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Hellenthal KEM, Brabenec L, Gross ER, Wagner NM. TRP Channels as Sensors of Aldehyde and Oxidative Stress. Biomolecules 2021; 11:biom11101401. [PMID: 34680034 PMCID: PMC8533644 DOI: 10.3390/biom11101401] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 09/20/2021] [Accepted: 09/22/2021] [Indexed: 12/15/2022] Open
Abstract
The transient receptor potential (TRP) cation channel superfamily comprises more than 50 channels that play crucial roles in physiological processes. TRP channels are responsive to several exogenous and endogenous biomolecules, with aldehydes emerging as a TRP channel trigger contributing to a cellular cascade that can lead to disease pathophysiology. The body is not only exposed to exogenous aldehydes via tobacco products or alcoholic beverages, but also to endogenous aldehydes triggered by lipid peroxidation. In response to lipid peroxidation from inflammation or organ injury, polyunsaturated fatty acids undergo lipid peroxidation to aldehydes, such as 4-hydroxynonenal. Reactive aldehydes activate TRP channels via aldehyde-induced protein adducts, leading to the release of pro-inflammatory mediators driving the pathophysiology caused by cellular injury, including inflammatory pain and organ reperfusion injury. Recent studies have outlined how aldehyde dehydrogenase 2 protects against aldehyde toxicity through the clearance of toxic aldehydes, indicating that targeting the endogenous aldehyde metabolism may represent a novel treatment strategy. An addition approach can involve targeting specific TRP channel regions to limit the triggering of a cellular cascade induced by aldehydes. In this review, we provide a comprehensive summary of aldehydes, TRP channels, and their interactions, as well as their role in pathological conditions and the different therapeutical treatment options.
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Affiliation(s)
- Katharina E. M. Hellenthal
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Muenster, 48149 Muenster, Germany; (K.E.M.H.); (L.B.)
| | - Laura Brabenec
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Muenster, 48149 Muenster, Germany; (K.E.M.H.); (L.B.)
| | - Eric R. Gross
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University, Stanford, CA 94305, USA;
| | - Nana-Maria Wagner
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Muenster, 48149 Muenster, Germany; (K.E.M.H.); (L.B.)
- Correspondence: ; Tel.: +49-251-83-46837
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Cinar I, Sirin B, Aydin P, Toktay E, Cadirci E, Halici I, Halici Z. Ameliorative effect of gossypin against acute lung injury in experimental sepsis model of rats. Life Sci 2019; 221:327-334. [DOI: 10.1016/j.lfs.2019.02.039] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 02/08/2019] [Accepted: 02/18/2019] [Indexed: 02/06/2023]
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Jang EJ, Kim DH, Lee B, Lee EK, Chung KW, Moon KM, Kim MJ, An HJ, Jeong JW, Kim YR, Yu BP, Chung HY. Activation of proinflammatory signaling by 4-hydroxynonenal-Src adducts in aged kidneys. Oncotarget 2018; 7:50864-50874. [PMID: 27472463 PMCID: PMC5239442 DOI: 10.18632/oncotarget.10854] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 07/17/2016] [Indexed: 11/25/2022] Open
Abstract
In our previous study, reactive 4-hydroxy-2-nonenal (4-HNE) was shown to activate Src (a non-receptor tyrosine kinase) by forming an adduct on binding with a specific residue of Src, leading to the activation of proinflammatory signaling pathways in cultured cells. However, to date, the deleterious roles of 4-HNE in inflammatory signaling activation in kidneys during aging have not been explored. The purpose of the present study was to document the mechanisms by which 4-HNE induces inflammation in the kidney during aging. Initial experiments revealed that activated nuclear factor-κB (NF-κB) expression was caused by 4-HNE activation, which suppressed transcriptional activity in the aged kidney. Treatment of human umbilical vein endothelial cells with 4-HNE revealed that Src caused senescence via NF-κB activation. Furthermore, our immunohistochemistry data showed that 4-HNE-adducted Src significantly increased in aged kidney tissues. The data showed age-related upregulation of downstream signaling molecules such as mitogen activated protein kinases (MAPKs), activator protein-1 (AP-1), NF-κB, and COX-2 in a cell culture cell system. Taken together, the results of this study show that the formation of adducts between 4-HNE and Src activates inflammatory signaling pathways in the aged kidney, contributing to age-related nephropathy.
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Affiliation(s)
- Eun Ji Jang
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
| | - Dae Hyun Kim
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
| | - Bonggi Lee
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
| | - Eun Kyeong Lee
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
| | - Ki Wung Chung
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
| | - Kyoung Mi Moon
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
| | - Min Jo Kim
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
| | - Hye Jin An
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
| | - Ji Won Jeong
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
| | - Ye Ra Kim
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
| | - Byung Pal Yu
- Department of Physiology, The University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America
| | - Hae Young Chung
- Department of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan, Republic of Korea
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Proskurnina EV, Dzhatdoeva AA, Lobichenko EN, Shalina RI, Vladimirov YA. Chemiliminescence determination of lipid hydroperoxides in biological fluids. JOURNAL OF ANALYTICAL CHEMISTRY 2017. [DOI: 10.1134/s1061934817050094] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Barrera G, Pizzimenti S, Ciamporcero ES, Daga M, Ullio C, Arcaro A, Cetrangolo GP, Ferretti C, Dianzani C, Lepore A, Gentile F. Role of 4-hydroxynonenal-protein adducts in human diseases. Antioxid Redox Signal 2015; 22:1681-702. [PMID: 25365742 DOI: 10.1089/ars.2014.6166] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
SIGNIFICANCE Oxidative stress provokes the peroxidation of polyunsaturated fatty acids in cellular membranes, leading to the formation of aldheydes that, due to their high chemical reactivity, are considered to act as second messengers of oxidative stress. Among the aldehydes formed during lipid peroxidation (LPO), 4-hydroxy-2-nonenal (HNE) is produced at a high level and easily reacts with both low-molecular-weight compounds and macromolecules, such as proteins and DNA. In particular, HNE-protein adducts have been extensively investigated in diseases characterized by the pathogenic contribution of oxidative stress, such as cancer, neurodegenerative, chronic inflammatory, and autoimmune diseases. RECENT ADVANCES In this review, we describe and discuss recent insights regarding the role played by covalent adducts of HNE with proteins in the development and evolution of those among the earlier mentioned disease conditions in which the functional consequences of their formation have been characterized. CRITICAL ISSUES Results obtained in recent years have shown that the generation of HNE-protein adducts can play important pathogenic roles in several diseases. However, in some cases, the generation of HNE-protein adducts can represent a contrast to the progression of disease or can promote adaptive cell responses, demonstrating that HNE is not only a toxic product of LPO but also a regulatory molecule that is involved in several biochemical pathways. FUTURE DIRECTIONS In the next few years, the refinement of proteomical techniques, allowing the individuation of novel cellular targets of HNE, will lead to a better understanding the role of HNE in human diseases.
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Affiliation(s)
- Giuseppina Barrera
- 1Dipartimento di Scienze Cliniche e Biologiche, Università di Torino, Torino, Italy
| | - Stefania Pizzimenti
- 1Dipartimento di Scienze Cliniche e Biologiche, Università di Torino, Torino, Italy
| | | | - Martina Daga
- 1Dipartimento di Scienze Cliniche e Biologiche, Università di Torino, Torino, Italy
| | - Chiara Ullio
- 1Dipartimento di Scienze Cliniche e Biologiche, Università di Torino, Torino, Italy
| | - Alessia Arcaro
- 2Dipartimento di Medicina e Scienze della Salute, Università del Molise, Campobasso, Italy
| | | | - Carlo Ferretti
- 4Dipartimento di Scienza e Tecnologia del Farmaco, Università di Torino, Torino, Italy
| | - Chiara Dianzani
- 4Dipartimento di Scienza e Tecnologia del Farmaco, Università di Torino, Torino, Italy
| | - Alessio Lepore
- 5Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, Napoli, Italy
| | - Fabrizio Gentile
- 2Dipartimento di Medicina e Scienze della Salute, Università del Molise, Campobasso, Italy
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LUO GANGJIAN, ZHU GUOSONG, YUAN DONGDONG, YAO WEIFENG, CHI XINJIN, HEI ZIQING. Propofol alleviates acute lung injury following orthotopic autologous liver transplantation in rats via inhibition of the NADPH oxidase pathway. Mol Med Rep 2014; 11:2348-54. [DOI: 10.3892/mmr.2014.2924] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2013] [Accepted: 10/31/2014] [Indexed: 11/06/2022] Open
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The protective effect of amiodarone in lung tissue of cecal ligation and puncture-induced septic rats: a perspective from inflammatory cytokine release and oxidative stress. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2013; 386:635-43. [DOI: 10.1007/s00210-013-0862-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Accepted: 03/22/2013] [Indexed: 10/27/2022]
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Borgens RB, Liu-Snyder P. Understanding secondary injury. QUARTERLY REVIEW OF BIOLOGY 2012; 87:89-127. [PMID: 22696939 DOI: 10.1086/665457] [Citation(s) in RCA: 137] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Secondary injury is a term applied to the destructive and self-propagating biological changes in cells and tissues that lead to their dysfunction or death over hours to weeks after the initial insult (the "primary injury"). In most contexts, the initial injury is usually mechanical. The more destructive phase of secondary injury is, however, more responsible for cell death and functional deficits. This subject is described and reviewed differently in the literature. To biomedical researchers, systemic and tissue-level changes such as hemorrhage, edema, and ischemia usually define this subject. To cell and molecular biologists, "secondary injury" refers to a series of predominately molecular events and an increasingly restricted set of aberrant biochemical pathways and products. These biochemical and ionic changes are seen to lead to death of the initially compromised cells and "healthy" cells nearby through necrosis or apoptosis. This latter process is called "bystander damage." These viewpoints have largely dominated the recent literature, especially in studies of the central nervous system (CNS), often without attempts to place the molecular events in the context of progressive systemic and tissue-level changes. Here we provide a more comprehensive and inclusive discussion of this topic.
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Affiliation(s)
- Richard Ben Borgens
- Center for Paralysis Research, School of Veterinary Medicine, Department of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA.
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4-Hydroxy-2-nonenal induces chronic obstructive pulmonary disease-like histopathologic changes in mice. Biochem Biophys Res Commun 2012; 420:84-90. [DOI: 10.1016/j.bbrc.2012.02.119] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Accepted: 02/23/2012] [Indexed: 11/21/2022]
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Usatyuk PV, Natarajan V. Hydroxyalkenals and oxidized phospholipids modulation of endothelial cytoskeleton, focal adhesion and adherens junction proteins in regulating endothelial barrier function. Microvasc Res 2012; 83:45-55. [PMID: 21570987 PMCID: PMC3196796 DOI: 10.1016/j.mvr.2011.04.012] [Citation(s) in RCA: 217] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Revised: 04/27/2011] [Accepted: 04/28/2011] [Indexed: 10/18/2022]
Abstract
Lipid peroxidation of polyunsaturated fatty acids generates bioactive aldehydes, which exhibit pro- and anti-inflammatory effects in cells and tissues. Accumulating evidence indicates that 4-hydroxynonenal (4-HNE), a major aldehyde derived from lipid peroxidation of n-6 polyunsaturated fatty acids trigger signals that modulates focal adhesion and adherens junction proteins thereby inducing endothelial barrier dysfunction. Similarly, oxidized phospholipids (Ox-PLs) generated by lipid peroxidation of phospholipids with polyunsaturated fatty acids have been implicated in atherogenesis, inflammation and gene expression. Interestingly, physiological concentration of Ox-PLs is anti-inflammatory and protect against endotoxin- and ventilator-associated acute lung injury. Thus, excess generation of bioactive hydroxyalkenals and Ox-PLs during oxidative stress contributes to pathophysiology of various diseases by modulating signaling pathways that regulate pro- and anti-inflammatory responses and barrier regulation. This review summarizes the role of 4-HNE and Ox-PLs affecting cell signaling pathways and endothelial barrier dysfunction through modulation of the activities of proteins/enzymes by Michael adducts formation, enhancing the level of protein tyrosine phosphorylation of the target proteins, and by reorganization of cytoskeletal, focal adhesion, and adherens junction proteins. A better understanding of molecular mechanisms of hydroxyalkenals- and Ox-PLs-mediated pro-and anti-inflammatory responses and barrier function may lead to development of novel therapies to ameliorate oxidative stress related cardio-pulmonary disorders.
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Affiliation(s)
- Peter V. Usatyuk
- Department of Pharmacology, University of Illinois at Chicago, Chicago, IL 60612
- Institute for Personalized Respiratory Medicine, University of Illinois at Chicago, Chicago, IL 60612
| | - Viswanathan Natarajan
- Department of Pharmacology, University of Illinois at Chicago, Chicago, IL 60612
- Department of Medicine, University of Illinois at Chicago, Chicago, IL 60612
- Institute for Personalized Respiratory Medicine, University of Illinois at Chicago, Chicago, IL 60612
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Alpha-lipoic acid as a potential target for the treatment of lung injury caused by cecal ligation and puncture-induced sepsis model in rats. Shock 2010; 33:479-84. [PMID: 19823117 DOI: 10.1097/shk.0b013e3181c3cf0e] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
One of the common lethal complications of septic shock, a major cause of morbidity and mortality in patients with severe trauma and so on, is acute lung injury. alpha-Lipoic acid (ALA), with antioxidant properties, is a popular agent. Thus, we investigated the potential protective effects of ALA (200 mg/kg) on sepsis-induced acute lung injury. Rats were exposed to cecal ligation and puncture (CLP) to induce sepsis. Rat groups were designed as (a) sham operated, (b) sham operated + ALA treated, (c) CLP applied, (d) CLP + ALA treated. Sixteen hours after CLP induction, serum samples and lung tissues were obtained for biochemical and histopathological examination. alpha-Lipoic acid decreased the serum levels of inflammatory cytokines such as TNF-alpha and IL-6, which increased after CLP. Increased activity of nuclear factor kappaB in septic lung tissues was decreased by ALA. alpha-Lipoic acid improved the decreased antioxidant activity and alleviated the increased oxidant activity, which occurred after CLP application. We can suggest that ALA showed beneficial effects by decreasing nuclear factor kappaB activation in lung tissues, resulting in decreased serum levels of TNF-alpha and IL-6, and also increasing the antioxidant capacity of the lungs.
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Zhang Y, Liang ZY, Zhang SY, Huang FF, Wu W, Gao Y, Chen ZB. Albumin resuscitation protects against traumatic/hemorrhagic shock-induced lung apoptosis in rats. J Zhejiang Univ Sci B 2009; 9:871-8. [PMID: 18988306 DOI: 10.1631/jzus.b0820130] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To determine the effects of albumin administration on lung injury and apoptosis in traumatic/hemorrhagic shock (T/HS) rats. METHODS Studies were performed on an in vivo model of spontaneously breathing rats with induced T/HS; the rats were subjected to femur fracture, ischemia for 30 min, and reperfusion for 20 min with Ringer's lactate solution (RS) or 5% (w/v) albumin (ALB), and the left lower lobes of the lungs were resected. RESULTS Albumin administered during reperfusion markedly attenuated injury of the lung and decreased the concentration of lactic acid and the number of in situ TdT-mediated dUTP nick-end labelling (TUNEL)-positive cells. Moreover, immunohistochemistry performed 24 h after reperfusion revealed increases in the level of nuclear factor kappaB (NF-kappaB), and phosphorylated p38 mitogen-activated protein kinase (MAPK) in the albumin-untreated group was down-regulated by albumin treatment when compared with the sham rats. CONCLUSION Resuscitation with albumin attenuates tissue injury and inhibits T/HS-induced apoptosis in the lung via the p38 MAPK signal transduction pathway that functions to stimulate the activation of NF-kappaB.
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Affiliation(s)
- Yun Zhang
- Department of Emergency Surgery, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
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Guillén MD, Goicoechea E. Toxic Oxygenated α,β-Unsaturated Aldehydes and their Study in Foods: A Review. Crit Rev Food Sci Nutr 2008; 48:119-36. [DOI: 10.1080/10408390601177613] [Citation(s) in RCA: 120] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Usatyuk PV, Parinandi NL, Natarajan V. Redox regulation of 4-hydroxy-2-nonenal-mediated endothelial barrier dysfunction by focal adhesion, adherens, and tight junction proteins. J Biol Chem 2006; 281:35554-66. [PMID: 16982627 DOI: 10.1074/jbc.m607305200] [Citation(s) in RCA: 323] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
4-Hydroxy-2-nonenal (4-HNE), one of the major biologically active aldehydes formed during inflammation and oxidative stress, has been implicated in a number of cardiovascular and pulmonary disorders. 4-HNE has been shown to increase vascular endothelial permeability; however, the underlying mechanisms are unclear. Hence, in the current study, we tested our hypothesis that 4-HNE-induced changes in cellular thiol redox status may contribute to modulation of cell signaling pathways that lead to endothelial barrier dysfunction. Exposure of bovine lung microvascular endothelial cells (BLMVECs) to 4-HNE induced reactive oxygen species generation, depleted intracellular glutathione, and altered cell-cell adhesion as measured by transendothelial electrical resistance. Pretreatment of BLM-VECs with thiol protectants, N-acetylcysteine and mercaptopropionyl glycine, attenuated 4-HNE-induced decrease in transendothelial electrical resistance, reactive oxygen species generation, Michael protein adduct formation, protein tyrosine phosphorylation, activation of ERK, JNK, and p38 MAPK, and actin cytoskeletal rearrangement. Treatment of BLMVECs with 4-HNE resulted in the redistribution of FAK, paxillin, VE-cadherin, beta-catenin, and ZO-1, and intercellular gap formation. Western blot analyses confirmed the formation of 4-HNE-derived Michael adducts with the focal adhesion and adherens junction proteins. Also, 4-HNE decreased tyrosine phosphorylation of FAK without affecting total cellular FAK contents, suggesting the modification of integrins, which are natural FAK receptors. 4-HNE caused a decrease in the surface integrin in a time-dependent manner without altering total alpha5 and beta3 integrins. These results, for the first time, revealed that 4-HNE in redox-dependent fashion affected endothelial cell permeability by modulating cell-cell adhesion through focal adhesion, adherens, and tight junction proteins as well as integrin signal transduction that may lead dramatic alteration in endothelial cell barrier dysfunction during heart infarction, brain stroke, and lung diseases.
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Affiliation(s)
- Peter V Usatyuk
- Section of Pulmonary and Critical Care Medicine, Division of Biological Sciences, University of Chicago, Chicago, Illinois 60637, USA
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Affiliation(s)
- Henry Jay Forman
- School of Natural Sciences, University of California at Merced, Merced, CA 95344, USA.
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Usatyuk PV, Natarajan V. Role of mitogen-activated protein kinases in 4-hydroxy-2-nonenal-induced actin remodeling and barrier function in endothelial cells. J Biol Chem 2003; 279:11789-97. [PMID: 14699126 DOI: 10.1074/jbc.m311184200] [Citation(s) in RCA: 124] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
In vivo and in vitro studies indicate that 4-hydroxy-2-nonenal (4-HNE), generated by cellular lipid peroxidation or after oxidative stress, affects endothelial permeability and vascular tone. However, the mechanism(s) of 4-HNE-induced endothelial barrier function is not well defined. Here we provide evidence for the first time on the involvement of mitogen-activated protein kinases (MAPKs) in 4-HNE-mediated actin stress fiber formation and barrier function in lung endothelial cells. Treatment of bovine lung microvascular endothelial cells with hydrogen peroxide (H(2)O(2)), as a model oxidant, resulted in accumulation of 4-HNE as evidenced by the formation of 4-HNE-Michael protein adducts. Exposure of cells to 4-HNE, in a dose- and time-dependent manner, decreased endothelial cell permeability measured as transendothelial electrical resistance. The 4-HNE-induced permeability changes were not because of cytotoxicity or endothelial cell apoptosis, which occurred after prolonged treatment and at higher concentrations of 4-HNE. 4-HNE-induced changes in transendothelial electrical resistance were calcium independent, as 4-HNE did not alter intracellular free calcium levels as compared with H(2)O(2) or diperoxovanadate. Stimulation of quiescent cells with 4-HNE (1-100 microm) resulted in phosphorylation of ERK1/2, JNK, and p38 MAPKs, and actin cytoskeleton remodeling. Furthermore, pretreatment of bovine lung microvascular endothelial cells with PD 98059 (25 microm), an inhibitor of MEK1/2, or SP 600125 (25 microm), an inhibitor of JNK, or SB 202190 (25 microm), an inhibitor of p38 MAPK, partially attenuated 4-HNE-mediated barrier function and cytoskeletal remodeling. These results suggest that the activation of ERK, JNK, and p38 MAP kinases is involved in 4-HNE-mediated actin remodeling and endothelial barrier function.
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Affiliation(s)
- Peter V Usatyuk
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21224, USA
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Nakashima I, Liu W, Akhand AA, Takeda K, Kawamoto Y, Kato M, Suzuki H. 4-hydroxynonenal triggers multistep signal transduction cascades for suppression of cellular functions. Mol Aspects Med 2003; 24:231-8. [PMID: 12893001 DOI: 10.1016/s0098-2997(03)00018-9] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
4-hydroxynonenal (HNE), an aldehyde product of membrane lipid peroxidation, has been suggested to mediate a number of oxidative stress-linked pathological events in humans, including cellular growth inhibition and apoptosis induction. Because HNE is potentially reactive to a number of both cell surface and intracellular proteins bearing sulfhydryl, amino and imidazole groups, it seems that there are multiple signal transduction cascades. Here we briefly review the HNE-triggered signal transduction cascades that lead to suppression of cellular functions and to cell death, based mainly on our own recent study results. We first showed that formation of HNE-cell surface protein adducts, which mimicked ligand-cell surface receptor binding, induced activation of receptor-type protein tyrosine kinases such as epithelial growth factor receptor (EGFR) and that this caused growth inhibition through a cascade of activation of EGFR, Shc and ERK. Next, we showed that HNE-mediated scavenging of cellular glutathione led to activation of caspases and to DNA fragmentation through a Fas-independent and mitochondria-linked pro-apoptotic signal pathway. More recently, we have obtained evidence that the HNE-triggered signal cascade for caspase activation encounters complex positive feedback regulatory mechanisms that are linked to the inhibition of anti-apoptotic signals and are dependent on caspase activity. Underlying multiple regulatory mechanisms, including mechanisms of activation of Akt-dephosphorylating PP2A activity, activities of protein tyrosine kinases have been shown to be biphasically controlled by HNE. In addition, we have obtained results suggesting that HNE inhibits phosphorylation of IkappaB, possibly by targeting some elements upstream of IkappaB, which might downregulate the NF-kappaB-mediated cellular responses, including serum deprivation-induced iNOS expression and generation of anti-apoptotic signals. These results suggest that HNE reacts with multiple cell surface and intracellular sites for triggering a network of signal transduction that is ultimately focused on suppression of cellular functions.
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Affiliation(s)
- Izumi Nakashima
- Department of Immunology, Graduate School of Medicine, University of Nagoya, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.
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Ozdulger A, Cinel I, Koksel O, Cinel L, Avlan D, Unlu A, Okcu H, Dikmengil M, Oral U. The protective effect of N-acetylcysteine on apoptotic lung injury in cecal ligation and puncture-induced sepsis model. Shock 2003; 19:366-72. [PMID: 12688549 DOI: 10.1097/00024382-200304000-00012] [Citation(s) in RCA: 141] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Apoptotic loss of parenchymal cells may lead to organ dysfunctions in critically ill patients with septic states. As an antioxidant, the protective effects of N-acetylcysteine (NAC) are documented in many experimental and clinical studies. In this experimental study, we investigated the role of chronically used NAC in septic lung injury on a cecal ligation and puncture (CLP) model. To evaluate this, 30 male Wistar rats were randomly divided into four groups as sham (n = 7), CLP (n = 8), sham + NAC (n = 7) and CLP + NAC (n = 8) groups. NAC was administered 150 mg kg(-1) day through intramuscular route beginning 6 h after the operations and lasting for a period of 1 week. One week later, histopathology and epithelial apoptosis were assessed by hematoxylin-eosin and immunohistochemically by M30 and caspase 3 staining to demonstrate septic lung injury. Additionally, lung tissue myeloperoxidase (MPO) activity, malondialdehyde (MDA), and nitrite/nitrate levels were measured. The MPO activity and MDA levels in lung homogenates were found to be increased in CLP group and the administration of NAC prevented their increase significantly (P < 0.05). However, there were no significant differences among the groups regarding nitrite/nitrate levels. The number of apoptotic cells was significantly lower in CLP+NAC group than CLP group, and this finding was supported by M30 and caspase 3 expression in lung (P < 0.05). Lung histopathology was also protected by NAC in CLP-induced sepsis. In conclusion, the chronic use of NAC inhibited MPO activity and lipid peroxidation, which resulted in reduction of apoptosis in lung in this CLP model. Because lung tissue nitrite/nitrate levels did not change significantly, organs other than the lungs may be responsible for producing the increased nitric oxide during sepsis. The chronic use of NAC needs further investigation for its possible antiapoptotic potential in septic states besides its documented antioxidant and antiinflammatory effects.
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Affiliation(s)
- Ali Ozdulger
- Department of Thoracic and Cardiovascular Surgery, Mersin University School of Medicine, Mersin, Turkey
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Mauriz JL, González P, Jorquera F, Olcoz JL, González-Gallego J. Caspase inhibition does not protect against liver damage in hemorrhagic shock. Shock 2003; 19:33-7. [PMID: 12558141 DOI: 10.1097/00024382-200301000-00007] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
This study was aimed to determine whether administration of an inhibitor of caspase-3 protects hepatocellular function in rats with hemorrhagic shock and whether caspases are important pharmacological targets in attenuating liver injury induced by hemorrhagic shock and resuscitation. Male adult rats were subjected to hemorrhagic shock by bleeding to a mean arterial blood pressure of 35-40 mmHg for 1 h and were then resuscitation with 60% shed blood and lactated Ringers solution. A subgroup of animals was injected i.v. with 2 mg/kg caspase inhibitor, Z-DEVD-FMK, prior to blood withdrawal. Fas ligand expression was markedly elevated and caspase-3 activity increased by 3-fold in hemorrhagic untreated rats. The increase in caspase-3 activity was prevented by administration of Z-DEVD-FMK prior to shock and resuscitation. Poly (adenosine diphosphate ribose) polymerase proteolysis was reduced in rats treated with the caspase-3 inhibitor compared with hemorrhagic untreated animals. Plasma aspartate aminotransferase and alanine aminotransferase values showed a significant increase at 6 h of shock in untreated animals (+360% and +515% as compared with sham-operated animals, respectively). Administration of the caspase-3 inhibitor did not prevent the increase in plasma transaminases. The cytosolic concentration of thiobarbituric acid-reactive substances (TBARS) and the oxidized:reduced glutathione ratio increased in the animals with hemorrhagic shock (+94% and +170%, respectively). These parameters were not significantly modified by pretreatment with Z-DEVD-FMK. It appears that caspase inhibition does not attenuate hepatocellular depression and liver injury induced by hemorrhagic shock and resuscitation.
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Hoffmann G, Totzke G, Seibel M, Smolny M, Wiedermann FJ, Schobersberger W. In vitro modulation of inducible nitric oxide synthase gene expression and nitric oxide synthesis by procalcitonin. Crit Care Med 2001; 29:112-6. [PMID: 11176169 DOI: 10.1097/00003246-200101000-00023] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
OBJECTIVE Serum procalcitonin (PCT) concentration was recently introduced as valuable diagnostic marker for systemic bacterial infection and sepsis. At present, the cellular sources and biological properties of PCT are unclear. During sepsis and septic shock, inducible nitric oxide synthase (iNOS) gene expression is stimulated followed by the release of large amounts of nitric oxide (NO). We investigated the possible association between PCT and iNOS gene expression in an in vitro cell culture model. DESIGN Prospective, controlled in vitro cell culture study. SETTING University research laboratories. INTERVENTIONS Confluent rat vascular smooth muscle cells (VSMC) were incubated for 24 hrs and 48 hrs with PCT (1 ng/mL, 10 ng/mL, 100 ng/mL, 1,000 ng/mL, 5,000 ng/mL) alone or with the combination of tumor necrosis factor-alpha (TNF-alpha, 500 U/mL) plus interferon-gamma (IFN-gamma, 100 U/mL). iNOS gene expression was measured by qualitative as well as quantitative polymerase chain reaction analysis, NO release was estimated by the modified Griess method. MEASUREMENTS AND MAIN RESULTS PCT in increasing concentrations had no effect on iNOS gene expression and nitrite/nitrate release for 24 hrs and 48 hrs, respectively. However, PCT ameliorated TNF-alpha/IFN-gamma-induced iNOS gene expression in a dose-dependent manner (maximal inhibition at PCT 100 ng/mL by -66% for 24 hrs and -80% for 48 hrs). This was accompanied by a significantly reduced release of nitrite/nitrate into the cell culture supernatant (maximal reduction at PCT 100 ng/mL by -56% and -45% for 24 hrs and 48 hrs, respectively). CONCLUSIONS We conclude that recombinant PCT inhibits the iNOS-inducing effects of the proinflammatory cytokines TNF-alpha/ IFN-gamma in a dose-dependent manner. This might be a counter-regulatory mechanism directed against the large production of NO and the concomitant systemic hypotension in severe sepsis and septic shock.
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Affiliation(s)
- G Hoffmann
- Department of Physiology I, University of Bonn, Germany
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Deb S, Sun L, Martin B, Talens E, Burris D, Kaufmann C, Rich N, Rhee P. Lactated ringer's solution and hetastarch but not plasma resuscitation after rat hemorrhagic shock is associated with immediate lung apoptosis by the up-regulation of the Bax protein. THE JOURNAL OF TRAUMA 2000; 49:47-53; discussion 53-5. [PMID: 10912857 DOI: 10.1097/00005373-200007000-00007] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND We previously demonstrated that the type of resuscitation fluid used in hemorrhagic shock affects apoptosis. Unlike crystalloid, whole blood seems to attenuate programmed cell death. The purpose of this study was to determine whether the acellular components of whole blood (plasma, albumin) attenuated apoptosis and to determine whether this process involved the Bax protein pathway. METHODS Rats were hemorrhaged 27.5 mL/kg, kept in hypovolemic shock for 75 minutes, then resuscitated over 1 hour (n = 44). Control animals underwent anesthesia only (sham, n = 7). Treatment animals were bled then randomly assigned to the following resuscitation groups: no resuscitation (n = 6), whole blood (n = 6), plasma (n = 6), 5% human albumin (n = 6), 6% hetastarch (n = 7), and lactated Ringer's solution (LR, n = 6). Hetastarch was used to control for any colloid effect. LR was used as positive control. Immediately after resuscitation, the lung was collected and evaluated for apoptosis by using two methods. TUNEL stain was used to determine general DNA damage, and Bax protein was used to specifically determine intrinsic pathway involvement. RESULTS LR and hetastarch treatment resulted in significantly increased apoptosis in the lung as determined by both TUNEL and Bax expression (p < 0.05). Plasma infusion resulted in significantly less apoptosis than LR and hetastarch resuscitation. Multiple cell types (epithelium, endothelium, smooth muscle, monocytes) underwent apoptosis in the lung as demonstrated by the TUNEL stain, whereas Bax expression was limited to cells residing in the perivascular and peribronchial spaces. CONCLUSION Apoptosis after volume resuscitation of hemorrhagic shock can be affected by the type of resuscitation fluid used. Manufactured fluids such as lactated Ringer's solution and 6% hetastarch resuscitation resulted in the highest degree of lung apoptosis. The plasma component of whole blood resulted in the least apoptosis. The process of apoptosis after hemorrhagic shock resuscitation involves the Bax protein.
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Affiliation(s)
- S Deb
- Department of Surgery, National Naval Medical Center, Bethesda, Maryland, USA
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Liu W, Kato M, Akhand AA, Hayakawa A, Suzuki H, Miyata T, Kurokawa K, Hotta Y, Ishikawa N, Nakashima I. 4-hydroxynonenal induces a cellular redox status-related activation of the caspase cascade for apoptotic cell death. J Cell Sci 2000; 113 ( Pt 4):635-41. [PMID: 10652256 DOI: 10.1242/jcs.113.4.635] [Citation(s) in RCA: 150] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
4-Hydroxynonenal (HNE), a diffusible product of lipid peroxidation, has been suggested to be a key mediator of oxidative stress-induced cell death. In this study, we partially characterized the mechanism of HNE-mediated cytotoxicity. Incubation of human T lymphoma Jurkat cells with 20–50 μM HNE led to cell death accompanied by DNA fragmentation. Western blot analysis showed that HNE-treatment induced time- and dose-dependent activation of caspase-8, caspase-9 and caspase-3. HNE-induced caspase-3 processing was confirmed by a flow cytometric demonstration of increased catalytic activity on the substrate peptide. HNE treatment also led to remarkable cleavage of poly(ADP-ribose) polymerase (PARP), which was prevented by pretreatment of cells with DEVD-FMK as a caspase-3 inhibitor. The HNE-mediated activation of caspases, cleavage of PARP and DNA fragmentation were blocked by antioxidants cysteine, N-acety-L-cysteine and dithiothreitol, but not by two other HNE-reactive amino acids lysine and histidine, or by cystine, the oxidized form of cysteine. HNE rapidly decreased levels of intracellular reduced glutathione (GSH) and its oxidized form GSSG, and these were also attenuated by the reductants. Coincubation of Jurkat cells with a blocking anti-Fas antibody prevented Fas-induced but not HNE-induced activation of caspase-3. HNE also activated caspase-3 in K562 cells that do not express functional Fas. Our results thereby demonstrate that HNE triggers oxidative stress-linked apoptotic cell death through activation of the caspase cascade. The results also suggest a possible mechanism involving a direct scavenge of intracellular GSH by HNE.
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Affiliation(s)
- W Liu
- Department of Immunology, Nagoya University School of Medicine, Showa-ku, Nagoya 466-8550, Japan
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Murakami A, Ohigashi H, Koshimizu K. Chemoprevention: Insights into biological mechanisms and promising food factors. FOOD REVIEWS INTERNATIONAL 1999. [DOI: 10.1080/87559129909541194] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Parola M, Bellomo G, Robino G, Barrera G, Dianzani MU. 4-Hydroxynonenal as a biological signal: molecular basis and pathophysiological implications. Antioxid Redox Signal 1999; 1:255-84. [PMID: 11229439 DOI: 10.1089/ars.1999.1.3-255] [Citation(s) in RCA: 211] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Reactive oxygen intermediates (ROI) and other pro-oxidant agents are known to elicit, in vivo and in vitro, oxidative decomposition of omega-3 and omega-6 polyunsaturated fatty acids of membrane phospholipids (i.e, lipid peroxidation). This leads to the formation of a complex mixture of aldehydic end-products, including malonyldialdehyde (MDA), 4-hydroxy-2,3-nonenal (HNE), and other 4-hydroxy-2,3-alkenals (HAKs) of different chain length. These aldehydic molecules have been considered originally as ultimate mediators of toxic effects elicited by oxidative stress occurring in biological material. Experimental and clinical evidence coming from different laboratories now suggests that HNE and HAKs can also act as bioactive molecules in either physiological and pathological conditions. These aldehydic compounds can affect and modulate, at very low and nontoxic concentrations, several cell functions, including signal transduction, gene expression, cell proliferation, and, more generally, the response of the target cell(s). In this review article, we would like to offer an up-to-date review on this particular aspect of oxidative stress--dependent modulation of cellular functions-as well as to offer comments on the related pathophysiological implications, with special reference to human conditions of disease.
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Affiliation(s)
- M Parola
- Dipartimento di Medicina e Oncologia Sperimentale, Università degli Studi di Torino, Italy.
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