101
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Deidda M, Noto A, Bassareo PP, Cadeddu Dessalvi C, Mercuro G. Metabolomic Approach to Redox and Nitrosative Reactions in Cardiovascular Diseases. Front Physiol 2018; 9:672. [PMID: 29997515 PMCID: PMC6031070 DOI: 10.3389/fphys.2018.00672] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 05/15/2018] [Indexed: 11/16/2022] Open
Abstract
Metabolomics, also referred to as metabonomics, is one of the most recent innovative technologies in medicine. It offers a direct functional read-out of phenotypes by the detection, identification, and quantification of a large number of metabolites within a biological sample such as urine and blood. Metabolites (<1500 Da) represent the output of cellular metabolism, accounting for expression and activity of genes, transcripts, and proteins, and offering unique insights into small molecule regulation, which may uncover new biochemical patterns. Metabolomics research has considerable potential for translating the metabolic fingerprint into personalized therapeutic strategies. Within the field of interest, cardiovascular disease (CVD) is one of the most developed areas. However, CVD remains the leading cause of death worldwide with a marked increase in mortality rates over the past six decades. In this scenario, recent findings indicate the important role of redox and nitrosative (RN) reactions in CVD development and progression. RN reactions are generally involved in the homeostatic modulation of a wide number of cellular and organ functions. Conversely, the imbalance of these reactions may lead to a condition of allostasis that in turn can cause CVD. The aim of this review is to highlight how the use of metabolomics may be useful for the study of RN reactions related to CVD, providing a tool to understand the mechanisms underlying reactions that could lead to impaired ROS or RNS formation.
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Affiliation(s)
- Martino Deidda
- Department of Medical Sciences and Public Health, University of Cagliari, Sardinia, Italy
| | - Antonio Noto
- Department of Medical Sciences and Public Health, University of Cagliari, Sardinia, Italy
| | - Pier P Bassareo
- Department of Medical Sciences and Public Health, University of Cagliari, Sardinia, Italy
| | | | - Giuseppe Mercuro
- Department of Medical Sciences and Public Health, University of Cagliari, Sardinia, Italy
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102
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Antonucci I, Fiorentino G, Contursi P, Minale M, Riccio R, Riccio S, Limauro D. Antioxidant Capacity of Rigenase ®, a Specific Aqueous Extract of Triticum vulgare. Antioxidants (Basel) 2018; 7:E67. [PMID: 29772758 PMCID: PMC5981253 DOI: 10.3390/antiox7050067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 04/27/2018] [Accepted: 05/16/2018] [Indexed: 11/29/2022] Open
Abstract
Reactive species of oxygen (ROS), responsible for oxidative stress, accumulate in various tissues damaged by burns, decubitus ulcers, and vascular lesions. Antioxidants play an important and well-documented role in healing of chronic and acute wounds. Rigenase®, a specific extract of Triticum vulgare manufactured by Farmaceutici Damor, is employed in products used for the regeneration of tissue injuries. In this work, we show that Rigenase® exhibits a scavenging effect toward free radicals, thus pointing to its relevant antioxidant activity.
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Affiliation(s)
- Immacolata Antonucci
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Complesso Universitario Monte S. Angelo, 80126 Naples, Italy.
| | - Gabriella Fiorentino
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Complesso Universitario Monte S. Angelo, 80126 Naples, Italy.
| | - Patrizia Contursi
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Complesso Universitario Monte S. Angelo, 80126 Naples, Italy.
| | | | - Rodolfo Riccio
- Farmaceutici Damor S.p.A, Via E. Scaglione 27, 80145 Naples, Italy.
| | - Salvatore Riccio
- Farmaceutici Damor S.p.A, Via E. Scaglione 27, 80145 Naples, Italy.
| | - Danila Limauro
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Complesso Universitario Monte S. Angelo, 80126 Naples, Italy.
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103
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Cuomo JR, Javaheri SP, Sharma GK, Kapoor D, Berman AE, Weintraub NL. How to prevent and manage radiation-induced coronary artery disease. Heart 2018; 104:1647-1653. [PMID: 29764968 DOI: 10.1136/heartjnl-2017-312123] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 04/10/2018] [Accepted: 04/16/2018] [Indexed: 01/04/2023] Open
Abstract
Radiation-induced coronary heart disease (RICHD) is the second most common cause of morbidity and mortality in patients treated with radiotherapy for breast cancer, Hodgkin's lymphoma and other prevalent mediastinal malignancies. The risk of RICHD increases with radiation dose. Exposed patients may present decades after treatment with manifestations ranging from asymptomatic myocardial perfusion defects to ostial, triple-vessel disease and sudden cardiac death. RICHD is insidious, with a long latency and a tendency to remain silent late into the disease course. Vessel involvement is often diffuse and is preferentially proximal. The pathophysiology is similar to that of accelerated atherosclerosis, characterised by the formation of inflammatory plaque with high collagen and fibrin content. The presence of conventional risk factors potentiates RICHD, and aggressive risk factor management should ideally be initiated prior to radiation therapy. Stress echocardiography is more sensitive and specific than myocardial perfusion imaging in the detection of RICHD, and CT coronary angiography shows promise in risk stratification. Coronary artery bypass grafting is associated with higher risks of graft failure, perioperative complications and all-cause mortality in patients with RICHD. In most cases, the use of drug-eluting stents is preferable to surgical intervention, bare metal stenting or balloon-angioplasty alone.
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Affiliation(s)
- Jason R Cuomo
- Department of Medicine, Division of Cardiology, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Sean P Javaheri
- Department of Medicine, Division of Cardiology, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Gyanendra K Sharma
- Department of Medicine, Division of Cardiology, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Deepak Kapoor
- Department of Medicine, Division of Cardiology, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Adam E Berman
- Department of Medicine, Division of Cardiology, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Neal L Weintraub
- Department of Medicine, Division of Cardiology, Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
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104
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Xiang C, Teng Y, Yao C, Li X, Cao M, Li X, Pan G, Lu K, Galons H, Yu P. Antioxidant properties of flavonoid derivatives and their hepatoprotective effects on CCl 4 induced acute liver injury in mice. RSC Adv 2018; 8:15366-15371. [PMID: 35539467 PMCID: PMC9080091 DOI: 10.1039/c8ra02523a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 04/12/2018] [Indexed: 11/21/2022] Open
Abstract
Excessive accumulation of free radicals in the body can cause liver damage, aging, cancer, stroke, and myocardial infarction. Anastatin B, a skeletal flavonoid, was reported to have antioxidant and hepatoprotective effects. Anastatin B derivatives, compound 1 and 2, were synthesized by our group previously. In this study, their antioxidant activity and hepatoprotective mechanism were studied using chemical evaluation methods, a cellular model of hydrogen peroxide (H2O2)-induced oxidative damage, and a mouse model of carbon tetrachloride (CCl4)-induced liver injury. Results from the chemical evaluation suggested that both compounds had good antioxidant power and radical scavenging ability in vitro. MTT assay showed that both compounds had cytoprotective activity in H2O2-treated PC12 cells. Moreover, their hepatoprotective activities evaluated using a mouse model of CCl4-induced liver injury that compared with the model group, pretreatment with compound 1 and 2 significantly decreased alanine transaminase (ALT), aspartate transaminase (AST), lactate dehydrogenase (LDH), and malondialdehyde (MDA) levels; reduced the liver tissue damage; and increased glutathione content. However, compound 2 was a more effective hepatoprotectant than compound 1 was. Finally, the amount of TNF-α and cytochrome P450 2E1 (CYP2E1) were significantly downregulated in compound 1 and 2 pretreatment groups. Collectively, our findings demonstrate that both compounds have potential antioxidant activity and hepatoprotective effect in vitro and in vivo. Further chemo-biological study and investigation of the compounds' enzymatic targets are ongoing.
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Affiliation(s)
- Cen Xiang
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology Tianjin 300457 China
| | - Yuou Teng
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology Tianjin 300457 China
| | - Chaoran Yao
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology Tianjin 300457 China
| | - Xuehui Li
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology Tianjin 300457 China
| | - Menglin Cao
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology Tianjin 300457 China
| | - Xuzhe Li
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology Tianjin 300457 China
| | - Guojun Pan
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology Tianjin 300457 China
| | - Kui Lu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology Tianjin 300457 China
| | - Hervé Galons
- UCTBS, INSERM U1022, Université Paris Descartes 4 Avenue de l'Observatoire 75006 France
| | - Peng Yu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology Tianjin 300457 China
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105
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Lygirou V, Latosinska A, Makridakis M, Mullen W, Delles C, Schanstra JP, Zoidakis J, Pieske B, Mischak H, Vlahou A. Plasma proteomic analysis reveals altered protein abundances in cardiovascular disease. J Transl Med 2018; 16:104. [PMID: 29665821 PMCID: PMC5905170 DOI: 10.1186/s12967-018-1476-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Accepted: 04/06/2018] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Cardiovascular disease (CVD) describes the pathological conditions of the heart and blood vessels. Despite the large number of studies on CVD and its etiology, its key modulators remain largely unknown. To this end, we performed a comprehensive proteomic analysis of blood plasma, with the scope to identify disease-associated changes after placing them in the context of existing knowledge, and generate a well characterized dataset for further use in CVD multi-omics integrative analysis. METHODS LC-MS/MS was employed to analyze plasma from 32 subjects (19 cases of various CVD phenotypes and 13 controls) in two steps: discovery (13 cases and 8 controls) and test (6 cases and 5 controls) set analysis. Following label-free quantification, the detected proteins were correlated to existing plasma proteomics datasets (plasma proteome database; PPD) and functionally annotated (Cytoscape, Ingenuity Pathway Analysis). Differential expression was defined based on identification confidence (≥ 2 peptides per protein), statistical significance (Mann-Whitney p value ≤ 0.05) and a minimum of twofold change. RESULTS Peptides detected in at least 50% of samples per group were considered, resulting in a total of 3796 identified proteins (838 proteins based on ≥ 2 peptides). Pathway annotation confirmed the functional relevance of the findings (representation of complement cascade, fibrin clot formation, platelet degranulation, etc.). Correlation of the relative abundance of the proteins identified in the discovery set with their reported concentrations in the PPD was significant, confirming the validity of the quantification method. The discovery set analysis revealed 100 differentially expressed proteins between cases and controls, 39 of which were verified (≥ twofold change) in the test set. These included proteins already studied in the context of CVD (such as apolipoprotein B, alpha-2-macroglobulin), as well as novel findings (such as low density lipoprotein receptor related protein 2 [LRP2], protein SZT2) for which a mechanism of action is suggested. CONCLUSIONS This proteomic study provides a comprehensive dataset to be used for integrative and functional studies in the field. The observed protein changes reflect known CVD-related processes (e.g. lipid uptake, inflammation) but also novel hypotheses for further investigation including a potential pleiotropic role of LPR2 but also links of SZT2 to CVD.
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Affiliation(s)
- Vasiliki Lygirou
- Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephessiou Street, 115 27, Athens, Greece
| | | | - Manousos Makridakis
- Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephessiou Street, 115 27, Athens, Greece
| | - William Mullen
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place, Glasgow, G12 8TA, UK
| | - Christian Delles
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place, Glasgow, G12 8TA, UK
| | - Joost P Schanstra
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institute of Cardiovascular and Metabolic Disease, Toulouse, France.,Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Jerome Zoidakis
- Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephessiou Street, 115 27, Athens, Greece
| | - Burkert Pieske
- Deutsches Herzzentrum Berlin, Augustenburger Pl. 1, 13353, Berlin, Germany
| | - Harald Mischak
- Mosaiques Diagnostics GmbH, Rotenburger Straße 20, 30659, Hannover, Germany
| | - Antonia Vlahou
- Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephessiou Street, 115 27, Athens, Greece.
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106
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Iacoviello L, Bonaccio M, Cairella G, Catani MV, Costanzo S, D'Elia L, Giacco R, Rendina D, Sabino P, Savini I, Strazzullo P. Diet and primary prevention of stroke: Systematic review and dietary recommendations by the ad hoc Working Group of the Italian Society of Human Nutrition. Nutr Metab Cardiovasc Dis 2018; 28:309-334. [PMID: 29482962 DOI: 10.1016/j.numecd.2017.12.010] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 12/28/2017] [Accepted: 12/29/2017] [Indexed: 12/23/2022]
Abstract
BACKGROUND AND AIMS To systematically review the latest evidence on established and emerging nutrition-related risk factors for incidence of and mortality from total, ischemic and haemorrhagic strokes. The present review was conducted in the framework of the work carried out through 2015 and 2016 for the preparation of the Italian Guidelines for the Prevention and Treatment of Stroke, 8th Edition, by ISO-SPREAD (Italian Stroke Organization and the Stroke Prevention and Educational Awareness Diffusion). METHODS AND RESULTS Systematic review of articles focused on primary prevention of stroke published between January 2013 to May 2016 through an extensive search of the literature using MEDLINE/PUBMED, EMBASE and the Cochrane Library. Articles were ranked according to the SIGN methodology while the GRADE system was used to establish the strength of recommendations. As a result of our literature search, we examined 87 meta-analyses overall (mainly of prospective studies), a few isolated more recent prospective studies not included in the meta-analyses, and a smaller number of available randomized controlled trials and case-control studies. Based on the analysis of the above articles, 36 Syntheses of the available evidence and 36 Recommendations were eventually prepared. The present document was developed by organizing the available evidence into three individual areas (nutrients, food groups and dietary patterns) to provide a systematic and user-friendly overview of the available evidence on the relationship between nutrition and primary prevention of stroke. Yet analysis of foods and food patterns allowed translating the information about nutrients in a tool more amenable to use in daily life also in the light of the argument that people eat foods rather than nutrients. CONCLUSIONS The present literature review and dietary recommendations provide healthcare professionals and all interested readers with a useful overview for the reduction of the risk of total, ischemic and haemorrhagic stroke through dietary modifications.
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Affiliation(s)
- L Iacoviello
- Department of Epidemiology and Prevention, IRCCS Istituto Neurologico Mediterraneo Neuromed, 86077, Pozzilli, IS, Italy; Department of Medicine and Surgery, Research Center in Epidemiology and Preventive Medicine (EPIMED), University of Insubria, 21100, Varese, Italy.
| | - M Bonaccio
- Department of Epidemiology and Prevention, IRCCS Istituto Neurologico Mediterraneo Neuromed, 86077, Pozzilli, IS, Italy
| | - G Cairella
- Servizio Igiene Alimenti e Nutrizione, ASL Rome B, Italy
| | - M V Catani
- Department of Experimental Medicine & Surgery, University of Rome 'Tor Vergata', 00133, Rome, Italy
| | - S Costanzo
- Department of Epidemiology and Prevention, IRCCS Istituto Neurologico Mediterraneo Neuromed, 86077, Pozzilli, IS, Italy
| | - L D'Elia
- Department of Clinical Medicine and Surgery, Federico II University of Naples Medical School, 80131, Naples, Italy
| | - R Giacco
- Institute of Food Science, National Research Council, 83100, Avellino, Italy
| | - D Rendina
- Department of Clinical Medicine and Surgery, Federico II University of Naples Medical School, 80131, Naples, Italy
| | - P Sabino
- Department of Clinical Medicine and Surgery, Federico II University of Naples Medical School, 80131, Naples, Italy
| | - I Savini
- Department of Experimental Medicine & Surgery, University of Rome 'Tor Vergata', 00133, Rome, Italy
| | - P Strazzullo
- Department of Clinical Medicine and Surgery, Federico II University of Naples Medical School, 80131, Naples, Italy.
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107
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Boroumand F, Mahmoudinasab H, Saadat M. Association of the SOD2 (rs2758339 and rs5746136) polymorphisms with the risk of heroin dependency and the SOD2 expression levels. Gene 2018; 649:27-31. [DOI: 10.1016/j.gene.2018.01.074] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 01/07/2018] [Accepted: 01/22/2018] [Indexed: 12/17/2022]
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108
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Mollenhauer M, Mehrkens D, Rudolph V. Nitrated fatty acids in cardiovascular diseases. Nitric Oxide 2018; 78:S1089-8603(17)30292-6. [PMID: 29588164 DOI: 10.1016/j.niox.2018.03.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 03/21/2018] [Accepted: 03/21/2018] [Indexed: 11/26/2022]
Abstract
Cardiovascular disease (CVD) is the leading cause of death and accounts for one third of disease-related mortality worldwide. Dysregulated redox mechanisms, in particular the formation of reactive oxygen species (ROS) play a pivotal pathogenetic role in CVD. Nitro-fatty acids (NO2-FAs) are electrophilic molecules which have a NO2-group bound to one of their olefinic carbons. They are endogenously formed by the reaction of reactive nitrogen species with unsaturated fatty acids. Basal levels of NO2-FAs are in the low nanomolar range and higher concentrations can be encountered under acidic (stomach) and inflammatory (e.g. ischemia/reperfusion) conditions. Dietary intake of polyunsaturated fatty acids in combination with nitrites raises circulating NO2-FAs to a clinically relevant level in mice. NO2-FAs undergo reversible covalent binding to cysteine residues and by virtue of these posttranslational protein modifications act as potent anti-inflammatory signaling mediators via modulation of various critical pathways like nuclear factor E2-related factor 2 (Nrf2)- and peroxisome proliferator-activated receptor γ (PPARγ) activation, nuclear factor-kappa B (NF-κB) inhibition and hem oxygenase-1 (HO-1)- and heat shock protein (HSP) induction. In this review article, we summarize recent findings about the effects and underlying molecular mechanisms of NO2-FAs from a variety of pre-clinical cardiovascular disease models. The described findings suggest the potential of NO2-FAs to emerge as therapeutic agents with a broad range of potential clinical applications for CVD.
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Affiliation(s)
- Martin Mollenhauer
- Department of Cardiology, Heart Center, University of Cologne, Cologne, Germany; Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Dennis Mehrkens
- Department of Cardiology, Heart Center, University of Cologne, Cologne, Germany; Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Volker Rudolph
- Department of Cardiology, Heart Center, University of Cologne, Cologne, Germany; Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany.
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109
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Fiordelisi A, Piscitelli P, Trimarco B, Coscioni E, Iaccarino G, Sorriento D. The mechanisms of air pollution and particulate matter in cardiovascular diseases. Heart Fail Rev 2018; 22:337-347. [PMID: 28303426 DOI: 10.1007/s10741-017-9606-7] [Citation(s) in RCA: 228] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Clinical and epidemiological studies demonstrate that short- and long-term exposure to air pollution increases mortality due to respiratory and cardiovascular diseases. Given the increased industrialization and the increased sources of pollutants (i.e., cars exhaust emissions, cigarette smoke, industry emissions, burning of fossil fuels, incineration of garbage), air pollution has become a key public health issue to solve. Among pollutants, the particulate matter (PM) is a mixture of solid and liquid particles which differently affects human health depending on their size (i.e., PM10 with a diameter <10 μm reach the lung and PM2.5 with a diameter <2.5 μm penetrate deeper into the lung). In particular, the acute exposure to PM10 and PM2.5 increases the rate of cardiovascular deaths. Thus, appropriate interventions to reduce air pollution may promote great benefits to public health by reducing the risk of cardiovascular diseases. Several biological mechanisms have been identified to date which could be responsible for PM-dependent adverse cardiovascular outcomes. Indeed, the exposure to PM10 and PM2.5 induces sustained oxidative stress and inflammation. PM2.5 is also able to increase autonomic nervous system activation. Some potential therapeutic approaches have been tested both in pre-clinical and clinical studies, based on the intake of antioxidants from dietary or by pharmacological administration. Studies are still in progress to increase the knowledge of PM activation of intracellular pathways and propose new strategies of intervention.
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Affiliation(s)
- Antonella Fiordelisi
- I.O.S, Southern Italy Hospital Institute, Medicina Futura Research, 80100, Naples, Italy
| | - Prisco Piscitelli
- I.O.S, Southern Italy Hospital Institute, Medicina Futura Research, 80100, Naples, Italy
| | - Bruno Trimarco
- Department of Advanced Biomedical Sciences, University Federico II of Naples, Via Pansini 5, 80131, Naples, Italy
| | - Enrico Coscioni
- Division of Cardiac Surgery, AOU San Giovanni di Dio e Ruggi d'Aragona, Via Largo d'Ippocrate, 84131, Salerno, Italy
| | - Guido Iaccarino
- Division of Cardiac Surgery, AOU San Giovanni di Dio e Ruggi d'Aragona, Via Largo d'Ippocrate, 84131, Salerno, Italy
- Department of Medicine and Surgery, University of Salerno, Via Salvator Allende, 84081, Baronissi, SA, Italy
| | - Daniela Sorriento
- Department of Advanced Biomedical Sciences, University Federico II of Naples, Via Pansini 5, 80131, Naples, Italy.
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110
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Formanowicz D, Radom M, Rybarczyk A, Formanowicz P. The role of Fenton reaction in ROS-induced toxicity underlying atherosclerosis – modeled and analyzed using a Petri net-based approach. Biosystems 2018; 165:71-87. [DOI: 10.1016/j.biosystems.2018.01.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 01/02/2018] [Accepted: 01/04/2018] [Indexed: 12/12/2022]
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111
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Ferro D, Franchi N, Bakiu R, Ballarin L, Santovito G. Molecular characterization and metal induced gene expression of the novel glutathione peroxidase 7 from the chordate invertebrate Ciona robusta. Comp Biochem Physiol C Toxicol Pharmacol 2018; 205:1-7. [PMID: 29253620 DOI: 10.1016/j.cbpc.2017.12.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 12/08/2017] [Accepted: 12/12/2017] [Indexed: 11/28/2022]
Abstract
In the present study, we describe the identified and characterized the gene and the transcript of a novel glutathione peroxidase-7 (GPx7) from the solitary ascidian Ciona robusta, an invertebrate chordate widely distributed in temperate shallow seawater. The putative nucleotide and amino acid sequences were compared with those of GPx7 from other metazoans and phylogenetic analysis suggests the presence of a high evolutionary pressure in the contest of neutral evolution. The mRNA of CrGPx7 is located in hemocytes and ovarian follicular cells, as revealed by in situ hybridization. The time course of CrGPx7 mRNA levels in the presence of Cd, Cu and Zn, showed upregulation in the final stages of the experiments, suggesting a role of GPx7 in late protection from oxidative stress. Our in silico analyses of the crgpx7 promoter region revealed putative consensus sequences similar to mammalian metal-responsive elements (MRE) and xenobiotic-responsive elements (XRE), suggesting that the transcription of these genes directly depends on metals. Cell-free extract from C. robusta tissues show the presence of selenium-independent GPx activity that is inhibited by the presence of metals.
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Affiliation(s)
- D Ferro
- Institute for Evolution and Biodiversity, Westfälische Wilhelms-Universität, Münster, Germany
| | - N Franchi
- Department of Biology, University of Padova, Padova, Italy
| | - R Bakiu
- Department of Aquaculture and Fisheries, Agricultural University of Tirana, Tirana, Albania
| | - L Ballarin
- Department of Biology, University of Padova, Padova, Italy.
| | - G Santovito
- Department of Biology, University of Padova, Padova, Italy
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112
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Chung YT, Chou CY, Tsai WC, Chen WK, Lin CL, Chung WS. Acetaminophen Poisoning May Increase Coronary Artery Disease Risk: A Nationwide Cohort Study. Cardiovasc Toxicol 2018; 18:386-391. [PMID: 29302859 DOI: 10.1007/s12012-017-9442-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The purpose of this nationwide cohort study was to investigate the incidence and risk of coronary artery disease (CAD) in patients with acetaminophen (APAP) poisoning. We identified the patients with APAP poisoning and randomly selected comparison patients according to a 1:4 ratio, matching them by age, sex, and the index year using data from the National Health Insurance Research Database from 2000 to 2010. We traced both cohorts until a diagnosis of CAD, loss to follow-up, or the end of 2011. In total, 2723 patients with APAP poisoning and 10,892 comparison patients have followed. The incidence rate of CAD was higher in the APAP poisoning cohort than in the non-APAP poisoning cohort (1.53 vs 0.87 per 1000 patient-years). The APAP poisoning cohort exhibited a 1.85-fold higher risk of CAD than did the non-APAP poisoning cohort (adjusted hazard ratio [aHR] 1.85; 95% confidence interval [CI] 1.16-2.94). Male sex, advanced age, and hypertension were independently associated with CAD risk. The risk of CAD was considerably higher within 3 years following APAP poisoning (aHR 2.73; 95% CI 1.31-5.69). This study indicated that APAP poisoning may increase risk of CAD development.
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Affiliation(s)
- Yu-Ting Chung
- Division of Emergency Medicine, Asia University Hospital, Taichung, Taiwan.,College of Public Health, China Medical University, Taichung, Taiwan
| | - Che-Yi Chou
- Division of Nephrolog, Asia University Hospital, Taichung, Taiwan
| | - Wen-Chen Tsai
- College of Public Health, China Medical University, Taichung, Taiwan.,Department of Health Services Administration, China Medical University, Taichung, Taiwan
| | - Wei-Kung Chen
- Department of Emergency Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Cheng-Li Lin
- Management Office for Health, China Medical University HospitalData, Taichung, Taiwan
| | - Wei-Sheng Chung
- Department of Health Services Administration, China Medical University, Taichung, Taiwan. .,Department of Internal Medicine, Taichung Hospital, Ministry of Health and Welfare, No. 199, Section 1, San-Min Road, Taichung City, 40343, Taiwan. .,Department of Healthcare Administration, Central Taiwan University of Science and Technology, Taichung, Taiwan.
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Han H, Qiu F, Zhao H, Tang H, Li X, Shi D. Dietary flaxseed oil improved western-type diet-induced atherosclerosis in apolipoprotein-E knockout mice. J Funct Foods 2018. [DOI: 10.1016/j.jff.2017.11.031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Ismail MK, Samera MY, Abid SK. Oxidative stress markers and antioxidant activity in patients admitted to Intensive Care Unit with acute myocardial infarction. Int J Health Sci (Qassim) 2018; 12:14-19. [PMID: 30202403 PMCID: PMC6124827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVES The aim of the study was to compare the levels of oxidative stress biomarkers and antioxidants in acute myocardial infarction (AMI) patients with healthy individuals and to investigate the effectiveness of these parameters as risk or illness indicators. METHODOLOGY This study was conducted on AMI patients admitted to Intensive Care Unit of Al-Salam Hospital and Ibn-Sina Hospital in Mosul, Iraq. Considering inclusion and exclusion criteria, a total of 161 patients and 156 healthy individuals in the age group of 30-80 years were selected for the study. The study groups were screened by estimating cardiac markers and electrocardiography (ECG). RESULTS The results indicated a significant increase in the level of serum malondialdehyde, peroxynitrite, and uric acid (P< 0.001). A minor increase in the serum ceruloplasmin level was observed in patients with AMI as compared to healthy individuals. The study also observed a significant decrease in the level of glutathione, Vitamin E, and Vitamin C (P< 0.001), with no significant difference in the level of Vitamin A in patients with AMI. CONCLUSION The imbalance in the oxidative status and antioxidant activity in AMI patients reflects the importance of measuring the level of serum oxidative stress biomarkers and antioxidants as a diagnostic and prognostic tool for the medical management of AMI. Oxidative stress biomarkers and antioxidants might be good predictors or indicators for the risk of AMI. Oxidative stress markers contribute in the pathogenesis of AMI and excess of reactive oxygen species overwhelm the stability of the antioxidants.
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Affiliation(s)
- May Khalil Ismail
- Department of Biomedical Sciences, Gulf Medical University, Ajman, United Arab Emirates,Address for correspondence: Dr. May Khalil Ismail, Department of Biomedical Sciences, Gulf Medical University, Ajman, United Arab Emirates. Mobile: +9710509646385. E-mail:
| | - M. Y. Samera
- Department of Physiology, Biochemistry & Pharmacology, College of Veterinary Medicine, University of Mosul, Iraq
| | - S. K. Abid
- Department of Biomedical Sciences, Gulf Medical University, Ajman, United Arab Emirates
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The Effect of On-Pump and Off-Pump Bypass Operations on Oxidative Damage and Antioxidant Parameters. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017. [PMID: 29527252 PMCID: PMC5748099 DOI: 10.1155/2017/8271376] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Objective The aim of the study is to determine the oxidative status in on-pump and off-pump coronary artery surgery and contribute to possible surgical choices in clinical practices in accordance with the information obtained as a result of this study. Methods 52 patients undergoing open heart surgery (26 patients in on-pump group and 26 patients in off-pump group) were included in the study. MDA, GPx, GSH, CAT, and SOD were investigated in blood samples. Results In the on-pump group, it was determined that there were a significant increase in MDA level in the peroperative period compared to the preoperative and postoperative periods and a significant increase in GSH level in the postoperative period than in the preoperative period. Additionally, while there was a significant decrease in CAT activity in the postoperative period than in the peroperative period, there was a statistically significant increase in SOD enzyme activity in the postoperative period compared to the preoperative and peroperative periods. A statistically significant increase was observed in SOD enzyme activity in the postoperative period in on-pump compared to off-pump group. Conclusion It is thought that this oxidative damage can be suppressed by administering a suitable antioxidant supplement in the preoperative and peroperative periods among patients undergoing the on-pump operation.
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Chemaly M, McGilligan V, Gibson M, Clauss M, Watterson S, Alexander HD, Bjourson AJ, Peace A. Role of tumour necrosis factor alpha converting enzyme (TACE/ADAM17) and associated proteins in coronary artery disease and cardiac events. Arch Cardiovasc Dis 2017; 110:700-711. [DOI: 10.1016/j.acvd.2017.08.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 08/13/2017] [Accepted: 08/16/2017] [Indexed: 02/07/2023]
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Infectious Agents in Atherosclerotic Cardiovascular Diseases through Oxidative Stress. Int J Mol Sci 2017; 18:ijms18112459. [PMID: 29156574 PMCID: PMC5713425 DOI: 10.3390/ijms18112459] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 11/14/2017] [Accepted: 11/16/2017] [Indexed: 12/13/2022] Open
Abstract
Accumulating evidence demonstrates that vascular oxidative stress is a critical feature of atherosclerotic process, potentially triggered by several infectious agents that are considered as risk co-factors for the atherosclerotic cardiovascular diseases (CVDs). C. pneumoniae has been shown to upregulate multiple enzymatic systems capable of producing reactive oxygen species (ROS) such as NADPH oxidase (NOX) and cyclooxygenase in vascular endothelial cells, NOX and cytochrome c oxidase in macrophages as well as nitric oxide synthase and lipoxygenase in platelets contributing to both early and late stages of atherosclerosis. P. gingivalis seems to be markedly involved in the atherosclerotic process as compared to A. actinomycetemcomitans contributing to LDL oxidation and foam cell formation. Particularly interesting is the evidence describing the NLRP3 inflammasome activation as a new molecular mechanism underlying P. gingivalis-induced oxidative stress and inflammation. Amongst viral agents, immunodeficiency virus-1 and hepatitis C virus seem to have a major role in promoting ROS production, contributing, hence, to the early stages of atherosclerosis including endothelial dysfunction and LDL oxidation. In conclusion, oxidative mechanisms activated by several infectious agents during the atherosclerotic process underlying CVDs are very complex and not well-known, remaining, thus, an attractive target for future research.
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Wang XB, Cui NH, Zhang S, Guo SR, Liu ZJ, Ming L. PARP-1 Variant Rs1136410 Confers Protection against Coronary Artery Disease in a Chinese Han Population: A Two-Stage Case-Control Study Involving 5643 Subjects. Front Physiol 2017; 8:916. [PMID: 29184509 PMCID: PMC5694467 DOI: 10.3389/fphys.2017.00916] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 10/30/2017] [Indexed: 12/11/2022] Open
Abstract
Inhibition of poly(ADP-ribose) polymerase (PARP) may protect against coronary artery disease (CAD) in animal models, and rs1136410, a non-synonymous single nucleotide polymorphism (SNP) in PARP-1, has a potential impact on PARP activities in vitro. This two-stage case-control study, involving 2803 CAD patients and 2840 controls, aimed to investigate the associations of PARP-1 rs1136410 with CAD development, lipid levels, PARP activities, 8-hydroxy-2'-dexyguanosine (8-OHdG), and interleukin (IL)-6 levels in a Chinese Han population. Assuming a recessive model, the variant genotype GG of SNP rs1136410 showed a significantly inverse association with CAD risk (adjusted odds ratio (OR) = 0.73, P < 0.001), left main coronary artery (LMCA) lesions (P = 0.003), vessel scores (P = 0.003), and modified Gensini scores (P < 0.001). There were significant correlations of SNP rs1136410 with higher levels of total cholesterol (TC) and lower levels of high-density lipoprotein cholesterol (HDL-c). In gene-environment interaction analyses, participants with the variant genotype GG, but without smoking habit, type 2 diabetes mellitus, and hyperlipidemia, conferred an 84% (P < 0.001) decreased risk of CAD. The genotype-phenotype correlation analyses further supported the functional roles of SNP rs1136410 in decreasing PARP activities and 8-OHdG levels. Taken together, our data suggest that SNP rs1136410 may confer protection against CAD through modulation of PARP activities and gene-environment interactions in a Chinese Han population.
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Affiliation(s)
- Xue-Bin Wang
- Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ning-Hua Cui
- Department of Clinical Laboratory, Children's Hospital of Zhengzhou, Zhengzhou, China
| | - Shuai Zhang
- Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Shu-Ren Guo
- Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ze-Jin Liu
- Center of Clinical Laboratory, Wuhan Asia Heart Hospital, Wuhan, China
| | - Liang Ming
- Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Szewczyk-Golec K, Grzelakowski P, Ługowski T, Kędziora J. The effects of percutaneous transluminal coronary intervention on biomarkers of oxidative stress in the erythrocytes of elderly male patients. Redox Rep 2017; 22:315-322. [PMID: 27866469 PMCID: PMC6837639 DOI: 10.1080/13510002.2016.1257754] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
OBJECTIVES Oxidative stress plays a key role in the pathogenesis of coronary artery disease. The aim of this study was to compare the effects of percutaneous transluminal coronary angioplasty (PTCA) and elective coronary angiography (EC) on erythrocytic antioxidant defense in elderly male patients. METHODS Twenty-three stable angina pectoris (SAP) patients undergoing PTCA and 18 patients with ischemic symptoms scheduled to undergo diagnostic EC were included in the study. The concentrations of malondialdehyde (MDA) and reduced glutathione (GSH) and the activities of Zn,Cu-superoxide dismutase (SOD-1), catalase (CAT), and cytosolic glutathione peroxidase (GSH-Px) were examined in the erythrocytes before, immediately after and 2 weeks following PTCA or EC. RESULTS The MDA concentrations were significantly higher and SOD-1, CAT, and GSH-Px activities were significantly lower in the PTCA group than in the EC group at baseline. Two weeks after treatment, the activities of the enzymes significantly increased in both groups, whereas the MDA concentrations decreased only in the PTCA patients. CONCLUSIONS The results confirm that an advanced state of atherosclerosis is related to greater levels of oxidative stress. The study indicates that both procedures may induce antioxidant defenses; however, PTCA exclusively induces a long-term reduction in lipid peroxidation.
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Affiliation(s)
- Karolina Szewczyk-Golec
- Chair of Medical Biology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Bydgoszcz, Poland
| | - Paweł Grzelakowski
- Clinic of Cardiology and Cardiac Surgery, 10. Military Training Hospital, Bydgoszcz, Poland
| | - Tomasz Ługowski
- Clinic of Cardiology and Cardiac Surgery, 10. Military Training Hospital, Bydgoszcz, Poland
| | - Józef Kędziora
- Department of Biochemistry, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Bydgoszcz, Poland
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Hu SCS, Lan CCE. Psoriasis and Cardiovascular Comorbidities: Focusing on Severe Vascular Events, Cardiovascular Risk Factors and Implications for Treatment. Int J Mol Sci 2017; 18:ijms18102211. [PMID: 29065479 PMCID: PMC5666891 DOI: 10.3390/ijms18102211] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 10/16/2017] [Accepted: 10/16/2017] [Indexed: 12/19/2022] Open
Abstract
Psoriasis is a common and chronic inflammatory disease of the skin. It may impair the physical and psychosocial function of patients and lead to decreased quality of life. Traditionally, psoriasis has been regarded as a disease affecting only the skin and joints. More recently, studies have shown that psoriasis is a systemic inflammatory disorder which can be associated with various comorbidities. In particular, psoriasis is associated with an increased risk of developing severe vascular events such as myocardial infarction and stroke. In addition, the prevalence rates of cardiovascular risk factors are increased, including hypertension, diabetes mellitus, dyslipidemia, obesity, and metabolic syndrome. Consequently, mortality rates have been found to be increased and life expectancy decreased in patients with psoriasis, as compared to the general population. Various studies have also shown that systemic treatments for psoriasis, including methotrexate and tumor necrosis factor-α inhibitors, may significantly decrease cardiovascular risk. Mechanistically, the presence of common inflammatory pathways, secretion of adipokines, insulin resistance, angiogenesis, oxidative stress, microparticles, and hypercoagulability may explain the association between psoriasis and cardiometabolic disorders. In this article, we review the evidence regarding the association between psoriasis and cardiovascular comorbidities, focusing on severe vascular events, cardiovascular risk factors and implications for treatment.
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Affiliation(s)
- Stephen Chu-Sung Hu
- Department of Dermatology, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
| | - Cheng-Che E Lan
- Department of Dermatology, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
- Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan.
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Cardiac Aging – Benefits of Exercise, Nrf2 Activation and Antioxidant Signaling. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 999:231-255. [DOI: 10.1007/978-981-10-4307-9_13] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Bialasiewicz P, Prymont-Przyminska A, Zwolinska A, Sarniak A, Wlodarczyk A, Krol M, Markowski J, Rutkowski KP, Nowak D. Sour Cherries but Not Apples Added to the Regular Diet Decrease Resting and fMLP-Stimulated Chemiluminescence of Fasting Whole Blood in Healthy Subjects. J Am Coll Nutr 2017; 37:24-33. [PMID: 28985142 DOI: 10.1080/07315724.2017.1354739] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Berry fruits rich in anthocyanins have antioxidant and anti-inflammatory properties. Blood phagocytes are an important source of oxidants that contribute to inflammatory response and oxidative stress. We examined the effect of sour cherry consumption on luminol-enhanced whole blood chemiluminescence (LBCL) reflecting oxidants generation by circulating phagocytes in healthy subjects. METHODS Thirty-four and 29 healthy subjects (on a regular diet) consumed 500 g of sour cherries containing 346.5 mg of total anthocyanins or 500 g of anthocyanin-free apples everyday (between 1100 and 1400 hours) for 30 days. Twenty-four volunteers without any dietary intervention served as the control with respect to LBCL changes over the study period. Fasting blood and spot morning urine samples were collected before and after the fruit courses and after the 10-day wash-out period to measure resting and agonist (fMLP)-induced LBCL, blood cell count, concentration of various phenolics, and plasma antioxidant activity. RESULTS Sour cherries inhibited (p < 0.05) median resting LBCL (by 29.5% and 33.7%) and fMLP-LBCL (by 24.7% and 32.3%) after 30-day consumption and after 10-day wash-out, respectively. No changes in LBCL were noted in the apple consumers and controls. Increased urinary levels of chlorogenic, 4-hydroxyhippuric, and 3-hydroxyhippuric acids occasionally correlated negatively with resting and fMLP-LBCL in sour cherry consumers. Other measured variables did not change in all groups over the study period. CONCLUSIONS The inhibition of resting and agonist-induced LBCL suggests that regular sour cherry consumption may suppress the formation of reactive oxygen species by circulating phagocytes and decrease the risk of systemic imbalance between oxidants and antioxidants. This may be attributed to the anthocyanins in sour cherry and be one of mechanisms of the health-promoting effects of consumption of anthocyanin-rich fruits.
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Affiliation(s)
- Piotr Bialasiewicz
- a Department of Sleep Medicine and Metabolic Disorders , Medical University of Lodz , Lodz , Poland
| | | | - Anna Zwolinska
- c Cell-to-Cell Communication Department , Medical University of Lodz , Lodz , Poland
| | - Agata Sarniak
- b Department of General Physiology , Medical University of Lodz , Lodz , Poland
| | - Anna Wlodarczyk
- a Department of Sleep Medicine and Metabolic Disorders , Medical University of Lodz , Lodz , Poland
| | - Maciej Krol
- a Department of Sleep Medicine and Metabolic Disorders , Medical University of Lodz , Lodz , Poland
| | - Jaroslaw Markowski
- d Fruit Storage and Processing Department, Division of Pomology , Research Institute of Horticulture , Skierniewice , Poland
| | - Krzysztof P Rutkowski
- d Fruit Storage and Processing Department, Division of Pomology , Research Institute of Horticulture , Skierniewice , Poland
| | - Dariusz Nowak
- e Department of Clinical Physiology , Medical University of Lodz , Lodz , Poland
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Di Meo S, Iossa S, Venditti P. Improvement of obesity-linked skeletal muscle insulin resistance by strength and endurance training. J Endocrinol 2017; 234:R159-R181. [PMID: 28778962 DOI: 10.1530/joe-17-0186] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 06/26/2017] [Indexed: 12/30/2022]
Abstract
Obesity-linked insulin resistance is mainly due to fatty acid overload in non-adipose tissues, particularly skeletal muscle and liver, where it results in high production of reactive oxygen species and mitochondrial dysfunction. Accumulating evidence indicates that resistance and endurance training alone and in combination can counteract the harmful effects of obesity increasing insulin sensitivity, thus preventing diabetes. This review focuses the mechanisms underlying the exercise role in opposing skeletal muscle insulin resistance-linked metabolic dysfunction. It is apparent that exercise acts through two mechanisms: (1) it stimulates glucose transport by activating an insulin-independent pathway and (2) it protects against mitochondrial dysfunction-induced insulin resistance by increasing muscle antioxidant defenses and mitochondrial biogenesis. However, antioxidant supplementation combined with endurance training increases glucose transport in insulin-resistant skeletal muscle in an additive fashion only when antioxidants that are able to increase the expression of antioxidant enzymes and/or the activity of components of the insulin signaling pathway are used.
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Affiliation(s)
- Sergio Di Meo
- Dipartimento di BiologiaUniversità di Napoli 'Federico II', Napoli, Italy
| | - Susanna Iossa
- Dipartimento di BiologiaUniversità di Napoli 'Federico II', Napoli, Italy
| | - Paola Venditti
- Dipartimento di BiologiaUniversità di Napoli 'Federico II', Napoli, Italy
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Antioxidant Effects of a Hydroxytyrosol-Based Pharmaceutical Formulation on Body Composition, Metabolic State, and Gene Expression: A Randomized Double-Blinded, Placebo-Controlled Crossover Trial. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:2473495. [PMID: 28855976 PMCID: PMC5569630 DOI: 10.1155/2017/2473495] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 06/19/2017] [Indexed: 12/20/2022]
Abstract
Hydroxytyrosol (HT) plays a significant role in cardiovascular disease (CVD) protection, and its metabolites are able to protect from the endothelial dysfunction commonly present in atherosclerosis. This randomized double-blinded, placebo-controlled crossover trial determined the effect in healthy volunteers of two gastroresistant capsules containing 15 mg/day of HT, for a 3-week period (HTT). Evaluation of nutritional status, serum metabolites, oxidative stress biomarkers, and gene expression of 9 genes related to oxidative stress, inflammation, and CVDs was performed. Oxidation biomarkers like thiol group (p = 0.001), total antioxidant status (TAS) (p = 0.001), superoxide dismutase 1 (SOD1) (2-ΔΔCt = 3.7), and plasma concentration of HT (2.83 μg·mL-1) were significantly increased, while nitrite (p = 0.001), nitrate (p = 0.001), and malondialdehyde (MDA) (p = 0.02) were drastically reduced after HTT. A significant reduction of body fat mass percentage (p = 0.01), suprailiac skinfold (p = 0.01), and weight (p = 0.04; Δ% = -0.46%) was observed after HTT. This study shows that regular intake of 15 mg/day of HT changed body composition parameters and modulated the antioxidant profile and the expression of inflammation and oxidative stress-related genes. However, it is advisable to personalize HT doses in order to exert its health benefits in CVD prevention and protection of LDL-C particles from oxidative damage. This trial is registered with ClinicalTrials.gov NCT01890070.
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Lin J, Chuang CC, Zuo L. Potential roles of microRNAs and ROS in colorectal cancer: diagnostic biomarkers and therapeutic targets. Oncotarget 2017; 8:17328-17346. [PMID: 28061475 PMCID: PMC5370044 DOI: 10.18632/oncotarget.14461] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 12/16/2016] [Indexed: 02/06/2023] Open
Abstract
As one of the most commonly diagnosed cancers worldwide, colorectal adenocarcinoma often occurs sporadically in individuals aged 50 or above and there is an increase among younger patients under 50. Routine screenings are recommended for this age group to improve early detection. The multifactorial etiology of colorectal cancer consists of both genetic and epigenetic factors. Recently, studies have shown that the development and progression of colorectal cancer can be attributed to aberrant expression of microRNA. Reactive oxygen species (ROS) that play a key role in cancer cell survival, can also lead to carcinogenesis and cancer exacerbations. Given the rapid accumulating knowledge in the field, an updated review regarding microRNA and ROS in colorectal cancer is necessary. An extensive literature search has been conducted in PubMed/Medline databases to review the roles of microRNAs and ROS in colorectal cancer. Unique microRNA expression in tumor tissue, peripheral blood, and fecal samples from patients with colorectal cancer is outlined. Therapeutic approaches focusing on microRNA and ROS in colorectal cancer treatment is also delineated. This review aims to summarize the newest knowledge on the pathogenesis of colorectal cancer in the hopes of discovering novel diagnostic biomarkers and therapeutic techniques.
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Affiliation(s)
- Jingmei Lin
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Chia-Chen Chuang
- Radiologic Sciences and Respiratory Therapy Division, School of Health and Rehabilitation Sciences, The Ohio State University College of Medicine, Columbus, OH, USA.,Interdisciplinary Biophysics Graduate Program, The Ohio State University, Columbus, OH, USA
| | - Li Zuo
- Radiologic Sciences and Respiratory Therapy Division, School of Health and Rehabilitation Sciences, The Ohio State University College of Medicine, Columbus, OH, USA.,Interdisciplinary Biophysics Graduate Program, The Ohio State University, Columbus, OH, USA
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Zhang H, Zhao Z, Pang X, Yang J, Yu H, Zhang Y, Zhou H, Zhao J. MiR-34a/sirtuin-1/foxo3a is involved in genistein protecting against ox-LDL-induced oxidative damage in HUVECs. Toxicol Lett 2017; 277:115-122. [DOI: 10.1016/j.toxlet.2017.07.216] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 05/31/2017] [Accepted: 07/04/2017] [Indexed: 12/31/2022]
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Oxidative Stress in Neurodegenerative Diseases: From Molecular Mechanisms to Clinical Applications. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:2525967. [PMID: 28785371 PMCID: PMC5529664 DOI: 10.1155/2017/2525967] [Citation(s) in RCA: 438] [Impact Index Per Article: 62.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2017] [Revised: 05/26/2017] [Accepted: 06/07/2017] [Indexed: 02/06/2023]
Abstract
Increasing numbers of individuals, particularly the elderly, suffer from neurodegenerative disorders. These diseases are normally characterized by progressive loss of neuron cells and compromised motor or cognitive function. Previous studies have proposed that the overproduction of reactive oxygen species (ROS) may have complex roles in promoting the disease development. Research has shown that neuron cells are particularly vulnerable to oxidative damage due to their high polyunsaturated fatty acid content in membranes, high oxygen consumption, and weak antioxidant defense. However, the exact molecular pathogenesis of neurodegeneration related to the disturbance of redox balance remains unclear. Novel antioxidants have shown great potential in mediating disease phenotypes and could be an area of interest for further research. In this review, we provide an updated discussion on the roles of ROS in the pathological mechanisms of Alzheimer's disease, Huntington's disease, Parkinson's disease, amyotrophic lateral sclerosis, and spinocerebellar ataxia, as well as a highlight on the antioxidant-based therapies for alleviating disease severity.
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Coutinho PN, Pereira BP, Hertel Pereira AC, Porto ML, Monteiro de Assis ALE, Côgo Destefani A, Meyrelles SS, Vasquez EC, Nogueira BV, de Andrade TU, Endringer DC, Fronza M, Costa Pereira TM. Chronic administration of antioxidant resin from Virola oleifera attenuates atherogenesis in LDLr -/- mice. JOURNAL OF ETHNOPHARMACOLOGY 2017; 206:65-72. [PMID: 28502908 DOI: 10.1016/j.jep.2017.05.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 04/25/2017] [Accepted: 05/10/2017] [Indexed: 06/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Virola oleifera (Schott) A. C. Smith, Myristicaceae has been largely used in traditional folk medicine in Brazil as an anti-inflammatory agent and our previous data indicated the antioxidant properties in other oxidative stress-related models. However, its effects on atherosclerosis (AT) are not yet investigated. AIMS OF THE STUDY To evaluate the influence of resin from Virola oleifera (RV) on progression of AT in LDLr-/- mice. MATERIALS AND METHODS LDLr-/- mice were divided into 4 groups: 1) The ND group received a normal diet without treatment. 2) The HD group received a high-fat diet without treatment. 3) The HD-V50 received a high-fat diet and was orally treated with RV at 50mg/Kg. 4) The HD-V300 received a high-fat diet and was orally treated with RV at 300mg/Kg. After 4 weeks, blood was collected to quantify biochemical parameters and ROS total and the aorta was removed to measure the lipid deposition by en face analysis. The liver was also collected to determine total lipids and lipid and protein oxidation. In order to investigate in more detail the contributions of RV in the vascular structure, we carried out the in vitro tests using four cellular types: macrophages, fibroblasts, vascular smooth muscle and endothelial cells. RESULTS We showed that the chronic treatment of RV at both doses reduced vascular lipid accumulation (~50%, p<0.05), probably through systemic and hepatic antioxidant effects, independent of dyslipidemia. Moreover, the in vitro assay results demonstrated that RV develops antioxidant properties on the vascular smooth muscle and endothelial cells, reinforcing the protective role of RV in progression of AT. LPS-stimulated macrophages treated with RV resulted in a significant reduction of NO production in a concentration-dependent manner. CONCLUSIONS Chronic treatment with RV diminishes lipid deposition in atherosclerotic mice, which may be justified, at least in part, by antioxidant systemic and local mechanisms, reinforcing the protective role this resin in the setting of vascular lipid deposition, independent of hypercholesterolemia.
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Affiliation(s)
- Paola Nogueira Coutinho
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha, ES, Brazil.
| | - Beatriz Peters Pereira
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha, ES, Brazil.
| | | | - Marcella Leite Porto
- Federal Institute of Education, Science and Technology (IFES), Vila Velha, ES, Brazil.
| | - Arícia Leone Evangelista Monteiro de Assis
- Laboratory of Cellular Ultrastructure Carlos Alberto Redins (LUCCAR), Department of Morphology, UFES, Health Sciences Center, Federal University of Espirito Santo, Vitoria, ES, Brazil.
| | - Afrânio Côgo Destefani
- Laboratory of Cellular Ultrastructure Carlos Alberto Redins (LUCCAR), Department of Morphology, UFES, Health Sciences Center, Federal University of Espirito Santo, Vitoria, ES, Brazil.
| | - Silvana Santos Meyrelles
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo, Vitoria, ES, Brazil.
| | - Elisardo Corral Vasquez
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha, ES, Brazil; Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo, Vitoria, ES, Brazil.
| | - Breno Valentim Nogueira
- Laboratory of Cellular Ultrastructure Carlos Alberto Redins (LUCCAR), Department of Morphology, UFES, Health Sciences Center, Federal University of Espirito Santo, Vitoria, ES, Brazil.
| | - Tadeu Uggere de Andrade
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha, ES, Brazil.
| | - Denise Coutinho Endringer
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha, ES, Brazil; Federal Institute of Education, Science and Technology (IFES), Vila Velha, ES, Brazil.
| | - Marcio Fronza
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha, ES, Brazil.
| | - Thiago Melo Costa Pereira
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha, ES, Brazil; Federal Institute of Education, Science and Technology (IFES), Vila Velha, ES, Brazil.
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The Antioxidant Machinery of Young and Senescent Human Umbilical Vein Endothelial Cells and Their Microvesicles. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017. [PMID: 28642812 PMCID: PMC5470024 DOI: 10.1155/2017/7094781] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We examine the antioxidant role of young and senescent human umbilical vein endothelial cells (HUVECs) and their microvesicles (MVs). Proteomic and Western blot studies have shown young HUVECs to have a complete and well-developed antioxidant system. Their MVs also contain antioxidant molecules, though of a smaller and more specific range, specialized in the degradation of hydrogen peroxide and the superoxide anion via the thioredoxin-peroxiredoxin system. Senescence was shown to be associated with a large increase in the size of the antioxidant machinery in both HUVECs and their MVs. These responses might help HUVECs and their MVs deal with the more oxidising conditions found in older cells. Functional analysis confirmed the antioxidant machinery of the MVs to be active and to increase in size with senescence. No glutathione or nonpeptide antioxidant (ascorbic acid and vitamin E) activity was detected in the MVs. Endothelial cells and MVs seem to adapt to higher ROS concentrations in senescence by increasing their antioxidant machinery, although this is not enough to recover completely from the senescence-induced ROS increase. Moreover, MVs could be involved in the regulation of the blood plasma redox status by functioning as ROS scavengers.
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130
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Guo C, Li X, Ye M, Xu F, Yu J, Xie C, Cao X, Guo M, Yuan Y, Zheng S. Discriminating patients with early-stage breast cancer from benign lesions by detection of oxidative DNA damage biomarker in urine. Oncotarget 2017; 8:53100-53109. [PMID: 28881796 PMCID: PMC5581095 DOI: 10.18632/oncotarget.17831] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 04/12/2017] [Indexed: 12/20/2022] Open
Abstract
Breast cancer is one of the most commonly diagnosed and death-related cancers in women worldwide. Mammography is routinely used for screening and invasive examinations such as painful tissue biopsies were recommended for patients with abnormal screening outcomes. However, a considerable proportion of these cases turn out to be benign lesions. Thus, novel non-invasive approach for discriminating breast cancer from benign lesions is desirable. Herein, we applied a high-throughput ultra performance liquid chromatography-electrospray ionization tandem mass spectrometry (UPLC-ESI-MS/MS) analysis to determine the oxidative DNA damage biomarker, 8-oxo-7,8-dihydro-2′-deoxyguanosine (8-oxodG) in urine samples from 60 patients with early-stage breast cancer (stage I, II), 51 patients with benign breast diseases and 73 healthy volunteers. We demonstrated that the concentration of urinary 8-oxodG in patients with early-stage breast cancer was significantly higher not only than that in healthy controls, but also than that in patients with benign breast diseases, whereas no significant difference of urinary 8-oxodG level was observed between benign breast diseases group and healthy control group. Moreover, there was significant difference between early-stage breast cancer group and non-cancerous group which consisted of benign breast diseases patients and healthy controls. Besides, logistic regression analysis and receiver operator characteristic (ROC) curve analysis were also performed. Our findings indicate that the marked increase of 8-oxodG in urine may serve as a potential biomarker for the risk estimation, early screening and detection of breast cancer, particularly for discriminating early-stage breast cancer from benign lesions.
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Affiliation(s)
- Cheng Guo
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Xiaofen Li
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Minfeng Ye
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China.,Department of Gastrointestinal Surgery, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, China
| | - Fei Xu
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Jiekai Yu
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Cong Xie
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Xiaoji Cao
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Mengzhe Guo
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical College, Xuzhou, Jiangsu 221004, China
| | - Ying Yuan
- Department of Medical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Shu Zheng
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
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131
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Shi M, Sun G. Integrated evaluation of HPLC and UV fingerprints for the quality control of Danshen tablet by systematic quantified fingerprint method combined with antioxidant activity. J Sep Sci 2017; 40:1942-1952. [PMID: 28318104 DOI: 10.1002/jssc.201601330] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 02/18/2017] [Accepted: 03/01/2017] [Indexed: 12/20/2022]
Abstract
Danshen tablet, which consists of Salviae Miltiorrhizae Radix et Rhizoma, Notoginseng Radix et Rhizoma and Borneolum syntheticum, has been widely used in the therapy of cardiovascular disease. The aim of this study was to develop comprehensive evaluation methods for the quality control of Danshen tablet. First, five-wavelength fusion fingerprint was established to avoid one-sidedness of a single wavelength. Then, the ultraviolet spectrum fingerprint was applied to reflect the information of unsaturated bond and conjugated system of chemical substances in Danshen tablet. The similarity analyses of these two fingerprints were performed by systematic quantified fingerprint method in terms of qualitative and quantitative aspects. After that, the evaluation results of high-performance liquid chromatography and ultraviolet fingerprints were integrated by the mean algorithm, which could reduce the error caused by single method. The integrated evaluation results showed that 30 batches of samples were classified into seven grades. Finally, the fingerprint-efficacy relationship was established using an on-line antioxidant system and partial least-squares model to explore the connection between chemical components and antioxidant activities. The methods established in this paper were found suitable for the analysis of Danshen tablet.
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Affiliation(s)
- Min Shi
- College of Pharmacy, Shenyang Pharmaceutical University, Benxi, P. R. China
| | - Guoxiang Sun
- College of Pharmacy, Shenyang Pharmaceutical University, Benxi, P. R. China
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132
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Casós K, Ferrer-Curriu G, Soler-Ferrer P, Pérez ML, Permanyer E, Blasco-Lucas A, Gracia-Baena JM, Castro MA, Sureda C, Barquinero J, Galiñanes M. Response of the human myocardium to ischemic injury and preconditioning: The role of cardiac and comorbid conditions, medical treatment, and basal redox status. PLoS One 2017; 12:e0174588. [PMID: 28380047 PMCID: PMC5381881 DOI: 10.1371/journal.pone.0174588] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 03/02/2017] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND The diseased human myocardium is highly susceptible to ischemia/reoxygenation (I/R)-induced injury but its response to protective interventions such as ischemic preconditioning (IPreC) is unclear. Cardiac and other pre-existing clinical conditions as well as previous or ongoing medical treatment may influence the myocardial response to I/R injury and protection. This study investigated the effect of both on myocardial susceptibility to I/R-induced injury and the protective effects of IPreC. METHODS AND RESULTS Atrial myocardium from cardiac surgery patients (n = 300) was assigned to one of three groups: aerobic control, I/R alone, and IPreC. Lactate dehydrogenase leakage, as a marker of cell injury, and cell viability were measured. The basal redox status was determined in samples from 90 patients. The response to I/R varied widely. Myocardium from patients with aortic valve disease was the most susceptible to injury whereas myocardium from dyslipidemia patients was the least susceptible. Tissue from females was better protected than tissue from males. Myocardium from patients with mitral valve disease was the least responsive to IPreC. The basal redox status was altered in the myocardium from patients with mitral and aortic valve disease. CONCLUSIONS The response of the myocardium to I/R and IPreC is highly variable and influenced by the underlying cardiac pathology, dyslipidemia, sex, and the basal redox status. These results should be taken into account in the design of future clinical studies on the prevention of I/R injury and protection.
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Affiliation(s)
- Kelly Casós
- Reparative Therapy of the Heart, Vall d’Hebron Research Institute (VHIR), University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
| | - Gemma Ferrer-Curriu
- Reparative Therapy of the Heart, Vall d’Hebron Research Institute (VHIR), University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
| | - Paula Soler-Ferrer
- Reparative Therapy of the Heart, Vall d’Hebron Research Institute (VHIR), University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
| | - María L Pérez
- Reparative Therapy of the Heart, Vall d’Hebron Research Institute (VHIR), University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
| | - Eduard Permanyer
- Department of Cardiac Surgery, University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
| | - Arnau Blasco-Lucas
- Department of Cardiac Surgery, University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
| | - Juan Manuel Gracia-Baena
- Department of Cardiac Surgery, University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
| | - Miguel A Castro
- Department of Cardiac Surgery, University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
| | - Carlos Sureda
- Department of Cardiac Surgery, University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
| | | | - Manuel Galiñanes
- Reparative Therapy of the Heart, Vall d’Hebron Research Institute (VHIR), University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
- Department of Cardiac Surgery, University Hospital Vall d’Hebron, Autonomous University of Barcelona (UAB), Barcelona, Spain
- * E-mail:
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133
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Wang L, Huang Z, Huang W, Chen X, Shan P, Zhong P, Khan Z, Wang J, Fang Q, Liang G, Wang Y. Inhibition of epidermal growth factor receptor attenuates atherosclerosis via decreasing inflammation and oxidative stress. Sci Rep 2017; 8:45917. [PMID: 28374780 PMCID: PMC5379239 DOI: 10.1038/srep45917] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 03/06/2017] [Indexed: 12/31/2022] Open
Abstract
Atherosclerosis is a progressive disease leading to loss of vascular homeostasis and entails fibrosis, macrophage foam cell formation, and smooth muscle cell proliferation. Recent studies have reported that epidermal growth factor receptor (EGFR) is involved vascular pathophysiology and in the regulation of oxidative stress in macrophages. Although, oxidative stress and inflammation play a critical role in the development of atherosclerosis, the underlying mechanisms are complex and not completely understood. In the present study, we have elucidated the role of EGFR in high-fat diet-induced atherosclerosis in apolipoprotein E null mice. We show increased EGFR phosphorylation and activity in atherosclerotic lesion development. EGFR inhibition prevented oxidative stress, macrophage infiltration, induction of pro-inflammatory cytokines, and SMC proliferation within the lesions. We further show that EGFR is activated through toll-like receptor 4. Disruption of toll-like receptor 4 or the EGFR pathway led to reduced inflammatory activity and foam cell formation. These studies provide evidence that EGFR plays a key role on the pathogenesis of atherosclerosis, and suggests that EGFR may be a potential therapeutic target in the prevention of atherosclerosis development.
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Affiliation(s)
- Lintao Wang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Zhouqing Huang
- Department of Cardiology, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Weijian Huang
- Department of Cardiology, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Xuemei Chen
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Peiren Shan
- Department of Cardiology, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Peng Zhong
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Zia Khan
- Department of Pathology and Laboratory Medicine, Western University, London, ON N6A5C1, Canada
| | - Jingying Wang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Qilu Fang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Guang Liang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Yi Wang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
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134
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Hassan MQ, Akhtar M, Ahmed S, Ahmad A, Najmi AK. Nigella sativa protects against isoproterenol-induced myocardial infarction by alleviating oxidative stress, biochemical alterations and histological damage. Asian Pac J Trop Biomed 2017. [DOI: 10.1016/j.apjtb.2016.12.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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135
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Di Meo S, Iossa S, Venditti P. Skeletal muscle insulin resistance: role of mitochondria and other ROS sources. J Endocrinol 2017; 233:R15-R42. [PMID: 28232636 DOI: 10.1530/joe-16-0598] [Citation(s) in RCA: 153] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 01/31/2017] [Indexed: 12/12/2022]
Abstract
At present, obesity is one of the most important public health problems in the world because it causes several diseases and reduces life expectancy. Although it is well known that insulin resistance plays a pivotal role in the development of type 2 diabetes mellitus (the more frequent disease in obese people) the link between obesity and insulin resistance is yet a matter of debate. One of the most deleterious effects of obesity is the deposition of lipids in non-adipose tissues when the capacity of adipose tissue is overwhelmed. During the last decade, reduced mitochondrial function has been considered as an important contributor to 'toxic' lipid metabolite accumulation and consequent insulin resistance. More recent reports suggest that mitochondrial dysfunction is not an early event in the development of insulin resistance, but rather a complication of the hyperlipidemia-induced reactive oxygen species (ROS) production in skeletal muscle, which might promote mitochondrial alterations, lipid accumulation and inhibition of insulin action. Here, we review the literature dealing with the mitochondria-centered mechanisms proposed to explain the onset of obesity-linked IR in skeletal muscle. We conclude that the different pathways leading to insulin resistance may act synergistically because ROS production by mitochondria and other sources can result in mitochondrial dysfunction, which in turn can further increase ROS production leading to the establishment of a harmful positive feedback loop.
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Affiliation(s)
- Sergio Di Meo
- Department of BiologyUniversity of Naples 'Federico II', Naples, Italy
| | - Susanna Iossa
- Department of BiologyUniversity of Naples 'Federico II', Naples, Italy
| | - Paola Venditti
- Department of BiologyUniversity of Naples 'Federico II', Naples, Italy
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136
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Saify K, Saadat M. Influence of a 50bp Ins/Del polymorphism at promoter of the superoxide dismutase-1 on gene expression and risk of heroin dependency. Environ Health Prev Med 2017; 22:4. [PMID: 29165112 PMCID: PMC5661911 DOI: 10.1186/s12199-017-0617-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 03/04/2017] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE Superoxide dismutase-1 (SOD1, OMIM: 147450) is one of the major antioxidant enzymes, which plays a vital role in clearance of reactive oxygen species. A genetic polymorphism of 50 bp insertion/deletion (Ins/Del) in the promoter region of the SOD1 was reported. The aims of the present study are to evaluate the influence of this polymorphism on the SOD1 mRNA levels in human peripheral blood cells and its association with risk of heroin dependency. METHODS The present study consisted of 47 healthy students of Shiraz University (south-west Iran) for investigating the association between the Ins/Del polymorphism on expression level of SOD1, also a total of 442 heroin dependent and 799 healthy controls were included in a case-control study investigating the association between the study polymorphism and risk of dependency to heroin. The quantitative SOD1 mRNA expression levels were investigated using quantitative real-time PCR. RESULTS Statistical analysis revealed a significant difference between the study genotypes (t = 5.17; df = 45; P < 0.001). The Del allele of the study polymorphism decreased approximately 33% of the SOD1 mRNA levels of the gene in the heterozygote individuals. Statistical analysis indicating that in both genders, neither the Ins/Del nor the Del/Del genotypes was associated with the risk of heroin addiction. CONCLUSIONS The present study indicating that although the Ins/Del polymorphism of SOD1 is associated with the SOD1 expression levels, this polymorphism is not associated with the risk of dependency to heroin.
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Affiliation(s)
- Khyber Saify
- Department of Biology, College of Sciences, Shiraz University, Shiraz, 71467-13565, Iran
| | - Mostafa Saadat
- Department of Biology, College of Sciences, Shiraz University, Shiraz, 71467-13565, Iran.
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Mielcarek M, Smolenski RT, Isalan M. Transcriptional Signature of an Altered Purine Metabolism in the Skeletal Muscle of a Huntington's Disease Mouse Model. Front Physiol 2017; 8:127. [PMID: 28303108 PMCID: PMC5332388 DOI: 10.3389/fphys.2017.00127] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Accepted: 02/17/2017] [Indexed: 11/13/2022] Open
Abstract
Huntington's disease (HD) is a fatal neurodegenerative disorder, caused by a polyglutamine expansion in the huntingtin protein (HTT). HD has a peripheral component to its pathology: skeletal muscles are severely affected, leading to atrophy, and malfunction in both pre-clinical and clinical settings. We previously used two symptomatic HD mouse models to demonstrate the impairment of the contractile characteristics of the hind limb muscles, which was accompanied by a significant loss of function of motor units. The mice displayed a significant reduction in muscle force, likely because of deteriorations in energy metabolism, decreased oxidation, and altered purine metabolism. There is growing evidence suggesting that HD-related skeletal muscle malfunction might be partially or completely independent of CNS degeneration. The pathology might arise from mutant HTT within muscle (loss or gain of function). Hence, it is vital to identify novel peripheral biomarkers that will reflect HD skeletal muscle atrophy. These will be important for upcoming clinical trials that may target HD peripherally. In order to identify potential biomarkers that might reflect muscle metabolic changes, we used qPCR to validate key gene transcripts in different skeletal muscle types. Consequently, we report a number of transcript alterations that are linked to HD muscle pathology.
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Affiliation(s)
- Michal Mielcarek
- Department of Life Sciences, Imperial College LondonLondon, UK; Department of Epidemiology of Rare Diseases and Neuroepidemiology, Poznan University of Medical SciencesPoznan, Poland
| | | | - Mark Isalan
- Department of Life Sciences, Imperial College London London, UK
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138
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Charles AL, Guilbert AS, Guillot M, Talha S, Lejay A, Meyer A, Kindo M, Wolff V, Bouitbir J, Zoll J, Geny B. Muscles Susceptibility to Ischemia-Reperfusion Injuries Depends on Fiber Type Specific Antioxidant Level. Front Physiol 2017; 8:52. [PMID: 28220081 PMCID: PMC5292410 DOI: 10.3389/fphys.2017.00052] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Accepted: 01/19/2017] [Indexed: 01/02/2023] Open
Abstract
Muscle injury resulting from ischemia-reperfusion largely aggravates patient prognosis but whether and how muscle phenotype modulates ischemia-reperfusion-induced mitochondrial dysfunction remains to be investigated. We challenged the hypothesis that glycolytic muscles are more prone to ischemia-reperfusion-induced injury than oxidative skeletal muscles. We therefore determined simultaneously the effect of 3 h of ischemia induced by aortic clamping followed by 2 h of reperfusion (IR, n = 11) on both gastrocnemius and soleus muscles, as compared to control animals (C, n = 11). Further, we investigated whether tempol, an antioxidant mimicking superoxide dismutase, might compensate a reduced defense system, likely characterizing glycolytic muscles (IR-Tempol, n = 7). In the glycolytic gastrocnemius muscle, as compared to control, ischemia-reperfusion significantly decreased mitochondrial respiration (-30.28 ± 6.16%, p = 0.003), increased reactive oxygen species production (+79.15 ± 28.72%, p = 0.04), and decreased reduced glutathione (-28.19 ± 6.80%, p = 0.011). Less deleterious effects were observed in the oxidative soleus muscle (-6.44 ± 6.30%, +4.32 ± 16.84%, and -8.07 ± 10.84%, respectively), characterized by enhanced antioxidant defenses (0.63 ± 0.05 in gastrocnemius vs. 1.24 ± 0.08 μmol L-1 g-1 in soleus). Further, when previously treated with tempol, glycolytic muscle was largely protected against the deleterious effects of ischemia-reperfusion. Thus, oxidative skeletal muscles are more protected than glycolytic ones against ischemia-reperfusion, thanks to their antioxidant pool. Such pivotal data support that susceptibility to ischemia-reperfusion-induced injury differs between organs, depending on their metabolic phenotypes. This suggests a need to adapt therapeutic strategies to the specific antioxidant power of the target organ to be protected.
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Affiliation(s)
- Anne-Laure Charles
- Equipe d'accueil 3072, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de StrasbourgStrasbourg, France; Service de Physiologie et d'Explorations Fonctionnelles, Pôle de Pathologie Thoracique, Nouvel Hôpital Civil, CHRU de StrasbourgStrasbourg, France
| | - Anne-Sophie Guilbert
- Equipe d'accueil 3072, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de StrasbourgStrasbourg, France; Service de Réanimation Médico-Chirurgicale Pédiatrique Spécialisée, Hôpital de Hautepierre, CHRU de StrasbourgStrasbourg, France
| | - Max Guillot
- Equipe d'accueil 3072, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de StrasbourgStrasbourg, France; Service de Réanimation Médicale, Hôpital de Hautepierre, CHRU de StrasbourgStrasbourg, France
| | - Samy Talha
- Equipe d'accueil 3072, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de StrasbourgStrasbourg, France; Service de Physiologie et d'Explorations Fonctionnelles, Pôle de Pathologie Thoracique, Nouvel Hôpital Civil, CHRU de StrasbourgStrasbourg, France
| | - Anne Lejay
- Equipe d'accueil 3072, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de StrasbourgStrasbourg, France; Service de Physiologie et d'Explorations Fonctionnelles, Pôle de Pathologie Thoracique, Nouvel Hôpital Civil, CHRU de StrasbourgStrasbourg, France
| | - Alain Meyer
- Equipe d'accueil 3072, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de StrasbourgStrasbourg, France; Service de Physiologie et d'Explorations Fonctionnelles, Pôle de Pathologie Thoracique, Nouvel Hôpital Civil, CHRU de StrasbourgStrasbourg, France
| | - Michel Kindo
- Equipe d'accueil 3072, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de StrasbourgStrasbourg, France; Service de Chirurgie Cardio-Vasculaire, Pôle d'activité Médico-chirurgicale Cardiovasculaire, Nouvel Hôpital Civil, CHRU de StrasbourgStrasbourg, France
| | - Valérie Wolff
- Equipe d'accueil 3072, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de StrasbourgStrasbourg, France; Unité neurovasculaire, Hôpital de Hautepierre, CHRU de StrasbourgStrasbourg, France
| | - Jamal Bouitbir
- Division of Clinical Pharmacology and Toxicology, University Hospital Basel Basel, Switzerland
| | - Joffrey Zoll
- Equipe d'accueil 3072, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de StrasbourgStrasbourg, France; Service de Physiologie et d'Explorations Fonctionnelles, Pôle de Pathologie Thoracique, Nouvel Hôpital Civil, CHRU de StrasbourgStrasbourg, France
| | - Bernard Geny
- Equipe d'accueil 3072, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de StrasbourgStrasbourg, France; Service de Physiologie et d'Explorations Fonctionnelles, Pôle de Pathologie Thoracique, Nouvel Hôpital Civil, CHRU de StrasbourgStrasbourg, France
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139
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Brophy ML, Dong Y, Wu H, Rahman HNA, Song K, Chen H. Eating the Dead to Keep Atherosclerosis at Bay. Front Cardiovasc Med 2017; 4:2. [PMID: 28194400 PMCID: PMC5277199 DOI: 10.3389/fcvm.2017.00002] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 01/12/2017] [Indexed: 12/22/2022] Open
Abstract
Atherosclerosis is the primary cause of coronary heart disease (CHD), ischemic stroke, and peripheral arterial disease. Despite effective lipid-lowering therapies and prevention programs, atherosclerosis is still the leading cause of mortality in the United States. Moreover, the prevalence of CHD in developing countries worldwide is rapidly increasing at a rate expected to overtake those of cancer and diabetes. Prominent risk factors include the hardening of arteries and high levels of cholesterol, which lead to the initiation and progression of atherosclerosis. However, cell death and efferocytosis are critical components of both atherosclerotic plaque progression and regression, yet, few currently available therapies focus on these processes. Thus, understanding the causes of cell death within the atherosclerotic plaque, the consequences of cell death, and the mechanisms of apoptotic cell clearance may enable the development of new therapies to treat cardiovascular disease. Here, we review how endoplasmic reticulum stress and cholesterol metabolism lead to cell death and inflammation, how dying cells affect plaque progression, and how autophagy and the clearance of dead cells ameliorates the inflammatory environment of the plaque. In addition, we review current research aimed at alleviating these processes and specifically targeting therapeutics to the site of the plaque.
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Affiliation(s)
- Megan L Brophy
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA; Karp Family Research Laboratories, Vascular Biology Program, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA
| | - Yunzhou Dong
- Karp Family Research Laboratories, Vascular Biology Program, Harvard Medical School, Boston Children's Hospital , Boston, MA , USA
| | - Hao Wu
- Karp Family Research Laboratories, Vascular Biology Program, Harvard Medical School, Boston Children's Hospital , Boston, MA , USA
| | - H N Ashiqur Rahman
- Karp Family Research Laboratories, Vascular Biology Program, Harvard Medical School, Boston Children's Hospital , Boston, MA , USA
| | - Kai Song
- Karp Family Research Laboratories, Vascular Biology Program, Harvard Medical School, Boston Children's Hospital , Boston, MA , USA
| | - Hong Chen
- Karp Family Research Laboratories, Vascular Biology Program, Harvard Medical School, Boston Children's Hospital , Boston, MA , USA
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140
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Biswas S, Das R, Ray Banerjee E. Role of free radicals in human inflammatory diseases. AIMS BIOPHYSICS 2017. [DOI: 10.3934/biophy.2017.4.596] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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141
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Pennington KL, DeAngelis MM. Epidemiology of age-related macular degeneration (AMD): associations with cardiovascular disease phenotypes and lipid factors. EYE AND VISION 2016; 3:34. [PMID: 28032115 PMCID: PMC5178091 DOI: 10.1186/s40662-016-0063-5] [Citation(s) in RCA: 315] [Impact Index Per Article: 39.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 11/24/2016] [Indexed: 12/13/2022]
Abstract
Age-related macular degeneration (AMD) is the leading cause of irreversible blindness in adults over 50 years old. Genetic, epidemiological, and molecular studies are beginning to unravel the intricate mechanisms underlying this complex disease, which implicate the lipid-cholesterol pathway in the pathophysiology of disease development and progression. Many of the genetic and environmental risk factors associated with AMD are also associated with other complex degenerative diseases of advanced age, including cardiovascular disease (CVD). In this review, we present epidemiological findings associating AMD with a variety of lipid pathway genes, cardiovascular phenotypes, and relevant environmental exposures. Despite a number of studies showing significant associations between AMD and these lipid/cardiovascular factors, results have been mixed and as such the relationships among these factors and AMD remain controversial. It is imperative that researchers not only tease out the various contributions of such factors to AMD development but also the connections between AMD and CVD to develop optimal precision medical care for aging adults.
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Affiliation(s)
- Katie L Pennington
- Department of Ophthalmology, John A. Moran Eye Center, University of Utah, Salt Lake City, UT USA
| | - Margaret M DeAngelis
- Department of Ophthalmology, John A. Moran Eye Center, University of Utah, Salt Lake City, UT USA
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142
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Panth N, Paudel KR, Parajuli K. Reactive Oxygen Species: A Key Hallmark of Cardiovascular Disease. Adv Med 2016; 2016:9152732. [PMID: 27774507 PMCID: PMC5059509 DOI: 10.1155/2016/9152732] [Citation(s) in RCA: 218] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Revised: 08/11/2016] [Accepted: 08/24/2016] [Indexed: 02/07/2023] Open
Abstract
Cardiovascular diseases (CVDs) have been the prime cause of mortality worldwide for decades. However, the underlying mechanism of their pathogenesis is not fully clear yet. It has been already established that reactive oxygen species (ROS) play a vital role in the progression of CVDs. ROS are chemically unstable reactive free radicals containing oxygen, normally produced by xanthine oxidase, nicotinamide adenine dinucleotide phosphate oxidase, lipoxygenases, or mitochondria or due to the uncoupling of nitric oxide synthase in vascular cells. When the equilibrium between production of free radicals and antioxidant capacity of human physiology gets altered due to several pathophysiological conditions, oxidative stress is induced, which in turn leads to tissue injury. This review focuses on pathways behind the production of ROS, its involvement in various intracellular signaling cascades leading to several cardiovascular disorders (endothelial dysfunction, ischemia-reperfusion, and atherosclerosis), methods for its detection, and therapeutic strategies for treatment of CVDs targeting the sources of ROS. The information generated by this review aims to provide updated insights into the understanding of the mechanisms behind cardiovascular complications mediated by ROS.
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Affiliation(s)
- Nisha Panth
- Department of Pharmacy, School of Health and Allied Sciences, Pokhara University, Dhungepatan, Kaski 33701, Nepal
| | - Keshav Raj Paudel
- Department of Pharmacy, School of Health and Allied Sciences, Pokhara University, Dhungepatan, Kaski 33701, Nepal
| | - Kalpana Parajuli
- Department of Pharmacy, School of Health and Allied Sciences, Pokhara University, Dhungepatan, Kaski 33701, Nepal
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143
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Guo C, Li X, Wang R, Yu J, Ye M, Mao L, Zhang S, Zheng S. Association between Oxidative DNA Damage and Risk of Colorectal Cancer: Sensitive Determination of Urinary 8-Hydroxy-2'-deoxyguanosine by UPLC-MS/MS Analysis. Sci Rep 2016; 6:32581. [PMID: 27585556 PMCID: PMC5009303 DOI: 10.1038/srep32581] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 08/10/2016] [Indexed: 01/12/2023] Open
Abstract
Oxidative DNA damage plays crucial roles in the pathogenesis of numerous diseases including cancer. 8-hydroxy-2′-deoxyguanosine (8-OHdG) is the most representative product of oxidative modifications of DNA, and urinary 8-OHdG is potentially the best non-invasive biomarker of oxidative damage to DNA. Herein, we developed a sensitive, specific and accurate method for quantification of 8-OHdG in human urine. The urine samples were pretreated using off-line solid-phase extraction (SPE), followed by ultrahigh performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) analysis. By the use of acetic acid as an additive to the mobile phase, we improved the UPLC-MS/MS detection of 8-OHdG by 2.7−5.3 times. Using the developed strategy, we measured the contents of 8-OHdG in urine samples from 142 healthy volunteers and 84 patients with colorectal cancer (CRC). We observed increased levels of urinary 8-OHdG in patients with CRC and patients with tumor metastasis, compared to healthy controls and patients without tumor metastasis, respectively. Additionally, logistic regression analysis and receiver operator characteristic (ROC) curve analysis were performed. Our findings implicate that oxidative stress plays important roles in the development of CRC and the marked increase of urinary 8-OHdG may serve as a potential liquid biomarker for the risk estimation, early warning and detection of CRC.
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Affiliation(s)
- Cheng Guo
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Xiaofen Li
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Rong Wang
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Jiekai Yu
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Minfeng Ye
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China.,Department of Gastrointestinal Surgery, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, China
| | - Lingna Mao
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China.,International Health Care Center, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Suzhan Zhang
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Shu Zheng
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
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144
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Saify K, Saadat I, Saadat M. Influence of A-21T and C-262T genetic polymorphisms at the promoter region of the catalase (CAT) on gene expression. Environ Health Prev Med 2016; 21:382-386. [PMID: 27225276 PMCID: PMC5305992 DOI: 10.1007/s12199-016-0540-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2016] [Accepted: 05/14/2016] [Indexed: 01/20/2023] Open
Abstract
OBJECTIVE Catalase (CAT, OMIM: 115500) is one of the major antioxidant enzymes, which plays an important role in the clearance of reactive oxygen species. Three genetic polymorphisms of A-21T (rs7943316), C-262T (rs1001179), and C-844T (rs769214) in the promoter region of the CAT have been reported. It has been suggested that these polymorphisms may alter the recognition sites of transcriptional factors, therefore it might be concluded that these polymorphisms may alter the expression levels of the gene. The aim of the present study is to evaluate the associations between these genetic variations and the CAT mRNA levels in human peripheral blood cells. METHODS The present study consisted of 47 healthy students of Shiraz University (south-west Iran). Genotypes of the CAT polymorphisms were determined by PCR based method. The quantitative CAT mRNA expression levels were investigated using quantitative real-time PCR. RESULTS Analysis of variance revealed significant differences between the study genotypes (For A-21T polymorphism: F = 7.45; df = 2, 44; P = 0.002; For C-262T polymorphism: F = 15.17; df = 2, 44; P < 0.001). The studied polymorphisms showed linkage disequilibrium (D' = 1.0, r 2 = 0.1813, χ 2 = 17.03, P < 0.0001). The mRNA levels of CAT in the AC/TT, TC/TC, TC/TT, and TC/TC diplotypes significantly were higher than the mRNA levels in AC/AC diplotype. There was a significant difference between the study genotypes (F = 9.24; df = 5, 41; P < 0.001). The TC/TC and TT/TT diplotypes showed about 2 and 4 folds CAT mRNA levels compared with the AC/AC diplotype. CONCLUSIONS The present findings indicated that these polymorphisms were significantly associated with the gene expression.
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Affiliation(s)
- Khyber Saify
- Department of Biology, College of Sciences, Shiraz University, Shiraz, 71467-13565 Iran
| | - Iraj Saadat
- Department of Biology, College of Sciences, Shiraz University, Shiraz, 71467-13565 Iran
| | - Mostafa Saadat
- Department of Biology, College of Sciences, Shiraz University, Shiraz, 71467-13565 Iran
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145
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H2O2-responsive antioxidant polymeric nanoparticles as therapeutic agents for peripheral arterial disease. Int J Pharm 2016; 511:1022-32. [PMID: 27521705 DOI: 10.1016/j.ijpharm.2016.08.014] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 08/04/2016] [Accepted: 08/08/2016] [Indexed: 11/21/2022]
Abstract
Peripheral artery disease (PAD) is a common circulatory disorder in which narrowed arteries limit blood flow to the lower extremity and affect millions of people worldwide. Therapeutic angiogenesis has emerged as a promising strategy to treat PAD patients because surgical intervention has been showing limited success. Leg muscles of PAD patients have significantly high level of ROS (reactive oxygen species) and the increased production of ROS is a key mechanism of initiation and progression of PAD. We have recently developed H2O2-responsive polymer PVAX, which is designed to rapidly scavenge H2O2 and release vanillyl alcohol with antioxidant and anti-inflammatory activity. In this study, we investigated the therapeutic efficacy of PVAX nanoparticles for PAD using a cell culture model and a mouse model of hindlimb ischemia. PVAX nanoparticles significantly enhanced the expression of angiogenic inducers such as vascular endothelial growth factor (VEGF) and platelet endothelial cell adhesion molecule (PECAM)-1 in human umbilical vein endothelial cells (HUVEC). PVAX nanoparticles promoted revascularization and restoration of blood perfusion into ischemic tissues by upregulating angiogenic VEGF and PECAM-1. This work demonstrates that H2O2-responsive PVAX nanoparticles facilitate therapeutic angiogenesis and hold tremendous translational potential as therapeutic systems for ischemic diseases such as PAD.
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146
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Kızıltunç E, Gök M, Kundi H, Çetin M, Topçuoğlu C, Gülkan B, Çiçekçioğlu H, Örnek E. Plasma thiols and thiol-disulfide homeostasis in patients with isolated coronary artery ectasia. Atherosclerosis 2016; 253:209-213. [PMID: 27451003 DOI: 10.1016/j.atherosclerosis.2016.07.904] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2016] [Revised: 07/14/2016] [Accepted: 07/14/2016] [Indexed: 12/25/2022]
Abstract
BACKGROUND AND AIMS Thiol/disulfide homeostasis has an important role in the antioxidant defense system. Oxidative stress may contribute to the pathogenesis of coronary artery ectasia. The aim of this study was to evaluate plasma thiol levels and thiol/disulfide homeostasis in patients with isolated coronary artery ectasia. METHODS Forty-one patients with isolated coronary artery ectasia and 72 patients with normal coronary arteries were included in the study. Markis classification and number of ectatic coronary arteries were recorded. Plasma total thiol levels, native thiol levels and disulfide levels were measured. Thiol/disulfide homeostasis was appraised by calculating thiol/disulfide ratio. RESULTS Plasma native thiol levels were significantly lower (336.9 (252.9-374.1) vs. 353.1 (327.0-380.0), p = 0.041) and disulfide levels were significantly higher (18.9 ± 6.3 vs. 16.6 ± 3.4, p = 0.014) in patients with coronary artery ectasia than control patients. Both native thiol/disulfide and total thiol/disulfide ratio was significantly lower in the coronary artery ectasia group (p < 0.001). Multivariate logistic regression analysis revealed that native thiol levels, disulfide levels and native thiol/disulfide ratio were independently associated with the presence of coronary artery ectasia. Thiol/disulfide ratio was not different according to number of ectatic coronary arteries and there was no association between thiol/disulfide ratio and Markis classification. CONCLUSIONS Plasma thiol/disulfide homeostasis is altered in patients with coronary artery ectasia.
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Affiliation(s)
- Emrullah Kızıltunç
- Numune Education and Research Hospital Cardiology Department, Ankara, Turkey.
| | - Murat Gök
- Numune Education and Research Hospital Cardiology Department, Ankara, Turkey
| | - Harun Kundi
- Numune Education and Research Hospital Cardiology Department, Ankara, Turkey
| | - Mustafa Çetin
- Numune Education and Research Hospital Cardiology Department, Ankara, Turkey
| | - Canan Topçuoğlu
- Numune Education and Research Hospital Cardiology Department, Ankara, Turkey
| | - Birsen Gülkan
- Numune Education and Research Hospital Cardiology Department, Ankara, Turkey
| | - Hülya Çiçekçioğlu
- Numune Education and Research Hospital Cardiology Department, Ankara, Turkey
| | - Ender Örnek
- Numune Education and Research Hospital Cardiology Department, Ankara, Turkey
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147
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Zheng XZ, Zhou JL, Ye J, Guo PP, Lin CS. Cardioprotective effect of novel sulphonamides-1,3,5-triazine conjugates against ischaemic-reperfusion injury via selective inhibition of MMP-9. Chem Biol Drug Des 2016; 88:756-765. [PMID: 27317634 DOI: 10.1111/cbdd.12807] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 06/02/2016] [Accepted: 06/12/2016] [Indexed: 12/28/2022]
Affiliation(s)
- Xiao-Zhu Zheng
- Department of Anesthesiology; Zhejiang Hospital; Hangzhou Zhejiang China
- Department of Anesthesiology; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong China
| | - Jia-Li Zhou
- Department of Anesthesiology; Zhejiang Hospital; Hangzhou Zhejiang China
| | - Jing Ye
- Department of Anesthesiology; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong China
| | - Pei-Pei Guo
- Department of Anesthesiology; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong China
| | - Chun-Shui Lin
- Department of Anesthesiology; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong China
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148
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Zeliger HI. Predicting disease onset in clinically healthy people. Interdiscip Toxicol 2016; 9:39-54. [PMID: 28652846 PMCID: PMC5458104 DOI: 10.1515/intox-2016-0006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Revised: 04/12/2016] [Accepted: 04/17/2016] [Indexed: 11/17/2022] Open
Abstract
Virtually all human disease is induced by oxidative stress. Oxidative stress, which is caused by toxic environmental exposure, the presence of disease, lifestyle choices, stress, chronic inflammation or combinations of these, is responsible for most disease. Oxidative stress from all sources is additive and it is the total oxidative stress from all sources that induces the onset of most disease. Oxidative stress leads to lipid peroxidation, which in turn produces Malondialdehyde. Serum malondialdehyde level is an additive parameter resulting from all sources of oxidative stress and, therefore, is a reliable indicator of total oxidative stress which can be used to predict the onset of disease in clinically asymptomatic individuals and to suggest the need for treatment that can prevent much human disease.
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149
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Bernardes FP, Batista AT, Porto ML, Vasquez EC, Campagnaro BP, Meyrelles SS. Protective effect of sildenafil on the genotoxicity and cytotoxicity in apolipoprotein E-deficient mice bone marrow cells. Lipids Health Dis 2016; 15:100. [PMID: 27229150 PMCID: PMC4882816 DOI: 10.1186/s12944-016-0268-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 05/20/2016] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The pharmacological inhibitor of phosphodiesterase 5 (PDE5), sildenafil, is a promising candidate for antioxidant therapy that can result in cardiovascular protection. In addition to its known effects on the cardiovascular system, hypercholesterolemia leads to increased oxidative stress and DNA damage in the bone marrow, which is a non-classical target organ of atherosclerosis. In the present study, we evaluate oxidative stress and assess the effect of genomic instability on cell cycle kinetics in atherosclerotic animals and determine if sildenafil reverses these detrimental effects in bone marrow cells. METHODS Experiments were performed in male wild-type (WT) and apolipoprotein E knockout mice (apoE(-/-)) (9 weeks of age). apoE(-/-) mice were randomly distributed into the following 2 groups: sildenafil-treated (40 mg/kg/day for 3 weeks, n = 8) and vehicle-treated (n = 8), by oral gavage. After treatment, bone marrow cells were isolated to assess the production of superoxide anions and hydrogen peroxide, determine cell cycle kinetics and evaluate the presence of micronucleated cells. RESULTS Sildenafil treatment reduced the cytoplasmic levels of superoxide anion (~95% decrease, p < 0.05) and decreased hydrogen peroxide (~30% decrease, p < 0.05). Moreover, we observed protective effects on the DNA of bone marrow cells, including normal cell cycling, decreased DNA fragmentation and a diminished frequency of micronucleated cells. CONCLUSION Our data reveal that the excessive production of ROS in atherosclerotic mice overcome the DNA repair pathways in bone marrow cells. The novelty of the present study is that the administration of sildenafil reduced ROS to baseline levels and, consequently, reverted the DNA damage and its outcomes in bone marrow cells.
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Affiliation(s)
- Franciane P Bernardes
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo, Vitoria, Brazil
| | - Alan T Batista
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo, Vitoria, Brazil
| | - Marcella L Porto
- Federal Institute of Education, Science and Technology (IFES), Vila Velha, ES, Brazil
| | - Elisardo C Vasquez
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo, Vitoria, Brazil
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha, ES, Brazil
| | - Bianca P Campagnaro
- Pharmaceutical Sciences Graduate Program, Vila Velha University (UVV), Vila Velha, ES, Brazil
| | - Silvana S Meyrelles
- Laboratory of Translational Physiology, Health Sciences Center, Federal University of Espirito Santo, Vitoria, Brazil.
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150
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Hossen MJ, Hong YD, Baek KS, Yoo S, Hong YH, Kim JH, Lee JO, Kim D, Park J, Cho JY. In vitro antioxidative and anti-inflammatory effects of the compound K-rich fraction BIOGF1K, prepared from Panax ginseng. J Ginseng Res 2016; 41:43-51. [PMID: 28123321 PMCID: PMC5223069 DOI: 10.1016/j.jgr.2015.12.009] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 12/24/2015] [Indexed: 12/24/2022] Open
Abstract
Background BIOGF1K, a compound K-rich fraction prepared from the root of Panax ginseng, is widely used for cosmetic purposes in Korea. We investigated the functional mechanisms of the anti-inflammatory and antioxidative activities of BIOGF1K by discovering target enzymes through various molecular studies. Methods We explored the inhibitory mechanisms of BIOGF1K using lipopolysaccharide-mediated inflammatory responses, reporter gene assays involving overexpression of toll-like receptor adaptor molecules, and immunoblotting analysis. We used the 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay to measure the antioxidative activity. We cotransfected adaptor molecules, including the myeloid differentiation primary response gene 88 (MyD88) and Toll/interleukin-receptor domain containing adaptor molecule-inducing interferon-β (TRIF), to measure the activation of nuclear factor (NF)-κB and interferon regulatory factor 3 (IRF3). Results BIOGF1K suppressed lipopolysaccharide-triggered NO release in macrophages as well as DPPH-induced electron-donating activity. It also blocked lipopolysaccharide-induced mRNA levels of interferon-β and inducible nitric oxide synthase. Moreover, BIOGF1K diminished the translocation and activation of IRF3 and NF-κB (p50 and p65). This extract inhibited the upregulation of NF-κB-linked luciferase activity provoked by phorbal-12-myristate-13 acetate as well as MyD88, TRIF, and inhibitor of κB (IκBα) kinase (IKKβ), and IRF3-mediated luciferase activity induced by TRIF and TANK-binding kinase 1 (TBK1). Finally, BIOGF1K downregulated the NF-κB pathway by blocking IKKβ and the IRF3 pathway by inhibiting TBK1, according to reporter gene assays, immunoblotting analysis, and an AKT/IKKβ/TBK1 overexpression strategy. Conclusion Overall, our data suggest that the suppression of IKKβ and TBK1, which mediate transcriptional regulation of NF-κB and IRF3, respectively, may contribute to the broad-spectrum inhibitory activity of BIOGF1K.
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Affiliation(s)
- Muhammad Jahangir Hossen
- Department of Genetic Engineering, Sungkyunkwan University, Suwon, Korea; Department of Animal Science, Patuakhali Science and Technology University, Patuakhali, Bangladesh
| | - Yong Deog Hong
- Heritage Material Research Team, Amorepacific R&D Unit, Yongin, Korea
| | - Kwang-Soo Baek
- Department of Genetic Engineering, Sungkyunkwan University, Suwon, Korea
| | - Sulgi Yoo
- Department of Genetic Engineering, Sungkyunkwan University, Suwon, Korea
| | - Yo Han Hong
- Department of Genetic Engineering, Sungkyunkwan University, Suwon, Korea
| | - Ji Hye Kim
- Department of Genetic Engineering, Sungkyunkwan University, Suwon, Korea
| | - Jeong-Oog Lee
- Bio-inspired Aerospace Information Laboratory, Department of Aerospace Information Engineering, Konkuk University, Seoul, Korea
| | - Donghyun Kim
- Heritage Material Research Team, Amorepacific R&D Unit, Yongin, Korea
| | - Junseong Park
- Heritage Material Research Team, Amorepacific R&D Unit, Yongin, Korea
| | - Jae Youl Cho
- Department of Genetic Engineering, Sungkyunkwan University, Suwon, Korea
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