1
|
Qiao X, Yin J, Zheng Z, Li L, Feng X. Endothelial cell dynamics in sepsis-induced acute lung injury and acute respiratory distress syndrome: pathogenesis and therapeutic implications. Cell Commun Signal 2024; 22:241. [PMID: 38664775 PMCID: PMC11046830 DOI: 10.1186/s12964-024-01620-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Sepsis, a prevalent critical condition in clinics, continues to be the leading cause of death from infections and a global healthcare issue. Among the organs susceptible to the harmful effects of sepsis, the lungs are notably the most frequently affected. Consequently, patients with sepsis are predisposed to developing acute lung injury (ALI), and in severe cases, acute respiratory distress syndrome (ARDS). Nevertheless, the precise mechanisms associated with the onset of ALI/ARDS remain elusive. In recent years, there has been a growing emphasis on the role of endothelial cells (ECs), a cell type integral to lung barrier function, and their interactions with various stromal cells in sepsis-induced ALI/ARDS. In this comprehensive review, we summarize the involvement of endothelial cells and their intricate interplay with immune cells and stromal cells, including pulmonary epithelial cells and fibroblasts, in the pathogenesis of sepsis-induced ALI/ARDS, with particular emphasis placed on discussing the several pivotal pathways implicated in this process. Furthermore, we discuss the potential therapeutic interventions for modulating the functions of endothelial cells, their interactions with immune cells and stromal cells, and relevant pathways associated with ALI/ARDS to present a potential therapeutic strategy for managing sepsis and sepsis-induced ALI/ARDS.
Collapse
Affiliation(s)
- Xinyu Qiao
- Shandong Provincial Key Laboratory for Rheumatic Disease and Translational Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- School of Clinical and Basic Medical Sciences, Shandong First Medical University& Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Junhao Yin
- Shandong Provincial Key Laboratory for Rheumatic Disease and Translational Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- School of Clinical and Basic Medical Sciences, Shandong First Medical University& Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Zhihuan Zheng
- Shandong Provincial Key Laboratory for Rheumatic Disease and Translational Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- School of Clinical and Basic Medical Sciences, Shandong First Medical University& Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Liangge Li
- Shandong Provincial Key Laboratory for Rheumatic Disease and Translational Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
- School of Clinical and Basic Medical Sciences, Shandong First Medical University& Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Xiujing Feng
- Shandong Provincial Key Laboratory for Rheumatic Disease and Translational Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China.
- School of Clinical and Basic Medical Sciences, Shandong First Medical University& Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China.
- Key Laboratory of Endocrine Glucose & Lipids Metabolism and Brain Aging, Ministry of Education; Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China.
| |
Collapse
|
2
|
Buijsers B, Maciej-Hulme M, Jacobs M, Bebber MBV, de Graaf M, Salmenov R, Parr N, Rabelink TJ, Nijenhuis T, van der Vlag J. Glycosaminoglycans and fucoidan have a protective effect on experimental glomerulonephritis. Front Mol Biosci 2023; 10:1223972. [PMID: 37475889 PMCID: PMC10354240 DOI: 10.3389/fmolb.2023.1223972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 06/26/2023] [Indexed: 07/22/2023] Open
Abstract
Background: The glomerular endothelial glycocalyx is degraded during inflammation. The glycocalyx plays a pivotal role in endothelial function and is involved in many processes including binding of chemokines and cytokines, leukocyte trafficking, and preventing proteinuria. HS-based therapeutics are a promising novel class of anti-inflammatory drugs to restore a compromised endothelial glycocalyx under inflammatory conditions. Recently, we demonstrated that treatment with HS extracted from unstimulated glomerular endothelial glycocalyx (unstimulated HSglx) reduced albuminuria during anti-GBM induced glomerulonephritis. Since endothelial HS domains are distinct in unstimulated versus inflammatory conditions, we hypothesized that 1) unstimulated HSglx, 2) LPS-stimulated HSglx, 3) the HS-mimetic fucoidan and 4) the glycosaminoglycan preparation sulodexide, which is a mixture of low molecular weight heparin and dermatan sulfate, might have different beneficial effects in experimental glomerulonephritis. Methods: The effect of unstimulated HSglx, LPS HSglx, Laminaria japonica fucoidan, or sulodexide on experimental glomerulonephritis was tested in LPS-induced glomerulonephritis in mice. Analyses included urinary albumin creatinine measurement, cytokine expression in plasma and renal cortex, and renal influx of immune cells determined by flow cytometry and immunofluorescence staining. Furthermore, the observed in vivo effects were evaluated in cultured glomerular endothelial cells and peripheral blood mononuclear cells by measuring cytokine and ICAM-1 expression levels. The ability of the compounds to inhibit heparanase activity was assessed in a heparanase activity assay. Results: Treatment of mice with LPS HSglx or sulodexide near-significantly attenuated LPS-induced proteinuria. All treatments reduced plasma MCP-1 levels, whereas only fucoidan reduced IL-6 and IL-10 plasma levels. Moreover, all treatments reversed cortical ICAM-1 mRNA expression and both fucoidan and sulodexide reversed cortical IL-6 and nephrin mRNA expression. Sulodexide decreased renal influx of CD45+ immune cells whereas renal influx of macrophages and granulocytes remained unaltered for all treatments. Although all compounds inhibited HPSE activity, fucoidan and sulodexide were the most potent inhibitors. Notably, fucoidan and sulodexide decreased LPS-induced mRNA expression of ICAM-1 and IL-6 by cultured glomerular endothelial cells. Conclusion: Our data show a potentially protective effect of glycosaminoglycans and fucoidan in experimental glomerulonephritis. Future research should be aimed at the further identification of defined HS structures that have therapeutic potential in the treatment of glomerular diseases.
Collapse
Affiliation(s)
- Baranca Buijsers
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Marissa Maciej-Hulme
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Maaike Jacobs
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Marinka Bakker-van Bebber
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Mark de Graaf
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Rustem Salmenov
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Naomi Parr
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Ton J. Rabelink
- Division of Nephrology, Department of Internal Medicine, The Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, Netherlands
| | - Tom Nijenhuis
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Johan van der Vlag
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| |
Collapse
|
3
|
Balistrieri A, Makino A, Yuan JXJ. Pathophysiology and pathogenic mechanisms of pulmonary hypertension: role of membrane receptors, ion channels, and Ca 2+ signaling. Physiol Rev 2023; 103:1827-1897. [PMID: 36422993 PMCID: PMC10110735 DOI: 10.1152/physrev.00030.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 11/11/2022] [Accepted: 11/19/2022] [Indexed: 11/25/2022] Open
Abstract
The pulmonary circulation is a low-resistance, low-pressure, and high-compliance system that allows the lungs to receive the entire cardiac output. Pulmonary arterial pressure is a function of cardiac output and pulmonary vascular resistance, and pulmonary vascular resistance is inversely proportional to the fourth power of the intraluminal radius of the pulmonary artery. Therefore, a very small decrease of the pulmonary vascular lumen diameter results in a significant increase in pulmonary vascular resistance and pulmonary arterial pressure. Pulmonary arterial hypertension is a fatal and progressive disease with poor prognosis. Regardless of the initial pathogenic triggers, sustained pulmonary vasoconstriction, concentric vascular remodeling, occlusive intimal lesions, in situ thrombosis, and vascular wall stiffening are the major and direct causes for elevated pulmonary vascular resistance in patients with pulmonary arterial hypertension and other forms of precapillary pulmonary hypertension. In this review, we aim to discuss the basic principles and physiological mechanisms involved in the regulation of lung vascular hemodynamics and pulmonary vascular function, the changes in the pulmonary vasculature that contribute to the increased vascular resistance and arterial pressure, and the pathogenic mechanisms involved in the development and progression of pulmonary hypertension. We focus on reviewing the pathogenic roles of membrane receptors, ion channels, and intracellular Ca2+ signaling in pulmonary vascular smooth muscle cells in the development and progression of pulmonary hypertension.
Collapse
Affiliation(s)
- Angela Balistrieri
- Section of Physiology, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
- Harvard University, Cambridge, Massachusetts
| | - Ayako Makino
- Division of Endocrinology and Metabolism, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Jason X-J Yuan
- Section of Physiology, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| |
Collapse
|
4
|
Lu Q, Sun X, Yegambaram M, Ornatowski W, Wu X, Wang H, Garcia-Flores A, Da Silva V, Zemskov EA, Tang H, Fineman JR, Tieu K, Wang T, Black SM. Nitration-mediated activation of the small GTPase RhoA stimulates cellular glycolysis through enhanced mitochondrial fission. J Biol Chem 2023; 299:103067. [PMID: 36841483 PMCID: PMC10060112 DOI: 10.1016/j.jbc.2023.103067] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 02/27/2023] Open
Abstract
Mitochondrial fission and a Warburg phenotype of increased cellular glycolysis are involved in the pathogenesis of pulmonary hypertension (PH). The purpose of this study was to determine whether increases in mitochondrial fission are involved in a glycolytic switch in pulmonary arterial endothelial cells (PAECs). Mitochondrial fission is increased in PAEC isolated from a sheep model of PH induced by pulmonary overcirculation (Shunt PAEC). In Shunt PAEC we identified increases in the S616 phosphorylation responsible for dynamin-related protein 1 (Drp1) activation, the mitochondrial redistribution of Drp1, and increased cellular glycolysis. Reducing mitochondrial fission attenuated cellular glycolysis in Shunt PAEC. In addition, we observed nitration-mediated activation of the small GTPase RhoA in Shunt PAEC, and utilizing a nitration-shielding peptide, NipR1 attenuated RhoA nitration and reversed the Warburg phenotype. Thus, our data identify a novel link between RhoA, mitochondrial fission, and cellular glycolysis and suggest that targeting RhoA nitration could have therapeutic benefits for treating PH.
Collapse
Affiliation(s)
- Qing Lu
- Center of Translational Science, Florida International University, Port St Lucie, Florida, USA; Department of Environmental Health Sciences, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, Florida, USA
| | - Xutong Sun
- Center of Translational Science, Florida International University, Port St Lucie, Florida, USA; Department of Environmental Health Sciences, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, Florida, USA
| | | | - Wojciech Ornatowski
- Department of Medicine, University of Arizona Health Sciences, Tucson, Arizona, USA
| | - Xiaomin Wu
- Department of Medicine, University of Arizona Health Sciences, Tucson, Arizona, USA
| | - Hui Wang
- Department of Medicine, University of Arizona Health Sciences, Tucson, Arizona, USA
| | - Alejandro Garcia-Flores
- Center of Translational Science, Florida International University, Port St Lucie, Florida, USA; Department of Environmental Health Sciences, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, Florida, USA
| | - Victoria Da Silva
- Center of Translational Science, Florida International University, Port St Lucie, Florida, USA; Department of Environmental Health Sciences, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, Florida, USA
| | - Evgeny A Zemskov
- Center of Translational Science, Florida International University, Port St Lucie, Florida, USA; Department of Cellular Biology & Pharmacology, Howard Wertheim College of Medicine, Florida International University, Miami, Florida, USA
| | - Haiyang Tang
- Center of Translational Science, Florida International University, Port St Lucie, Florida, USA; Department of Environmental Health Sciences, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, Florida, USA
| | - Jeffrey R Fineman
- Department of Pediatrics, University of California San Francisco, San Francisco, California, USA; Cardiovascular Research Institute, University of California San Francisco, San Francisco, California, USA
| | - Kim Tieu
- Department of Environmental Health Sciences, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, Florida, USA
| | - Ting Wang
- Center of Translational Science, Florida International University, Port St Lucie, Florida, USA; Department of Environmental Health Sciences, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, Florida, USA
| | - Stephen M Black
- Center of Translational Science, Florida International University, Port St Lucie, Florida, USA; Department of Environmental Health Sciences, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, Florida, USA; Department of Cellular Biology & Pharmacology, Howard Wertheim College of Medicine, Florida International University, Miami, Florida, USA.
| |
Collapse
|
5
|
Gain C, Song S, Angtuaco T, Satta S, Kelesidis T. The role of oxidative stress in the pathogenesis of infections with coronaviruses. Front Microbiol 2023; 13:1111930. [PMID: 36713204 PMCID: PMC9880066 DOI: 10.3389/fmicb.2022.1111930] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 12/23/2022] [Indexed: 01/15/2023] Open
Abstract
Coronaviruses can cause serious respiratory tract infections and may also impact other end organs such as the central nervous system, the lung and the heart. The coronavirus disease 2019 (COVID-19) has had a devastating impact on humanity. Understanding the mechanisms that contribute to the pathogenesis of coronavirus infections, will set the foundation for development of new treatments to attenuate the impact of infections with coronaviruses on host cells and tissues. During infection of host cells, coronaviruses trigger an imbalance between increased production of reactive oxygen species (ROS) and reduced antioxidant host responses that leads to increased redox stress. Subsequently, increased redox stress contributes to reduced antiviral host responses and increased virus-induced inflammation and apoptosis that ultimately drive cell and tissue damage and end organ disease. However, there is limited understanding how different coronaviruses including SARS-CoV-2, manipulate cellular machinery that drives redox responses. This review aims to elucidate the redox mechanisms involved in the replication of coronaviruses and associated inflammation, apoptotic pathways, autoimmunity, vascular dysfunction and tissue damage that collectively contribute to multiorgan damage.
Collapse
Affiliation(s)
| | | | | | | | - Theodoros Kelesidis
- Department of Medicine, Division of Infectious Diseases, University of California, Los Angeles, Los Angeles, CA, United States
| |
Collapse
|
6
|
Kosutova P, Nemcova N, Kolomaznik M, Mokra D, Calkovska A, Mikolka P. Time-Dependent Oxidative Alterations in Plasma and Lung Tissue after Meconium Aspiration in a Rabbit Model. Antioxidants (Basel) 2022; 12:antiox12010037. [PMID: 36670899 PMCID: PMC9854924 DOI: 10.3390/antiox12010037] [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: 11/24/2022] [Revised: 12/19/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Aspirated meconium into a newborn's airways induces the transcription of pro-oxidative mediators that cooperate in the pathogenesis of inflammatory changes and may negatively affect the commonly used exogenous surfactant therapy. However, inflammation is not treated at present, nor is the time dependence of oxidative damage known. The aim of our study was to describe the time course of oxidative stress marker production during meconium aspiration syndrome (MAS) and its relationship to leukocyte infiltration. New Zealand rabbits were instilled with saline or meconium suspension and ventilated for 5.5 h. Respiratory parameters were recorded and blood samples were taken before meconium application and in time intervals of 15 and 30 min, 1.0, 1.5, 3.5 and 5.5 h after application to evaluate oxidative markers and differential leukocytes count. Meconium aspiration led to a worsening of respiratory parameters and a decrease in leukocytes in the first 15 min. Changes in leukocytes were correlated both with nitrotyrosine (3NT) levels and thiobarbituric acid reactive substance (TBARS) levels, with the latter also related to changes in neutrophil count. The production of 3NT and TBARS increased in 1.5 and 3.5 h, respectively, in different ways, suggesting more than one source of oxidative agents and a potential risk of exogenous surfactant inactivation in a short time. We observed that MAS triggered neutrophil migration to the alveolar space and activation, as shown by the increased expression of pro-inflammatory cytokines and generation of indicators of oxidative damage to proteins and lipids during the time period when iNOS and NO metabolites were released.
Collapse
Affiliation(s)
- Petra Kosutova
- Biomedical Centre Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Nikolett Nemcova
- Department of Physiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Maros Kolomaznik
- Biomedical Centre Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Daniela Mokra
- Department of Physiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Andrea Calkovska
- Department of Physiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia
| | - Pavol Mikolka
- Biomedical Centre Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia
- Department of Physiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia
- Correspondence:
| |
Collapse
|
7
|
Luan R, Ding D, Yang J. The protective effect of natural medicines against excessive inflammation and oxidative stress in acute lung injury by regulating the Nrf2 signaling pathway. Front Pharmacol 2022; 13:1039022. [PMID: 36467050 PMCID: PMC9709415 DOI: 10.3389/fphar.2022.1039022] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 11/02/2022] [Indexed: 09/29/2023] Open
Abstract
Acute lung injury (ALI) is a common critical disease of the respiratory system that progresses into acute respiratory distress syndrome (ARDS), with high mortality, mainly related to pulmonary oxidative stress imbalance and severe inflammation. However, there are no clear and effective treatment strategies at present. Nuclear factor erythroid 2-related factor 2(Nrf2) is a transcription factor that interacts with multiple signaling pathways and regulates the activity of multiple oxidases (NOX, NOS, XO, CYP) related to inflammation and apoptosis, and exhibits antioxidant and anti-inflammatory roles in ALI. Recently, several studies have reported that the active ingredients of natural medicines show protective effects on ALI via the Nrf2 signaling pathway. In addition, they are cheap, naturally available, and possess minimal toxicity, thereby having good clinical research and application value. Herein, we summarized various studies on the protective effects of natural pharmaceutical components such as polyphenols, flavonoids, terpenoids, alkaloids, and polysaccharides on ALI through the Nrf2 signaling pathway and demonstrated existing gaps as well as future perspectives.
Collapse
|
8
|
Fukatsu M, Ohkawara H, Wang X, Alkebsi L, Furukawa M, Mori H, Fukami M, Fukami SI, Sano T, Takahashi H, Harada-Shirado K, Kimura S, Sugimoto K, Ogawa K, Ikezoe T. The suppressive effects of Mer inhibition on inflammatory responses in the pathogenesis of LPS-induced ALI/ARDS. Sci Signal 2022; 15:eabd2533. [PMID: 35258998 DOI: 10.1126/scisignal.abd2533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The pathogenesis of sepsis-induced acute lung injury (ALI)/acute respiratory distress syndrome (ARDS) has not yet been fully elucidated. Growth arrest-specific 6 (Gas6) has marked effects on hemostasis and reduces inflammation through its interaction with receptor tyrosine kinases of the TAM family: Tyro3, Axl, and Mer. Here, we found that plasma concentrations of Gas6 and soluble Mer were greater in patients with severe sepsis or septic ALI/ARDS compared with those in normal healthy donors. To determine whether the Gas6-Mer axis was critical in the pathogenesis of ALI/ARDS, we investigated the effects of intravenous administration of the selective Mer inhibitor UNC2250 on lipopolysaccharide (LPS)-induced ALI in mouse models subjected to inhalation of LPS. UNC2250 markedly inhibited the infiltration into the lungs of neutrophils and monocytes with increased amounts of Gas6 and Mer proteins, severe lung damage, and increased amounts of reactive oxygen species (ROS) in LPS-induced ALI in mice. In human pulmonary aortic endothelial cells, LPS induced decreases in the amounts of endothelial nitric oxide synthase, thrombomodulin, and vascular endothelial-cadherin, which was blocked by treatment with UNC2250. UNC2250 also inhibited the LPS-dependent increases in cell proliferation and enhanced apoptosis in HL-60 cells, a human neutrophil-like cell line, and RAW264.7 cells, a mouse monocyte/macrophage cell line. These data provide insights into the potential multiple beneficial effects of the Mer inhibitor UNC2250 as a therapeutic reagent to treat inflammatory responses in ALI/ARDS.
Collapse
Affiliation(s)
- Masahiko Fukatsu
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Hiroshi Ohkawara
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Xintao Wang
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Lobna Alkebsi
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Miki Furukawa
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Hirotaka Mori
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Miwa Fukami
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Shin-Ichi Fukami
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Takahiro Sano
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Hiroshi Takahashi
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | | | - Satoshi Kimura
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Koichi Sugimoto
- Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan
| | - Kazuei Ogawa
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| | - Takayuki Ikezoe
- Department of Hematology, Fukushima Medical University, Fukushima, Japan
| |
Collapse
|
9
|
Go YY, Ju WM, Lee CM, Chae SW, Song JJ. Different Transcutaneous Auricular Vagus Nerve Stimulation Parameters Modulate the Anti-Inflammatory Effects on Lipopolysaccharide-Induced Acute Inflammation in Mice. Biomedicines 2022; 10:biomedicines10020247. [PMID: 35203459 PMCID: PMC8869637 DOI: 10.3390/biomedicines10020247] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/19/2022] [Accepted: 01/21/2022] [Indexed: 02/07/2023] Open
Abstract
Vagus nerve stimulation (VNS) is considered a potential method for anti-inflammation due to the involvement of the VN in the cholinergic anti-inflammatory pathway (CAP) formation of a connection between the central nervous system and peripheral immune cells that help relieve inflammation. However, whether a non-invasive transcutaneous auricular VNS (taVNS) modulates the inflammation levels via altering the parameter of taVNS is poorly understood. This study aimed to determine the differential inhibitory effects of taVNS on lipopolysaccharide (LPS)-induced systemic inflammation using electrical stimulation parameters such as pulse frequency and time. The taVNS-promoted CAP activity significantly recovered LPS-induced tissue injuries (lung, spleen, and intestine) and decreased inflammatory cytokine levels and tissue-infiltrated immune cells. Interestingly, the anti-inflammatory capacity of taVNS with 15 Hz was much higher than that of taVNS with 25 Hz. When a cytokine array was used to investigate the changes of inflammation and immune response-related cytokines/chemokines expression in taVNS with 15 Hz or 25 Hz treatment in LPS-induced endotoxemia in mice, most of the expression of cytokines/chemokines associated with pro-inflammation was severely decreased in taVNS with 15 Hz compared to 25 Hz. This study demonstrated that the taVNS parameter could differentially modulate the inflammation levels of animals, suggesting the importance of taVNS parameter selection for use in feasible interventions for acute inflammation treatment.
Collapse
Affiliation(s)
- Yoon-Young Go
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Guro Hospital, 80 Guro-dong, Guro-gu, Seoul 08308, Korea; (Y.-Y.G.); (W.-M.J.); (C.-M.L.); (S.-W.C.)
- Institute for Health Care Convergence Center, Korea University Guro Hospital, Seoul 08308, Korea
| | - Won-Min Ju
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Guro Hospital, 80 Guro-dong, Guro-gu, Seoul 08308, Korea; (Y.-Y.G.); (W.-M.J.); (C.-M.L.); (S.-W.C.)
| | - Chan-Mi Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Guro Hospital, 80 Guro-dong, Guro-gu, Seoul 08308, Korea; (Y.-Y.G.); (W.-M.J.); (C.-M.L.); (S.-W.C.)
| | - Sung-Won Chae
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Guro Hospital, 80 Guro-dong, Guro-gu, Seoul 08308, Korea; (Y.-Y.G.); (W.-M.J.); (C.-M.L.); (S.-W.C.)
- Institute for Health Care Convergence Center, Korea University Guro Hospital, Seoul 08308, Korea
| | - Jae-Jun Song
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Guro Hospital, 80 Guro-dong, Guro-gu, Seoul 08308, Korea; (Y.-Y.G.); (W.-M.J.); (C.-M.L.); (S.-W.C.)
- Institute for Health Care Convergence Center, Korea University Guro Hospital, Seoul 08308, Korea
- Neurive Institute, Neurive Co., Ltd., Seoul 08308, Korea
- Correspondence: or ; Tel.: +82-2-2626-3186; Fax: +82-2-2626-0475
| |
Collapse
|
10
|
An N, Yang T, Zhang XX, Xu MX. Bergamottin alleviates LPS-induced acute lung injury by inducing SIRT1 and suppressing NF-κB. Innate Immun 2021; 27:543-552. [PMID: 34812690 PMCID: PMC8762093 DOI: 10.1177/17534259211062553] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Acute lung injury (ALI) is associated with a high mortality due to inflammatory cell infiltration and lung edema. The development of ALI commonly involves the activation of NF-κB. Since bergamottin is a natural furanocoumarin showing the ability to inhibit the activation of NF-κB, in this study we aimed to determine the effect of bergamottin on ALI. RAW264.7 mouse macrophages were pre-treated with bergamottin and then stimulated with LPS. Macrophage inflammatory responses were examined. Bergamottin (50 mg/kg body mass) was intraperitoneally administrated to mice 12 h before injection of LPS, and the effect of bergamottin on LPS-induced ALI was evaluated. Our results showed that LPS exposure led to increased production of TNF-α, IL-6, and monocyte chemoattractant protein-1 (MCP-1), which was impaired by bergamottin pre-treatment. In vivo studies confirmed that bergamottin pre-treatment suppressed LPS-induced lung inflammation and edema and reduced the levels of pro-inflammatory cytokines in lung tissues and bronchoalveolar lavage fluids. Mechanistically, bergamottin blocked LPS-induced activation of NF-κB signaling in lung tissues. Additionally, bergamottin treatment reduced NF-κB p65 protein acetylation, which was coupled with induction of SIRT1 expression. In conclusion, our results reveal the anti-inflammatory property of bergamottin in preventing ALI. Induction of SIRT1 and inhibition of NF-κB underlies the anti-inflammatory activity of bergamottin.
Collapse
Affiliation(s)
- Ning An
- Institue of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, 12443Huazhong University of Science and Technology, Wuhan, China
| | - Tao Yang
- Department of Intensive Care Unit, Wuhan Fourth Hospital, Puai Hospital, Tongji Medical College, 12443Huazhong University of Science and Technology, Wuhan, China
| | - Xiao-Xia Zhang
- Department of Intensive Care Unit, Wuhan Fourth Hospital, Puai Hospital, Tongji Medical College, 12443Huazhong University of Science and Technology, Wuhan, China
| | - Mei-Xia Xu
- Department of Intensive Care Unit, Wuhan Fourth Hospital, Puai Hospital, Tongji Medical College, 12443Huazhong University of Science and Technology, Wuhan, China
| |
Collapse
|
11
|
Gierhardt M, Pak O, Walmrath D, Seeger W, Grimminger F, Ghofrani HA, Weissmann N, Hecker M, Sommer N. Impairment of hypoxic pulmonary vasoconstriction in acute respiratory distress syndrome. Eur Respir Rev 2021; 30:30/161/210059. [PMID: 34526314 DOI: 10.1183/16000617.0059-2021] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 06/05/2021] [Indexed: 12/29/2022] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a serious complication of severe systemic or local pulmonary inflammation, such as caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. ARDS is characterised by diffuse alveolar damage that leads to protein-rich pulmonary oedema, local alveolar hypoventilation and atelectasis. Inadequate perfusion of these areas is the main cause of hypoxaemia in ARDS. High perfusion in relation to ventilation (V/Q<1) and shunting (V/Q=0) is not only caused by impaired hypoxic pulmonary vasoconstriction but also redistribution of perfusion from obstructed lung vessels. Rebalancing the pulmonary vascular tone is a therapeutic challenge. Previous clinical trials on inhaled vasodilators (nitric oxide and prostacyclin) to enhance perfusion to high V/Q areas showed beneficial effects on hypoxaemia but not on mortality. However, specific patient populations with pulmonary hypertension may profit from treatment with inhaled vasodilators. Novel treatment targets to decrease perfusion in low V/Q areas include epoxyeicosatrienoic acids and specific leukotriene receptors. Still, lung protective ventilation and prone positioning are the best available standard of care. This review focuses on disturbed perfusion in ARDS and aims to provide basic scientists and clinicians with an overview of the vascular alterations and mechanisms of V/Q mismatch, current therapeutic strategies, and experimental approaches.
Collapse
Affiliation(s)
- Mareike Gierhardt
- Dept of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany.,Excellence Cluster Cardio-Pulmonary Institute (CPI), Giessen, Germany.,Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA) - CONICET - Partner Institute of the Max Planck Society, Buenos Aires, Argentina.,Department of Lung Development and Remodeling, Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Member of the Cardio-Pulmonary Institute (CPI) Bad Nauheim, Germany
| | - Oleg Pak
- Dept of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany.,Excellence Cluster Cardio-Pulmonary Institute (CPI), Giessen, Germany
| | - Dieter Walmrath
- Dept of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany
| | - Werner Seeger
- Dept of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany.,Excellence Cluster Cardio-Pulmonary Institute (CPI), Giessen, Germany.,Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA) - CONICET - Partner Institute of the Max Planck Society, Buenos Aires, Argentina.,Institute for Lung Health (ILH), Giessen, Germany
| | - Friedrich Grimminger
- Dept of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany.,Excellence Cluster Cardio-Pulmonary Institute (CPI), Giessen, Germany
| | - Hossein A Ghofrani
- Dept of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany.,Excellence Cluster Cardio-Pulmonary Institute (CPI), Giessen, Germany.,Dept of Medicine, Imperial College London, London, UK
| | - Norbert Weissmann
- Dept of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany.,Excellence Cluster Cardio-Pulmonary Institute (CPI), Giessen, Germany
| | - Matthias Hecker
- Dept of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany.,Both authors contributed equally
| | - Natascha Sommer
- Dept of Internal Medicine, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany.,Excellence Cluster Cardio-Pulmonary Institute (CPI), Giessen, Germany.,Both authors contributed equally
| |
Collapse
|
12
|
Qu M, Zhang H, Chen Z, Sun X, Zhu S, Nan K, Chen W, Miao C. The Role of Ferroptosis in Acute Respiratory Distress Syndrome. Front Med (Lausanne) 2021; 8:651552. [PMID: 34026785 PMCID: PMC8137978 DOI: 10.3389/fmed.2021.651552] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 04/12/2021] [Indexed: 01/15/2023] Open
Abstract
Ferroptosis is a newly discovered type of regulated cell death that is different from apoptosis, necrosis and autophagy. Ferroptosis is characterized by iron-dependent lipid peroxidation, which induces cell death. Iron, lipid and amino acid metabolism is associated with ferroptosis. Ferroptosis is involved in the pathological development of various diseases, such as neurological diseases and cancer. Recent studies have shown that ferroptosis is also closely related to acute lung injury (ALI)/ acute respiratory distress syndrome (ARDS), suggesting that it can be a novel therapeutic target. This article mainly introduces the metabolic mechanism related to ferroptosis and discusses its role in ALI/ARDS to provide new ideas for the treatment of these diseases.
Collapse
Affiliation(s)
- Mengdi Qu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hao Zhang
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhaoyuan Chen
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xingfeng Sun
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Shuainan Zhu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ke Nan
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Wankun Chen
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Changhong Miao
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| |
Collapse
|
13
|
Adams JA, Lopez JR, Uryash A, Sackner MA. Whole body periodic acceleration (pGz) improves endotoxin induced cardiomyocyte contractile dysfunction and attenuates the inflammatory response in mice. Heliyon 2021; 7:e06444. [PMID: 33748496 PMCID: PMC7970274 DOI: 10.1016/j.heliyon.2021.e06444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 11/10/2020] [Accepted: 03/04/2021] [Indexed: 11/01/2022] Open
Abstract
Sepsis-induces myocardial contractile dysfunction. We previously showed that whole body periodic acceleration (pGz), the sinusoidal motion of the supine body head-foot ward direction significantly improves survival and decreases microvascular permeability in a lethal model of sepsis. We tested the hypothesis that pGz improves LPS induced cardiomyocyte contractile dysfunction and decreases LPS pro-inflammatory cytokine response when applied pre- or post-treatment. Isolated cardiomyocytes were obtained from mice that received LPS who had been pre-treated with pGz for three days (pGz-LPS) or control. Peak shortening (PS), maximal velocity of shortening (+dL/dt), and relengthening (-dL/dt) as well as diastolic intracellular calcium concentration ([Ca+2]d), sodium ([Na+]d), reactive oxygen species (ROS), and cardiac troponin (cTnT) production were measured. LPS decreased PS, +dL/dt, and -dL/dt, by 37%, 41% and 35% change respectively (p < 0.01), increased [Ca+2]d, [Na+]d, ROS, and cTnT by 343%, 122%, 298%, and 610% change respectively (p < 0.01) compared to control. pGz pre-treatment attenuated the parameters mentioned above. In a separate cohort, the effects of a lethal dose of LPS on protein expression of nitric oxide synthases (iNOS, eNOS, nNOS), pro- and anti-inflammatory cytokines in hearts of mice was studied in pre-treated with pGz for three days prior to LPS (pGz-LPS) and post-treated with pGz 30 min after LPS (LPS-pGz) were determined. LPS increased expression of early and late iNOS and decreased expression of eNOS, phosphorylated eNOS (p-eNOS), and nNOS. Both pre- and post-treatment with pGz markedly reduced early and late pro-inflammatory surge. Therefore, pre- and post-treatment with pGz improves LPS-induced cardiomyocyte dysfunction, decreases iNOS expression, and increases cytoprotective eNOS and nNOS, with decreased pro-inflammatory response. Such results have potential for translation to benefit outcomes in human sepsis.
Collapse
Affiliation(s)
- Jose A Adams
- Division of Neonatology, Mount Sinai Medical Center, Miami Beach, FL, USA
| | - Jose R Lopez
- Department of Research, Mount Sinai Medical Center, Miami Beach, FL, USA
| | - Arkady Uryash
- Division of Neonatology, Mount Sinai Medical Center, Miami Beach, FL, USA
| | - Marvin A Sackner
- Department of Medicine, Mount Sinai Medical Center, Miami Beach, FL, USA
| |
Collapse
|
14
|
Wang H, Sun X, Lu Q, Zemskov EA, Yegambaram M, Wu X, Wang T, Tang H, Black SM. The mitochondrial redistribution of eNOS is involved in lipopolysaccharide induced inflammasome activation during acute lung injury. Redox Biol 2021; 41:101878. [PMID: 33578126 PMCID: PMC7879038 DOI: 10.1016/j.redox.2021.101878] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/17/2021] [Accepted: 01/21/2021] [Indexed: 01/03/2023] Open
Abstract
Acute lung injury (ALI) is a devastating clinical syndrome with no effective therapies. Inflammasome activation has been reported to play a critical role in the initiation and progression of ALI. The molecular mechanisms involved in regulating the activation of inflammasome in ALI remains unresolved, although increases in mitochondrial derived reactive oxygen species (mito-ROS) are involved. Our previous work has shown that the mitochondrial redistribution of uncoupled eNOS impairs mitochondrial bioenergetics and increases mito-ROS generation. Thus, the focus of our study was to determine if lipopolysaccharide (LPS)-mediated inflammasome activation involves the mitochondrial redistribution of uncoupled eNOS. Our data show that the increase in mito-ROS involved in LPS-mediated inflammasome activation is associated with the disruption of mitochondrial bioenergetics in human lung microvascular endothelial cells (HLMVEC) and the mitochondrial redistribution of eNOS. These effects are dependent on RhoA-ROCK signaling and are mediated via increased phosphorylation of eNOS at Threonine (T)-495. A derivative of the mitochondrial targeted Szeto-Schiller peptide (SSP) attached to the antioxidant Tiron (T-SSP), significantly attenuated LPS-mediated mito-ROS generation and inflammasome activation in HLMVEC. Further, T-SSP attenuated mitochondrial superoxide production in a mouse model of sepsis induced ALI. This in turn significantly reduced the inflammatory response and attenuated lung injury. Thus, our findings show that the mitochondrial redistribution of uncoupled eNOS is intimately involved in the activation of the inflammatory response in ALI and implicate attenuating mito-ROS as a therapeutic strategy in humans.
Collapse
Affiliation(s)
- Hui Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Xutong Sun
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Qing Lu
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Evgeny A Zemskov
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Manivannan Yegambaram
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Xiaomin Wu
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Ting Wang
- Department of Internal Medicine, The University of Arizona Health Sciences, Phoenix, AZ, USA
| | - Haiyang Tang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA.
| | - Stephen M Black
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA.
| |
Collapse
|
15
|
Lu Q, Zemskov EA, Sun X, Wang H, Yegambaram M, Wu X, Garcia-Flores A, Song S, Tang H, Kangath A, Cabanillas GZ, Yuan JXJ, Wang T, Fineman JR, Black SM. Activation of the mechanosensitive Ca 2+ channel TRPV4 induces endothelial barrier permeability via the disruption of mitochondrial bioenergetics. Redox Biol 2021; 38:101785. [PMID: 33221570 PMCID: PMC7691184 DOI: 10.1016/j.redox.2020.101785] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/29/2020] [Accepted: 11/01/2020] [Indexed: 12/20/2022] Open
Abstract
Mechanical ventilation is a life-saving intervention in critically ill patients with respiratory failure due to acute respiratory distress syndrome (ARDS), a refractory lung disease with an unacceptable high mortality rate. Paradoxically, mechanical ventilation also creates excessive mechanical stress that directly augments lung injury, a syndrome known as ventilator-induced lung injury (VILI). The specific mechanisms involved in VILI-induced pulmonary capillary leakage, a key pathologic feature of VILI are still far from resolved. The mechanoreceptor, transient receptor potential cation channel subfamily V member 4, TRPV4 plays a key role in the development of VILI through unresolved mechanism. Endothelial nitric oxide synthase (eNOS) uncoupling plays an important role in sepsis-mediated ARDS so in this study we investigated whether there is a role for eNOS uncoupling in the barrier disruption associated with TRPV4 activation during VILI. Our data indicate that the TRPV4 agonist, 4α-Phorbol 12,13-didecanoate (4αPDD) induces pulmonary arterial endothelial cell (EC) barrier disruption through the disruption of mitochondrial bioenergetics. Mechanistically, this occurs via the mitochondrial redistribution of uncoupled eNOS secondary to a PKC-dependent phosphorylation of eNOS at Threonine 495 (T495). A specific decoy peptide to prevent T495 phosphorylation reduced eNOS uncoupling and mitochondrial redistribution and preserved PAEC barrier function under 4αPDD challenge. Further, our eNOS decoy peptide was able to preserve lung vascular integrity in a mouse model of VILI. Thus, we have revealed a functional link between TRPV4 activation, PKC-dependent eNOS phosphorylation at T495, and EC barrier permeability. Reducing pT495-eNOS could be a new therapeutic approach for the prevention of VILI.
Collapse
Affiliation(s)
- Qing Lu
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Evgeny A Zemskov
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Xutong Sun
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Hui Wang
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Manivannan Yegambaram
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Xiaomin Wu
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Alejandro Garcia-Flores
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Shanshan Song
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Haiyang Tang
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Archana Kangath
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Gabriela Zubiate Cabanillas
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA; Department of Chemist-Biological Sciences, Universidad de Sonora, Hermosillo, SON, Mexico
| | - Jason X-J Yuan
- Department of Medicine, University of California, San Diego, CA, USA
| | - Ting Wang
- Department of Internal Medicine, The University of Arizona Health Sciences, Phoenix, AZ, USA
| | - Jeffrey R Fineman
- Department of Pediatrics, University of California San Francisco, San Francisco, CA, USA; Cardiovascular Research Institute, University of California San Francisco, San Francisco, CA, USA
| | - Stephen M Black
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA.
| |
Collapse
|
16
|
Amatullah H, Maron-Gutierrez T, Shan Y, Gupta S, Tsoporis JN, Varkouhi AK, Teixeira Monteiro AP, He X, Yin J, Marshall JC, Rocco PRM, Zhang H, Kuebler WM, Dos Santos CC. Protective function of DJ-1/PARK7 in lipopolysaccharide and ventilator-induced acute lung injury. Redox Biol 2021; 38:101796. [PMID: 33246293 PMCID: PMC7695876 DOI: 10.1016/j.redox.2020.101796] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/30/2020] [Accepted: 11/08/2020] [Indexed: 11/27/2022] Open
Abstract
Oxidative stress is considered one of the early underlying contributors of acute lung injury (ALI) and ventilator-induced lung injury (VILI). DJ-1, also known as PARK7, has a well-established role as an antioxidant. We have previously shown maintaining oxidative balance via the ATF3-Nrf2 axis was important in protection from ALI. Here, we exclusively characterize the role of DJ-1 in sterile LPS-induced ALI and VILI. DJ-1 protein expression was increased after LPS treatment in human epithelial and endothelial cell lines and lungs of wild-type mice. DJ-1 deficient mice exhibited greater susceptibility to LPS-induced acute lung injury as demonstrated by increased cellular infiltration, augmented levels of pulmonary cytokines, enhanced ROS levels and oxidized by-products, increased pulmonary edema and cell death. In a two-hit model of LPS and mechanical ventilation (MV), DJ-1 deficient mice displayed enhanced susceptibility to inflammation and lung injury. Collectively, these results identify DJ-1 as a negative regulator of ROS and inflammation, and suggest its expression protects from sterile lung injury driven by high oxidative stress.
Collapse
Affiliation(s)
- Hajera Amatullah
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada; Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Tatiana Maron-Gutierrez
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada; Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, RJ, Brazil
| | - Yuexin Shan
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada
| | - Sahil Gupta
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada; Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada
| | - James N Tsoporis
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada
| | - Amir K Varkouhi
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada
| | | | - Xiaolin He
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada
| | - Jun Yin
- Department of Thoracic Surgery, Zhongshan Hospital of Fudan University, Shanghai, 200032, China
| | - John C Marshall
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada; Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada
| | - Patricia R M Rocco
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, RJ, Brazil
| | - Haibo Zhang
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada; Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada
| | - Wolfgang M Kuebler
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada; Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Claudia C Dos Santos
- Keenan Research Center of St. Michael's Hospital, Unity Health Toronto, 30 Bond Street, Toronto, ON, Canada; Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Institute of Medical Sciences, University of Toronto, Toronto, ON, Canada.
| |
Collapse
|
17
|
Wang P, Zhang L, Liao Y, Du J, Xu M, Zhao W, Yin S, Chen G, Deng Y, Li Y, Xue X, Yang Y, Hu G, Chen Y. Effect of Intratracheal Instillation of ZnO Nanoparticles on Acute Lung Inflammation Induced by Lipopolysaccharides in Mice. Toxicol Sci 2020; 173:373-386. [PMID: 31804693 DOI: 10.1093/toxsci/kfz234] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Although studies have shown toxic effects of zinc oxide (ZnO) particles following inhalation, additional effects on injured lungs, which are characterized by dysfunction of the alveolar-capillary barriers, remain uncharacterized. To explore these additional effects, nano-sized ZnO (nZnO) and bulk-sized ZnO were applied to lipopolysaccharide (LPS)-challenged mouse lungs, which were used as a disease model of acute lung inflammation. An elevated Zn2+ concentration was detected in lung tissue after LPS plus nZnO exposure. Exposure to nZnO in LPS-challenged mice resulted in higher total cell number, proportion of neutrophils, and total protein level in bronchoalveolar lavage fluid. Intratracheal instillation of nZnO intensively aggravated LPS-induced lung inflammation that was accompanied by enhanced expression of interleukin-1β, interleukin-6, monocyte chemotactic protein-1α, and granulocyte-macrophage colony stimulating factor. Catalase, glutathione, and total superoxide dismutase levels were significantly decreased, and the malondialdehyde level was obviously increased in the LPS plus nZnO group. 8-Hydroxyguanosine, a marker for DNA damage, was highly concentrated in the lungs from the LPS plus nZnO group. Furthermore, nZnO increased lung apoptosis in an acute lung inflammation model. Taken together, this evidence indicates that nZnO aggravates lung inflammation related to LPS. This enhancement effect may be mediated via oxidative stress, which can lead to DNA damage and apoptosis. This work is important because of the ever-increasing exposure of people to ZnO nanoparticles in industry. The identification of the toxic effects of nZnO and possible mechanisms revealed in this study provide valuable information for future studies.
Collapse
Affiliation(s)
- Ping Wang
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Lin Zhang
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yanxia Liao
- Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Juan Du
- Department of Inspection and Quarantine (Hygiene Detection Center), School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Mengying Xu
- Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Wen Zhao
- Department of Medical Imaging, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510515, China
| | - Shuxian Yin
- Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Guilan Chen
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yu Deng
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yiran Li
- Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Xue Xue
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yiming Yang
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Guodong Hu
- Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yinghua Chen
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| |
Collapse
|
18
|
Vassiliou AG, Kotanidou A, Dimopoulou I, Orfanos SE. Endothelial Damage in Acute Respiratory Distress Syndrome. Int J Mol Sci 2020; 21:ijms21228793. [PMID: 33233715 PMCID: PMC7699909 DOI: 10.3390/ijms21228793] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/14/2020] [Accepted: 11/18/2020] [Indexed: 01/01/2023] Open
Abstract
The pulmonary endothelium is a metabolically active continuous monolayer of squamous endothelial cells that internally lines blood vessels and mediates key processes involved in lung homoeostasis. Many of these processes are disrupted in acute respiratory distress syndrome (ARDS), which is marked among others by diffuse endothelial injury, intense activation of the coagulation system and increased capillary permeability. Most commonly occurring in the setting of sepsis, ARDS is a devastating illness, associated with increased morbidity and mortality and no effective pharmacological treatment. Endothelial cell damage has an important role in the pathogenesis of ARDS and several biomarkers of endothelial damage have been tested in determining prognosis. By further understanding the endothelial pathobiology, development of endothelial-specific therapeutics might arise. In this review, we will discuss the underlying pathology of endothelial dysfunction leading to ARDS and emerging therapies. Furthermore, we will present a brief overview demonstrating that endotheliopathy is an important feature of hospitalised patients with coronavirus disease-19 (COVID-19).
Collapse
Affiliation(s)
- Alice G. Vassiliou
- 1st Department of Critical Care Medicine & Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, 106 76 Athens, Greece; (A.G.V.); (A.K.); (I.D.)
| | - Anastasia Kotanidou
- 1st Department of Critical Care Medicine & Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, 106 76 Athens, Greece; (A.G.V.); (A.K.); (I.D.)
| | - Ioanna Dimopoulou
- 1st Department of Critical Care Medicine & Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, 106 76 Athens, Greece; (A.G.V.); (A.K.); (I.D.)
| | - Stylianos E. Orfanos
- 1st Department of Critical Care Medicine & Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, 106 76 Athens, Greece; (A.G.V.); (A.K.); (I.D.)
- 2nd Department of Critical Care, School of Medicine, National and Kapodistrian University of Athens, Attikon Hospital, 124 62 Athens, Greece
- Correspondence: or ; Tel.: +30-2107-235-521
| |
Collapse
|
19
|
RAC1 nitration at Y 32 IS involved in the endothelial barrier disruption associated with lipopolysaccharide-mediated acute lung injury. Redox Biol 2020; 38:101794. [PMID: 33248422 PMCID: PMC7664366 DOI: 10.1016/j.redox.2020.101794] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/06/2020] [Accepted: 11/07/2020] [Indexed: 02/06/2023] Open
Abstract
Acute lung injury (ALI), a devastating illness induced by systemic inflammation e.g., sepsis or local lung inflammation e.g., COVID-19 mediated severe pneumonia, has an unacceptably high mortality and has no effective therapy. ALI is associated with increased pulmonary microvascular hyperpermeability and alveolar flooding. The small Rho GTPases, RhoA and Rac1 are central regulators of vascular permeability through cytoskeleton rearrangements. RhoA and Rac1 have opposing functional outcome: RhoA induces an endothelial contractile phenotype and barrier disruption, while Rac1 stabilizes endothelial junctions and increases barrier integrity. In ALI, RhoA activity is increased while Rac1 activity is reduced. We have shown that the activation of RhoA in lipopolysaccharide (LPS)-mediated ALI, is dependent, at least in part, on a single nitration event at tyrosine (Y)34. Thus, the purpose of this study was to determine if the inhibition of Rac1 is also dependent on its nitration. Our data show that Rac1 inhibition by LPS is associated with its nitration that mass spectrometry identified as Y32, within the switch I region adjacent to the nucleotide-binding site. Using a molecular modeling approach, we designed a nitration shielding peptide for Rac1, designated NipR2 (nitration inhibitor peptide for the Rho GTPases 2), which attenuated the LPS-induced nitration of Rac1 at Y32, preserves Rac1 activity and attenuates the LPS-mediated disruption of the endothelial barrier in human lung microvascular endothelial cells (HLMVEC). Using a murine model of ALI induced by intratracheal installation of LPS we found that NipR2 successfully prevented Rac1 nitration and Rac1 inhibition, and more importantly attenuated pulmonary inflammation, reduced lung injury and prevented the loss of lung function. Together, our data identify a new post-translational mechanism of Rac1 inhibition through its nitration at Y32. As NipR2 also reduces sepsis induced ALI in the mouse lung, we conclude that Rac1 nitration is a therapeutic target in ALI. Endotoxin exposure induces site specific nitration of Rac1 at Y32 via peroxynitrite stress. Rac1 nitration at Y32 leads to persistent Rac GTPase inhibition and endothelial barrier disruption. Novel Rac1 nitration shielding peptide, NipR2 blocks Rac1 nitration and rescues endotoxin induced lung inflammation. NipR2 is potentially an effective therapy for sepsis induced lung injury by targeting Rac1 Y32 nitration.
Collapse
|
20
|
Zemskov EA, Lu Q, Ornatowski W, Klinger CN, Desai AA, Maltepe E, Yuan JXJ, Wang T, Fineman JR, Black SM. Biomechanical Forces and Oxidative Stress: Implications for Pulmonary Vascular Disease. Antioxid Redox Signal 2019; 31:819-842. [PMID: 30623676 PMCID: PMC6751394 DOI: 10.1089/ars.2018.7720] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Significance: Oxidative stress in the cell is characterized by excessive generation of reactive oxygen species (ROS). Superoxide (O2-) and hydrogen peroxide (H2O2) are the main ROS involved in the regulation of cellular metabolism. As our fundamental understanding of the underlying causes of lung disease has increased it has become evident that oxidative stress plays a critical role. Recent Advances: A number of cells in the lung both produce, and respond to, ROS. These include vascular endothelial and smooth muscle cells, fibroblasts, and epithelial cells as well as the cells involved in the inflammatory response, including macrophages, neutrophils, eosinophils. The redox system is involved in multiple aspects of cell metabolism and cell homeostasis. Critical Issues: Dysregulation of the cellular redox system has consequential effects on cell signaling pathways that are intimately involved in disease progression. The lung is exposed to biomechanical forces (fluid shear stress, cyclic stretch, and pressure) due to the passage of blood through the pulmonary vessels and the distension of the lungs during the breathing cycle. Cells within the lung respond to these forces by activating signal transduction pathways that alter their redox state with both physiologic and pathologic consequences. Future Directions: Here, we will discuss the intimate relationship between biomechanical forces and redox signaling and its role in the development of pulmonary disease. An understanding of the molecular mechanisms induced by biomechanical forces in the pulmonary vasculature is necessary for the development of new therapeutic strategies.
Collapse
Affiliation(s)
- Evgeny A Zemskov
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Qing Lu
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Wojciech Ornatowski
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Christina N Klinger
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Ankit A Desai
- Department of Medicine, Indiana University, Indianapolis, Indiana
| | - Emin Maltepe
- Department of Pediatrics, University of California, San Francisco, San Francisco, California
| | - Jason X-J Yuan
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Ting Wang
- Department of Internal Medicine, The University of Arizona Health Sciences, Phoenix, Arizona
| | - Jeffrey R Fineman
- Department of Pediatrics, University of California, San Francisco, San Francisco, California
| | - Stephen M Black
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| |
Collapse
|
21
|
Gross CM, Kellner M, Wang T, Lu Q, Sun X, Zemskov EA, Noonepalle S, Kangath A, Kumar S, Gonzalez-Garay M, Desai AA, Aggarwal S, Gorshkov B, Klinger C, Verin AD, Catravas JD, Jacobson JR, Yuan JXJ, Rafikov R, Garcia JGN, Black SM. LPS-induced Acute Lung Injury Involves NF-κB-mediated Downregulation of SOX18. Am J Respir Cell Mol Biol 2019; 58:614-624. [PMID: 29115856 DOI: 10.1165/rcmb.2016-0390oc] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
One of the early events in the progression of LPS-mediated acute lung injury in mice is the disruption of the pulmonary endothelial barrier resulting in lung edema. However, the molecular mechanisms by which the endothelial barrier becomes compromised remain unresolved. The SRY (sex-determining region on the Y chromosome)-related high-mobility group box (Sox) group F family member, SOX18, is a barrier-protective protein through its ability to increase the expression of the tight junction protein CLDN5. Thus, the purpose of this study was to determine if downregulation of the SOX18-CLDN5 axis plays a role in the pulmonary endothelial barrier disruption associated with LPS exposure. Our data indicate that both SOX18 and CLDN5 expression is decreased in two models of in vivo LPS exposure (intraperitoneal, intratracheal). A similar downregulation was observed in cultured human lung microvascular endothelial cells (HLMVECs) exposed to LPS. SOX18 overexpression in HLMVECs or in the mouse lung attenuated the LPS-mediated vascular barrier disruption. Conversely, reduced CLDN5 expression (siRNA) reduced the HLMVEC barrier-protective effects of SOX18 overexpression. The mechanism by which LPS decreases SOX18 expression was identified as transcriptional repression through binding of NF-κB (p65) to a SOX18 promoter sequence located between -1,082 and -1,073 bp with peroxynitrite contributing to LPS-mediated NF-κB activation. We conclude that NF-κB-dependent decreases in the SOX18-CLDN5 axis are essentially involved in the disruption of human endothelial cell barrier integrity associated with LPS-mediated acute lung injury.
Collapse
Affiliation(s)
| | - Manuela Kellner
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Ting Wang
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Qing Lu
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Xutong Sun
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Evgeny A Zemskov
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Satish Noonepalle
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Archana Kangath
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Sanjiv Kumar
- 1 Vascular Biology Center, Augusta University, Augusta, Georgia
| | - Manuel Gonzalez-Garay
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Ankit A Desai
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Saurabh Aggarwal
- 3 Department of Anesthesiology and Perioperative Medicine, The University of Alabama at Birmingham School of Medicine, Birmingham, Alabama
| | - Boris Gorshkov
- 1 Vascular Biology Center, Augusta University, Augusta, Georgia
| | - Christina Klinger
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | | | - John D Catravas
- 4 Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia; and
| | - Jeffrey R Jacobson
- 5 Department of Medicine, University of Illinois College of Medicine, Chicago, Illinois
| | - Jason X-J Yuan
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Ruslan Rafikov
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Joe G N Garcia
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Stephen M Black
- 2 Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| |
Collapse
|
22
|
Petersen B, Busch CJ, Schleifer G, Schaack D, Lasitschka F, Bloch KD, Bloch DB, Ichinose F. Arginase impairs hypoxic pulmonary vasoconstriction in murine endotoxemia. Respir Res 2019; 20:109. [PMID: 31159807 PMCID: PMC6547543 DOI: 10.1186/s12931-019-1062-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 04/30/2019] [Indexed: 01/09/2023] Open
Abstract
Background Hypoxic pulmonary vasoconstriction (HPV) optimizes the match between ventilation and perfusion in the lung by reducing blood flow to poorly ventilated regions. Sepsis and endotoxemia impair HPV. We previously showed that nitric oxide synthase 2 (NOS2) is required, but not sufficient, for the effect of endotoxin on HPV. The aim of the current study was to identify additional factors that might contribute to the impairment of HPV during endotoxemia. Methods Gene expression profiling was determined using pulmonary tissues from NOS2-deficient (NOS2−/−) and wild-type mice subjected to endotoxin or saline challenge (control). HPV was accessed as the percentage increase in left pulmonary vascular resistance (LPVR) in response to left main bronchus occlusion (LMBO) in wild-type mice. Results Among the 22,690 genes analyzed, endotoxin induced a greater than three-fold increase in 59 and 154 genes in the lungs of wild-type and NOS2−/− mice, respectively. Of all the genes induced by endotoxin in wild-type mice, arginase 1 (Arg1) showed the greatest increase (16.3-fold compared to saline treated wild-type mice). In contrast, endotoxin did not increase expression of Arg1 in NOS2−/− mice. There was no difference in the endotoxin-induced expression of Arg2 between wild-type and NOS2-deficient mice. We investigated the role of arginase in HPV by treating the mice with normal saline or the arginase inhibitor Nω-hydroxy-nor-L-arginine (norNOHA). In control mice (in the absence of endotoxin) treated with normal saline, HPV was intact as determined by profound LMBO-induced increase in LPVR (121 ± 22% from baseline). During endotoxemia and treatment with normal saline, HPV was impaired compared to normal saline treated control mice (33 ± 9% vs. 121 ± 22%, P < 0.05). HPV was restored in endotoxin-exposed mice after treatment with the arginase inhibitor norNOHA as shown by the comparison to endotoxemic mice treated with normal saline (113 ± 29% vs, 33 ± 9%, P < 0.05) and to control mice treated with normal saline (113 ± 29% vs, 121 ± 22%, P = 0.97). Conclusions The results of this study suggest that endotoxemia induces Arg1 and that arginase contributes to the endotoxin-induced impairment of HPV in mice. Electronic supplementary material The online version of this article (10.1186/s12931-019-1062-6) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Bodil Petersen
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA.,Department of Anesthesiology and Intensive Care Medicine, Campus Virchow-Klinikum, Charité Universitätsmedizin, Berlin, Germany
| | - Cornelius J Busch
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA. .,Department of Anesthesiology, Ruprecht Karls University, Heidelberg, Germany.
| | - Grigorij Schleifer
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA
| | - Dominik Schaack
- Department of Anesthesiology, Ruprecht Karls University, Heidelberg, Germany
| | - Felix Lasitschka
- Institute of Pathology, Ruprecht Karls University, Heidelberg, Germany
| | - Kenneth D Bloch
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA
| | - Donald B Bloch
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA.,Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, USA
| | - Fumito Ichinose
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA.
| |
Collapse
|
23
|
Adams JA, Uryash A, Lopez JR, Sackner MA. Whole body periodic acceleration improves survival and microvascular leak in a murine endotoxin model. PLoS One 2019; 14:e0208681. [PMID: 30682019 PMCID: PMC6347233 DOI: 10.1371/journal.pone.0208681] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 01/08/2019] [Indexed: 01/19/2023] Open
Abstract
Sepsis is a life threatening condition which produces multi-organ dysfunction with profound circulatory and cellular derangements. Administration of E.Coli endotoxin (LPS) produces systemic inflammatory effects of sepsis including disruption of endothelial barrier, and if severe enough death. Whole body periodic acceleration (pGz) is the headward-footward motion of the body. pGz has been shown to induce pulsatile shear stress to the endothelium, thereby releasing vascular and cardio protective mediators. The purpose of this study was to determine whether or not pGz performed as a pre-treatment or post-treatment strategy improves survival in a lethal murine endotoxin model.This study was designed as a prospective randomized controlled study in mice. pGz was performed in mice as pre-treatment (pGz-LPS, 3 days prior to LPS), post-treatment (LPS- pGz, 30 min after LPS) strategies or Control (LPS-CONT), in a lethal murine model of endotoxemia. Endotoxemia was induced with intraperitoneal injection of E.Coli LPS (40mg/kg). In a separate group of mice, a nonspecific nitric oxide synthase inhibitor (L-NAME) was provided in their drinking water and pGz-LPS and LPS-pGz performed to determine the effect of nitric oxide (NO) inhibition on survival. In another subset of mice, micro vascular leakage was determined. Behavioral scoring around the clock was performed in all mice at 30 min intervals after LPS administration, until 48 hrs. survival or death. LPS induced 100% mortality in LPS-CONT animals by 30 hrs. In contrast, survival to 48 hrs. occurred in 60% of pGz-LPS and 80% of LPS-pGz. L-NAME abolished the survival effects of pGz. Microvascular leakage was markedly reduced in both pre and post pGz treated animals and was associated with increased tyrosine kinase endothelial-enriched tunica interna endothelial cell kinase 2 (TIE2) receptor and its phosphorylation (p-TIE2). In a murine model of lethal endotoxemia, pGz performed as a pre or post treatment strategy significantly improved survival, and markedly reduced microvascular leakage. The effect was modulated, in part, by NO since a non-selective inhibitor of NO abolished the pGz survival effect.
Collapse
Affiliation(s)
- Jose A. Adams
- Mt. Sinai Medical Center Division of Neonatology, Miami Beach, FL, United States of America
- * E-mail:
| | - Arkady Uryash
- Mt. Sinai Medical Center Division of Neonatology, Miami Beach, FL, United States of America
| | - Jose R. Lopez
- Department of Research, Mount Sinai Medical Center, Miami Beach, FL, United States of America
| | - Marvin A. Sackner
- Emeritus Director Medical Services, Mount Sinai Medical Center, Miami Beach, FL, United States of America
| |
Collapse
|
24
|
Dedja A, Gucciardi A, Giordano G, Maria Di Gangi I, Porzionato A, Navaglia F, Baraldi E, Grisafi D, Zaramella P. Lipopolysaccharide-induced chorioamnionitis and postnatal lung injury: The beneficial effects of L-citrulline in newborn rats. Exp Lung Res 2018; 44:226-240. [DOI: 10.1080/01902148.2018.1497730] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Arben Dedja
- Neonatal Intensive Care Unit, Women’s and Children’s Health Department, University of Padova, Padova, Italy
- Pediatric and Congenital Cardiac Surgery Unit, Department of Cardiac, Thoracic and Vascular Sciences, University of Padova, Padova, Italy
| | - Antonina Gucciardi
- Mass Spectrometry and Metabolomic Laboratory, Department of Women's and Children's Health, University of Padova, Italy
| | - Giuseppe Giordano
- Mass Spectrometry and Metabolomic Laboratory, Department of Women's and Children's Health, University of Padova, Italy
| | - Iole Maria Di Gangi
- Mass Spectrometry and Metabolomic Laboratory, Department of Women's and Children's Health, University of Padova, Italy
| | - Andrea Porzionato
- Department of Molecular Medicine, University of Padova, Padova, Italy
| | - Filippo Navaglia
- Department of Laboratory Medicine, University-Hospital, Padova, Italy
| | - Eugenio Baraldi
- Neonatal Intensive Care Unit, Women’s and Children’s Health Department, University of Padova, Padova, Italy
| | - Davide Grisafi
- Neonatal Intensive Care Unit, Women’s and Children’s Health Department, University of Padova, Padova, Italy
| | - Patrizia Zaramella
- Neonatal Intensive Care Unit, Women’s and Children’s Health Department, University of Padova, Padova, Italy
| |
Collapse
|
25
|
Kellner M, Noonepalle S, Lu Q, Srivastava A, Zemskov E, Black SM. ROS Signaling in the Pathogenesis of Acute Lung Injury (ALI) and Acute Respiratory Distress Syndrome (ARDS). ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 967:105-137. [PMID: 29047084 PMCID: PMC7120947 DOI: 10.1007/978-3-319-63245-2_8] [Citation(s) in RCA: 227] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The generation of reactive oxygen species (ROS) plays an important role for the maintenance of cellular processes and functions in the body. However, the excessive generation of oxygen radicals under pathological conditions such as acute lung injury (ALI) and its most severe form acute respiratory distress syndrome (ARDS) leads to increased endothelial permeability. Within this hallmark of ALI and ARDS, vascular microvessels lose their junctional integrity and show increased myosin contractions that promote the migration of polymorphonuclear leukocytes (PMNs) and the transition of solutes and fluids in the alveolar lumen. These processes all have a redox component, and this chapter focuses on the role played by ROS during the development of ALI/ARDS. We discuss the origins of ROS within the cell, cellular defense mechanisms against oxidative damage, the role of ROS in the development of endothelial permeability, and potential therapies targeted at oxidative stress.
Collapse
Affiliation(s)
- Manuela Kellner
- Department of Medicine, Center for Lung Vascular Pathobiology, University of Arizona, 1501 N Campbell Ave., Tucson, AZ, 85719, USA
| | - Satish Noonepalle
- Department of Medicine, Center for Lung Vascular Pathobiology, University of Arizona, 1501 N Campbell Ave., Tucson, AZ, 85719, USA
| | - Qing Lu
- Department of Medicine, Center for Lung Vascular Pathobiology, University of Arizona, 1501 N Campbell Ave., Tucson, AZ, 85719, USA
| | - Anup Srivastava
- Department of Medicine, Center for Lung Vascular Pathobiology, University of Arizona, 1501 N Campbell Ave., Tucson, AZ, 85719, USA
| | - Evgeny Zemskov
- Department of Medicine, Center for Lung Vascular Pathobiology, University of Arizona, 1501 N Campbell Ave., Tucson, AZ, 85719, USA
| | - Stephen M Black
- Department of Medicine, Center for Lung Vascular Pathobiology, University of Arizona, 1501 N Campbell Ave., Tucson, AZ, 85719, USA.
| |
Collapse
|
26
|
Yan M, Hou M, Liu J, Zhang S, Liu B, Wu X, Liu G. Regulation of iNOS-Derived ROS Generation by HSP90 and Cav-1 in Porcine Reproductive and Respiratory Syndrome Virus-Infected Swine Lung Injury. Inflammation 2018; 40:1236-1244. [PMID: 28493081 DOI: 10.1007/s10753-017-0566-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
In the lungs, endothelial nitric oxide synthase (eNOS) is usually expressed in endothelial cells and inducible nitric oxide synthase (iNOS) is mainly expressed in alveolar macrophages and epithelial cells. Both eNOS and iNOS are involved in lung inflammation. While they play several roles in lung inflammation formation and resolution, their expression and activity are also regulated by inflammatory factors. Their expression relationship in virus infection-induced lung injury is not well addressed. In this report, we analyzed expression of both eNOS and iNOS, the production of nitric oxide (NO) and reactive oxygen species (ROS), and expression of their associated regulatory proteins, heat shock protein 90 (HSP90) and caveolin-1 (Cav-1), in a swine lung injury model induced by porcine reproductive and respiratory syndrome virus (PRRSV) infection. The combination of upregulation of iNOS and downregulation of eNOS was observed in both natural and experimental PRRSV-infected lungs, while the combination is much enhanced in natural infected lungs. While NO production is much reduced in both infections, ROS was enhanced only in natural infected lungs. Moreover, HSP90 is increased in both natural and experimental infection and less Cav-1 expressed was observed only in the natural PRRSV-infected lungs. Therefore, the increased ROS generation is likely due to the increased iNOS and its unbalanced regulation by HSP90 and Cav-1, and it also likely causes higher endothelial dysfunction in clinical PRRSV-infected lungs.
Collapse
Affiliation(s)
- Meiping Yan
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China
| | - Make Hou
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China
| | - Jie Liu
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China
| | - Songlin Zhang
- Shandong Binzhou Animal Science and Veterinary Medicine Academy, Binzhou, 256600, Shandong Province, People's Republic of China
| | - Bang Liu
- Department of Animal Genetics and Breeding, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China. .,Key Lab of Swine Genetics and Breeding and Agricultural Animal Breeding and Reproduction, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China.
| | - Xiaoxiong Wu
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China
| | - Guoquan Liu
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China. .,Key Lab of Swine Genetics and Breeding and Agricultural Animal Breeding and Reproduction, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China.
| |
Collapse
|
27
|
Endothelial Cdc42 deficiency impairs endothelial regeneration and vascular repair after inflammatory vascular injury. Respir Res 2018; 19:27. [PMID: 29422044 PMCID: PMC5806471 DOI: 10.1186/s12931-018-0729-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 01/26/2018] [Indexed: 01/11/2023] Open
Abstract
Background Endothelial cell (EC) regeneration is essential for inflammation resolution and vascular integrity recovery after inflammatory vascular injury. Cdc42 is a central regulator of cell survival and vessel formation in EC development. However, it is unknown that whether Cdc42 could be a regulating role of EC repair following the inflammatory injury in the lung. The study sought to test the hypothesis that Cdc42 is required for endothelial regeneration and vascular integrity recovery after LPS-induced inflammatory injury. Methods and results The role of Cdc42 for the regulation of pulmonary vascular endothelial repair was tested in vitro and in vivo. In LPS-induced acute lung injury (ALI) mouse models, knockout of the Cdc42 gene in ECs increased inflammatory cell infiltration and pulmonary vascular leakage and inhibited vascular EC proliferation, which eventually resulted in more severe inflammatory lung injury. In addition, siRNA-mediated knockdown of Cdc42 protein on ECs disrupted cell proliferation and migration and tube formation, which are necessary processes for recovery after inflammatory vascular injury, resulting in inflammatory vascular injury recovery defects. Conclusion We found that Cdc42 deficiency impairs EC function and regeneration, which are crucial in the post-inflammatory vascular injury repair process. These findings indicate that Cdc42 is a potential target for novel treatments designed to facilitate endothelial regeneration and vascular repair in inflammatory pulmonary vascular diseases, such as ALI/ARDS. Electronic supplementary material The online version of this article (10.1186/s12931-018-0729-8) contains supplementary material, which is available to authorized users.
Collapse
|
28
|
Guan E, Wang Y, Wang C, Zhang R, Zhao Y, Hong J. Necrostatin-1 attenuates lipopolysaccharide-induced acute lung injury in mice. Exp Lung Res 2017; 43:378-387. [PMID: 29199874 DOI: 10.1080/01902148.2017.1384083] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
AIM OF THE STUDY Receptor-interacting protein (RIP) kinase family members are involved in several biological processes. However, their role in acute lung injury (ALI) is still unclear. In the present study, we aim to determine the expression and function of RIP kinase family in ALI. MATERIALS AND METHODS In the present study, ALI was induced in BALB/c male mice by intravenously injecting lipopolysaccharide (LPS). The expression levels of the RIP kinase family in ALI mice were determined using western blotting and immunohistochemical staining. The specific RIP-1 inhibitor, necrostatin-1, was used to treat LPS-induced ALI mice, followed by survival time recording, as well as histopathological and immunohistochemical staining of lung tissues, western blotting, myeloperoxidase (MPO) assay and enzyme-linked immunosorbent assay (ELISA) of related cytokines and downstream target expression. RESULTS We found that RIP-1 expression was upregulated in the lung of ALI mice and inhibition of RIP-1 by necrostatin-1 significantly prolonged the survival time of mice, which was accompanied by less serve lung injury. Furthermore, lower expression of pro-inflammatory cytokines (interleukin [IL]-6, tumor necrosis factor [TNF]-α, IL-8, cyclooxygenase [COX]-2, monocyte chemoattractant protein [MCP]-1, and IL-1β), MPO and nuclear factor (NF)-κB activation were found in bronchoalveolar lavage fluid (BALF) and lung tissues of necrostatin-1-treated ALI mice. Necrostatin-1 also attenuated LPS-induced pro-inflammatory cytokine expression and NF-κB activation in RAW 264.7 cells. CONCLUSIONS In summary, necrostatin-1 protected against LPS-induced ALI in mice by inhibiting inflammation and pulmonary NF-κB activation. Thus, necrostatin-1 could be a novel therapeutic strategy for ALI.
Collapse
Affiliation(s)
- Enqin Guan
- a Department of Pediatrics , the Affiliated Hospital of Qingdao University , Qingdao , Shandong , China.,b Department of Pediatrics , Qingdao Municipal Hospital , Qingdao , Shandong , China
| | - Yue Wang
- b Department of Pediatrics , Qingdao Municipal Hospital , Qingdao , Shandong , China
| | - Caixia Wang
- b Department of Pediatrics , Qingdao Municipal Hospital , Qingdao , Shandong , China
| | - Ruiyun Zhang
- b Department of Pediatrics , Qingdao Municipal Hospital , Qingdao , Shandong , China
| | - Yiming Zhao
- b Department of Pediatrics , Qingdao Municipal Hospital , Qingdao , Shandong , China
| | - Jiang Hong
- a Department of Pediatrics , the Affiliated Hospital of Qingdao University , Qingdao , Shandong , China
| |
Collapse
|
29
|
Li TJ, Zhao LL, Qiu J, Zhang HY, Bai GX, Chen L. Interleukin-17 antagonist attenuates lung inflammation through inhibition of the ERK1/2 and NF-κB pathway in LPS-induced acute lung injury. Mol Med Rep 2017; 16:2225-2232. [DOI: 10.3892/mmr.2017.6837] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 04/13/2017] [Indexed: 11/06/2022] Open
|
30
|
Zhang S, Li J, Li Y, Liu Y, Guo H, Xu X. Nitric Oxide Synthase Activity Correlates with OGG1 in Ozone-Induced Lung Injury Animal Models. Front Physiol 2017; 8:249. [PMID: 28496412 PMCID: PMC5406453 DOI: 10.3389/fphys.2017.00249] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 04/07/2017] [Indexed: 12/12/2022] Open
Abstract
Background: NO is an important cellular signaling molecule which is derived from L-arginine by nitric oxide synthase (NOS) and the effects of NOS signaling in lung injury is conflicting. The present study was designed to observe the effect of NOS and Arginase signaling in the occurrence and development of lung injury and its mechanism. Methods: An ozone-stressed lung injury animal model was established by exposure to 2.0 ppm O3 for 30 min every day for consecutive 12 day with or without the administration of NO precursor L-arginine or non-selective NOS inhibitor N-nitro-L-arginine methyl ester (L-NAME). Then, the lung histopathology, the releases of inflammatory mediators and the production of ROS were assayed by immunohistochemistry, ELISA and flow cytometry respectively. The activities and expression of NOS and Arginase were assayed by biochemical methods and western blot. Correspondingly, the release of 8-oxoguanine glycosylase 1(8-OxoG) and 8-oxoguanine glycosylase 1 (OGG1) were assayed by ELISA and western blot. The correlation between NOS/Arginase signaling with 8-OxoG/ OGG1 was also analyzed by Pearson correlation coefficients and immunofluorescence in NOS deficient bronchial epithelial cells. Results: In ozone-induced rat lung injury models, lung inflammation as well as lung architecture was disrupted in a time dependent manner. Ozone treatment with L-arginine showed a substantial attenuation of adverse lung histopathological changes and treatment with L-NAME promoted the inflammation and remodeling. Importantly, the expression of NOS was promoted by L-arginine and inhibited by L-NAME and the expression of Arginase was promoted by L-NAME treatment. Further, we observed significantly higher levels of 8-OxoG and lower levels of OGG1 in ozone group which was reversed by L-arginine and promoted by L-NAME. The expression of NOS is closely related with 8-OxoG /OCG1. Conclusion: These findings give further evidence that the NOS signaling is related with base excise repair.
Collapse
Affiliation(s)
- Suqin Zhang
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Jianhua Li
- Department of General Surgery, First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Yuqin Li
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Yufeng Liu
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Hongxiang Guo
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Xiaoli Xu
- Department of Pediatrics, First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| |
Collapse
|
31
|
Jin Z, Suen KC, Ma D. Perioperative "remote" acute lung injury: recent update. J Biomed Res 2017; 31:197-212. [PMID: 28808222 PMCID: PMC5460608 DOI: 10.7555/jbr.31.20160053] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 07/16/2016] [Indexed: 01/21/2023] Open
Abstract
Perioperative acute lung injury (ALI) is a syndrome characterised by hypoxia and chest radiograph changes. It is a serious post-operative complication, associated with considerable mortality and morbidity. In addition to mechanical ventilation, remote organ insult could also trigger systemic responses which induce ALI. Currently, there are limited treatment options available beyond conservative respiratory support. However, increasing understanding of the pathophysiology of ALI and the biochemical pathways involved will aid the development of novel treatments and help to improve patient outcome as well as to reduce cost to the health service. In this review we will discuss the epidemiology of peri-operative ALI; the cellular and molecular mechanisms involved on the pathological process; the clinical considerations in preventing and managing perioperative ALI and the potential future treatment options.
Collapse
Affiliation(s)
- Zhaosheng Jin
- Anaesthetics, Pain Medicine and intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London SW10 9NH, UK
| | - Ka Chun Suen
- Anaesthetics, Pain Medicine and intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London SW10 9NH, UK
| | - Daqing Ma
- Anaesthetics, Pain Medicine and intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London SW10 9NH, UK
| |
Collapse
|
32
|
Kumar S, Sun X, Noonepalle SK, Lu Q, Zemskov E, Wang T, Aggarwal S, Gross C, Sharma S, Desai AA, Hou Y, Dasarathy S, Qu N, Reddy V, Lee SG, Cherian-Shaw M, Yuan JXJ, Catravas JD, Rafikov R, Garcia JGN, Black SM. Hyper-activation of pp60 Src limits nitric oxide signaling by increasing asymmetric dimethylarginine levels during acute lung injury. Free Radic Biol Med 2017; 102:217-228. [PMID: 27838434 PMCID: PMC5449193 DOI: 10.1016/j.freeradbiomed.2016.11.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 10/17/2016] [Accepted: 11/04/2016] [Indexed: 12/22/2022]
Abstract
The molecular mechanisms by which the endothelial barrier becomes compromised during lipopolysaccharide (LPS) mediated acute lung injury (ALI) are still unresolved. We have previously reported that the disruption of the endothelial barrier is due, at least in part, to the uncoupling of endothelial nitric oxide synthase (eNOS) and increased peroxynitrite-mediated nitration of RhoA. The purpose of this study was to elucidate the molecular mechanisms by which LPS induces eNOS uncoupling during ALI. Exposure of pulmonary endothelial cells (PAEC) to LPS increased pp60Src activity and this correlated with an increase in nitric oxide (NO) production, but also an increase in NOS derived superoxide, peroxynitrite formation and 3-nitrotyrosine (3-NT) levels. These effects could be simulated by the over-expression of a constitutively active pp60Src (Y527FSrc) mutant and attenuated by over-expression of dominant negative pp60Src mutant or reducing pp60Src expression. LPS induces both RhoA nitration and endothelial barrier disruption and these events were attenuated when pp60Src expression was reduced. Endothelial NOS uncoupling correlated with an increase in the levels of asymmetric dimethylarginine (ADMA) in both LPS exposed and Y527FSrc over-expressing PAEC. The effects in PAEC were also recapitulated when we transiently over-expressed Y527FSrc in the mouse lung. Finally, we found that the pp60-Src-mediated decrease in DDAH activity was mediated by the phosphorylation of DDAH II at Y207 and that a Y207F mutant DDAH II was resistant to pp60Src-mediated inhibition. We conclude that pp60Src can directly inhibit DDAH II and this is involved in the increased ADMA levels that enhance eNOS uncoupling during the development of ALI.
Collapse
Affiliation(s)
- Sanjiv Kumar
- Vascular Biology Center and the Center for Biotechnology & Genomic Medicine, Augusta University, Augusta, GA, United States
| | - Xutong Sun
- Department of Medicine, The University of Arizona, Tucson, AZ, United States
| | | | - Qing Lu
- Department of Medicine, The University of Arizona, Tucson, AZ, United States
| | - Evgeny Zemskov
- Department of Medicine, The University of Arizona, Tucson, AZ, United States
| | - Ting Wang
- Department of Medicine, The University of Arizona, Tucson, AZ, United States
| | - Saurabh Aggarwal
- Department of Anesthesiology, The University of Alabama, Birmingham, AL, United States
| | - Christine Gross
- Vascular Biology Center and the Center for Biotechnology & Genomic Medicine, Augusta University, Augusta, GA, United States
| | - Shruti Sharma
- Center for Biotechnology & Genomic Medicine, Old Dominion University, Norfolk, VA, United States
| | - Ankit A Desai
- Department of Medicine, The University of Arizona, Tucson, AZ, United States
| | - Yali Hou
- Vascular Biology Center and the Center for Biotechnology & Genomic Medicine, Augusta University, Augusta, GA, United States
| | - Sridevi Dasarathy
- Vascular Biology Center and the Center for Biotechnology & Genomic Medicine, Augusta University, Augusta, GA, United States
| | - Ning Qu
- Department of Medicine, The University of Arizona, Tucson, AZ, United States
| | - Vijay Reddy
- Vascular Biology Center and the Center for Biotechnology & Genomic Medicine, Augusta University, Augusta, GA, United States
| | - Sung Gon Lee
- Vascular Biology Center and the Center for Biotechnology & Genomic Medicine, Augusta University, Augusta, GA, United States
| | - Mary Cherian-Shaw
- Vascular Biology Center and the Center for Biotechnology & Genomic Medicine, Augusta University, Augusta, GA, United States
| | - Jason X-J Yuan
- Department of Medicine, The University of Arizona, Tucson, AZ, United States
| | - John D Catravas
- Center for Biotechnology & Genomic Medicine, Old Dominion University, Norfolk, VA, United States
| | - Ruslan Rafikov
- Department of Medicine, The University of Arizona, Tucson, AZ, United States
| | - Joe G N Garcia
- Department of Medicine, The University of Arizona, Tucson, AZ, United States
| | - Stephen M Black
- Department of Medicine, The University of Arizona, Tucson, AZ, United States.
| |
Collapse
|
33
|
Wang T, Gross C, Desai AA, Zemskov E, Wu X, Garcia AN, Jacobson JR, Yuan JXJ, Garcia JGN, Black SM. Endothelial cell signaling and ventilator-induced lung injury: molecular mechanisms, genomic analyses, and therapeutic targets. Am J Physiol Lung Cell Mol Physiol 2016; 312:L452-L476. [PMID: 27979857 DOI: 10.1152/ajplung.00231.2016] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 12/08/2016] [Accepted: 12/11/2016] [Indexed: 12/13/2022] Open
Abstract
Mechanical ventilation is a life-saving intervention in critically ill patients with respiratory failure due to acute respiratory distress syndrome (ARDS). Paradoxically, mechanical ventilation also creates excessive mechanical stress that directly augments lung injury, a syndrome known as ventilator-induced lung injury (VILI). The pathobiology of VILI and ARDS shares many inflammatory features including increases in lung vascular permeability due to loss of endothelial cell barrier integrity resulting in alveolar flooding. While there have been advances in the understanding of certain elements of VILI and ARDS pathobiology, such as defining the importance of lung inflammatory leukocyte infiltration and highly induced cytokine expression, a deep understanding of the initiating and regulatory pathways involved in these inflammatory responses remains poorly understood. Prevailing evidence indicates that loss of endothelial barrier function plays a primary role in the development of VILI and ARDS. Thus this review will focus on the latest knowledge related to 1) the key role of the endothelium in the pathogenesis of VILI; 2) the transcription factors that relay the effects of excessive mechanical stress in the endothelium; 3) the mechanical stress-induced posttranslational modifications that influence key signaling pathways involved in VILI responses in the endothelium; 4) the genetic and epigenetic regulation of key target genes in the endothelium that are involved in VILI responses; and 5) the need for novel therapeutic strategies for VILI that can preserve endothelial barrier function.
Collapse
Affiliation(s)
- Ting Wang
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Christine Gross
- Vascular Biology Center, Augusta University, Augusta, Georgia
| | - Ankit A Desai
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Evgeny Zemskov
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Xiaomin Wu
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Alexander N Garcia
- Department of Pharmacology University of Illinois at Chicago, Chicago, Illinois; and
| | - Jeffrey R Jacobson
- Department of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - Jason X-J Yuan
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Joe G N Garcia
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona
| | - Stephen M Black
- Department of Medicine, The University of Arizona Health Sciences, Tucson, Arizona;
| |
Collapse
|
34
|
Erythropoietin Pretreatment Attenuates Seawater Aspiration-Induced Acute Lung Injury in Rats. Inflammation 2016; 39:447-456. [PMID: 26454446 DOI: 10.1007/s10753-015-0268-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Seawater drowning-induced acute lung injury (ALI) is a serious clinical condition characterized by increased alveolar-capillary permeability, excessive inflammatory responses, and refractory hypoxemia. However, current therapeutic options are largely supportive; thus, it is of great interest to search for alternative agents to treat seawater aspiration-induced ALI. Erythropoietin (EPO) is a multifunctional agent with antiinflammatory, antioxidative, and antiapoptotic properties. However, the effects of EPO on seawater aspiration-induced ALI remain unclear. In the present study, male rats were randomly assigned to the naive group, normal saline group, seawater group, or seawater + EPO group. EPO was administered intraperitoneally at 48 and 24 h before seawater aspiration. Arterial blood gas analysis was performed with a gas analyzer at baseline, 30 min, 1 h, 4 h, and 24 h after seawater aspiration, respectively. Histological scores, computed tomography scan, nuclear factor kappa B p65, inducible nitric oxide synthase, caspase-3, tumor necrosis factor-alpha, interleukin (IL)-1β, IL-6, IL-10, wet-to-dry weight ratio, myeloperoxidase activity, malondialdehyde, and superoxide dismutase in the lung were determined 30 min after seawater aspiration. Our results showed that EPO pretreatment alleviated seawater aspiration-induced ALI, as indicated by increased arterial partial oxygen tension and decreased lung histological scores. Furthermore, EPO pretreatment attenuated seawater aspiration-induced increase in the expressions of pulmonary nuclear factor kappa B p65, inducible nitric oxide synthase, caspase-3, tumor necrosis factor-alpha, IL-1β, myeloperoxidase activity, and malondialdehyde when compared with the seawater group. Collectively, our study suggested that EPO pretreatment attenuates seawater aspiration-induced ALI by down-regulation of pulmonary pro-inflammatory cytokines, oxidative stress, and apoptosis.
Collapse
|
35
|
Liang T, Ma YF, Zhu J, Wang DX, Liu Y. A clinical study of multiple trauma combined with acute lung injury. JOURNAL OF ACUTE DISEASE 2016. [DOI: 10.1016/j.joad.2016.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
|
36
|
Liu H, Yu X, Yu S, Kou J. Molecular mechanisms in lipopolysaccharide-induced pulmonary endothelial barrier dysfunction. Int Immunopharmacol 2015; 29:937-946. [PMID: 26462590 DOI: 10.1016/j.intimp.2015.10.010] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 10/01/2015] [Accepted: 10/07/2015] [Indexed: 12/21/2022]
Abstract
The confluent pulmonary endothelium plays an important role as a semi-permeable barrier between the vascular space of blood vessels and the underlying tissues, and it contributes to the maintenance of circulatory fluid homeostasis. Pulmonary endothelial barrier dysfunction is a pivotal early step in the development of a variety of high mortality diseases, such as acute lung injury (ALI). Endothelium barrier dysfunction in response to inflammatory or infectious mediators, including lipopolysaccharide (LPS), is accompanied by invertible cell deformation and interendothelial gap formation. However, specific pharmacological therapies aiming at ameliorating pulmonary endothelial barrier function in patients are still lacking. A full understanding of the fundamental mechanisms that are involved in the regulation of pulmonary endothelial permeability is essential for the development of barrier protective therapeutic strategies. Therefore, this review summarizes several important molecular mechanisms involved in LPS-induced changes in pulmonary endothelial barrier function. As for barrier-disruption, the activation of myosin light chain kinase (MLCK), RhoA and tyrosine kinases; increase of calcium influx; and apoptosis of the endothelium lead to an elevation of lung endothelial permeability. Additionally, the activation of Rac1, Cdc42, protease activated receptor 1 (PAR1) and adenosine receptors (ARs), as well as the increase of cyclic AMP and sphingosine-1-phosphate (S1P) content, protect against LPS-induced lung endothelial barrier dysfunction. Furthermore, current regulatory factors and strategies against the development of LPS-induced lung endothelial hyper-permeability are discussed.
Collapse
Affiliation(s)
- Han Liu
- State Key Laboratory of Natural Products, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Complex Prescription of TCM, China Pharmaceutical University, 639, Longmian Road, Nanjing, 211198, PR China
| | - Xiu Yu
- State Key Laboratory of Natural Products, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Complex Prescription of TCM, China Pharmaceutical University, 639, Longmian Road, Nanjing, 211198, PR China
| | - Sulan Yu
- State Key Laboratory of Natural Products, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Complex Prescription of TCM, China Pharmaceutical University, 639, Longmian Road, Nanjing, 211198, PR China
| | - Junping Kou
- State Key Laboratory of Natural Products, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Complex Prescription of TCM, China Pharmaceutical University, 639, Longmian Road, Nanjing, 211198, PR China.
| |
Collapse
|