A zeolites (3A, 4A and 5A) with different pore sizes and an activated carbon obtained from glycerin. The amount of H2S adsorbed was evaluated by a volumetric method and their release capacity in aqueous solution was measured. These studies aimed to verify which of the materials had appropriate H2S adsorption/release properties to be considered a potential H2S donor. Additionally, cytotoxicity assays using HeLa cells were performed. Considering the obtained results, the chitosan composite with the A zeolite with the larger pore opening was the most promising material to be used as a H2S donor so a further cytotoxicity assay using H2S loaded was conducted and no toxicity was observed.
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Affiliation(s)
- Mary Batista
- Centro de Química Estrutural, Faculdade de Ciências da Universidade de Lisboa, 1749-016 Lisboa, Portugal; (M.B.); (F.A.)
| | - Moisés L. Pinto
- CERENA, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal;
| | - Fernando Antunes
- Centro de Química Estrutural, Faculdade de Ciências da Universidade de Lisboa, 1749-016 Lisboa, Portugal; (M.B.); (F.A.)
| | - João Pires
- Centro de Química Estrutural, Faculdade de Ciências da Universidade de Lisboa, 1749-016 Lisboa, Portugal; (M.B.); (F.A.)
- Correspondence: (J.P.); (S.C.); Tel.: +351-217500903 (J.P.); +351-21750000 (S.C.)
| | - Silvia Carvalho
- Centro de Química Estrutural, Faculdade de Ciências da Universidade de Lisboa, 1749-016 Lisboa, Portugal; (M.B.); (F.A.)
- CERENA, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal;
- Correspondence: (J.P.); (S.C.); Tel.: +351-217500903 (J.P.); +351-21750000 (S.C.)
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4
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Rodrigues Fonseca R, Antunes F, Lains Mota R, Batista Santos F. PD-L1 expression in renal cell carcinoma with rhabdoid/sarcomatoid features. EUR UROL SUPPL 2021. [DOI: 10.1016/s2666-1683(21)03156-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Pinto RV, Carvalho S, Antunes F, Pires J, Pinto ML. Emerging Nitric Oxide and Hydrogen Sulfide Releasing Carriers for Skin Wound Healing Therapy. ChemMedChem 2021; 17:e202100429. [PMID: 34714595 DOI: 10.1002/cmdc.202100429] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 10/26/2021] [Indexed: 12/19/2022]
Abstract
Nitric oxide (NO) and hydrogen sulfide (H2 S) have been recognized as important signalling molecules involved in multiple physiological functions, including wound healing. Their exogenous delivery has been established as a new route for therapies, being the topical application the nearest to commercialization. Nevertheless, the gaseous nature of these therapeutic agents and their toxicity at high levels imply additional challenges in the design of effective delivery systems, including the tailoring of their morphology and surface chemistry to get controllable release kinetics and suitable lifetimes. This review highlights the increasing interest in the use of these gases in wound healing applications by presenting the various potential strategies in which NO and/or H2 S are the main therapeutic agents, with focus on their conceptual design, release behaviour and therapeutic performance. These strategies comprise the application of several types of nanoparticles, polymers, porous materials, and composites as new releasing carriers of NO and H2 S, with characteristics that will facilitate the application of these molecules in the clinical practice.
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Affiliation(s)
- Rosana V Pinto
- CERENA-Centro de Recursos Naturais e Ambiente, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001, Lisboa, Portugal.,CQE-Ciências-Centro de Química Estrutural, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande 16, 1749-016, Lisboa, Portugal
| | - Sílvia Carvalho
- CERENA-Centro de Recursos Naturais e Ambiente, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001, Lisboa, Portugal.,CQE-Ciências-Centro de Química Estrutural, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande 16, 1749-016, Lisboa, Portugal
| | - Fernando Antunes
- CQE-Ciências-Centro de Química Estrutural, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande 16, 1749-016, Lisboa, Portugal
| | - João Pires
- CQE-Ciências-Centro de Química Estrutural, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande 16, 1749-016, Lisboa, Portugal
| | - Moisés L Pinto
- CERENA-Centro de Recursos Naturais e Ambiente, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001, Lisboa, Portugal
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6
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Fernandes S, Nogueira V, Antunes F, Lopes I, Pereira R. Studying the toxicity of SLE nS-LAS micelles to collembolans and plants: Influence of ethylene oxide units in the head groups. J Hazard Mater 2020; 394:122522. [PMID: 32200241 DOI: 10.1016/j.jhazmat.2020.122522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 03/09/2020] [Accepted: 03/10/2020] [Indexed: 06/10/2023]
Abstract
Mixed micelles of linear alkylbenzene sulfonic acid (LAS) and ether sulfate-based surfactants (SLEnS) can be added in household products and cleaning agents. SLEnS with higher ethylene oxide (EO) units in the head groups have economic and environmental advantages. This work aims to assess the influence of the number of EO units in the ecotoxicity of seven variants of SLEnS-LAS micelles (0-50 EO units) in soils. Ecotoxicological tests were carried out to assess emergence and growth of four plants species and reproduction of collembolans. Most of the variants inhibited plants growth at the highest concentrations (1237.5 μg SLEnS kg-1 of soildw). For reproduction, lower number of EO units resulted in EC50 from 924.2 (95 % CL: 760.7-1063.4) to 963.2 (95 % CL: 676.9-1249.6) μg SLEnS kg-1 of soildw, whereas for higher number of EO units (50 and 30) no inhibition was reported. Based on these results, we suggest that a higher number of EO units contribute to less hazardous formulations, confirming that different designs of surfactants may contribute to changes in the responses of terrestrial organisms. Therefore, we demonstrate that standardized ecotoxicological assays may contribute to more sustainable and effective formulations, when used upstream, prior to manufacture and marketing.
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Affiliation(s)
- S Fernandes
- GreenUPorto - Sustainable Agrifood Production Research Center and Department of Biology, Faculty of Science, University of Porto, Rua do Campo Alegre s/n, Porto, Portugal.
| | - V Nogueira
- CIIMAR - Interdisciplinary Centre of Marine and Environmental Research and Department of Biology, Faculty of Science, University of Porto, Rua do Campo Alegre s/n, Porto, Portugal
| | - F Antunes
- Department of Chemical Engineering & Chemical Process Engineering and Forest Products Research Centre (CIEPQPF), University of Coimbra, Coimbra, Portugal
| | - I Lopes
- Department of Biology & CESAM, University of Aveiro, Campus de Santiago, Aveiro, Portugal
| | - R Pereira
- GreenUPorto - Sustainable Agrifood Production Research Center and Department of Biology, Faculty of Science, University of Porto, Rua do Campo Alegre s/n, Porto, Portugal
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V. Pinto R, Antunes F, Pires J, Silva-Herdade A, Pinto ML. A Comparison of Different Approaches to Quantify Nitric Oxide Release from NO-Releasing Materials in Relevant Biological Media. Molecules 2020; 25:molecules25112580. [PMID: 32498254 PMCID: PMC7321377 DOI: 10.3390/molecules25112580] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/25/2020] [Accepted: 05/29/2020] [Indexed: 01/08/2023]
Abstract
The development of solid materials that deliver nitric oxide (NO) are of interest for several therapeutic applications. Nevertheless, due to NO’s reactive nature, rapid diffusion and short half-life, reporting their NO delivery characteristics is rather complex. The full knowledge of this parameter is fundamental to discuss the therapeutic utility of these materials, and thus, the NO quantification strategy must be carefully considered according to the NO-releasing scaffold type, to the expected NO-releasing amounts and to the medium of quantification. In this work, we explore and discuss three different ways of quantifying the release of NO in different biological fluids: haemoglobin assay, Griess assay and NO electrochemical detection. For these measurements, different porous materials, namely zeolites and titanosilicates were used as models for NO-releasing platforms. The oxyhaemoglobin assay offers great sensitivity (nanomolar levels), but it is only possible to monitor the NO release while oxyhaemoglobin is not fully converted. On the other hand, Griess assay has low sensitivity in complex biological media, namely in blood, and interferences with media make NO measurements questionable. Nevertheless, this method can measure micromolar amounts of NO and may be useful for an initial screening for long-term release performance. The electrochemical sensor enabled real-time measurements in a variety of biological settings. However, measured NO is critically low in oxygenated and complex media, giving transient signals, which makes long-term quantification impossible. Despite the disadvantages of each method, the combination of all the results provided a more comprehensive NO release profile for these materials, which will help to determine which formulations are most promising for specific therapeutic applications. This study highlights the importance of using appropriate NO quantification tools to provide accurate reports.
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Affiliation(s)
- Rosana V. Pinto
- CERENA. Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal;
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal; (F.A.); (J.P.)
| | - Fernando Antunes
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal; (F.A.); (J.P.)
| | - João Pires
- Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal; (F.A.); (J.P.)
| | - Ana Silva-Herdade
- Instituto de Bioquímica, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisboa, Portugal;
| | - Moisés L. Pinto
- CERENA. Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal;
- Correspondence:
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Pinto RV, Wang S, Tavares SR, Pires J, Antunes F, Vimont A, Clet G, Daturi M, Maurin G, Serre C, Pinto ML. Tuning Cellular Biological Functions Through the Controlled Release of NO from a Porous Ti‐MOF. Angew Chem Int Ed Engl 2020; 59:5135-5143. [DOI: 10.1002/anie.201913135] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Indexed: 01/06/2023]
Affiliation(s)
- Rosana V. Pinto
- CERENA.Departamento de Engenharia QuímicaInstituto Superior TécnicoUniversidade de Lisboa 1049-001 Lisboa Portugal
- Centro de Química e Bioquímica e CQEFaculdade de CiênciasUniversidade de Lisboa 1749-016 Lisboa Portugal
| | - Sujing Wang
- Institut des Matériaux Poreux de Paris, UMR 8004 CNRSEcole Normale SupérieureEcole Supérieure de Physique et de Chimie Industrielles de ParisPSL University 75005 Paris France
- Current address: Hefei National Laboratory for Physical Sciences at the MicroscaleUniversity of Science and Technology of China Hefei China
| | - Sergio R. Tavares
- Institut Charles Gerhardt Montpellier UMR 5253 CNRSUniversité de Montpellier Place E. Bataillon 34095 Montpellier Cedex 05 France
| | - João Pires
- Centro de Química e Bioquímica e CQEFaculdade de CiênciasUniversidade de Lisboa 1749-016 Lisboa Portugal
| | - Fernando Antunes
- Centro de Química e Bioquímica e CQEFaculdade de CiênciasUniversidade de Lisboa 1749-016 Lisboa Portugal
| | - Alexandre Vimont
- Normandie Univ, ENSICAENUNICAENCNRSLaboratoire Catalyse et Spectrochimie 14000 Caen France
| | - Guillaume Clet
- Normandie Univ, ENSICAENUNICAENCNRSLaboratoire Catalyse et Spectrochimie 14000 Caen France
| | - Marco Daturi
- Normandie Univ, ENSICAENUNICAENCNRSLaboratoire Catalyse et Spectrochimie 14000 Caen France
| | - Guillaume Maurin
- Institut Charles Gerhardt Montpellier UMR 5253 CNRSUniversité de Montpellier Place E. Bataillon 34095 Montpellier Cedex 05 France
| | - Christian Serre
- Institut des Matériaux Poreux de Paris, UMR 8004 CNRSEcole Normale SupérieureEcole Supérieure de Physique et de Chimie Industrielles de ParisPSL University 75005 Paris France
| | - Moisés L. Pinto
- CERENA.Departamento de Engenharia QuímicaInstituto Superior TécnicoUniversidade de Lisboa 1049-001 Lisboa Portugal
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Chantereau G, Sharma M, Abednejad A, Vilela C, Costa E, Veiga M, Antunes F, Pintado M, Sèbe G, Coma V, Freire M, Freire C, Silvestre A. Bacterial nanocellulose membranes loaded with vitamin B-based ionic liquids for dermal care applications. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112547] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Pinto RV, Wang S, Tavares SR, Pires J, Antunes F, Vimont A, Clet G, Daturi M, Maurin G, Serre C, Pinto ML. Tuning Cellular Biological Functions Through the Controlled Release of NO from a Porous Ti‐MOF. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913135] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Rosana V. Pinto
- CERENA.Departamento de Engenharia QuímicaInstituto Superior TécnicoUniversidade de Lisboa 1049-001 Lisboa Portugal
- Centro de Química e Bioquímica e CQEFaculdade de CiênciasUniversidade de Lisboa 1749-016 Lisboa Portugal
| | - Sujing Wang
- Institut des Matériaux Poreux de Paris, UMR 8004 CNRSEcole Normale SupérieureEcole Supérieure de Physique et de Chimie Industrielles de ParisPSL University 75005 Paris France
- Current address: Hefei National Laboratory for Physical Sciences at the MicroscaleUniversity of Science and Technology of China Hefei China
| | - Sergio R. Tavares
- Institut Charles Gerhardt Montpellier UMR 5253 CNRSUniversité de Montpellier Place E. Bataillon 34095 Montpellier Cedex 05 France
| | - João Pires
- Centro de Química e Bioquímica e CQEFaculdade de CiênciasUniversidade de Lisboa 1749-016 Lisboa Portugal
| | - Fernando Antunes
- Centro de Química e Bioquímica e CQEFaculdade de CiênciasUniversidade de Lisboa 1749-016 Lisboa Portugal
| | - Alexandre Vimont
- Normandie Univ, ENSICAENUNICAENCNRSLaboratoire Catalyse et Spectrochimie 14000 Caen France
| | - Guillaume Clet
- Normandie Univ, ENSICAENUNICAENCNRSLaboratoire Catalyse et Spectrochimie 14000 Caen France
| | - Marco Daturi
- Normandie Univ, ENSICAENUNICAENCNRSLaboratoire Catalyse et Spectrochimie 14000 Caen France
| | - Guillaume Maurin
- Institut Charles Gerhardt Montpellier UMR 5253 CNRSUniversité de Montpellier Place E. Bataillon 34095 Montpellier Cedex 05 France
| | - Christian Serre
- Institut des Matériaux Poreux de Paris, UMR 8004 CNRSEcole Normale SupérieureEcole Supérieure de Physique et de Chimie Industrielles de ParisPSL University 75005 Paris France
| | - Moisés L. Pinto
- CERENA.Departamento de Engenharia QuímicaInstituto Superior TécnicoUniversidade de Lisboa 1049-001 Lisboa Portugal
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Rodrigues C, Pimpão C, Mósca AF, Coxixo AS, Lopes D, da Silva IV, Pedersen PA, Antunes F, Soveral G. Human Aquaporin-5 Facilitates Hydrogen Peroxide Permeation Affecting Adaption to Oxidative Stress and Cancer Cell Migration. Cancers (Basel) 2019; 11:cancers11070932. [PMID: 31277235 PMCID: PMC6678198 DOI: 10.3390/cancers11070932] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 06/28/2019] [Accepted: 07/02/2019] [Indexed: 12/30/2022] Open
Abstract
Reactive oxygen species (ROS), including H2O2, contribute to oxidative stress and may cause cancer initiation and progression. However, at low concentrations, H2O2 can regulate signaling pathways modulating cell growth, differentiation, and migration. A few mammalian aquaporins (AQPs) facilitate H2O2 diffusion across membranes and participate in tumorigenesis. AQP3 and AQP5 are strongly expressed in cancer tissues and AQP3-mediated H2O2 transport has been related to breast cancer cell migration, but studies with human AQP5 are lacking. Here, we report that, in addition to its established water permeation capacity, human AQP5 facilitates transmembrane H2O2 diffusion and modulates cell growth of AQP5-transformed yeast cells in response to oxidative stress. Mutagenesis studies revealed that residue His173 located in the selective filter is crucial for AQP5 permeability, and interactions with phosphorylated Ser183 may regulate permeation through pore blockage. Moreover, in human pancreatic cancer cells, the measured AQP5-mediated H2O2 influx rate indicates the presence of a highly efficient peroxiporin activity. Cell migration was similarly suppressed by AQP3 or AQP5 gene silencing and could be recovered by external oxidative stimuli. Altogether, these results unveiled a major role for AQP5 in dynamic fine-tuning of the intracellular H2O2 concentration, and consequently in activating signaling networks related to cell survival and cancer progression, highlighting AQP5 as a promising drug target for cancer therapies.
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Affiliation(s)
- Claudia Rodrigues
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Department of Biochemistry and Human Biology, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Catarina Pimpão
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Department of Biochemistry and Human Biology, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Andreia F Mósca
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Department of Biochemistry and Human Biology, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Ana S Coxixo
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Department of Biochemistry and Human Biology, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Duarte Lopes
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Department of Biochemistry and Human Biology, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Inês Vieira da Silva
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
- Department of Biochemistry and Human Biology, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Per Amstrup Pedersen
- Department of Biology, University of Copenhagen, Universitetsparken 13, DK-2100 Copenhagen OE, Denmark
| | - Fernando Antunes
- Centro de Química e Bioquímica, Centro de Química Estrutural e Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
| | - Graça Soveral
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal.
- Department of Biochemistry and Human Biology, Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal.
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Pinto RV, Fernandes AC, Antunes F, Lin Z, Rocha J, Pires J, Pinto ML. New generation of nitric oxide-releasing porous materials: Assessment of their potential to regulate biological functions. Nitric Oxide 2019; 90:29-36. [PMID: 31154004 DOI: 10.1016/j.niox.2019.05.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/22/2019] [Accepted: 05/28/2019] [Indexed: 12/17/2022]
Abstract
Nitric oxide (NO) presents innumerable biological roles, and its exogenous supplementation for therapeutic purposes has become a necessity. Some nanoporous materials proved to be potential vehicles for NO with high storage capacity. However, there is still a lack of information about their efficiency to release controlled NO and if they are biocompatible and biologically stable. In this work, we address this knowledge gap starting by evaluating the NO release and stability under biological conditions and their toxicity with primary keratinocyte cells. Titanosilicates (ETS-4 and ETS-10 types) and clay-based materials were the materials under study, which have shown in previous studies suitable NO gas adsorption/release rates. ETS-4 proved to be the most promising material, combining good biocompatibility at 180 μg/mL, stability and slower NO release. ETS-10 and ETAS-10 showed the best biocompatibility at the same concentration and, in the case of clay-based materials, CoOS is the least toxic of those tested and the one that releases the highest NO amount. The potentiality of these new NO donors to regulate biological functions was assessed next by controlling the mitochondrial respiration and the cell migration. NO-loaded ETS-4 regulates O2 consumption and cell migration in a dose-dependent manner. For cell migration, a biphasic effect was observed in a narrow range of ETS-4 concentration, with a stimulatory effect becoming inhibitory just by doubling ETS-4 concentration. For the other materials, no effective regulation was achieved, which highlights the relevance of the new assessment presented in this work for nanoporous NO carriers that will pave the way for further developments.
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Affiliation(s)
- Rosana V Pinto
- CERENA, Department of Chemical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001, Lisbon, Portugal; CQB and CQE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Lisbon, Ed. C8, Campo Grande, 1749-016, Lisbon, Portugal
| | - Ana C Fernandes
- CQB and CQE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Lisbon, Ed. C8, Campo Grande, 1749-016, Lisbon, Portugal
| | - Fernando Antunes
- CQB and CQE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Lisbon, Ed. C8, Campo Grande, 1749-016, Lisbon, Portugal
| | - Zhi Lin
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - João Rocha
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - João Pires
- CQB and CQE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Lisbon, Ed. C8, Campo Grande, 1749-016, Lisbon, Portugal
| | - Moisés L Pinto
- CERENA, Department of Chemical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001, Lisbon, Portugal.
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Lyublinskaya O, Antunes F. Measuring intracellular concentration of hydrogen peroxide with the use of genetically encoded H 2O 2 biosensor HyPer. Redox Biol 2019; 24:101200. [PMID: 31030065 PMCID: PMC6482347 DOI: 10.1016/j.redox.2019.101200] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 04/10/2019] [Accepted: 04/11/2019] [Indexed: 12/18/2022] Open
Abstract
In this study, we propose a method for quantification of average hydrogen peroxide concentration within a living cell that is based on the use of genetically encoded H2O2 biosensor HyPer. The method utilizes flow cytometric measurements of HyPer fluorescence in H2O2-exposed cells to analyze the biosensor oxidation kinetics. Fitting the experimental curves with kinetic equations allows determining the rate constants of HyPer oxidation/reduction which are used further for the calculation of peroxide concentrations in the cells of interest both in the presence and absence of external H2O2. Applying this method to K562 cells, we have estimated the gradient as about 390-fold between the extracellular and intracellular level of exogenous H2O2 in cells exposed to the micromole doses of peroxide, as well as the average basal level of H2O2 in the cytosol of undisturbed cells ([H2O2]basal=2.2±0.4nM). The method can be extended to other H2O2-sensitive redox probes or to procedures in which, rather than adding external peroxide, intracellular production of peroxide is triggered, providing a tool to quantitate not only basal average H2O2 concentrations but also the concentration of peroxide build up in the vicinity of redox probes.
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Affiliation(s)
- Olga Lyublinskaya
- Department of Intracellular Signaling and Transport, Institute of Cytology, Russian Academy of Sciences, St.Petersburg, Russia.
| | - Fernando Antunes
- Departamento de Química e Bioquímica, Centro de Química e Bioquímica, Centro de Química Estrutural, Faculdade de Ciências, Universidade de Lisboa, P-1749-016 Lisbon, Portugal.
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14
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Domènech A, Ayté J, Antunes F, Hidalgo E. Using in vivo oxidation status of one- and two-component redox relays to determine H 2O 2 levels linked to signaling and toxicity. BMC Biol 2018; 16:61. [PMID: 29859088 PMCID: PMC5984441 DOI: 10.1186/s12915-018-0523-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 04/27/2018] [Indexed: 11/16/2022] Open
Abstract
Background Hydrogen peroxide (H2O2) is generated as a by-product of metabolic reactions during oxygen use by aerobic organisms, and can be toxic or participate in signaling processes. Cells, therefore, need to be able to sense and respond to H2O2 in an appropriate manner. This is often accomplished through thiol switches: Cysteine residues in proteins that can act as sensors, and which are both scarce and finely tuned. Bacteria and eukaryotes use different types of such sensors—either a one-component (OxyR) or two-component (Pap1-Tpx1) redox relay, respectively. However, the biological significance of these two different signaling modes is not fully understood, and the concentrations and peroxides driving those types of redox cascades have not been determined, nor the intracellular H2O2 levels linked to toxicity. Here we elucidate the characteristics, rates, and dynamic ranges of both systems. Results By comparing the activation of both systems in fission yeast, and applying mathematical equations to the experimental data, we estimate the toxic threshold of intracellular H2O2 able to halt aerobic growth, and the temporal gradients of extracellular to intracellular peroxides. By calculating both the oxidation rates of OxyR and Tpx1 by peroxides, and their reduction rates by the cellular redoxin systems, we propose that, while Tpx1 is a sensor and an efficient H2O2 scavenger because it displays fast oxidation and reduction rates, OxyR is strictly a H2O2 sensor, since its reduction kinetics are significantly slower than its oxidation by peroxides, and therefore, it remains oxidized long enough to execute its transcriptional role. We also show that these two paradigmatic H2O2-sensing models are biologically similar at pre-toxic peroxide levels, but display strikingly different activation behaviors at toxic doses. Conclusions Both Tpx1 and OxyR contain thiol switches, with very high reactivity towards peroxides. Nevertheless, the fast reduction of Tpx1 defines it as a scavenger, and this efficient recycling dramatically changes the Tpx1-Pap1 response to H2O2 and connects H2O2 sensing to the redox state of the cell. In contrast, OxyR is a true H2O2 sensor but not a scavenger, being partially insulated from the cellular electron donor capacity. Electronic supplementary material The online version of this article (10.1186/s12915-018-0523-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alba Domènech
- Department of Experimental and Health Sciences, Universitat Pompeu Fabra, C/ Dr. Aiguader 88, 08003, Barcelona, Spain
| | - José Ayté
- Department of Experimental and Health Sciences, Universitat Pompeu Fabra, C/ Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Fernando Antunes
- Departamento de Química e Bioquímica and Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal.
| | - Elena Hidalgo
- Department of Experimental and Health Sciences, Universitat Pompeu Fabra, C/ Dr. Aiguader 88, 08003, Barcelona, Spain.
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15
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Antunes F, Pereira GJ, Jasiulionis MG, Bincoletto C, Smaili SS. Nutritional shortage augments cisplatin-effects on murine melanoma cells. Chem Biol Interact 2017; 281:89-97. [PMID: 29273566 DOI: 10.1016/j.cbi.2017.12.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 11/25/2017] [Accepted: 12/18/2017] [Indexed: 01/06/2023]
Abstract
Melanoma incidence increases every year worldwide and is responsible for 80% of skin cancer deaths. Due to its metastatic potential and resistance to almost any treatments such as chemo, radio, immune and targeted-therapy, the patients still have a poor prognosis, especially at metastatic stage. Considering that, it is crucial to find new therapeutic approaches to overcome melanoma resistance. Here we investigated the effect of cisplatin (CDDP), one of the chemotherapeutic agents used for melanoma treatment, in association with nutritional deprivation in murine melanoma cell lines. Cell death and autophagy were evaluated after the treatment with cisplatin, nutritional deprivation and its association using an in vitro model of murine melanocytes malignant transformation to metastatic melanoma. Our results showed that nutritional deprivation augmented cell death induced by cisplatin in melanoma cells, especially at the metastatic subtype, with slight effects on melanocytes. Mechanistic studies revealed that although autophagy was present at high levels in basal conditions in melanoma cells, was not essential for cell death process that involved mitochondrial damage, reactive oxygen species production and possible glycolysis inhibition. In conclusion, nutritional shortage in combination with chemotherapeutic drugs as cisplatin can be a valuable new therapeutic strategy to overcome melanoma resistance.
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Affiliation(s)
- F Antunes
- Universidade Federal de São Paulo, Escola Paulista de Medicina Department of Pharmacology (EPM/UNIFESP), São Paulo, SP, Brazil
| | - G J Pereira
- Universidade Federal de São Paulo, Escola Paulista de Medicina Department of Pharmacology (EPM/UNIFESP), São Paulo, SP, Brazil.
| | - M G Jasiulionis
- Universidade Federal de São Paulo, Escola Paulista de Medicina Department of Pharmacology (EPM/UNIFESP), São Paulo, SP, Brazil
| | - C Bincoletto
- Universidade Federal de São Paulo, Escola Paulista de Medicina Department of Pharmacology (EPM/UNIFESP), São Paulo, SP, Brazil
| | - S S Smaili
- Universidade Federal de São Paulo, Escola Paulista de Medicina Department of Pharmacology (EPM/UNIFESP), São Paulo, SP, Brazil.
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16
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Egea J, Fabregat I, Frapart YM, Ghezzi P, Görlach A, Kietzmann T, Kubaichuk K, Knaus UG, Lopez MG, Olaso-Gonzalez G, Petry A, Schulz R, Vina J, Winyard P, Abbas K, Ademowo OS, Afonso CB, Andreadou I, Antelmann H, Antunes F, Aslan M, Bachschmid MM, Barbosa RM, Belousov V, Berndt C, Bernlohr D, Bertrán E, Bindoli A, Bottari SP, Brito PM, Carrara G, Casas AI, Chatzi A, Chondrogianni N, Conrad M, Cooke MS, Costa JG, Cuadrado A, My-Chan Dang P, De Smet B, Debelec-Butuner B, Dias IHK, Dunn JD, Edson AJ, El Assar M, El-Benna J, Ferdinandy P, Fernandes AS, Fladmark KE, Förstermann U, Giniatullin R, Giricz Z, Görbe A, Griffiths H, Hampl V, Hanf A, Herget J, Hernansanz-Agustín P, Hillion M, Huang J, Ilikay S, Jansen-Dürr P, Jaquet V, Joles JA, Kalyanaraman B, Kaminskyy D, Karbaschi M, Kleanthous M, Klotz LO, Korac B, Korkmaz KS, Koziel R, Kračun D, Krause KH, Křen V, Krieg T, Laranjinha J, Lazou A, Li H, Martínez-Ruiz A, Matsui R, McBean GJ, Meredith SP, Messens J, Miguel V, Mikhed Y, Milisav I, Milković L, Miranda-Vizuete A, Mojović M, Monsalve M, Mouthuy PA, Mulvey J, Münzel T, Muzykantov V, Nguyen ITN, Oelze M, Oliveira NG, Palmeira CM, Papaevgeniou N, Pavićević A, Pedre B, Peyrot F, Phylactides M, Pircalabioru GG, Pitt AR, Poulsen HE, Prieto I, Rigobello MP, Robledinos-Antón N, Rodríguez-Mañas L, Rolo AP, Rousset F, Ruskovska T, Saraiva N, Sasson S, Schröder K, Semen K, Seredenina T, Shakirzyanova A, Smith GL, Soldati T, Sousa BC, Spickett CM, Stancic A, Stasia MJ, Steinbrenner H, Stepanić V, Steven S, Tokatlidis K, Tuncay E, Turan B, Ursini F, Vacek J, Vajnerova O, Valentová K, Van Breusegem F, Varisli L, Veal EA, Yalçın AS, Yelisyeyeva O, Žarković N, Zatloukalová M, Zielonka J, Touyz RM, Papapetropoulos A, Grune T, Lamas S, Schmidt HHHW, Di Lisa F, Daiber A. Corrigendum to "European contribution to the study of ROS: A summary of the findings and prospects for the future from the COST action BM1203 (EU-ROS)" [Redox Biol. 13 (2017) 94-162]. Redox Biol 2017; 14:694-696. [PMID: 29107648 PMCID: PMC5975209 DOI: 10.1016/j.redox.2017.10.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- J Egea
- Institute Teofilo Hernando, Department of Pharmacology, School of Medicine, Univerisdad Autonoma de Madrid, Spain
| | - I Fabregat
- Bellvitge Biomedical Research Institute (IDIBELL) and University of Barcelona (UB), L'Hospitalet, Barcelona, Spain
| | - Y M Frapart
- LCBPT, UMR 8601 CNRS - Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - P Ghezzi
- Brighton & Sussex Medical School, Brighton, UK
| | - A Görlach
- Experimental and Molecular Pediatric Cardiology, German Heart Center Munich at the Technical University Munich, Munich, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - T Kietzmann
- Faculty of Biochemistry and Molecular Medicine, and Biocenter Oulu, University of Oulu, Oulu, Finland
| | - K Kubaichuk
- Faculty of Biochemistry and Molecular Medicine, and Biocenter Oulu, University of Oulu, Oulu, Finland
| | - U G Knaus
- Conway Institute, School of Medicine, University College Dublin, Dublin, Ireland
| | - M G Lopez
- Institute Teofilo Hernando, Department of Pharmacology, School of Medicine, Univerisdad Autonoma de Madrid, Spain
| | | | - A Petry
- Experimental and Molecular Pediatric Cardiology, German Heart Center Munich at the Technical University Munich, Munich, Germany
| | - R Schulz
- Institute of Physiology, JLU Giessen, Giessen, Germany
| | - J Vina
- Department of Physiology, University of Valencia, Spain
| | - P Winyard
- University of Exeter Medical School, St Luke's Campus, Exeter EX1 2LU, UK
| | - K Abbas
- LCBPT, UMR 8601 CNRS - Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - O S Ademowo
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - C B Afonso
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - I Andreadou
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece
| | - H Antelmann
- Institute for Biology-Microbiology, Freie Universität Berlin, Berlin, Germany
| | - F Antunes
- Departamento de Química e Bioquímica and Centro de Química e Bioquímica, Faculdade de Ciências, Portugal
| | - M Aslan
- Department of Medical Biochemistry, Faculty of Medicine, Akdeniz University, Antalya, Turkey
| | - M M Bachschmid
- Vascular Biology Section & Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, MA, USA
| | - R M Barbosa
- Center for Neurosciences and Cell Biology, University of Coimbra and Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - V Belousov
- Molecular technologies laboratory, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, Moscow 117997, Russia
| | - C Berndt
- Department of Neurology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - D Bernlohr
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota - Twin Cities, USA
| | - E Bertrán
- Bellvitge Biomedical Research Institute (IDIBELL) and University of Barcelona (UB), L'Hospitalet, Barcelona, Spain
| | - A Bindoli
- Institute of Neuroscience (CNR), Padova, Italy
| | - S P Bottari
- GETI, Institute for Advanced Biosciences, INSERM U1029, CNRS UMR 5309, Grenoble-Alpes University and Radio-analysis Laboratory, CHU de Grenoble, Grenoble, France
| | - P M Brito
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal; Faculdade de Ciências da Saúde, Universidade da Beira Interior, Covilhã, Portugal
| | - G Carrara
- Department of Pathology, University of Cambridge, Cambridge, UK
| | - A I Casas
- Department of Pharmacology & Personalized Medicine, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - A Chatzi
- Institute of Molecular Cell and Systems Biology, College of Medical Veterinary and Life Sciences, University of Glasgow, University Avenue, Glasgow, UK
| | - N Chondrogianni
- National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, 48 Vas. Constantinou Ave., 116 35 Athens, Greece
| | - M Conrad
- Helmholtz Center Munich, Institute of Developmental Genetics, Neuherberg, Germany
| | - M S Cooke
- Helmholtz Center Munich, Institute of Developmental Genetics, Neuherberg, Germany
| | - J G Costa
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal; CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - A Cuadrado
- Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Instituto de Investigación Sanitaria La Paz (IdiPaz), Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - P My-Chan Dang
- Université Paris Diderot, Sorbonne Paris Cité, INSERM-U1149, CNRS-ERL8252, Centre de Recherche sur l'Inflammation, Laboratoire d'Excellence Inflamex, Faculté de Médecine Xavier Bichat, Paris, France
| | - B De Smet
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Department of Biomedical Sciences and CNR Institute of Neuroscience, University of Padova, Padova, Italy; Pharmahungary Group, Szeged, Hungary
| | - B Debelec-Butuner
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Ege University, Bornova, Izmir 35100, Turkey
| | - I H K Dias
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - J D Dunn
- Department of Biochemistry, Science II, University of Geneva, 30 quai Ernest-Ansermet, 1211 Geneva-4, Switzerland
| | - A J Edson
- Department of Molecular Biology, University of Bergen, Bergen, Norway
| | - M El Assar
- Fundación para la Investigación Biomédica del Hospital Universitario de Getafe, Getafe, Spain
| | - J El-Benna
- Université Paris Diderot, Sorbonne Paris Cité, INSERM-U1149, CNRS-ERL8252, Centre de Recherche sur l'Inflammation, Laboratoire d'Excellence Inflamex, Faculté de Médecine Xavier Bichat, Paris, France
| | - P Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Medical Faculty, Semmelweis University, Budapest, Hungary; Pharmahungary Group, Szeged, Hungary
| | - A S Fernandes
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - K E Fladmark
- Department of Molecular Biology, University of Bergen, Bergen, Norway
| | - U Förstermann
- Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - R Giniatullin
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Z Giricz
- Department of Pharmacology and Pharmacotherapy, Medical Faculty, Semmelweis University, Budapest, Hungary; Pharmahungary Group, Szeged, Hungary
| | - A Görbe
- Department of Pharmacology and Pharmacotherapy, Medical Faculty, Semmelweis University, Budapest, Hungary; Pharmahungary Group, Szeged, Hungary
| | - H Griffiths
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK; Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
| | - V Hampl
- Department of Physiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - A Hanf
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - J Herget
- Department of Physiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - P Hernansanz-Agustín
- Servicio de Immunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Madrid, Spain; Departamento de Bioquímica, Facultad de Medicina, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas Alberto Sols, Madrid, Spain
| | - M Hillion
- Institute for Biology-Microbiology, Freie Universität Berlin, Berlin, Germany
| | - J Huang
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Brussels Center for Redox Biology, Structural Biology Brussels, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - S Ilikay
- Harran University, Arts and Science Faculty, Department of Biology, Cancer Biology Lab, Osmanbey Campus, Sanliurfa, Turkey
| | - P Jansen-Dürr
- Institute for Biomedical Aging Research, University of Innsbruck, Innsbruck, Austria
| | - V Jaquet
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - J A Joles
- Department of Nephrology & Hypertension, University Medical Center Utrecht, The Netherlands
| | | | - D Kaminskyy
- Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - M Karbaschi
- Oxidative Stress Group, Dept. Environmental & Occupational Health, Florida International University, Miami, FL 33199, USA
| | - M Kleanthous
- Molecular Genetics Thalassaemia Department, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus
| | - L O Klotz
- Institute of Nutrition, Department of Nutrigenomics, Friedrich Schiller University, Jena, Germany
| | - B Korac
- University of Belgrade, Institute for Biological Research "Sinisa Stankovic" and Faculty of Biology, Belgrade, Serbia
| | - K S Korkmaz
- Department of Bioengineering, Cancer Biology Laboratory, Faculty of Engineering, Ege University, Bornova, 35100 Izmir, Turkey
| | - R Koziel
- Institute for Biomedical Aging Research, University of Innsbruck, Innsbruck, Austria
| | - D Kračun
- Experimental and Molecular Pediatric Cardiology, German Heart Center Munich at the Technical University Munich, Munich, Germany
| | - K H Krause
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - V Křen
- Institute of Microbiology, Laboratory of Biotransformation, Czech Academy of Sciences, Videnska 1083, CZ-142 20 Prague, Czech Republic
| | - T Krieg
- Department of Medicine, University of Cambridge, UK
| | - J Laranjinha
- Center for Neurosciences and Cell Biology, University of Coimbra and Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - A Lazou
- School of Biology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - H Li
- Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - A Martínez-Ruiz
- Servicio de Immunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - R Matsui
- Vascular Biology Section & Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, MA, USA
| | - G J McBean
- School of Biomolecular and Biomedical Science, Conway Institute, University College Dublin, Dublin, Ireland
| | - S P Meredith
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - J Messens
- Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Brussels Center for Redox Biology, Structural Biology Brussels, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - V Miguel
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Madrid, Spain
| | - Y Mikhed
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - I Milisav
- University of Ljubljana, Faculty of Medicine, Institute of Pathophysiology and Faculty of Health Sciences, Ljubljana, Slovenia
| | - L Milković
- Ruđer Bošković Institute, Division of Molecular Medicine, Zagreb, Croatia
| | - A Miranda-Vizuete
- Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
| | - M Mojović
- University of Belgrade, Faculty of Physical Chemistry, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - M Monsalve
- Instituto de Investigaciones Biomédicas "Alberto Sols" (CSIC-UAM), Madrid, Spain
| | - P A Mouthuy
- Laboratory for Oxidative Stress, Rudjer Boskovic Institute, Bijenicka 54, 10000 Zagreb, Croatia
| | - J Mulvey
- Department of Medicine, University of Cambridge, UK
| | - T Münzel
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - V Muzykantov
- Department of Pharmacology, Center for Targeted Therapeutics & Translational Nanomedicine, ITMAT/CTSA Translational Research Center University of Pennsylvania The Perelman School of Medicine, Philadelphia, PA, USA
| | - I T N Nguyen
- Department of Nephrology & Hypertension, University Medical Center Utrecht, The Netherlands
| | - M Oelze
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - N G Oliveira
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal
| | - C M Palmeira
- Center for Neurosciences & Cell Biology of the University of Coimbra, Coimbra, Portugal; Department of Life Sciences of the Faculty of Sciences & Technology of the University of Coimbra, Coimbra, Portugal
| | - N Papaevgeniou
- National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, 48 Vas. Constantinou Ave., 116 35 Athens, Greece
| | - A Pavićević
- University of Belgrade, Faculty of Physical Chemistry, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - B Pedre
- Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Brussels Center for Redox Biology, Structural Biology Brussels, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - F Peyrot
- LCBPT, UMR 8601 CNRS - Paris Descartes University, Sorbonne Paris Cité, Paris, France; ESPE of Paris, Paris Sorbonne University, Paris, France
| | - M Phylactides
- Molecular Genetics Thalassaemia Department, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus
| | - G G Pircalabioru
- The Research Institute of University of Bucharest, Bucharest, Romania
| | - A R Pitt
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - H E Poulsen
- Laboratory of Clinical Pharmacology, Rigshospitalet, University Hospital Copenhagen, Denmark; Department of Clinical Pharmacology, Bispebjerg Frederiksberg Hospital, University Hospital Copenhagen, Denmark; Department Q7642, Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark
| | - I Prieto
- Instituto de Investigaciones Biomédicas "Alberto Sols" (CSIC-UAM), Madrid, Spain
| | - M P Rigobello
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35131 Padova, Italy
| | - N Robledinos-Antón
- Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Instituto de Investigación Sanitaria La Paz (IdiPaz), Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - L Rodríguez-Mañas
- Fundación para la Investigación Biomédica del Hospital Universitario de Getafe, Getafe, Spain; Servicio de Geriatría, Hospital Universitario de Getafe, Getafe, Spain
| | - A P Rolo
- Center for Neurosciences & Cell Biology of the University of Coimbra, Coimbra, Portugal; Department of Life Sciences of the Faculty of Sciences & Technology of the University of Coimbra, Coimbra, Portugal
| | - F Rousset
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - T Ruskovska
- Faculty of Medical Sciences, Goce Delcev University, Stip, Republic of Macedonia
| | - N Saraiva
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - S Sasson
- Institute for Drug Research, Section of Pharmacology, Diabetes Research Unit, The Hebrew University Faculty of Medicine, Jerusalem, Israel
| | - K Schröder
- Institute for Cardiovascular Physiology, Goethe-University, Frankfurt, Germany; DZHK (German Centre for Cardiovascular Research), partner site Rhine-Main, Mainz, Germany
| | - K Semen
- Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - T Seredenina
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - A Shakirzyanova
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - G L Smith
- Department of Pathology, University of Cambridge, Cambridge, UK
| | - T Soldati
- Department of Biochemistry, Science II, University of Geneva, 30 quai Ernest-Ansermet, 1211 Geneva-4, Switzerland
| | - B C Sousa
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - C M Spickett
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - A Stancic
- University of Belgrade, Institute for Biological Research "Sinisa Stankovic" and Faculty of Biology, Belgrade, Serbia
| | - M J Stasia
- Université Grenoble Alpes, CNRS, Grenoble INP, CHU Grenoble Alpes, TIMC-IMAG, F38000 Grenoble, France; CDiReC, Pôle Biologie, CHU de Grenoble, Grenoble F-38043, France
| | - H Steinbrenner
- Institute of Nutrition, Department of Nutrigenomics, Friedrich Schiller University, Jena, Germany
| | - V Stepanić
- Ruđer Bošković Institute, Division of Molecular Medicine, Zagreb, Croatia
| | - S Steven
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - K Tokatlidis
- Institute of Molecular Cell and Systems Biology, College of Medical Veterinary and Life Sciences, University of Glasgow, University Avenue, Glasgow, UK
| | - E Tuncay
- Department of Biophysics, Ankara University, Faculty of Medicine, 06100 Ankara, Turkey
| | - B Turan
- Department of Biophysics, Ankara University, Faculty of Medicine, 06100 Ankara, Turkey
| | - F Ursini
- Department of Molecular Medicine, University of Padova, Padova, Italy
| | - J Vacek
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University, Hnevotinska 3, Olomouc 77515, Czech Republic
| | - O Vajnerova
- Department of Physiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - K Valentová
- Institute of Microbiology, Laboratory of Biotransformation, Czech Academy of Sciences, Videnska 1083, CZ-142 20 Prague, Czech Republic
| | - F Van Breusegem
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
| | - L Varisli
- Harran University, Arts and Science Faculty, Department of Biology, Cancer Biology Lab, Osmanbey Campus, Sanliurfa, Turkey
| | - E A Veal
- Institute for Cell and Molecular Biosciences, and Institute for Ageing, Newcastle University, Framlington Place, Newcastle upon Tyne, UK
| | - A S Yalçın
- Department of Biochemistry, School of Medicine, Marmara University, Istanbul, Turkey
| | - O Yelisyeyeva
- Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - N Žarković
- Laboratory for Oxidative Stress, Rudjer Boskovic Institute, Bijenicka 54, 10000 Zagreb, Croatia
| | - M Zatloukalová
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University, Hnevotinska 3, Olomouc 77515, Czech Republic
| | - J Zielonka
- Medical College of Wisconsin, Milwaukee, USA
| | - R M Touyz
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, UK
| | - A Papapetropoulos
- Laboratoty of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece
| | - T Grune
- German Institute of Human Nutrition, Department of Toxicology, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
| | - S Lamas
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Madrid, Spain
| | - H H H W Schmidt
- Department of Pharmacology & Personalized Medicine, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - F Di Lisa
- Department of Biomedical Sciences and CNR Institute of Neuroscience, University of Padova, Padova, Italy.
| | - A Daiber
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany; DZHK (German Centre for Cardiovascular Research), partner site Rhine-Main, Mainz, Germany.
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Egea J, Fabregat I, Frapart YM, Ghezzi P, Görlach A, Kietzmann T, Kubaichuk K, Knaus UG, Lopez MG, Olaso-Gonzalez G, Petry A, Schulz R, Vina J, Winyard P, Abbas K, Ademowo OS, Afonso CB, Andreadou I, Antelmann H, Antunes F, Aslan M, Bachschmid MM, Barbosa RM, Belousov V, Berndt C, Bernlohr D, Bertrán E, Bindoli A, Bottari SP, Brito PM, Carrara G, Casas AI, Chatzi A, Chondrogianni N, Conrad M, Cooke MS, Costa JG, Cuadrado A, My-Chan Dang P, De Smet B, Debelec-Butuner B, Dias IHK, Dunn JD, Edson AJ, El Assar M, El-Benna J, Ferdinandy P, Fernandes AS, Fladmark KE, Förstermann U, Giniatullin R, Giricz Z, Görbe A, Griffiths H, Hampl V, Hanf A, Herget J, Hernansanz-Agustín P, Hillion M, Huang J, Ilikay S, Jansen-Dürr P, Jaquet V, Joles JA, Kalyanaraman B, Kaminskyy D, Karbaschi M, Kleanthous M, Klotz LO, Korac B, Korkmaz KS, Koziel R, Kračun D, Krause KH, Křen V, Krieg T, Laranjinha J, Lazou A, Li H, Martínez-Ruiz A, Matsui R, McBean GJ, Meredith SP, Messens J, Miguel V, Mikhed Y, Milisav I, Milković L, Miranda-Vizuete A, Mojović M, Monsalve M, Mouthuy PA, Mulvey J, Münzel T, Muzykantov V, Nguyen ITN, Oelze M, Oliveira NG, Palmeira CM, Papaevgeniou N, Pavićević A, Pedre B, Peyrot F, Phylactides M, Pircalabioru GG, Pitt AR, Poulsen HE, Prieto I, Rigobello MP, Robledinos-Antón N, Rodríguez-Mañas L, Rolo AP, Rousset F, Ruskovska T, Saraiva N, Sasson S, Schröder K, Semen K, Seredenina T, Shakirzyanova A, Smith GL, Soldati T, Sousa BC, Spickett CM, Stancic A, Stasia MJ, Steinbrenner H, Stepanić V, Steven S, Tokatlidis K, Tuncay E, Turan B, Ursini F, Vacek J, Vajnerova O, Valentová K, Van Breusegem F, Varisli L, Veal EA, Yalçın AS, Yelisyeyeva O, Žarković N, Zatloukalová M, Zielonka J, Touyz RM, Papapetropoulos A, Grune T, Lamas S, Schmidt HHHW, Di Lisa F, Daiber A. European contribution to the study of ROS: A summary of the findings and prospects for the future from the COST action BM1203 (EU-ROS). Redox Biol 2017; 13:94-162. [PMID: 28577489 PMCID: PMC5458069 DOI: 10.1016/j.redox.2017.05.007] [Citation(s) in RCA: 202] [Impact Index Per Article: 28.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 05/08/2017] [Indexed: 12/12/2022] Open
Abstract
The European Cooperation in Science and Technology (COST) provides an ideal framework to establish multi-disciplinary research networks. COST Action BM1203 (EU-ROS) represents a consortium of researchers from different disciplines who are dedicated to providing new insights and tools for better understanding redox biology and medicine and, in the long run, to finding new therapeutic strategies to target dysregulated redox processes in various diseases. This report highlights the major achievements of EU-ROS as well as research updates and new perspectives arising from its members. The EU-ROS consortium comprised more than 140 active members who worked together for four years on the topics briefly described below. The formation of reactive oxygen and nitrogen species (RONS) is an established hallmark of our aerobic environment and metabolism but RONS also act as messengers via redox regulation of essential cellular processes. The fact that many diseases have been found to be associated with oxidative stress established the theory of oxidative stress as a trigger of diseases that can be corrected by antioxidant therapy. However, while experimental studies support this thesis, clinical studies still generate controversial results, due to complex pathophysiology of oxidative stress in humans. For future improvement of antioxidant therapy and better understanding of redox-associated disease progression detailed knowledge on the sources and targets of RONS formation and discrimination of their detrimental or beneficial roles is required. In order to advance this important area of biology and medicine, highly synergistic approaches combining a variety of diverse and contrasting disciplines are needed.
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Affiliation(s)
- Javier Egea
- Institute Teofilo Hernando, Department of Pharmacology, School of Medicine. Univerisdad Autonoma de Madrid, Spain
| | - Isabel Fabregat
- Bellvitge Biomedical Research Institute (IDIBELL) and University of Barcelona (UB), L'Hospitalet, Barcelona, Spain
| | - Yves M Frapart
- LCBPT, UMR 8601 CNRS - Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | | | - Agnes Görlach
- Experimental and Molecular Pediatric Cardiology, German Heart Center Munich at the Technical University Munich, Munich, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Thomas Kietzmann
- Faculty of Biochemistry and Molecular Medicine, and Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Kateryna Kubaichuk
- Faculty of Biochemistry and Molecular Medicine, and Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Ulla G Knaus
- Conway Institute, School of Medicine, University College Dublin, Dublin, Ireland
| | - Manuela G Lopez
- Institute Teofilo Hernando, Department of Pharmacology, School of Medicine. Univerisdad Autonoma de Madrid, Spain
| | | | - Andreas Petry
- Experimental and Molecular Pediatric Cardiology, German Heart Center Munich at the Technical University Munich, Munich, Germany
| | - Rainer Schulz
- Institute of Physiology, JLU Giessen, Giessen, Germany
| | - Jose Vina
- Department of Physiology, University of Valencia, Spain
| | - Paul Winyard
- University of Exeter Medical School, St Luke's Campus, Exeter EX1 2LU, UK
| | - Kahina Abbas
- LCBPT, UMR 8601 CNRS - Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Opeyemi S Ademowo
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Catarina B Afonso
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - Ioanna Andreadou
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece
| | - Haike Antelmann
- Institute for Biology-Microbiology, Freie Universität Berlin, Berlin, Germany
| | - Fernando Antunes
- Departamento de Química e Bioquímica and Centro de Química e Bioquímica, Faculdade de Ciências, Portugal
| | - Mutay Aslan
- Department of Medical Biochemistry, Faculty of Medicine, Akdeniz University, Antalya, Turkey
| | - Markus M Bachschmid
- Vascular Biology Section & Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, MA, USA
| | - Rui M Barbosa
- Center for Neurosciences and Cell Biology, University of Coimbra and Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Vsevolod Belousov
- Molecular technologies laboratory, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, Moscow 117997, Russia
| | - Carsten Berndt
- Department of Neurology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - David Bernlohr
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota - Twin Cities, USA
| | - Esther Bertrán
- Bellvitge Biomedical Research Institute (IDIBELL) and University of Barcelona (UB), L'Hospitalet, Barcelona, Spain
| | | | - Serge P Bottari
- GETI, Institute for Advanced Biosciences, INSERM U1029, CNRS UMR 5309, Grenoble-Alpes University and Radio-analysis Laboratory, CHU de Grenoble, Grenoble, France
| | - Paula M Brito
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal; Faculdade de Ciências da Saúde, Universidade da Beira Interior, Covilhã, Portugal
| | - Guia Carrara
- Department of Pathology, University of Cambridge, Cambridge, UK
| | - Ana I Casas
- Department of Pharmacology & Personalized Medicine, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Afroditi Chatzi
- Institute of Molecular Cell and Systems Biology, College of Medical Veterinary and Life Sciences, University of Glasgow, University Avenue, Glasgow, UK
| | - Niki Chondrogianni
- National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, 48 Vas. Constantinou Ave., 116 35 Athens, Greece
| | - Marcus Conrad
- Helmholtz Center Munich, Institute of Developmental Genetics, Neuherberg, Germany
| | - Marcus S Cooke
- Oxidative Stress Group, Dept. Environmental & Occupational Health, Florida International University, Miami, FL 33199, USA
| | - João G Costa
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal; CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - Antonio Cuadrado
- Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Instituto de Investigación Sanitaria La Paz (IdiPaz), Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid. Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Pham My-Chan Dang
- Université Paris Diderot, Sorbonne Paris Cité, INSERM-U1149, CNRS-ERL8252, Centre de Recherche sur l'Inflammation, Laboratoire d'Excellence Inflamex, Faculté de Médecine Xavier Bichat, Paris, France
| | - Barbara De Smet
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Department of Biomedical Sciences and CNR Institute of Neuroscience, University of Padova, Padova, Italy; Pharmahungary Group, Szeged, Hungary
| | - Bilge Debelec-Butuner
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Ege University, Bornova, Izmir 35100, Turkey
| | - Irundika H K Dias
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Joe Dan Dunn
- Department of Biochemistry, Science II, University of Geneva, 30 quai Ernest-Ansermet, 1211 Geneva-4, Switzerland
| | - Amanda J Edson
- Department of Molecular Biology, University of Bergen, Bergen, Norway
| | - Mariam El Assar
- Fundación para la Investigación Biomédica del Hospital Universitario de Getafe, Getafe, Spain
| | - Jamel El-Benna
- Université Paris Diderot, Sorbonne Paris Cité, INSERM-U1149, CNRS-ERL8252, Centre de Recherche sur l'Inflammation, Laboratoire d'Excellence Inflamex, Faculté de Médecine Xavier Bichat, Paris, France
| | - Péter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Medical Faculty, Semmelweis University, Budapest, Hungary; Pharmahungary Group, Szeged, Hungary
| | - Ana S Fernandes
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - Kari E Fladmark
- Department of Molecular Biology, University of Bergen, Bergen, Norway
| | - Ulrich Förstermann
- Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - Rashid Giniatullin
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Zoltán Giricz
- Department of Pharmacology and Pharmacotherapy, Medical Faculty, Semmelweis University, Budapest, Hungary; Pharmahungary Group, Szeged, Hungary
| | - Anikó Görbe
- Department of Pharmacology and Pharmacotherapy, Medical Faculty, Semmelweis University, Budapest, Hungary; Pharmahungary Group, Szeged, Hungary
| | - Helen Griffiths
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK; Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
| | - Vaclav Hampl
- Department of Physiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Alina Hanf
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - Jan Herget
- Department of Physiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Pablo Hernansanz-Agustín
- Servicio de Immunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Madrid, Spain; Departamento de Bioquímica, Facultad de Medicina, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas Alberto Sols, Madrid, Spain
| | - Melanie Hillion
- Institute for Biology-Microbiology, Freie Universität Berlin, Berlin, Germany
| | - Jingjing Huang
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Brussels Center for Redox Biology, Structural Biology Brussels, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Serap Ilikay
- Harran University, Arts and Science Faculty, Department of Biology, Cancer Biology Lab, Osmanbey Campus, Sanliurfa, Turkey
| | - Pidder Jansen-Dürr
- Institute for Biomedical Aging Research, University of Innsbruck, Innsbruck, Austria
| | - Vincent Jaquet
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - Jaap A Joles
- Department of Nephrology & Hypertension, University Medical Center Utrecht, The Netherlands
| | | | | | - Mahsa Karbaschi
- Oxidative Stress Group, Dept. Environmental & Occupational Health, Florida International University, Miami, FL 33199, USA
| | - Marina Kleanthous
- Molecular Genetics Thalassaemia Department, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus
| | - Lars-Oliver Klotz
- Institute of Nutrition, Department of Nutrigenomics, Friedrich Schiller University, Jena, Germany
| | - Bato Korac
- University of Belgrade, Institute for Biological Research "Sinisa Stankovic" and Faculty of Biology, Belgrade, Serbia
| | - Kemal Sami Korkmaz
- Department of Bioengineering, Cancer Biology Laboratory, Faculty of Engineering, Ege University, Bornova, 35100 Izmir, Turkey
| | - Rafal Koziel
- Institute for Biomedical Aging Research, University of Innsbruck, Innsbruck, Austria
| | - Damir Kračun
- Experimental and Molecular Pediatric Cardiology, German Heart Center Munich at the Technical University Munich, Munich, Germany
| | - Karl-Heinz Krause
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - Vladimír Křen
- Institute of Microbiology, Laboratory of Biotransformation, Czech Academy of Sciences, Videnska 1083, CZ-142 20 Prague, Czech Republic
| | - Thomas Krieg
- Department of Medicine, University of Cambridge, UK
| | - João Laranjinha
- Center for Neurosciences and Cell Biology, University of Coimbra and Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Antigone Lazou
- School of Biology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Huige Li
- Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - Antonio Martínez-Ruiz
- Servicio de Immunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Reiko Matsui
- Vascular Biology Section & Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, MA, USA
| | - Gethin J McBean
- School of Biomolecular and Biomedical Science, Conway Institute, University College Dublin, Dublin, Ireland
| | - Stuart P Meredith
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - Joris Messens
- Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Brussels Center for Redox Biology, Structural Biology Brussels, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Verónica Miguel
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Madrid, Spain
| | - Yuliya Mikhed
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - Irina Milisav
- University of Ljubljana, Faculty of Medicine, Institute of Pathophysiology and Faculty of Health Sciences, Ljubljana, Slovenia
| | - Lidija Milković
- Ruđer Bošković Institute, Division of Molecular Medicine, Zagreb, Croatia
| | - Antonio Miranda-Vizuete
- Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
| | - Miloš Mojović
- University of Belgrade, Faculty of Physical Chemistry, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - María Monsalve
- Instituto de Investigaciones Biomédicas "Alberto Sols" (CSIC-UAM), Madrid, Spain
| | - Pierre-Alexis Mouthuy
- Laboratory for Oxidative Stress, Rudjer Boskovic Institute, Bijenicka 54, 10000 Zagreb, Croatia
| | - John Mulvey
- Department of Medicine, University of Cambridge, UK
| | - Thomas Münzel
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - Vladimir Muzykantov
- Department of Pharmacology, Center for Targeted Therapeutics & Translational Nanomedicine, ITMAT/CTSA Translational Research Center University of Pennsylvania The Perelman School of Medicine, Philadelphia, PA, USA
| | - Isabel T N Nguyen
- Department of Nephrology & Hypertension, University Medical Center Utrecht, The Netherlands
| | - Matthias Oelze
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - Nuno G Oliveira
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal
| | - Carlos M Palmeira
- Center for Neurosciences & Cell Biology of the University of Coimbra, Coimbra, Portugal; Department of Life Sciences of the Faculty of Sciences & Technology of the University of Coimbra, Coimbra, Portugal
| | - Nikoletta Papaevgeniou
- National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, 48 Vas. Constantinou Ave., 116 35 Athens, Greece
| | - Aleksandra Pavićević
- University of Belgrade, Faculty of Physical Chemistry, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Brandán Pedre
- Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Brussels Center for Redox Biology, Structural Biology Brussels, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Fabienne Peyrot
- LCBPT, UMR 8601 CNRS - Paris Descartes University, Sorbonne Paris Cité, Paris, France; ESPE of Paris, Paris Sorbonne University, Paris, France
| | - Marios Phylactides
- Molecular Genetics Thalassaemia Department, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus
| | | | - Andrew R Pitt
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - Henrik E Poulsen
- Laboratory of Clinical Pharmacology, Rigshospitalet, University Hospital Copenhagen, Denmark; Department of Clinical Pharmacology, Bispebjerg Frederiksberg Hospital, University Hospital Copenhagen, Denmark; Department Q7642, Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark
| | - Ignacio Prieto
- Instituto de Investigaciones Biomédicas "Alberto Sols" (CSIC-UAM), Madrid, Spain
| | - Maria Pia Rigobello
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35131 Padova, Italy
| | - Natalia Robledinos-Antón
- Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Instituto de Investigación Sanitaria La Paz (IdiPaz), Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid. Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Leocadio Rodríguez-Mañas
- Fundación para la Investigación Biomédica del Hospital Universitario de Getafe, Getafe, Spain; Servicio de Geriatría, Hospital Universitario de Getafe, Getafe, Spain
| | - Anabela P Rolo
- Center for Neurosciences & Cell Biology of the University of Coimbra, Coimbra, Portugal; Department of Life Sciences of the Faculty of Sciences & Technology of the University of Coimbra, Coimbra, Portugal
| | - Francis Rousset
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - Tatjana Ruskovska
- Faculty of Medical Sciences, Goce Delcev University, Stip, Republic of Macedonia
| | - Nuno Saraiva
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - Shlomo Sasson
- Institute for Drug Research, Section of Pharmacology, Diabetes Research Unit, The Hebrew University Faculty of Medicine, Jerusalem, Israel
| | - Katrin Schröder
- Institute for Cardiovascular Physiology, Goethe-University, Frankfurt, Germany; DZHK (German Centre for Cardiovascular Research), partner site Rhine-Main, Mainz, Germany
| | - Khrystyna Semen
- Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - Tamara Seredenina
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - Anastasia Shakirzyanova
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | | | - Thierry Soldati
- Department of Biochemistry, Science II, University of Geneva, 30 quai Ernest-Ansermet, 1211 Geneva-4, Switzerland
| | - Bebiana C Sousa
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - Corinne M Spickett
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Ana Stancic
- University of Belgrade, Institute for Biological Research "Sinisa Stankovic" and Faculty of Biology, Belgrade, Serbia
| | - Marie José Stasia
- Université Grenoble Alpes, CNRS, Grenoble INP, CHU Grenoble Alpes, TIMC-IMAG, F38000 Grenoble, France; CDiReC, Pôle Biologie, CHU de Grenoble, Grenoble, F-38043, France
| | - Holger Steinbrenner
- Institute of Nutrition, Department of Nutrigenomics, Friedrich Schiller University, Jena, Germany
| | - Višnja Stepanić
- Ruđer Bošković Institute, Division of Molecular Medicine, Zagreb, Croatia
| | - Sebastian Steven
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - Kostas Tokatlidis
- Institute of Molecular Cell and Systems Biology, College of Medical Veterinary and Life Sciences, University of Glasgow, University Avenue, Glasgow, UK
| | - Erkan Tuncay
- Department of Biophysics, Ankara University, Faculty of Medicine, 06100 Ankara, Turkey
| | - Belma Turan
- Department of Biophysics, Ankara University, Faculty of Medicine, 06100 Ankara, Turkey
| | - Fulvio Ursini
- Department of Molecular Medicine, University of Padova, Padova, Italy
| | - Jan Vacek
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University, Hnevotinska 3, Olomouc 77515, Czech Republic
| | - Olga Vajnerova
- Department of Physiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Kateřina Valentová
- Institute of Microbiology, Laboratory of Biotransformation, Czech Academy of Sciences, Videnska 1083, CZ-142 20 Prague, Czech Republic
| | - Frank Van Breusegem
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
| | - Lokman Varisli
- Harran University, Arts and Science Faculty, Department of Biology, Cancer Biology Lab, Osmanbey Campus, Sanliurfa, Turkey
| | - Elizabeth A Veal
- Institute for Cell and Molecular Biosciences, and Institute for Ageing, Newcastle University, Framlington Place, Newcastle upon Tyne, UK
| | - A Suha Yalçın
- Department of Biochemistry, School of Medicine, Marmara University, İstanbul, Turkey
| | | | - Neven Žarković
- Laboratory for Oxidative Stress, Rudjer Boskovic Institute, Bijenicka 54, 10000 Zagreb, Croatia
| | - Martina Zatloukalová
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University, Hnevotinska 3, Olomouc 77515, Czech Republic
| | | | - Rhian M Touyz
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, UK
| | - Andreas Papapetropoulos
- Laboratoty of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece
| | - Tilman Grune
- German Institute of Human Nutrition, Department of Toxicology, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
| | - Santiago Lamas
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Madrid, Spain
| | - Harald H H W Schmidt
- Department of Pharmacology & Personalized Medicine, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Fabio Di Lisa
- Department of Biomedical Sciences and CNR Institute of Neuroscience, University of Padova, Padova, Italy.
| | - Andreas Daiber
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany; DZHK (German Centre for Cardiovascular Research), partner site Rhine-Main, Mainz, Germany.
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Alves JEO, Martins CX, Vieira GS, Antunes F. Avaliação da pressão arterial em gatas (Felis catus) submetidas a pneumoperitônio com dióxido de carbono. R Saúde 2016. [DOI: 10.21727/rs.v7i2.462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Pneumoperitônio é a técnica de insuflação com gás da cavidade peritoneal necessária para que haja uma boa visualização das estruturas anatômicas na cirurgia videolaparoscópica. Todavia, diversas alterações fisiológicas são relatadas em decorrência do pneumoperitônio, quais sejam por deslocamento e compressão de estruturas como o diafragma, alterando a fisiologia respiratória, e a veia cava caudal, comprometendo o pré-carga e o débito cardíaco, ou por efeitos sistêmicos decorrentes da absorção de CO2, por exemplo. O presente estudo teve como objetivo avaliar as alterações hemodinâmicas do pneumoperitônio com CO2 em gatas anestesiadas. Foram utilizadas 10 gatas sadias, adultas, premedicadas com cloridrato de cetamina e midazolam e anestesiadas com isoflurano e submetidas a OSH por cirurgia laparoscópica com insuflação abdominal por CO2. As pressões diastólica, sistólica e média foram avaliadas de maneira invasiva por cateterização da artéria femoral e mensurada por um monitor multiparamétrico antes e depois do estabelecimento do pneumoperitônio. Os resultados foram formatados e submetidos à análise de variância e posteriormente analisados pelo teste t de Student e teste Tukey. As alterações em PAS, PAD e PAM observadas no decorrer dos procedimentos, entretanto, não configuraram diferenças estatísticas conforme as análises realizadas. Conclui-se, então, que a realização do pneumoperitônio com CO2 não provoque alterações relevantes na pressão arterial em gatas anestesiadas ou que estas alterações sejam fisiologicamente corrigidas por mecanismos compensatórios.
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Rosado C, Antunes F, Barbosa R, Fernando R, Estudante M, Silva HN, Rodrigues LM. About the in vivo quantitation of skin anisotropy. Skin Res Technol 2016; 23:429-436. [PMID: 27882608 DOI: 10.1111/srt.12353] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/18/2016] [Indexed: 01/12/2023]
Abstract
BACKGROUND/PURPOSE Human skin anisotropy is difficult to quantify. The Cutiscan® , is allegedly, the first biometrical system to provide information on the elastic and viscoelastic properties, as well as on anisotropy and directionality of the human skin in vivo. Thus, this study aims to contribute to characterize this new device and its applicability, and to compare its behavior with two other well-known devices-the Cutometer® and the Reviscometer® . METHODS Measurements were conducted with each device in three different anatomical sites (forehead, forearm and leg) of 20 female volunteers engaged after informed consent. The participants in the study were aged 19-73 years (mean age 37 ± 18.7 years old), and were divided in two groups (n = 10), based on their age - Group I, mean age 22 ± 1.3 years; Group II, mean age 52 ± 13.7 years. RESULTS All devices were useful tools to explore the anatomical and the age dependant changes in biomechanical terms, showing different discriminative capacities. Interesting correlations were established between the variables provided by the equipment. CONCLUSION The Cutiscan® descriptors delivered excellent relationships with those from Cutometer® and Reviscometer® , while providing more detailed information about skin anisotropy through a full 360° analysis.
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Affiliation(s)
- C Rosado
- CBIOS - Universidade Lusófona's Research Center for Biosciences and Health Technologies, Lisbon, Portugal
| | - F Antunes
- Pharmacological Sciences Department, School of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - R Barbosa
- CBIOS - Universidade Lusófona's Research Center for Biosciences and Health Technologies, Lisbon, Portugal
| | - R Fernando
- CBIOS - Universidade Lusófona's Research Center for Biosciences and Health Technologies, Lisbon, Portugal
| | - M Estudante
- iMed.ULisboa - Research Institute for Medicines, School of Pharmacy, Lisbon, Portugal
| | - H N Silva
- CBIOS - Universidade Lusófona's Research Center for Biosciences and Health Technologies, Lisbon, Portugal.,Pharmacological Sciences Department, School of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - L M Rodrigues
- CBIOS - Universidade Lusófona's Research Center for Biosciences and Health Technologies, Lisbon, Portugal.,Pharmacological Sciences Department, School of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
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20
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Alves M, Matos O, Antunes F. Multilocus PCR-RFLP analysis of Cryptosporidium isolates from HIV-infected patients from Portugal. Annals of Tropical Medicine & Parasitology 2016. [DOI: 10.1080/00034983.2001.11813678] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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21
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Campino L, Santos-Gomes GM, Pratlong F, Antunes F, Maurício I, Dedet JP, Abranches P. HIV/Leishmania co-infections in Portugal: diagnosis and isoenzyme characterization of Leishmania. Annals of Tropical Medicine & Parasitology 2016. [DOI: 10.1080/00034983.1997.11813159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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22
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Alves M, Matos O, Spano F, Antunes F. PCR-RFLP analysis ofCryptosporidium parvumisolates from HIV-infected patients in Lisbon, Portugal. Annals of Tropical Medicine & Parasitology 2016. [DOI: 10.1080/00034983.2000.11813541] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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23
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Guerreiro PS, Estácio SG, Antunes F, Fernandes AS, Pinheiro PF, Costa JG, Castro M, Miranda JP, Guedes RC, Oliveira NG. Structure-based virtual screening toward the discovery of novel inhibitors of the DNA repair activity of the human apurinic/apyrimidinic endonuclease 1. Chem Biol Drug Des 2016; 88:915-925. [DOI: 10.1111/cbdd.12826] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 05/10/2016] [Accepted: 07/11/2016] [Indexed: 01/21/2023]
Affiliation(s)
- Patrícia S. Guerreiro
- Research Institute for Medicines (iMed.ULisboa); Faculty of Pharmacy; Universidade de Lisboa; Lisbon Portugal
| | - Sílvia G. Estácio
- BioISI - Biosystems and Integrative Sciences Institute; Faculdade de Ciências; Universidade de Lisboa; Lisbon Portugal
| | - Fernando Antunes
- Departamento de Química e Bioquímica and Centro de Química e Bioquímica; Faculdade de Ciências; Universidade de Lisboa; Lisbon Portugal
| | - Ana S. Fernandes
- Research Institute for Medicines (iMed.ULisboa); Faculty of Pharmacy; Universidade de Lisboa; Lisbon Portugal
- CBIOS; Universidade Lusófona Research Center for Biosciences and Health Technologies; Lisbon Portugal
| | - Pedro F. Pinheiro
- Research Institute for Medicines (iMed.ULisboa); Faculty of Pharmacy; Universidade de Lisboa; Lisbon Portugal
- Centro de Química Estrutural (CQE); Instituto Superior Técnico; Universidade de Lisboa; Lisbon Portugal
| | - João G. Costa
- Research Institute for Medicines (iMed.ULisboa); Faculty of Pharmacy; Universidade de Lisboa; Lisbon Portugal
- CBIOS; Universidade Lusófona Research Center for Biosciences and Health Technologies; Lisbon Portugal
| | - Matilde Castro
- Research Institute for Medicines (iMed.ULisboa); Faculty of Pharmacy; Universidade de Lisboa; Lisbon Portugal
| | - Joana P. Miranda
- Research Institute for Medicines (iMed.ULisboa); Faculty of Pharmacy; Universidade de Lisboa; Lisbon Portugal
| | - Rita C. Guedes
- Research Institute for Medicines (iMed.ULisboa); Faculty of Pharmacy; Universidade de Lisboa; Lisbon Portugal
| | - Nuno G. Oliveira
- Research Institute for Medicines (iMed.ULisboa); Faculty of Pharmacy; Universidade de Lisboa; Lisbon Portugal
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Esteves F, de Sousa B, Calderón E, Huang L, Badura R, Maltez F, Bassat Q, de Armas Y, Antunes F, Matos O. Multicentre study highlighting clinical relevance of new high-throughput methodologies in molecular epidemiology of Pneumocystis jirovecii pneumonia. Clin Microbiol Infect 2016; 22:566.e9-566.e19. [DOI: 10.1016/j.cmi.2016.03.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 02/19/2016] [Accepted: 03/13/2016] [Indexed: 11/17/2022]
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Gavina A, Bouguerra S, Lopes I, Marques CR, Rasteiro MG, Antunes F, Rocha-Santos T, Pereira R. Impact of organic nano-vesicles in soil: The case of sodium dodecyl sulphate/didodecyl dimethylammonium bromide. Sci Total Environ 2016; 547:413-421. [PMID: 26795542 DOI: 10.1016/j.scitotenv.2015.12.163] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 12/22/2015] [Accepted: 12/31/2015] [Indexed: 06/05/2023]
Abstract
Aiming at contributing new insights into the effects of nanomaterials (NMs) in the terrestrial ecosystem, this study evaluated the impacts of organic nano-vesicles of sodium dodecyl sulphate/didodecyl dimethylammonium bromide (SDS/DDAB) on the emergence and growth of plant seeds, and on the avoidance and reproduction of soil invertebrates. For this purpose several ecotoxicological assays were performed with different test species (terrestrial plants: Zea mays, Avena sativa, Brassica oleracea and Lycopersicon esculentum; soil invertebrates: Eisenia andrei and Folsomia candida). A wide range of SDS/DDAB concentrations were tested, following standard protocols, and using the standard OECD soil as a test substrate (5% of organic matter). The aqueous suspensions of SDS/DDAB, used to spike the soils, were characterised by light scattering techniques for hydrodynamic size of the vesicles, aggregation index, polydispersity index, zeta potential and surface charge. The SDS/DDAB concentrations in the test soil were analysed by HPLC-UV at the end of the assays. Invertebrate species were revealed to be sensitive to nano-SDS/DDAB upon immediate exposure to freshly spiked soils. However, the degradation of SDS/DDAB nano-vesicles in the soil with time prevented the occurrence of significant reproduction effects on soil invertebrates. Plants were not particularly sensitive to SDS/DDAB, except B. oleracea (at concentrations above 375 mg kg(-1)dw). The results gathered in this study allowed a preliminary determination of a risk limit to nano-SDS/DDAB. The low toxicity of SDS/DDAB nano-vesicles could be explained by its high and fast degradation in the soil. The soil microbial community could have an important role in the fate of this NM, thus it is of remarkable importance to improve this risk limit by taking into account specific data addressing this community.
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Affiliation(s)
- A Gavina
- Department of Biology, Faculty of Sciences of the University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal; CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, Rua dos Bragas, n. 289, 4050-123 Porto, Portugal.
| | - S Bouguerra
- Laboratory of Water, Energy and Environment (3E), Engineering School of Sfax, University of Sfax, BPW 3038 Sfax, Tunisia
| | - I Lopes
- Department of Biology & Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
| | - C R Marques
- Department of Biology & Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
| | - M G Rasteiro
- Department of Chemical Engineering & Chemical Process Engineering and Forest Products Research Centre (CIEPQPF), University of Coimbra, 3030-290 Coimbra, Portugal
| | - F Antunes
- Department of Chemical Engineering & Chemical Process Engineering and Forest Products Research Centre (CIEPQPF), University of Coimbra, 3030-290 Coimbra, Portugal
| | - T Rocha-Santos
- Department of Chemistry & Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
| | - R Pereira
- Department of Biology, Faculty of Sciences of the University of Porto, Rua do Campo Alegre, s/n, 4169-007 Porto, Portugal; CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, Rua dos Bragas, n. 289, 4050-123 Porto, Portugal
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Abstract
A challenge in the redox field is the elucidation of the molecular mechanisms, by which H2O2 mediates signal transduction in cells. This is relevant since redox pathways are disturbed in some pathologies. The transcription factor OxyR is the H2O2 sensor in bacteria, whereas Cys-based peroxidases are involved in the perception of this oxidant in eukaryotic cells. Three possible mechanisms may be involved in H2O2 signaling that are not mutually exclusive. In the simplest pathway, H2O2 signals through direct oxidation of the signaling protein, such as a phosphatase or a transcription factor. Although signaling proteins are frequently observed in the oxidized state in biological systems, in most cases their direct oxidation by H2O2 is too slow (10(1) M(-1)s(-1) range) to outcompete Cys-based peroxidases and glutathione. In some particular cellular compartments (such as vicinity of NADPH oxidases), it is possible that a signaling protein faces extremely high H2O2 concentrations, making the direct oxidation feasible. Alternatively, high H2O2 levels can hyperoxidize peroxiredoxins leading to local building up of H2O2 that then could oxidize a signaling protein (floodgate hypothesis). In a second model, H2O2 oxidizes Cys-based peroxidases that then through thiol-disulfide reshuffling would transmit the oxidized equivalents to the signaling protein. The third model of signaling is centered on the reducing substrate of Cys-based peroxidases that in most cases is thioredoxin. Is this model, peroxiredoxins would signal by modulating the thioredoxin redox status. More kinetic data is required to allow the identification of the complex network of thiol switches.
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Affiliation(s)
- Luis E. S. Netto
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo – SP,
Brazil
| | - Fernando Antunes
- Departamento de Química e Bioquímica, Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Lisboa,
Portugal
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27
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Abstract
Nitric oxide (NO) is one of the smallest endogenous molecules with particularly interesting aspect roles in biological systems, despite its toxicological potential.
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Affiliation(s)
- Ana C. Fernandes
- Centro de Química e Bioquímica
- Faculdade de Ciências
- Universidade de Lisboa
- 1749-016 Lisboa
- Portugal
| | - Moisés L. Pinto
- CERENA
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
- Portugal
| | - Fernando Antunes
- Centro de Química e Bioquímica
- Faculdade de Ciências
- Universidade de Lisboa
- 1749-016 Lisboa
- Portugal
| | - João Pires
- Centro de Química e Bioquímica
- Faculdade de Ciências
- Universidade de Lisboa
- 1749-016 Lisboa
- Portugal
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28
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Marto J, Gouveia L, Jorge I, Duarte A, Gonçalves L, Silva S, Antunes F, Pais A, Oliveira E, Almeida A, Ribeiro H. Starch-based Pickering emulsions for topical drug delivery: A QbD approach. Colloids Surf B Biointerfaces 2015; 135:183-192. [DOI: 10.1016/j.colsurfb.2015.07.024] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 07/07/2015] [Accepted: 07/09/2015] [Indexed: 01/28/2023]
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Fernandes AC, Pinto ML, Antunes F, Pires J. l-Histidine-based organoclays for the storage and release of therapeutic nitric oxide. J Mater Chem B 2015; 3:3556-3563. [PMID: 32262240 DOI: 10.1039/c4tb01913j] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Despite its toxicity, in low concentrations, nitric oxide (NO) is a small endogenous molecule with a particularly important role in the regulation of several biochemical pathways of the human body. The potential of l-histidine-modified clays (organoclays) for storage and therapeutic release of nitric oxide was assessed. Materials were characterized by powder X-ray diffraction, TG-DSC, IR spectroscopy, and nitrogen adsorption at -196 °C. The NO storage and release kinetics was studied both in the gas and liquid phases. For some materials, improvement was observed for both the released amounts and the release profile for the organoclays in relation to the respective raw clays. Assays with HeLa cells indicated that the materials have low cytotoxicity.
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Affiliation(s)
- Ana C Fernandes
- Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal.
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Esteves F, Calé S, Badura R, de Boer M, Maltez F, Calderón E, van der Reijden T, Márquez-Martín E, Antunes F, Matos O. Diagnosis of Pneumocystis pneumonia: evaluation of four serologic biomarkers. Clin Microbiol Infect 2015; 21:379.e1-10. [DOI: 10.1016/j.cmi.2014.11.025] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Revised: 11/21/2014] [Accepted: 11/25/2014] [Indexed: 10/24/2022]
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31
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Brito PM, Antunes F. Estimation of kinetic parameters related to biochemical interactions between hydrogen peroxide and signal transduction proteins. Front Chem 2014; 2:82. [PMID: 25325054 PMCID: PMC4183122 DOI: 10.3389/fchem.2014.00082] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Accepted: 09/15/2014] [Indexed: 12/15/2022] Open
Abstract
The lack of kinetic data concerning the biological effects of reactive oxygen species is slowing down the development of the field of redox signaling. Herein, we deduced and applied equations to estimate kinetic parameters from typical redox signaling experiments. H2O2-sensing mediated by the oxidation of a protein target and the switch-off of this sensor, by being converted back to its reduced form, are the two processes for which kinetic parameters are determined. The experimental data required to apply the equations deduced is the fraction of the H2O2 sensor protein in the reduced or in the oxidized state measured in intact cells or living tissues after exposure to either endogenous or added H2O2. Either non-linear fittings that do not need transformation of the experimental data or linearized plots in which deviations from the equations are easily observed can be used. The equations were shown to be valid by fitting to them virtual time courses simulated with a kinetic model. The good agreement between the kinetic parameters estimated in these fittings and those used to simulate the virtual time courses supported the accuracy of the kinetic equations deduced. Finally, equations were successfully tested with real data taken from published experiments that describe redox signaling mediated by the oxidation of two protein tyrosine phosphatases, PTP1B and SHP-2, which are two of the few H2O2-sensing proteins with known kinetic parameters. Whereas for PTP1B estimated kinetic parameters fitted in general the present knowledge, for SHP-2 results obtained suggest that reactivity toward H2O2 as well as the rate of SHP-2 regeneration back to its reduced form are higher than previously thought. In conclusion, valuable quantitative kinetic data can be estimated from typical redox signaling experiments, thus improving our understanding about the complex processes that underlie the interplay between oxidative stress and redox signaling responses.
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Affiliation(s)
- Paula M Brito
- URIA-Centro de Patogénese Molecular, Faculdade de Farmácia, Universidade de Lisboa Lisboa, Portugal ; Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa Lisboa, Portugal ; Faculdade de Ciências da Saúde, Universidade da Beira Interior Covilhã, Portugal
| | - Fernando Antunes
- Departamento de Química e Bioquímica and Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa Lisboa, Portugal
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Benfeitas R, Selvaggio G, Antunes F, Coelho P, Salvador A. Is the Peroxiredoxin 2/Thioredoxin/Thioredoxin Reductase system in human erythrocytes designed for redox signaling? Free Radic Biol Med 2014; 75 Suppl 1:S24. [PMID: 26461315 DOI: 10.1016/j.freeradbiomed.2014.10.741] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In human erythrocytes H2O2 is mainly consumed by glutathione peroxidase, catalase and peroxiredoxin 2 (Prx2). Our previous analyses indicate that Prx2's peroxidase activity is subjected to a strong but quickly reversible inhibition (see companion abstract). If this activity is inhibited then the main role of Prx2 cannot be to eliminate H2O2. What functional advantages could then such an inhibition confer?We set up and validated a kinetic model of H2O2 metabolism human erythrocytes that shows quantitative agreement with extensive experimental observations. We then applied it to analyze the behavior of Prx2 and Trx under the H2O2 exposure dynamics that erythrocytes face in circulation. The significance of Prx2 inhibition was assessed by comparing the behavior of this model with that of an otherwise identical model lacking inhibition.Our analysis shows that Prx2 inhibition leads to 25-40% lower NADPH consumption under low to moderately high H2O2 supply (<0.8µM H2O2/s). Further, the inhibition extends the range where the concentrations of potential redox signaling readouts - H2O2, Prx2 sulfenic acid, Prx2 disulfide and Trx disulfide- show a proportional response to changes in H2O2 supply, covering practically the whole physiological range of the latter. This is desirable for analogic signal transduction and allows the Prx2/Trx/TrxR system to reliably transduce changes in H2O2 supply as changes in thiol oxidation. Finally, the inhibition allows other less abundant peroxiredoxins in the erythrocyte to be oxidized by H2O2 at physiological H2O2 supplies.Altogether, these results suggest that the postulated reversible inhibition of Prx2's peroxidase facilitates signal transduction by the peroxiredoxins and spares NADPH.We acknowledge: fellowship SFRH/BD/51199/2010, grants PEst-C/SAU/LA0001/2013-2014, PEst-OE/QUI/UI0612/2013, PEst-OE/QUI/UI0313/2014, and FCOMP-01-0124-FEDER-020978 co-financed by FEDER through the COMPETE program and by FCT (project PTDC/QUI-BIQ/119657/2010).
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Affiliation(s)
- Rui Benfeitas
- CNC (Center for Neuroscience and Cell Biology), University of Coimbra, Portugal.
| | - Gianluca Selvaggio
- CNC (Center for Neuroscience and Cell Biology), University of Coimbra, Portugal
| | - Fernando Antunes
- DQB (Centro de Química e Bioquímica), Departamento de Química e Bioquímica, Universidade de Lisboa, Portugal
| | - Pedro Coelho
- CNC (Center for Neuroscience and Cell Biology), University of Coimbra, Portugal
| | - Armindo Salvador
- CNC (Center for Neuroscience and Cell Biology), University of Coimbra, Portugal
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Benfeitas R, Selvaggio G, Antunes F, Coelho P, Salvador A. Is Peroxiredoxin II's peroxidase activity strongly inhibited in human erythrocytes? Free Radic Biol Med 2014; 75 Suppl 1:S23-4. [PMID: 26461310 DOI: 10.1016/j.freeradbiomed.2014.10.740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
H2O2 elimination in human erythrocytes is mainly carried out by catalase (Cat), glutathione peroxidase (GPx1) and the more recently discovered peroxiredoxin 2 (Prx2). However, the contribution of Prx2 to H2O2 consumption is still unclear. Prx2's high reactivity with H2O2 (kPrx2=10×10(7) M(-1)s(-1), kCat =7×10(7) M(-1)s(-1), kGPx1 =4×10(7) M(-1)s(-1)) and high abundance ([Prx2]= 570µM, [Cat]= 32µM, [GPx1]= 1µM) suggest that under low H2O2 supply rates it should consume >99% of the H2O2. However, extensive evidence indicates that in intact erythrocytes Prx2 contributes no more than Cat to H2O2 consumption. In order for this to be attained, Prx2's effective rate constant with H2O2would have to be just ~10(5) M(-1)s(-1), much lower than that determined in multiple experiments with the purified proteins. Nevertheless, nearly all Prx2 is oxidized within 1min of exposing erythrocytes to a H2O2 bolus, which is inconsistent with an irreversible inhibition. A mathematical model of the H2O2 metabolism in human erythrocytes [Benfeitas et al. (2014) Free Radic. Biol. Med.] where Prx2 either has a low kPrx2 or is subject to a strong (>99%) but readily reversible inhibition achieves quantitative agreement with detailed experimental observations of the responses of the redox status of Prx2 in human erythrocytes and suggests functional advantages of this design (see companion abstract). By contrast, a variant where Prx2 is fully active with kPrx2=10(8) M(-1)s(-1) shows important qualitative discrepancies. Altogether, these results suggest that Prx2's peroxidase activity is strongly inhibited in human erythrocytes. We acknowledge fellowship SFRH/BD/51199/2010, grants PEst-C/SAU/LA0001/2013-2014, PEst-OE/QUI/UI0612/2013, PEst-OE/QUI/UI0313/2014, and FCOMP-01-0124-FEDER-020978 (PTDC/QUI-BIQ/119657/2010) co-financed by FEDER through the COMPETE program and by FCT.
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Affiliation(s)
- Rui Benfeitas
- CNC (Center for Neuroscience and Cell Biology), University of Coimbra, Portugal.
| | - Gianluca Selvaggio
- CNC (Center for Neuroscience and Cell Biology), University of Coimbra, Portugal
| | - Fernando Antunes
- DQB (Centro de Química e Bioquímica), Departamento de Química e Bioquímica, Portugal
| | - Pedro Coelho
- CNC (Center for Neuroscience and Cell Biology), University of Coimbra, Portugal
| | - Armindo Salvador
- CNC (Center for Neuroscience and Cell Biology), University of Coimbra, Portugal
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Benfeitas R, Selvaggio G, Antunes F, Coelho PMBM, Salvador A. Hydrogen peroxide metabolism and sensing in human erythrocytes: a validated kinetic model and reappraisal of the role of peroxiredoxin II. Free Radic Biol Med 2014; 74:35-49. [PMID: 24952139 DOI: 10.1016/j.freeradbiomed.2014.06.007] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2014] [Revised: 05/26/2014] [Accepted: 06/10/2014] [Indexed: 01/09/2023]
Abstract
Hydrogen peroxide (H2O2) metabolism in human erythrocytes has been thoroughly investigated, but unclear points persist. By integrating the available data into a mathematical model that accurately represents the current understanding and comparing computational predictions to observations we sought to (a) identify inconsistencies in present knowledge, (b) propose resolutions, and (c) examine their functional implications. The systematic confrontation of computational predictions with experimental observations of the responses of intact erythrocytes highlighted the following important discrepancy. The high rate constant (10(7)-10(8) M(-1) s(-1)) for H2O2 reduction determined for purified peroxiredoxin II (Prx2) and the high abundance of this protein indicate that under physiological conditions it consumes practically all the H2O2. However, this is inconsistent with extensive evidence that Prx2's contribution to H2O2 elimination is comparable to that of catalase. Models modified such that Prx2's effective peroxidase activity is just 10(5) M(-1) s(-1) agree near quantitatively with extensive experimental observations. This low effective activity is probably due to a strong but readily reversible inhibition of Prx2's peroxidatic activity in intact cells, implying that the main role of Prx2 in human erythrocytes is not to eliminate peroxide substrates. Simulations of the responses to physiological H2O2 stimuli highlight that a design combining abundant Prx2 with a low effective peroxidase activity spares NADPH while improving potential signaling properties of the Prx2/thioredoxin/thioredoxin reductase system.
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Affiliation(s)
- Rui Benfeitas
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal; Institute for Interdisciplinary Research, University of Coimbra, 3030-789 Coimbra, Portugal
| | - Gianluca Selvaggio
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal
| | - Fernando Antunes
- Departamento de Química e Bioquímica and Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
| | - Pedro M B M Coelho
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal
| | - Armindo Salvador
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal; Coimbra Chemistry Center, University of Coimbra, 3004-535 Coimbra, Portugal.
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Marinho HS, Real C, Cyrne L, Soares H, Antunes F. Hydrogen peroxide sensing, signaling and regulation of transcription factors. Redox Biol 2014; 2:535-62. [PMID: 24634836 PMCID: PMC3953959 DOI: 10.1016/j.redox.2014.02.006] [Citation(s) in RCA: 558] [Impact Index Per Article: 55.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Revised: 02/19/2014] [Accepted: 02/21/2014] [Indexed: 12/12/2022] Open
Abstract
The regulatory mechanisms by which hydrogen peroxide (H2O2) modulates the activity of transcription factors in bacteria (OxyR and PerR), lower eukaryotes (Yap1, Maf1, Hsf1 and Msn2/4) and mammalian cells (AP-1, NRF2, CREB, HSF1, HIF-1, TP53, NF-κB, NOTCH, SP1 and SCREB-1) are reviewed. The complexity of regulatory networks increases throughout the phylogenetic tree, reaching a high level of complexity in mammalians. Multiple H2O2 sensors and pathways are triggered converging in the regulation of transcription factors at several levels: (1) synthesis of the transcription factor by upregulating transcription or increasing both mRNA stability and translation; (ii) stability of the transcription factor by decreasing its association with the ubiquitin E3 ligase complex or by inhibiting this complex; (iii) cytoplasm–nuclear traffic by exposing/masking nuclear localization signals, or by releasing the transcription factor from partners or from membrane anchors; and (iv) DNA binding and nuclear transactivation by modulating transcription factor affinity towards DNA, co-activators or repressors, and by targeting specific regions of chromatin to activate individual genes. We also discuss how H2O2 biological specificity results from diverse thiol protein sensors, with different reactivity of their sulfhydryl groups towards H2O2, being activated by different concentrations and times of exposure to H2O2. The specific regulation of local H2O2 concentrations is also crucial and results from H2O2 localized production and removal controlled by signals. Finally, we formulate equations to extract from typical experiments quantitative data concerning H2O2 reactivity with sensor molecules. Rate constants of 140 M−1 s−1 and ≥1.3 × 103 M−1 s−1 were estimated, respectively, for the reaction of H2O2 with KEAP1 and with an unknown target that mediates NRF2 protein synthesis. In conclusion, the multitude of H2O2 targets and mechanisms provides an opportunity for highly specific effects on gene regulation that depend on the cell type and on signals received from the cellular microenvironment. Complexity of redox regulation increases along the phylogenetic tree. Complex regulatory networks allow for a high degree of H2O2 biological plasticity. H2O2 modulates gene expression at all steps from transcription to protein synthesis. Fast response (s) is mediated by sensors with high H2O2 reactivity. Low reactivity H2O2 sensors may mediate slow (h) or localized H2O2 responses.
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Affiliation(s)
- H. Susana Marinho
- Departamento de Química e Bioquímica, Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
| | - Carla Real
- Departamento de Química e Bioquímica, Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
| | - Luísa Cyrne
- Departamento de Química e Bioquímica, Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
| | - Helena Soares
- Departamento de Química e Bioquímica, Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
- Escola Superior de Tecnologia da Saúde de Lisboa, IPL, Lisboa, Portugal
| | - Fernando Antunes
- Departamento de Química e Bioquímica, Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
- Corresponding author.
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Pinto ML, Fernandes AC, Rocha J, Ferreira A, Antunes F, Pires J. Microporous titanosilicates Cu2+– and Co2+–ETS-4 for storage and slow release of therapeutic nitric oxide. J Mater Chem B 2014; 2:224-230. [DOI: 10.1039/c3tb20929f] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Soares H, Marinho HS, Real C, Antunes F. Cellular polarity in aging: role of redox regulation and nutrition. Genes Nutr 2013; 9:371. [PMID: 24306961 DOI: 10.1007/s12263-013-0371-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2013] [Accepted: 11/19/2013] [Indexed: 02/06/2023]
Abstract
Cellular polarity concerns the spatial asymmetric organization of cellular components and structures. Such organization is important not only for biological behavior at the individual cell level, but also for the 3D organization of tissues and organs in living organisms. Processes like cell migration and motility, asymmetric inheritance, and spatial organization of daughter cells in tissues are all dependent of cell polarity. Many of these processes are compromised during aging and cellular senescence. For example, permeability epithelium barriers are leakier during aging; elderly people have impaired vascular function and increased frequency of cancer, and asymmetrical inheritance is compromised in senescent cells, including stem cells. Here, we review the cellular regulation of polarity, as well as the signaling mechanisms and respective redox regulation of the pathways involved in defining cellular polarity. Emphasis will be put on the role of cytoskeleton and the AMP-activated protein kinase pathway. We also discuss how nutrients can affect polarity-dependent processes, both by direct exposure of the gastrointestinal epithelium to nutrients and by indirect effects elicited by the metabolism of nutrients, such as activation of antioxidant response and phase-II detoxification enzymes through the transcription factor nuclear factor (erythroid-derived 2)-like 2 (Nrf2). In summary, cellular polarity emerges as a key process whose redox deregulation is hypothesized to have a central role in aging and cellular senescence.
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Affiliation(s)
- Helena Soares
- Departamento de Química e Bioquímica, Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
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Bincoletto C, Bechara A, Pereira GJS, Santos CP, Antunes F, Peixoto da-Silva J, Muler M, Gigli RD, Monteforte PT, Hirata H, Jurkiewicz A, Smaili SS. Interplay between apoptosis and autophagy, a challenging puzzle: new perspectives on antitumor chemotherapies. Chem Biol Interact 2013; 206:279-88. [PMID: 24121004 DOI: 10.1016/j.cbi.2013.09.018] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Revised: 09/19/2013] [Accepted: 09/28/2013] [Indexed: 01/08/2023]
Abstract
Autophagy is a mechanism of protection against various forms of human diseases, such as cancer, in which autophagy seems to have an extremely complex role. In cancer, there is evidence that autophagy may be oncogenic in some contexts, whereas in others it clearly contributes to tumor suppression. In addition, studies have demonstrated the existence of a complex relationship between autophagy and cell death, determining whether a cell will live or die in response to anticancer therapies. Nevertheless, we still need to complete the autophagy-apoptosis puzzle in the tumor context to better address appropriate chemotherapy protocols with autophagy modulators. Generally, tumor cell resistance to anticancer induced-apoptosis can be overcome by autophagy inhibition. However, when an extensive autophagic stimulus is activated, autophagic cell death is observed. In this review, we discuss some details of autophagy and its relationship with tumor progression or suppression, as well as role of autophagy-apoptosis in cancer treatments.
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Affiliation(s)
- C Bincoletto
- Departamento de Farmacologia, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil.
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Galindo TPS, Pereira R, Freitas AC, Santos-Rocha TAP, Rasteiro MG, Antunes F, Rodrigues D, Soares AMVM, Gonçalves F, Duarte AC, Lopes I. Toxicity of organic and inorganic nanoparticles to four species of white-rot fungi. Sci Total Environ 2013; 458-460:290-297. [PMID: 23665417 DOI: 10.1016/j.scitotenv.2013.04.019] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2012] [Revised: 03/07/2013] [Accepted: 04/06/2013] [Indexed: 06/02/2023]
Abstract
The rapid development of nanoparticles (NP) for industrial applications and large-volume manufacturing, with its subsequent release into the environment, raised the need to understand and characterize the potential effects of NP to biota. Accordingly, this work aimed to assess sublethal effects of five NP to the white-rot fungi species Trametes versicolor, Lentinus sajor caju, Pleurotus ostreatus, and Phanerochaete chrysosporium. Each species was exposed to serial dilutions of the following NP: organic-vesicles of SDS/DDAB and of Mo/NaO; gold-NP, quantum dot CdSe/ZnS, and Fe/Co. Fungi growth rate was monitored every day, and at the end of assay the mycelium from each replicate was collected to evaluate possible changes in its chemical composition. For all NP-suspensions the following parameters were characterized: hydrodynamic diameter, surface charge, aggregation index, zeta potential, and conductivity. All tested NP tended to aggregate when suspended in aqueous media. The obtained results showed that gold-NP, CdSe/ZnS, Mo/NaO, and SDS/DDAB significantly inhibited the growth of fungi with effects on the mycelium chemical composition. Among the tested NP, gold-NP and CdSe/ZnS were the ones exerting a higher effect on the four fungi. Finally to our knowledge, this is the first study reporting that different types of NP induce changes in the chemical composition of fungi mycelium.
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Affiliation(s)
- T P S Galindo
- CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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Oliveira-Marques V, Silva T, Cunha F, Covas G, Marinho HS, Antunes F, Cyrne L. A quantitative study of the cell-type specific modulation of c-Rel by hydrogen peroxide and TNF-α. Redox Biol 2013; 1:347-52. [PMID: 24024170 PMCID: PMC3757704 DOI: 10.1016/j.redox.2013.05.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Revised: 05/22/2013] [Accepted: 05/29/2013] [Indexed: 01/12/2023] Open
Abstract
Hydrogen peroxide (H2O2) at moderate steady-state concentrations synergizes with TNF-α, leading to increased nuclear levels of NF-κB p65 subunit and to a cell-type specific up-regulation of a limited number of NF-κB-dependent genes. Here, we address how H2O2 achieves this molecular specificity. HeLa and MCF-7 cells were exposed to steady-state H2O2 and/or TNF-α and levels of c-Rel, p65, IκB-α, IκB-β and IκB-ε were determined. For an extracellular concentration of 25 µM H2O2, the intracellular H2O2 concentration is 3.7 µM and 12.5 µM for respectively HeLa and MCF-7 cells. The higher cytosolic H2O2 concentration present in MCF-7 cells may be a contributing factor for the higher activation of NF-κB caused by H2O2 in this cell line, when compared to HeLa cells. In both cells lines, H2O2 precludes the recovery of TNF-α-dependent IκB-α degradation, which may explain the observed synergism between H2O2 and TNF-α concerning p65 nuclear translocation. In MCF-7 cells, H2O2, in the presence of TNF-α, tripled the induction of c-Rel triggered either by TNF-α or H2O2. Conversely, in HeLa cells, H2O2 had a small antagonistic effect on TNF-α-induced c-Rel nuclear levels, concomitantly with a 50 % induction of IκB-ε, the preferential inhibitor protein of c-Rel dimers. The 6-fold higher c-Rel/IκB-ε ratio found in MCF-7 cells when compared with HeLa cells, may be a contributing factor for the cell-type dependent modulation of c-Rel by H2O2. Our results suggest that H2O2 might have an important cell-type specific role in the regulation of c-Rel-dependent processes, e.g. cancer or wound healing. Selective modulation of individual NF-κB-dependent genes expression by H2O2. In MCF-7 cells H2O2 tripled the TNF-α 4-fold induction of c-Rel nuclear levels. In HeLa cells, H2O2 had an antagonistic effect on TNF-α induced c-Rel translocation. c-Rel dimers bind chiefly to IκB-α/IκB-ε in MCF-7 cells and to IκB-ε in HeLa cells.
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Key Words
- GPx, glutathione peroxidase
- H2O2 gradient
- H2O2, hydrogen peroxide
- HeLa cells
- Inflammation
- IκB-α, inhibitory protein α of NF-κB
- IκB-β, inhibitory protein β of NF-κB
- IκB-ε, inhibitory protein ε of NF-κB
- MCF-7 cells
- MTT, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide
- NF-κB
- NF-κB, nuclear factor-kappa B
- Steady-state
- TNF-α, tumor necrosis factor-alpha
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Affiliation(s)
- Virgínia Oliveira-Marques
- Grupo de Biologia Redox, Centro de Química e Bioquímica and Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade de Lisboa, Campo Grande, C8, 1749-016 Lisboa, Portugal
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Teixeira A, Jesus P, Antunes F, Mota B. Cateterismo posterior do plexo braquial em cão: estudo radiológico e avaliação de três protocolos anestésicos na duração do bloqueio motor e sensitivo. ARQ BRAS MED VET ZOO 2013. [DOI: 10.1590/s0102-09352013000300008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Avaliou-se a eficiência do cateterismo posterior do plexo braquial em cães para promover bloqueio motor e sensitivo, por meio de três protocolos anestésicos. Foram utilizados nove cães, machos e fêmeas, sem distinção de raça e idade, com peso variando de 6 a 15kg, distribuídos em três grupos de três animais por grupo. Após a confirmação do correto posicionamento do cateter pela via posterior do plexo braquial por meio do exame radiográfico, foram aplicadas as medicações de acordo com os grupos. No grupo 1, a solução anestésica de bupivacaína 0,5% sem vasoconstrictor, na dose de 2mg.kg-1, foi usada isoladamente. No grupo 2, a solução anestésica de bupivacaína foi associada ao butorfanol na dose de 0,25mg.kg-1 . No grupo 3, o fentanil, na dose de 0,005mg.kg¹, foi associado à solução anestésica de bupivacaína. Não houve diferença estatística significante entre os grupos. Observou-se que a duração dos bloqueios motor e sensitivo foi clinicamente maior no grupo 2. O cateterismo posterior do plexo braquial permite a aplicação de fármacos mais próximos do plexo nervoso, promovendo analgesia complementar nos membros anteriores.
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Affiliation(s)
- A.N. Teixeira
- Universidade Estadual do Norte Fluminense Darcy Ribeiro
| | - P.O.B. Jesus
- Universidade Estadual do Norte Fluminense Darcy Ribeiro
| | - F. Antunes
- Universidade Estadual do Norte Fluminense Darcy Ribeiro
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Kutlay S, Kurultak I, Nergizoglu G, Erturk S, Karatan O, Azevedo P, Pinto CT, Pereira CM, Marinho A, Vanmassenhove J, Hoste E, Glorieux G, Dhondt A, Vanholder R, Van Biesen W, Rei S, Aleksandrova I, Kiselev V, Ilynskiy M, Berdnikov G, Marchenkova L, Vanmassenhove J, Hoste E, Glorieux G, Dhondt A, Vanholder R, Van Biesen W, Daher EF, Vieira APF, Souza JB, Falcao FS, Costa CR, Fernandes AACS, Mota RMS, Lima RSA, Silva Junior GB, Ulusal Okyay G, Erten Y, Er R, Aybar M, Inal S, Tekbudak M, Aygencel G, Onec K, Bali M, Sindel S, Soto K, Fidalgo P, Papoila AL, Vanmassenhove J, Hoste E, Glorieux G, Dhondt A, Vanholder R, Van Biesen W, Lentini P, Zanoli L, Granata A, Contestabile A, Basso A, Berlingo G, de Cal M, Pellanda V, Dell'Aquila R, Fortrie G, Stads S, van Bommel J, Zietse R, Betjes MG, Berrada A, Arias C, Riera M, Orfila MA, Rodriguez E, Barrios C, Peruzzi L, Chiale F, Camilla R, Martano C, Cresi F, Bertino E, Coppo R, Klimenko A, Villevalde S, Efremovtseva M, Kobalava Z, Pipili C, Ioannidou S, Kokkoris S, Poulaki S, Tripodaki ES, Parisi M, Papastylianou A, Nanas S, Wang YN, Cheng H, Chen YP, Wen Z, Li X, Shen P, Zou Y, Lu Y, Ma X, Chen Y, Ren H, Chen X, Chen N, Yue T, Cheng H, Chen YP, Elmamoun S, Wodeyar H, Goldsmith C, Abraham A, Wootton A, Ahmed S, Hill C, Curtis S, Miller A, Hine T, Stevens KK, Patel RK, Mark PB, Delles C, Jardine AG, Wilflingseder J, Heinzel A, Mayer P, Perco P, Kainz A, Mayer B, Oberbauer R, Huang TM, Wu VC, Park DJ, Bae EJ, Kang YJ, Cho HS, Chang SH, Lentini P, Zanoli L, Granata A, Contestabile A, Berlingo G, Basso A, Pellanda V, de Cal M, Stramana R, Cognolato D, Baiocchi M, Dell'Aquila R, Chiella BM, Pilla C, Balbinotto A, Antunes VH, Heglert A, Collares FM, Thome FS, Gjyzari A, Thereska N, Xhango O, Xue J, Chen MC, Wang L, Chen YJ, Sun XZ, An WS, Kim ES, Son YK, Kim SE, Kim KH, Oh YJ, Tsai HB, Ko WJ, Chao CT, Fortrie G, Stads S, Aarnoudse AJL, Zietse R, Betjes MG, Peride I, Radulescu D, Niculae A, Ciocalteu A, Checherita AI, Kao CC, Wang CY, Lai CF, Huang TM, Chen HH, Wu VC, Ko WJ, Wu KD, Klaus F, Goldani JC, Cantisani G, Zanotelli ML, Carvalho L, Klaus D, Garcia VD, Keitel E, Hussaini SM, Rao PN, Kul A, Ye N, Zhang Y, Cheng H, Chen YP, Baines R, Westacott R, Trew J, Kirtley J, Selby N, Carr S, Xu G, Steffgen J, Blaschke S, Brun-Schulte-Wissing N, Pagel P, Huber F, Mapes J, Jaehnige A, Pestel S, Deray G, Rouviere O, Bacigalupo L, Maes B, Hannedouche T, Vrtovsnik F, Rigothier C, Billiouw JM, Campioni P, Marti-Bonmati L, Gao YM, Li D, Cheng H, Chen YP, Woo S, Lee J, Noh H, Kwon SH, Han DC, Hetherington L, Valluri A, McQuarrie E, Fleming S, Geddes C, Bell S, MacKinnon B, Bell S, Patton A, Sneddon J, Donnan P, Vadiveloo T, Marwick C, Bennie M, Davey P, Yasuda H, Tsuji N, Tsuji T, Iwakura T, Ohashi N, Kato A, Fujigaki Y, Sasaki S, Kawarazaki H, Shibagaki Y, Kimura K, Lingaraju U, Rajanna S, Radhakrishnan H, Parekh A, Sreedhar CG, Sarvi R, Rainone F, Merlino L, Ritchie JP, Kalra PA, Daher EF, Vieira APF, Jacinto CN, Abreu KLS, Silva Junior GB, Neves M, Baptista JP, Rodrigues L, Pinho J, Teixeira L, Pimentel J, Gonzalez Sanchidrian S, Rangel Hidalgo G, Cebrian Andrada C, Deira Lorenzo J, Marin Alvarez J, Garcia-Bernalt Funes V, Gallego Dominguez S, Labrador Gomez P, Castellano Cervino I, Novillo Santana R, Gomez-Martino Arroyo J, Kim Y, Choi BS, Kim YO, Yoon SA, Lin MC, Wu VC, Ko WJ, Wu KD, Wang WJ, Melo MJ, Lopes JA, Raimundo M, Fragoso A, Antunes F, Martin-Moreno PL, Varo N, Restituto P, Sayon-Orea C, Garcia-Fernandez N, Leite Filho NCV, Souza LEO, Cavalcante RM, Silva Junior GB, Morais BM, Leite TT, Silva SL, Kubrusly M, Daher EF, Jung YS, Kim YN, Shin HS, Rim H, Bentall A, Al-Baaj F, Williamson S, Cheshire S, Jelakovic M, Ivkovic V, Laganovic M, Karanovic S, Pecin I, Premuzic V, Vukovic Lela I, Vrdoljak A, Fucek M, Cvitkovic A, Juric D, Bozina N, Bitunjac M, Leko N, Abramovic Baric M, Matijevic V, Jelakovic B, Ullah A, Exarchou K, Archer T, Anijeet H, Brown R, Ahmed S, Zhang Y, Ye N, Cheng H, Cheng YP, Rocha JCG, Gushiken da Silva T, de Castro PF, Kioroglo PS, Branco Martins JP, Tzanno-Martins C, Biesenbach P, Luf F, Fleischmann E, Grunberger T, Druml W, Gaipov A, Turkmen K, Toker A, Solak Y, Cicekler H, Ucar R, Kilicaslan A, Gormus N, Tonbul HZ, Yeksan M, Turk S, Monteburini T, Cenerelli S, Santarelli S, Boggi R, Tazza L, Bossola M, Ferraresi M, Merlo I, Giovinazzo G, Quercia AD, Gai M, Leonardi G, Anania P, Guarena C, Cantaluppi V, Pacitti A, Biancone L, Hissa PNG, Daher EDF, Liborio AB, Thereza BMF, Mendes CCP, Sousa ARO. AKI - human studies. Nephrol Dial Transplant 2013. [DOI: 10.1093/ndt/gft129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Silva GAP, Kummerle AE, Antunes F, Fraga CAM, Barreiro EJ, Zapata-Sudo G, Sudo RT. Impairment of locomotor activity induced by the novel N-acylhydrazone derivatives LASSBio-785 and LASSBio-786 in mice. Braz J Med Biol Res 2013; 46:263-9. [PMID: 23558854 PMCID: PMC3854378 DOI: 10.1590/1414-431x20122085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2012] [Accepted: 11/23/2012] [Indexed: 11/26/2022] Open
Abstract
The N-acylhydrazone (NAH) analogues N-methyl 2-thienylidene
3,4-benzoylhydrazine (LASSBio-785) and N-benzyl 2-thienylidene
3,4-benzoylhydrazine (LASSBio-786) were prepared from 2-thienylidene
3,4-methylenedioxybenzoylhydrazine (LASSBio-294). The ability of LASSBio-785 and
LASSBio-786 to decrease central nervous system activity was investigated in male
Swiss mice. LASSBio-785 or LASSBio-786 (30 mg/kg, ip) reduced
locomotor activity from 209 ± 26 (control) to 140 ± 18 (P < 0.05) or 146 ± 15
crossings/min (P < 0.05), respectively. LASSBio-785 (15 or 30 mg/kg,
iv) also reduced locomotor activity from 200 ± 15 to 116 ±
29 (P < 0.05) or 60 ± 16 crossings/min (P < 0.01), respectively. Likewise,
LASSBio-786 (15 or 30 mg/kg, iv) reduced locomotor activity
from 200 ± 15 to 127 ± 10 (P < 0.01) or 96 ± 14 crossings/min (P < 0.01),
respectively. Pretreatment with flumazenil (20 mg/kg, ip)
prevented the locomotor impairment induced by NAH analogues (15 mg/kg,
iv), providing evidence that the benzodiazepine (BDZ)
receptor is involved. This finding was supported by the structural similarity of
NAH analogues to midazolam. However, LASSBio-785 showed weak binding to the BDZ
receptor. LASSBio-785 or LASSBio-786 (30 mg/kg, ip, n = 10)
increased pentobarbital-induced sleeping time from 42 ± 5 (DMSO) to 66 ± 6 (P
< 0.05) or 75 ± 4 min (P < 0.05), respectively. The dose required to
achieve 50% hypnosis (HD50) following iv injection
of LASSBio-785 or LASSBio-786 was 15.8 or 9.5 mg/kg, respectively. These data
suggest that both NAH analogues might be useful for the development of new
neuroactive drugs for the treatment of insomnia or for use in conjunction with
general anesthesia.
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Affiliation(s)
- G A P Silva
- Programa de Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
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Abstract
The most common mechanism described for the activation of the transcription factor Nrf2 is based on the inhibition of its degradation in the cytosol followed by its translocation to the nucleus. Recently, Nrf2 de novo synthesis was proposed as an additional mechanism for the rapid upregulation of Nrf2 by hydrogen peroxide (H2O2). Here, we describe a detailed protocol, including solutions, pilot experiments, and experimental setups, which allows exploring the role of H2O2, delivered either as a bolus or as a steady state, in endogenous Nrf2 translocation and synthesis. We also show experimental data, illustrating that H2O2 effects on Nrf2 activation in HeLa cells are strongly dependent both on the H2O2 concentration and on the method of H2O2 delivery. The de novo synthesis of Nrf2 is triggered within 5min of exposure to low concentrations of H2O2, preceding Nrf2 translocation to the nucleus which is slower. Evidence of de novo synthesis of Nrf2 is observed only for low H2O2 steady-state concentrations, a condition that is prevalent in vivo. This study illustrates the applicability of the steady-state delivery of H2O2 to uncover subtle regulatory effects elicited by H2O2 in narrow concentration and time ranges.
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Affiliation(s)
- Gonçalo Covas
- Departamento de Química e Bioquímica and Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
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Fernandes AC, Pinto ML, Antunes F, Pires J. Clay based materials for storage and therapeutic release of nitric oxide. J Mater Chem B 2013; 1:3287-3294. [DOI: 10.1039/c3tb20535e] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Rodrigues JR, Ferrer R, Gamboa N, Charris J, Antunes F. Potential antitumour and pro-oxidative effects of (E)-methyl 2-(7-chloroquinolin-4-ylthio)-3-(4-hydroxyphenyl) acrylate (QNACR). J Enzyme Inhib Med Chem 2012; 28:1300-6. [DOI: 10.3109/14756366.2012.736385] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Affiliation(s)
- Juan R. Rodrigues
- Laboratory of Biochemistry of Oxidants and Antioxidants, Centre and Department of Chemistry and Biochemistry, School of Sciences, University of Lisbon,
Lisbon, Portugal
| | - Rosa Ferrer
- Laboratory of Organic Synthesis and Biochemistry, School of Pharmacy, Central University of Venezuela,
Los Chaguaramos, Caracas, Venezuela
| | - Neira Gamboa
- Laboratory of Organic Synthesis and Biochemistry, School of Pharmacy, Central University of Venezuela,
Los Chaguaramos, Caracas, Venezuela
| | - Jaime Charris
- Laboratory of Organic Synthesis and Biochemistry, School of Pharmacy, Central University of Venezuela,
Los Chaguaramos, Caracas, Venezuela
| | - Fernando Antunes
- Laboratory of Biochemistry of Oxidants and Antioxidants, Centre and Department of Chemistry and Biochemistry, School of Sciences, University of Lisbon,
Lisbon, Portugal
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Pedroso N, Gomes-Alves P, Marinho HS, Brito VB, Boada C, Antunes F, Herrero E, Penque D, Cyrne L. The plasma membrane-enriched fraction proteome response during adaptation to hydrogen peroxide in Saccharomyces cerevisiae. Free Radic Res 2012; 46:1267-79. [PMID: 22712517 DOI: 10.3109/10715762.2012.704997] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In Saccharomyces cerevisiae, adaptation to hydrogen peroxide (H₂O₂) decreases plasma membrane permeability to H₂O₂, changes its lipid composition and reorganizes ergosterol-rich microdomains by a still unknown mechanism. Here we show, by a quantitative analysis of the H₂O₂-induced adaptation effect on the S. cerevisiae plasma membrane-enriched fraction proteome, using two-dimensional gel electrophoresis, that 44 proteins are differentially expressed. Most of these proteins were regulated at a post-transcriptional level. Fourteen of these proteins contain redox-sensitive cysteine residues and nine proteins are associated with lipid and vesicle traffic. In particular, three proteins found in eisosomes and in the eisosome-associated membrane compartment occupied by Can1p were up-regulated (Pil1p, Rfs1p and Pst2p) during adaptation to H₂O₂. Survival studies after exposure to lethal H₂O₂ doses using yeast strains bearing a gene deletion corresponding to proteins associated to lipid and vesicle traffic demonstrated for the first time that down-regulation of Kes1p, Vps4p and Ynl010wp and up-regulation of Atp1 and Atp2 increases resistance to H₂O₂. Moreover, for the pil1Δ strain, H₂O₂ at low levels produces a hormetic effect by increasing proliferation. In conclusion, these data further confirms the plasma membrane as an active cellular site during adaptation to H₂O₂ and shows that proteins involved in lipid and vesicle traffic are important mediators of H₂O₂ adaptation.
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Affiliation(s)
- Nuno Pedroso
- Departamento de Química e Bioquímica & Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Portugal
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Baptista M, Silveira A, Antunes F. Theoretical analysis of the kinetic performance of laboratory- and full-scale composting systems. Waste Manag Res 2012; 30:700-707. [PMID: 22452956 DOI: 10.1177/0734242x11433528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Composting research at laboratory-scale is critical for the development of optimized full-scale plants. Discrepancies between processes at laboratory-scale and full-scale systems have been investigated in terms of heat balances, but a kinetic analysis of this issue is still missing. In this study, the composting rate at laboratory-scale was, on average, between 1.9 and 5.7 times faster than in full-scale systems for a set of published studies using municipal solid waste, food waste or similar materials. Laboratory-scale performance and full-scale systems were limited to 71 and 46%, respectively, of their maximum potential due to poor management of environmental process conditions far from their optimum. The main limiting environmental factor was found to be moisture content, followed by temperature. Besides environmental factors, waste composition and particle size were identified as factors accounting for kinetic differences between laboratory- and full-scale systems. Overall, this study identifies those factors that affect the kinetics of the composting process most and revealed a significant margin for reducing process time in full-scale composting.
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Affiliation(s)
- Marco Baptista
- Departamento de Ciências e Engenharia do Ambiente, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Quinta da Torre, Caparica, Portugal.
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