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Viedma-Poyatos Á, González-Jiménez P, Langlois O, Company-Marín I, Spickett CM, Pérez-Sala D. Protein Lipoxidation: Basic Concepts and Emerging Roles. Antioxidants (Basel) 2021; 10:295. [PMID: 33669164 PMCID: PMC7919664 DOI: 10.3390/antiox10020295] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 12/13/2022] Open
Abstract
Protein lipoxidation is a non-enzymatic post-translational modification that consists of the covalent addition of reactive lipid species to proteins. This occurs under basal conditions but increases in situations associated with oxidative stress. Protein targets for lipoxidation include metabolic and signalling enzymes, cytoskeletal proteins, and transcription factors, among others. There is strong evidence for the involvement of protein lipoxidation in disease, including atherosclerosis, neurodegeneration, and cancer. Nevertheless, the involvement of lipoxidation in cellular regulatory mechanisms is less understood. Here we review basic aspects of protein lipoxidation and discuss several features that could support its role in cell signalling, including its selectivity, reversibility, and possibilities for regulation at the levels of the generation and/or detoxification of reactive lipids. Moreover, given the great structural variety of electrophilic lipid species, protein lipoxidation can contribute to the generation of multiple structurally and functionally diverse protein species. Finally, the nature of the lipoxidised proteins and residues provides a frameshift for a complex interplay with other post-translational modifications, including redox and redox-regulated modifications, such as oxidative modifications and phosphorylation, thus strengthening the importance of detailed knowledge of this process.
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Affiliation(s)
- Álvaro Viedma-Poyatos
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas Margarita Salas, Consejo Superior de Investigaciones Científicas (C.S.I.C.), 28040 Madrid, Spain
| | - Patricia González-Jiménez
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas Margarita Salas, Consejo Superior de Investigaciones Científicas (C.S.I.C.), 28040 Madrid, Spain
| | - Ophélie Langlois
- College of Health & Life Sciences, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Idoia Company-Marín
- College of Health & Life Sciences, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Corinne M Spickett
- College of Health & Life Sciences, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Dolores Pérez-Sala
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas Margarita Salas, Consejo Superior de Investigaciones Científicas (C.S.I.C.), 28040 Madrid, Spain
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Rac M, Shumbe L, Oger C, Guy A, Vigor C, Ksas B, Durand T, Havaux M. Luminescence imaging of leaf damage induced by lipid peroxidation products and its modulation by β-cyclocitral. PHYSIOLOGIA PLANTARUM 2021; 171:246-259. [PMID: 33215689 DOI: 10.1111/ppl.13279] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/30/2020] [Accepted: 11/09/2020] [Indexed: 05/26/2023]
Abstract
Lipid peroxidation is a primary event associated with oxidative stress in plants. This phenomenon secondarily generates bioactive and/or toxic compounds such as reactive carbonyl species (RCS), phytoprostanes, and phytofurans, as confirmed here in Arabidopsis plants exposed to photo-oxidative stress conditions. We analyzed the effects of exogenous applications of secondary lipid oxidation products on Arabidopsis plants by luminescence techniques. Oxidative damage to attached leaves was measured by autoluminescence imaging, using a highly sensitive CCD camera, and the activity of the detoxification pathway, dependent on the transcription regulator SCARECROW-LIKE 14 (SCL14), was monitored with a bioluminescent line expressing the firefly LUCIFERASE (LUC) gene under the control of the ALKENAL REDUCTASE (AER) gene promoter. We identified 4-hydroxynonenal (HNE), and to a lesser extent 4-hydroxyhexenal (HHE), as highly reactive compounds that are harmful to leaves and can trigger AER gene expression, contrary to other RCS (pentenal, hexenal) and to isoprostanoids. Although the levels of HNE and other RCS were enhanced in the SCL14-deficient mutant (scl14), exogenously applied HNE was similarly damaging to this mutant, its wild-type parent and a SCL14-overexpressing transgenic line (OE:SCL14). However, strongly boosting the SCL14 detoxification pathway and AER expression by a pre-treatment of OE:SCL14 with the signaling apocarotenoid β-cyclocitral canceled the damaging effects of HNE. Conversely, in the scl14 mutant, the effects of β-cyclocitral and HNE were additive, leading to enhanced leaf damage. These results indicate that the cellular detoxification pathway induced by the low-toxicity β-cyclocitral targets highly toxic compounds produced during lipid peroxidation, reminiscent of a safener-type mode of action.
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Affiliation(s)
- Marek Rac
- Institute of Biosciences and Biotechnologies, CEA/Cadarache, Aix Marseille University, CEA, CNRS, BIAM, UMR7265, Saint-Paul-lez-Durance, France
- Department of Biophysics, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science, Palacký University, Olomouc, Czech Republic
| | - Leonard Shumbe
- Institute of Biosciences and Biotechnologies, CEA/Cadarache, Aix Marseille University, CEA, CNRS, BIAM, UMR7265, Saint-Paul-lez-Durance, France
| | - Camille Oger
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, University of Montpellier, Montpellier, France
| | - Alexandre Guy
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, University of Montpellier, Montpellier, France
| | - Claire Vigor
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, University of Montpellier, Montpellier, France
| | - Brigitte Ksas
- Institute of Biosciences and Biotechnologies, CEA/Cadarache, Aix Marseille University, CEA, CNRS, BIAM, UMR7265, Saint-Paul-lez-Durance, France
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, CNRS, University of Montpellier, Montpellier, France
| | - Michel Havaux
- Institute of Biosciences and Biotechnologies, CEA/Cadarache, Aix Marseille University, CEA, CNRS, BIAM, UMR7265, Saint-Paul-lez-Durance, France
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Guerby P, Tasta O, Swiader A, Pont F, Bujold E, Parant O, Vayssiere C, Salvayre R, Negre-Salvayre A. Role of oxidative stress in the dysfunction of the placental endothelial nitric oxide synthase in preeclampsia. Redox Biol 2021; 40:101861. [PMID: 33548859 PMCID: PMC7873691 DOI: 10.1016/j.redox.2021.101861] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 12/30/2020] [Accepted: 01/05/2021] [Indexed: 12/25/2022] Open
Abstract
Preeclampsia (PE) is a multifactorial pregnancy disease, characterized by new-onset gestational hypertension with (or without) proteinuria or end-organ failure, exclusively observed in humans. It is a leading cause of maternal morbidity affecting 3–7% of pregnant women worldwide. PE pathophysiology could result from abnormal placentation due to a defective trophoblastic invasion and an impaired remodeling of uterine spiral arteries, leading to a poor adaptation of utero-placental circulation. This would be associated with hypoxia/reoxygenation phenomena, oxygen gradient fluctuations, altered antioxidant capacity, oxidative stress, and reduced nitric oxide (NO) bioavailability. This results in part from the reaction of NO with the radical anion superoxide (O2•−), which produces peroxynitrite ONOO-, a powerful pro-oxidant and inflammatory agent. Another mechanism is the progressive inhibition of the placental endothelial nitric oxide synthase (eNOS) by oxidative stress, which results in eNOS uncoupling via several events such as a depletion of the eNOS substrate L-arginine due to increased arginase activity, an oxidation of the eNOS cofactor tetrahydrobiopterin (BH4), or eNOS post-translational modifications (for instance by S-glutathionylation). The uncoupling of eNOS triggers a switch of its activity from a NO-producing enzyme to a NADPH oxidase-like system generating O2•−, thereby potentiating ROS production and oxidative stress. Moreover, in PE placentas, eNOS could be post-translationally modified by lipid peroxidation-derived aldehydes such as 4-oxononenal (ONE) a highly bioreactive agent, able to inhibit eNOS activity and NO production. This review summarizes the dysfunction of placental eNOS evoked by oxidative stress and lipid peroxidation products, and the potential consequences on PE pathogenesis. Physiological ROS production is enhanced during pregnancy. eNOS is one of the main target of oxidative stress in PE placenta. eNOS is S-glutathionylated in PE placentas. eNOS is modified by lipid oxidation products in PE placentas.
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Affiliation(s)
- Paul Guerby
- Inserm U1048, Université de Toulouse, France; Gynecology and Obstetrics Department, Paule-de-Viguier Hospital, Toulouse University Hospital, France; Pôle Technologique du CRCT, Toulouse, France
| | - Oriane Tasta
- Inserm U1048, Université de Toulouse, France; Gynecology and Obstetrics Department, Paule-de-Viguier Hospital, Toulouse University Hospital, France
| | | | | | - Emmanuel Bujold
- Reproduction, Mother and Child Health Unit, CHU de Québec - Université Laval Research Centre, Université Laval, Québec, Canada
| | - Olivier Parant
- Gynecology and Obstetrics Department, Paule-de-Viguier Hospital, Toulouse University Hospital, France
| | - Christophe Vayssiere
- Gynecology and Obstetrics Department, Paule-de-Viguier Hospital, Toulouse University Hospital, France
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Albuquerque TG, Costa HS, Oliveira MBPP. 4-hydroxy-2-alkenals in foods: a review on risk assessment, analytical methods, formation, occurrence, mitigation and future challenges. Crit Rev Food Sci Nutr 2021; 62:3569-3597. [PMID: 33397127 DOI: 10.1080/10408398.2020.1867499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Undoubtedly, significant advances were performed concerning 4-hydroxy-2-alkenals research on foods, and their formation by double oxidation of polyunsaturated fatty acids. But further studies are still needed, especially on their occurrence in foods enriched with n-3 and n-6 fatty acids, as well as in foods for infants and processed foods. Major factors concerning the formation of 4-hydroxy-2-alkenals were discussed, namely the influence of fatty acids composition, time/temperature, processing conditions, salt, among others. Regarding mitigation, the most effective strategies are adding phenolic extracts to foods matrices, as well as other antioxidants, such as vitamin E. Exposure assessment studies revealed 4-hydroxy-2-alkenals values that could not be considered a risk for human health. However, these toxic compounds remain unaltered after digestion and can easily reach the systemic circulation. Therefore, it is crucial to develop in vivo research, with the inclusion of the colon phase, as well as, cell membranes of the intestinal epithelium. In conclusion, according to our review it is possible to eliminate or effectively decrease 4-hydroxy-2-alkenals in foods using simple and economic practices.
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Affiliation(s)
- Tânia Gonçalves Albuquerque
- Department of Food and Nutrition, National Institute of Health Dr. Ricardo Jorge, I.P, Lisbon, Portugal.,REQUIMTE-LAQV, Faculty of Pharmacy, University of Porto, Porto, Portugal.,Instituto Universitário Egas Moniz, Lisbon, Portugal
| | - Helena S Costa
- Department of Food and Nutrition, National Institute of Health Dr. Ricardo Jorge, I.P, Lisbon, Portugal.,REQUIMTE-LAQV, Faculty of Pharmacy, University of Porto, Porto, Portugal
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Aschner M, Nguyen TT, Sinitskii AI, Santamaría A, Bornhorst J, Ajsuvakova OP, da Rocha JBT, Skalny AV, Tinkov AA. Isolevuglandins (isoLGs) as toxic lipid peroxidation byproducts and their pathogenetic role in human diseases. Free Radic Biol Med 2021; 162:266-273. [PMID: 33099003 DOI: 10.1016/j.freeradbiomed.2020.10.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/15/2020] [Accepted: 10/17/2020] [Indexed: 12/14/2022]
Abstract
Lipid peroxidation results in generation of a variety of lipid hydroperoxides and other highly reactive species that covalently modify proteins, nucleic acids, and other lipids, thus resulting in lipotoxicity. Although biological relevance of 4-hydroxynonenal (4-HNE) and malondialdehyde (MDA) is well studied, the existing data on the role of isolevuglandins (isoLGs) in pathology are insufficient. Therefore, the objective of the present study was to review the existing data on biological effects of isoLG and isoLG adducts and their role in multiple diseases. Sixty four highly reactive levuglandin-like γ-ketoaldehyde (γ-KA, or isoketals, IsoK, or isolevuglandins, IsoLG) regio- and stereo-isomers are formed as products of arachidonic acid oxidation. IsoLGs react covalently with lysyl residues of proteins to form a stable adduct and intramolecular aminal, bispyrrole, and trispyrrole cross-links. Phosphatidylethanolamine was also shown to be the target for isoLG binding as compared to proteins and DNA. Free IsoLGs are not detectable in vivo, although isolevuglandin adduction to amino acid residues of particular proteins may be evaluated with liquid chromatography-tandem mass spectrometry. Adducts formed were shown to play a significant role in the development and maintenance of oxidative stress, endoplasmic reticulum stress, mitochondrial dysfunction, and inflammation. These, and more specific molecular pathways, link isoLG and isoLG-adduct formation to develop a variety of pathologies, including cardiovascular diseases (atherosclerosis, hypertension, heart failure), obesity and diabetes, cancer, neurodegeneration, eye diseases (retinal degeneration and glaucoma), as well as ageing. Hypothetically, isoLGs and isoLG adduct formation may be considered as the potential target for treatment of oxidative stress-related diseases.
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Affiliation(s)
- Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA; IM Sechenov First Moscow State Medical University, Moscow, Russia.
| | - Thuy T Nguyen
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | | | - Abel Santamaría
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, Mexico City, Mexico
| | - Julia Bornhorst
- Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Olga P Ajsuvakova
- Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia
| | | | - Anatoly V Skalny
- IM Sechenov First Moscow State Medical University, Moscow, Russia; Yaroslavl State University, Yaroslavl, Russia
| | - Alexey A Tinkov
- IM Sechenov First Moscow State Medical University, Moscow, Russia; Institute of Cellular and Intracellular Symbiosis, Russian Academy of Sciences, Orenburg, Russia
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56
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Modification of proteins by reactive lipid oxidation products and biochemical effects of lipoxidation. Essays Biochem 2020; 64:19-31. [PMID: 31867621 DOI: 10.1042/ebc20190058] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 11/22/2019] [Accepted: 11/27/2019] [Indexed: 02/06/2023]
Abstract
Lipid oxidation results in the formation of many reactive products, such as small aldehydes, substituted alkenals, and cyclopentenone prostaglandins, which are all able to form covalent adducts with nucleophilic residues of proteins. This process is called lipoxidation, and the resulting adducts are called advanced lipoxidation end products (ALEs), by analogy with the formation of advanced glycoxidation end products from oxidized sugars. Modification of proteins by reactive oxidized lipids leads to structural changes such as increased β-sheet conformation, which tends to result in amyloid-like structures and oligomerization, or unfolding and aggregation. Reaction with catalytic cysteines is often responsible for the loss of enzymatic activity in lipoxidized proteins, although inhibition may also occur through conformational changes at more distant sites affecting substrate binding or regulation. On the other hand, a few proteins are activated by lipoxidation-induced oligomerization or interactions, leading to increased downstream signalling. At the cellular level, it is clear that some proteins are much more susceptible to lipoxidation than others. ALEs affect cell metabolism, protein-protein interactions, protein turnover via the proteasome, and cell viability. Evidence is building that they play roles in both physiological and pathological situations, and inhibiting ALE formation can have beneficial effects.
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Acrolein: A Potential Mediator of Oxidative Damage in Diabetic Retinopathy. Biomolecules 2020; 10:biom10111579. [PMID: 33233661 PMCID: PMC7699716 DOI: 10.3390/biom10111579] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 11/05/2020] [Accepted: 11/17/2020] [Indexed: 02/06/2023] Open
Abstract
Diabetic retinopathy (DR) is the leading cause of vision loss among working-age adults. Extensive evidences have documented that oxidative stress mediates a critical role in the pathogenesis of DR. Acrolein, a product of polyamines oxidation and lipid peroxidation, has been demonstrated to be involved in the pathogenesis of various human diseases. Acrolein’s harmful effects are mediated through multiple mechanisms, including DNA damage, inflammation, ROS formation, protein adduction, membrane disruption, endoplasmic reticulum stress, and mitochondrial dysfunction. Recent investigations have reported the involvement of acrolein in the pathogenesis of DR. These studies have shown a detrimental effect of acrolein on the retinal neurovascular unit under diabetic conditions. The current review summarizes the existing literature on the sources of acrolein, the impact of acrolein in the generation of oxidative damage in the diabetic retina, and the mechanisms of acrolein action in the pathogenesis of DR. The possible therapeutic interventions such as the use of polyamine oxidase inhibitors, agents with antioxidant properties, and acrolein scavengers to reduce acrolein toxicity are also discussed.
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Silva DVTD, Baião DDS, Ferreira VF, Paschoalin VMF. Betanin as a multipath oxidative stress and inflammation modulator: a beetroot pigment with protective effects on cardiovascular disease pathogenesis. Crit Rev Food Sci Nutr 2020; 62:539-554. [PMID: 32997545 DOI: 10.1080/10408398.2020.1822277] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Oxidative stress is a common physiopathological condition enrolled in risk factors for cardiovascular diseases. Individuals in such a redox imbalance status present endothelial dysfunctions and inflammation, reaching the onset of heart disease. Phytochemicals are able to attenuate the main mechanisms of oxidative stress and inflammation and should be considered as supportive therapies to manage risk factors for cardiovascular diseases. Beetroot (Beta vulgaris L.) is a rich source of bioactive compounds, including betanin (betanidin-5-O-β-glucoside), a pigment displaying the potential to alleviate oxidative stress and inflammantion, as previously demonstrated in preclinical trials. Betanin resists gastrointestinal digestion, is absorbed by the epithelial cells of intestinal mucosa and reaches the plasma in its active form. Betanin displays free-radical scavenger ability through hydrogen or electron donation, preserving lipid structures and LDL particles while inducing the transcription of antioxidant genes through the nuclear factor erythroid-2-related factor 2 and, simultaneously, suppressing the pro-inflammatory nuclear factor kappa-B pathways. This review discusses the anti-radical and gene regulatory cardioprotective activities of betanin in the pathophysiology of endothelial damage and atherogenesis, the main conditions for cardiovascular disease. In addition, betanin influences on these multipath cellular signals and aiding in reducing cardiovascular disorders is proposed.
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Affiliation(s)
| | - Diego Dos Santos Baião
- Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
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Effects of sous vide vs grilling methods on lamb meat colour and lipid stability during cooking and heated display. Meat Sci 2020; 171:108287. [PMID: 32896774 DOI: 10.1016/j.meatsci.2020.108287] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/21/2020] [Accepted: 08/21/2020] [Indexed: 12/16/2022]
Abstract
The present study compared the effect of grilling (150 °C until 72 °C core temperature) and sous-vide (SV) cooking (75 °C for 35 min in a water bath under vacuum) on lamb patties immediately after cooking and after 4 h display at 65 °C. Both methods produced patties with similar (P > 0.05) weight loss, and moisture and fat contents. SV-cooking prevented (P < 0.05) the formation of thiobarbituric acid reactive substances (TBARS) and oxysterols compared to grilled patties, which showed a larger proportion of highly peroxidisable polyunsaturated fatty acids. Heated display induced dehydration, surface darkening and a reduction in the hexanal/3-methylbutanal ratio, suggesting the progression of Maillard reactions. Moreover, TBARS and some lipid oxidation-derived volatiles increased (P < 0.001), while cooked-meat aroma compounds were reduced (P < 0.001). SV-cooking inhibited (P < 0.05) the formation of malondialdehyde, and 7α- and 7β-hydroxycholesterol, and lowered the cholesterol oxidation ratio during heated display. Overall, SV-cooking may be considered a healthier way of cooking when lamb meat is to be kept warm for considerable periods before consumption.
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The effect of heating on the formation of 4-hydroxy-2-hexenal and 4-hydroxy-2-nonenal in unsaturated vegetable oils: Evaluation of oxidation indicators. Food Chem 2020; 321:126603. [DOI: 10.1016/j.foodchem.2020.126603] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 02/16/2020] [Accepted: 03/10/2020] [Indexed: 02/07/2023]
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Dijkhoff IM, Drasler B, Karakocak BB, Petri-Fink A, Valacchi G, Eeman M, Rothen-Rutishauser B. Impact of airborne particulate matter on skin: a systematic review from epidemiology to in vitro studies. Part Fibre Toxicol 2020; 17:35. [PMID: 32711561 PMCID: PMC7382801 DOI: 10.1186/s12989-020-00366-y] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 07/14/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Air pollution is killing close to 5 million people a year, and harming billions more. Air pollution levels remain extremely high in many parts of the world, and air pollution-associated premature deaths have been reported for urbanized areas, particularly linked to the presence of airborne nano-sized and ultrafine particles. MAIN TEXT To date, most of the research studies did focus on the adverse effects of air pollution on the human cardiovascular and respiratory systems. Although the skin is in direct contact with air pollutants, their damaging effects on the skin are still under investigation. Epidemiological data suggested a correlation between exposure to air pollutants and aggravation of symptoms of chronic immunological skin diseases. In this study, a systematic literature review was conducted to understand the current knowledge on the effects of airborne particulate matter on human skin. It aims at providing a deeper understanding of the interactions between air pollutants and skin to further assess their potential risks for human health. CONCLUSION Particulate matter was shown to induce a skin barrier dysfunction and provoke the formation of reactive oxygen species through direct and indirect mechanisms, leading to oxidative stress and induced activation of the inflammatory cascade in human skin. Moreover, a positive correlation was reported between extrinsic aging and atopic eczema relative risk with increasing particulate matter exposure.
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Affiliation(s)
- Irini M Dijkhoff
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland
| | - Barbara Drasler
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland
| | - Bedia Begum Karakocak
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland
| | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland
| | - Giuseppe Valacchi
- Department of Biomedical and Specialist Surgical Sciences, University of Ferrara, Ferrara, Italy
- Department of Animal Sciences, PHHI NCRC, North Carolina State University, Kannapolis, NC, USA
| | | | - Barbara Rothen-Rutishauser
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland.
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ROS in Platelet Biology: Functional Aspects and Methodological Insights. Int J Mol Sci 2020; 21:ijms21144866. [PMID: 32660144 PMCID: PMC7402354 DOI: 10.3390/ijms21144866] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 06/26/2020] [Accepted: 07/07/2020] [Indexed: 12/22/2022] Open
Abstract
Reactive oxygen species (ROS) and mitochondria play a pivotal role in regulating platelet functions. Platelet activation determines a drastic change in redox balance and in platelet metabolism. Indeed, several signaling pathways have been demonstrated to induce ROS production by NAPDH oxidase (NOX) and mitochondria, upon platelet activation. Platelet-derived ROS, in turn, boost further ROS production and consequent platelet activation, adhesion and recruitment in an auto-amplifying loop. This vicious circle results in a platelet procoagulant phenotype and apoptosis, both accounting for the high thrombotic risk in oxidative stress-related diseases. This review sought to elucidate molecular mechanisms underlying ROS production upon platelet activation and the effects of an altered redox balance on platelet function, focusing on the main advances that have been made in platelet redox biology. Furthermore, given the increasing interest in this field, we also describe the up-to-date methods for detecting platelets, ROS and the platelet bioenergetic profile, which have been proposed as potential disease biomarkers.
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63
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Hydrolysis of oxidized phosphatidylcholines by crude enzymes from chicken, pork and beef muscles. Food Chem 2020; 313:125956. [PMID: 31923864 DOI: 10.1016/j.foodchem.2019.125956] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 11/06/2019] [Accepted: 11/24/2019] [Indexed: 01/22/2023]
Abstract
Crude enzymes were extracted from beef, pork and chicken and were employed to hydrolyze 1-palmitoyl-2-linoleoyl-phosphatidylcholine (PLPC) and oxidized PLPC, i.e. hydroperoxide of PLPC (PLPC-OOH) and hydroxide of PLPC (PLPC-OH). HPLC-ELSD and ESI-MS were used to characterize and determinate hydrolytic products. After hydrolysis at 37 °C for 180 min, 26.8 ~ 27.4%, 21.6 ~ 22.8% and 17.8 ~ 19.0% of substrates were hydrolyzed by crude enzymes from beef, pork and chicken, respectively. Phospholipase A2 (PLA2) was the major contributor to hydrolysis, which accounted for 47.8 ~ 49.6%, 45.8 ~ 48.7% and 46.6 ~ 46.8% of hydrolysis of PLPC, PLPC-OOH and PLPC-OH, respectively. Crude enzymes demonstrated almost same specificities towards PLPC, PLPC-OOH and PLPC-OH. Under actions of crude enzymes, hydroperoxyoctadecadienoic acids (HpODE) and hydroxyoctadecadienoic acids (HODE) were yielded as hydrolytic products of PLPC-OOH and PLPC-OH, respectively. These finding would be helpful to better understand the fate of hydroperoxides of phospholipids and formation of HODE during meat products manufacturing.
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Effects of Compound Centella on Oxidative Stress and Keap1-Nrf2-ARE Pathway Expression in Diabetic Kidney Disease Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:9817932. [PMID: 32595756 PMCID: PMC7277064 DOI: 10.1155/2020/9817932] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 03/27/2020] [Accepted: 04/21/2020] [Indexed: 12/30/2022]
Abstract
The formula of Compound Centella mainly contains 3 traditional Chinese herbs: Centella asiatica (L.) Urb. (JiXueCao), Astragalus Membranaceus Fish. (HuangQi), and Tripterygium wilfordii Hook. f. (LeiGongTeng). Though this formula is effective for treating diabetic kidney disease (DKD) in clinic, the exact mechanism is still unclear. This study aims to investigate the effect and antioxidant mechanism of Compound Centella on DKD rats. High-performance liquid chromatography (HPLC) was applied to analyse 3 herbs in Compound Centella. Sprague-Dawley rats were divided into the normal group (NG), DKD group (DKDG), Compound Centella group (CCG), and losartan group (LG), with 8 rats in each group. On the first day of the experiment, rats in the NG were fed with ordinary –feed, while the other groups were fed with high-fat and high-sugar feed. On the 29th day, except the NG, the other 3 groups received a single intraperitoneal injection of streptozocin (STZ, 35 mg/kg). Fasting blood glucose (FBG) was measured on the 1st day, 32nd day, 46th day, 56th day, 84th day, and 112th day. Total protein/creatinine ratio of urine was determined by the phenol red assay on the 1st day and 112th day. Serum creatinine (Scr) was determined by an automatic biochemical analyser on the 112th day. Kidneys were collected on the 112th day for analysis and evaluation. Periodic acid-Schiff (PAS) staining, hematoxylin-eosin (HE) staining, and transmission electron microscopy were used to observe kidney pathological changes. The mRNA and protein expressions of Kelch-like ECH-associated protein 1 (Keap1) and nuclear factor-erythroid 2-related factor 2 (Nrf2) in renal tissues were detected by RT-qPCR, Western blot, and immunohistochemistry. Oxidative stress was evaluated by detecting the levels of malondialdehyde (MDA) and heme oxidase-1 (HO-1). The results showed that the content of asiaticoside, astragaloside, and triptolide in the herb was 5960, 809, and 2.42 μg/g and in the Compound Centella was 340, 64, and 0.1403 μg/mL by HPLC. Compound Centella reduced the urine protein/creatinine ratio and improved renal pathology in the kidneys of DKD rats. In addition, the mRNA and protein expressions of Keap1 and Nrf2 in kidneys were upregulated by Compound Centella. The expressions of MDA were downregulated but HO-1 were upregulated by Compound Centella. Therefore, the protective effect of Compound Centella in the kidney of DKD rats may be related to regulating the Keap1-Nrf2-ARE pathway under oxidative stress, suggesting Compound Centella as a promising treatment against DKD.
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Hill RL, Singh IN, Wang JA, Kulbe JR, Hall ED. Protective effects of phenelzine administration on synaptic and non-synaptic cortical mitochondrial function and lipid peroxidation-mediated oxidative damage following TBI in young adult male rats. Exp Neurol 2020; 330:113322. [PMID: 32325157 DOI: 10.1016/j.expneurol.2020.113322] [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] [Received: 11/07/2019] [Revised: 04/13/2020] [Accepted: 04/17/2020] [Indexed: 12/11/2022]
Abstract
Traumatic brain injury (TBI) results in mitochondrial dysfunction and induction of lipid peroxidation (LP). Lipid peroxidation-derived neurotoxic aldehydes such as 4-HNE and acrolein bind to mitochondrial proteins, inducing additional oxidative damage and further exacerbating mitochondrial dysfunction and LP. Mitochondria are heterogeneous, consisting of both synaptic and non-synaptic populations, with synaptic mitochondria being more vulnerable to injury-dependent consequences. The goal of these studies was to explore the hypothesis that interrupting secondary oxidative damage following TBI using phenelzine (PZ), an aldehyde scavenger, would preferentially protect synaptic mitochondria against LP-mediated damage in a dose- and time-dependent manner. Male Sprague-Dawley rats received a severe (2.2 mm) controlled cortical impact (CCI)-TBI. PZ (3-30 mg/kg) was administered subcutaneously (subQ) at different times post-injury. We found PZ treatment preserves both synaptic and non-synaptic mitochondrial bioenergetics at 24 h and that this protection is partially maintained out to 72 h post-injury using various dosing regimens. The results from these studies indicate that the therapeutic window for the first dose of PZ is likely within the first hour after injury, and the window for administration of the second dose seems to fall between 12 and 24 h. Administration of PZ was able to significantly improve mitochondrial respiration compared to vehicle-treated animals across various states of respiration for both the non-synaptic and synaptic mitochondria. The synaptic mitochondria appear to respond more robustly to PZ treatment than the non-synaptic, and further experimentation will need to be done to further understand these effects in the context of TBI.
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Affiliation(s)
- Rachel L Hill
- University of Kentucky, Spinal Cord and Brain Injury Research Center (SCoBIRC), United States of America.
| | - Indrapal N Singh
- University of Kentucky, Spinal Cord and Brain Injury Research Center (SCoBIRC), United States of America; Department of Neuroscience, 741 S. Limestone St, Lexington, KY 40536-0509, United States of America
| | - Juan A Wang
- University of Kentucky, Spinal Cord and Brain Injury Research Center (SCoBIRC), United States of America
| | - Jacqueline R Kulbe
- University of Kentucky, Spinal Cord and Brain Injury Research Center (SCoBIRC), United States of America
| | - Edward D Hall
- University of Kentucky, Spinal Cord and Brain Injury Research Center (SCoBIRC), United States of America; Department of Neuroscience, 741 S. Limestone St, Lexington, KY 40536-0509, United States of America
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66
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Ma L, Liu G, Cheng W, Liu X, Liu H, Wang Q, Mao G, Cai X, Brennan C, Brennan MA. Formation of malondialdehyde, 4‐hydroxy‐hexenal and 4‐hydroxy‐nonenal during deep‐frying of potato sticks and chicken breast meat in vegetable oils. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14462] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Lukai Ma
- College of Light Industry and Food Zhongkai University of Agriculture and Engineering Guangzhou 510225 China
| | - Guoqin Liu
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Products Safety School of Food Science and Engineering South China University of Technology Guangzhou 510640 China
| | - Weiwei Cheng
- Institute for Advanced Study Shenzhen University Shenzhen 518060 China
| | - Xinqi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health School of Food and Chemical Engineering Beijing Technology and Business University Beijing 100048 China
| | - Huifan Liu
- College of Light Industry and Food Zhongkai University of Agriculture and Engineering Guangzhou 510225 China
| | - Qin Wang
- College of Light Industry and Food Zhongkai University of Agriculture and Engineering Guangzhou 510225 China
| | - Guoxing Mao
- College of Light Industry and Food Zhongkai University of Agriculture and Engineering Guangzhou 510225 China
| | - Xintong Cai
- College of Light Industry and Food Zhongkai University of Agriculture and Engineering Guangzhou 510225 China
| | - Charles Brennan
- Department of Wine Food and Molecular Biosciences Lincoln University Lincoln 7647 New Zealand
| | - Margaret A. Brennan
- Department of Wine Food and Molecular Biosciences Lincoln University Lincoln 7647 New Zealand
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Zhou X, Zhang Z, Liu X, Wu D, Ding Y, Li G, Wu Y. Typical reactive carbonyl compounds in food products: Formation, influence on food quality, and detection methods. Compr Rev Food Sci Food Saf 2020; 19:503-529. [DOI: 10.1111/1541-4337.12535] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 11/25/2019] [Accepted: 12/28/2019] [Indexed: 01/08/2023]
Affiliation(s)
- Xuxia Zhou
- Department of Food Science and TechnologyZhejiang University of Technology Hangzhou China
| | - Zhiwen Zhang
- Department of Food Science and TechnologyZhejiang University of Technology Hangzhou China
| | - Xiaoying Liu
- Department of Food Science and TechnologyZhejiang University of Technology Hangzhou China
| | - Di Wu
- Yangtze Delta Region Institute of Tsinghua University Zhejiang China
| | - Yuting Ding
- Department of Food Science and TechnologyZhejiang University of Technology Hangzhou China
| | - Guoliang Li
- School of Food and Biological EngineeringShaanxi University of Science and Technology Xian China
| | - Yongning Wu
- NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical ScienceChina National Center for Food Safety Risk Assessment Beijing China
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68
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4-Hydroxy-2-nonenal in food products: A review of the toxicity, occurrence, mitigation strategies and analysis methods. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2019.12.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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69
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Luo J, Mills K, le Cessie S, Noordam R, van Heemst D. Ageing, age-related diseases and oxidative stress: What to do next? Ageing Res Rev 2020; 57:100982. [PMID: 31733333 DOI: 10.1016/j.arr.2019.100982] [Citation(s) in RCA: 282] [Impact Index Per Article: 70.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 10/04/2019] [Accepted: 11/12/2019] [Indexed: 12/13/2022]
Abstract
Among other mechanisms, oxidative stress has been postulated to play an important role in the rate of ageing. Oxidative damage contributes to the hallmarks of ageing and essential components in pathological pathways which are thought to drive multiple age-related diseases. Nonetheless, results from studies testing the hypothesis of oxidative stress in ageing and diseases showed controversial results. While observational studies mainly found detrimental effects of high oxidative stress levels on disease status, randomized clinical trials examining the effect of antioxidant supplementation on disease status generally showed null effects. However, re-evaluations of these counterinitiative observations are required considering the lack of reliability and specificity of traditionally used biomarkers for measuring oxidative stress. To facilitate these re-evaluations, this review summarizes the basic knowledge of oxidative stress and the present findings regarding the role of oxidative damage in ageing and age-related diseases. Meanwhile, two approaches are highlighted, namely proper participants selection, together with the development of reliable biomarkers. We propose that oxidized vitamin E metabolites may be used to accurately monitor individual functional antioxidant level, which might serve as promising key solutions for future elucidating the impact of oxidative stress on ageing and age-related diseases.
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70
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Hu X, Dong D, Xia M, Yang Y, Wang J, Su J, Sun L, Yu H. Oxidative stress and antioxidant capacity: development and prospects. NEW J CHEM 2020. [DOI: 10.1039/d0nj02041a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Signaling pathways regulating redox reactions are activated to balance the redox status and maintain the normal function of cells.
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Affiliation(s)
- Xiaoqing Hu
- Key Laboratory of Pathobiology
- Ministry of Education
- Department of Pathophysiology
- College of Basic Medical Sciences
- Jilin University
| | - Delu Dong
- Key Laboratory of Pathobiology
- Ministry of Education
- Department of Pathophysiology
- College of Basic Medical Sciences
- Jilin University
| | - Meihui Xia
- The First Hospital of Jilin University
- Changchun 130021
- P. R. China
| | - Yimeng Yang
- Key Laboratory of Pathobiology
- Ministry of Education
- Department of Pathophysiology
- College of Basic Medical Sciences
- Jilin University
| | - Jiabin Wang
- Key Laboratory of Pathobiology
- Ministry of Education
- Department of Pathophysiology
- College of Basic Medical Sciences
- Jilin University
| | - Jing Su
- Key Laboratory of Pathobiology
- Ministry of Education
- Department of Pathophysiology
- College of Basic Medical Sciences
- Jilin University
| | - Liankun Sun
- Key Laboratory of Pathobiology
- Ministry of Education
- Department of Pathophysiology
- College of Basic Medical Sciences
- Jilin University
| | - Huimei Yu
- Key Laboratory of Pathobiology
- Ministry of Education
- Department of Pathophysiology
- College of Basic Medical Sciences
- Jilin University
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71
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Pohl EE, Jovanovic O. The Role of Phosphatidylethanolamine Adducts in Modification of the Activity of Membrane Proteins under Oxidative Stress. Molecules 2019; 24:molecules24244545. [PMID: 31842328 PMCID: PMC6943717 DOI: 10.3390/molecules24244545] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 12/09/2019] [Accepted: 12/10/2019] [Indexed: 12/11/2022] Open
Abstract
Reactive oxygen species (ROS) and their derivatives, reactive aldehydes (RAs), have been implicated in the pathogenesis of many diseases, including metabolic, cardiovascular, and inflammatory disease. Understanding how RAs can modify the function of membrane proteins is critical for the design of therapeutic approaches in the above-mentioned pathologies. Over the last few decades, direct interactions of RA with proteins have been extensively studied. Yet, few studies have been performed on the modifications of membrane lipids arising from the interaction of RAs with the lipid amino group that leads to the formation of adducts. It is even less well understood how various multiple adducts affect the properties of the lipid membrane and those of embedded membrane proteins. In this short review, we discuss a crucial role of phosphatidylethanolamine (PE) and PE-derived adducts as mediators of RA effects on membrane proteins. We propose potential PE-mediated mechanisms that explain the modulation of membrane properties and the functions of membrane transporters, channels, receptors, and enzymes. We aim to highlight this new area of research and to encourage a more nuanced investigation of the complex nature of the new lipid-mediated mechanism in the modification of membrane protein function under oxidative stress.
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72
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Lawson CA, Possell M, Seymour JR, Raina JB, Suggett DJ. Coral endosymbionts (Symbiodiniaceae) emit species-specific volatilomes that shift when exposed to thermal stress. Sci Rep 2019; 9:17395. [PMID: 31758008 PMCID: PMC6874547 DOI: 10.1038/s41598-019-53552-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 11/01/2019] [Indexed: 12/27/2022] Open
Abstract
Biogenic volatile organic compounds (BVOCs) influence organism fitness by promoting stress resistance and regulating trophic interactions. Studies examining BVOC emissions have predominantly focussed on terrestrial ecosystems and atmospheric chemistry - surprisingly, highly productive marine ecosystems remain largely overlooked. Here we examined the volatilome (total BVOCs) of the microalgal endosymbionts of reef invertebrates, Symbiodiniaceae. We used GC-MS to characterise five species (Symbiodinium linucheae, Breviolum psygmophilum, Durusdinium trenchii, Effrenium voratum, Fugacium kawagutii) under steady-state growth. A diverse range of 32 BVOCs were detected (from 12 in D. trenchii to 27 in S. linucheae) with halogenated hydrocarbons, alkanes and esters the most common chemical functional groups. A thermal stress experiment on thermally-sensitive Cladocopium goreaui and thermally-tolerant D. trenchii significantly affected the volatilomes of both species. More BVOCs were detected in D. trenchii following thermal stress (32 °C), while fewer BVOCs were recorded in stressed C. goreaui. The onset of stress caused dramatic increases of dimethyl-disulfide (98.52%) in C. goreaui and nonanoic acid (99.85%) in D. trenchii. This first volatilome analysis of Symbiodiniaceae reveals that both species-specificity and environmental factors govern the composition of BVOC emissions among the Symbiodiniaceae, which potentially have, as yet unexplored, physiological and ecological importance in shaping coral reef community functioning.
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Affiliation(s)
- Caitlin A Lawson
- Climate Change Cluster (C3), University of Technology Sydney, Sydney, Australia.
| | - Malcolm Possell
- School of Life and Environmental Sciences, University of Sydney, Sydney, Australia
| | - Justin R Seymour
- Climate Change Cluster (C3), University of Technology Sydney, Sydney, Australia
| | - Jean-Baptiste Raina
- Climate Change Cluster (C3), University of Technology Sydney, Sydney, Australia
| | - David J Suggett
- Climate Change Cluster (C3), University of Technology Sydney, Sydney, Australia
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73
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Cruciani G, Domingues P, Fedorova M, Galli F, Spickett CM. Redox lipidomics and adductomics - Advanced analytical strategies to study oxidized lipids and lipid-protein adducts. Free Radic Biol Med 2019; 144:1-5. [PMID: 31369839 DOI: 10.1016/j.freeradbiomed.2019.07.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Gabriele Cruciani
- Department of Chemistry, Biology and Biotechnology, Università degli Studi di Perugia, Italy.
| | - Pedro Domingues
- Mass Spectrometry Centre, Department of Chemistry & QOPNA/LAQV, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
| | - Maria Fedorova
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, University of Leipzig, Germany; Center for Biotechnology and Biomedicine, University of Leipzig, Germany.
| | - Francesco Galli
- Department of Pharmaceutical Sciences, Università degli Studi di Perugia, Italy.
| | - Corinne M Spickett
- Department of Biosciences, School of Life and Health Sciences, Aston University, Birmingham, UK.
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74
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Sousa BC, Ahmed T, Dann WL, Ashman J, Guy A, Durand T, Pitt AR, Spickett CM. Short-chain lipid peroxidation products form covalent adducts with pyruvate kinase and inhibit its activity in vitro and in breast cancer cells. Free Radic Biol Med 2019; 144:223-233. [PMID: 31173844 DOI: 10.1016/j.freeradbiomed.2019.05.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Revised: 05/10/2019] [Accepted: 05/27/2019] [Indexed: 12/15/2022]
Abstract
Pyruvate kinase catalyses the last step in glycolysis and has been suggested to contribute to the regulation of aerobic glycolysis in cancer cells. It can be inhibited by oxidation of cysteine residues in vitro and in vivo, which is relevant to the more pro-oxidant state in cancer and proliferating tissues. These conditions also favour lipid peroxidation and the formation of electrophilic fragmentation products, including short-chain aldehydes that can covalently modify proteins. However, as yet few studies have investigated their interactions with pyruvate kinase, so we investigated the effects of three different aldehydes, acrolein, malondialdehyde and 4-hydroxy-2(E)-hexenal (HHE), on the structure and activity of the enzyme. Analysis by LC-MS/MS showed unique modification profiles for each aldehyde, but Cys152, Cys423 and Cys474 were the residues most susceptible to electrophilic modification. Analysis of enzymatic activity under these conditions showed that acrolein was the strongest inhibitor, and at incubation times longer than 2 h, pathophysiological concentrations induced significant effects. Treatment of MCF-7 cells with the aldehydes caused similar losses of pyruvate kinase activity to those observed in vitro, and at lower concentrations than those required to cause cell death, with time and dose-dependent effects; acrolein adducts on Cys152 and Cys358 were detected. Cys358 and Cys474 are located at or near the allosteric or active sites, and formation of adducts on these residues probably contributes to loss of activity at low treatment concentrations. This study provides the first detailed analysis of the structure-activity relationship of C3 and C6 aldehydes with pyruvate kinase, and suggests that reactive short-chain aldehydes generated in diseases with an oxidative aetiology or from environmental exposure such as smoking could be involved in the metabolic alterations observed in cancer cells, through alteration of pyruvate kinase activity.
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Affiliation(s)
- Bebiana C Sousa
- School of Life and Health Sciences, Aston Triangle, Aston University, B4 7ET, Birmingham, UK
| | - Tanzim Ahmed
- School of Life and Health Sciences, Aston Triangle, Aston University, B4 7ET, Birmingham, UK
| | - William L Dann
- School of Life and Health Sciences, Aston Triangle, Aston University, B4 7ET, Birmingham, UK
| | - Jed Ashman
- School of Life and Health Sciences, Aston Triangle, Aston University, B4 7ET, Birmingham, UK
| | - Alexandre Guy
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, Université de Montpellier, CNRS, ENSCM, Montpellier, France
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247, Université de Montpellier, CNRS, ENSCM, Montpellier, France
| | - Andrew R Pitt
- School of Life and Health Sciences, Aston Triangle, Aston University, B4 7ET, Birmingham, UK
| | - Corinne M Spickett
- School of Life and Health Sciences, Aston Triangle, Aston University, B4 7ET, Birmingham, UK.
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75
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Wang G, Wakamiya M, Wang J, Ansari GAS, Khan MF. Cytochrome P450 2E1-deficient MRL+/+ mice are less susceptible to trichloroethene-mediated autoimmunity: Involvement of oxidative stress-responsive signaling pathways. Free Radic Biol Med 2019; 143:324-330. [PMID: 31446053 PMCID: PMC6848790 DOI: 10.1016/j.freeradbiomed.2019.08.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 08/15/2019] [Accepted: 08/21/2019] [Indexed: 01/08/2023]
Abstract
Reactive trichloroethene (TCE) metabolites and oxidative stress are involved in TCE-mediated autoimmunity, as evident from our earlier studies in MRL+/+ mice. However, molecular mechanisms underlying the autoimmunity remain largely unknown. Cytochrome P450 2E1 (CYP2E1), the major enzyme responsible for TCE metabolism, could contribute to TCE-induced toxic response through free radical generation. The current study was, therefore, aimed to further evaluate the significance of TCE metabolism leading to oxidative stress and autoimmune response by using MRL+/+ mice that lack CYP2E1. The Cyp2e1-null MRL+/+ mice were generated by backcrossing Cyp2e1-null mice (B6N; 129S4-Cyp2e1) to MRL +/+ mice. Female MRL+/+ and Cyp2e1-null MRL+/+ mice were given TCE (10 mmol/kg, i.p., every 4th day) for 6 weeks; their respective controls received corn oil only. TCE treatment in MRL+/+ mice induced oxidative stress, evident from significantly increased serum malondiadelhyde (MDA)-protein adducts, their antibodies and reduced liver GSH levels. TCE treatment also modulated Nrf2 pathway with decreased Nrf2 and HO-1, and elevated NF-κB (p65) expression in the liver. TCE exposure also led to increases in serum antinuclear antibodies (ANA) and anti-double stranded DNA antibodies (anti-dsDNA). Although TCE treatment in Cyp2e1-null MRL+/+ mice also led to increases in serum MDA-protein adducts and their antibodies, changes in liver GSH, Nrf2, HO-1 and NF-κB along with increases in serum ANA, anti-dsDNA, the alterations in the oxidative stress and autoimmunity markers in these mice were less pronounced compared to those in MRL+/+ mice. These findings support the contribution of CYP2E1-mediated TCE metabolism in autoimmune response and an important role of Nrf2 pathway in TCE-mediated autoimmunity.
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Affiliation(s)
- Gangduo Wang
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - Maki Wakamiya
- Institute for Translational Sciences and Animal Resource Center, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - Jianling Wang
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - G A Shakeel Ansari
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - M Firoze Khan
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, 77555, USA.
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76
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García-Revilla J, Alonso-Bellido IM, Burguillos MA, Herrera AJ, Espinosa-Oliva AM, Ruiz R, Cruz-Hernández L, García-Domínguez I, Roca-Ceballos MA, Santiago M, Rodríguez-Gómez JA, Soto MS, de Pablos RM, Venero JL. Reformulating Pro-Oxidant Microglia in Neurodegeneration. J Clin Med 2019; 8:E1719. [PMID: 31627485 PMCID: PMC6832973 DOI: 10.3390/jcm8101719] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/11/2019] [Accepted: 10/12/2019] [Indexed: 12/13/2022] Open
Abstract
In neurodegenerative diseases, microglia-mediated neuroinflammation and oxidative stress are central events. Recent genome-wide transcriptomic analyses of microglial cells under different disease conditions have uncovered a new subpopulation named disease-associated microglia (DAM). These studies have challenged the classical view of the microglia polarization state's proinflammatory M1 (classical activation) and immunosuppressive M2 (alternative activation). Molecular signatures of DAM and proinflammatory microglia (highly pro-oxidant) have shown clear differences, yet a partial overlapping gene profile is evident between both phenotypes. The switch activation of homeostatic microglia into reactive microglia relies on the selective activation of key surface receptors involved in the maintenance of brain homeostasis (a.k.a. pattern recognition receptors, PRRs). Two relevant PRRs are toll-like receptors (TLRs) and triggering receptors expressed on myeloid cells-2 (TREM2), whose selective activation is believed to generate either a proinflammatory or a DAM phenotype, respectively. However, the recent identification of endogenous disease-related ligands, which bind to and activate both TLRs and TREM2, anticipates the existence of rather complex microglia responses. Examples of potential endogenous dual ligands include amyloid β, galectin-3, and apolipoprotein E. These pleiotropic ligands induce a microglia polarization that is more complicated than initially expected, suggesting the possibility that different microglia subtypes may coexist. This review highlights the main microglia polarization states under disease conditions and their leading role orchestrating oxidative stress.
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Affiliation(s)
- Juan García-Revilla
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Isabel M Alonso-Bellido
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Miguel A Burguillos
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Antonio J Herrera
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Ana M Espinosa-Oliva
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Rocío Ruiz
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Luis Cruz-Hernández
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Irene García-Domínguez
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - María A Roca-Ceballos
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Marti Santiago
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - José A Rodríguez-Gómez
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Departament of Medical Physiology and Biophysics, Faculty of Medicine, University of Seville, 41009 Sevilla, Spain.
| | - Manuel Sarmiento Soto
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Rocío M de Pablos
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - José L Venero
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
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Casin KM, Fallica J, Mackowski N, Veenema RJ, Chan A, St Paul A, Zhu G, Bedja D, Biswal S, Kohr MJ. S-Nitrosoglutathione Reductase Is Essential for Protecting the Female Heart From Ischemia-Reperfusion Injury. Circ Res 2019; 123:1232-1243. [PMID: 30571462 DOI: 10.1161/circresaha.118.313956] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
RATIONALE Protein S-nitros(yl)ation (SNO) has been implicated as an essential mediator of nitric oxide-dependent cardioprotection. Compared with males, female hearts exhibit higher baseline levels of protein SNO and associated with this, reduced susceptibility to myocardial ischemia-reperfusion injury. Female hearts also exhibit enhanced S-nitrosoglutathione reductase (GSNO-R) activity, which would typically favor decreased SNO levels as GSNO-R mediates SNO catabolism. OBJECTIVE Because female hearts exhibit higher SNO levels, we hypothesized that GSNO-R is an essential component of sex-dependent cardioprotection in females. METHODS AND RESULTS Male and female wild-type mouse hearts were subjected to ex vivo ischemia-reperfusion injury with or without GSNO-R inhibition (N6022). Control female hearts exhibited enhanced functional recovery and decreased infarct size versus control males. Interestingly, GSNO-R inhibition reversed this sex disparity, significantly reducing injury in male hearts, and exacerbating injury in females. Similar results were obtained with male and female GSNO-R-/- hearts using ex vivo and in vivo models of ischemia-reperfusion injury. Assessment of SNO levels using SNO-resin assisted capture revealed an increase in total SNO levels with GSNO-R inhibition in males, whereas total SNO levels remained unchanged in females. However, we found that although GSNO-R inhibition significantly increased SNO at the cardioprotective Cys39 residue of nicotinamide adenine dinucleotide (NADH) dehydrogenase subunit 3 in males, SNO-NADH dehydrogenase subunit 3 levels were surprisingly reduced in N6022-treated female hearts. Because GSNO-R also acts as a formaldehyde dehydrogenase, we examined postischemic formaldehyde levels and found that they were nearly 2-fold higher in N6022-treated female hearts compared with nontreated hearts. Importantly, the mitochondrial aldehyde dehydrogenase 2 activator, Alda-1, rescued the phenotype in GSNO-R-/- female hearts, significantly reducing infarct size. CONCLUSIONS These striking findings point to GSNO-R as a critical sex-dependent mediator of myocardial protein SNO and formaldehyde levels and further suggest that different therapeutic strategies may be required to combat ischemic heart disease in males and females.
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Affiliation(s)
- Kevin M Casin
- From the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (K.M.C., J.F., N.M., R.J.V., A.C., A.S.P., S.B., M.J.K.)
| | - Jonathan Fallica
- From the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (K.M.C., J.F., N.M., R.J.V., A.C., A.S.P., S.B., M.J.K.)
| | - Nathan Mackowski
- From the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (K.M.C., J.F., N.M., R.J.V., A.C., A.S.P., S.B., M.J.K.)
| | - Ryne J Veenema
- From the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (K.M.C., J.F., N.M., R.J.V., A.C., A.S.P., S.B., M.J.K.)
| | - Ashley Chan
- From the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (K.M.C., J.F., N.M., R.J.V., A.C., A.S.P., S.B., M.J.K.)
| | - Amanda St Paul
- From the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (K.M.C., J.F., N.M., R.J.V., A.C., A.S.P., S.B., M.J.K.)
| | - Guangshuo Zhu
- Cardiology Division, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD (G.Z., D.B.)
| | - Djahida Bedja
- Cardiology Division, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD (G.Z., D.B.)
| | - Shyam Biswal
- From the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (K.M.C., J.F., N.M., R.J.V., A.C., A.S.P., S.B., M.J.K.)
| | - Mark J Kohr
- From the Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (K.M.C., J.F., N.M., R.J.V., A.C., A.S.P., S.B., M.J.K.)
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78
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Yuan Y, Pan B, Niu X, Yao X, Sun M, Xu M, Zhu Q. Impacts of epicatechin on the formation of advanced lipid oxidation end products (ALEs) in a fish oil oxidation model. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.05.081] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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79
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Rasinska E, Rutkowska J, Czarniecka-Skubina E, Tambor K. Effects of cooking methods on changes in fatty acids contents, lipid oxidation and volatile compounds of rabbit meat. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.04.067] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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80
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Yang B, Fritsche KL, Beversdorf DQ, Gu Z, Lee JC, Folk WR, Greenlief CM, Sun GY. Yin-Yang Mechanisms Regulating Lipid Peroxidation of Docosahexaenoic Acid and Arachidonic Acid in the Central Nervous System. Front Neurol 2019; 10:642. [PMID: 31275232 PMCID: PMC6591372 DOI: 10.3389/fneur.2019.00642] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 05/31/2019] [Indexed: 12/11/2022] Open
Abstract
Phospholipids in the central nervous system (CNS) are rich in polyunsaturated fatty acids (PUFAs), particularly arachidonic acid (ARA) and docosahexaenoic acid (DHA). Besides providing physical properties to cell membranes, these PUFAs are metabolically active and undergo turnover through the “deacylation-reacylation (Land's) cycle”. Recent studies suggest a Yin-Yang mechanism for metabolism of ARA and DHA, largely due to different phospholipases A2 (PLA2s) mediating their release. ARA and DHA are substrates of cyclooxygenases and lipoxygenases resulting in an array of lipid mediators, which are pro-inflammatory and pro-resolving. The PUFAs are susceptible to peroxidation by oxygen free radicals, resulting in the production of 4-hydroxynonenal (4-HNE) from ARA and 4-hydroxyhexenal (4-HHE) from DHA. These alkenal electrophiles are reactive and capable of forming adducts with proteins, phospholipids and nucleic acids. The perceived cytotoxic and hormetic effects of these hydroxyl-alkenals have impacted cell signaling pathways, glucose metabolism and mitochondrial functions in chronic and inflammatory diseases. Due to the high levels of DHA and ARA in brain phospholipids, this review is aimed at providing information on the Yin-Yang mechanisms for regulating these PUFAs and their lipid peroxidation products in the CNS, and implications of their roles in neurological disorders.
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Affiliation(s)
- Bo Yang
- Department of Chemistry, University of Missouri, Columbia, MO, United States
| | - Kevin L Fritsche
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States
| | - David Q Beversdorf
- Departments of Radiology, Neurology and Psychological Sciences, and the Thompson Center, Columbia, MO, United States
| | - Zezong Gu
- Department of Pathology and Anatomical Sciences, University of Missouri, Columbia, MO, United States
| | - James C Lee
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, United States
| | - William R Folk
- Biochemistry Department, University of Missouri, Columbia, MO, United States
| | - C Michael Greenlief
- Department of Chemistry, University of Missouri, Columbia, MO, United States
| | - Grace Y Sun
- Biochemistry Department, University of Missouri, Columbia, MO, United States
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81
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Ma L, Liu G, Liu X. Malondialdehyde, 4‐Hydroxy‐2‐Hexenal, and 4‐Hydroxy‐2‐Nonenal in Vegetable Oils: Formation Kinetics and Application as Oxidation Indicators. EUR J LIPID SCI TECH 2019. [DOI: 10.1002/ejlt.201900040] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Lukai Ma
- School of Food Science and EngineeringSouth China University of TechnologyGuangzhou 510640China
| | - Guoqin Liu
- School of Food Science and EngineeringSouth China University of TechnologyGuangzhou 510640China
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product SafetySouth China University of TechnologyGuangzhou 510640China
| | - Xinqi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthBeijing Technology and Business UniversityBeijing 100048China
- School of Food and Chemical EngineeringBeijing Technology and Business UniversityBeijing 100048China
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82
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Ma L, Liu G, Zhang H, Liu X. Understanding the difference of 4‐hydroxyhexenal and 4‐hydroxynonenal formation in various vegetable oils during thermal processes by kinetic and thermodynamic study. Int J Food Sci Technol 2019. [DOI: 10.1111/ijfs.14191] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Lukai Ma
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Products Safety Ministry of Education Engineering Research Center of Starch & Protein Processing School of Food Science and Engineering South China University of Technology Guangzhou 510640 China
| | - Guoqin Liu
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Products Safety Ministry of Education Engineering Research Center of Starch & Protein Processing School of Food Science and Engineering South China University of Technology Guangzhou 510640 China
| | - Hua Zhang
- Facility of Food Science School of Agriculture Yanbian University Yanji 133000 China
| | - Xinqi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health School of Food and Chemical Engineering Beijing Technology and Business University Beijing 100048 China
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83
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Hill RL, Singh IN, Wang JA, Hall ED. Effects of Phenelzine Administration on Mitochondrial Function, Calcium Handling, and Cytoskeletal Degradation after Experimental Traumatic Brain Injury. J Neurotrauma 2019; 36:1231-1251. [PMID: 30358485 PMCID: PMC6479250 DOI: 10.1089/neu.2018.5946] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Traumatic brain injury (TBI) results in the production of peroxynitrite (PN), leading to oxidative damage of lipids and protein. PN-mediated lipid peroxidation (LP) results in production of reactive aldehydes 4-hydroxynonenal (4-HNE) and acrolein. The goal of these studies was to explore the hypothesis that interrupting secondary oxidative damage following a TBI via phenelzine (PZ), analdehyde scavenger, would protect against LP-mediated mitochondrial and neuronal damage. Male Sprague-Dawley rats received a severe (2.2 mm) controlled cortical impact (CCI)-TBI. PZ was administered subcutaneously (s.c.) at 15 min (10 mg/kg) and 12 h (5 mg/kg) post-injury and for the therapeutic window/delay study, PZ was administered at 1 h (10 mg/kg) and 24 h (5 mg/kg). Mitochondrial and cellular protein samples were obtained at 24 and 72 h post-injury (hpi). Administration of PZ significantly improved mitochondrial respiration at 24 and 72 h compared with vehicle-treated animals. These results demonstrate that PZ administration preserves mitochondrial bioenergetics at 24 h and that this protection is maintained out to 72 hpi. Additionally, delaying the administration still elicited significant protective effects. PZ administration also improved mitochondrial Ca2+ buffering (CB) capacity and mitochondrial membrane potential parameters compared with vehicle-treated animals at 24 h. Although PZ treatment attenuated aldehyde accumulation post-injury, the effects were insignificant. The amount of α-spectrin breakdown in cortical tissue was reduced by PZ administration at 24 h, but not at 72 hpi compared with vehicle-treated animals. In conclusion, these results indicate that acute PZ treatment successfully attenuates LP-mediated oxidative damage eliciting multiple neuroprotective effects following TBI.
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Affiliation(s)
- Rachel L. Hill
- Spinal Cord and Brain Injury Research Center (SCoBIRC), University of Kentucky College of Medicine, Lexington, Kentucky
| | - Indrapal N. Singh
- Spinal Cord and Brain Injury Research Center (SCoBIRC), University of Kentucky College of Medicine, Lexington, Kentucky
- Department of Neuroscience, University of Kentucky College of Medicine, Lexington, Kentucky
| | - Juan A. Wang
- Spinal Cord and Brain Injury Research Center (SCoBIRC), University of Kentucky College of Medicine, Lexington, Kentucky
| | - Edward D. Hall
- Spinal Cord and Brain Injury Research Center (SCoBIRC), University of Kentucky College of Medicine, Lexington, Kentucky
- Department of Neuroscience, University of Kentucky College of Medicine, Lexington, Kentucky
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84
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Alché JDD. A concise appraisal of lipid oxidation and lipoxidation in higher plants. Redox Biol 2019; 23:101136. [PMID: 30772285 PMCID: PMC6859586 DOI: 10.1016/j.redox.2019.101136] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 01/31/2019] [Accepted: 02/05/2019] [Indexed: 01/06/2023] Open
Abstract
Polyunsaturated fatty acids present in plant membranes react with reactive oxygen species through so-called lipid oxidation events. They generate great diversity of highly-reactive lipid-derived chemical species, which may be further degraded enzymatically or non-enzymatically originating new components like Reactive Carbonyl Species (RCS). Such RCS are able to selectively react with proteins frequently producing loss of function through lipoxidation reactions. Although a basal concentration of lipoxidation products exists in plants (likely involved in signaling), their concentration and variability growth exponentially when plants are subjected to biotic/abiotic stresses. Such conditions typically increase the presence of ROS and the expression of antioxidant enzymes, together with RCS and also metabolites resulting from their reaction with proteins (advanced lipoxidation endproducts, ALE), in those plants susceptible to stress. On the contrary, plants designed as resistant may or may not display enhanced levels of ROS and antioxidant enzymes, whereas levels of lipid oxidation markers as malondialdehyde (MDA) are typically reduced. Great efforts have been made in order to develop methods to identify and quantify RCS, ALE, and other adducts with high sensitivity. Many of these methods are applied to the analysis of plant physiology and stress resistance, although their use has been extended to the control of the processing and conservation parameters of foodstuffs derived from plants. These foods may accumulate either lipid oxidation/lipoxidation products, or antioxidants like polyphenols, which are sometimes critical for their organoleptic properties, nutritional value, and health-promoting or detrimental characteristics. Future directions of research on different topics involving these chemical changes are also discussed. Lipid (per)oxidation occurs in plants as a signaling mechanism and after stress. Electrophylic mediators are widely used to assess plant physiology. Few lypoxidation targets have been identified in plants, mainly related to stress. Lipoxidation frequently inactivates or highly affects enzyme activity in plants. Lipid oxidation/lipoxidation affect the quality and healthy properties of plant foods.
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Affiliation(s)
- Juan de Dios Alché
- Plant Reproductive Biology Laboratory. Estación Experimental del Zaidín. Spanish National Research Council (CSIC), Profesor Albareda 1, 18008 Granada, Spain.
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85
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Ma L, Liu G, Cheng W, Liu X, Liu H, Wang Q. Matrix-mediated distribution of 4-hydroxy-2-hexanal (nonenal) during deep-frying of chicken breast and potato sticks in vegetable oil. Food Funct 2019; 10:7052-7062. [DOI: 10.1039/c9fo01878f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The distribution of HHE/HNE was mediated in different food matrices, namely, starch-based and protein-based foods, during deep-frying of vegetable oils.
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Affiliation(s)
- Lukai Ma
- College of Light Industry and Food
- Zhongkai University of Agriculture and Engineering
- Guangzhou
- China
| | - Guoqin Liu
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Products Safety
- School of Food Science and Engineering
- South China University of Technology
- Guangzhou 510640
- China
| | - Weiwei Cheng
- College of Food Science
- South China Agricultural University
- Guangzhou 510640
- China
| | - Xinqi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health
- School of Food and Chemical Engineering
- Beijing Technology and Business University
- Beijing 100048
- China
| | - Huifan Liu
- College of Light Industry and Food
- Zhongkai University of Agriculture and Engineering
- Guangzhou
- China
| | - Qin Wang
- College of Light Industry and Food
- Zhongkai University of Agriculture and Engineering
- Guangzhou
- China
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86
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Ma L, Liu G, Cheng W, Liu X. The distribution of 4‐hydroxy‐hexenal and 4‐hydroxy‐nonenal in different vegetable oils and their formation from fatty acid methyl esters. Int J Food Sci Technol 2018. [DOI: 10.1111/ijfs.14061] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Lukai Ma
- School of Food Science and Engineering South China University of Technology Guangzhou 510640 China
| | - Guoqin Liu
- School of Food Science and Engineering South China University of Technology Guangzhou 510640 China
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Products Safety South China University of Technology Guangzhou 510640 China
| | - Weiwei Cheng
- School of Food Science and Engineering South China University of Technology Guangzhou 510640 China
| | - Xinqi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health Beijing Technology and Business University Beijing 100048 China
- School of Food and Chemical Engineering Beijing Technology and Business University Beijing 100048 China
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87
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Afonso CB, Spickett CM. Lipoproteins as targets and markers of lipoxidation. Redox Biol 2018; 23:101066. [PMID: 30579928 PMCID: PMC6859580 DOI: 10.1016/j.redox.2018.101066] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 11/28/2018] [Accepted: 12/05/2018] [Indexed: 12/24/2022] Open
Abstract
Lipoproteins are essential systemic lipid transport particles, composed of apolipoproteins embedded in a phospholipid and cholesterol monolayer surrounding a cargo of diverse lipid species. Many of the lipids present are susceptible to oxidative damage by lipid peroxidation, giving rise to the formation of reactive lipid peroxidation products (rLPPs). In view of the close proximity of the protein and lipid moieties within lipoproteins, the probability of adduct formation between rLPPs and amino acid residues of the proteins, a process called lipoxidation, is high. There has been interest for many years in the biological effects of such modifications, but the field has been limited to some extent by the availability of methods to determine the sites and exact nature of such modification. More recently, the availability of a wide range of antibodies to lipoxidation products, as well as advances in analytical techniques such as liquid chromatography tandem mass spectrometry (LC-MSMS), have increased our knowledge substantially. While most work has focused on LDL, oxidation of which has long been associated with pro-inflammatory responses and atherosclerosis, some studies on HDL, VLDL and Lipoprotein(a) have also been reported. As the broader topic of LDL oxidation has been reviewed previously, this review focuses on lipoxidative modifications of lipoproteins, from the historical background through to recent advances in the field. We consider the main methods of analysis for detecting rLPP adducts on apolipoproteins, including their advantages and disadvantages, as well as the biological effects of lipoxidized lipoproteins and their potential roles in diseases. Lipoproteins can be modified by reactive Lipid Peroxidation Products (rLPPs). Lipoprotein lipoxidation is known to occur in several inflammatory diseases. Biochemical, immunochemical and mass spectrometry methods can detect rLPP adducts. Due to higher information output, MS can facilitate localization of modifications. Antibodies against some rLPPs have been used to identify lipoxidation in vivo.
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Affiliation(s)
- Catarina B Afonso
- School of Life and Health Sciences, Aston University, Aston Triangle, Aston University, Birmingham B4 7ET, UK
| | - Corinne M Spickett
- School of Life and Health Sciences, Aston University, Aston Triangle, Aston University, Birmingham B4 7ET, UK.
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88
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Kröncke N, Böschen V, Woyzichovski J, Demtröder S, Benning R. Comparison of suitable drying processes for mealworms (Tenebrio molitor). INNOV FOOD SCI EMERG 2018. [DOI: 10.1016/j.ifset.2018.10.009] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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89
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Ma L, Liu G, Liu X. Amounts of malondialdehyde do not accurately represent the real oxidative level of all vegetable oils: a kinetic study of malondialdehyde formation. Int J Food Sci Technol 2018. [DOI: 10.1111/ijfs.13952] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Lukai Ma
- School of Food Science and Engineering; South China University of Technology; Guangzhou 510640 China
| | - Guoqin Liu
- School of Food Science and Engineering; South China University of Technology; Guangzhou 510640 China
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety; South China University of Technology; Guangzhou 510640 China
| | - Xinqi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health; Beijing Technology and Business University; Beijing 100048 China
- School of Food and Chemical Engineering; Beijing Technology and Business University; Beijing 100048 China
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90
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Higashi T, Mai Y, Mazaki Y. Protein kinase C-dependent cell damage by unsaturated carbonyl compounds in vascular cells. J Biosci Bioeng 2018; 126:527-532. [DOI: 10.1016/j.jbiosc.2018.04.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 03/26/2018] [Accepted: 04/27/2018] [Indexed: 11/26/2022]
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91
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Cherkas A, Zarkovic N. 4-Hydroxynonenal in Redox Homeostasis of Gastrointestinal Mucosa: Implications for the Stomach in Health and Diseases. Antioxidants (Basel) 2018; 7:E118. [PMID: 30177630 PMCID: PMC6162398 DOI: 10.3390/antiox7090118] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 08/22/2018] [Accepted: 08/30/2018] [Indexed: 12/11/2022] Open
Abstract
Maintenance of integrity and function of the gastric mucosa (GM) requires a high regeneration rate of epithelial cells during the whole life span. The health of the gastric epithelium highly depends on redox homeostasis, antioxidant defense, and activity of detoxifying systems within the cells, as well as robustness of blood supply. Bioactive products of lipid peroxidation, in particular, second messengers of free radicals, the bellwether of which is 4-hydroxynonenal (HNE), are important mediators in physiological adaptive reactions and signaling, but they are also thought to be implicated in the pathogenesis of numerous gastric diseases. Molecular mechanisms and consequences of increased production of HNE, and its protein adducts, in response to stressors during acute and chronic gastric injury, are well studied. However, several important issues related to the role of HNE in gastric carcinogenesis, tumor growth and progression, the condition of GM after eradication of Helicobacter pylori, or the relevance of antioxidants for HNE-related redox homeostasis in GM, still need more studies and new comprehensive approaches. In this regard, preclinical studies and clinical intervention trials are required, which should also include the use of state-of-the-art analytical techniques, such as HNE determination by immunohistochemistry and enzyme-linked immunosorbent assay (ELISA), as well as modern mass-spectroscopy methods.
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Affiliation(s)
- Andriy Cherkas
- Department of Internal Medicine #1, Danylo Halystkyi Lviv National Medical University, 79010 Lviv, Ukraine.
| | - Neven Zarkovic
- Laboratory for Oxidative Stress (LabOS), Institute "Rudjer Boskovic", HR-10000 Zagreb, Croatia.
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92
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Galano A, Reiter RJ. Melatonin and its metabolites vs oxidative stress: From individual actions to collective protection. J Pineal Res 2018; 65:e12514. [PMID: 29888508 DOI: 10.1111/jpi.12514] [Citation(s) in RCA: 197] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 06/05/2018] [Indexed: 12/11/2022]
Abstract
Oxidative stress (OS) represents a threat to the chemical integrity of biomolecules including lipids, proteins, and DNA. The associated molecular damage frequently results in serious health issues, which justifies our concern about this phenomenon. In addition to enzymatic defense mechanisms, there are compounds (usually referred to as antioxidants) that offer chemical protection against oxidative events. Among them, melatonin and its metabolites constitute a particularly efficient chemical family. They offer protection against OS as individual chemical entities through a wide variety of mechanisms including electron transfer, hydrogen transfer, radical adduct formation, and metal chelation, and by repairing biological targets. In fact, many of them including melatonin can be classified as multipurpose antioxidants. However, what seems to be unique to the melatonin's family is their collective effects. Because the members of this family are metabolically related, most of them are expected to be present in living organisms wherever melatonin is produced. Therefore, the protection exerted by melatonin against OS may be viewed as a result of the combined antioxidant effects of the parent molecule and its metabolites. Melatonin's family is rather exceptional in this regard, offering versatile and collective antioxidant protection against OS. It certainly seems that melatonin is one of the best nature's defenses against oxidative damage.
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Affiliation(s)
- Annia Galano
- Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, México City, México
| | - Russel J Reiter
- Department of Cellular and Structural Biology, UT Health Science Center, San Antonio, TX, USA
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93
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Colzani M, Regazzoni L, Criscuolo A, Baron G, Carini M, Vistoli G, Lee YM, Han SI, Aldini G, Yeum KJ. Isotopic labelling for the characterisation of HNE-sequestering agents in plant-based extracts and its application for the identification of anthocyanidins in black rice with giant embryo. Free Radic Res 2018; 52:896-906. [PMID: 30035649 DOI: 10.1080/10715762.2018.1490735] [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] [Indexed: 02/07/2023]
Abstract
Reactive carbonyl species (RCS) are cytotoxic molecules that originate from lipid peroxidation and sugar oxidation. Natural derivatives can be an attractive source of potential RCS scavenger. However, the lack of analytical methods to screen and identify bioactive compounds contained in complex matrices has hindered their identification. The sequestering actions of various rice extracts on RCS have been determined using ubiquitin and 4-hydroxy-2-nonenal (HNE) as a protein and RCS model, respectively. Black rice with giant embryo extract was found to be the most effective among various rice varieties. The identification of bioactive compounds was then carried out by an isotopic signature profile method using the characteristic isotopic ion cluster generated by the mixture of HNE: 2H5-HNE mixed at a 1:1 stoichiometric ratio. An in-house database was used to obtain the structures of the possible bioactive components. The identified compounds were further confirmed as HNE sequestering agents through HPLC-UV analysis.
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Affiliation(s)
- Mara Colzani
- a Department of Pharmaceutical Sciences , University of Milan , Milan , Italy
| | - Luca Regazzoni
- a Department of Pharmaceutical Sciences , University of Milan , Milan , Italy
| | - Angela Criscuolo
- a Department of Pharmaceutical Sciences , University of Milan , Milan , Italy
| | - Giovanna Baron
- a Department of Pharmaceutical Sciences , University of Milan , Milan , Italy
| | - Marina Carini
- a Department of Pharmaceutical Sciences , University of Milan , Milan , Italy
| | - Giulio Vistoli
- a Department of Pharmaceutical Sciences , University of Milan , Milan , Italy
| | - Yoon-Mi Lee
- b Division of Food Bioscience, College of Biomedical and Health Sciences , Konkuk University , Chungju-si , South Korea
| | - Sang-Ik Han
- c National Institute of Crop Science, Rural Development Administration , Suwon-si , South Korea
| | - Giancarlo Aldini
- a Department of Pharmaceutical Sciences , University of Milan , Milan , Italy
| | - Kyung-Jin Yeum
- b Division of Food Bioscience, College of Biomedical and Health Sciences , Konkuk University , Chungju-si , South Korea
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94
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Wang Z, He Z, Gan X, Li H. The Effects of Lipid Oxidation Product Acrolein on the Structure and Gel Properties of Rabbit Meat Myofibrillar Proteins. FOOD BIOPHYS 2018. [DOI: 10.1007/s11483-018-9543-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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95
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Isoprostanoids in Clinical and Experimental Neurological Disease Models. Antioxidants (Basel) 2018; 7:antiox7070088. [PMID: 29997375 PMCID: PMC6071265 DOI: 10.3390/antiox7070088] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 06/28/2018] [Accepted: 07/09/2018] [Indexed: 12/13/2022] Open
Abstract
Isoprostanoids are a large family of compounds derived from non-enzymatic oxidation of polyunsaturated fatty acids (PUFAs). Unlike other oxidative stress biomarkers, they provide unique information on the precursor of the targeted PUFA. Although they were discovered about a quarter of century ago, the knowledge on the role of key isoprostanoids in the pathogenesis of experimental and human disease models remains limited. This is mainly due to the limited availability of highly purified molecules to be used as a reference standard in the identification of biological samples. The accurate knowledge on their biological relevance is the critical step that could be translated from some mere technical/industrial advances into a reliable biological disease marker which is helpful in deciphering the oxidative stress puzzle related to neurological disorders. Recent research indicates the value of isoprostanoids in predicting the clinical presentation and evolution of the neurological diseases. This review focuses on the relevance of isoprostanoids as mediators and potential biomarkers in neurological diseases, a heterogeneous family ranging from rare brain diseases to major health conditions that could have worldwide socioeconomic impact in the health sector. The current challenge is to identify the preferential biochemical pathways that actually follow the oxidative reactions in the neurological diseases and the consequence of the specific isoprostanes in the underlying pathogenic mechanisms.
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96
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Yang B, Li R, Michael Greenlief C, Fritsche KL, Gu Z, Cui J, Lee JC, Beversdorf DQ, Sun GY. Unveiling anti-oxidative and anti-inflammatory effects of docosahexaenoic acid and its lipid peroxidation product on lipopolysaccharide-stimulated BV-2 microglial cells. J Neuroinflammation 2018; 15:202. [PMID: 29986724 PMCID: PMC6038194 DOI: 10.1186/s12974-018-1232-3] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Accepted: 06/20/2018] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Phospholipids in the central nervous system are enriched in n-3 and n-6 polyunsaturated fatty acids (PUFA), especially docosahexaenoic acid (DHA) and arachidonic acid (ARA). These PUFA can undergo enzymatic reactions to produce lipid mediators, as well as reaction with oxygen free radicals to produce 4-hydroxyhexenal (4-HHE) from DHA and 4-hydroxynonenal (4-HNE) from ARA. Recent studies demonstrated pleiotropic properties of these peroxidation products through interaction with oxidative and anti-oxidant response pathways. In this study, BV-2 microglial cells were used to investigate ability for DHA, 4-HHE, and 4-HNE to stimulate the anti-oxidant stress responses involving the nuclear factor erythroid-2-related factor 2 (Nrf2) pathway and synthesis of heme oxygenase (HO-1), as well as to mitigate lipopolysaccharide (LPS)-induced nitric oxide (NO), reactive oxygen species (ROS), and cytosolic phospholipase A2 (cPLA2). In addition, LC-MS/MS analysis was carried out to examine effects of exogenous DHA and LPS stimulation on endogenous 4-HHE and 4-HNE levels in BV-2 microglial cells. METHODS Effects of DHA, 4-HHE, and 4-HNE on LPS-induced NO production was determined using the Griess reagent. LPS-induced ROS production was measured using CM-H2DCFDA. Western blots were used to analyze expression of p-cPLA2, Nrf2, and HO-1. Cell viability and cytotoxicity were measured using the WST-1 assay, and cell protein concentrations were measured using the BCA protein assay kit. An ultra-high-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis was used to determine levels of free 4-HHE and 4-HNE in cells. RESULTS DHA (12.5-100 μM), 4-HHE (1.25-10 μM), and 4-HNE (1.25-10 μM) dose dependently suppressed LPS-induced production of NO, ROS, and as p-cPLA2 in BV-2 microglial cells. With the same concentrations, these compounds could enhance Nrf2 and HO-1 expression in these cells. Based on the estimated IC50 values, 4-HHE and 4-HNE were five- to tenfold more potent than DHA in inhibiting LPS-induced NO, ROS, and p-cPLA2. LC-MS/MS analysis indicated ability for DHA (10-50 μM) to increase levels of 4-HHE and attenuate levels of 4-HNE in BV-2 microglial cells. Stimulation of cells with LPS caused an increase in 4-HNE which could be abrogated by cPLA2 inhibitor. In contrast, bromoenol lactone (BEL), a specific inhibitor for the Ca2+-independent phospholipase A2 (iPLA2), could only partially suppress levels of 4-HHE induced by DHA or DHA + LPS. CONCLUSIONS This study demonstrated the ability of DHA and its lipid peroxidation products, namely, 4-HHE and 4-HNE at 1.25-10 μM, to enhance Nrf2/HO-1 and mitigate LPS-induced NO, ROS, and p-cPLA2 in BV-2 microglial cells. In addition, LC-MS/MS analysis of the levels of 4-HHE and 4-HNE in microglial cells demonstrates that increases in production of 4-HHE from DHA and 4-HNE from LPS are mediated by different mechanisms.
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Affiliation(s)
- Bo Yang
- Chemistry Department, University of Missouri, Columbia, MO, USA
| | - Runting Li
- Biochemistry Department, University of Missouri, 117 Schweitzer Hall, Columbia, MO, 65211, USA
| | | | - Kevin L Fritsche
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, USA
| | - Zezong Gu
- Department of Pathology and Anatomical Sciences, University of Missouri, Columbia, MO, USA
| | - Jiankun Cui
- Department of Pathology and Anatomical Sciences, University of Missouri, Columbia, MO, USA
| | - James C Lee
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, USA
| | - David Q Beversdorf
- Departments of Radiology, Neurology and Psychological Sciences, University of Missouri, Columbia, MO, USA
| | - Grace Y Sun
- Biochemistry Department, University of Missouri, 117 Schweitzer Hall, Columbia, MO, 65211, USA. .,Department of Pathology and Anatomical Sciences, University of Missouri, Columbia, MO, USA.
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97
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Cobley JN, Fiorello ML, Bailey DM. 13 reasons why the brain is susceptible to oxidative stress. Redox Biol 2018; 15:490-503. [PMID: 29413961 PMCID: PMC5881419 DOI: 10.1016/j.redox.2018.01.008] [Citation(s) in RCA: 668] [Impact Index Per Article: 111.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 01/16/2018] [Accepted: 01/17/2018] [Indexed: 12/12/2022] Open
Abstract
The human brain consumes 20% of the total basal oxygen (O2) budget to support ATP intensive neuronal activity. Without sufficient O2 to support ATP demands, neuronal activity fails, such that, even transient ischemia is neurodegenerative. While the essentiality of O2 to brain function is clear, how oxidative stress causes neurodegeneration is ambiguous. Ambiguity exists because many of the reasons why the brain is susceptible to oxidative stress remain obscure. Many are erroneously understood as the deleterious result of adventitious O2 derived free radical and non-radical species generation. To understand how many reasons underpin oxidative stress, one must first re-cast free radical and non-radical species in a positive light because their deliberate generation enables the brain to achieve critical functions (e.g. synaptic plasticity) through redox signalling (i.e. positive functionality). Using free radicals and non-radical derivatives to signal sensitises the brain to oxidative stress when redox signalling goes awry (i.e. negative functionality). To advance mechanistic understanding, we rationalise 13 reasons why the brain is susceptible to oxidative stress. Key reasons include inter alia unsaturated lipid enrichment, mitochondria, calcium, glutamate, modest antioxidant defence, redox active transition metals and neurotransmitter auto-oxidation. We review RNA oxidation as an underappreciated cause of oxidative stress. The complex interplay between each reason dictates neuronal susceptibility to oxidative stress in a dynamic context and neural identity dependent manner. Our discourse sets the stage for investigators to interrogate the biochemical basis of oxidative stress in the brain in health and disease.
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Affiliation(s)
- James Nathan Cobley
- Free Radical Laboratory, Departments of Diabetes and Cardiovascular Sciences, Centre for Health Sciences, University of the Highlands and Islands, Inverness IV2 3HJ, UK.
| | - Maria Luisa Fiorello
- Free Radical Laboratory, Departments of Diabetes and Cardiovascular Sciences, Centre for Health Sciences, University of the Highlands and Islands, Inverness IV2 3HJ, UK
| | - Damian Miles Bailey
- Neurovascular Research Laboratory, Faculty of Life Sciences and Education, University of South Wales, Wales, CF37 4AT, UK
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98
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Velasco J, Morales-Barroso A, Ruiz-Méndez MV, Márquez-Ruiz G. Quantitative determination of major oxidation products in edible oils by direct NP-HPLC-DAD analysis. J Chromatogr A 2018; 1547:62-70. [PMID: 29559268 DOI: 10.1016/j.chroma.2018.03.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 03/10/2018] [Indexed: 12/12/2022]
Abstract
The objective of the present study was to explore the possibilities of the direct analysis of vegetable oils by normal-phase HPLC-DAD to evaluate the amounts of the main oxidation products of triacylglycerols containing linoleate, i.e. hydroperoxy-, keto- and hydroxy-dienes. A follow-up of oxidation at 40 °C of trilinolein, used as a simplified model lipid system, high-linoleic sunflower oil and high-oleic sunflower oil was performed to evaluate samples with different fatty acid compositions and different oxidation levels. The results showed that the HPLC-DAD method proposed allows for determining the concentrations of mono-hydroperoxydienes in edible oils without applying any isolation or derivatization step. The method was found to be direct, sensitive (LOQ 0.06 mmol/kg oil), precise (CV ≤ 5%) and also accurate, with 99% of analyte recovery. It also enabled the estimation of the minor amounts of ketodienes, but not those of hydroxydienes, which presented wide chromatographic bands and coeluted with a number of different minor oxidation compounds.
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Affiliation(s)
- Joaquín Velasco
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Campus Universidad Pablo de Olavide, Ctra. de Utrera, km 1, E-41013, Sevilla, Spain.
| | - Arturo Morales-Barroso
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Campus Universidad Pablo de Olavide, Ctra. de Utrera, km 1, E-41013, Sevilla, Spain
| | - M Victoria Ruiz-Méndez
- Instituto de la Grasa, Consejo Superior de Investigaciones Científicas (CSIC), Campus Universidad Pablo de Olavide, Ctra. de Utrera, km 1, E-41013, Sevilla, Spain
| | - Gloria Márquez-Ruiz
- Instituto de Ciencia y Tecnología de Alimentos y Nutrición, Consejo Superior de Investigaciones Científicas (CSIC), c/José Antonio Novais, 10, E-28040, Madrid, Spain
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99
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Sottero B, Leonarduzzi G, Testa G, Gargiulo S, Poli G, Biasi F. Lipid Oxidation Derived Aldehydes and Oxysterols Between Health and Disease. EUR J LIPID SCI TECH 2018. [DOI: 10.1002/ejlt.201700047] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Barbara Sottero
- Department of Clinical and Biological Sciences, San Luigi Hospital, University of Torino; Regione Gonzole 10 10043 Orbassano (Torino) Italy
| | - Gabriella Leonarduzzi
- Department of Clinical and Biological Sciences, San Luigi Hospital, University of Torino; Regione Gonzole 10 10043 Orbassano (Torino) Italy
| | - Gabriella Testa
- Department of Clinical and Biological Sciences, San Luigi Hospital, University of Torino; Regione Gonzole 10 10043 Orbassano (Torino) Italy
| | - Simona Gargiulo
- Department of Clinical and Biological Sciences, San Luigi Hospital, University of Torino; Regione Gonzole 10 10043 Orbassano (Torino) Italy
| | - Giuseppe Poli
- Department of Clinical and Biological Sciences, San Luigi Hospital, University of Torino; Regione Gonzole 10 10043 Orbassano (Torino) Italy
| | - Fiorella Biasi
- Department of Clinical and Biological Sciences, San Luigi Hospital, University of Torino; Regione Gonzole 10 10043 Orbassano (Torino) Italy
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100
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Afonso CB, Sousa BC, Pitt AR, Spickett CM. A mass spectrometry approach for the identification and localization of small aldehyde modifications of proteins. Arch Biochem Biophys 2018; 646:38-45. [PMID: 29580947 DOI: 10.1016/j.abb.2018.03.026] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 03/20/2018] [Accepted: 03/22/2018] [Indexed: 12/29/2022]
Abstract
Lipids containing polyunsaturated fatty acids are primary targets of oxidation, which produces reactive short-chain aldehydes that can covalently modify proteins, a process called lipoxidation. Improved mass spectrometry (MS) methods for the analysis of these adducts in complex biological systems are needed. Lysozyme and human serum albumin (HSA) were used as model proteins to investigate lipoxidation products formed by two short-chain aldehydes, acrolein and pentanal, which are unsaturated and saturated aldehydes respectively. The adducts formed were stabilized by NaBH4 or NaBH3CN reduction and analysed by MS. Analysis of intact modified lysozyme showed a pentanal modification resulting from Schiff's base formation (+70 Da), and up to 8 acrolein adducts, all resulting from Michael addition (+58 Da). Analysis of tryptic digests identified specific histidine, cysteine and lysine residues modified in both lysozyme and HSA, and determined characteristic amino acid-specific fragmentations. Eight different internal fragment ions were found that could be used as general diagnostic ions for pentanal- and acrolein-modified amino acids. The combined use of intact protein analysis and LC-MS/MS methods provided a powerful tool for the identification and localization of aldehyde-protein adducts, and the diagnostic ions will facilitate the development of targeted MS methods for analysis of adducts in more complex samples.
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Affiliation(s)
- Catarina B Afonso
- School of Life and Health Sciences, Aston Triangle, Aston University, Birmingham, UK
| | - Bebiana C Sousa
- School of Life and Health Sciences, Aston Triangle, Aston University, Birmingham, UK
| | - Andrew R Pitt
- School of Life and Health Sciences, Aston Triangle, Aston University, Birmingham, UK
| | - Corinne M Spickett
- School of Life and Health Sciences, Aston Triangle, Aston University, Birmingham, UK.
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