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Koutakis P, Hernandez H, Miserlis D, Thompson JR, Papoutsi E, Mietus CJ, Haynatzki G, Kim JK, Casale GP, Pipinos II. Oxidative damage in the gastrocnemius predicts long-term survival in patients with peripheral artery disease. NPJ AGING 2024; 10:21. [PMID: 38580664 PMCID: PMC10997596 DOI: 10.1038/s41514-024-00147-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 03/20/2024] [Indexed: 04/07/2024]
Abstract
Patients with peripheral artery disease (PAD) have increased mortality rates and a myopathy in their affected legs which is characterized by increased oxidative damage, reduced antioxidant enzymatic activity and defective mitochondrial bioenergetics. This study evaluated the hypothesis that increased levels of oxidative damage in gastrocnemius biopsies from patients with PAD predict long-term mortality rates. Oxidative damage was quantified as carbonyl adducts in myofibers of the gastrocnemius of PAD patients. The oxidative stress data were grouped into tertiles and the 5-year, all-cause mortality for each tertile was determined by Kaplan-Meier curves and compared by the Modified Peto test. A Cox-regression model was used to control the effects of clinical characteristics. Results were adjusted for age, sex, race, body mass index, ankle-brachial index, smoking, physical activity, and comorbidities. Of the 240 study participants, 99 died during a mean follow up of 37.8 months. Patients in the highest tertile of oxidative damage demonstrated the highest 5-year mortality rate. The mortality hazard ratios (HR) from the Cox analysis were statistically significant for oxidative damage (lowest vs middle tertile; HR = 6.33; p = 0.0001 and lowest vs highest; HR = 8.37; p < 0.0001). Survival analysis of a contemporaneous population of PAD patients identifies abundance of carbonyl adducts in myofibers of their gastrocnemius as a predictor of mortality rate independently of ankle-brachial index, disease stage and other clinical and myopathy-related covariates.
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Affiliation(s)
- Panagiotis Koutakis
- Department of Biology, Baylor University, Waco, TX, USA.
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA.
| | - Hernan Hernandez
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA
| | - Dimitrios Miserlis
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA
- Department of Surgery and Perioperative Care, University of Texas at Austin, Austin, TX, USA
| | - Jonathan R Thompson
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA
| | - Evlampia Papoutsi
- Department of Biology, Baylor University, Waco, TX, USA
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA
| | - Constance J Mietus
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA
- Department of Neurological Surgery, University of Massachusetts Medical School, Worcester, MA, USA
| | - Gleb Haynatzki
- Department of Biostatistics, University of Nebraska Medical Center, Omaha, NE, USA
| | - Julian K Kim
- Department of Biology, Baylor University, Waco, TX, USA
| | - George P Casale
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA
| | - Iraklis I Pipinos
- Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA.
- Department of Surgery and VA Research Service, VA Nebraska-Western Iowa Health Care System, Omaha, NE, USA.
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Ibrahim AA, Nsairat H, Al-Sulaibi M, El-Tanani M, Jaber AM, Lafi Z, Barakat R, Abuarqoub DA, Mahmoud IS, Obare SO, Aljabali AAA, Alkilany AM, Alshaer W. Doxorubicin conjugates: a practical approach for its cardiotoxicity alleviation. Expert Opin Drug Deliv 2024; 21:399-422. [PMID: 38623735 DOI: 10.1080/17425247.2024.2343882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 02/29/2024] [Indexed: 04/17/2024]
Abstract
INTRODUCTION Doxorubicin (DOX) emerges as a cornerstone in the arsenal of potent chemotherapeutic agents. Yet, the clinical deployment of DOX is tarnished by its proclivity to induce severe cardiotoxic effects, culminating in heart failure and other consequential morbidities. In response, a panoply of strategies has undergone rigorous exploration over recent decades, all aimed at attenuating DOX's cardiotoxic impact. The advent of encapsulating DOX within lipidic or polymeric nanocarriers has yielded a dual triumph, augmenting DOX's therapeutic efficacy while mitigating its deleterious side effects. AREAS COVERED Recent strides have spotlighted the emergence of DOX conjugates as particularly auspicious avenues for ameliorating DOX-induced cardiotoxicity. These conjugates entail the fusion of DOX through physical or chemical bonds with diminutive natural or synthetic moieties, polymers, biomolecules, and nanoparticles. This spectrum encompasses interventions that impinge upon DOX's cardiotoxic mechanism, modulate cellular uptake and localization, confer antioxidative properties, or refine cellular targeting. EXPERT OPINION The endorsement of DOX conjugates as a compelling stratagem to mitigate DOX-induced cardiotoxicity resounds from this exegesis, amplifying safety margins and the therapeutic profile of this venerated chemotherapeutic agent. Within this ambit, DOX conjugates stand as a beacon of promise in the perpetual pursuit of refining chemotherapy-induced cardiac compromise.
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Affiliation(s)
- Abed Alqader Ibrahim
- Department of Nanoscience, Joint School of Nanoscience and Nanoengineering, University of North Carolina at Greensboro, Greensboro, NC, USA
| | - Hamdi Nsairat
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | - Mazen Al-Sulaibi
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | - Mohamed El-Tanani
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
- College of Pharmacy, Ras Al Khaimah Medical and Health Sciences University, Ras Al Khaimah, United Arab Emirates
| | - Areej M Jaber
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | - Zainab Lafi
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | - Rahmeh Barakat
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | - Duaa Azmi Abuarqoub
- Department of Pharmacology and Biomedical Sciences, Faculty of Pharmacy and Medical Sciences, University of Petra, Amman, Jordan
- Cell Therapy Center, The University of Jordan, Amman, Jordan
| | - Ismail Sami Mahmoud
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, The Hashemite University, Zarqa, Jordan
| | - Sherine O Obare
- Department of Nanoscience, Joint School of Nanoscience and Nanoengineering, University of North Carolina at Greensboro, Greensboro, NC, USA
- Department of Nanoengineering, Joint School of Nanoscience and Nanoengineering, North Carolina Agricultural and Technical State University, Greensboro, NC, USA
| | - Alaa A A Aljabali
- Faculty of Pharmacy, Department of Pharmaceutical Sciences, Yarmouk University, Irbid, Jordan
| | | | - Walhan Alshaer
- Cell Therapy Center, The University of Jordan, Amman, Jordan
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Zamanian MY, Sadeghi Ivraghi M, Khachatryan LG, Vadiyan DE, Bali HY, Golmohammadi M. A review of experimental and clinical studies on the therapeutic effects of pomegranate ( Punica granatum) on non-alcoholic fatty liver disease: Focus on oxidative stress and inflammation. Food Sci Nutr 2023; 11:7485-7503. [PMID: 38107091 PMCID: PMC10724645 DOI: 10.1002/fsn3.3713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/06/2023] [Accepted: 09/12/2023] [Indexed: 12/19/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is frequently linked to metabolic disorders and is prevalent in obese and diabetic patients. The pathophysiology of NAFLD involves multiple factors, including insulin resistance (IR), oxidative stress (OS), inflammation, and genetic predisposition. Recently, there has been an emphasis on the use of herbal remedies with many people around the world resorting to phytonutrients or nutraceuticals for treatment of numerous health challenges in various national healthcare settings. Pomegranate (Punica granatum) parts, such as juice, peel, seed and flower, have high polyphenol content and is well known for its antioxidant capabilities. Pomegranate polyphenols, such as hydrolyzable tannins, anthocyanins, and flavonoids, have high antioxidant capabilities that can help lower the OS and inflammation associated with NAFLD. The study aimed to investigate whether pomegranate parts could attenuate OS, inflammation, and other risk factors associated with NAFLD, and ultimately prevent the development of the disease. The findings of this study revealed that: 1. pomegranate juice contains hypoglycemic qualities that can assist manage blood sugar levels, which is vital for avoiding and treating NAFLD. 2. Polyphenols from pomegranate flowers increase paraoxonase 1 (PON1) mRNA and protein levels in the liver, which can help protect liver enzymes and prevent NAFLD. 3. Punicalagin (PU) is one of the major ellagitannins found in pomegranate, and PU-enriched pomegranate extract (PE) has been shown to inhibit HFD-induced hyperlipidemia and hepatic lipid deposition in rats. 4. Pomegranate fruit consumption, which is high in antioxidants, can decrease the activity of AST and ALT (markers of liver damage), lower TNF-α (a marker of inflammation), and improve overall antioxidant capacity in NAFLD patients. Overall, the polyphenols in pomegranate extracts have antioxidant, anti-inflammatory, hypoglycemic, and protective effects on liver enzymes, which can help prevent and manage NAFLD effects on liver enzymes, which can help prevent and manage NAFLD.
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Affiliation(s)
- Mohammad Yassin Zamanian
- Department of Physiology, School of MedicineHamadan University of Medical SciencesHamadanIran
- Department of Pharmacology and Toxicology, School of PharmacyHamadan University of Medical SciencesHamadanIran
| | | | - Lusine G. Khachatryan
- Department of Pediatric Diseases, N.F. Filatov Clinical Institute of Children's HealthI.M. Sechenov First Moscow State Medical University (Sechenov University)MoscowRussia
| | - Diana E. Vadiyan
- Institute of Dentistry, Department of Pediatric, Preventive Dentistry and OrthodonticsI.M. Sechenov First Moscow State Medical University (Sechenov University)MoscowRussia
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Sharma G, Seth A, Giri RP, Hayen N, Murphy BM, Ghosh SK. Ionic Liquid-Induced Assembly of DNA at Air-Water Interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:16079-16089. [PMID: 37922422 DOI: 10.1021/acs.langmuir.3c02212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2023]
Abstract
DNA nanotechnology is the future of many products in the pharmaceutical and cosmetic industries. Self-assembly of this negatively charged biopolymer at surfaces and interfaces is an essential step to elaborate its field of applications. In this study, the ionic liquid (IL) monolayer-assisted self-assembly of DNA macromolecules at the air-water interface has been closely monitored by employing various quantitative techniques, namely, surface pressure-area (π-A) isotherms, surface potential, interfacial rheology, and X-ray reflectivity (XRR). The π-A isotherms reveal that the IL 1,3-didecyl 3-methyl imidazolium chloride induces DNA self-assembly at the interface, leading to a thick viscoelastic film. The interfacial rheology exhibits a notable rise in the viscoelastic modulus as the surface pressure increases. The values of storage and loss moduli measured as a function of strain frequency suggest a relaxation frequency that depends on the length of the macromolecule. The XRR measurements indicate a considerable increase in DNA layer thickness at the elevated surface pressures depending on the number of base pairs of the DNA. The results are considered in terms of the electrostatic and hydrophobic interactions, allowing a quantitative conclusion about the arrangement of DNA strands underneath the monolayer of the ILs at the air-water interface.
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Affiliation(s)
- Gunjan Sharma
- Department of Physics, School of Natural Sciences, Shiv Nadar Institution of Eminence, NH 91, Tehsil Dadri, G. B. Nagar, Uttar Pradesh, 201314, India
| | - Ajit Seth
- Department of Physics, School of Natural Sciences, Shiv Nadar Institution of Eminence, NH 91, Tehsil Dadri, G. B. Nagar, Uttar Pradesh, 201314, India
| | - Rajendra P Giri
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität Zu Kiel, 24098 Kiel, Germany
| | - Nicolas Hayen
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität Zu Kiel, 24098 Kiel, Germany
| | - Bridget M Murphy
- Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität Zu Kiel, 24098 Kiel, Germany
| | - Sajal K Ghosh
- Department of Physics, School of Natural Sciences, Shiv Nadar Institution of Eminence, NH 91, Tehsil Dadri, G. B. Nagar, Uttar Pradesh, 201314, India
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Costa I, Barbosa DJ, Silva V, Benfeito S, Borges F, Remião F, Silva R. Research Models to Study Ferroptosis's Impact in Neurodegenerative Diseases. Pharmaceutics 2023; 15:pharmaceutics15051369. [PMID: 37242612 DOI: 10.3390/pharmaceutics15051369] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/14/2023] [Accepted: 04/21/2023] [Indexed: 05/28/2023] Open
Abstract
Ferroptosis is a type of regulated cell death promoted by the appearance of oxidative perturbations in the intracellular microenvironment constitutively controlled by glutathione peroxidase 4 (GPX4). It is characterized by increased production of reactive oxygen species, intracellular iron accumulation, lipid peroxidation, inhibition of system Xc-, glutathione depletion, and decreased GPX4 activity. Several pieces of evidence support the involvement of ferroptosis in distinct neurodegenerative diseases. In vitro and in vivo models allow a reliable transition to clinical studies. Several in vitro models, including differentiated SH-SY5Y and PC12 cells, among others, have been used to investigate the pathophysiological mechanisms of distinct neurodegenerative diseases, including ferroptosis. In addition, they can be useful in the development of potential ferroptosis inhibitors that can be used as disease-modifying drugs for the treatment of such diseases. On the other hand, in vivo models based on the manipulation of rodents and invertebrate animals, such as Drosophila melanogaster, Caenorhabditis elegans, and zebrafish, have been increasingly used for research in neurodegeneration. This work provides an up-to-date review of the main in vitro and in vivo models that can be used to evaluate ferroptosis in the most prevalent neurodegenerative diseases, and to explore potential new drug targets and novel drug candidates for effective disease-modifying therapies.
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Affiliation(s)
- Inês Costa
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Daniel José Barbosa
- TOXRUN-Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, 4200-135 Porto, Portugal
| | - Vera Silva
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- CIQUP-IMS-Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Sofia Benfeito
- CIQUP-IMS-Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Fernanda Borges
- CIQUP-IMS-Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Fernando Remião
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Renata Silva
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
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6
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Zachariou V, Bauer CE, Pappas C, Gold BT. High cortical iron is associated with the disruption of white matter tracts supporting cognitive function in healthy older adults. Cereb Cortex 2022; 33:4815-4828. [PMID: 36182267 PMCID: PMC10110441 DOI: 10.1093/cercor/bhac382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 01/25/2023] Open
Abstract
Aging is associated with brain iron accumulation, which has been linked to cognitive decline. However, how brain iron affects the structure and function of cognitive brain networks remains unclear. Here, we explored the possibility that iron load in gray matter is associated with disruption of white matter (WM) microstructure within a network supporting cognitive function, in a cohort of 95 cognitively normal older adults (age range: 60-86). Functional magnetic resonance imaging was used to localize a set of brain regions involved in working memory and diffusion tensor imaging based probabilistic tractography was used to identify a network of WM tracts connecting the functionally defined regions. Brain iron concentration within these regions was evaluated using quantitative susceptibility mapping and microstructural properties were assessed within the identified tracts using neurite orientation dispersion and density imaging. Results indicated that high brain iron concentration was associated with low neurite density (ND) within the task-relevant WM network. Further, regional associations were observed such that brain iron in cortical regions was linked with lower ND in neighboring but not distant WM tracts. Our results provide novel evidence suggesting that age-related increases in brain iron concentration are associated with the disruption of WM tracts supporting cognitive function in normal aging.
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Affiliation(s)
- Valentinos Zachariou
- Department of Neuroscience, University of Kentucky, Lexington, KY 40536-0298, United States.,College of Medicine, University of Kentucky, Lexington, KY 40536-0298, United States
| | - Christopher E Bauer
- Department of Neuroscience, University of Kentucky, Lexington, KY 40536-0298, United States.,College of Medicine, University of Kentucky, Lexington, KY 40536-0298, United States
| | - Colleen Pappas
- Department of Neuroscience, University of Kentucky, Lexington, KY 40536-0298, United States.,College of Medicine, University of Kentucky, Lexington, KY 40536-0298, United States
| | - Brian T Gold
- Department of Neuroscience, University of Kentucky, Lexington, KY 40536-0298, United States.,College of Medicine, University of Kentucky, Lexington, KY 40536-0298, United States.,Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY 40536-0298, United States.,Magnetic Resonance Imaging and Spectroscopy Center, University of Kentucky, Lexington, KY 40536-0298, United States
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Sutkowy P, Wróblewska J, Wróblewski M, Nuszkiewicz J, Modrzejewska M, Woźniak A. The Impact of Exercise on Redox Equilibrium in Cardiovascular Diseases. J Clin Med 2022; 11:jcm11164833. [PMID: 36013072 PMCID: PMC9410476 DOI: 10.3390/jcm11164833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/05/2022] [Accepted: 08/16/2022] [Indexed: 11/16/2022] Open
Abstract
Cardiovascular diseases constitute the most important public health problem in the world. They are characterized by inflammation and oxidative stress in the heart and blood. Physical activity is recognized as one of the best ways to prevent these diseases, and it has already been applied in treatment. Physical exercise, both aerobic and anaerobic and single and multiple, is linked to the oxidant–antioxidant imbalance; however, this leads to positive adaptive changes in, among others, the increase in antioxidant capacity. The goal of the paper was to discuss the issue of redox equilibrium in the human organism in the course of cardiovascular diseases to systemize updated knowledge in the context of exercise impacts on the organism. Antioxidant supplementation is also an important issue since antioxidant supplements still have great potential regarding their use as drugs in these diseases.
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Kahremany S, Hofmann L, Gruzman A, Dinkova-Kostova AT, Cohen G. NRF2 in dermatological disorders: Pharmacological activation for protection against cutaneous photodamage and photodermatosis. Free Radic Biol Med 2022; 188:262-276. [PMID: 35753587 PMCID: PMC9350913 DOI: 10.1016/j.freeradbiomed.2022.06.238] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/16/2022] [Accepted: 06/21/2022] [Indexed: 01/27/2023]
Abstract
The skin barrier and its endogenous protective mechanisms cope daily with exogenous stressors, of which ultraviolet radiation (UVR) poses an imminent danger. Although the skin is able to reduce the potential damage, there is a need for comprehensive strategies for protection. This is particularly important when developing pharmacological approaches to protect against photocarcinogenesis. Activation of NRF2 has the potential to provide comprehensive and long-lasting protection due to the upregulation of numerous cytoprotective downstream effector proteins that can counteract the damaging effects of UVR. This is also applicable to photodermatosis conditions that exacerbate the damage caused by UVR. This review describes the alterations caused by UVR in normal skin and photosensitive disorders, and provides evidence to support the development of NRF2 activators as pharmacological treatments. Key natural and synthetic activators with photoprotective properties are summarized. Lastly, the gap in knowledge in research associated with photodermatosis conditions is highlighted.
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Affiliation(s)
- Shirin Kahremany
- Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, 5290002, Israel; The Skin Research Institute, The Dead Sea and Arava Science Center, Masada, 86910, Israel
| | - Lukas Hofmann
- Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Arie Gruzman
- Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Albena T Dinkova-Kostova
- Jacqui Wood Cancer Centre, Division of Cellular Medicine, School of Medicine, University of Dundee, Dundee, UK; Department of Pharmacology and Molecular Sciences and Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Guy Cohen
- The Skin Research Institute, The Dead Sea and Arava Science Center, Masada, 86910, Israel; Ben-Gurion University of the Negev, Eilat Campus, Eilat, 8855630, Israel.
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Petan T, Manček-Keber M. Half is enough: Oxidized lysophospholipids as novel bioactive molecules. Free Radic Biol Med 2022; 188:351-362. [PMID: 35779690 DOI: 10.1016/j.freeradbiomed.2022.06.228] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/01/2022] [Accepted: 06/13/2022] [Indexed: 10/17/2022]
Abstract
Studies in the last decade have established the roles of oxidized phospholipids as modulators of various cellular processes, from inflammation and immunity to cell death. Oxidized lysophospholipids, formed through the activity of phospholipases and oxidative enzymes and lacking an acyl chain in comparison with parent phospholipids, are now emerging as novel bioactive lipid mediators. Their detection and structural characterization have been limited in the past due to low amounts and the complexity of their biosynthetic and removal pathways, but recent studies have unequivocally demonstrated their formation under inflammatory conditions. The involvement of oxidized lysophospholipids in immune regulation classifies them as damage-associated molecular patterns (DAMPs), which can promote sterile inflammation and contribute to autoimmune and chronic diseases as well as aging-related diseases. Their signaling pathways are just beginning to be revealed. As the first publications indicate that oxidized lysophospholipids use the same receptors as pathogen-associated molecular patterns (PAMPs), it is likely that the inhibition of signaling pathways activated by oxidized lysophospholipids would affect innate immunity per se. On the other hand, inhibition or modulation of their enzymatic formation, which would not interfere with the response to pathogens, might be beneficial and is potentially a promising new field of research.
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Affiliation(s)
- Toni Petan
- Department of Molecular and Biomedical Sciences, Jožef Stefan Institute, 1000, Ljubljana, Slovenia.
| | - Mateja Manček-Keber
- Department of Synthetic Biology and Immunology, National Institute of Chemistry, 1000, Ljubljana, Slovenia.
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Rotariu D, Babes EE, Tit DM, Moisi M, Bustea C, Stoicescu M, Radu AF, Vesa CM, Behl T, Bungau AF, Bungau SG. Oxidative stress - Complex pathological issues concerning the hallmark of cardiovascular and metabolic disorders. Biomed Pharmacother 2022; 152:113238. [PMID: 35687909 DOI: 10.1016/j.biopha.2022.113238] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/30/2022] [Accepted: 06/02/2022] [Indexed: 12/07/2022] Open
Abstract
Oxidative stress is a complex biological process characterized by the excessive production of reactive oxygen species (ROS) that act as destroyers of the REDOX balance in the body and, implicitly, inducing oxidative damage. All the metabolisms are impaired in oxidative stress and even nucleic acid balance is influenced. ROS will promote structural changes of the tissues and organs due to interaction with proteins and phospholipids. The constellation of the cardiovascular risk factors (CVRFs) will usually develop in subjects with predisposition to cardiac disorders. Oxidative stress is usually related with hypertension (HTN), diabetes mellitus (DM), obesity and cardiovascular diseases (CVDs) like coronary artery disease (CAD), cardiomyopathy or heart failure (HF), that can develop in subjects with the above-mentioned diseases. Elements describing the complex relationship between CVD and oxidative stress should be properly explored and described because prevention may be the optimal approach. Our paper aims to expose in detail the complex physiopathology of oxidative stress in CVD occurrence and novelties regarding the phenomenon. Biomarkers assessing oxidative stress or therapy targeting specific pathways represent a major progress that actually change the outcome of subjects with CVD. New antioxidants therapy specific for each CVD represents a captivating and interesting future perspective with tremendous benefits on subject's outcome.
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Affiliation(s)
- Dragos Rotariu
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania.
| | - Emilia Elena Babes
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy of Oradea, University of Oradea, 410073 Oradea, Romania.
| | - Delia Mirela Tit
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania.
| | - Madalina Moisi
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy of Oradea, University of Oradea, 410073 Oradea, Romania.
| | - Cristiana Bustea
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy of Oradea, University of Oradea, 410073 Oradea, Romania.
| | - Manuela Stoicescu
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy of Oradea, University of Oradea, 410073 Oradea, Romania.
| | - Andrei-Flavius Radu
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy of Oradea, University of Oradea, 410073 Oradea, Romania.
| | - Cosmin Mihai Vesa
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy of Oradea, University of Oradea, 410073 Oradea, Romania.
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India.
| | | | - Simona Gabriela Bungau
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania.
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11
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Chalkha M, Nakkabi A, Hadda TB, Berredjem M, Moussaoui AE, Bakhouch M, Saadi M, Ammari LE, Almalki FA, Laaroussi H, Jevtovic V, Yazidi ME. Crystallographic study, biological assessment and POM/Docking studies of pyrazoles-sulfonamide hybrids (PSH): Identification of a combined Antibacterial/Antiviral pharmacophore sites leading to in-silico screening the anti-Covid-19 activity. J Mol Struct 2022; 1267:133605. [PMID: 35782312 PMCID: PMC9237569 DOI: 10.1016/j.molstruc.2022.133605] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 06/03/2022] [Accepted: 06/27/2022] [Indexed: 01/14/2023]
Abstract
The discovery and development of new potent antimicrobial and antioxidant agents is an essential lever to protect living beings against pathogenic microorganisms and free radicals. In this regard, new functionalized pyrazoles have been synthesized using a simple and accessible approach. The synthesized aminobenzoylpyrazoles 3a-h and pyrazole-sulfonamides 4a-g were obtained in good yields and were evaluated in vitro for their antimicrobial and antioxidant activities. The structures of the synthesized compounds were determined using IR, NMR, and mass spectrometry. The structure of the compound 4b was further confirmed by single crystal X-ray diffraction. The results of the in vitro screening show that the synthesized pyrazoles 3 and 4 exhibit a promising antimicrobial and antioxidant activities. Among the tested compounds, pyrazoles 3a, 3f, 4e, 4f, and 4g have exhibited remarkable antimicrobial activity against some microorganisms. In addition, compounds 3a, 3c, 3e, 4a, 4d, 4f, and 4g have shown a significant antioxidant activity in comparison with the standard butylhydroxytoluene (BHT). Hence, compounds 3a, 4f, and 4g represent interesting dual acting antimicrobial and antioxidant agents. In fact, pyrazole derivatives bearing sulfonamide moiety (4a-g) have displayed an important antimicrobial activity compared to pyrazoles 3a-h, this finding could be attributed to the synergistic effect of the pyrazole and sulfonamide pharmacophores. Furthermore, Molecular docking results revealed a good interaction of the synthesized compounds with the target proteins and provided important information about their interaction modes with the target enzyme. The results of the POM bioinformatics investigations (Petra, Osiris, Molinspiration) show that the studied heterocycles present a very good non toxicity profile, an excellent bioavailability, and pharmacokinetics. Finally, an antiviral pharmacophore (O δ−, O δ−) was evaluated in the POM investigations and deserves all our attention to be tested against Covid-19 and its Omicron and Delta mutants.
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Affiliation(s)
- Mohammed Chalkha
- Engineering Laboratory of Organometallic and Molecular Materials and Environment (LIMOME), Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796, Atlas, Fez, 30000, Morocco
| | - Asmae Nakkabi
- Engineering Laboratory of Organometallic and Molecular Materials and Environment (LIMOME), Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796, Atlas, Fez, 30000, Morocco
- Laboratoire de Chimie des Matériaux et Biotechnologie des Produits Naturels, Faculté des Sciences, Université Moulay Ismail, BP 11201, Meknes 50000, Morocco
| | - Taibi Ben Hadda
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia
- Laboratory of Applied Chemistry & Environment, Faculty of Sciences, Mohammed Premier University, MB 524, Oujda 60000, Morocco
| | - Malika Berredjem
- Laboratoire de chimie organique appliquée (LCOA), Groupe de Synthèse de biomolécules et modélisation moléculaire, Université Badji-Mokhtar Annaba, BP 12, Annaba 23000, Algérie
| | - Abdelfattah El Moussaoui
- Laboratory of Biotechnology, Environment, Agri-Food, and Health (LBEAS), Faculty of Sciences, University Sidi Mohamed Ben Abdellah (USMBA), Fez 30050, Morocco
| | - Mohamed Bakhouch
- Laboratory of Bioorganic Chemistry, Department of Chemistry, Faculty of Sciences, Chouaïb Doukkali University, El Jadida 24000, Morocco
| | - Mohamed Saadi
- Laboratoire de Chimie Appliquée des Matériaux, Centres des Sciences des Matériaux, Faculty of Science, Mohammed V University, Avenue Ibn Battouta, BP. 1014, 100090 Rabat, Morocco
| | - Lahcen El Ammari
- Laboratoire de Chimie Appliquée des Matériaux, Centres des Sciences des Matériaux, Faculty of Science, Mohammed V University, Avenue Ibn Battouta, BP. 1014, 100090 Rabat, Morocco
| | - Faisal A Almalki
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Hamid Laaroussi
- Laboratory of Applied Chemistry & Environment, Faculty of Sciences, Mohammed Premier University, MB 524, Oujda 60000, Morocco
| | - Violeta Jevtovic
- Department of Chemistry, College of Science, University of Hail, Hail 81451, Saudi Arabia
| | - Mohamed El Yazidi
- Engineering Laboratory of Organometallic and Molecular Materials and Environment (LIMOME), Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796, Atlas, Fez, 30000, Morocco
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12
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Rahman MM, Noman MAA, Hossain MW, Alam R, Akter S, Kabir MM, Uddin MJ, Amin MZ, Syfuddin HM, Akhter S, Karpiński TM. Curcuma longa L. Prevents the Loss of β-Tubulin in the Brain and Maintains Healthy Aging in Drosophila melanogaster. Mol Neurobiol 2022; 59:1819-1835. [PMID: 35028900 PMCID: PMC8882102 DOI: 10.1007/s12035-021-02701-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 12/14/2021] [Indexed: 11/28/2022]
Abstract
Loss of tubulin is associated with neurodegeneration and brain aging. Turmeric (Curcuma longa L.) has frequently been employed as a spice in curry and traditional medications in the Indian subcontinent to attain longevity and better cognitive performance. We aimed to evaluate the unelucidated mechanism of how turmeric protects the brain to be an anti-aging agent. D. melanogaster was cultured on a regular diet and turmeric-supplemented diet. β-tubulin level and physiological traits including survivability, locomotor activity, fertility, tolerance to oxidative stress, and eye health were analyzed. Turmeric showed a hormetic effect, and 0.5% turmeric was the optimal dose in preventing aging. β-tubulin protein level was decreased in the brain of D. melanogaster upon aging, while a 0.5% turmeric-supplemented diet predominantly prevented this aging-induced loss of β-tubulin and degeneration of physiological traits as well as improved β-tubulin synthesis in the brain of D. melanogaster early to mid-age. The higher concentration (≥ 1%) of turmeric-supplemented diet decreased the β-tubulin level and degenerated many of the physiological traits of D. melanogaster. The turmeric concentration-dependent increase and decrease of β-tubulin level were consistent with the increment and decrement data obtained from the evaluated physiological traits. This correlation demonstrated that turmeric targets β-tubulin and has both beneficial and detrimental effects that depend on the concentration of turmeric. The findings of this study concluded that an optimal dosage of turmeric could maintain a healthy neuron and thus healthy aging, by preventing the loss and increasing the level of β-tubulin in the brain.
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Affiliation(s)
- Md Mashiar Rahman
- Molecular and Cellular Biology Laboratory, Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - Md Abdullah Al Noman
- Molecular and Cellular Biology Laboratory, Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - Md Walid Hossain
- Molecular and Cellular Biology Laboratory, Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - Rahat Alam
- Molecular and Cellular Biology Laboratory, Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - Selena Akter
- Molecular and Cellular Biology Laboratory, Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - Md Masnoon Kabir
- Molecular and Cellular Biology Laboratory, Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - Mohammad Jashim Uddin
- Department of Pharmacy, Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - Md Ziaul Amin
- Molecular and Cellular Biology Laboratory, Department of Genetic Engineering and Biotechnology, Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - H M Syfuddin
- Laboratory of Cancer Biology, Department of Oncology, University of Oxford, Oxford, OX3 7DQ, UK
| | - Shahina Akhter
- Department of Biochemistry and Biotechnology, University of Science and Technology Chittagong (USTC), Foy's Lake, Chittagong, 4202, Bangladesh.
| | - Tomasz M Karpiński
- Chair and Department of Medical Microbiology, Poznań University of Medical Sciences, Wieniawskiego 3, 61-712, Poznań, Poland.
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13
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Torres AK, Rivera BI, Polanco CM, Jara C, Tapia-Rojas C. Phosphorylated tau as a toxic agent in synaptic mitochondria: implications in aging and Alzheimer's disease. Neural Regen Res 2022; 17:1645-1651. [PMID: 35017410 PMCID: PMC8820692 DOI: 10.4103/1673-5374.332125] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
During normal aging, there is a decline in all physiological functions in the organism. One of the most affected organs is the brain, where neurons lose their proper synaptic function leading to cognitive impairment. Aging is one of the main risk factors for the development of neurodegenerative diseases, such as Alzheimer’s disease. One of the main responsible factors for synaptic dysfunction in aging and neurodegenerative diseases is the accumulation of abnormal proteins forming aggregates. The most studied brain aggregates are the senile plaques, formed by Aβ peptide; however, the aggregates formed by phosphorylated tau protein have gained relevance in the last years by their toxicity. It is reported that neurons undergo severe mitochondrial dysfunction with age, with a decrease in adenosine 5′-triphosphate production, loss of the mitochondrial membrane potential, redox imbalance, impaired mitophagy, and loss of calcium buffer capacity. Interestingly, abnormal tau protein interacts with several mitochondrial proteins, suggesting that it could induce mitochondrial dysfunction. Nevertheless, whether tau-mediated mitochondrial dysfunction occurs indirectly or directly is still unknown. A recent study of our laboratory shows that phosphorylated tau at Ser396/404 (known as PHF-1), an epitope commonly related to pathology, accumulates inside mitochondria during normal aging. This accumulation occurs preferentially in synaptic mitochondria, which suggests that it may contribute to the synaptic failure and cognitive impairment seen in aged individuals. Here, we review the main tau modifications promoting mitochondrial dysfunction, and the possible mechanism involved. Also, we discuss the evidence that supports the possibility that phosphorylated tau accumulation in synaptic mitochondria promotes synaptic and cognitive impairment in aging. Finally, we show evidence and argue about the presence of phosphorylated tau PHF-1 inside mitochondria in Alzheimer’s disease, which could be considered as an early event in the neurodegenerative process. Thus, phosphorylated tau PHF-1 inside the mitochondria could be considered such a potential therapeutic target to prevent or attenuate age-related cognitive impairment.
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Affiliation(s)
- Angie K Torres
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Sede Los Leones, Santiago, Chile
| | - Bastián I Rivera
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Sede Los Leones, Santiago, Chile
| | - Catalina M Polanco
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Sede Los Leones, Santiago, Chile
| | - Claudia Jara
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Sede Los Leones, Santiago, Chile
| | - Cheril Tapia-Rojas
- Laboratory of Neurobiology of Aging, Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Sede Los Leones, Santiago, Chile
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14
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Seo C, Park S, Kim Y, Ji M, Lee HS, Hwang YH, Choi S, Min J, Oh SJ, Yee ST, Lee W, Paik MJ. Metabolomic analysis of amino acids and organic acids in aging mouse eyes using gas chromatography-tandem mass spectrometry. Biomed Chromatogr 2021; 36:e5298. [PMID: 34913179 DOI: 10.1002/bmc.5298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 11/23/2021] [Accepted: 11/29/2021] [Indexed: 11/12/2022]
Abstract
This is a metabolomics study for monitoring of altered amino acid (AA) and organic acid (OA) metabolism of in the eyes from aging mouse model of 8-weeks, 18-weeks, and 18-months. Simultaneous metabolic profiling analysis of OAs and AAs was performed as ethoxycarbonyl/methoxime/tert-butyldimethylsilyl derivatives by gas chromatography-tandem mass spectrometry. A total 42 metabolites of 24 AAs and 18 OAs were determined and their composition values were normalized to the corresponding mean values of 8-week-old mice as control group. Then their normalized values were plotted as star graphs, which were distorted and readily distinguishable for age-related each group. Among 42 metabolites, 18 AAs and 11 OAs were age dependent and significantly different (p < 0.05). Principal component analysis and partial least squares discriminant analysis showed unclear separation between 8- and 18-week-old mice but clear separation between these and 18-month-old mice. Especially, the variables importance in projection (VIP) scores of 4-hydroxyproline, cis-aconitic acid, glycine, isocitric acid, leucine, pipecolic acid and lysine from PLS-DA were higher than 1.3. A heatmap for the classification and visualization of 42 metabolites showed differences in metabolite changes with aging. Altered AA and OA profiles were monitored, which may explain for metabolic disturbance of AA and OA. These findings are related with mitochondrial dysfunctions related with energy metabolism and impaired antioxidant system in the aging eye. Therefore, the present metabolomics results of the association between physiological states and altered metabolism of AA and OA will be useful for understanding aging eye and related diseases.
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Affiliation(s)
- Chan Seo
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Sehoon Park
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Youngbae Kim
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Moongi Ji
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Hyeon-Seong Lee
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea.,Natural Product Informatics Research Center, Gangneung Institute of Natural Products, Korea Institute of Science and Technology, Gangwon-do, Republic of Korea
| | - Yun-Ho Hwang
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Subin Choi
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Jeuk Min
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Song-Jin Oh
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Sung-Tae Yee
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
| | - Wonjae Lee
- College of Pharmacy, Chosun University, Gwangju, Republic of Korea
| | - Man-Jeong Paik
- College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon, Republic of Korea
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15
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Austin-Williams S, Hussain MT, Oggero S, Norling LV. Enhancing extracellular vesicles for therapeutic treatment of arthritic joints. Free Radic Biol Med 2021; 175:80-94. [PMID: 34461260 DOI: 10.1016/j.freeradbiomed.2021.08.235] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 08/09/2021] [Accepted: 08/26/2021] [Indexed: 12/18/2022]
Abstract
Extracellular vesicles are small membrane-derived packages of information that are released from virtually all cell types. These nano-packages contain regulatory material including proteins, lipids, mRNA and microRNA and are a key mechanism of paracellular communication within a given microenvironment. Encompassed with a lipid bilayer, these organelles have been attributed numerous roles in regulating both physiological and pathological functions. Herein, we describe the role of EVs in the context of Rheumatoid and Osteoarthritis and explore how they could be harnessed to treat inflammatory and degenerative joint conditions. These structures offer a promising therapeutic strategy for treating musculoskeletal diseases due to their bioactive content, stability, small size and intrinsic ability to enter the avascular cartilage, a notoriously challenging tissue to target. We also discuss how EVs can be manipulated to load therapeutic cargo or present additional targeting moieties to enhance their beneficial actions and tissue regenerative properties.
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Affiliation(s)
- Shani Austin-Williams
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom
| | - Mohammed T Hussain
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom
| | - Silvia Oggero
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom
| | - Lucy V Norling
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom; Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, UK.
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16
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Akagawa M. Protein carbonylation: molecular mechanisms, biological implications, and analytical approaches. Free Radic Res 2021; 55:307-320. [DOI: 10.1080/10715762.2020.1851027] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Mitsugu Akagawa
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Japan
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17
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McKeegan K, Mason SA, Trewin AJ, Keske MA, Wadley GD, Della Gatta PA, Nikolaidis MG, Parker L. Reactive oxygen species in exercise and insulin resistance: Working towards personalized antioxidant treatment. Redox Biol 2021; 44:102005. [PMID: 34049222 PMCID: PMC8167146 DOI: 10.1016/j.redox.2021.102005] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/25/2021] [Accepted: 05/06/2021] [Indexed: 12/11/2022] Open
Abstract
Reactive oxygen species (ROS) are well known for their role in insulin resistance and the development of cardiometabolic disease including type 2 diabetes mellitus (T2D). Conversely, evidence supports the notion that ROS are a necessary component for glucose cell transport and adaptation to physiological stress including exercise and muscle contraction. Although genetic rodent models and cell culture studies indicate antioxidant treatment to be an effective strategy for targeting ROS to promote health, human findings are largely inconsistent. In this review we discuss human research that has investigated antioxidant treatment and glycemic control in the context of health (healthy individuals and during exercise) and disease (insulin resistance and T2D). We have identified key factors that are likely to influence the effectiveness of antioxidant treatment: 1) the context of treatment including whether oxidative distress or eustress is present (e.g., hyperglycemia/lipidaemia or during exercise and muscle contraction); 2) whether specific endogenous antioxidant deficiencies are identified (redox screening); 3) whether antioxidant treatment is specifically designed to target and restore identified deficiencies (antioxidant specificity); 4) and the bioavailability and bioactivity of the antioxidant which are influenced by treatment dose, duration, and method of administration. The majority of human research has failed to account for these factors, limiting their ability to robustly test the effectiveness of antioxidants for health promotion and disease prevention. We propose that a modern "redox screening" and "personalized antioxidant treatment" approach is required to robustly explore redox regulation of human physiology and to elicit more effective antioxidant treatment in humans.
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Affiliation(s)
- Kathryn McKeegan
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
| | - Shaun A Mason
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
| | - Adam J Trewin
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
| | - Michelle A Keske
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
| | - Glenn D Wadley
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
| | - Paul A Della Gatta
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
| | - Michalis G Nikolaidis
- Department of Physical Education and Sport Science at Serres, Aristotle University of Thessaloniki, Serres, Greece
| | - Lewan Parker
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia.
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18
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Tomás-Simó P, D’Marco L, Romero-Parra M, Tormos-Muñoz MC, Sáez G, Torregrosa I, Estañ-Capell N, Miguel A, Gorriz JL, Puchades MJ. Oxidative Stress in Non-Dialysis-Dependent Chronic Kidney Disease Patients. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18157806. [PMID: 34360098 PMCID: PMC8345537 DOI: 10.3390/ijerph18157806] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/20/2021] [Accepted: 07/22/2021] [Indexed: 12/22/2022]
Abstract
Background: Cardiovascular complications are the leading cause of morbidity and mortality at any stage of chronic kidney disease (CKD). Moreover, the high rate of cardiovascular mortality observed in these patients is associated with an accelerated atherosclerosis process that likely starts at the early stages of CKD. Thus, traditional and non-traditional or uremic-related factors represent a link between CKD and cardiovascular risk. Among non-conventional risk factors, particular focus has been placed on anaemia, mineral and bone disorders, inflammation, malnutrition and oxidative stress and, in this regard, connections have been reported between oxidative stress and cardiovascular disease in dialysis patients. Methods: We evaluated the oxidation process in different molecular lines (proteins, lipids and genetic material) in 155 non-dialysis patients at different stages of CKD and 45 healthy controls. To assess oxidative stress status, we analyzed oxidized glutathione (GSSG), reduced glutathione (GSH) and the oxidized/reduced glutathione ratio (GSSG/GSH) and other oxidation indicators, including malondialdehyde (MDA) and 8-oxo-2’-deoxyguanosine (8-oxo-dG). Results: An active grade of oxidative stress was found from the early stages of CKD onwards, which affected all of the molecular lines studied. We observed a heightened oxidative state (indicated by a higher level of oxidized molecules together with decreased levels of antioxidant molecules) as kidney function declined. Furthermore, oxidative stress-related alterations were significantly greater in CKD patients than in the control group. Conclusions: CKD patients exhibit significantly higher oxidative stress than healthy individuals, and these alterations intensify as eGFR declines, showing significant differences between CKD stages. Thus, future research is warranted to provide clearer results in this area.
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Affiliation(s)
- Patricia Tomás-Simó
- Nephrology Department, Hospital Clínico Universitario, INCLIVA, Universidad de Valencia, 46010 Valencia, Spain; (P.T.-S.); (M.R.-P.); (I.T.); (A.M.); (J.L.G.)
| | - Luis D’Marco
- Nephrology Department, Hospital Clínico Universitario, INCLIVA, Universidad de Valencia, 46010 Valencia, Spain; (P.T.-S.); (M.R.-P.); (I.T.); (A.M.); (J.L.G.)
- Correspondence: (L.D.); (M.J.P.); Tel.: +34-961973500 (ext. 436443) (M.J.P.)
| | - María Romero-Parra
- Nephrology Department, Hospital Clínico Universitario, INCLIVA, Universidad de Valencia, 46010 Valencia, Spain; (P.T.-S.); (M.R.-P.); (I.T.); (A.M.); (J.L.G.)
| | - Mari Carmen Tormos-Muñoz
- Service of Clinical Analysis, Department of Biochemistry and Molecular Biology, Facultad de Medicina y Odontología-INCLIVA, Hospital Universitario Dr. Peset, FISABIO, Universidad de Valencia, 46010 Valencia, Spain; (M.C.T.-M.); (G.S.); (N.E.-C.)
| | - Guillermo Sáez
- Service of Clinical Analysis, Department of Biochemistry and Molecular Biology, Facultad de Medicina y Odontología-INCLIVA, Hospital Universitario Dr. Peset, FISABIO, Universidad de Valencia, 46010 Valencia, Spain; (M.C.T.-M.); (G.S.); (N.E.-C.)
| | - Isidro Torregrosa
- Nephrology Department, Hospital Clínico Universitario, INCLIVA, Universidad de Valencia, 46010 Valencia, Spain; (P.T.-S.); (M.R.-P.); (I.T.); (A.M.); (J.L.G.)
| | - Nuria Estañ-Capell
- Service of Clinical Analysis, Department of Biochemistry and Molecular Biology, Facultad de Medicina y Odontología-INCLIVA, Hospital Universitario Dr. Peset, FISABIO, Universidad de Valencia, 46010 Valencia, Spain; (M.C.T.-M.); (G.S.); (N.E.-C.)
| | - Alfonso Miguel
- Nephrology Department, Hospital Clínico Universitario, INCLIVA, Universidad de Valencia, 46010 Valencia, Spain; (P.T.-S.); (M.R.-P.); (I.T.); (A.M.); (J.L.G.)
| | - José Luis Gorriz
- Nephrology Department, Hospital Clínico Universitario, INCLIVA, Universidad de Valencia, 46010 Valencia, Spain; (P.T.-S.); (M.R.-P.); (I.T.); (A.M.); (J.L.G.)
| | - María Jesús Puchades
- Nephrology Department, Hospital Clínico Universitario, INCLIVA, Universidad de Valencia, 46010 Valencia, Spain; (P.T.-S.); (M.R.-P.); (I.T.); (A.M.); (J.L.G.)
- Correspondence: (L.D.); (M.J.P.); Tel.: +34-961973500 (ext. 436443) (M.J.P.)
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19
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Zachariou V, Bauer CE, Seago ER, Panayiotou G, Hall ED, Butterfield DA, Gold BT. Healthy dietary intake moderates the effects of age on brain iron concentration and working memory performance. Neurobiol Aging 2021; 106:183-196. [PMID: 34284261 DOI: 10.1016/j.neurobiolaging.2021.06.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 05/31/2021] [Accepted: 06/16/2021] [Indexed: 11/18/2022]
Abstract
Age-related brain iron accumulation is linked with oxidative stress, neurodegeneration and cognitive decline. Certain nutrients can reduce brain iron concentration in animal models, however, this association is not well established in humans. Moreover, it remains unknown if nutrition can moderate the effects of age on brain iron concentration and/or cognition. Here, we explored these issues in a sample of 73 healthy older adults (61-86 years old), while controlling for several factors such as age, gender, years of education, physical fitness and alcohol-intake. Quantitative susceptibility mapping was used for assessment of brain iron concentration and participants performed an N-Back paradigm to evaluate working memory performance. Nutritional-intake was assessed via a validated questionnaire. Nutrients were grouped into nutrition factors based on previous literature and factor analysis. One factor, comprised of vitamin E, lysine, DHA omega-3 and LA omega-6 PUFA, representing food groups such as nuts, healthy oils and fish, moderated the effects of age on both brain iron concentration and working memory performance, suggesting that these nutrients may slow the rate of brain iron accumulation and working memory declines in aging.
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Affiliation(s)
- Valentinos Zachariou
- Department of Neuroscience, College of Medicine, University of Kentucky, Lexington, KY, USA.
| | - Christopher E Bauer
- Department of Neuroscience, College of Medicine, University of Kentucky, Lexington, KY, USA
| | - Elayna R Seago
- Department of Neuroscience, College of Medicine, University of Kentucky, Lexington, KY, USA
| | - Georgia Panayiotou
- Department of Psychology and Center for Applied Neuroscience, University of Cyprus, Nicosia, Cyprus
| | - Edward D Hall
- Department of Neuroscience, College of Medicine, University of Kentucky, Lexington, KY, USA
| | - D Allan Butterfield
- Department of Chemistry, College of Medicine, University of Kentucky, Lexington, KY, USA; Sanders-Brown Center on Aging, College of Medicine, University of Kentucky, Lexington, KY, USA
| | - Brian T Gold
- Department of Neuroscience, College of Medicine, University of Kentucky, Lexington, KY, USA; Sanders-Brown Center on Aging, College of Medicine, University of Kentucky, Lexington, KY, USA; Magnetic Resonance Imaging and Spectroscopy Center, College of Medicine, University of Kentucky, Lexington, KY, USA.
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20
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Cho C, Lee E, Cho E, Yoo H, Bae J, Ha J, Hwang J. In vivo method to evaluate antioxidative activity using UVA-induced carbonylated protein on human skin. J Cosmet Dermatol 2021; 21:1263-1269. [PMID: 33991394 DOI: 10.1111/jocd.14227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/22/2021] [Accepted: 05/07/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Skin is continuously exposed to oxidative stress caused by reactive oxygen species (ROS) produced by the ultraviolet (UV) light, and it is important to evaluate the antioxidant activity. Carbonylated proteins (CPs) are candidate markers of oxidative modification as a result from the ROS. We aimed to develop the CP-based method to assess the efficacy of antioxidants in human skin. METHODS Ten healthy females were enrolled in the study to determine the UVA dosage for CP production, and another 10 females were included to evaluate the antioxidative activity. The stratum corneum was collected from test skin using D-Squame tape, and CPs from the SC were stained by fluorescence labeling and observed using a fluorescence microscope. RESULTS CP level significantly increased with UVA irradiation from 15J/cm2 to 50J/cm2 compared to the control (non-UVA) area. CP production significantly increased by 34.38% and 35.22% in UVA irradiation and squalene (vehicle) areas. 5% α-tocopherol and β-carotene significantly increased the CP production by 20.77% and 19.34% after 2 hours of 30J of UVA irradiation compared to control area. Inhibition rate of CPs in 5% α-tocopherol and 5% β-carotene showed 41.45% and 45.37% after 2 hours of UVA irradiation. CONCLUSION This study developed the simple, visual, and direct in vivo method to evaluate the antioxidative activity for products in human skin by measuring the CP level as an oxidative modification caused by UVA-induced ROS generation.
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Affiliation(s)
- Changhui Cho
- Department of Genetic Engineering, College of Life Sciences, Graduate School of Biotechnology, Kyung Hee University, Yongin, Republic of Korea
| | - Eunyoung Lee
- Skin Research Center, Institut d'Expertise Clinique (IEC) KOREA, Suwon, Republic of Korea
| | - Eunbyul Cho
- Skin Research Center, Institut d'Expertise Clinique (IEC) KOREA, Suwon, Republic of Korea
| | - Heejoo Yoo
- Skin Research Center, Institut d'Expertise Clinique (IEC) KOREA, Suwon, Republic of Korea
| | - Jiyoun Bae
- Skin Research Center, Institut d'Expertise Clinique (IEC) KOREA, Suwon, Republic of Korea
| | - Jaehyoun Ha
- Skin Research Center, Institut d'Expertise Clinique (IEC) KOREA, Suwon, Republic of Korea
| | - Jaesung Hwang
- Department of Genetic Engineering, College of Life Sciences, Graduate School of Biotechnology, Kyung Hee University, Yongin, Republic of Korea
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Fernandes E, Benfeito S, Cagide F, Gonçalves H, Bernstorff S, Nieder JB, Cd Real Oliveira ME, Borges F, Lúcio M. Lipid Nanosystems and Serum Protein as Biomimetic Interfaces: Predicting the Biodistribution of a Caffeic Acid-Based Antioxidant. Nanotechnol Sci Appl 2021; 14:7-27. [PMID: 33603350 PMCID: PMC7882595 DOI: 10.2147/nsa.s289355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 01/16/2021] [Indexed: 11/30/2022] Open
Abstract
Purpose AntiOxCIN3 is a novel mitochondriotropic antioxidant developed to minimize the effects of oxidative stress on neurodegenerative diseases. Prior to an investment in pre-clinical in vivo studies, it is important to apply in silico and biophysical cell-free in vitro studies to predict AntiOxCIN3 biodistribution profile, respecting the need to preserve animal health in accordance with the EU principles (Directive 2010/63/EU). Accordingly, we propose an innovative toolbox of biophysical studies and mimetic models of biological interfaces, such as nanosystems with different compositions mimicking distinct membrane barriers and human serum albumin (HSA). Methods Intestinal and cell membrane permeation of AntiOxCIN3 was predicted using derivative spectrophotometry. AntiOxCIN3 –HSA binding was evaluated by intrinsic fluorescence quenching, synchronous fluorescence, and dynamic/electrophoretic light scattering. Steady-state and time-resolved fluorescence quenching was used to predict AntiOxCIN3-membrane orientation. Fluorescence anisotropy, synchrotron small- and wide-angle X-ray scattering were used to predict lipid membrane biophysical impairment caused by AntiOxCIN3 distribution. Results and Discussion We found that AntiOxCIN3 has the potential to permeate the gastrointestinal tract. However, its biodistribution and elimination from the body might be affected by its affinity to HSA (>90%) and by its steady-state volume of distribution (VDSS=1.89± 0.48 L∙Kg−1). AntiOxCIN3 is expected to locate parallel to the membrane phospholipids, causing a bilayer stiffness effect. AntiOxCIN3 is also predicted to permeate through blood-brain barrier and reach its therapeutic target – the brain. Conclusion Drug interactions with biological interfaces may be evaluated using membrane model systems and serum proteins. This knowledge is important for the characterization of drug partitioning, positioning and orientation of drugs in membranes, their effect on membrane biophysical properties and the study of serum protein binding. The analysis of these interactions makes it possible to collect valuable knowledge on the transport, distribution, accumulation and, eventually, therapeutic impact of drugs which may aid the drug development process.
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Affiliation(s)
- Eduarda Fernandes
- Departamento de Física da Universidade do Minho, CF-UM-UP, Centro de Física das Universidades do Minho e Porto, Campus de Gualtar, Braga, 4710-057, Portugal.,Ultrafast Bio- and Nanophotonics Group, INL - International Iberian Nanotechnology Laboratory, Braga, Portugal
| | - Sofia Benfeito
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Fernando Cagide
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
| | | | - Sigrid Bernstorff
- Elettra-Sincrotrone Trieste S. C.p.A.,, Basovizza, Trieste, I-34149, Italy
| | - Jana B Nieder
- Ultrafast Bio- and Nanophotonics Group, INL - International Iberian Nanotechnology Laboratory, Braga, Portugal
| | - M Elisabete Cd Real Oliveira
- Departamento de Física da Universidade do Minho, CF-UM-UP, Centro de Física das Universidades do Minho e Porto, Campus de Gualtar, Braga, 4710-057, Portugal
| | - Fernanda Borges
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Marlene Lúcio
- Departamento de Física da Universidade do Minho, CF-UM-UP, Centro de Física das Universidades do Minho e Porto, Campus de Gualtar, Braga, 4710-057, Portugal.,CBMA, Centro de Biologia Molecular e Ambiental, Departamento de Biologia, Universidade do Minho, Campus de Gualtar, Braga 4710-057, Portugal
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Checa J, Aran JM. Reactive Oxygen Species: Drivers of Physiological and Pathological Processes. J Inflamm Res 2020; 13:1057-1073. [PMID: 33293849 PMCID: PMC7719303 DOI: 10.2147/jir.s275595] [Citation(s) in RCA: 322] [Impact Index Per Article: 80.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 10/10/2020] [Indexed: 12/11/2022] Open
Abstract
Since the Great Oxidation Event, about 2.4 billion years ago, the Earth is immersed in an oxidizing atmosphere. Thus, it has been proposed that excess oxygen, originally a waste product of photosynthetic cyanobacteria, induced oxidative stress and the production of reactive oxygen species (ROS), which have since acted as fundamental drivers of biologic evolution and eukaryogenesis. Indeed, throughout an organism’s lifespan, ROS affect directly (as mutagens) or indirectly (as messengers and regulators) all structural and functional components of cells, and many aspects of cell biology. Whether left unchecked by protective antioxidant systems, excess ROS not only cause genomic mutations but also induce irreversible oxidative modification of proteins (protein oxidation and peroxidation), lipids and glycans (advanced lipoxidation and glycation end products), impairing their function and promoting disease or cell death. Conversely, low-level local ROS play an important role both as redox-signaling molecules in a wide spectrum of pathways involved in the maintenance of cellular homeostasis (MAPK/ERK, PTK/PTP, PI3K-AKT-mTOR), and regulating key transcription factors (NFκB/IκB, Nrf2/KEAP1, AP-1, p53, HIF-1). Consequently, ROS can shape a variety of cellular functions, including proliferation, differentiation, migration and apoptosis. In this review, we will give a brief overview of the relevance of ROS in both physiological and pathological processes, particularly inflammation and aging. In-depth knowledge of the molecular mechanisms of ROS actuation and their influence under steady-state and stressful conditions will pave the way for the development of novel therapeutic interventions. This will mitigate the harmful outcomes of ROS in the onset and progression of a variety of chronic inflammatory and age-related diseases.
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Affiliation(s)
- Javier Checa
- Immune-Inflammatory Processes and Gene Therapeutics Group, IDIBELL, Hospital Duran i Reynals, L'Hospitalet de Llobregat, Barcelona 08907, Spain
| | - Josep M Aran
- Immune-Inflammatory Processes and Gene Therapeutics Group, IDIBELL, Hospital Duran i Reynals, L'Hospitalet de Llobregat, Barcelona 08907, Spain
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Synergy between 15-lipoxygenase and secreted PLA 2 promotes inflammation by formation of TLR4 agonists from extracellular vesicles. Proc Natl Acad Sci U S A 2020; 117:25679-25689. [PMID: 32973091 DOI: 10.1073/pnas.2005111117] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Damage-associated endogenous molecules induce innate immune response, thus making sterile inflammation medically relevant. Stress-derived extracellular vesicles (stressEVs) released during oxidative stress conditions were previously found to activate Toll-like receptor 4 (TLR4), resulting in expression of a different pattern of immune response proteins in comparison to lipopolysaccharide (LPS), underlying the differences between pathogen-induced and sterile inflammation. Here we report that synergistic activities of 15-lipoxygenase (15-LO) and secreted phospholipase A2 (sPLA2) are needed for the formation of TLR4 agonists, which were identified as lysophospholipids (lysoPLs) with oxidized unsaturated acyl chain. Hydroxy, hydroperoxy, and keto products of 2-arachidonoyl-lysoPI oxidation by 15-LO were identified by mass spectrometry (MS), and they activated the same gene pattern as stressEVs. Extracellular PLA2 activity was detected in the synovial fluid from rheumatoid arthritis and gout patients. Furthermore, injection of sPLA2 promoted K/BxN serum-induced arthritis in mice, whereby ankle swelling was partially TLR4 dependent. Results confirm the role of oxidized lysoPL of stressEVs in sterile inflammation that promotes chronic diseases. Both 15-LO and sPLA2 enzymes are induced during inflammation, which opens the opportunity for therapy without compromising innate immunity against pathogens.
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Farghali M, Ruga S, Morsanuto V, Uberti F. Can Brain Health Be Supported by Vitamin D-Based Supplements? A Critical Review. Brain Sci 2020; 10:brainsci10090660. [PMID: 32972010 PMCID: PMC7563709 DOI: 10.3390/brainsci10090660] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/10/2020] [Accepted: 09/15/2020] [Indexed: 02/07/2023] Open
Abstract
This review presents recent knowledge on the neuroprotective effects of vitamin D and their usefulness as oral supplementation when combined with other molecules, such as curcumin. A critical look at the effectiveness of vitamin D in this field is also provided. Vitamin D plays a crucial role in neuroprotection and in the cognitive decline associated with aging, where vitamin D’s levels are related to the levels of several neurotrophic factors. An important role of vitamin D has also been observed in the mechanism of neuroinflammation, which is the basis of several aging conditions, including cognitive decline and neurodegeration; furthermore, the neuroprotective effect of vitamin D in the cognitive decline of aging has recently been reported. For this reason, many food supplements created for humans contain vitamin D alone or combined with other molecules with antioxidant properties. However, recent studies also explored negative consequences of the use at a high dosage of vitamin D. Vitamin D in tissues or brain cells can also modulate calbindin-D28K, parvalbumin, and calretinin, and is involved in immune function, thanks also to the combination with curcumin. Curcumin acts as a free radical scavenger and antioxidant, inhibiting lipid peroxidation and oxidative DNA damage. In particular, curcumin is a potent immune-regulatory agent and its administration has been reported to attenuate cognitive impairments. These effects could be exploited in the future to control the mechanisms that lead to the brain decay typical of neurodegenerative diseases.
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Hepatoprotective effects of hydroxysafflor yellow A in D-galactose-treated aging mice. Eur J Pharmacol 2020; 881:173214. [PMID: 32454116 DOI: 10.1016/j.ejphar.2020.173214] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 05/15/2020] [Accepted: 05/19/2020] [Indexed: 12/14/2022]
Abstract
Hydroxysafflor yellow A (HSYA) is an effective chemical component isolated from Chinese herb Carthamus tinctorius L. In present study, we aimed to evaluate the effects of HSYA on D-galactose- (D-gal-) induced aging in mice, and to elucidate the underlying mechanism. Male C57BL/6 mice were intraperitoneal injection of D-gal and HSYA for 8 weeks. The body weight gain, spleen and thymus coefficients were determined. Levels of super dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px) and malondialdehyde (MDA) in serum and liver were measured using commercial kits. Pathological changes and the SA-β-Gal activity in liver tissues were detected by hematoxylin and eosin and SA-β-Gal staining. The expression levels of p16, CDK4, CDK6 and phosphorylation levels of Retinoblastoma (Rb) were detected by immunohistochemistry and western blot analysis. mRNA levels of genes regulated by p16-Rb pathway were determined by quantitative real-time PCR. In vivo, HSYA improved the aging changes including body weight, organ index and antioxidant status such as activities of SOD, CAT, GSH-Px and MDA in D-gal treated aging mice. HSYA also dramatically attenuated pathologic changes of aging liver tissues induced by D-gal. Furthermore, HSYA significantly decreased the mRNA and protein level of cyclin-dependent kinase inhibitor p16, followed by increasing CDK4/6 protein expression and decreasing the phosphorylation of Retinoblastoma (pRb) which up-regulated the expression of downstream genes CCNE1, CCNA2, P107 and MCM4. Collectively, these data indicated that HSYA could ameliorate aging, especially hepatic replicative senescence resulting from D-gal, the mechanism could be associated with the suppression of p16-Rb pathway.
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Role of Combined Lipoic Acid and Vitamin D3 on Astrocytes as a Way to Prevent Brain Ageing by Induced Oxidative Stress and Iron Accumulation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:2843121. [PMID: 30944691 PMCID: PMC6421749 DOI: 10.1155/2019/2843121] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 01/03/2019] [Indexed: 01/21/2023]
Abstract
Brain ageing is a complex multifactorial process characterized by gradual and continuous loss of neuronal functions. It is hypothesized that at the basis of brain ageing as well as age-related diseases, there is an impairment of the antioxidant defense system leading to an increase of oxidative stress. In this study, two different biological aspects involved in brain ageing and neurodegeneration have been investigated: oxidative stress and iron accumulation damage. In primary mouse astrocytes, the stimulation with 50 μM lipoic acid (LA) and 100 nM vitamin D (vitD) was first investigated in a time-course study to determine the dosages to be used in combination and then in a permeability test using an in vitro blood-brain barrier. In a second set of experiments, the role of oxidative stress was investigated pretreating astrocytes with 200 μM H2O2 for 30 min. The ability of vitD and LA alone and combined together to prevent or repair the damage caused by oxidative stress was investigated after 24 h of stimulation by the MTT test, mitochondrial membrane potential measurement, and Western blot analysis. To induce neurodegeneration, cells were pretreated with 300 μM catalytic iron for 6 days and then treated with vitD and LA alone and combined for additional 6 days to investigate the protection exerted by combination, analyzing viability, ROS production, iron concentration, and activation of intracellular pathways. In our study, the combination of LA and vitD showed beneficial effects on viability of astrocytes, since the substances are able to cross the brain barrier. In addition, combined LA and vitD attenuated the H2O2-induced apoptosis through the mitochondrial-mediated pathway. The combination was also able to counteract the adverse conditions caused by iron, preventing its accumulation. All these data support the hypothesis of the synergistic and cooperative activity exerted by LA and vitD in astrocytes indicating a possible new strategy to slow down ageing.
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Chandran R, Kumar M, Kesavan L, Jacob RS, Gunasekaran S, Lakshmi S, Sadasivan C, Omkumar R. Cellular calcium signaling in the aging brain. J Chem Neuroanat 2019; 95:95-114. [DOI: 10.1016/j.jchemneu.2017.11.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 09/03/2017] [Accepted: 11/07/2017] [Indexed: 12/21/2022]
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Oxidative Stress in Poultry: Lessons from the Viral Infections. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:5123147. [PMID: 30647810 PMCID: PMC6311761 DOI: 10.1155/2018/5123147] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 10/25/2018] [Indexed: 12/13/2022]
Abstract
Reactive species (RS), generally known as reactive oxygen species (ROS) and reactive nitrogen species (RNS), are produced during regular metabolism in the host and are required for many cellular processes such as cytokine transcription, immunomodulation, ion transport, and apoptosis. Intriguingly, both RNS and ROS are commonly triggered by the pathogenic viruses and are famous for their dual roles in the clearance of viruses and pathological implications. Uncontrolled production of reactive species results in oxidative stress and causes damage in proteins, lipids, DNA, and cellular structures. In this review, we describe the production of RS, their detoxification by a cellular antioxidant system, and how these RS damage the proteins, lipids, and DNA. Given the widespread importance of RS in avian viral diseases, oxidative stress pathways are of utmost importance for targeted therapeutics. Therefore, a special focus is provided on avian virus-mediated oxidative stresses. Finally, future research perspectives are discussed on the exploitation of these pathways to treat viral diseases of poultry.
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Hasenan SM, Karsani SA, Jubri Z. Modulation of age related protein expression changes by gelam honey in cardiac mitochondrial rats. Exp Gerontol 2018; 113:1-9. [PMID: 30248357 DOI: 10.1016/j.exger.2018.09.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 09/04/2018] [Accepted: 09/06/2018] [Indexed: 12/14/2022]
Abstract
Aging is characterized by progressive decline in biochemical and physiological functions. According to the free radical theory of aging, aging results from oxidative damage due to the accumulation of excess reactive oxygen species (ROS). Mitochondria are the main source of ROS production and are also the main target for ROS. Therefore, a diet high in antioxidant such as honey is potentially able to protect the body from ROS and oxidative damage. Gelam honey is higher in flavonoid content and phenolic compounds compared to other local honey. This study was conducted to determine the effects of gelam honey on age related protein expression changes in cardiac mitochondrial rat. A total of 24 Sprague-Dawley male rats were divided into two groups: the young group (2 months old), and aged group (19 months old). Each group were then subdivided into two groups: control group (force-fed with distilled water), and treatment group (force-fed with gelam honey, 2.5 g/kg), and were treated for 8 months. Comparative proteomic analysis of mitochondria from cardiac tissue was then performed by high performance mass spectrometry (Q-TOF LCMS/MS) followed by validation of selected proteins by Western blotting. Proteins were identified using Spectrum Mill software and were subjected to stringent statistical analysis. A total of 286 proteins were identified in the young control group (YC) and 241 proteins were identified in the young gelam group (YG). In the aged group, a total of 243 proteins were identified in control group (OC), and 271 proteins in gelam group (OG). Comparative proteome profiling identified 69 proteins with different abundance (p < 0.05) in OC when compared to YC, and also in YG when compared to YC. On the other hand, 55 proteins were found to be different in abundance when comparing OG with OC. In the aged group, gelam honey supplementation affected the relative abundance of 52 proteins with most of these proteins showing a decrease in the control group. Bioinformatics analysis showed that the majority of the affected proteins were involved in the respiratory chain (OXPHOS) which play an important role in maintaining mitochondrial function.
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Affiliation(s)
- Siti Maisarah Hasenan
- Department of Biochemistry, Medical Centre of National University of Malaysia, Jalan Yaacob Latif, Bandar Tun Razak, 56000, Cheras, Kuala Lumpur, Malaysia
| | - Saiful Anuar Karsani
- Institute of Biological Sciences, Faculty of Science, University of Malaya and University of Malaya Centre for Proteomics Research (UMCPR), Kuala Lumpur, Malaysia.
| | - Zakiah Jubri
- Department of Biochemistry, Medical Centre of National University of Malaysia, Jalan Yaacob Latif, Bandar Tun Razak, 56000, Cheras, Kuala Lumpur, Malaysia.
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Garg G, Singh S, Singh AK, Rizvi SI. N-acetyl-l-cysteine attenuates oxidative damage and neurodegeneration in rat brain during aging. Can J Physiol Pharmacol 2018; 96:1189-1196. [PMID: 30107137 DOI: 10.1139/cjpp-2018-0209] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
N-acetyl-l-cysteine (NAC) is a precursor of cysteine, which is known to increase the level of glutathione (GSH) in the brain. Several neurodegenerative changes linked to oxidative stress take place in the aging brain. This study aimed to assess the neuroprotective effect of NAC supplementation on age-dependent neurodegeneration in the rat brain. Young (4 months) and old (24 months) Wistar rats (n = 6 rats/group) were supplemented with NAC (100 mg/kg b.w. orally) for 14 days. Enzymatic and nonenzymatic antioxidants such as superoxide dismutase and catalase, and GSH and total thiol respectively, prooxidants such as protein carbonyl, advanced oxidation protein products, reactive oxygen species, and malondialdehyde were assessed in the brain homogenates. Furthermore, nitric oxide level, acetylcholinesterase activity, and Na+/K+-ATPase activity were measured and gene expression studies were also performed. The results indicated that NAC augmented the level of enzymatic and nonenzymatic antioxidants with a significant reduction in prooxidant levels in old rats. NAC supplementation also downregulated the expression of inflammatory markers (TNF-α, IL-1β, IL-6) and upregulated the expression of marker genes associated with aging (sirtuin-1) and neurodegeneration (neuron-specific enolase, neuroglobin, synapsin-I, myelin basic protein 2) in old rats. The present findings support a neuroprotective role of NAC which has therapeutic implication in controlling age-related neurological disorders.
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Affiliation(s)
- Geetika Garg
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India.,Department of Biochemistry, University of Allahabad, Allahabad-211002, India
| | - Sandeep Singh
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India.,Department of Biochemistry, University of Allahabad, Allahabad-211002, India
| | - Abhishek Kumar Singh
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India.,Department of Biochemistry, University of Allahabad, Allahabad-211002, India
| | - Syed Ibrahim Rizvi
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India.,Department of Biochemistry, University of Allahabad, Allahabad-211002, India
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The Role of Na/K-ATPase Signaling in Oxidative Stress Related to Aging: Implications in Obesity and Cardiovascular Disease. Int J Mol Sci 2018; 19:ijms19072139. [PMID: 30041449 PMCID: PMC6073138 DOI: 10.3390/ijms19072139] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 07/19/2018] [Accepted: 07/21/2018] [Indexed: 12/12/2022] Open
Abstract
Aging has been associated with a series of pathophysiological processes causing general decline in the overall health of the afflicted population. The cumulative line of evidence suggests an important role of oxidative stress in the development and progression of the aging process and metabolic abnormalities, exacerbating adipocyte dysfunction, cardiovascular diseases, and associated complications at the same time. In recent years, robust have established the implication of Na/K-ATPase signaling in causing oxidative stress and alterations in cellular mechanisms, in addition to its distinct pumping function. Understanding the underlying molecular mechanisms and exploring the possible sources of pro-oxidants may allow for developing therapeutic targets in these processes and formulate novel intervention strategies for patients susceptible to aging and associated complications, such as obesity and cardiovascular disease. The attenuation of oxidative stress with targeted treatment options can improve patient outcomes and significantly reduce economic burden.
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Garg G, Singh S, Singh AK, Rizvi SI. Whey protein concentrate supplementation protects rat brain against aging-induced oxidative stress and neurodegeneration. Appl Physiol Nutr Metab 2018; 43:437-444. [DOI: 10.1139/apnm-2017-0578] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Whey protein concentrate (WPC) is a rich source of sulfur-containing amino acids and is consumed as a functional food, incorporating a wide range of nutritional attributes. The purpose of this study is to evaluate the neuroprotective effect of WPC on rat brain during aging. Young (4 months) and old (24 months) male Wistar rats were supplemented with WPC (300 mg/kg body weight) for 28 days. Biomarkers of oxidative stress and antioxidant capacity in terms of ferric reducing antioxidant potential (FRAP), lipid hydroperoxide (LHP), total thiol (T-SH), protein carbonyl (PC), reactive oxygen species (ROS), nitric oxide (NO), and acetylcholinesterase (AChE) activity were measured in brain of control and experimental (WPC supplemented) groups. In addition, gene expression and histopathological studies were also performed. The results indicate that WPC augmented the level of FRAP, T-SH, and AChE in old rats as compared with the old control. Furthermore, WPC-treated groups exhibited significant reduction in LHP, PC, ROS, and NO levels in aged rats. WPC supplementation also downregulated the expression of inflammatory markers (tumor necrosis factor alpha, interleukin (IL)-1β, IL-6), and upregulated the expression of marker genes associated with autophagy (Atg3, Beclin-1, LC3B) and neurodegeneration (neuron specific enolase, Synapsin-I, MBP-2). The findings suggested WPC to be a potential functional nutritional food supplement that prevents the progression of age-related oxidative damage in Wistar rats.
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Affiliation(s)
- Geetika Garg
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India
| | - Sandeep Singh
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India
| | - Abhishek Kumar Singh
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India
| | - Syed Ibrahim Rizvi
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India
- Department of Biochemistry, University of Allahabad, Allahabad-211002, India
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Manning MC, Liu J, Li T, Holcomb RE. Rational Design of Liquid Formulations of Proteins. THERAPEUTIC PROTEINS AND PEPTIDES 2018; 112:1-59. [DOI: 10.1016/bs.apcsb.2018.01.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Dietary Modulation of Oxidative Stress in Alzheimer's Disease. Int J Mol Sci 2017; 18:ijms18071583. [PMID: 28753984 PMCID: PMC5536070 DOI: 10.3390/ijms18071583] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 07/03/2017] [Accepted: 07/12/2017] [Indexed: 02/07/2023] Open
Abstract
Cells generate unpaired electrons, typically via oxygen- or nitrogen-based by-products during normal cellular respiration and under stressed situations. These pro-oxidant molecules are highly unstable and may oxidize surrounding cellular macromolecules. Under normal conditions, the reactive oxygen or nitrogen species can be beneficial to cell survival and function by destroying and degrading pathogens or antigens. However, excessive generation and accumulation of the reactive pro-oxidant species over time can damage proteins, lipids, carbohydrates, and nucleic acids. Over time, this oxidative stress can contribute to a range of aging-related degenerative diseases such as cancer, diabetes, macular degeneration, and Alzheimer’s, and Parkinson’s diseases. It is well accepted that natural compounds, including vitamins A, C, and E, β-carotene, and minerals found in fruits and vegetables are powerful anti-oxidants that offer health benefits against several different oxidative stress induced degenerative diseases, including Alzheimer’s disease (AD). There is increasing interest in developing anti-oxidative therapeutics to prevent AD. There are contradictory and inconsistent reports on the possible benefits of anti-oxidative supplements; however, fruits and vegetables enriched with multiple anti-oxidants (e.g., flavonoids and polyphenols) and minerals may be highly effective in attenuating the harmful effects of oxidative stress. As the physiological activation of either protective or destructive pro-oxidant behavior remains relatively unclear, it is not straightforward to relate the efficacy of dietary anti-oxidants in disease prevention. Here, we review oxidative stress mediated toxicity associated with AD and highlight the modulatory roles of natural dietary anti-oxidants in preventing AD.
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Cai S, Ichimaru N, Zhao M, Fujino M, Ito H, Ota U, Nakajima M, Tanaka T, Nonomura N, Li XK, Takahara S. Prolonged Mouse Cardiac Graft Cold Storage via Attenuating Ischemia-Reperfusion Injury Using a New Antioxidant-Based Preservation Solution. Transplantation 2017; 100:1032-40. [PMID: 26845308 DOI: 10.1097/tp.0000000000001079] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND One of the major events in ischemia-reperfusion (I/R)-induced heart injury in cardiac transplantation is the generation of reactive oxygen species. We hypothesized that a novel preservation solution called SBI-SEIIKU II (SS-II) contains 3 antioxidant reagents: L-cysteine, glycine, ascorbic acid/ascorbic acid-2-phosphate magnesium, which can block the generation of reactive oxygen species to result in a prolongation of the cold storage time via attenuating I/R injury. METHODS C57BL/6CrSlc(B6) mice underwent syngeneic mice heterotopic heart transplantation, and the animals were derived into 3 groups: recipients with nonpreserved grafts (control group), recipients with grafts preserved in histidine-tryptophan-ketoglutarate (HTK) for 24 and 48 hours (HTK group), and recipients with grafts preserved in SS-II for 24 and 48 hours (SS-II group). RESULTS After 48 hours of preservation, there were no grafts that survived in the HTK group; however, the SS-II group had a high survival rate. After 24 hours of preservation, SS-II decreased the oxidative damage, myocardial apoptosis, and the infiltration of macrophages and neutrophils in the cardiac grafts in the early phase and suppressed the development of myocardial fibrosis in long-term grafts compared with HTK. CONCLUSIONS The SS-II prolongs the acceptable cold storage time and protects the myocardium from I/R injury via inhibiting oxidative stress-associated damage. We believe that this novel preservation solution may be simple and safe for use in the clinical transplantation field.
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Affiliation(s)
- Songjie Cai
- 1 Division of Transplantation Immunology, National Research Institute for Child Health and Development, Tokyo, Japan. 2 Department of Advanced Technology for Transplantation, Osaka University Graduate School of Medicine, Osaka, Japan. 3 AIDS Research Center, National Institute of Infectious Diseases, Tokyo, Japan. 4 SBI Pharmaceuticals Co., Ltd., Tokyo, Japan. 5 Department of Urology, Osaka University Graduate School of Medicine, Osaka, Japan
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Nakamura A, Itaki C, Saito A, Yonezawa T, Aizawa K, Hirai A, Suganuma H, Miura T, Mariya Y, Haghdoost S. Possible benefits of tomato juice consumption: a pilot study on irradiated human lymphocytes from healthy donors. Nutr J 2017; 16:27. [PMID: 28494764 PMCID: PMC5427617 DOI: 10.1186/s12937-017-0248-3] [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: 08/22/2016] [Accepted: 05/01/2017] [Indexed: 12/11/2022] Open
Abstract
Background Reactive oxygen species (ROS) mediate much of the DNA damage caused by ionizing radiation. Among carotenoids, lycopene and β-carotene, present in tomato juice, are known to be strong radical scavengers. The aim of the study was to investigate the effect of tomato juice intake on the levels of DNA damage and oxidative stress in human whole blood induced by in vitro exposure to X-rays. Methods Ten healthy adults were asked to drink 190 g of tomato juice, containing 17 mg lycopene and 0.25 mg β-carotene, per day for 3 weeks and then refrain from drinking it for 3 weeks. Peripheral whole blood samples were collected before and after the intake period of tomato juice and after the washout period. The blood samples were exposed in vitro to X-ray doses of 0, 0.1, 0.5, and 2 Gy. Cytogenetic damage was measured using the cytokinesis-block micronucleus (CBMN) assay and the dicentrics (DIC) assay. The level of oxidative stress was determined using serum 8-oxo-7, 8-dihydro-2-deoxyguanosine (8-oxo-dG) and plasma reactive oxygen metabolite-derived compounds (d-ROMs). The concentration of carotenoids in plasma was measured at the three time points. Results The levels of 8-oxo-dG tended to decrease during the intake period and increase during the washout period. A non-significant inverse correlation was noted between the plasma concentration of lycopene plus β-carotene and the level of 8-oxo-dG (P = 0.064). The radiation-induced MN and DIC frequencies increased in a dose-dependent manner, and when compared at the same dose, the MN and DIC frequencies decreased during the intake period compared with those at baseline and then increased during the washout period. The results suggest that continuous tomato juice consumption non-significantly decreases extracellular 8-oxo-dG, d-ROMs, and MN. Tomato juice intake had minimal or no effect on radiation-induced 8-oxo-dG and d-ROMs. For most radiation doses, continuously tomato juice intake lowered the levels of MN and DIC. Conclusion Tomato juice consumption may suppress human lymphocyte DNA damage caused by radiation, but further examination is required. Trial registration 2014-001 and 2014-R06.
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Affiliation(s)
- Ayumi Nakamura
- Department of Radiological Life Sciences, Division of Medical Life Sciences, Hirosaki University Graduate School of Health Sciences, Aomori, 036-8564, Japan
| | - Chieko Itaki
- Department of Disability and Health, Division of Medical Life Sciences, Hirosaki University Graduate School of Health Sciences, Aomori, 036-8564, Japan
| | - Ayako Saito
- Department of Clinical Laboratory Medicine, Hirosaki Central Hospital, Aomori, 036-8188, Japan
| | - Toko Yonezawa
- Department of Clinical Laboratory Medicine, Hirosaki Central Hospital, Aomori, 036-8188, Japan
| | - Koichi Aizawa
- Nature and Wellness Research Department, Innovation Division, KAGOME CO., LTD., Tochigi, 329-2762, Japan
| | - Ayumi Hirai
- Nature and Wellness Research Department, Innovation Division, KAGOME CO., LTD., Tochigi, 329-2762, Japan
| | - Hiroyuki Suganuma
- Nature and Wellness Research Department, Innovation Division, KAGOME CO., LTD., Tochigi, 329-2762, Japan
| | - Tomisato Miura
- Department of Pathologic Analysis, Division of Medical Life Sciences, Hirosaki University Graduate School of Health Sciences, Aomori, 036-8564, Japan
| | - Yasushi Mariya
- Department of Radiological Life Sciences, Division of Medical Life Sciences, Hirosaki University Graduate School of Health Sciences, Aomori, 036-8564, Japan.
| | - Siamak Haghdoost
- Center for Radiation Protection Research, Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, SE-106 91, Sweden
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Almogbel E, Rasheed N. Protein Mediated Oxidative Stress in Patients with Diabetes and its Associated Neuropathy: Correlation with Protein Carbonylation and Disease Activity Markers. J Clin Diagn Res 2017; 11:BC21-BC25. [PMID: 28384853 DOI: 10.7860/jcdr/2017/23789.9417] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Accepted: 10/29/2016] [Indexed: 12/23/2022]
Abstract
INTRODUCTION Free radicals have been implicated as Diabetes Mellitus (DM) contributors in type 2 DM and its associated Diabetes Mellitus Neuropathy (DMN). However, the potential for protein mediated oxidative stress to contribute disease pathogenesis remains largely unexplored. AIM To investigate the status and contribution of protein mediated oxidative stress in patients with DM or DMN and to explore whether oxidative protein modification has a role in DM progression to DM associated neuropathy. MATERIALS AND METHODS Sera from 42 DM and 37 DMN patients with varying levels of disease activities biomarkers (HbA1C, patients' age or disease duration) and 21 age- and sex-matched healthy controls were evaluated for serum levels of protein mediated oxidative stress. RESULTS Serum analysis showed significantly higher levels of protein carbonyl contents in both DM and DMN patients compared with healthy controls. Importantly, not only was there an increased number of subjects positive for protein carbonylation, but also the levels of protein carbonyl contents were significantly higher among DM and DMN patients, whose HbA1C were ≥8.8 as compared with patients with lower HbA1C (HbA1C<8.8). Similar pattern of protein carbonyls formation was also observed with patients' ages or with patient's disease durations, suggesting a possible relationship between protein oxidation and disease progression. Furthermore, sera from DMN patients had higher levels of protein carbonylation compared with non-neuropathic DM patients' sera, suggesting an involvement of protein oxidation in the progression of diabetes to diabetes neuropathy. CONCLUSION These findings support an association between protein oxidation and DM or DMN progression. The stronger response observed in patients with higher HbA1C or patients' ages or disease durations suggests, that protein mediated oxidative stress may be useful in evaluating the progression of DM and its associated DMN and in elucidating the mechanisms of these disorders pathogenesis.
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Affiliation(s)
- Ebtehal Almogbel
- Assistant Professor, Department of Family Medicine, College of Medicine, Qassim University , Buraidah, KSA
| | - Naila Rasheed
- Specialist Doctor, Department of Medical Biochemistry, College of Medicine, Qassim University , Buraidah, KSA
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DeBalsi KL, Hoff KE, Copeland WC. Role of the mitochondrial DNA replication machinery in mitochondrial DNA mutagenesis, aging and age-related diseases. Ageing Res Rev 2017; 33:89-104. [PMID: 27143693 DOI: 10.1016/j.arr.2016.04.006] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 04/19/2016] [Accepted: 04/19/2016] [Indexed: 12/19/2022]
Abstract
As regulators of bioenergetics in the cell and the primary source of endogenous reactive oxygen species (ROS), dysfunctional mitochondria have been implicated for decades in the process of aging and age-related diseases. Mitochondrial DNA (mtDNA) is replicated and repaired by nuclear-encoded mtDNA polymerase γ (Pol γ) and several other associated proteins, which compose the mtDNA replication machinery. Here, we review evidence that errors caused by this replication machinery and failure to repair these mtDNA errors results in mtDNA mutations. Clonal expansion of mtDNA mutations results in mitochondrial dysfunction, such as decreased electron transport chain (ETC) enzyme activity and impaired cellular respiration. We address the literature that mitochondrial dysfunction, in conjunction with altered mitochondrial dynamics, is a major driving force behind aging and age-related diseases. Additionally, interventions to improve mitochondrial function and attenuate the symptoms of aging are examined.
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Affiliation(s)
- Karen L DeBalsi
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA
| | - Kirsten E Hoff
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA
| | - William C Copeland
- Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA.
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Parker L, Shaw CS, Stepto NK, Levinger I. Exercise and Glycemic Control: Focus on Redox Homeostasis and Redox-Sensitive Protein Signaling. Front Endocrinol (Lausanne) 2017; 8:87. [PMID: 28529499 PMCID: PMC5418238 DOI: 10.3389/fendo.2017.00087] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 04/04/2017] [Indexed: 12/16/2022] Open
Abstract
Physical inactivity, excess energy consumption, and obesity are associated with elevated systemic oxidative stress and the sustained activation of redox-sensitive stress-activated protein kinase (SAPK) and mitogen-activated protein kinase signaling pathways. Sustained SAPK activation leads to aberrant insulin signaling, impaired glycemic control, and the development and progression of cardiometabolic disease. Paradoxically, acute exercise transiently increases oxidative stress and SAPK signaling, yet postexercise glycemic control and skeletal muscle function are enhanced. Furthermore, regular exercise leads to the upregulation of antioxidant defense, which likely assists in the mitigation of chronic oxidative stress-associated disease. In this review, we explore the complex spatiotemporal interplay between exercise, oxidative stress, and glycemic control, and highlight exercise-induced reactive oxygen species and redox-sensitive protein signaling as important regulators of glucose homeostasis.
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Affiliation(s)
- Lewan Parker
- Institute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria University, Melbourne, VIC, Australia
- *Correspondence: Lewan Parker, ,
| | - Christopher S. Shaw
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, Australia
| | - Nigel K. Stepto
- Institute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria University, Melbourne, VIC, Australia
- Monash Centre for Health Research and Implementation, School of Public Health and Preventative Medicine, Monash University, Clayton, VIC, Australia
- Australian Institute for Musculoskeletal Science (AIMSS), Victoria University and Western Health, St. Albans, VIC, Australia
| | - Itamar Levinger
- Institute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria University, Melbourne, VIC, Australia
- Australian Institute for Musculoskeletal Science (AIMSS), Victoria University and Western Health, St. Albans, VIC, Australia
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Kumar N, Maurya PK, Kant R, Rizvi SI. (-)-Epicatechin in vitro ameliorates erythrocyte protein carbonyl content in hypertensive patients: comparison with L-ascorbic acid. Arch Physiol Biochem 2016; 122:155-60. [PMID: 26939969 DOI: 10.3109/13813455.2016.1159699] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
CONTEXT Oxidative stress plays a key role in the patho-physiology of hypertension. (-)-Epicatechin has many important biological properties. OBJECTIVE The present study was undertaken to evaluate effect of (-)-epicatechin on protein carbonyl content in gender-based hypertensive patients and normal subjects. METHODS The study was carried out on 83 normal (male: 42; female: 41) and 62 hypertensive subjects (male: 32; female: 30). In vitro effect on (-)-epicatechin and L-ascorbic acid was estimated on protein carbonyl content. RESULTS Result showed a significant (p < 0.001) increase in protein carbonyl content in hypertensive patients but no gender-based difference was observed. (-)-epicatechin shows significant (p < 0.001) dose-dependent effect as compared to L-ascorbic acid, which is manifested as decrease in protein carbonyl content. CONCLUSION We hypothesizes that a higher intake of (-)-epicatechin may provide protection against hypertension in males and females.
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Affiliation(s)
- Navneet Kumar
- a School of Medicine, College of Medicine and Health Sciences, Wollo University , Dessie , Ethiopia
- b Department of Biochemistry , University of Allahabad , Allahabad , Uttar Pradesh , India
| | - Pawan Kumar Maurya
- c Interdisciplinary Laboratory of Clinical Neuroscience (LiNC), Department of Psychiatry, Federal University of São Paulo , São Paulo , Brazil
- d Amity Institute of Biotechnology, Amity University , Noida , Uttar Pradesh , India , and
| | - Ruchi Kant
- e Department of Chemistry , College of Natural Science, Wollo University , Dessie , Ethiopia
| | - Syed Ibrahim Rizvi
- b Department of Biochemistry , University of Allahabad , Allahabad , Uttar Pradesh , India
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Zheng H, Wu J, Jin Z, Yan LJ. Protein Modifications as Manifestations of Hyperglycemic Glucotoxicity in Diabetes and Its Complications. BIOCHEMISTRY INSIGHTS 2016; 9:1-9. [PMID: 27042090 PMCID: PMC4807886 DOI: 10.4137/bci.s36141] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 02/25/2016] [Accepted: 02/27/2016] [Indexed: 02/07/2023]
Abstract
Diabetes and its complications are hyperglycemic toxicity diseases. Many metabolic pathways in this array of diseases become aberrant, which is accompanied with a variety of posttranslational protein modifications that in turn reflect diabetic glucotoxicity. In this review, we summarize some of the most widely studied protein modifications in diabetes and its complications. These modifications include glycation, carbonylation, nitration, cysteine S-nitrosylation, acetylation, sumoylation, ADP-ribosylation, O-GlcNAcylation, and succination. All these posttranslational modifications can be significantly attributed to oxidative stress and/or carbon stress induced by diabetic redox imbalance that is driven by activation of pathways, such as the polyol pathway and the ADP-ribosylation pathway. Exploring the nature of these modifications should facilitate our understanding of the pathological mechanisms of diabetes and its associated complications.
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Affiliation(s)
- Hong Zheng
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, UNT Health Science Center, Fort Worth, TX, USA.; Department of Basic Theory of Traditional Chinese Medicine, College of Basic Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Jinzi Wu
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, UNT Health Science Center, Fort Worth, TX, USA
| | - Zhen Jin
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, UNT Health Science Center, Fort Worth, TX, USA
| | - Liang-Jun Yan
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, UNT Health Science Center, Fort Worth, TX, USA
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Dattilo S, Mancuso C, Koverech G, Di Mauro P, Ontario ML, Petralia CC, Petralia A, Maiolino L, Serra A, Calabrese EJ, Calabrese V. Heat shock proteins and hormesis in the diagnosis and treatment of neurodegenerative diseases. Immun Ageing 2015; 12:20. [PMID: 26543490 PMCID: PMC4634585 DOI: 10.1186/s12979-015-0046-8] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Accepted: 10/15/2015] [Indexed: 12/16/2022]
Abstract
Modulation of endogenous cellular defense mechanisms via the vitagene system represents an innovative approach to therapeutic intervention in diseases causing chronic tissue damage, such as in neurodegeneration. The possibility of high-throughoutput screening using proteomic techniques, particularly redox proteomics, provide more comprehensive overview of the interaction of proteins, as well as the interplay among processes involved in neuroprotection. Here by introducing the hormetic dose response concept, the mechanistic foundations and applications to the field of neuroprotection, we discuss the emerging role of heat shock protein as prominent member of vitagene network in neuroprotection and redox proteomics as a tool for investigating redox modulation of stress responsive vitagenes. Hormetic mechanisms are reviewed as possibility of targeted therapeutic manipulation in a cell-, tissue- and/or pathway-specific manner at appropriate points in the neurodegenerative disease process.
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Affiliation(s)
- Sandro Dattilo
- />Department of Biomedical and Biotechnological Sciences, University of Catania, Via Andrea Doria, 95100 Catania, Italy
| | - Cesare Mancuso
- />Institute of Pharmacology, Catholic University School of Medicine, Rome, Italy
| | - Guido Koverech
- />Department of Biomedical and Biotechnological Sciences, University of Catania, Via Andrea Doria, 95100 Catania, Italy
| | - Paola Di Mauro
- />Department of Medical and Surgery Specialties, University of Catania, Catania, Italy
| | - Maria Laura Ontario
- />Department of Biomedical and Biotechnological Sciences, University of Catania, Via Andrea Doria, 95100 Catania, Italy
| | | | - Antonino Petralia
- />Department of Clinical and Experimental Medicine, School of Medicine, University of Catania, Catania, Italy
| | - Luigi Maiolino
- />Department of Medical and Surgery Specialties, University of Catania, Catania, Italy
| | - Agostino Serra
- />Department of Medical and Surgery Specialties, University of Catania, Catania, Italy
| | - Edward J. Calabrese
- />Environmental Health Sciences Division, School of Public Health, University of Massachusetts, Amherst, MA USA
| | - Vittorio Calabrese
- />Department of Biomedical and Biotechnological Sciences, University of Catania, Via Andrea Doria, 95100 Catania, Italy
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Icreverzi A, Cruz AFA, Walker DW, Edgar BA. Changes in neuronal CycD/Cdk4 activity affect aging, neurodegeneration, and oxidative stress. Aging Cell 2015. [PMID: 26219626 PMCID: PMC4568977 DOI: 10.1111/acel.12376] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Mitochondrial dysfunction has been implicated in human diseases, including cancer, and proposed to accelerate aging. The Drosophila Cyclin-dependent protein kinase complex cyclin D/cyclin-dependent kinase 4 (CycD/Cdk4) promotes cellular growth by stimulating mitochondrial biogenesis. Here, we examine the neurodegenerative and aging consequences of altering CycD/Cdk4 function in Drosophila. We show that pan-neuronal loss or gain of CycD/Cdk4 increases mitochondrial superoxide, oxidative stress markers, and neurodegeneration and decreases lifespan. We find that RNAi-mediated depletion of the mitochondrial transcription factor, Tfam, can abrogate CycD/Cdk4's detrimental effects on both lifespan and neurodegeneration. This indicates that CycD/Cdk4's pathological consequences are mediated through altered mitochondrial function and a concomitant increase in reactive oxygen species. In support of this, we demonstrate that CycD/Cdk4 activity levels in the brain affect the expression of a set of 'oxidative stress' genes. Our results indicate that the precise regulation of neuronal CycD/Cdk4 activity is important to limit mitochondrial reactive oxygen species production and prevent neurodegeneration.
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Affiliation(s)
- Amalia Icreverzi
- Department of Integrative Biology and Physiology University of California Los Angeles Los Angeles CA 90095 USA
| | - Aida Flor A. Cruz
- Basic Science Division Fred Hutchinson Cancer Research Center Seattle WA 98109 USA
| | - David W. Walker
- Department of Integrative Biology and Physiology University of California Los Angeles Los Angeles CA 90095 USA
| | - Bruce A. Edgar
- German Cancer Research Center (DKFZ) & Center for Molecular Biology Heidelberg (ZMBH) Im Neuenheimer Feld 282 D‐69120 Heidelberg Germany
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Hovsepyan LM, Zakaryan GV, Melkonyan MM, Zakaryan AV. [The effects of taurine on oxidative processes in brain edema]. Zh Nevrol Psikhiatr Im S S Korsakova 2015; 115:64-67. [PMID: 26356163 DOI: 10.17116/jnevro20151155164-67] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
AIM To investigate the free radical oxidation of lipids, oxidative modification of protein activity of glutathione peroxidase and glutathione reductase as well as the end product of nitric oxide - nitrite in the brain mitochondrial fraction of animals with experimentally induced cerebral edema and in treatment with taurine. MATERIAL AND METHODS Toxic brain edema was induced in rats with intraperitoneal injection of tetra-ethyl lead (10 mg per kg of animal weight). The intensity of peroxidation was evaluated by hydroperoxide and malonic aldehyde contents. RESULTS An analysis of the levels of oxidative modification of proteins revealed that brain edema was characterized by increased levels of oxidative modification of proteins and lipids, nitrogen oxide, reduced glutathione content and decrease in the activity of enzymes containing glutathione (glutathione peroxidase and glutathione reductase). CONCLUSION On this basis, we suggested that drugs increasing glutathione content and activating enzymes containing glutathione, for example taurine, could be used as medications. The introduction of taurine in dose of 50 mg/kg during 5 days led to the reduction of lipid peroxidation products, normalization of oxidative modification of proteins in the mitochondrial fraction of the rats with experimental cerebral edema.
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Affiliation(s)
- L M Hovsepyan
- Institute of Molecular Biology, Armenian National Academy of Sciences, Yerevan, Armenia
| | - G V Zakaryan
- Institute of Molecular Biology, Armenian National Academy of Sciences, Yerevan, Armenia
| | - M M Melkonyan
- Institute of Molecular Biology, Armenian National Academy of Sciences, Yerevan, Armenia
| | - A V Zakaryan
- Institute of Molecular Biology, Armenian National Academy of Sciences, Yerevan, Armenia
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Chik WI, Zhu L, Fan LL, Yi T, Zhu GY, Gou XJ, Tang YN, Xu J, Yeung WP, Zhao ZZ, Yu ZL, Chen HB. Saussurea involucrata: A review of the botany, phytochemistry and ethnopharmacology of a rare traditional herbal medicine. JOURNAL OF ETHNOPHARMACOLOGY 2015; 172:44-60. [PMID: 26113182 DOI: 10.1016/j.jep.2015.06.033] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 06/16/2015] [Accepted: 06/18/2015] [Indexed: 06/04/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Saussurea involucrata Matsum. & Koidz. is an endangered species of the Asteraceae family, growing in the high mountains of central Asia. It has been, and is, widely used in traditional Uyghur, Mongolian and Kazakhstan medicine as well as in Traditional Chinese Medicine as Tianshan Snow Lotus (Chinese: ). In traditional medical theory, S. involucrata can promote blood circulation, thereby alleviating all symptoms associated with poor circulation. It also reputedly eliminates cold and dampness from the body, diminishes inflammation, invigorates, and strengthens Yin and Yang. It has long been used to treat rheumatoid arthritis, cough with cold, stomach ache, dysmenorrhea, and altitude sickness in Uyghur and Chinese medicine. AIM OF THE REVIEW To comprehensively summarize the miscellaneous research that has been done regarding the botany, ethnopharmacology, phytochemistry, biological activity, and toxicology of S. involucrata. METHOD An extensive review of the literature was carried out. Apart from different electronic databases including SciFinder, Chinese National Knowledge Infrastructure (CNKI), ScienceDirect that were sourced for information, abstracts, full-text articles and books written in English and Chinese, including those traditional records tracing back to the Qing Dynasty. Pharmacopoeia of China and other local herbal records in Uighur, Mongolian and Kazakhstan ethnomedicines were investigated and compared for pertinent information. RESULTS The phytochemistry of S. involucrata has been comprehensively investigated. More than 70 compounds have been isolated and identified; they include phenylpropanoids, flavonoids, coumarins, lignans, sesquiterpenes, steroids, ceramides, polysaccharides. Scientific studies on the biological activity of S. involucrata are equally numerous. The herb has been shown to have anti-neoplastic, anti-inflammatory, analgesic, anti-oxidative, anti-fatigue, anti-aging, anti-hypoxic, neuroprotective and immunomodulating effects. Many have shown correlations to the traditional clinical applications in Traditional Chinese Medicine and medicines. The possible mechanisms of S. involucrata in treating various cancers are revealed in the article, these include inhibition of cancer cells by affecting their growth, adhesion, migration, aggregation and invasion, inhibition of epidermal growth factor receptor signaling in cancer cells, hindrance of cancer cell proliferation, causing cytotoxicity to cancer cells and promoting expression of tumor suppressor genes. Dosage efficacy is found to be generally concentration- and time-dependent. However, studies on the correlation between particular chemical constituents and specific bioactivities are limited. CONCLUSION In this review, we have documented the existing traditional uses of S. involucrata and summarized recent research into the phytochemistry and pharmacology of S. involucrata. Many of the traditional uses have been validated by phytochemical and modern pharmacological studies but there are still some areas where the current knowledge could be improved. Although studies have confirmed that S. involucrata has a broad range of bioactivities, further in-depth studies on the exact bioactive molecules and the mechanism of action are expected. Whether we should use this herb independently or in combination deserves to be clarified. The exact quality control as well as the toxicology studies is necessary to guarantee the stability and safety of the clinic use. The sustainable use of this endangered resource was also addressed. In conclusion, this review was anticipated to highlight the importance of S. involucrata and provides some directions for the future development of this plant.
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Affiliation(s)
- Wai-I Chik
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong Special Administrative Region, China
| | - Lin Zhu
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong Special Administrative Region, China
| | - Lan-Lan Fan
- Guangxi Botanical Garden of Medicinal Plant, Nanning, Guangxi 530023, China
| | - Tao Yi
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong Special Administrative Region, China.
| | - Guo-Yuan Zhu
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Xiao-Jun Gou
- Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610051, China
| | - Yi-Na Tang
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong Special Administrative Region, China
| | - Jun Xu
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong Special Administrative Region, China
| | - Wing-Ping Yeung
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong Special Administrative Region, China
| | - Zhong-Zhen Zhao
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong Special Administrative Region, China
| | - Zhi-Ling Yu
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong Special Administrative Region, China
| | - Hu-Biao Chen
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong Special Administrative Region, China.
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Sikulu MT, Monkman J, Dave KA, Hastie ML, Dale PE, Kitching RL, Killeen GF, Kay BH, Gorman JJ, Hugo LE. Proteomic changes occurring in the malaria mosquitoes Anopheles gambiae and Anopheles stephensi during aging. J Proteomics 2015; 126:234-44. [PMID: 26100052 DOI: 10.1016/j.jprot.2015.06.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 05/14/2015] [Accepted: 06/13/2015] [Indexed: 11/19/2022]
Abstract
UNLABELLED The age of mosquitoes is a crucial determinant of their ability to transmit pathogens and their resistance to insecticides. We investigated changes to the abundance of proteins found in heads and thoraces of the malaria mosquitoes Anopheles gambiae and Anopheles stephensi as they aged. Protein expression changes were assessed using two-dimensional difference gel electrophoresis and the identity of differentially expressed proteins was determined by using either matrix-assisted laser desorption ionization tandem time-of-flight mass spectrometry or capillary high-pressure liquid chromatography coupled with a linear ion-trap (LTQ)-Orbitrap XL hybrid mass spectrometer. Protein biomarkers were validated by semi quantitative Western blot analysis. Nineteen and nine age dependent protein spots were identified for A. stephensi and A. gambiae, respectively. Among the proteins down-regulated with age were homologs of ADF/Cofilin, cytochome c1, heat shock protein-70 and eukaryotic translation initiation factor 5A (eIF5a). Proteins up-regulated with age included probable methylmalonate-semialdehyde dehydrogenase, voltage-dependent anion-selective channel and fructose bisphosphate aldolase. Semi quantitative Western blot analysis confirmed expression patterns observed by 2-D DIGE for eIF5a and ADF/Cofilin. Further work is recommended to determine whether these biomarkers are robust to infection, blood feeding and insecticide resistance. Robust biomarkers could then be incorporated into rapid diagnostic assays for ecological and epidemiological studies. BIOLOGICAL SIGNIFICANCE In this study, we have identified several proteins with characteristic changes in abundance in both A. gambiae and A. stephensi during their aging process. These changes may highlight underlying mechanisms beneath the relationship between mosquito age and factors affecting Plasmodium transmission and mosquito control. The similarity of changes in protein abundance between these species and the primary dengue vector Aedes aegypti, has revealed conserved patterns of aging-specific protein regulation.
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Affiliation(s)
- Maggy T Sikulu
- Mosquito Control Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia.
| | - James Monkman
- Mosquito Control Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia.
| | - Keyur A Dave
- The Protein Discovery Centre, QIMR Berghofer Medical Research Institute, Brisbane, Australia.
| | - Marcus L Hastie
- The Protein Discovery Centre, QIMR Berghofer Medical Research Institute, Brisbane, Australia.
| | - Patricia E Dale
- Environmental Research Institute and Griffith School of Environment, Griffith University, Brisbane, Queensland, Australia.
| | - Roger L Kitching
- Environmental Research Institute and Griffith School of Environment, Griffith University, Brisbane, Queensland, Australia.
| | - Gerry F Killeen
- Environmental Health and Ecological Sciences Thematic Group, Ifakara Health Institute, Ifakara, United Republic of Tanzania; Vector Biology Department, Liverpool School of Tropical Medicine, Liverpool, United Kingdom.
| | - Brian H Kay
- Mosquito Control Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia.
| | - Jeffery J Gorman
- The Protein Discovery Centre, QIMR Berghofer Medical Research Institute, Brisbane, Australia.
| | - Leon E Hugo
- Mosquito Control Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia.
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Kim K, Compton PD, Toby TK, Thomas PM, Wilkins JT, Mutharasan RK, Kelleher NL. Reducing protein oxidation in low-flow electrospray enables deeper investigation of proteoforms by top down proteomics. EUPA OPEN PROTEOMICS 2015; 8:40-47. [PMID: 26753126 PMCID: PMC4704458 DOI: 10.1016/j.euprot.2015.05.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Enabling the implementation of top down proteomic techniques within clinical workflows requires a dramatic increase in sensitivity. It has been previously demonstrated that electrospray ionization (ESI) becomes more efficient with decreasing volumetric flow rates at the emitter. Therefore, narrow inner diameter (I.D.) columns used in front-end chromatographic separations yield increased sensitivity. However, the smaller cross-sectional area of a narrow I.D. column places a larger fraction of the eluent in fluid communication with the electrode within the high voltage union that facilitates electrospray ionization (ESI), leading to increased oxidation of solution-phase proteins. Oxidation of proteins alters their chemical state of the protein, complicates data analysis, and reduces the depth of proteome coverage attained in a typical top-down proteomics experiment. Excessive protein oxidation results in poor deconvolution and exact mass calculations from MS1 spectra, interferes with peak isolation for MS/MS fragmentation, and effectively reduces sensitivity by splitting ion current. All of these factors deteriorate top down mass spectral data quality, an effect that becomes more pronounced as column diameter decreases. Artificial protein oxidation can also mislead investigations of in vivo protein oxidation. All of these effects are accentuated in comparison to bottom up proteomics due to the increased probability of having oxidizable residues within a particular species with increasing mass. Herein, we describe a configuration (which we term "Low Protein Oxidation (LPOx)") for proteomics experiments created by re-arranging liquid chromatography (LC) plumbing and present its application to artificial protein oxidation and show a marked improvement in detection sensitivity. Using a standard mixture of five intact proteins, we demonstrate that the LPOx configuration reduces protein oxidation up to 90% using 50 μm I.D. columns when compared to a conventional LC plumbing configuration with 50 μm I.D. column. As a proof-of-concept study, at least 11 distinct proteoforms of serum Apolipoprotein A1 were detected with the LPOx configuration. This innovative LC configuration can be applied to the top down identification and characterization of proteoforms obscured by abundant artificial protein oxidation at low flowrates, all while using reduced amounts of valuable protein samples.
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Affiliation(s)
- Kyunggon Kim
- Departments of Chemistry, Molecular Biosciences and the Proteomics Center of Excellence, Northwestern University, 2145 N. Sheridan Road, Evanston, IL 60208, United States
| | - Philip D. Compton
- Departments of Chemistry, Molecular Biosciences and the Proteomics Center of Excellence, Northwestern University, 2145 N. Sheridan Road, Evanston, IL 60208, United States
| | - Timothy K. Toby
- Departments of Chemistry, Molecular Biosciences and the Proteomics Center of Excellence, Northwestern University, 2145 N. Sheridan Road, Evanston, IL 60208, United States
| | - Paul M. Thomas
- Departments of Chemistry, Molecular Biosciences and the Proteomics Center of Excellence, Northwestern University, 2145 N. Sheridan Road, Evanston, IL 60208, United States
| | - John T. Wilkins
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, 680 N. Lake Shore Drive., Chicago, IL 60611, United States
- Department of Medicine, Division of Cardiology, Northwestern University Feinberg School of Medicine, 676 N. Saint Clair Street, Chicago, IL 60611, United States
| | - R. Kannan Mutharasan
- Department of Medicine, Division of Cardiology, Northwestern University Feinberg School of Medicine, 676 N. Saint Clair Street, Chicago, IL 60611, United States
| | - Neil L. Kelleher
- Departments of Chemistry, Molecular Biosciences and the Proteomics Center of Excellence, Northwestern University, 2145 N. Sheridan Road, Evanston, IL 60208, United States
- Corresponding author. Tel.: +1 847 467 4362; fax: +1 847 467 3276. (N.L. Kelleher)
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Calabrese V, Dattilo S, Petralia A, Parenti R, Pennisi M, Koverech G, Calabrese V, Graziano A, Monte I, Maiolino L, Ferreri T, Calabrese EJ. Analytical approaches to the diagnosis and treatment of aging and aging-related disease: redox status and proteomics. Free Radic Res 2015; 49:511-24. [PMID: 25824967 DOI: 10.3109/10715762.2015.1020799] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Basal levels of oxidants are indispensible for redox signaling to produce adaptive cellular responses such as vitagenes linked to cell survival; however, at higher levels, they are detrimental to cells, contributing to aging and to the pathogenesis of numerous age-related diseases. Aging is a complex systemic process and the major gap in aging research reminds the insufficient knowledge about pathways shifting from normal "healthy" aging to disease-associated pathological aging. The major complication of normal "healthy" aging is in fact the increasing risk of age-related diseases such as cardiovascular diseases, diabetes mellitus, and neurodegenerative pathologies that can adversely affect the quality of life in general, with enhanced incidences of comorbidities and mortality. In this context, global "omics" approaches may help to dissect and fully study the cellular and molecular mechanisms of aging and age-associated processes. The proteome, being more close to the phenotype than the transcriptome and more stable than the metabolome, represents the most promising "omics" field in aging research. In the present study, we exploit recent advances in the redox biology of aging and discuss the potential of proteomics approaches as innovative tools for monitoring at the proteome level the extent of protein oxidative insult and related modifications with the identification of targeted proteins.
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Affiliation(s)
- V Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania , Catania , Italy
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Lohan SB, Bauersachs S, Ahlberg S, Baisaeng N, Keck CM, Müller RH, Witte E, Wolk K, Hackbarth S, Röder B, Lademann J, Meinke MC. Ultra-small lipid nanoparticles promote the penetration of coenzyme Q10 in skin cells and counteract oxidative stress. Eur J Pharm Biopharm 2015; 89:201-7. [DOI: 10.1016/j.ejpb.2014.12.008] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 12/04/2014] [Accepted: 12/05/2014] [Indexed: 10/24/2022]
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50
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Ji LL, Kang C. Role of PGC-1a in Sarcopenia: Etiology and Potential Intervention - A Mini-Review. Gerontology 2014; 61:139-48. [DOI: 10.1159/000365947] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Accepted: 07/16/2014] [Indexed: 11/19/2022] Open
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