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Duché G, Sanderson JM. The Chemical Reactivity of Membrane Lipids. Chem Rev 2024; 124:3284-3330. [PMID: 38498932 PMCID: PMC10979411 DOI: 10.1021/acs.chemrev.3c00608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 03/20/2024]
Abstract
It is well-known that aqueous dispersions of phospholipids spontaneously assemble into bilayer structures. These structures have numerous applications across chemistry and materials science and form the fundamental structural unit of the biological membrane. The particular environment of the lipid bilayer, with a water-poor low dielectric core surrounded by a more polar and better hydrated interfacial region, gives the membrane particular biophysical and physicochemical properties and presents a unique environment for chemical reactions to occur. Many different types of molecule spanning a range of sizes, from dissolved gases through small organics to proteins, are able to interact with membranes and promote chemical changes to lipids that subsequently affect the physicochemical properties of the bilayer. This Review describes the chemical reactivity exhibited by lipids in their membrane form, with an emphasis on conditions where the lipids are well hydrated in the form of bilayers. Key topics include the following: lytic reactions of glyceryl esters, including hydrolysis, aminolysis, and transesterification; oxidation reactions of alkenes in unsaturated fatty acids and sterols, including autoxidation and oxidation by singlet oxygen; reactivity of headgroups, particularly with reactive carbonyl species; and E/Z isomerization of alkenes. The consequences of reactivity for biological activity and biophysical properties are also discussed.
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Affiliation(s)
- Genevieve Duché
- Génie
Enzimatique et Cellulaire, Université
Technologique de Compiègne, Compiègne 60200, France
| | - John M Sanderson
- Chemistry
Department, Durham University, Durham DH1 3LE, United Kingdom
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Yordanova V, Hazarosova R, Vitkova V, Momchilova A, Robev B, Nikolova B, Krastev P, Nuss P, Angelova MI, Staneva G. Impact of Truncated Oxidized Phosphatidylcholines on Phospholipase A 2 Activity in Mono- and Polyunsaturated Biomimetic Vesicles. Int J Mol Sci 2023; 24:11166. [PMID: 37446342 DOI: 10.3390/ijms241311166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/26/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
The interplay between inflammatory and redox processes is a ubiquitous and critical phenomenon in cell biology that involves numerous biological factors. Among them, secretory phospholipases A2 (sPLA2) that catalyze the hydrolysis of the sn-2 ester bond of phospholipids are key players. They can interact or be modulated by the presence of truncated oxidized phosphatidylcholines (OxPCs) produced under oxidative stress from phosphatidylcholine (PC) species. The present study examined this important, but rarely considered, sPLA2 modulation induced by the changes in biophysical properties of PC vesicles comprising various OxPC ratios in mono- or poly-unsaturated PCs. Being the most physiologically active OxPCs, 1-palmitoyl-2-(5'-oxo-valeroyl)-sn-glycero-3-phosphocholine (POVPC) and 1-palmitoyl-2-glutaryl-sn-glycero-3-phosphocholine (PGPC) have been selected for our study. Using fluorescence spectroscopy methods, we compared the effect of OxPCs on the lipid order as well as sPLA2 activity in large unilamellar vesicles (LUVs) made of the heteroacid PC, either monounsaturated [1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC)], or polyunsaturated [1-palmitoyl-2-docosahexaenoyl-sn-glycero-3-phosphocholine (PDPC)] at a physiological temperature. The effect of OxPCs on vesicle size was also assessed in both the mono- and polyunsaturated PC matrices. Results: OxPCs decrease the membrane lipid order of POPC and PDPC mixtures with PGPC inducing a much larger decrease in comparison with POVPC, indicative that the difference takes place at the glycerol level. Compared with POPC, PDPC was able to inhibit sPLA2 activity showing a protective effect of PDPC against enzyme hydrolysis. Furthermore, sPLA2 activity on its PC substrates was modulated by the OxPC membrane content. POVPC down-regulated sPLA2 activity, suggesting anti-inflammatory properties of this truncated oxidized lipid. Interestingly, PGPC had a dual and opposite effect, either inhibitory or enhancing on sPLA2 activity, depending on the protocol of lipid mixing. This difference may result from the chemical properties of the shortened sn-2-acyl chain residues (aldehyde group for POVPC, and carboxyl for PGPC), being, respectively, zwitterionic or anionic under hydration at physiological conditions.
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Affiliation(s)
- Vesela Yordanova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria
| | - Rusina Hazarosova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria
| | - Victoria Vitkova
- Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee Blvd., 1784 Sofia, Bulgaria
| | - Albena Momchilova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria
| | - Bozhil Robev
- Department of Medical Oncology, University Hospital "Sv. Ivan Rilski", 15 Acad. Ivan Geshov Blvd., 1431 Sofia, Bulgaria
| | - Biliana Nikolova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria
| | - Plamen Krastev
- Cardiology Clinic, University Hospital "St. Ekaterina", 52 Pencho Slaveikov Blvd., 1431 Sofia, Bulgaria
| | - Philippe Nuss
- Centre de Recherche Saint-Antoine, INSERM UMRS 938, Sorbonne Université, 75012 Paris, France
- Department of Psychiatry, Saint-Antoine Hospital, DMU Neuroscience, Sorbonne University, Assistance Publique-Hôpitaux de Paris (AP-HP), 75012 Paris, France
| | - Miglena I Angelova
- Department of Physics, Faculty of Sciences and Engineering, Sorbonne University, 75005 Paris, France
- Matière et Systèmes Complexes (MSC), CNRS UMR 7057, University Paris Cite-Diderot, 75013 Paris, France
| | - Galya Staneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria
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Kim J, An S, Kim Y, Yoon DW, Son SA, Park JW, Jhe W, Park CS, Shin HW. Surface Active Salivary Metabolites Indicate Oxidative Stress and Inflammation in Obstructive Sleep Apnea. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2023; 15:316-335. [PMID: 37075797 DOI: 10.4168/aair.2023.15.3.316] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 10/25/2022] [Accepted: 12/13/2022] [Indexed: 05/17/2023]
Abstract
PURPOSE Obstructive sleep apnea (OSA), a highly prevalent and potentially serious sleep disorder, requires effective screening tools. Saliva is a useful biological fluid with various metabolites that might also influence upper airway patency by affecting surface tension in the upper airway. However, little is known about the composition and role of salivary metabolites in OSA. Therefore, we investigated the metabolomics signature in saliva from the OSA patients and evaluated the associations between identified metabolites and salivary surface tension. METHODS We studied 68 subjects who visited sleep clinic due to the symptoms of OSA. All underwent full-night in-lab polysomnography. Patients with apnea-hypopnea index (AHI) < 10 were classified to the control, and those with AHI ≥ 10 were the OSA groups. Saliva samples were collected before and after sleep. The centrifuged saliva samples were analyzed by liquid chromatography with high-resolution mass spectrometry (ultra-performance liquid chromatography-tandem mass spectrometry; UPLC-MS/MS). Differentially expressed salivary metabolites were identified using open source software (XCMS) and Compound Discoverer 2.1. Metabolite set enrichment analysis (MSEA) was performed using MetaboAnalyst 5.0. The surface tension of the saliva samples was determined by the pendant drop method. RESULTS Three human-derived metabolites (1-palmitoyl-2-[5-hydroxyl-8-oxo-6-octenoyl]-sn-glycerol-3-phosphatidylcholine [PHOOA-PC], 1-palmitoyl-2-[5-keto-8-oxo-6-octenoyl]-sn-glycerol-3-phosphatidylcholine [KPOO-PC], and 9-nitrooleate) were significantly upregulated in the after-sleep salivary samples from the OSA patients compared to the control group samples. Among the candidate metabolites, only PHOOA-PC was correlated with the AHI. In OSA samples, salivary surface tension decreased after sleep. The differences in surface tension were negatively correlated with PHOOA-PC and 9-nitrooleate concentrations. Furthermore, MSEA revealed that arachidonic acid-related metabolism pathways were upregulated in the after-sleep samples from the OSA group. CONCLUSIONS This study revealed that salivary PHOOA-PC was correlated positively with the AHI and negatively with salivary surface tension in the OSA group. Salivary metabolomic analysis may improve our understanding of upper airway dynamics and provide new insights into novel biomarkers and therapeutic targets in OSA.
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Affiliation(s)
- Jiyoung Kim
- Obstructive Upper Airway Research (OUaR) Laboratory, Department of Pharmacology, Seoul National University College of Medicine, Seoul, Korea
- Department of Biomedical Science, Seoul National University Graduate School, Seoul, Korea
- Metabolomics Medical Research Center (MMRC), Seoul National University College of Medicine, Seoul, Korea
- Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Sangmin An
- Department of Physics and Astronomy, Institute of Applied Physics, Seoul National University, Seoul, Korea
- Department of Physics, Research institute of Physics and Chemistry, Jeonbuk National University, Jeonju, Korea
| | - Yisook Kim
- Obstructive Upper Airway Research (OUaR) Laboratory, Department of Pharmacology, Seoul National University College of Medicine, Seoul, Korea
- Department of Biomedical Science, Seoul National University Graduate School, Seoul, Korea
- Metabolomics Medical Research Center (MMRC), Seoul National University College of Medicine, Seoul, Korea
| | - Dae-Wui Yoon
- Obstructive Upper Airway Research (OUaR) Laboratory, Department of Pharmacology, Seoul National University College of Medicine, Seoul, Korea
| | - Soo Ah Son
- Department of Otorhinolaryngology-Head and Neck Surgery, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jong-Wan Park
- Obstructive Upper Airway Research (OUaR) Laboratory, Department of Pharmacology, Seoul National University College of Medicine, Seoul, Korea
- Department of Biomedical Science, Seoul National University Graduate School, Seoul, Korea
- Metabolomics Medical Research Center (MMRC), Seoul National University College of Medicine, Seoul, Korea
- Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul, Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Wonho Jhe
- Department of Physics and Astronomy, Institute of Applied Physics, Seoul National University, Seoul, Korea.
| | - Chan-Soon Park
- Department of Otorhinolaryngology-Head and Neck Surgery, The Catholic University of Korea, St. Vincent's Hospital, Suwon, Korea.
| | - Hyun-Woo Shin
- Obstructive Upper Airway Research (OUaR) Laboratory, Department of Pharmacology, Seoul National University College of Medicine, Seoul, Korea
- Department of Biomedical Science, Seoul National University Graduate School, Seoul, Korea
- Metabolomics Medical Research Center (MMRC), Seoul National University College of Medicine, Seoul, Korea
- Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology-Head and Neck Surgery, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, Seoul, Korea.
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Kuksis A, Pruzanski W. Destruction of polyunsaturated alkyl/acyl and alkenyl/acyl glycerophosphocholine of plasma lipoproteins during incubation with group V and X secretory phospholipase A 2 s. Lipids 2021; 57:91-104. [PMID: 34904243 DOI: 10.1002/lipd.12333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 11/28/2021] [Accepted: 11/30/2021] [Indexed: 11/08/2022]
Abstract
Plasma lipoproteins are carriers of various glycerophospholipids including diacyl, alkenyl/acyl, and alkyl/acyl glycerophosphocholines (GPCs), which become distributed among cells and tissues during metabolism. For metabolic function, these phospholipids require hydrolysis by phospholipases, but the responsible enzymes have not been identified. We had previously shown that after complete digestion of lipoprotein diacyl- and oxo-diacyl-GPCs, degradation of residual alkyl/acyl and alkenyl/acyl GPCs continues, despite the fact that ether lipids are resistant to hydrolysis by Ca2+ -activated secretory PLA2 s and require the presence of the Ca2+ -independent PLA2 . In the course of further investigation, we came across a report by Khaselev and Murphy in which the autoxidative degradation of plasmalogens in the presence of 2,2'-azobis(2-amidinopropane) dihydrochloride (AAPH) proceeded beyond the formation of dihydroperoxides, hydroxides and epoxides, and led to an attack on the enyl bond of the plasmalogen, resulting in formation of 1-OH/2-20:4-GPC and 1-formyl/2-20:4-GPC. Our preliminary investigation indicated that lipoprotein 16:0p/20:4ω6-GPC yielded the same autoxidation products as those reported for synthetic 16:0p/20:4ω6-GPC in the presence of AAPH. Such autoxidative degradation of lipoprotein plasmalogens had not been previously reported with or without AAPH. Subsequent study led to the conclusion that this reaction was not limited to arachidonates, but extended to other polyunsaturated eicosanoids, docosanoids, and tetracosanoids, as well as oligounsaturated octadecanoids. These observations led to a hypothesis that the autoxidative cleavage of the lipoprotein plasmalogens proceeded under the influence of apo-protein-derived free radicals as intermediates of oxidative processes.
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Affiliation(s)
- Arnis Kuksis
- Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada
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Nie J, Yang J, Wei Y, Wei X. The role of oxidized phospholipids in the development of disease. Mol Aspects Med 2020; 76:100909. [PMID: 33023753 DOI: 10.1016/j.mam.2020.100909] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 08/29/2020] [Accepted: 09/21/2020] [Indexed: 02/05/2023]
Abstract
Oxidized phospholipids (OxPLs), complex mixtures of phospholipid oxidation products generated during normal or pathological processes, are increasingly recognized to show bioactive effects on many cellular signalling pathways. There is a growing body of evidence showing that OxPLs play an important role in many diseases, so it is essential to define the specific role of OxPLs in different diseases for the design of disease therapies. In vastly diverse pathological processes, OxPLs act as pro-inflammatory agents and contribute to the progression of many diseases; in addition, they play a role in anti-inflammatory processes, promoting the dissipation of inflammation and inhibiting the progression of some diseases. In addition to participating in the regulation of inflammatory responses, OxPLs affect the occurrence and development of diseases through other pathways, such as apoptosis promotion. In this review, the different and even opposite effects of different OxPL molecular species are discussed. Furthermore, the specific effects of OxPLs in various diseases, as well as the receptor and cellular mechanisms involved, are summarized.
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Affiliation(s)
- Ji Nie
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China; Department of Respiration, First People's Hospital of Yunnan Province, Yunnan, 650032, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, 650032, China
| | - Jing Yang
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China; Melanoma and Sarcoma Medical Oncology Unit, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou, 510060, China; State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Yuquan Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China.
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Parodi AR, Merlo C, Córdoba A, Palopoli C, Ferreyra J, Signorella S, Ferreira ML, Magario I. Application of metal complexes as biomimetic catalysts on glycerol oxidation. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2018.11.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Oehler B, Brack A, Blum R, Rittner HL. Pain Control by Targeting Oxidized Phospholipids: Functions, Mechanisms, Perspectives. Front Endocrinol (Lausanne) 2020; 11:613868. [PMID: 33569042 PMCID: PMC7868524 DOI: 10.3389/fendo.2020.613868] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 11/19/2020] [Indexed: 01/09/2023] Open
Abstract
Within the lipidome oxidized phospholipids (OxPL) form a class of chemically highly reactive metabolites. OxPL are acutely produced in inflamed tissue and act as endogenous, proalgesic (pain-inducing) metabolites. They excite sensory, nociceptive neurons by activating transient receptor potential ion channels, specifically TRPA1 and TRPV1. Under inflammatory conditions, OxPL-mediated receptor potentials even potentiate the action potential firing rate of nociceptors. Targeting OxPL with D-4F, an apolipoprotein A-I mimetic peptide or antibodies like E06, specifically binding oxidized headgroups of phospholipids, can be used to control acute, inflammatory pain syndromes, at least in rodents. With a focus on proalgesic specificities of OxPL, this article discusses, how targeting defined substances of the epilipidome can contribute to mechanism-based therapies against primary and secondary chronic inflammatory or possibly also neuropathic pain.
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Affiliation(s)
- Beatrice Oehler
- Wolfson Center of Age-Related Diseases, IoPPN, Health and Life Science, King’s College London, London, United Kingdom
- Department of Anesthesiology, University Hospital of Heidelberg, Heidelberg, Germany
- Department of Anesthesiology, University Hospital of Würzburg, Würzburg, Germany
| | - Alexander Brack
- Department of Anesthesiology, University Hospital of Würzburg, Würzburg, Germany
| | - Robert Blum
- Institute of Clinical Neurobiology, Department of Neurology, University Hospital of Würzburg, Würzburg, Germany
| | - Heike L. Rittner
- Department of Anesthesiology, University Hospital of Würzburg, Würzburg, Germany
- *Correspondence: Heike L. Rittner,
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Tyurina YY, Tyurin VA, Anthonymuthu T, Amoscato AA, Sparvero LJ, Nesterova AM, Baynard ML, Sun W, He R, Khaitovich P, Vladimirov YA, Gabrilovich DI, Bayır H, Kagan VE. "Redox lipidomics technology: Looking for a needle in a haystack". Chem Phys Lipids 2019; 221:93-107. [PMID: 30928338 PMCID: PMC6714565 DOI: 10.1016/j.chemphyslip.2019.03.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 03/21/2019] [Accepted: 03/24/2019] [Indexed: 02/07/2023]
Abstract
Aerobic life is based on numerous metabolic oxidation reactions as well as biosynthesis of oxygenated signaling compounds. Among the latter are the myriads of oxygenated lipids including a well-studied group of polyunsaturated fatty acids (PUFA) - octadecanoids, eicosanoids, and docosanoids. During the last two decades, remarkable progress in liquid-chromatography-mass spectrometry has led to significant progress in the characterization of oxygenated PUFA-containing phospholipids, thus designating the emergence of a new field of lipidomics, redox lipidomics. Although non-enzymatic free radical reactions of lipid peroxidation have been mostly associated with the aberrant metabolism typical of acute injury or chronic degenerative processes, newly accumulated evidence suggests that enzymatically catalyzed (phospho)lipid oxygenation reactions are essential mechanisms of many physiological pathways. In this review, we discuss a variety of contemporary protocols applicable for identification and quantitative characterization of different classes of peroxidized (phospho)lipids. We describe applications of different types of LCMS for analysis of peroxidized (phospho)lipids, particularly cardiolipins and phosphatidylethanolalmines, in two important types of programmed cell death - apoptosis and ferroptosis. We discuss the role of peroxidized phosphatidylserines in phagocytotic signaling. We exemplify the participation of peroxidized neutral lipids, particularly tri-acylglycerides, in immuno-suppressive signaling in cancer. We also consider new approaches to exploring the spatial distribution of phospholipids in the context of their oxidizability by MS imaging, including the latest achievements in high resolution imaging techniques. We present innovative approaches to the interpretation of LC-MS data, including audio-representation analysis. Overall, we emphasize the role of redox lipidomics as a communication language, unprecedented in diversity and richness, through the analysis of peroxidized (phospho)lipids.
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Affiliation(s)
- Yulia Y Tyurina
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA
| | - Vladimir A Tyurin
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA
| | - Tamil Anthonymuthu
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA; Critical Care Medicine, Pittsburgh, PA, USA
| | - Andrew A Amoscato
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA
| | - Louis J Sparvero
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA
| | - Anastasiia M Nesterova
- Laboratory of Navigational Redox Lipidomics, IM Sechenov Moscow State Medical University, Moscow, Russia
| | - Matthew L Baynard
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA
| | - Wanyang Sun
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA; Anti-stress and Health Research Center, Pharmacy College, Jinan University, Guangzhou, China
| | - RongRong He
- Anti-stress and Health Research Center, Pharmacy College, Jinan University, Guangzhou, China
| | | | - Yuri A Vladimirov
- Laboratory of Navigational Redox Lipidomics, IM Sechenov Moscow State Medical University, Moscow, Russia
| | | | - Hülya Bayır
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA; Critical Care Medicine, Pittsburgh, PA, USA; Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Valerian E Kagan
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA; Pharmacology and Chemical Biology, Pittsburgh, PA, USA; Radiation Oncology, Pittsburgh, PA, USA; Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, USA; Laboratory of Navigational Redox Lipidomics, IM Sechenov Moscow State Medical University, Moscow, Russia.
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Martín-Sierra C, Laranjeira P, Domingues MR, Paiva A. Lipoxidation and cancer immunity. Redox Biol 2019; 23:101103. [PMID: 30658904 PMCID: PMC6859558 DOI: 10.1016/j.redox.2019.101103] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/14/2018] [Accepted: 01/08/2019] [Indexed: 12/11/2022] Open
Abstract
Lipoxidation is a well-known reaction between electrophilic carbonyl species, formed during oxidation of lipids, and specific proteins that, in most cases, causes an alteration in proteins function. This can occur under physiological conditions but, in many cases, it has been associated to pathological process, including cancer. Lipoxidation may have an effect in cancer development through their effects in tumour cells, as well as through the alteration of immune components and the consequent modulation of the immune response. The formation of protein adducts affects different proteins in cancer, triggering different mechanism, such as proliferation, cell differentiation and apoptosis, among others, altering cancer progression. The divergent results obtained documented that the formation of lipoxidation adducts can have either anti-carcinogenic or pro-carcinogenic effects, depending on the cell type affected and the specific adduct formed. Moreover, lipoxidation adducts may alter the immune response, consequently causing either positive or negative alterations in cancer progression. Therefore, in this review, we summarize the effects of lipoxidation adducts in cancer cells and immune components and their consequences in the evolution of different types of cancer.
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Affiliation(s)
- C Martín-Sierra
- Unidade de Gestão Operacional em Citometria, Centro Hospitalar e Universitário de Coimbra (CHUC), Portugal; Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - P Laranjeira
- Unidade de Gestão Operacional em Citometria, Centro Hospitalar e Universitário de Coimbra (CHUC), Portugal; Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - M R Domingues
- Mass Spectrometry Centre, Department of Chemistry & QOPNA, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal; Department of Chemistry & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - A Paiva
- Unidade de Gestão Operacional em Citometria, Centro Hospitalar e Universitário de Coimbra (CHUC), Portugal; Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal; Instituto Politécnico de Coimbra, ESTESC-Coimbra Health School, Ciências Biomédicas Laboratoriais, Portugal.
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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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11
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Stamenkovic A, Pierce GN, Ravandi A. Oxidized lipids: not just another brick in the wall 1. Can J Physiol Pharmacol 2018; 97:473-485. [PMID: 30444647 DOI: 10.1139/cjpp-2018-0490] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Over the past decade, there has been intense investigation in trying to understand the pathological role that oxidized phospholipids play in cardiovascular disease. Phospholipids are targets for oxidation, particularly during conditions of excess free radical generation. Once oxidized, they acquire novel roles uncharacteristic of their precursors. Oxidized phosphatidylcholines have an important role in multiple physiological and pathophysiological conditions including atherosclerosis, neurodegenerative diseases, lung disease, inflammation, and chronic alcohol consumption. Circulating oxidized phosphatidylcholine may also serve as a clinical biomarker. The focus of this review, therefore, will be to summarize existing evidence that oxidized phosphatidylcholine molecules play an important role in cardiovascular pathology.
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Affiliation(s)
- Aleksandra Stamenkovic
- a Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, MB R2H 2A6, Canada.,b Department of Physiology & Pathophysiology, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3T 2N6, Canada
| | - Grant N Pierce
- a Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, MB R2H 2A6, Canada.,b Department of Physiology & Pathophysiology, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3T 2N6, Canada
| | - Amir Ravandi
- a Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, MB R2H 2A6, Canada.,c Interventional Cardiology, Section of Cardiology, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
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12
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Macrophage phenotype and bioenergetics are controlled by oxidized phospholipids identified in lean and obese adipose tissue. Proc Natl Acad Sci U S A 2018; 115:E6254-E6263. [PMID: 29891687 PMCID: PMC6142199 DOI: 10.1073/pnas.1800544115] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Adipose tissue macrophages (ATMs) maintain adipose tissue homeostasis. However, during obesity ATMs become inflammatory, resulting in impaired adipose tissue function. Oxidative stress increases during obesity, which is thought to contribute to adipose tissue inflammation. To date, the connection between oxidative stress and adipose tissue inflammation remain unclear. In this study, we identify two classes of phospholipid oxidation products in lean and obese adipose tissue, which polarize macrophages to an antioxidant or proinflammatory state, respectively. Furthermore, we show that these phospholipids differently affect macrophage cellular metabolism, reflecting the metabolisms of ATMs found in lean and obese adipose tissue. Identification of pathways controlling ATM metabolism will lead to novel therapies for insulin resistance. Adipose tissue macrophages (ATMs) adapt their metabolic phenotype either to maintain lean tissue homeostasis or drive inflammation and insulin resistance in obesity. However, the factors in the adipose tissue microenvironment that control ATM phenotypic polarization and bioenergetics remain unknown. We have recently shown that oxidized phospholipids (OxPL) uniquely regulate gene expression and cellular metabolism in Mox macrophages, but the presence of the Mox phenotype in adipose tissue has not been reported. Here we show, using extracellular flux analysis, that ATMs isolated from lean mice are metabolically inhibited. We identify a unique population of CX3CR1neg/F4/80low ATMs that resemble the Mox (Txnrd1+HO1+) phenotype to be the predominant ATM phenotype in lean adipose tissue. In contrast, ATMs isolated from obese mice had characteristics typical of the M1/M2 (CD11c+CD206+) phenotype with highly activated bioenergetics. Quantifying individual OxPL species in the stromal vascular fraction of murine adipose tissue, using targeted liquid chromatography-mass spectrometry, revealed that high fat diet-induced adipose tissue expansion led to a disproportional increase in full-length over truncated OxPL species. In vitro studies showed that macrophages respond to truncated OxPL species by suppressing bioenergetics and up-regulating antioxidant programs, mimicking the Mox phenotype of ATMs isolated from lean mice. Conversely, full-length OxPL species induce proinflammatory gene expression and an activated bioenergetic profile that mimics ATMs isolated from obese mice. Together, these data identify a redox-regulatory Mox macrophage phenotype to be predominant in lean adipose tissue and demonstrate that individual OxPL species that accumulate in adipose tissue instruct ATMs to adapt their phenotype and bioenergetic profile to either maintain redox homeostasis or to promote inflammation.
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13
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Mohammadi M, Oehler B, Kloka J, Martin C, Brack A, Blum R, Rittner HL. Antinociception by the anti-oxidized phospholipid antibody E06. Br J Pharmacol 2018; 175:2940-2955. [PMID: 29679953 DOI: 10.1111/bph.14340] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 03/08/2018] [Accepted: 04/05/2018] [Indexed: 12/11/2022] Open
Affiliation(s)
- Milad Mohammadi
- Department of Anaesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Beatrice Oehler
- Department of Anaesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany.,Institute of Clinical Neurobiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Jan Kloka
- Department of Anaesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany.,Institute of Clinical Neurobiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Corinna Martin
- Institute of Clinical Neurobiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Alexander Brack
- Department of Anaesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Robert Blum
- Institute of Clinical Neurobiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Heike L Rittner
- Department of Anaesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany
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14
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Martin C, Stoffer C, Mohammadi M, Hugo J, Leipold E, Oehler B, Rittner HL, Blum R. Na V1.9 Potentiates Oxidized Phospholipid-Induced TRP Responses Only under Inflammatory Conditions. Front Mol Neurosci 2018; 11:7. [PMID: 29410612 PMCID: PMC5787077 DOI: 10.3389/fnmol.2018.00007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 01/08/2018] [Indexed: 12/13/2022] Open
Abstract
Oxidized phospholipids (OxPL) like oxidized 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine (OxPAPC) were recently identified as novel proalgesic targets in acute and chronic inflammatory pain. These endogenous chemical irritants are generated in inflamed tissue and mediate their pain-inducing function by activating the transient receptor potential channels TRPA1 and TRPV1 expressed in sensory neurons. Notably, prototypical therapeutics interfering with OxPL were shown to inhibit TRP channel activation and pain behavior. Here, we asked how OxPL excite primary sensory neurons of dorsal root ganglia (DRG neurons from mice of either sex). Acute stimulation of sensory neurons with the prototypical OxPL 1-palmitoyl-2-glutaryl-sn-glycero-3-phosphocholine (PGPC) evoked repetitive calcium spikes in small-diameter neurons. As NaV1.9, a voltage-gated sodium channel involved in nociceptor excitability, was previously shown to be essential for the generation of calcium spikes in motoneurons, we asked if this channel is also important for OxPL mediated calcium spike and action potential generation in nociceptors. In wild-type and NaV1.9-deficient neurons, the action potential firing rate and the calcium spike frequency to an acute PGPC stimulus was similar. When preincubated with inflammatory mediators, both, the action potential firing rate and the calcium spike frequency were markedly increased in response to an acute PGPC stimulus. However, this potentiating effect was completely lost in NaV1.9-deficient small-diameter neurons. After treatment with inflammatory mediators, the resting membrane potential of NaV1.9 KO neurons was slightly more negative than that of wild-type control neurons. This suggests that NaV1.9 channels are active under this condition and therefore increases the ease with which action potentials are elicited after OxPL stimulation. In summary, our data suggest that NaV1.9 has a switch function to potentiate the receptor potentials induced by OxPL under inflammatory conditions. Since human NaV1.9 has been shown to mediate painful and painless channelopathies, this study provides new insights into the mechanism by which NaV1.9 amplifies stimuli of endogenous irritants under inflammatory conditions.
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Affiliation(s)
- Corinna Martin
- Institute of Clinical Neurobiology, University Hospital Würzburg, University of Würzburg, Würzburg, Germany.,Department of Anesthesiology, University Hospital Würzburg, Würzburg, Germany
| | - Carolin Stoffer
- Institute of Clinical Neurobiology, University Hospital Würzburg, University of Würzburg, Würzburg, Germany
| | - Milad Mohammadi
- Institute of Clinical Neurobiology, University Hospital Würzburg, University of Würzburg, Würzburg, Germany.,Department of Anesthesiology, University Hospital Würzburg, Würzburg, Germany
| | - Julian Hugo
- Institute of Clinical Neurobiology, University Hospital Würzburg, University of Würzburg, Würzburg, Germany.,Department of Anesthesiology, University Hospital Würzburg, Würzburg, Germany
| | - Enrico Leipold
- Department of Biophysics, Center for Molecular Biomedicine, Friedrich Schiller University Jena and Jena University Hospital, Jena, Germany
| | - Beatrice Oehler
- Department of Anesthesiology, University Hospital Würzburg, Würzburg, Germany
| | - Heike L Rittner
- Department of Anesthesiology, University Hospital Würzburg, Würzburg, Germany
| | - Robert Blum
- Institute of Clinical Neurobiology, University Hospital Würzburg, University of Würzburg, Würzburg, Germany
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15
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Oehler B, Kistner K, Martin C, Schiller J, Mayer R, Mohammadi M, Sauer RS, Filipovic MR, Nieto FR, Kloka J, Pflücke D, Hill K, Schaefer M, Malcangio M, Reeh PW, Brack A, Blum R, Rittner HL. Inflammatory pain control by blocking oxidized phospholipid-mediated TRP channel activation. Sci Rep 2017; 7:5447. [PMID: 28710476 PMCID: PMC5511297 DOI: 10.1038/s41598-017-05348-3] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 06/01/2017] [Indexed: 12/31/2022] Open
Abstract
Phospholipids occurring in cell membranes and lipoproteins are converted into oxidized phospholipids (OxPL) by oxidative stress promoting atherosclerotic plaque formation. Here, OxPL were characterized as novel targets in acute and chronic inflammatory pain. Oxidized 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine (OxPAPC) and its derivatives were identified in inflamed tissue by mass spectrometry and binding assays. They elicited calcium influx, hyperalgesia and induced pro-nociceptive peptide release. Genetic, pharmacological and mass spectrometric evidence in vivo as well as in vitro confirmed the role of transient receptor potential channels (TRPA1 and TRPV1) as OxPAPC targets. Treatment with the monoclonal antibody E06 or with apolipoprotein A-I mimetic peptide D-4F, capturing OxPAPC in atherosclerosis, prevented inflammatory hyperalgesia, and in vitro TRPA1 activation. Administration of D-4F or E06 to rats profoundly ameliorated mechanical hyperalgesia and inflammation in collagen-induced arthritis. These data reveal a clinically relevant role for OxPAPC in inflammation offering therapy for acute and chronic inflammatory pain treatment by scavenging OxPAPC.
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Affiliation(s)
- Beatrice Oehler
- Department of Anesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany.,Institute of Clinical Neurobiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Katrin Kistner
- Institute for Physiology and Pathophysiology, Friedrich-Alexander University of Erlangen-Nuremberg, Erlangen, Germany
| | - Corinna Martin
- Department of Anesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany.,Institute of Clinical Neurobiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Jürgen Schiller
- Institute for Medical Physics and Biophysics, University of Leipzig, Leipzig, Germany
| | - Rafaela Mayer
- Department of Anesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany.,Institute of Clinical Neurobiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Milad Mohammadi
- Department of Anesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany.,Institute of Clinical Neurobiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Reine-Solange Sauer
- Department of Anesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Milos R Filipovic
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany.,University of Bordeaux, IBGC, UMR 5095, Bordeaux, France
| | - Francisco R Nieto
- Wolfson CARD, King's College London, Guys' Campus, London, United Kingdom.,University of Granada, Department of Pharmacology, Granada, Spain
| | - Jan Kloka
- Department of Anesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany.,Institute of Clinical Neurobiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Diana Pflücke
- Department of Anesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Kerstin Hill
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, University of Leipzig, Leipzig, Germany
| | - Michael Schaefer
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, University of Leipzig, Leipzig, Germany
| | - Marzia Malcangio
- Wolfson CARD, King's College London, Guys' Campus, London, United Kingdom
| | - Peter W Reeh
- Institute for Physiology and Pathophysiology, Friedrich-Alexander University of Erlangen-Nuremberg, Erlangen, Germany
| | - Alexander Brack
- Department of Anesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Robert Blum
- Institute of Clinical Neurobiology, University Hospital of Wuerzburg, Wuerzburg, Germany
| | - Heike L Rittner
- Department of Anesthesiology, University Hospital of Wuerzburg, Wuerzburg, Germany.
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16
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Pepi M, Heipieper HJ, Balestra C, Borra M, Biffali E, Casotti R. Toxicity of diatom polyunsaturated aldehydes to marine bacterial isolates reveals their mode of action. CHEMOSPHERE 2017; 177:258-265. [PMID: 28314230 DOI: 10.1016/j.chemosphere.2017.03.031] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 02/14/2017] [Accepted: 03/08/2017] [Indexed: 06/06/2023]
Abstract
Diatoms produce and release polyunsaturated aldehydes (PUAs) during senescence in culture and at the end of blooms in nature and these compounds play different ecological roles, as infochemicals, allelochemicals and pheromones In order to elucidate the toxic effects of PUAs, we isolated six bacterial strains from the Mediterranean Sea during a diatom bloom and tested their tolerance to PUA in terms of growth and cell membrane properties. Based upon 16S rRNA sequencing, these bacteria were assigned to the genera Pseudomonas, Sufflavibacter, Halomonas, Vibrio, Idiomarina, and Labrenzia. Growth of these strains was reduced by 50% (EC50) at PUA concentrations ranging from 600 to 1700 μM of 2E,4E/Z-heptadienal (HEPTA), 400-800 μM of 2E, 4E/Z-octadienal (OCTA), and 70-400 μM of 2E, 4E/Z-decadienal (DECA). Two of these strains, Vibrio sp. and Halomonas, sp. were also investigated for membrane fatty acid composition in terms of adaptive modifications of their degree of saturation (ratio between saturated and unsaturated fatty acids) by GC-FID. A direct correlation between hydrophobicity and PUA toxicity was observed, and these bacteria were also found to react to PUAs by increasing the degree of saturation of their membranes fatty acids. Tested PUAs were 4-fold more toxic than the well-investigated n-alkanols, most probably due to their additional chemical aldehyde toxicity to disrupting proteins by the formation of Schiff's bases, and therefore, they act as very toxic and effective poison, probably accumulating in cytoplasmic membranes because of their high hydrophobicity.
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Affiliation(s)
- Milva Pepi
- Stazione Zoologica A. Dohrn, Villa Comunale, 80121 Napoli, Italy
| | - Hermann J Heipieper
- Helmholtz Centre for Environmental Research - UFZ, Permoserstr. 15, 04318 Leipzig, Germany
| | - Cecilia Balestra
- Stazione Zoologica A. Dohrn, Villa Comunale, 80121 Napoli, Italy
| | - Marco Borra
- Stazione Zoologica A. Dohrn, Villa Comunale, 80121 Napoli, Italy
| | - Elio Biffali
- Stazione Zoologica A. Dohrn, Villa Comunale, 80121 Napoli, Italy
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17
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Libardo MDJ, Wang TY, Pellois JP, Angeles-Boza AM. How Does Membrane Oxidation Affect Cell Delivery and Cell Killing? Trends Biotechnol 2017; 35:686-690. [PMID: 28460718 DOI: 10.1016/j.tibtech.2017.03.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 03/28/2017] [Accepted: 03/30/2017] [Indexed: 12/14/2022]
Abstract
The biophysical properties of cellular membranes intimately influence the delivery of cargoes into cells by cell-penetrating peptides (CPPs) and the bactericidal activity of antimicrobial peptides (AMPs). Here, we discuss how lipid oxidation creates important chemical and biophysical changes in membranes, and hypothesize about the observed synergy between oxidized membranes and membrane-active peptides.
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Affiliation(s)
- M Daben J Libardo
- Department of Chemistry, University of Connecticut, Storrs, CT 06269, USA
| | - Ting-Yi Wang
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Jean-Philippe Pellois
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843, USA; Department of Chemistry, Texas A&M University, College Station, TX 77843, USA.
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18
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Brameshuber M, Sevcsik E, Rossboth BK, Manner C, Deigner HP, Peksel B, Péter M, Török Z, Hermetter A, Schütz GJ. Oxidized Phospholipids Inhibit the Formation of Cholesterol-Dependent Plasma Membrane Nanoplatforms. Biophys J 2016; 110:205-13. [PMID: 26745423 DOI: 10.1016/j.bpj.2015.11.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Revised: 10/14/2015] [Accepted: 11/13/2015] [Indexed: 01/08/2023] Open
Abstract
We previously developed a single-molecule microscopy method termed TOCCSL (thinning out clusters while conserving stoichiometry of labeling), which allows for direct imaging of stable nanoscopic platforms with raft-like properties diffusing in the plasma membrane. As a consensus raft marker, we chose monomeric GFP linked via a glycosylphosphatidylinositol (GPI) anchor to the cell membrane (mGFP-GPI). With this probe, we previously observed cholesterol-dependent homo-association to nanoplatforms diffusing in the plasma membrane of live CHO cells. Here, we report the release of this homo-association upon addition of 1-palmitoyl-2-(5-oxovaleroyl)-sn-glycero-3-phosphocholine (POVPC) or 1-palmitoyl-2-glutaroyl-sn-glycero-3-phosphocholine, two oxidized phospholipids (oxPLs) that are typically present in oxidatively modified low-density lipoprotein. We found a dose-response relationship for mGFP-GPI nanoplatform disintegration upon addition of POVPC, correlating with the signal of the apoptosis marker Annexin V-Cy3. Similar concentrations of lysolipid showed no effect, indicating that the observed phenomena were not linked to properties of the lipid bilayer itself. Inhibition of acid sphingomyelinase by NB-19 before addition of POVPC completely abolished nanoplatform disintegration by oxPLs. In conclusion, we were able to determine how oxidized lipid species disrupt mGFP-GPI nanoplatforms in the plasma membrane. Our results favor an indirect mechanism involving acid sphingomyelinase activity rather than a direct interaction of oxPLs with nanoplatform constituents.
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Affiliation(s)
| | - Eva Sevcsik
- Institute of Applied Physics, TU Wien, Vienna, Austria
| | | | | | - Hans-Peter Deigner
- Faculty of Medical and Life Sciences, Institute of Precision Medicine, Furtwangen University, Villingen-Schwenningen, Germany; Fraunhofer Institute IZI/EXIM, Furtwangen, Germany
| | - Begüm Peksel
- Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary
| | - Mária Péter
- Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary
| | - Zsolt Török
- Institute of Biochemistry, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary
| | - Albin Hermetter
- Institute of Biochemistry, Graz University of Technology, Graz, Austria
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19
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Hormetic and anti-inflammatory properties of oxidized phospholipids. Mol Aspects Med 2016; 49:78-90. [DOI: 10.1016/j.mam.2016.02.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 02/04/2016] [Accepted: 02/04/2016] [Indexed: 12/15/2022]
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20
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Vogl F, Humpolícková J, Amaro M, Koller D, Köfeler H, Zenzmaier E, Hof M, Hermetter A. Role of protein kinase C δ in apoptotic signaling of oxidized phospholipids in RAW 264.7 macrophages. Biochim Biophys Acta Mol Cell Biol Lipids 2016; 1861:320-30. [DOI: 10.1016/j.bbalip.2015.12.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 11/26/2015] [Accepted: 12/17/2015] [Indexed: 10/22/2022]
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21
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Amirkavei M, Kinnunen PKJ. Interactions and dynamics of two extended conformation adapting phosphatidylcholines in model biomembranes. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2015; 1858:264-73. [PMID: 26656184 DOI: 10.1016/j.bbamem.2015.12.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 11/11/2015] [Accepted: 12/03/2015] [Indexed: 11/18/2022]
Abstract
In order to obtain molecular level insight into the biophysics of the apoptosis promoting phospholipid 1-palmitoyl-2-azelaoyl-sn-glycero-3-phosphocholine (PazePC) we studied its partitioning into different lipid phases by isothermal titration calorimetry (ITC). To aid the interpretation of these data for PazePC, we additionally characterized by both ITC and fluorescence spectroscopy the fluorescent phospholipid analog 1-palmitoyl-2-{6-[(7-nitro-2-1,3-benzoxadiazol-4-yl)amino]hexanoyl}-sn-glycero-3-phosphocholine (NBD-C6-PC), which similarly to PazePC can adopt extended conformation in lipid bilayers. With the NBD-hexanoyl chain reversing its direction and extending into the aqueous space out of the bilayer, 7-nitro-2,1,3-benzoxadiazol-4-yl (NBD) becomes accessible to the water soluble dithionite, which reduces to non-fluorescent product. Our results suggest that these phospholipid derivatives first partition and penetrate into the outer bilayer leaflet of liquid disordered phase liposomes composed of unsaturated 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC). Upon increase up to 2 mol% PazePC and NBD-C6-PC of the overall content, flip-flop from the outer into the inner bilayer leaflet commences. Interestingly, the presence of 40 mol% cholesterol in POPC liposomes did not abrogate the partitioning of PazePC into the liquid ordered phase. In contrast, only insignificant partitioning of PazePC and NBD-C6-PC into sphingomyelin/cholesterol liposomes was evident, highlighting a specific membrane permeability barrier function of this particular lipid composition against oxidatively truncated PazePC, thus emphasizing the importance of detailed characterization of the biophysical properties of membranes found in different cellular organelles, in terms of providing barriers for lipid-mediated cellular signals in processes such as apoptosis. Our data suggest NBD-C6-PC to represent useful fluorescent probe to study the cellular dynamics of oxidized phospholipid species, such as PazePC.
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Affiliation(s)
- Mooud Amirkavei
- Helsinki Biophysics & Biomembrane group, Department of Neuroscience and Biomedical Engineering, School of Science, Aalto University, Espoo, Finland
| | - Paavo K J Kinnunen
- Helsinki Biophysics & Biomembrane group, Department of Neuroscience and Biomedical Engineering, School of Science, Aalto University, Espoo, Finland.
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22
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Milic I, Kipping M, Hoffmann R, Fedorova M. Separation and characterization of oxidized isomeric lipid-peptide adducts by ion mobility mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2015; 50:1386-1392. [PMID: 26634972 DOI: 10.1002/jms.3713] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 09/14/2015] [Accepted: 10/01/2015] [Indexed: 06/05/2023]
Abstract
Phospholipids are major components of cell membranes and lipoprotein complexes. They are prone to oxidation by endogenous and exogenous reactive oxygen species yielding a large variety of modified lipids including small aliphatic and phospholipid bound aldehydes and ketones. These carbonyls are strong electrophiles that can modify proteins and, thereby, alter their structures and functions triggering various pathophysiological conditions. The analysis of lipid-protein adducts by liquid chromatography-MS is challenged by their mixed chemical nature (polar peptide and hydrophobic lipid), low abundance in biological samples, and formation of multiple isomers. Thus, we investigated traveling wave ion mobility mass spectrometry (TWIMS) to analyze lipid-peptide adducts generated by incubating model peptides corresponding to the amphipathic β1 sheet sequence of apolipoprotein B-100 with 1-palmitoyl-2-(oxo-nonanoyl)-sn-glycerophosphatidylcholine (PONPC). The complex mixture of peptides, lipids, and peptide-lipid adducts was separated by TWIMS, which was especially important for the identification of two mono-PONPC-peptide isomers containing Schiff bases at different lysine residues. Moreover, TWIMS separated structural conformers of one peptide-lipid adduct possessing most likely different orientations of the hydrophobic sn-1 fatty acyl residue and head group of PONPC, relative to the peptide backbone.
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Affiliation(s)
- Ivana Milic
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Universität Leipzig, Leipzig, Germany
- Center for Biotechnology and Biomedicine, Universität Leipzig, Leipzig, Germany
| | | | - Ralf Hoffmann
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Universität Leipzig, Leipzig, Germany
- Center for Biotechnology and Biomedicine, Universität Leipzig, Leipzig, Germany
| | - Maria Fedorova
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Universität Leipzig, Leipzig, Germany
- Center for Biotechnology and Biomedicine, Universität Leipzig, Leipzig, Germany
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23
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Knobloch JJ, Nelson ARJ, Köper I, James M, McGillivray DJ. Oxidative Damage to Biomimetic Membrane Systems: In Situ Fe(II)/Ascorbate Initiated Oxidation and Incorporation of Synthetic Oxidized Phospholipids. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:12679-12687. [PMID: 26517192 DOI: 10.1021/acs.langmuir.5b02458] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Damage to cellular membranes from oxidative stress has been implicated in aging related diseases. We report the effects of oxidative damage on the structure and properties of biomimetic phospholipid membrane systems. Two oxidation methods were used, in situ oxidation initiated using Fe(II) and ascorbate, and the incorporation of a synthetic "oxidized" phospholipid, PoxnoPC, into biomimetic membranes. The biomimetic systems employed included multibilayer stacks, tethered bilayers, and phospholipid monolayers studied using a combination of reflectometry, attenuated total reflection infrared spectroscopy, electrochemical impedance spectroscopy, and neutron diffraction. We show that oxidation with Fe(II) and ascorbate caused an increase in the order of the membrane, attributed to cross-linking of the phospholipids, and a change in the electrical permeability of the membrane, but no significant impact on the thickness or completeness of the membrane. Incorporation of PoxnoPC, on the other hand, had a larger impact on the structure of the membrane. Inversion of the aldehyde-terminated truncated sn-2 chain of PoxnoPC into the head group region was observed, along with a slight decrease in the thickness and order of the membrane.
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Affiliation(s)
- Jacqueline J Knobloch
- School of Chemical Sciences, The University of Auckland , Private Bag 92019, Auckland 1142, New Zealand
| | - Andrew R J Nelson
- Australian Nuclear Science and Technology Organisation, Locked Bag 2001, Kirrawee DC, NSW 2232, Australia
| | - Ingo Köper
- Centre for Nanoscale Science and Technology, School of Chemical and Physical Sciences, Flinders University , GPO 2100, Adelaide 5001, Australia
| | - Michael James
- Australian Nuclear Science and Technology Organisation, Locked Bag 2001, Kirrawee DC, NSW 2232, Australia
- Australian Synchrotron, 800 Blackburn Road, Clayton, Victoria 3168, Australia
| | - Duncan J McGillivray
- School of Chemical Sciences, The University of Auckland , Private Bag 92019, Auckland 1142, New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology, P.O. Box 600, Wellington 6140, New Zealand
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24
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Toxicity of oxidized phosphatidylcholines in cultured human melanoma cells. Chem Phys Lipids 2015; 189:39-47. [DOI: 10.1016/j.chemphyslip.2015.05.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 04/28/2015] [Accepted: 05/25/2015] [Indexed: 11/23/2022]
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25
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Aldini G, Domingues MR, Spickett CM, Domingues P, Altomare A, Sánchez-Gómez FJ, Oeste CL, Pérez-Sala D. Protein lipoxidation: Detection strategies and challenges. Redox Biol 2015; 5:253-266. [PMID: 26072467 PMCID: PMC4477048 DOI: 10.1016/j.redox.2015.05.003] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Revised: 05/14/2015] [Accepted: 05/19/2015] [Indexed: 12/21/2022] Open
Abstract
Enzymatic and non-enzymatic lipid metabolism can give rise to reactive species that may covalently modify cellular or plasma proteins through a process known as lipoxidation. Under basal conditions, protein lipoxidation can contribute to normal cell homeostasis and participate in signaling or adaptive mechanisms, as exemplified by lipoxidation of Ras proteins or of the cytoskeletal protein vimentin, both of which behave as sensors of electrophilic species. Nevertheless, increased lipoxidation under pathological conditions may lead to deleterious effects on protein structure or aggregation. This can result in impaired degradation and accumulation of abnormally folded proteins contributing to pathophysiology, as may occur in neurodegenerative diseases. Identification of the protein targets of lipoxidation and its functional consequences under pathophysiological situations can unveil the modification patterns associated with the various outcomes, as well as preventive strategies or potential therapeutic targets. Given the wide structural variability of lipid moieties involved in lipoxidation, highly sensitive and specific methods for its detection are required. Derivatization of reactive carbonyl species is instrumental in the detection of adducts retaining carbonyl groups. In addition, use of tagged derivatives of electrophilic lipids enables enrichment of lipoxidized proteins or peptides. Ultimate confirmation of lipoxidation requires high resolution mass spectrometry approaches to unequivocally identify the adduct and the targeted residue. Moreover, rigorous validation of the targets identified and assessment of the functional consequences of these modifications are essential. Here we present an update on methods to approach the complex field of lipoxidation along with validation strategies and functional assays illustrated with well-studied lipoxidation targets.
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Affiliation(s)
- Giancarlo Aldini
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, Via Mangiagalli 25, 20133 Milan, Italy
| | - M Rosário Domingues
- Mass Spectrometry Centre, QOPNA, Department of Chemistry, University of Aveiro, Aveiro 3810-193, Portugal
| | - Corinne M Spickett
- School of Life and Health Sciences, Aston Triangle, Aston University, Birmingham B4 7ET, UK
| | - Pedro Domingues
- Mass Spectrometry Centre, QOPNA, Department of Chemistry, University of Aveiro, Aveiro 3810-193, Portugal
| | - Alessandra Altomare
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, Via Mangiagalli 25, 20133 Milan, Italy
| | - Francisco J Sánchez-Gómez
- Department of Chemical and Physical Biology, Centro de Investigaciones Biológicas, CSIC, Ramiro de Maeztu, 9, Madrid 28040, Spain
| | - Clara L Oeste
- Department of Chemical and Physical Biology, Centro de Investigaciones Biológicas, CSIC, Ramiro de Maeztu, 9, Madrid 28040, Spain
| | - Dolores Pérez-Sala
- Department of Chemical and Physical Biology, Centro de Investigaciones Biológicas, CSIC, Ramiro de Maeztu, 9, Madrid 28040, Spain.
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Karilainen T, Timr Š, Vattulainen I, Jungwirth P. Oxidation of Cholesterol Does Not Alter Significantly Its Uptake into High-Density Lipoprotein Particles. J Phys Chem B 2015; 119:4594-600. [DOI: 10.1021/acs.jpcb.5b00240] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Topi Karilainen
- Department
of Physics, Tampere University of Technology, P.O. Box 692, FI-33101 Tampere, Finland
| | - Štěpán Timr
- Institute
of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo náměstı́ 2, 16610 Prague 6, Czech Republic
| | - Ilpo Vattulainen
- Department
of Physics, Tampere University of Technology, P.O. Box 692, FI-33101 Tampere, Finland
- MEMPHYS -
Center
for Biomembrane Physics, University of Southern Denmark, DK-5230, Odense, Denmark
| | - Pavel Jungwirth
- Department
of Physics, Tampere University of Technology, P.O. Box 692, FI-33101 Tampere, Finland
- Institute
of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo náměstı́ 2, 16610 Prague 6, Czech Republic
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27
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Milic I, Melo T, Domingues MR, Domingues P, Fedorova M. Heterogeneity of peptide adducts with carbonylated lipid peroxidation products. JOURNAL OF MASS SPECTROMETRY : JMS 2015; 50:603-612. [PMID: 25800198 DOI: 10.1002/jms.3568] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Revised: 12/17/2014] [Accepted: 01/07/2015] [Indexed: 06/04/2023]
Abstract
Highly reactive lipid peroxidation-derived carbonyls (oxoLPP) modify protein nucleophiles via Michael addition or Schiff base formation. Once formed, Michael adducts can be further stabilized via cyclic hemiacetals with or without loss of water. Depending on the mechanism of their formation, peptide-oxoLPP can carry aldehyde or keto groups and thus be a part of the total protein carbonylation level. If a carbonyl function is lost during consecutive reactions, the oxoLPP-peptide adducts will not be detected using the common carbonyl labeling protocols. Because of the differences in adduct stabilities, it is possible to address the heterogeneity of peptide/protein-oxoLPP adducts by careful evaluation of tandem mass spectra of modified peptides. Here, we used hydrophilic interaction liquid chromatography-tandem mass spectrometry analysis of lysine, cysteine and histidine containing model peptides co-incubated with oxidized 1-palmitoyl-2-linoleoyl-sn-glycerophosphatidylcholine to characterize the collision-induced dissociation behavior of peptide-carbonyl adducts. Numerous modifications were detected based on the analysis of tandem mass spectra, including Schiff bases on lysine (two), Michael adducts on lysine (six), cysteine (eleven) and histidine (two), as well as 4-hydroxy-2-aldehydes derived dehydrated cyclic hemiacetals on cysteine (five) and histidine (one). Additionally, cysteine and histidine side chains were modified by lipid-bound aldehydes as Michael adducts and dehydrated hemiacetals. The tandem mass spectra revealed collision-induced dissociation characteristics specific for each class of oxoLPP-peptide adducts.
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Affiliation(s)
- Ivana Milic
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Leipzig University, Leipzig, Germany; Center for Biotechnology and Biomedicine, Universität Leipzig, Leipzig, Germany
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Ni Z, Milic I, Fedorova M. Identification of carbonylated lipids from different phospholipid classes by shotgun and LC-MS lipidomics. Anal Bioanal Chem 2015; 407:5161-73. [DOI: 10.1007/s00216-015-8536-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 01/29/2015] [Accepted: 02/05/2015] [Indexed: 11/28/2022]
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Pluskota-Karwatka D, Muńko M, Hoffmann M, Kuta M, Kronberg L. Studies on the reactions between the DNA bases and a model α,β-unsaturated oxoaldehyde. NEW J CHEM 2015. [DOI: 10.1039/c5nj01149c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Two sets of adducts of 2′-dC with a model oxoenal were characterised based on 2D NMR spectroscopy. DFT calculations indicated that two mechanisms can be involved in these compounds formation. The instability of one of these products leads to deamination of 2′-dC.
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Affiliation(s)
| | - Malwina Muńko
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - Marcin Hoffmann
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - Martyna Kuta
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - Leif Kronberg
- Laboratory of Organic Chemistry
- Åbo Akademi University
- 20500 Turku/Åbo
- Finland
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30
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Koller D, Hackl H, Bogner-Strauß JG, Hermetter A. Effects of oxidized phospholipids on gene expression in RAW 264.7 macrophages: a microarray study. PLoS One 2014; 9:e110486. [PMID: 25333283 PMCID: PMC4204898 DOI: 10.1371/journal.pone.0110486] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Accepted: 09/10/2014] [Indexed: 01/09/2023] Open
Abstract
Oxidized phospholipids (oxPLs) are components of oxidized LDL (oxLDL). It is known that oxLDL activates expression of a series of atherogenic genes and their oxPLs contribute to their biological activities. In this study we present the effects of 1-palmitoyl-2-glutaroyl-sn-glycero-3-phosphocholine (PGPC) and 1-palmitoyl-2-(5-oxovaleroyl)-sn-glycero-3-phosphocholine (POVPC) on gene expression in RAW 264.7 macrophages using cDNA microarrays. PGPC affected the regulation of 146 genes, whereas POVPC showed only very minor effects. PGPC preferentially influenced expression of genes related to cell death, angiogenesis, cholesterol efflux, procoagulant mechanisms, atherogenesis, inflammation, and cell cycle. Many of these effects are known from studies with oxLDL or oxidized 1-hexadecanoyl-2-eicosatetra-5′,8′,11′,14′-enoyl-sn-glycero-3-phosphocholine (oxPAPC), containing PGPC in addition to other oxPL species. It is known that POVPC efficiently reacts with proteins by Schiff base formation, whereas PGPC only physically interacts with its biological targets. POVPC seems to affect cell physiology to a great extent on the protein level, whereas PGPC gives rise to both the modulation of protein function and regulation on the transcriptional level.
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Affiliation(s)
- Daniel Koller
- Institute of Biochemistry, Graz University of Technology, Graz, Austria
| | - Hubert Hackl
- Biocenter, Division of Bioinformatics, Innsbruck Medical University, Innsbruck, Austria
| | | | - Albin Hermetter
- Institute of Biochemistry, Graz University of Technology, Graz, Austria
- * E-mail:
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31
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Mertins O, Bacellar IOL, Thalmann F, Marques CM, Baptista MS, Itri R. Physical damage on giant vesicles membrane as a result of methylene blue photoirradiation. Biophys J 2014; 106:162-71. [PMID: 24411248 DOI: 10.1016/j.bpj.2013.11.4457] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2013] [Revised: 11/13/2013] [Accepted: 11/18/2013] [Indexed: 02/07/2023] Open
Abstract
In this study we pursue a closer analysis of the photodamage promoted on giant unilamellar vesicles membranes made of dioleoyl-sn-glycero-3-phosphocholine (DOPC) or 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC), by irradiating methylene blue present in the giant unilamellar vesicles solution. By means of optical microscopy and electro-deformation experiments, the physical damage on the vesicle membrane was followed and the phospholipids oxidation was evaluated in terms of changes in the membrane surface area and permeability. As expected, oxidation modifies structural characteristics of the phospholipids that lead to remarkable membrane alterations. By comparing DOPC- with POPC-made membranes, we observed that the rate of pore formation and vesicle degradation as a function of methylene blue concentration follows a diffusion law in the case of DOPC and a linear variation in the case of POPC. We attributed this scenario to the nucleation process of oxidized species following a diffusion-limited growth regime for DOPC and in the case of POPC a homogeneous nucleation process. On the basis of these premises, we constructed models based on reaction-diffusion equations that fit well with the experimental data. This information shows that the outcome of the photosensitization reactions is critically dependent on the type of lipid present in the membrane.
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Affiliation(s)
- Omar Mertins
- Departamento de Física Aplicada, Instituto de Física, Universidade de São Paulo.
| | - Isabel O L Bacellar
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Fabrice Thalmann
- Institut Charles Sadron, Université de Strasbourg, Centre National de la Recherche Scientifique, Strasbourg, France
| | - Carlos M Marques
- Institut Charles Sadron, Université de Strasbourg, Centre National de la Recherche Scientifique, Strasbourg, France
| | - Maurício S Baptista
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Rosangela Itri
- Departamento de Física Aplicada, Instituto de Física, Universidade de São Paulo.
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32
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Štefl M, Šachl R, Olżyńska A, Amaro M, Savchenko D, Deyneka A, Hermetter A, Cwiklik L, Humpolíčková J, Hof M. Comprehensive portrait of cholesterol containing oxidized membrane. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2014; 1838:1769-76. [DOI: 10.1016/j.bbamem.2014.02.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Revised: 01/30/2014] [Accepted: 02/12/2014] [Indexed: 10/25/2022]
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33
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Mozzini C, Fratta Pasini A, Garbin U, Stranieri C, Pasini A, Vallerio P, Cominacini L. Increased endoplasmic reticulum stress and Nrf2 repression in peripheral blood mononuclear cells of patients with stable coronary artery disease. Free Radic Biol Med 2014; 68:178-85. [PMID: 24373961 DOI: 10.1016/j.freeradbiomed.2013.12.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 11/14/2013] [Accepted: 12/17/2013] [Indexed: 01/09/2023]
Abstract
Endoplasmic reticulum (ER) stress is involved in the pathophysiology of atherosclerosis. Insults interfering with ER function lead to the accumulation of unfolded and misfolded proteins in the ER that initiates the unfolded protein response (UPR). When the UPR fails to control the level of unfolded and misfolded proteins, ER-initiated apoptotic signaling is induced. We evaluated: (1) the UPR and ER-initiated apoptotic signaling in peripheral blood mononuclear cells (PBMCs) of stable coronary artery disease (CAD) patients; (2) PBMC content of oxidation products of phospholipid 1-palmitoyl-2-arachidonyl-sn-glycero-3-phosphorylcholine (oxPAPC); (3) the possible origin of oxPAPC in PBMCs; and (4) the expression of nuclear erythroid-related factor 2 (Nrf2)/antioxidant-related element (ARE), a cellular defense mechanism. Twenty-nine CAD patients and 28 matched controls were enrolled. Expression of glucose-regulated protein 78kDa (GRP78/BiP), as a representative of the UPR, and of C/EBP homologous protein (CHOP), as a representative of ER apoptosis, was significantly higher in CAD than in controls (p<0.01). Concentrations of oxPAPC in PBMCs, in plasma, and in low-density lipoprotein (LDL) were significantly higher in CAD compared to controls (p<0.01). The oxPAPC in PBMCs may derive from circulating ox-LDL. Nrf2/ARE gene expression and circulating and cellular glutathione were significantly lower in CAD compared to controls (p<0.01). In in vitro studies, increasing amounts of oxPAPC induced a dose-dependent increase in CHOP and apoptosis-related protein expression (p<0.01) and a progressive decrease in Nrf2/ARE gene expression (p<0.01). In PBMCs of CAD patients there is an activation of the UPR and ER-initiated apoptotic signaling, possibly related to an abnormal concentration of oxPAPC in PBMCs.
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Affiliation(s)
- Chiara Mozzini
- Section of Internal Medicine, Department of Medicine, University of Verona, 37134 Verona, Italy.
| | - Anna Fratta Pasini
- Section of Internal Medicine, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Ulisse Garbin
- Section of Internal Medicine, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Chiara Stranieri
- Section of Internal Medicine, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Andrea Pasini
- Section of Internal Medicine, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Paola Vallerio
- Section of Internal Medicine, Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Luciano Cominacini
- Section of Internal Medicine, Department of Medicine, University of Verona, 37134 Verona, Italy
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Pizzimenti S, Ciamporcero E, Daga M, Pettazzoni P, Arcaro A, Cetrangolo G, Minelli R, Dianzani C, Lepore A, Gentile F, Barrera G. Interaction of aldehydes derived from lipid peroxidation and membrane proteins. Front Physiol 2013; 4:242. [PMID: 24027536 PMCID: PMC3761222 DOI: 10.3389/fphys.2013.00242] [Citation(s) in RCA: 234] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Accepted: 08/15/2013] [Indexed: 01/07/2023] Open
Abstract
A great variety of compounds are formed during lipid peroxidation of polyunsaturated fatty acids of membrane phospholipids. Among them, bioactive aldehydes, such as 4-hydroxyalkenals, malondialdehyde (MDA) and acrolein, have received particular attention since they have been considered as toxic messengers that can propagate and amplify oxidative injury. In the 4-hydroxyalkenal class, 4-hydroxy-2-nonenal (HNE) is the most intensively studied aldehyde, in relation not only to its toxic function, but also to its physiological role. Indeed, HNE can be found at low concentrations in human tissues and plasma and participates in the control of biological processes, such as signal transduction, cell proliferation, and differentiation. Moreover, at low doses, HNE exerts an anti-cancer effect, by inhibiting cell proliferation, angiogenesis, cell adhesion and by inducing differentiation and/or apoptosis in various tumor cell lines. It is very likely that a substantial fraction of the effects observed in cellular responses, induced by HNE and related aldehydes, be mediated by their interaction with proteins, resulting in the formation of covalent adducts or in the modulation of their expression and/or activity. In this review we focus on membrane proteins affected by lipid peroxidation-derived aldehydes, under physiological and pathological conditions.
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Affiliation(s)
- Stefania Pizzimenti
- Dipartimento di Scienze Cliniche e Biologiche, Università di Torino Torino, Italy
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Jin J, Zheng Y, Brash AR. Demonstration of HNE-related aldehyde formation via lipoxygenase-catalyzed synthesis of a bis-allylic dihydroperoxide intermediate. Chem Res Toxicol 2013; 26:896-903. [PMID: 23668325 DOI: 10.1021/tx4000396] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
One of the proposed pathways to the synthesis of 4-hydroxy-nonenal (HNE) and related aldehydes entails formation of an intermediate bis-allylic fatty acid dihydroperoxide. As a first direct demonstration of such a pathway and proof of principle, herein we show that 8R-lipoxygenase (8R-LOX) catalyzes the enzymatic production of the HNE-like product (11-oxo-8-hydroperoxy-undeca-5,9-dienoic acid) via synthesis of 8,11-dihydroperoxy-eicosa-5,9,12,14-tetraenoic acid intermediate. Incubation of arachidonic acid with 8R-LOX formed initially 8R-hydroperoxy-eicosatetraenoic acid (8R-HPETE), which was further converted to a mixture of products including a prominent HPNE-like enone. A new bis-allylic dihydroperoxide was trapped when the incubation was repeated on ice. Reincubation of this intermediate with 8R-LOX successfully demonstrated its conversion to the enone products, and this reaction was greatly accelerated by coincubation with NDGA, a reductant of the LOX iron. These findings identify a plausible mechanism that could contribute to the production of 4-hydroxy-alkenals in vivo.
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Affiliation(s)
- Jing Jin
- Department of Pharmacology and the Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37232, USA
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Volinsky R, Kinnunen PKJ. Oxidized phosphatidylcholines in membrane-level cellular signaling: from biophysics to physiology and molecular pathology. FEBS J 2013; 280:2806-16. [PMID: 23506295 DOI: 10.1111/febs.12247] [Citation(s) in RCA: 271] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Revised: 01/15/2013] [Accepted: 02/27/2013] [Indexed: 11/26/2022]
Abstract
The oxidation of lipids has been shown to impact virtually all cellular processes. The paradigm has been that this involvement is due to interference with the functions of membrane-associated proteins. It is only recently that methodological advances in molecular-level detection and identification have begun to provide insights into oxidative lipid modification and its involvement in cell signaling as well as in major diseases and inflammation. Extensive evidence suggests a correlation between lipid peroxidation and degenerative neurological diseases such as Parkinson's and Alzheimer's, as well as type 2 diabetes and cancer. Despite the obvious relevance of understanding the molecular basis of the above ailments, the exact modes of action of oxidized lipids have remained elusive. In this minireview, we summarize recent findings on the biophysical characteristics of biomembranes following oxidative derivatization of their lipids, and how these altered properties are involved in both physiological processes and major pathological conditions. Lipid-bearing, oxidatively truncated and functionalized acyl chains are known to modify membrane bulk physical properties, such as thermal phase behavior, bilayer thickness, hydration and polarity profiles, as manifest in the altered structural dynamics of lipid bilayers, leading to augmented membrane permeability, fast lipid transbilayer diffusion (flip-flop), loss of lipid asymmetry (scrambling) and phase segregation (the formation of 'rafts'). These changes, together with the generated reactive lipid derivatives, can be further expected to interfere with lipid-protein interactions, influencing metabolic pathways, causing inflammation, the execution phase in apoptosis and initiating pathological processes.
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Affiliation(s)
- Roman Volinsky
- Helsinki Biophysics & Biomembrane Group, Department of Biomedical Engineering and Computational Science, Aalto University, Espoo, Finland
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37
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Hermetter A, Kopec W, Khandelia H. Conformations of double-headed, triple-tailed phospholipid oxidation lipid products in model membranes. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2013; 1828:1700-6. [PMID: 23567918 DOI: 10.1016/j.bbamem.2013.03.030] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Revised: 03/12/2013] [Accepted: 03/28/2013] [Indexed: 01/09/2023]
Abstract
Products of phospholipid oxidation can produce lipids with a carbonyl moiety at the end of a shortened lipid acyl tail, such as 1-palmitoyl-2-(5-oxovaleroyl)-sn-glycero-3-phosphocholine (POVPC). The carbonyl tail of POVPC can covalently bond to the free tertiary amine of a phosphatidylethanolamine lipid in a Schiff base reaction to form a conjugate lipid (SCH) with two head groups, and three acyl tails. We investigate the conformations and properties of this unique class of adduct lipids using molecular dynamics simulations, and show that their insertion into lipid bilayers of POPC increases the average cross-sectional area per lipid and decreases bilayer thickness. Significant increase in acyl tail fluidity is only observed at 25% SCH concentration. The SCH occupies a larger area per lipid than expected for a lipid with three acyl tails, owing to the interfacial location of the long spacer between the two head groups of the SCH. Schiff base formation of lipids can alter the concentration, homeostasis and localizations of phosphatidylserine and phosphatidylethanol lipids in membranes, and can therefore influence several membrane-associated processes including fusion and budding. The current work provides the first detailed structural model of this unique new class of lipids that may have important roles to play in modulating membrane properties and cell physiology.
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Affiliation(s)
- Albin Hermetter
- Institute of Biochemistry, Graz University of Technology, Graz, Austria
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38
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Allen D, Hasanally D, Ravandi A. Role of oxidized phospholipids in cardiovascular pathology. ACTA ACUST UNITED AC 2013. [DOI: 10.2217/clp.13.13] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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39
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Lee S, Birukov KG, Romanoski CE, Springstead JR, Lusis AJ, Berliner JA. Role of phospholipid oxidation products in atherosclerosis. Circ Res 2012; 111:778-99. [PMID: 22935534 DOI: 10.1161/circresaha.111.256859] [Citation(s) in RCA: 150] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
There is increasing clinical evidence that phospholipid oxidation products (Ox-PL) play a role in atherosclerosis. This review focuses on the mechanisms by which Ox-PL interact with endothelial cells, monocyte/macrophages, platelets, smooth muscle cells, and HDL to promote atherogenesis. In the past few years major progress has been made in identifying these mechanisms. It has been recognized that Ox-PL promote phenotypic changes in these cell types that have long-term consequences for the vessel wall. Individual Ox-PL responsible for specific cellular effects have been identified. A model of the configuration of bioactive truncated Ox-PL within membranes has been developed that demonstrates that the oxidized fatty acid moiety protrudes into the aqueous phase, rendering it accessible for receptor recognition. Receptors and signaling pathways for individual Ox-PL species are now determined and receptor independent signaling pathways identified. The effects of Ox-PL are mediated both by gene regulation and transcription independent processes. It has now become apparent that Ox-PL affects multiple genes and pathways, some of which are proatherogenic and some are protective. However, at concentrations that are likely present in the vessel wall in atherosclerotic lesions, the effects promote atherogenesis. There have also been new insights on enzymes that metabolize Ox-PL and the significance of these enzymes for atherosclerosis. With the knowledge we now have of the regulation and effects of Ox-PL in different vascular cell types, it should be possible to design experiments to test the role of specific Ox-PL on the development of atherosclerosis.
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Affiliation(s)
- Sangderk Lee
- Department of Pathology, University of California-Los Angeles, MRL 4760, 675 Charles E. Young Dr. S., Los Angeles, CA 90095, USA
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Stemmer U, Dunai ZA, Koller D, Pürstinger G, Zenzmaier E, Deigner HP, Aflaki E, Kratky D, Hermetter A. Toxicity of oxidized phospholipids in cultured macrophages. Lipids Health Dis 2012; 11:110. [PMID: 22958747 PMCID: PMC3533736 DOI: 10.1186/1476-511x-11-110] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Accepted: 08/19/2012] [Indexed: 02/02/2023] Open
Abstract
Background The interactions of oxidized low-density lipoprotein (LDL) and macrophages are hallmarks in the development of atherosclerosis. The biological activities of the modified particle in these cells are due to the content of lipid oxidation products and apolipoprotein modification by oxidized phospholipids. Results It was the aim of this study to determine the role of short-chain oxidized phospholipids as components of modified LDL in cultured macrophages. For this purpose we investigated the effects of the following oxidized phospholipids on cell viability and apoptosis: 1-palmitoyl-2-glutaroyl-sn-glycero-3-phosphocholine (PGPC), 1-palmitoyl-2-(5-oxovaleroyl)-sn-glycero-3-phosphocholine (POVPC) and oxidized alkylacyl phospholipids including 1-O-hexadecyl-2-glutaroyl-sn-glycero-3-phosphocholine (E-PGPC) and 1-O-hexadecyl-2-(5-oxovaleroyl)-sn-glycero-3-phosphocholine (E-POVPC). We found that these compounds induced apoptosis in RAW264.7 and bone marrow-derived macrophages. The sn-2 carboxyacyl lipid PGPC was more toxic than POVPC which carries a reactive aldehyde function in position sn-2 of glycerol. The alkylacyl phospholipids (E-PGPC and E-POVPC) and the respective diacyl analogs show similar activities. Apoptosis induced by POVPC and its alkylether derivative could be causally linked to the fast activation of an acid sphingomyelinase, generating the apoptotic second messenger ceramide. In contrast, PGPC and its ether analog only negligibly affected this enzyme pointing to an entirely different mechanism of lipid toxicity. The higher toxicity of PGPC is underscored by more efficient membrane blebbing from apoptotic cells. In addition, the protein pattern of PGPC-induced microparticles is different from the vesicles generated by POPVC. Conclusions In summary, our data reveal that oxidized phospholipids induce apoptosis in cultured macrophages. The mechanism of lipid toxicity, however, largely depends on the structural features of the oxidized sn-2 chain.
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Affiliation(s)
- Ute Stemmer
- Institute of Biochemistry, Graz University of Technology, Petersgasse 12/2, A-8010, Graz, Austria
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