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Abstract
Metabolomics is an expanding field of systems biology that is gaining significant attention in respiratory research. As a unique approach to understanding and diagnosing diseases, metabolomics provides a snapshot of all metabolites present in biological samples such as exhaled breath condensate, bronchoalveolar lavage, plasma, serum, urine, and other specimens that may be obtained from patients with respiratory diseases. In this article, we review the rapidly expanding field of metabolomics in its application to respiratory diseases, including asthma, chronic obstructive pulmonary disease (COPD), pneumonia, and acute lung injury, along with its more severe form, adult respiratory disease syndrome. We also discuss the potential applications of metabolomics for monitoring exposure to aerosolized occupational and environmental materials. With the latest advances in our understanding of the microbiome, we discuss microbiome-derived metabolites that arise from the gut and lung in asthma and COPD that have mechanistic implications for these diseases. Recent literature has suggested that metabolomics analysis using nuclear magnetic resonance (NMR) and mass spectrometry (MS) approaches may provide clinicians with the opportunity to identify new biomarkers that may predict progression to more severe diseases which may be fatal for many patients each year.
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Affiliation(s)
- Subhabrata Moitra
- Department of Medicine, Alberta Respiratory Centre (ARC), University of Alberta, Edmonton, AB, Canada
| | - Arghya Bandyopadhyay
- Department of Medicine, Alberta Respiratory Centre (ARC), University of Alberta, Edmonton, AB, Canada
| | - Paige Lacy
- Department of Medicine, Alberta Respiratory Centre (ARC), University of Alberta, Edmonton, AB, Canada.
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Anwar F, Sparrow NA, Rashid MH, Guidry G, Gezalian MM, Ley EJ, Koronyo-Hamaoui M, Danovitch I, Ely EW, Karumanchi SA, Lahiri S. Systemic interleukin-6 inhibition ameliorates acute neuropsychiatric phenotypes in a murine model of acute lung injury. Crit Care 2022; 26:274. [PMID: 36100846 PMCID: PMC9469063 DOI: 10.1186/s13054-022-04159-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 09/04/2022] [Indexed: 11/10/2022] Open
Abstract
Acute neuropsychiatric impairments occur in over 70% of patients with acute lung injury. Mechanical ventilation is a well-known precipitant of acute lung injury and is strongly associated with the development of acute delirium and anxiety phenotypes. In prior studies, we demonstrated that IL-6 mediates neuropathological changes in the frontal cortex and hippocampus of animals with mechanical ventilation-induced brain injury; however, the effect of systemic IL-6 inhibition on structural and functional acute neuropsychiatric phenotypes is not known. We hypothesized that a murine model of mechanical ventilation-induced acute lung injury (VILI) would induce neural injury to the amygdala and hippocampus, brain regions that are implicated in diverse neuropsychiatric conditions, and corresponding delirium- and anxiety-like functional impairments. Furthermore, we hypothesized that these structural and functional changes would reverse with systemic IL-6 inhibition. VILI was induced using high tidal volume (35 cc/kg) mechanical ventilation. Cleaved caspase-3 (CC3) expression was quantified as a neural injury marker and found to be significantly increased in the VILI group compared to spontaneously breathing or anesthetized and mechanically ventilated mice with 10 cc/kg tidal volume. VILI mice treated with systemic IL-6 inhibition had significantly reduced amygdalar and hippocampal CC3 expression compared to saline-treated animals and demonstrated amelioration in acute neuropsychiatric behaviors in open field, elevated plus maze, and Y-maze tests. Overall, these data provide evidence of a pathogenic role of systemic IL-6 in mediating structural and functional acute neuropsychiatric symptoms in VILI and provide preclinical justification to assess IL-6 inhibition as a potential intervention to ameliorate acute neuropsychiatric phenotypes following VILI.
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Mao Y, Ma Z, Xu C, Lv Z, Dong W, Liu X. Pathogenesis of ventilator-induced lung injury: metabolomics analysis of the lung and plasma. Metabolomics 2022; 18:66. [PMID: 35925420 DOI: 10.1007/s11306-022-01914-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 06/27/2022] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Nowadays,the mechanical ventilation (MV) aims to rest the respiratory muscles while providing adequate gas exchange, and it has been a part of basic life support during general anesthesia as well as in critically ill patients with and without respiratory failure. However, MV itself has the potential to cause or worsen lung injury, which is also known as ventilator-induced lung injury (VILI). Thus, the early diagnosis of VILI is of great importance for the prevention and treatment of VILI. OBJECTIVE This study aimed to investigate the metabolomes in the lung and plasma of mice receiving mechanical ventilation (MV). METHODS Healthy mice were randomly assigned into control group; (2) high volume tidal (HV) group (30 ml/kg); (3) low volume tidal (LV) group (6 ml/kg). After ventilation for 4 h, mice were sacrificed and the lung tissue and plasma were collected. The lung and plasma were processed for the metabolomics analysis. We also performed histopathological examination on the lung tissue. RESULTS We detected moderate inflammatory damage with alveolar septal thickening in the HV group compared with the normal and LV groups.The metabolomics analysis results showed MV altered the metabolism which was characterized by the dysregulation of γ-amino butyric acid (GABA) system and urea cycle (desregulations in plasma and lung guanidinosuccinic acid, argininosuccinic acid, succinic acid semialdehyde and lung GABA ), Disturbance of citric acid cycle (CAC) (increased plasma glutamine and lung phosphoenol pyruvate) and redox imbalance (desregulations in plasma and/or lung ascorbic acid, chenodeoxycholic acid, uric acid, oleic acid, stearidonic acid, palmitoleic acid and docosahexaenoic acid). Moreover, the lung and plasma metabolomes were also significantly different between LV and HV groups. CONCLUSIONS Some lung and plasma metabolites related to the GABA system and urea cycle, citric acid cycle and redox balance were significantly altered, and they may be employed for the evaluation of VILI and serve as targets in the treatment of VILI.
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Affiliation(s)
- Yanfei Mao
- Department of Anesthesiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, No 1665, Kongjiang Road, Yangpu District, Shanghai, 200092, China
| | - Zhixin Ma
- Translational Medical Institute, Shanghai University, Shanghai, 200444, China
| | - Chufan Xu
- Department of Anesthesiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, No 1665, Kongjiang Road, Yangpu District, Shanghai, 200092, China
| | - Zhou Lv
- Department of Anesthesiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, No 1665, Kongjiang Road, Yangpu District, Shanghai, 200092, China
| | - Wenwen Dong
- Department of Anesthesiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, No 1665, Kongjiang Road, Yangpu District, Shanghai, 200092, China.
| | - Xinru Liu
- Translational Medical Institute, Shanghai University, Shanghai, 200444, China.
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Different Tidal Volumes May Jeopardize Pulmonary Redox and Inflammatory Status in Healthy Rats Undergoing Mechanical Ventilation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5196896. [PMID: 34745417 PMCID: PMC8570858 DOI: 10.1155/2021/5196896] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 10/11/2021] [Indexed: 11/18/2022]
Abstract
Mechanical ventilation (MV) is essential for the treatment of critical patients since it may provide a desired gas exchange. However, MV itself can trigger ventilator-associated lung injury in patients. We hypothesized that the mechanisms of lung injury through redox imbalance might also be associated with pulmonary inflammatory status, which has not been so far described. We tested it by delivering different tidal volumes to normal lungs undergoing MV. Healthy Wistar rats were divided into spontaneously breathing animals (control group, CG), and rats were submitted to MV (controlled ventilation mode) with tidal volumes of 4 mL/kg (MVG4), 8 mL/kg (MVG8), or 12 mL/kg (MVG12), zero end-expiratory pressure (ZEEP), and normoxia (FiO2 = 21%) for 1 hour. After ventilation and euthanasia, arterial blood, bronchoalveolar lavage fluid (BALF), and lungs were collected for subsequent analysis. MVG12 presented lower PaCO2 and bicarbonate content in the arterial blood than CG, MVG4, and MVG8. Neutrophil influx in BALF and MPO activity in lung tissue homogenate were significantly higher in MVG12 than in CG. The levels of CCL5, TNF-α, IL-1, and IL-6 in lung tissue homogenate were higher in MVG12 than in CG and MVG4. In the lung parenchyma, the lipid peroxidation was more important in MVG12 than in CG, MVG4, and MVG8, while there was more protein oxidation in MVG12 than in CG and MVG4. The stereological analysis confirmed the histological pulmonary changes in MVG12. The association of controlled mode ventilation and high tidal volume, without PEEP and normoxia, impaired pulmonary histoarchitecture and triggered redox imbalance and lung inflammation in healthy adult rats.
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Metwaly SM, Winston BW. Systems Biology ARDS Research with a Focus on Metabolomics. Metabolites 2020; 10:metabo10050207. [PMID: 32438561 PMCID: PMC7281154 DOI: 10.3390/metabo10050207] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 05/09/2020] [Accepted: 05/15/2020] [Indexed: 12/19/2022] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a clinical syndrome that inflicts a considerably heavy toll in terms of morbidity and mortality. While there are multitudes of conditions that can lead to ARDS, the vast majority of ARDS cases are caused by a relatively small number of diseases, especially sepsis and pneumonia. Currently, there is no clinically agreed upon reliable diagnostic test for ARDS, and the detection or diagnosis of ARDS is based on a constellation of laboratory and radiological tests in the absence of evidence of left ventricular dysfunction, as specified by the Berlin definition of ARDS. Virtually all the ARDS biomarkers to date have been proven to be of very limited clinical utility. Given the heterogeneity of ARDS due to the wide variation in etiology, clinical and molecular manifestations, there is a current scientific consensus agreement that ARDS is not just a single entity but rather a spectrum of conditions that need further study for proper classification, the identification of reliable biomarkers and the adequate institution of therapeutic targets. This scoping review aims to elucidate ARDS omics research, focusing on metabolomics and how metabolomics can boost the study of ARDS biomarkers and help to facilitate the identification of ARDS subpopulations.
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Affiliation(s)
- Sayed M. Metwaly
- Department of Critical Care Medicine, Faculty of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada;
| | - Brent W. Winston
- Department of Critical Care Medicine, Faculty of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada;
- Departments of Medicine and Biochemistry and Molecular Biology, University of Calgary, Calgary, AB T2N 4Z6, Canada
- Correspondence: ; Tel.: +1-(403)-220-4331; Fax: +1-(403)-283-1267
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Viswan A, Singh C, Kayastha AM, Azim A, Sinha N. An NMR based panorama of the heterogeneous biology of acute respiratory distress syndrome (ARDS) from the standpoint of metabolic biomarkers. NMR IN BIOMEDICINE 2020; 33:e4192. [PMID: 31733128 DOI: 10.1002/nbm.4192] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 08/16/2019] [Accepted: 09/05/2019] [Indexed: 06/10/2023]
Abstract
Acute respiratory distress syndrome (ARDS), manifested by intricate etiology and pathophysiology, demands careful clinical surveillance due to its high mortality and imminent life support measures. NMR based metabolomics provides an approach for ARDS which culminates from a wide spectrum of illness thereby confounding early manifestation and prognosis predictors. 1 H NMR with its manifold applications in critical disease settings can unravel the biomarker of ARDS thus holding potent implications by providing surrogate endpoints of clinical utility. NMR metabolomics which is the current apogee platform of omics trilogy is contributing towards the possible panacea of ARDS by subsequent validation of biomarker credential on larger datasets. In the present review, the physiological derangements that jeopardize the whole metabolic functioning in ARDS are exploited and the biomarkers involved in progression are addressed and substantiated. The following sections of the review also outline the clinical spectrum of ARDS from the standpoint of NMR based metabolomics which is an emerging element of systems biology. ARDS is the main premise of intensivists textbook, which has been thoroughly reviewed along with its incidence, progressive stages of severity, new proposed diagnostic definition, and the preventive measures and the current pitfalls of clinical management. The advent of new therapies, the need for biomarkers, the methodology and the contemporary promising approaches needed to improve survival and address heterogeneity have also been evaluated. The review has been stepwise illustrated with potent biometrics employed to selectively pool out differential metabolites as diagnostic markers and outcome predictors. The following sections have been drafted with an objective to better understand ARDS mechanisms with predictive and precise biomarkers detected so far on the basis of underlying physiological parameters having close proximity to diseased phenotype. The aim of this review is to stimulate interest in conducting more studies to help resolve the complex heterogeneity of ARDS with biomarkers of clinical utility and relevance.
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Affiliation(s)
- Akhila Viswan
- Centre of Biomedical Research, Sanjay Gandhi Post Graduate Institute of Medical Sciences (SGPGIMS) - Campus, Lucknow, Uttar Pradesh, India
- Faculty of Engineering and Technology, Dr. A. P. J Abdul Kalam Technical University, Lucknow, India
| | - Chandan Singh
- Centre of Biomedical Research, Sanjay Gandhi Post Graduate Institute of Medical Sciences (SGPGIMS) - Campus, Lucknow, Uttar Pradesh, India
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Arvind M Kayastha
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Afzal Azim
- Critical Care Medicine, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Neeraj Sinha
- Centre of Biomedical Research, Sanjay Gandhi Post Graduate Institute of Medical Sciences (SGPGIMS) - Campus, Lucknow, Uttar Pradesh, India
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Metabolomic Profile of ARDS by Nuclear Magnetic Resonance Spectroscopy in Patients With H1N1 Influenza Virus Pneumonia. Shock 2019; 50:504-510. [PMID: 29293175 DOI: 10.1097/shk.0000000000001099] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
PURPOSE The integrated analysis of changes in the metabolic profile could be critical for the discovery of biomarkers of lung injury, and also for generating new pathophysiological hypotheses and designing novel therapeutic targets for the acute respiratory distress syndrome (ARDS). This study aimed at developing a nuclear magnetic resonance (NMR)-based approach for the identification of the metabolomic profile of ARDS in patients with H1N1 influenza virus pneumonia. METHODS Serum samples from 30 patients (derivation set) diagnosed of H1N1 influenza virus pneumonia were analyzed by unsupervised principal component analysis to identify metabolic differences between patients with and without ARDS by NMR spectroscopy. A predictive model of partial least squares discriminant analysis (PLS-DA) was developed for the identification of ARDS. PLS-DA was trained with the derivation set and tested in another set of samples from 26 patients also diagnosed of H1N1 influenza virus pneumonia (validation set). RESULTS Decreased serum glucose, alanine, glutamine, methylhistidine and fatty acids concentrations, and elevated serum phenylalanine and methylguanidine concentrations, discriminated patients with ARDS versus patients without ARDS. PLS-DA model successfully identified the presence of ARDS in the validation set with a success rate of 92% (sensitivity 100% and specificity 91%). The classification functions showed a good correlation with the Sequential Organ Failure Assessment score (R = 0.74, P < 0.0001) and the PaO2/FiO2 ratio (R = 0.41, P = 0.03). CONCLUSIONS The serum metabolomic profile is sensitive and specific to identify ARDS in patients with H1N1 influenza A pneumonia. Future studies are needed to determine the role of NMR spectroscopy as a biomarker of ARDS.
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Izquierdo-Garcia JL, Arias T, Rojas Y, Garcia-Ruiz V, Santos A, Martin-Puig S, Ruiz-Cabello J. Metabolic Reprogramming in the Heart and Lung in a Murine Model of Pulmonary Arterial Hypertension. Front Cardiovasc Med 2018; 5:110. [PMID: 30159317 PMCID: PMC6104186 DOI: 10.3389/fcvm.2018.00110] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 07/27/2018] [Indexed: 01/01/2023] Open
Abstract
A significant glycolytic shift in the cells of the pulmonary vasculature and right ventricle during pulmonary arterial hypertension (PAH) has been recently described. Due to the late complications and devastating course of any variant of this disease, there is a great need for animal models that reproduce potential metabolic reprograming of PAH. Our objective is to study, in situ, the metabolic reprogramming in the lung and the right ventricle of a mouse model of PAH by metabolomic profiling and molecular imaging. PAH was induced by chronic hypoxia exposure plus treatment with SU5416, a vascular endothelial growth factor receptor inhibitor. Lung and right ventricle samples were analyzed by magnetic resonance spectroscopy. In vivo energy metabolism was studied by positron emission tomography. Our results show that metabolomic profiling of lung samples clearly identifies significant alterations in glycolytic pathways. We also confirmed an upregulation of glutamine metabolism and alterations in lipid metabolism. Furthermore, we identified alterations in glycine and choline metabolism in lung tissues. Metabolic reprograming was also confirmed in right ventricle samples. Lactate and alanine, endpoints of glycolytic oxidation, were found to have increased concentrations in mice with PAH. Glutamine and taurine concentrations were correlated to specific ventricle hypertrophy features. We demonstrated that most of the metabolic features that characterize human PAH were detected in a hypoxia plus SU5416 mouse model and it may become a valuable tool to test new targeting treatments of this severe disease.
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Affiliation(s)
- Jose L Izquierdo-Garcia
- CIC biomaGUNE, San Sebastian-Donostia, Spain.,CIBER de Enfermedades Respiratorias, Madrid, Spain.,Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
| | - Teresa Arias
- CIBER de Enfermedades Respiratorias, Madrid, Spain.,Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
| | - Yeny Rojas
- Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
| | - Victoria Garcia-Ruiz
- Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain.,Unidad de Gestion Clinica del Corazon, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | | | | | - Jesus Ruiz-Cabello
- CIC biomaGUNE, San Sebastian-Donostia, Spain.,CIBER de Enfermedades Respiratorias, Madrid, Spain.,IKERBASQUE, Basque Foundation for Science, Bilbao, Spain.,Universidad Complutense Madrid, Facultad de Farmacia, Departamento de Quimica en Ciencias Farmaceuticas, Madrid, Spain
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Metwaly S, Cote A, Donnelly SJ, Banoei MM, Mourad AI, Winston BW. Evolution of ARDS biomarkers: Will metabolomics be the answer? Am J Physiol Lung Cell Mol Physiol 2018; 315:L526-L534. [PMID: 29952222 PMCID: PMC7191388 DOI: 10.1152/ajplung.00074.2018] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
To date, there is no clinically agreed-upon diagnostic test for acute respiratory distress syndrome (ARDS): the condition is still diagnosed on the basis of a constellation of clinical findings, laboratory tests, and radiological images. Development of ARDS biomarkers has been in a state of continuous flux during the past four decades. To address ARDS heterogeneity, several studies have recently focused on subphenotyping the disease on the basis of observable clinical characteristics and associated blood biomarkers. However, the strong correlation between identified biomarkers and ARDS subphenotypes has yet to establish etiology; hence, there is a need for the adoption of other methodologies for studying ARDS. In this review, we will shed light on ARDS metabolomics research in the literature and discuss advances and major obstacles encountered in ARDS metabolomics research. Generally, the ARDS metabolomics studies focused on identification of differentiating metabolites for diagnosing ARDS, but they were performed to different standards in terms of sample size, selection of control cohort, type of specimens collected, and measuring technique utilized. Virtually none of these studies have been properly validated to identify true metabolomics biomarkers of ARDS. Though in their infancy, metabolomics studies exhibit promise to unfold the biological processes underlying ARDS and, in our opinion, have great potential for pushing forward our present understanding of ARDS.
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Affiliation(s)
- Sayed Metwaly
- Department of Critical Care Medicine, University of Calgary , Calgary, Alberta , Canada
| | - Andreanne Cote
- Department of Critical Care Medicine, University of Calgary , Calgary, Alberta , Canada
| | - Sarah J Donnelly
- Department of Critical Care Medicine, University of Calgary , Calgary, Alberta , Canada
| | - Mohammad M Banoei
- Department of Critical Care Medicine, University of Calgary , Calgary, Alberta , Canada
| | - Ahmed I Mourad
- Department of Critical Care Medicine, University of Calgary , Calgary, Alberta , Canada
| | - Brent W Winston
- Department of Critical Care Medicine, University of Calgary , Calgary, Alberta , Canada.,Departments of Medicine and Biochemistry and Molecular Biology, University of Calgary , Calgary, Alberta , Canada
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Xiong Z, Wang Y, Lang L, Ma S, Zhao L, Xiao W, Wang Y. Tissue metabolomic profiling to reveal the therapeutic mechanism of reduning injection on LPS-induced acute lung injury rats. RSC Adv 2018; 8:10023-10031. [PMID: 35540831 PMCID: PMC9078858 DOI: 10.1039/c7ra13123b] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 03/02/2018] [Indexed: 11/21/2022] Open
Abstract
Acute lung injury (ALI) is a severe respiratory disease. To date, no medical interventions have been proven effective in improving the outcome. Reduning injection (RDN) showed a potential effect in the therapy of ALI. However, seldom does research concern the holistic pharmacological mechanisms of RDN on ALI. A metabolomic strategy, based on two consecutive extractions of the lung tissue, has been developed to investigate therapeutic mechanisms of RDN on ALI model rat. The extraction procedure was an aqueous extraction with methanol-water followed by organic extraction with dichloromethane-methanol. According to the lipophilicity of extracts, aqueous extracts were analyzed on the T3 column and organic extracts on the C18 column. Partial least-squares discriminant analysis was utilized to identify differences in metabolic profiles of rats. A total of 14 potential biomarkers in lung tissue were identified, which mainly related to phospholipid metabolism, sphingolipid metabolism, nucleotide metabolism and energy metabolism. The combined analytical method provides complementary metabolomics information for exploring the action mechanism of RDN against ALI. And the obtained results indicate metabolomics is a promising tool for understanding the holism and synergism of traditional Chinese medicine.
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Affiliation(s)
- Zhili Xiong
- School of Pharmacy, Shenyang Pharmaceutical University 103 Wenhua Road Shenyang 110016 China +86-24-23986289 +86-24-23986290
| | - Yanmin Wang
- School of Pharmacy, Shenyang Pharmaceutical University 103 Wenhua Road Shenyang 110016 China +86-24-23986289 +86-24-23986290
| | - Lang Lang
- School of Pharmacy, Shenyang Pharmaceutical University 103 Wenhua Road Shenyang 110016 China +86-24-23986289 +86-24-23986290
| | - Shuping Ma
- School of Pharmacy, Shenyang Pharmaceutical University 103 Wenhua Road Shenyang 110016 China +86-24-23986289 +86-24-23986290
| | - Longshan Zhao
- School of Pharmacy, Shenyang Pharmaceutical University 103 Wenhua Road Shenyang 110016 China +86-24-23986289 +86-24-23986290
| | - Wei Xiao
- National Key Laboratory of Pharmaceutical New Technology for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd 58 Haichang South Road, Xinpu District Lianyungang 222001 China
| | - Yanjuan Wang
- School of Pharmacy, Shenyang Pharmaceutical University 103 Wenhua Road Shenyang 110016 China +86-24-23986289 +86-24-23986290
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Suryadevara V, Fu P, Ebenezer DL, Berdyshev E, Bronova IA, Huang LS, Harijith A, Natarajan V. Sphingolipids in Ventilator Induced Lung Injury: Role of Sphingosine-1-Phosphate Lyase. Int J Mol Sci 2018; 19:E114. [PMID: 29301259 PMCID: PMC5796063 DOI: 10.3390/ijms19010114] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 12/21/2017] [Accepted: 12/27/2017] [Indexed: 12/14/2022] Open
Abstract
Mechanical ventilation (MV) performed in respiratory failure patients to maintain lung function leads to ventilator-induced lung injury (VILI). This study investigates the role of sphingolipids and sphingolipid metabolizing enzymes in VILI using a rodent model of VILI and alveolar epithelial cells subjected to cyclic stretch (CS). MV (0 PEEP (Positive End Expiratory Pressure), 30 mL/kg, 4 h) in mice enhanced sphingosine-1-phosphate lyase (S1PL) expression, and ceramide levels, and decreased S1P levels in lung tissue, thereby leading to lung inflammation, injury and apoptosis. Accumulation of S1P in cells is a balance between its synthesis catalyzed by sphingosine kinase (SphK) 1 and 2 and catabolism mediated by S1P phosphatases and S1PL. Thus, the role of S1PL and SphK1 in VILI was investigated using Sgpl1+/- and Sphk1-/- mice. Partial genetic deletion of Sgpl1 protected mice against VILI, whereas deletion of SphK1 accentuated VILI in mice. Alveolar epithelial MLE-12 cells subjected to pathophysiological 18% cyclic stretch (CS) exhibited increased S1PL protein expression and dysregulation of sphingoid bases levels as compared to physiological 5% CS. Pre-treatment of MLE-12 cells with S1PL inhibitor, 4-deoxypyridoxine, attenuated 18% CS-induced barrier dysfunction, minimized cell apoptosis and cytokine secretion. These results suggest that inhibition of S1PL that increases S1P levels may offer protection against VILI.
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Affiliation(s)
- Vidyani Suryadevara
- Department of Bioengineering, University of Illinois at Chicago (UIC), Chicago, IL 60607, USA.
| | - Panfeng Fu
- Department of Pharmacology, University of Illinois at Chicago (UIC), Chicago, IL 60612, USA.
| | - David Lenin Ebenezer
- Department of Pharmacology, University of Illinois at Chicago (UIC), Chicago, IL 60612, USA.
| | - Evgeny Berdyshev
- Department of Pharmacology, Department of Medicine, National Jewish Health Center, Denver, CO 80206, USA.
| | - Irina A Bronova
- Department of Pharmacology, Department of Medicine, National Jewish Health Center, Denver, CO 80206, USA.
| | - Long Shuang Huang
- Department of Pharmacology, University of Illinois at Chicago (UIC), Chicago, IL 60612, USA.
| | - Anantha Harijith
- Department of Pediatrics, University of Illinois at Chicago (UIC), Chicago, IL 60612, USA.
| | - Viswanathan Natarajan
- Department of Pharmacology, University of Illinois at Chicago (UIC), Chicago, IL 60612, USA.
- Department of Medicine, University of Illinois at Chicago (UIC), Chicago, IL 60612, USA.
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Ferrarini A, Righetti L, Martínez MP, Fernández-López M, Mastrangelo A, Horcajada JP, Betbesé A, Esteban A, Ordóñez J, Gea J, Cabello JR, Pellati F, Lorente JA, Nin N, Rupérez FJ. Discriminant biomarkers of acute respiratory distress syndrome associated to H1N1 influenza identified by metabolomics HPLC-QTOF-MS/MS platform. Electrophoresis 2017; 38:2341-2348. [PMID: 28714069 DOI: 10.1002/elps.201700112] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 06/15/2017] [Accepted: 06/24/2017] [Indexed: 12/21/2022]
Abstract
Acute respiratory distress syndrome (ARDS) is a serious complication of influenza A (H1N1) virus infection. Its pathogenesis is unknown and biomarkers are lacking. Untargeted metabolomics allows the analysis of the whole metabolome in a biological compartment, identifying patterns associated with specific conditions. We hypothesized that LC-MS could help identify discriminant metabolites able to define the metabolic alterations occurring in patients with influenza A (H1N1) virus infection that developed ARDS. Serum samples from patients diagnosed with 2009 influenza A (H1N1) virus infection with (n = 25) or without (n = 32) ARDS were obtained on the day of hospital admission and analyzed by LC-MS/MS. Metabolite identification was determined by MS/MS analysis and analysis of standards. The specificity of the patterns identified was confirmed in patients without 2009 influenza A(H1N1) virus pneumonia (15 without and 17 with ARDS). Twenty-three candidate biomarkers were found to be significantly different between the two groups, including lysophospholipids and sphingolipids related to inflammation; bile acids, tryptophan metabolites, and thyroxine, related to the metabolism of the gut microflora. Confirmation results demonstrated the specificity of major alterations occurring in ARDS patients with influenza A (H1N1) virus infection.
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Affiliation(s)
- Alessia Ferrarini
- Centre for Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia, Universidad San Pablo CEU, Madrid, Spain
| | - Laura Righetti
- Centre for Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia, Universidad San Pablo CEU, Madrid, Spain.,Dipartimento di Scienze della Vita, Università degli Studi di Modena e Reggio Emilia, Modena, Italy
| | - Ma Paz Martínez
- Centre for Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia, Universidad San Pablo CEU, Madrid, Spain
| | | | - Annalaura Mastrangelo
- Centre for Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia, Universidad San Pablo CEU, Madrid, Spain
| | - Juan P Horcajada
- Hospital del Mar. IMIM. DCEXS, Universitat Pompeu Fabra, Barcelona, Spain
| | - Antoni Betbesé
- Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Andrés Esteban
- Hospital Universitario de Getafe, Madrid, Spain.,Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES, ISCiii), Madrid, Spain
| | - Jordi Ordóñez
- Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Joaquín Gea
- Hospital del Mar. IMIM. DCEXS, Universitat Pompeu Fabra, Barcelona, Spain.,Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES, ISCiii), Madrid, Spain
| | - Jesús Ruiz Cabello
- Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES, ISCiii), Madrid, Spain.,Departamento de Química Física II, Universidad Complutense de Madrid Facultad de Farmacia, Madrid, Spain
| | - Federica Pellati
- Dipartimento di Scienze della Vita, Università degli Studi di Modena e Reggio Emilia, Modena, Italy
| | - José A Lorente
- Hospital Universitario de Getafe, Madrid, Spain.,Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES, ISCiii), Madrid, Spain
| | - Nicolás Nin
- Hospital de Torrejón de Ardoz, Madrid, Spain.,Hospital Español Juan José Crottogini, Montevideo, Uruguay
| | - Francisco J Rupérez
- Centre for Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia, Universidad San Pablo CEU, Madrid, Spain
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13
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Musharraf SG, Iqbal A, Ansari SH, Parveen S, Khan IA, Siddiqui AJ. β-Thalassemia Patients Revealed a Significant Change of Untargeted Metabolites in Comparison to Healthy Individuals. Sci Rep 2017; 7:42249. [PMID: 28198811 PMCID: PMC5304209 DOI: 10.1038/srep42249] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 01/08/2017] [Indexed: 11/12/2022] Open
Abstract
β-Thalassemia is one of the most prevalent forms of congenital blood disorders characterized by reduced hemoglobin levels with severe complications, affecting all dimensions of life. The mechanisms underlying the phenotypic heterogeneity of β-thalassemia are still poorly understood. We aimed to work over metabolite biomarkers to improve mechanistic understanding of phenotypic heterogeneity and hence better management of disorder at different levels. Untargeted serum metabolites were analyzed after protein precipitation and SPE (solid phase extraction) from 100 β-thalassemia patients and 61 healthy controls using GC-MS. 40 metabolites were identified having a significance difference between these two groups at probability of 0.05 and fold change >1.5. Out of these 40 metabolites, 17 were up-regulated while 23 were down-regulated. PCA and PLS-DA model was also created that revealed a fine separation with a sensitivity of 70% and specificity of 100% on external validation of samples. Metabolic pathway analysis revealed alteration in multiple pathways including glycolysis, pyruvate, propanoate, glycerophospholipid, galactose, fatty acid, starch and sucrose metabolism along with fatty acid elongation in mitochondria, glycerolipid, glyoxylate and dicarboxylate metabolism pointing towards the shift of metabolism in β-thalassemia patients in comparison to healthy individuals.
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Affiliation(s)
- Syed Ghulam Musharraf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan.,Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
| | - Ayesha Iqbal
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
| | - Saqib Hussain Ansari
- Department of Pediatric Hematology &Molecular Medicine, National Institute of Blood Diseases and Bone Marrow Transplantation, Karachi-75300, Pakistan
| | - Sadia Parveen
- Department of Pediatric Hematology &Molecular Medicine, National Institute of Blood Diseases and Bone Marrow Transplantation, Karachi-75300, Pakistan
| | - Ishtiaq Ahmad Khan
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
| | - Amna Jabbar Siddiqui
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
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14
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Adamko DJ, Saude E, Bear M, Regush S, Robinson JL. Urine metabolomic profiling of children with respiratory tract infections in the emergency department: a pilot study. BMC Infect Dis 2016; 16:439. [PMID: 27549246 PMCID: PMC4994221 DOI: 10.1186/s12879-016-1709-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 07/12/2016] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Clinicians lack objective tests to help determine the severity of bronchiolitis or to distinguish a viral from bacterial causes of respiratory distress. We hypothesized that children with respiratory syncytial virus (RSV) infection would have a different metabolomic profile compared to those with bacterial infection or healthy controls, and this might also vary with bronchiolitis severity. METHODS Clinical information and urine-based metabolomic data were collected from healthy age-matched children (n = 37) and those admitted to hospital with a proven infection (RSV n = 55; Non-RSV viral n = 16; bacterial n = 24). Nuclear magnetic resonance (NMR) measured 86 metabolites per urine sample. Partial least squares discriminant analysis (PLS-DA) was performed to create models of separation. RESULTS Using a combination of metabolites, a strong PLS-DA model (R2 = 0.86, Q2 = 0.76) was created differentiating healthy children from those with RSV infection. This model had over 90 % accuracy in classifying blinded infants with similar illness severity. Two other models differentiated length of hospitalization and viral versus bacterial infection. CONCLUSION While the sample sizes remain small, this is the first report suggesting that metabolomic analysis of urine samples has the potential to become a diagnostic aid. Future studies with larger sample sizes are required to validate the utility of metabolomics in pediatric patients with respiratory distress.
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Affiliation(s)
- Darryl J Adamko
- The Department of Pediatrics, University of Alberta, T6G 1C9, Edmonton, Canada. .,University of Saskatchewan, S7N 0W8, Saskatoon, Saskatchewan, Canada.
| | - Erik Saude
- Department of Emergency Medicine, University of Calgary, T2N 2T9, Calgary, Alberta, Canada
| | - Matthew Bear
- University of Saskatchewan, S7N 0W8, Saskatoon, Saskatchewan, Canada
| | - Shana Regush
- The Department of Pediatrics, University of Alberta, T6G 1C9, Edmonton, Canada
| | - Joan L Robinson
- The Department of Pediatrics, University of Alberta, T6G 1C9, Edmonton, Canada
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15
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Stringer KA, McKay RT, Karnovsky A, Quémerais B, Lacy P. Metabolomics and Its Application to Acute Lung Diseases. Front Immunol 2016; 7:44. [PMID: 26973643 PMCID: PMC4770032 DOI: 10.3389/fimmu.2016.00044] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 01/29/2016] [Indexed: 12/27/2022] Open
Abstract
Metabolomics is a rapidly expanding field of systems biology that is gaining significant attention in many areas of biomedical research. Also known as metabonomics, it comprises the analysis of all small molecules or metabolites that are present within an organism or a specific compartment of the body. Metabolite detection and quantification provide a valuable addition to genomics and proteomics and give unique insights into metabolic changes that occur in tangent to alterations in gene and protein activity that are associated with disease. As a novel approach to understanding disease, metabolomics provides a "snapshot" in time of all metabolites present in a biological sample such as whole blood, plasma, serum, urine, and many other specimens that may be obtained from either patients or experimental models. In this article, we review the burgeoning field of metabolomics in its application to acute lung diseases, specifically pneumonia and acute respiratory disease syndrome (ARDS). We also discuss the potential applications of metabolomics for monitoring exposure to aerosolized environmental toxins. Recent reports have suggested that metabolomics analysis using nuclear magnetic resonance (NMR) and mass spectrometry (MS) approaches may provide clinicians with the opportunity to identify new biomarkers that may predict progression to more severe disease, such as sepsis, which kills many patients each year. In addition, metabolomics may provide more detailed phenotyping of patient heterogeneity, which is needed to achieve the goal of precision medicine. However, although several experimental and clinical metabolomics studies have been conducted assessing the application of the science to acute lung diseases, only incremental progress has been made. Specifically, little is known about the metabolic phenotypes of these illnesses. These data are needed to substantiate metabolomics biomarker credentials so that clinicians can employ them for clinical decision-making and investigators can use them to design clinical trials.
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Affiliation(s)
- Kathleen A. Stringer
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, MI, USA
| | - Ryan T. McKay
- Department of Chemistry, University of Alberta, Edmonton, AB, Canada
| | - Alla Karnovsky
- Department of Computational Medicine and Bioinformatics, School of Medicine, University of Michigan, Ann Arbor, MI, USA
| | | | - Paige Lacy
- Department of Medicine, University of Alberta, Edmonton, AB, Canada
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16
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Garcia-Simon M, Morales JM, Modesto-Alapont V, Gonzalez-Marrachelli V, Vento-Rehues R, Jorda-Miñana A, Blanquer-Olivas J, Monleon D. Prognosis Biomarkers of Severe Sepsis and Septic Shock by 1H NMR Urine Metabolomics in the Intensive Care Unit. PLoS One 2015; 10:e0140993. [PMID: 26565633 PMCID: PMC4643898 DOI: 10.1371/journal.pone.0140993] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 10/02/2015] [Indexed: 12/12/2022] Open
Abstract
Early diagnosis and patient stratification may improve sepsis outcome by a timely start of the proper specific treatment. We aimed to identify metabolomic biomarkers of sepsis in urine by 1H-NMR spectroscopy to assess the severity and to predict outcomes. Urine samples were collected from 64 patients with severe sepsis or septic shock in the ICU for a 1H NMR spectra acquisition. A supervised analysis was performed on the processed spectra, and a predictive model for prognosis (30-days mortality/survival) of sepsis was constructed using partial least-squares discriminant analysis (PLS-DA). In addition, we compared the prediction power of metabolomics data respect the Sequential Organ Failure Assessment (SOFA) score. Supervised multivariate analysis afforded a good predictive model to distinguish the patient groups and detect specific metabolic patterns. Negative prognosis patients presented higher values of ethanol, glucose and hippurate, and on the contrary, lower levels of methionine, glutamine, arginine and phenylalanine. These metabolites could be part of a composite biopattern of the human metabolic response to sepsis shock and its mortality in ICU patients. The internal cross-validation showed robustness of the metabolic predictive model obtained and a better predictive ability in comparison with SOFA values. Our results indicate that NMR metabolic profiling might be helpful for determining the metabolomic phenotype of worst-prognosis septic patients in an early stage. A predictive model for the evolution of septic patients using these metabolites was able to classify cases with more sensitivity and specificity than the well-established organ dysfunction score SOFA.
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Affiliation(s)
- Monica Garcia-Simon
- Department of Critical Care, Clinical University Hospital of Valencia, Valencia, Spain
| | - Jose M. Morales
- Central Unit of Research in Medicine, University of Valencia, Valencia, Spain
| | - Vicente Modesto-Alapont
- Department of Paediatric Critical Care, University and Polytechnic Hospital La Fe, Valencia, Spain
| | | | - Rosa Vento-Rehues
- Department of Critical Care, Clinical University Hospital of Valencia, Valencia, Spain
| | - Angela Jorda-Miñana
- Department of Critical Care, Clinical University Hospital of Valencia, Valencia, Spain
| | - Jose Blanquer-Olivas
- Department of Critical Care, Clinical University Hospital of Valencia, Valencia, Spain
| | - Daniel Monleon
- Clinical Hospital Research Foundation-INCLIVA, Valencia, Spain
- * E-mail:
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17
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Rojas Y, Naz S, Izquierdo JL, Nin N, Ferruelo A, García-Hierro P, Molina-Arana D, Herrero R, Martínez-Caro L, García A, de la Cal MA, Ruiz-Cabello JM, Barbas C, Lorente JA. 0852. Selective decontamination of the digestive tract modulates the metabolic profile in a ventilator-induced lung injury model. Intensive Care Med Exp 2014. [PMCID: PMC4797718 DOI: 10.1186/2197-425x-2-s1-p61] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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18
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Chacon-Cabrera A, Rojas Y, Martínez-Caro L, Vila-Ubach M, Nin N, Ferruelo A, Esteban A, Lorente JA, Barreiro E. Influence of mechanical ventilation and sepsis on redox balance in diaphragm, myocardium, limb muscles, and lungs. Transl Res 2014; 164:477-95. [PMID: 25168016 DOI: 10.1016/j.trsl.2014.07.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Revised: 07/08/2014] [Accepted: 07/09/2014] [Indexed: 11/16/2022]
Abstract
Mechanical ventilation (MV), using high tidal volumes (V(T)), causes lung (ventilator-induced lung injury [VILI]) and distant organ injury. Additionally, sepsis is characterized by increased oxidative stress. We tested whether MV is associated with enhanced oxidative stress in sepsis, the commonest underlying condition in clinical acute lung injury. Protein carbonylation and nitration, antioxidants, and inflammation (immunoblotting) were evaluated in diaphragm, gastrocnemius, soleus, myocardium, and lungs of nonseptic and septic (cecal ligation and puncture 24 hours before MV) rats undergoing MV (n = 7 per group) for 150 minutes using 3 different strategies (low V(T) [V(T) = 9 mL/kg], moderate V(T) [V(T) = 15 mL/kg], and high V(T) [V(T) = 25 mL/kg]) and in nonventilated control animals. Compared with nonventilated control animals, in septic and nonseptic rodents (1) diaphragms, limb muscles, and myocardium of high-V(T) rats exhibited a decrease in protein oxidation and nitration levels, (2) antioxidant levels followed a specific fiber-type distribution in slow- and fast-twitch muscles, (3) tumor necrosis factor α (TNF-α) levels were higher in respiratory and limb muscles, whereas no differences were observed in myocardium, and (4) in lungs, protein oxidation was increased, antioxidants were rather decreased, and TNF-α remained unmodified. In this model of VILI, oxidative stress does not occur in distant organs or skeletal muscles of rodents after several hours of MV with moderate-to-high V(T), whereas protein oxidation levels were increased in the lungs of the animals. Inflammatory events were moderately expressed in skeletal muscles and lungs of the MV rats. Concomitant sepsis did not strongly affect the MV-induced effects on muscles, myocardium, or lungs in the rodents.
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Affiliation(s)
- Alba Chacon-Cabrera
- Pulmonology Department-Muscle and Respiratory System Research Unit, Institut Municipal d'Investigació Mèdica (IMIM)-Hospital del Mar, Parc de Recerca Biomèdica de Barcelona (PRBB), Barcelona, Spain; Health and Experimental Sciences Department (CEXS), Universitat Pompeu Fabra, PRBB, Barcelona, Spain; Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Yeny Rojas
- Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Servicio de Medicina Intensiva, Fundación para la Investigación Biomédica, Hospital Universitario de Getafe, Getafe, Madrid, Spain
| | - Leticia Martínez-Caro
- Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Servicio de Medicina Intensiva, Fundación para la Investigación Biomédica, Hospital Universitario de Getafe, Getafe, Madrid, Spain
| | - Monica Vila-Ubach
- Pulmonology Department-Muscle and Respiratory System Research Unit, Institut Municipal d'Investigació Mèdica (IMIM)-Hospital del Mar, Parc de Recerca Biomèdica de Barcelona (PRBB), Barcelona, Spain; Health and Experimental Sciences Department (CEXS), Universitat Pompeu Fabra, PRBB, Barcelona, Spain; Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Nicolas Nin
- Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Servicio de Medicina Intensiva, Fundación para la Investigación Biomédica, Hospital Universitario de Getafe, Getafe, Madrid, Spain; Servicio de Medicina Intensiva, Hospital Universitario de Torrejón, Torrejón de Ardoz, Madrid, Spain
| | - Antonio Ferruelo
- Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Servicio de Medicina Intensiva, Fundación para la Investigación Biomédica, Hospital Universitario de Getafe, Getafe, Madrid, Spain
| | - Andrés Esteban
- Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Servicio de Medicina Intensiva, Fundación para la Investigación Biomédica, Hospital Universitario de Getafe, Getafe, Madrid, Spain
| | - José A Lorente
- Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Servicio de Medicina Intensiva, Fundación para la Investigación Biomédica, Hospital Universitario de Getafe, Getafe, Madrid, Spain; Universidad Europea de Madrid, Madrid, Spain
| | - Esther Barreiro
- Pulmonology Department-Muscle and Respiratory System Research Unit, Institut Municipal d'Investigació Mèdica (IMIM)-Hospital del Mar, Parc de Recerca Biomèdica de Barcelona (PRBB), Barcelona, Spain; Health and Experimental Sciences Department (CEXS), Universitat Pompeu Fabra, PRBB, Barcelona, Spain; Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.
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19
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Naz S, Vallejo M, García A, Barbas C. Method validation strategies involved in non-targeted metabolomics. J Chromatogr A 2014; 1353:99-105. [DOI: 10.1016/j.chroma.2014.04.071] [Citation(s) in RCA: 176] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2013] [Revised: 04/17/2014] [Accepted: 04/18/2014] [Indexed: 10/25/2022]
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