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Interrelation between miRNAs Expression Associated with Redox State Fluctuations, Immune and Inflammatory Response Activation, and Neonatal Outcomes in Complicated Pregnancy, Accompanied by Placental Insufficiency. Antioxidants (Basel) 2022; 12:antiox12010006. [PMID: 36670868 PMCID: PMC9854567 DOI: 10.3390/antiox12010006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Redox disbalance in placental cells leads to the hyperproduction of reactive oxygen species (ROS), it mediates the dysregulation of the maternal immune tolerance to a semi-allogenic fetus, inducing pro-inflammatory reactions, and it plays a central role in perinatal complications and neonatal disease programming. Microvesicles, which provide transplacental communication between a mother and fetus, contain microRNAs (miRNAs) that are sensitive to oxidative stress (OS) mediators and can control the balance of ROS production and utilization in target cells. In the context of this paradigm, we evaluated the markers of redox balance—MDA and 4-HNE for OS and GPx, and SOD, CAT, and GSH for the antioxidant system in the cord blood plasma of newborns diagnosed with fetal growth restriction (FGR)—by using polarography, spectrophotometry, and Western blotting. The expression of miRNAs associated with OS, immune and inflammatory responses in the blood plasma of newborns with intrauterine pneumonia (IP), neonatal sepsis (NS) and respiratory distress syndrome (RDS) was evaluated by a quantitative RT-PCR. Significant differences in the MDA level and reduced GPx and CAT activity were co-found for early-onset FGR (i.e., <34 gestational age). Significant correlations were found with a low birth weight by Apgar scores with reduced levels of antioxidant enzymes. Indeed, the level of OS markers increased in early-onset FGR in newborns with an extremely low body weight and high echogenicity of the periventricular zones, and reduced in late-onset FGR in newborns with IP, hyperbilirubinemia, intraventricular hemorrhage (IVH) and cerebral cysts. A prognostic model (AUC = 1; cutoff—0.5) was developed to assess the risk of IVH in newborns diagnosed with FGR based on the assessment of the OS markers (i.e., MDA + 4 HNE + CAT + GSH). A significant increase in the miR-127-3p expression was found in the plasma of newborns with NS (<32 GA; p ≤ 0.03 and >32 GA; p ≤ 0.009), IP (>32 GA; p ≤ 0.0001), and RDS (>32 GA; p ≤ 0.03). At the same time, the expression of miR-25-3p (p ≤ 0.03) was increased only in newborns with NS (>32 GA; p ≤ 0.03). The risk of developing IVH for premature newborns with IP (AUC = 0.8; cutoff—0.6) and NS (AUC = 0.68; cutoff—0.49) was assessed based on the miR-25-3p and miR-127-3p expression. Several key transcription factors were identified as the targets of studied miRNA since they are involved in the regulation of OS (NRF2), signaling and activation of the immune response (PRDM1, CCL26) and, also, inflammatory responses (NFKB1). The study of these miRNAs showed that they are involved in the modulation of processes leading to perinatal complications. Moreover, miR-127-3p is related to pro-inflammatory reactions and the formation of the macrophage phenotype in newborns with IP, NS, and RDS, while miR-25-3p is associated with an inhibition of macrophage migration and activation of antioxidant enzymes, which may prevent the development of oxidative damage in newborns with NS.
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Foret MK, Lincoln R, Do Carmo S, Cuello AC, Cosa G. Connecting the "Dots": From Free Radical Lipid Autoxidation to Cell Pathology and Disease. Chem Rev 2020; 120:12757-12787. [PMID: 33211489 DOI: 10.1021/acs.chemrev.0c00761] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Our understanding of lipid peroxidation in biology and medicine is rapidly evolving, as it is increasingly implicated in various diseases but also recognized as a key part of normal cell function, signaling, and death (ferroptosis). Not surprisingly, the root and consequences of lipid peroxidation have garnered increasing attention from multiple disciplines in recent years. Here we "connect the dots" between the fundamental chemistry underpinning the cascade reactions of lipid peroxidation (enzymatic or free radical), the reactive nature of the products formed (lipid-derived electrophiles), and the biological targets and mechanisms associated with these products that culminate in cellular responses. We additionally bring light to the use of highly sensitive, fluorescence-based methodologies. Stemming from the foundational concepts in chemistry and biology, these methodologies enable visualizing and quantifying each reaction in the cascade in a cellular and ultimately tissue context, toward deciphering the connections between the chemistry and physiology of lipid peroxidation. The review offers a platform in which the chemistry and biomedical research communities can access a comprehensive summary of fundamental concepts regarding lipid peroxidation, experimental tools for the study of such processes, as well as the recent discoveries by leading investigators with an emphasis on significant open questions.
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Affiliation(s)
- Morgan K Foret
- Department of Pharmacology and Therapeutics, McGill University, 3655 Promenade Sir William Osler, Montreal, Quebec, Canada H3G 1Y6
| | - Richard Lincoln
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec, Canada H3A 0B8
| | - Sonia Do Carmo
- Department of Pharmacology and Therapeutics, McGill University, 3655 Promenade Sir William Osler, Montreal, Quebec, Canada H3G 1Y6
| | - A Claudio Cuello
- Department of Pharmacology and Therapeutics, McGill University, 3655 Promenade Sir William Osler, Montreal, Quebec, Canada H3G 1Y6.,Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec, Canada H3A 0C7.,Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada H3A 2B4
| | - Gonzalo Cosa
- Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec, Canada H3A 0B8
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Abstract
The focus of this contribution is oxidation generated by oxygen and by all other reactive species, with an emphasis on reactive oxygen species. This study considers the different pathways that generate oxidative stress, which is a physiologic process that can become dangerous if becomes excessive and overcomes the reserve of antioxidants. Some of the most important methods to determine oxidative stress in plasma, both in humans and in experimental animals, are discussed; particular attention is given to the d-ROMs test, which detects the hydroperoxides in plasma and is a very simple and reliable method. The antioxidant hierarchy also is discussed to indicate the most powerful physiological antioxidant and those derived from food intake or supplementation. As every antioxidant also can be a pro-oxidant, indications are given about their use and how to avoid the administration of high dosages of a single antioxidant.
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Affiliation(s)
- Umberto Cornelli
- Stritch School of Medicine, Loyola University, Maywood, IL 60153, USA.
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Herbaczynskacedro K, Klosiewiczwasek B. Captopril Does Not Influence the Components of Free Radical Activity Following Acute Myocardial Infarction. Clin Drug Investig 2000. [DOI: 10.2165/00044011-200019060-00006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Spiteller G. Linoleic acid peroxidation--the dominant lipid peroxidation process in low density lipoprotein--and its relationship to chronic diseases. Chem Phys Lipids 1998; 95:105-62. [PMID: 9853364 DOI: 10.1016/s0009-3084(98)00091-7] [Citation(s) in RCA: 154] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Modern separation and identification methods enable detailed insight in lipid peroxidation (LPO) processes. The following deductions can be made: (1) Cell injury activates enzymes: lipoxygenases generate lipid hydroperoxides (LOOHs), proteases liberate Fe ions--these two processes are prerequisites to produce radicals. (2) Radicals attack any activated CH2-group of polyunsaturated fatty acids (PUFAs) with about a similar probability. Since linoleic acid (LA) is the most abundant PUFA in mammals, its LPO products dominate. (3) LOOHs are easily reduced in biological surroundings to corresponding hydroxy acids (LOHs). LOHs derived from LA, hydroxyoctadecadienoic acids (HODEs), surmount other markers of LPO. HODEs are of high physiological relevance. (4) In some diseases characterized by inflammation or cell injury HODEs are present in low density lipoproteins (LDL) at 10-100 higher concentration, compared to LDL from healthy individuals.
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Affiliation(s)
- G Spiteller
- Lehrstuhl Organische Chemie I, Universität Bayreuth, Germany.
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Jira W, Spiteller G, Carson W, Schramm A. Strong increase in hydroxy fatty acids derived from linoleic acid in human low density lipoproteins of atherosclerotic patients. Chem Phys Lipids 1998; 91:1-11. [PMID: 9488997 DOI: 10.1016/s0009-3084(97)00095-9] [Citation(s) in RCA: 106] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Linoleic acid is the most abundant fatty acid in human low density lipoproteins (LDL). Oxidation of LDL transforms linoleic acid to hydroperoxyderivatives. These are converted to 9-hydroxy-10,12-octadecadienoic acid (9-HODE) and 13-hydroxy-9,11-octadecadienoic acid (13-HODE). 9-HODE is much more abundant in oxidized LDL than other lipid peroxidation products and therefore an indicator of lipid peroxidation (LPO). In this study the 9-HODE content in the LDL of 19 obviously healthy volunteers and 17 atherosclerotic patients was investigated. The level of 9-HODE obtained from LDL of young atherosclerotic patients (aged 36-47 years) was increased by a factor of 20 when compared with samples from healthy volunteers of the same age group. The content of 9-HODE in the LDL of atherosclerotic patients aged between 69 and 94 years increased 30-100 fold when compared with young healthy individuals, but when compared with 'healthy' individuals of the same age group it was only 2-3 fold increased. Obviously, as individuals grow older LDL becomes more and more oxidized. Consequently, assuming that LDL oxidation is a precondition for atherosclerosis--older individuals will suffer from atherosclerosis, even if no easy detectable visible signs of this disease are recognizable. According to 9-HODE determination, the onset of the disease starts slowly in most individuals at around 50 years of age.
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Affiliation(s)
- W Jira
- Lehrstuhl für Organische Chemie I, Universität Bayreuth, Germany
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Schimke I, Haberland A, Wirth M, Papies B, Moritz V, Baumann G. Influence of long-term supplementation with alpha-linolenic acid on myocardial lipid peroxidation and antioxidative capacity in spontaneously hypertensive rats. Prostaglandins Leukot Essent Fatty Acids 1997; 57:545-50. [PMID: 9431820 DOI: 10.1016/s0952-3278(97)90558-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The ischaemic vulnerability of the heart of spontaneously hypertensive rats (SHR) is enhanced after feeding an alpha-linolenic acid (LNA) enriched diet. Because oxygen radical-induced reactions (e.g. lipid peroxidation) are involved in the ischaemic damage, an increased susceptibility of the SHR heart to such damaging reactions might be the reason. As a sign of the enhanced susceptibility to lipid peroxidation of LNA-fed SHR, we found (measured as TBARS) higher plasma and heart lipid peroxide levels (3.84 +/- 0.50 micromol/l vs 2.98 +/- 0.78 micromol/l and 507 +/- 127 nmol/g prot. vs 215 +/- 80 nmol/g prot., respectively) after feeding LNA. Using Fe2+/Vit. C to induce lipid peroxidation in myocardial tissue homogenates, we demonstrated the enhanced susceptibility to lipid peroxidation of the LNA-fed SHR heart (68 +/- 12 nmol/min x g prot. vs 40 +/- 8 nmol/min x g prot.) also in vitro. The myocardial enrichment of n-3 polyunsaturated fatty acids (PUFA) resulting in a higher peroxidation index (PI 227 vs. 170) and the loss in myocardial activities of the antioxidative enzymes (SOD: 76 +/- 24 U x 10(3)/g prot. vs 235 +/- 150 U x 10(3)/g prot.; GSH-Px: 32 +/- 5 U/g prot. vs 110 +/- 30 U/g prot.) by feeding LNA could be the cause of the increase in myocardial susceptibility to lipid peroxidation of PUFA supplemented SHR.
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Affiliation(s)
- I Schimke
- Medizinische Klinik und Poliklinik 1, Universitätsklinikum Charité, Humboldt-Universität zu Berlin, Germany
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Haberland A, Damerau W, Stöβer R, Schimke I, Baumann G. Fe2+/vitamin C — An appropriate in vitro model system to initiate lipid peroxidation. J Inorg Biochem 1996. [DOI: 10.1016/0162-0134(95)00032-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ohlin H, Gustavsson CG, Pantev E, Thorvinger B, Ohlin AK. Transient release of lipid peroxidation products as a non-invasive marker of successful reperfusion after thrombolysis for myocardial infarction. BRITISH HEART JOURNAL 1995; 73:223-6. [PMID: 7727180 PMCID: PMC483802 DOI: 10.1136/hrt.73.3.223] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
OBJECTIVES To evaluate an increase in plasma concentration of thiobarbituric acid reactive substances as a non-invasive biochemical test of reperfusion after thrombolysis and to investigate the relation between the inflammatory response after acute myocardial infarction and the production of the substances. METHODS Venous samples were taken from 19 patients receiving thrombolysis for acute myocardial infarction before the start of therapy and every hour afterwards up to 5 hours and then at 24 and 48 hours and the concentration of thiobarbituric acid reactive substances measured. These substances are markers of lipid peroxidation induced by free oxygen radicals. Early reperfusion was judged by regression of ST elevation and late coronary artery patency from the results of coronary angiography 24-72 hours after thrombolysis. RESULTS The concentration of thiobarbituric acid reactive substances increased in only 6 out of 14 patients with signs of early reperfusion. In patients with late coronary artery patency the corresponding number was 6 out of 15. However, a significant increase in the concentration of thiobarbituric acid reactive substances was found for the whole group 24 and 48 hours after treatment. The change in concentration in serum correlated significantly with that of C reactive protein--an acute phase reactant (r = 0.62, P < 0.01)--but not to the serum activities of markers of infarct size such as creatine kinase B and lactate dehydrogenase. CONCLUSIONS The fluorimetric assay used in this study to measure the concentration of thiobarbituric acid reactive substances seems to be an insensitive method of detecting reperfusion after thrombolysis for myocardial infarction. The increase in concentrations found 24 and 48 hours after treatment correlated with C reactive protein concentrations but not with those of markers of infarct size.
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Affiliation(s)
- H Ohlin
- Department of Medicine, University Hospital, Lund, Sweden
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Esterbauer H, Gebicki J, Puhl H, Jürgens G. The role of lipid peroxidation and antioxidants in oxidative modification of LDL. Free Radic Biol Med 1992; 13:341-90. [PMID: 1398217 DOI: 10.1016/0891-5849(92)90181-f] [Citation(s) in RCA: 1583] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The purpose of this study is to provide a comprehensive survey on the compositional properties of LDL (e.g., lipid classes, fatty acids, antioxidants) relevant for its susceptibility to oxidation, on the mechanism and kinetics of LDL oxidation, and on the chemical and physico-chemical properties of LDL oxidized by exposure to copper ions. Studies on the occurrence of oxidized LDL in plasma, arteries, and plaques of humans and experimental animals are discussed with particular focus on the use of poly- and monoclonal antibodies for immunochemical demonstration of apolipoprotein B modifications characteristic for lipid peroxidation. Apart from uptake of oxidized LDL by macrophages, studies describing biological effects of heavily or minimally oxidized LDL are only briefly addressed, since several reviews dealing with this subject were recently published. This article is concluded with a section on the role of natural and synthetic antioxidants in protecting LDL against oxidation, as well as some previously unpublished material from our laboratories.
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Affiliation(s)
- H Esterbauer
- Institute of Biochemistry, University of Graz, Austria
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Schimke I, Haberland A, Will-Shahab L, Küttner I, Papies B. In vitro effects of reactive O2 species on the beta-receptor-adenylyl cyclase system. Mol Cell Biochem 1992; 110:41-6. [PMID: 1315926 DOI: 10.1007/bf02385004] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The irreversible loss of activity of the sarcolemma-localized beta-receptor-adenylyl cyclase system (beta-RAS) in myocardial ischemia is a well documented phenomenon. Alterations in the sarcolemma (SL) induced by reactive O2 species could be responsible for this loss. Therefore the influence of oxidation of SH-groups and lipid peroxidation induced by Fe2+/Vit. C on the beta-RAS activity was studied. During incubation of SL with Fe2+/Vit. C a transient enhancement followed by a continuous loss of the beta-RAS activity (isoprenaline-, NaF-, Gpp(NH)p-, forskolin-stimulated and basal activity) was observed. In contrast there occurred a continuous loss of SH-groups and lipid peroxidation, beginning immediately after the start of incubation. Loss of SH-groups and lipid peroxidation as well as changes in the beta-RAS did not take place in the presence of the antioxidant t-Butyl-4-hydroxyanisole (BHA) or the Fe(2+)-chelator EGTA. In view of the known ischemia-induced formation of reactive O2 species our results show that these powerful oxidants could contribute to the modulation of the beta-RAS during myocardial ischemia.
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Affiliation(s)
- I Schimke
- Institut für Pathologische und Klinische Biochemie, Humboldt-Universität zu Berlin, Germany
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12
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Esterbauer H, Schaur RJ, Zollner H. Chemistry and biochemistry of 4-hydroxynonenal, malonaldehyde and related aldehydes. Free Radic Biol Med 1991; 11:81-128. [PMID: 1937131 DOI: 10.1016/0891-5849(91)90192-6] [Citation(s) in RCA: 4963] [Impact Index Per Article: 150.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Lipid peroxidation often occurs in response to oxidative stress, and a great diversity of aldehydes are formed when lipid hydroperoxides break down in biological systems. Some of these aldehydes are highly reactive and may be considered as second toxic messengers which disseminate and augment initial free radical events. The aldehydes most intensively studied so far are 4-hydroxynonenal, 4-hydroxyhexenal, and malonaldehyde. The purpose of this review is to provide a comprehensive summary on the chemical properties of these aldehydes, the mechanisms of their formation and their occurrence in biological systems and methods for their determination. We will also review the reactions of 4-hydroxyalkenals and malonaldehyde with biomolecules (amino acids, proteins, nucleic acid bases), their metabolism in isolated cells and excretion in whole animals, as well as the many types of biological activities described so far, including cytotoxicity, genotoxicity, chemotactic activity, and effects on cell proliferation and gene expression. Structurally related compounds, such as acrolein, crotonaldehyde, and other 2-alkenals are also briefly discussed, since they have some properties in common with 4-hydroxyalkenals.
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Affiliation(s)
- H Esterbauer
- Institute of Biochemistry, University of Graz, Austria
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