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Tiboldi A, Hunyadi-Gulyas E, Wohlrab P, Schmid JA, Markstaller K, Klein KU, Tretter V. Effects of Hyperoxia and Hyperoxic Oscillations on the Proteome of Murine Lung Microvascular Endothelium. Antioxidants (Basel) 2022; 11. [PMID: 36552557 DOI: 10.3390/antiox11122349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/20/2022] [Accepted: 11/25/2022] [Indexed: 11/29/2022] Open
Abstract
Patients presenting with insufficient tissue oxygenation and impaired lung function as in acute respiratory distress syndrome (ARDS) frequently require mechanical ventilation with supplemental oxygen. Despite the lung being used to experiencing the highest partial pressure of oxygen during healthy breathing, the organ is susceptible to oxygen-induced injury at supraphysiological concentrations. Hyperoxia-induced lung injury (HALI) has been regarded as a second hit to pre-existing lung injury and ventilator-induced lung injury (VILI) attributed to oxidative stress. The injured lung has a tendency to form atelectasis, a cyclic collapse and reopening of alveoli. The affected lung areas experience oxygen conditions that oscillate between hyperoxia and hypoxia rather than remaining in a constant hyperoxic state. Mechanisms of HALI have been investigated in many animal models previously. These studies provided insights into the effects of hyperoxia on the whole organism. However, cell type-specific responses have not been dissected in detail, but are necessary for a complete mechanistic understanding of ongoing pathological processes. In our study, we investigated the effects of constant and intermittent hyperoxia on the lung endothelium from a mouse by an in vitro proteomic approach. We demonstrate that these oxygen conditions have characteristic effects on the pulmonary endothelial proteome that underlie the physiological (patho)mechanisms.
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Nyp MF, Mabry SM, Navarro A, Menden H, Perez RE, Sampath V, Ekekezie II. Lung epithelial-specific TRIP-1 overexpression maintains epithelial integrity during hyperoxia exposure. Physiol Rep 2018; 6:e13585. [PMID: 29484847 PMCID: PMC5827472 DOI: 10.14814/phy2.13585] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 12/20/2017] [Accepted: 12/27/2017] [Indexed: 12/19/2022] Open
Abstract
The onset and degree of injury occurring in animals that develop hyperoxic acute lung injury (HALI) is dependent on age at exposure, suggesting that developmentally regulated pathways/factors must underlie initiation of the epithelial injury and subsequent repair. Type II TGFβ receptor interacting protein-1 (TRIP-1) is a negative regulator of TGFβ signaling, which we have previously shown is a developmentally regulated protein with modulatory effects on epithelial-fibroblastic signaling. The aim of this study was to assess if type II alveolar epithelial cells overexpressing TRIP-1 are protected against hyperoxia-induced epithelial injury, and in turn HALI. Rat lung epithelial cells (RLE) overexpressing TRIP-1 or LacZ were exposed to 85% oxygen for 4 days. A surfactant protein C (SPC)-driven TRIP-1 overexpression mouse (TRIP-1AECTg+ ) was generated and exposed to hyperoxia (>95% for 4 days) at 4 weeks of age to assess the effects TRIP-1 overexpression has on HALI. RLE overexpressing TRIP-1 resisted hyperoxia-induced apoptosis. Mice overexpressing TRIP-1 in their lung type II alveolar epithelial cells (TRIP-1AECTg+ ) showed normal lung development, increased phospho-AKT level and E-cadherin, along with resistance to HALI, as evidence by less TGFβ activation, apoptosis, alveolar macrophage influx, KC expression. Taken together, these findings point to existence of a TRIP-1 mediated molecular pathway affording protection against epithelial/acute lung injury.
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Affiliation(s)
- Michael F. Nyp
- Division of NeonatologyDepartment of PediatricsChildren's Mercy Kansas CityKansas CityMissouri
- Department of PediatricsUniversity of Missouri Kansas CityKansas CityMissouri
| | - Sherry M. Mabry
- Division of NeonatologyDepartment of PediatricsChildren's Mercy Kansas CityKansas CityMissouri
- Department of PediatricsUniversity of Missouri Kansas CityKansas CityMissouri
| | - Angels Navarro
- Division of NeonatologyDepartment of PediatricsChildren's Mercy Kansas CityKansas CityMissouri
- Department of PediatricsUniversity of Missouri Kansas CityKansas CityMissouri
| | - Heather Menden
- Division of NeonatologyDepartment of PediatricsChildren's Mercy Kansas CityKansas CityMissouri
- Department of PediatricsUniversity of Missouri Kansas CityKansas CityMissouri
| | - Ricardo E. Perez
- Department of Anatomy and Cell BiologyRush UniversityChicagoIllinois
| | - Venkatesh Sampath
- Division of NeonatologyDepartment of PediatricsChildren's Mercy Kansas CityKansas CityMissouri
- Department of PediatricsUniversity of Missouri Kansas CityKansas CityMissouri
| | - Ikechukwu I. Ekekezie
- Division of NeonatologyDepartment of PediatricsChildren's Mercy Kansas CityKansas CityMissouri
- Department of PediatricsUniversity of Missouri Kansas CityKansas CityMissouri
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Abstract
Oxygen is both lifesaving and toxic. Appropriate use of oxygen aims to provide a balance between the two effects. Although local oxygen toxicity to the lung is well accepted, recent evidence has called into question the negative consequences of hyperoxemia in other organ beds. Hyperoxia following cardiac arrest, traumatic brain injury, and stroke has been shown to worsen outcomes. The role of hyperoxemia in mechanically ventilated patients, in the face of non-toxic inspired oxygen concentrations, is less clear. This paper will review the data for and against the use of conservative oxygen targets and the avoidance of hyperoxemia in mechanically ventilated patients.
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Affiliation(s)
- Richard H Kallet
- Respiratory Care Services, University of California San Francisco Department of Anesthesia at San Francisco General Hospital, San Francisco, California
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Han CH, Zhang PX, Liu Y, Zheng J, Liu K, Wei D, Qiao T, Peng B, Liu W. Changes in angiotensin II and angiotensin-converting enzyme of different tissues after prolonged hyperoxia exposure. Undersea Hyperb Med 2017; 44:39-44. [PMID: 28768084 DOI: 10.22462/1.2.2017.7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Current study findings concerning changes in the renin-angiotensin system (RAS) in cases of hyperoxic acute lung injury (HALI) have shown conflicting results. This study aimed to detect the angiotensin II (Ang II) and angiotensin-converting enzyme (ACE) in a rat HALI model. Healthy male Sprague-Dawley rats were randomly assigned into three groups: the control group, HALI group and hyperbaric oxygen preconditioning (HBO₂-PC) group. HALI was induced by exposure to pure oxygen at 250 kPa for six hours. In the HBO₂-PC group, rats were exposed to oxygen at 250 kPa for 60 minutes twice daily for two consecutive days; HALI was induced at 24 hours after the last oxygen exposure.=After HALI, the lung, spleen and liver were harvested for HE staining and pathological examination. At one hour and 18 hours after HALI, the blood, liver, lung and spleen were collected for the detection of Ang II and ACE contents by enzyme-linked immunosorbent assay. Pathological examination showed the lung was significantly damaged and characteristics of HALI were observed, but there were no significant pathological changes in the liver and spleen. After HALI, Ang II and ACE contents of different tissues increased progressively over time, but the HBO₂-PC group showed reductions in the Ang II and ACE contents to a certain extent, especially at 18 hours after injury. These findings suggest prolonged hyperoxia exposure may activate the RAS, which may be associated with the pathogenesis of HALI. HBO₂-PC has a limited capability to inhibit RAS activation.
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Affiliation(s)
- Cui-Hong Han
- Department of Pathology, the First People?s Hospital of Jining City, No 6, Jiankang Road, Jining City, Shandong, 272011, P. R. China
| | - Pei-Xi Zhang
- Department of Cardiothoracic Surgery, the First People?s Hospital of Jining City, No 6, Jiankang Road, Jining City, Shandong, 272011, P. R. China
| | - Ying Liu
- Department of Pathology, Yantaishan Hospital, No 91, Jiefang Road, Zhifu District, Yantai City, Shandong, 264001, P. R. China
| | - Juan Zheng
- Department Diving and Hyperbaric Medicine, Secondary Military Medical University, No 800, Xiangyin Road, Yangpu District, Shanghai, 200433, P. R. China
| | - Kan Liu
- Department Diving and Hyperbaric Medicine, Secondary Military Medical University, No 800, Xiangyin Road, Yangpu District, Shanghai, 200433, P. R. China
| | - Dunbiao Wei
- Department Diving and Hyperbaric Medicine, Secondary Military Medical University, No 800, Xiangyin Road, Yangpu District, Shanghai, 200433, P. R. China
| | - Tongju Qiao
- Department Diving and Hyperbaric Medicine, Secondary Military Medical University, No 800, Xiangyin Road, Yangpu District, Shanghai, 200433, P. R. China
| | - Bo Peng
- Department Diving and Hyperbaric Medicine, Secondary Military Medical University, No 800, Xiangyin Road, Yangpu District, Shanghai, 200433, P. R. China
| | - Wenwu Liu
- Department Diving and Hyperbaric Medicine, Secondary Military Medical University, No 800, Xiangyin Road, Yangpu District, Shanghai, 200433, P. R. China
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Abstract
Hyperoxic acute lung injury (HALI) refers to the damage to the lungs secondary to exposure to elevated oxygen partial pressure. HALI has been a concern in clinical practice with the development of deep diving and the use of normobaric as well as hyperbaric oxygen in clinical practice. Although the pathogenesis of HALI has been extensively studied, the findings are still controversial. Nitric oxide (NO) is an intercellular messenger and has been considered as a signaling molecule involved in many physiological and pathological processes. Although the role of NO in the occurrence and development of pulmonary diseases including HALI has been extensively studied, the findings on the role of NO in HALI are conflicting. Moreover, inhalation of NO has been approved as a therapeutic strategy for several diseases. In this paper, we briefly summarize the role of NO in the pathogenesis of HALI and the therapeutic potential of inhaled NO in HALI.
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Affiliation(s)
- Wen-Wu Liu
- Department of Diving and Hyperbaric Medicine, Secondary Military Medical University, Shanghai, China
| | - Cui-Hong Han
- Department of Pathology, the First Hospital of Jining City, Jining, Shandong Province, China
| | - Pei-Xi Zhang
- Department of Cardiothoracic Surgery, the First Hospital of Jining City, Jining, Shandong Province, China
| | - Juan Zheng
- Department of Diving and Hyperbaric Medicine, Secondary Military Medical University, Shanghai, China
| | - Kan Liu
- Department of Diving and Hyperbaric Medicine, Secondary Military Medical University, Shanghai, China
| | - Xue-Jun Sun
- Department of Diving and Hyperbaric Medicine, Secondary Military Medical University, Shanghai, China
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Sato T, Paquet-Fifield S, Harris NC, Roufail S, Turner DJ, Yuan Y, Zhang YF, Fox SB, Hibbs ML, Wilkinson-Berka JL, Williams RA, Stacker SA, Sly PD, Achen MG. VEGF-D promotes pulmonary oedema in hyperoxic acute lung injury. J Pathol 2016; 239:152-61. [PMID: 26924464 PMCID: PMC5071654 DOI: 10.1002/path.4708] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 02/07/2016] [Accepted: 02/17/2016] [Indexed: 12/21/2022]
Abstract
Leakage of fluid from blood vessels, leading to oedema, is a key feature of many diseases including hyperoxic acute lung injury (HALI), which can occur when patients are ventilated with high concentrations of oxygen (hyperoxia). The molecular mechanisms driving vascular leak and oedema in HALI are poorly understood. VEGF‐D is a protein that promotes blood vessel leak and oedema when overexpressed in tissues, but the role of endogenous VEGF‐D in pathological oedema was unknown. To address these issues, we exposed Vegfd‐deficient mice to hyperoxia. The resulting pulmonary oedema in Vegfd‐deficient mice was substantially reduced compared to wild‐type, as was the protein content of bronchoalveolar lavage fluid, consistent with reduced vascular leak. Vegf‐d and its receptor Vegfr‐3 were more highly expressed in lungs of hyperoxic, versus normoxic, wild‐type mice, indicating that components of the Vegf‐d signalling pathway are up‐regulated in hyperoxia. Importantly, VEGF‐D and its receptors were co‐localized on blood vessels in clinical samples of human lungs exposed to hyperoxia; hence, VEGF‐D may act directly on blood vessels to promote fluid leak. Our studies show that Vegf‐d promotes oedema in response to hyperoxia in mice and support the hypothesis that VEGF‐D signalling promotes vascular leak in human HALI. © 2016 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Teruhiko Sato
- Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia.,Ludwig Institute for Cancer Research, Parkville, Victoria, Australia
| | | | - Nicole C Harris
- Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia.,Ludwig Institute for Cancer Research, Parkville, Victoria, Australia
| | - Sally Roufail
- Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia
| | - Debra J Turner
- Telethon Institute for Child Health Research and Centre for Child Health Research, University of Western Australia, Nedlands, Australia
| | - Yinan Yuan
- Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia
| | - You-Fang Zhang
- Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia
| | - Stephen B Fox
- Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia.,Sir Peter MacCallum Department of Oncology, University of Melbourne, Victoria, Australia
| | - Margaret L Hibbs
- Ludwig Institute for Cancer Research, Parkville, Victoria, Australia.,Department of Immunology and Pathology, Monash University, Melbourne, Victoria, Australia
| | | | - Richard A Williams
- Department of Pathology, University of Melbourne, Victoria, Australia.,Department of Anatomical Pathology, St Vincent's Hospital, Melbourne, Victoria, Australia
| | - Steven A Stacker
- Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia.,Ludwig Institute for Cancer Research, Parkville, Victoria, Australia.,Sir Peter MacCallum Department of Oncology, University of Melbourne, Victoria, Australia
| | - Peter D Sly
- Telethon Institute for Child Health Research and Centre for Child Health Research, University of Western Australia, Nedlands, Australia
| | - Marc G Achen
- Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia.,Ludwig Institute for Cancer Research, Parkville, Victoria, Australia.,Sir Peter MacCallum Department of Oncology, University of Melbourne, Victoria, Australia
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