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Wei T, Wang X, Lang K, Song Y, Luo J, Gu Z, Yang D, Song Y. Peroxiredoxin 6 Protects Pulmonary Epithelial Cells From Cigarette-related Ferroptosis in Chronic Obstructive Pulmonary Disease. Inflammation 2024:10.1007/s10753-024-02077-4. [PMID: 38954261 DOI: 10.1007/s10753-024-02077-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 05/15/2024] [Accepted: 06/03/2024] [Indexed: 07/04/2024]
Abstract
Peroxiredoxin 6 (PRDX6) has a protective effect on pulmonary epithelial cells against cigarette smoke (CS)-induced ferroptosis. This study investigates the role of PRDX6 in the development of chronic obstructive pulmonary disease (COPD) and its possibility as a target. We observed that PRDX6 was downregulated in lung tissues of COPD patients and in CS-stimulated cells. The degradation of PRDX6 could be through the lysosomal pathway. PRDX6 deficiency exacerbated pulmonary inflammation and mucus hypersecretion in vivo. Overexpression of PRDX6 in Beas-2B cells ameliorated CS-induced cell death and inflammation, suggesting its protective role against CS-induced damage. Furthermore, PRDX6 deficiency promoted ferroptosis by adding the content of iron and reactive oxygen species, while iron chelation with deferoxamine mitigated CS-induced ferroptosis, cell death, and inflammatory infiltration both in vitro and in vivo. The critical role of PRDX6 in regulating ferroptosis suggests that targeting PRDX6 or iron metabolism may represent a promising strategy for COPD treatment.
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Affiliation(s)
- Tingting Wei
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, PR China
| | - Xiaocen Wang
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, PR China
| | - Ke Lang
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, PR China
| | - Yansha Song
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, PR China
| | - Jinlong Luo
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, PR China
| | - Zhaolin Gu
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, PR China
| | - Dong Yang
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, PR China.
- Shanghai Key Laboratory of Lung Inflammation and Injury, Shanghai, People's Republic of China.
| | - Yuanlin Song
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, PR China
- Shanghai Key Laboratory of Lung Inflammation and Injury, Shanghai, People's Republic of China
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Berber NK, Atlı S, Geçkil AA, Erdem M, Kıran TR, Otlu Ö, İn E. Diagnostic Value of Galectin-3 in Exacerbations of Chronic Obstructive Pulmonary Disease. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:529. [PMID: 38674175 PMCID: PMC11052179 DOI: 10.3390/medicina60040529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024]
Abstract
Background and Objectives: Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory disease characterized by acute exacerbations. Systemic inflammation and oxidative stress play an important role in the pathogenesis of COPD. Exacerbations in COPD reduce the quality of life and are associated with rapid disease progression. Galectin-3 is a beta-galactoside-binding lectin of approximately 30 kDa with pro-inflammatory and pro-fibrotic properties. This study aims to analyze the efficacy of serum galectin-3 in predicting exacerbations in COPD patients. Materials and Methods: Baseline demographic and clinical characteristics of all patients were recorded and blood samples were collected. A total of 58 consecutive COPD patients, including 28 patients (19 male and 9 female) with stable COPD and 30 patients (23 male and 7 female) with acute exacerbation of COPD (AECOPD), were included in the study. Results: Serum galectin-3 levels were significantly higher in the AECOPD group compared to the stable COPD group. A logistic regression analysis revealed that increased galectin-3 levels and disease duration were independent predictors of COPD exacerbation (OR = 5.322, 95% CI: 1.178-24.052, p = 0.03; and OR = 1.297, 95% CI: 1.028-1.635, p = 0.028; respectively). Conclusions: The results of our study demonstrated that Galectin-3 was a strong and independent predictor of exacerbations in COPD patients.
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Affiliation(s)
- Nurcan Kırıcı Berber
- Department of Chest Diseases, Malatya Turgut Özal University, Malatya 44210, Turkey;
| | - Siahmet Atlı
- Department of Chest Diseases, Van Training and Research Hospital, Van 65100, Turkey;
| | | | - Mehmet Erdem
- Department of Medical Biochemistry, Malatya Turgut Özal University, Malatya 44210, Turkey; (M.E.); (T.R.K.); (Ö.O.)
| | - Tuğba Raika Kıran
- Department of Medical Biochemistry, Malatya Turgut Özal University, Malatya 44210, Turkey; (M.E.); (T.R.K.); (Ö.O.)
| | - Önder Otlu
- Department of Medical Biochemistry, Malatya Turgut Özal University, Malatya 44210, Turkey; (M.E.); (T.R.K.); (Ö.O.)
| | - Erdal İn
- Department of Pulmonary Diseases, Faculty of Medicine, İzmir University of Economics, İzmir 35330, Turkey;
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3
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D’Amato M, Iadarola P, Viglio S. Proteomic Analysis of Human Sputum for the Diagnosis of Lung Disorders: Where Are We Today? Int J Mol Sci 2022; 23:ijms23105692. [PMID: 35628501 PMCID: PMC9144372 DOI: 10.3390/ijms23105692] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/13/2022] [Accepted: 05/18/2022] [Indexed: 02/07/2023] Open
Abstract
The identification of markers of inflammatory activity at the early stages of pulmonary diseases which share common characteristics that prevent their clear differentiation is of great significance to avoid misdiagnosis, and to understand the intrinsic molecular mechanism of the disorder. The combination of electrophoretic/chromatographic methods with mass spectrometry is currently a promising approach for the identification of candidate biomarkers of a disease. Since the fluid phase of sputum is a rich source of proteins which could provide an early diagnosis of specific lung disorders, it is frequently used in these studies. This report focuses on the state-of-the-art of the application, over the last ten years (2011-2021), of sputum proteomics in the investigation of severe lung disorders such as COPD; asthma; cystic fibrosis; lung cancer and those caused by COVID-19 infection. Analysis of the complete set of proteins found in sputum of patients affected by these disorders has allowed the identification of proteins whose levels change in response to the organism's condition. Understanding proteome dynamism may help in associating these proteins with alterations in the physiology or progression of diseases investigated.
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Affiliation(s)
- Maura D’Amato
- Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy; (M.D.); (S.V.)
| | - Paolo Iadarola
- Department of Biology and Biotechnologies “L. Spallanzani”, University of Pavia, 27100 Pavia, Italy
- Correspondence:
| | - Simona Viglio
- Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy; (M.D.); (S.V.)
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Kim SH, Ahn HS, Park JS, Yeom J, Yu J, Kim K, Oh YM. A Proteomics-Based Analysis of Blood Biomarkers for the Diagnosis of COPD Acute Exacerbation. Int J Chron Obstruct Pulmon Dis 2021; 16:1497-1508. [PMID: 34113087 PMCID: PMC8183188 DOI: 10.2147/copd.s308305] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 04/19/2021] [Indexed: 12/14/2022] Open
Abstract
Purpose The identification of blood biomarkers to diagnose acute exacerbation of chronic obstructive pulmonary disease (AECOPD) will have clinical utility. Here, we used a proteomics-based approach to identify biomarkers capable of identifying AECOPD. Patients and Methods This prospective, single-center pilot study enrolled 12 patients who came to Asan Medical Center (South Korea) via the outpatient clinic or emergency department with symptoms of AECOPD and were follow-up in the outpatient clinic during convalescence between 2015 and 2017. Paired blood samples collected from each patient during the treatment naïve AECOPD and convalescence stages were analyzed. A sequential window acquisition of all theoretical fragmentation spectra-mass spectrometry (SWATH-MS)-based proteome analysis was performed and a subset of the data were verified by ELISA. Results The SWATH-MS analysis identified 226 plasma proteins across all samples examined. The median coefficient of variation for triplicate technical replicates of each sample was 1.13 ± 1.38%, indicating high precision of the technique. Fold-change and paired t-test analyses revealed that 14 proteins were present at higher levels in the AECOPD samples than in the convalescence samples. A gene ontology analysis revealed that these proteins are involved in the acute-phase response. A total of 15 proteins were present at higher levels during the recovery (convalescence) stage than during the acute exacerbation phase, and gene ontology analysis revealed that these proteins are related to lipid metabolism and transport. Verification of the SWATH-MS data was performed using ELISAs for three proteins that were up-regulated in AECOPD, namely, LBP, ORM2, and SERPINA3. Among them, SERPINA3 (p = 0.005) was up-regulated significantly in AECOPD compared with the convalescence state. Conclusion Potential plasma biomarkers of AECOPD were discovered using the SWATH-MS proteomics method, and functional molecular associations were investigated. SERPINA3 could be a promising diagnostic biomarker for the early identification and tracking of AECOPD.
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Affiliation(s)
- Soo Han Kim
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, 49241, Korea
| | - Hee-Sung Ahn
- Asan Institute for Life Science, Asan Medical Center, Seoul, Korea
| | - Jin-Soo Park
- Asan Institute for Life Science, Asan Medical Center, Seoul, Korea
| | - Jeonghun Yeom
- Convergence Medicine Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea
| | - Jiyoung Yu
- Asan Institute for Life Science, Asan Medical Center, Seoul, Korea
| | - Kyunggon Kim
- Asan Institute for Life Science, Asan Medical Center, Seoul, Korea.,Convergence Medicine Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea.,Department of Biomedical Sciences, University of Ulsan College of Medicine, Seoul, Korea.,Clinical Proteomics Core Laboratory, Convergence Medicine Research Center, Asan Medical Center, Seoul, Korea.,Bio-Medical Institute of Technology, Asan Medical Center, Seoul, Korea
| | - Yeon-Mok Oh
- Department of Pulmonary and Critical Care Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
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Zhu Z, Zhang L, Lv J, Liu X, Wang X. Trans-omic profiling between clinical phenoms and lipidomes among patients with different subtypes of lung cancer. Clin Transl Med 2020; 10:e151. [PMID: 32898330 PMCID: PMC7438979 DOI: 10.1002/ctm2.151] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/26/2020] [Accepted: 07/28/2020] [Indexed: 12/12/2022] Open
Abstract
Lung cancer has high mortality, often accompanied with systemic metabolic disorders. The present study aimed at defining values of trans-nodules cross-clinical phenomic and lipidomic network layers in patients with adenocarcinoma (ADC), squamous cell carcinomas, or small cell lung cancer (SCLC). We measured plasma lipidomic profiles of lung cancer patients and found that altered lipid panels and concentrations varied among lung cancer subtypes, genders, ages, stages, metastatic status, nutritional status, and clinical phenome severity. It was shown that phosphatidylethanolamine elements (36:2, 18:0/18:2, and 18:1/18:1) were SCLC specific, whereas lysophosphatidylcholine (20:1 and 22:0 sn-position-1) and phosphatidylcholine (19:0/19:0 and 19:0/21:2) were ADC specific. There were statistically more lipids declined in male, <60 ages, late stage, metastasis, or body mass index < 22 . Clinical trans-omics analyses demonstrated that one phenome in lung cancer subtypes might be generated from multiple metabolic pathways and metabolites, whereas a metabolic pathway and metabolite could contribute to different phenomes among subtypes, although those needed to be furthermore confirmed by bigger studies including larger population of patients in multicenters. Thus, our data suggested that trans-omic profiles between clinical phenomes and lipidomes might have the value to uncover the heterogeneity of lipid metabolism among lung cancer subtypes and to screen out phenome-based lipid panels as subtype-specific biomarkers.
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Affiliation(s)
- Zhenhua Zhu
- Institute of Clinical Science, Zhongshan Hospital, Shanghai Medical CollegeFudan UniversityShanghaiChina
- Shanghai Institute of Respiratory Diseases, Zhongshan Hospital, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Linlin Zhang
- Institute of Clinical Science, Zhongshan Hospital, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Jiapei Lv
- Institute of Clinical Science, Zhongshan Hospital, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Xiaoxia Liu
- Institute of Clinical Science, Zhongshan Hospital, Shanghai Medical CollegeFudan UniversityShanghaiChina
| | - Xiangdong Wang
- Institute of Clinical Science, Zhongshan Hospital, Shanghai Medical CollegeFudan UniversityShanghaiChina
- Shanghai Institute of Respiratory Diseases, Zhongshan Hospital, Shanghai Medical CollegeFudan UniversityShanghaiChina
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Ivanova O, Richards LB, Vijverberg SJ, Neerincx AH, Sinha A, Sterk PJ, Maitland‐van der Zee AH. What did we learn from multiple omics studies in asthma? Allergy 2019; 74:2129-2145. [PMID: 31004501 DOI: 10.1111/all.13833] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 03/25/2019] [Accepted: 04/12/2019] [Indexed: 12/13/2022]
Abstract
More than a decade has passed since the finalization of the Human Genome Project. Omics technologies made a huge leap from trendy and very expensive to routinely executed and relatively cheap assays. Simultaneously, we understood that omics is not a panacea for every problem in the area of human health and personalized medicine. Whilst in some areas of research omics showed immediate results, in other fields, including asthma, it only allowed us to identify the incredibly complicated molecular processes. Along with their possibilities, omics technologies also bring many issues connected to sample collection, analyses and interpretation. It is often impossible to separate the intrinsic imperfection of omics from asthma heterogeneity. Still, many insights and directions from applied omics were acquired-presumable phenotypic clusters of patients, plausible biomarkers and potential pathways involved. Omics technologies develop rapidly, bringing improvements also to asthma research. These improvements, together with our growing understanding of asthma subphenotypes and underlying cellular processes, will likely play a role in asthma management strategies.
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Affiliation(s)
- Olga Ivanova
- Department of Respiratory Medicine, Amsterdam University Medical Centres (AUMC) University of Amsterdam Amsterdam the Netherlands
| | - Levi B. Richards
- Department of Respiratory Medicine, Amsterdam University Medical Centres (AUMC) University of Amsterdam Amsterdam the Netherlands
| | - Susanne J. Vijverberg
- Department of Respiratory Medicine, Amsterdam University Medical Centres (AUMC) University of Amsterdam Amsterdam the Netherlands
| | - Anne H. Neerincx
- Department of Respiratory Medicine, Amsterdam University Medical Centres (AUMC) University of Amsterdam Amsterdam the Netherlands
| | - Anirban Sinha
- Department of Respiratory Medicine, Amsterdam University Medical Centres (AUMC) University of Amsterdam Amsterdam the Netherlands
| | - Peter J. Sterk
- Department of Respiratory Medicine, Amsterdam University Medical Centres (AUMC) University of Amsterdam Amsterdam the Netherlands
| | - Anke H. Maitland‐van der Zee
- Department of Respiratory Medicine, Amsterdam University Medical Centres (AUMC) University of Amsterdam Amsterdam the Netherlands
- Department of Paediatric Pulmonology Amsterdam UMC/ Emma Children's Hospital Amsterdam the Netherlands
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Aydindogan E, Penque D, Zoidakis J. Systematic review on recent potential biomarkers of chronic obstructive pulmonary disease. Expert Rev Mol Diagn 2018; 19:37-45. [DOI: 10.1080/14737159.2018.1559054] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Eda Aydindogan
- Department of Biochemistry, Institute of Natural Sciences, Ege University, Izmir, Turkey
| | - Deborah Penque
- Laboratory of Proteomics, Human Genetics Department, Instituto Nacional de Saúde Dr Ricardo Jorge, Lisboa, Portugal
- ToxOmics- Centre of Toxicogenomics and Human Health, Universidade Nova de Lisboa, Lisboa, Portugal
| | - Jerome Zoidakis
- Department of Biotechnology, Biomedical Research Foundation, Academy of Athens, Athens, Greece
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Suryadinata RV. Pengaruh Radikal Bebas Terhadap Proses Inflamasi pada Penyakit Paru Obstruktif Kronis (PPOK). AMERTA NUTRITION 2018. [DOI: 10.20473/amnt.v2i4.2018.317-324] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background: Chronic Obstructive Pulmonary Disease is diseases caused by exposure to cigarette smoke. Cigarette smoke carries free radicals into the airways which can lead to acute exacerbations in patients.Objectives: explanation of inflammatory processes in the airways in patients with PPOK due to an increase in free radicals.Discusion: In the human body, free radicals are metabolic products from normal cells and function as one of the body's defense systems. Free radicals can be Reactive Oxygen Species (ROS) and Reactive Nitrogen Species (RNS), both of which can be obtained from the inside (endogenous) or from outside the body (exogenous). In the pathological, exposure to cigarette smoke causes an imbalance between the amount of free radicals produced in the body so that it can lead to oxidative stress.Conclusion: An increase in the number of free radicals will directly affect inflammatory mediators in the body. Increased free radicals will trigger the inflammatory process locally in the airways and systemically, so increasing the rate of exacerbations in COPD patients.ABSTRAKLatar Belakang : Penyakit PPOK ditimbulkan akibat paparan asap rokok yang terus menerus. Radikal bebas yang dibawa oleh asap rokok terhirup masuk kedalam saluran napas dapat menimbulkan eksaserbasi.Tujuan : Menjelaskan proses eksaserbasi yang dipengaruhi oleh proses inflamasi pada penderita PPOK akibat peningkatan radikal bebas.Ulasan : Pada tubuh manusia, radikal bebas merupakan produk hasil metabolisme dari sel normal. Pada keadaan normal, Radikal bebas berfungsi sebagai salah satu sistem pertahanan tubuh. Radikal bebas dapat berupa Reactive Oxygen Spesies (ROS) dan Reactive Nitrogen Spesies (RNS), keduanya dapat diperoleh melalui dari dalam (endogen) maupun dari luar tubuh (eksogen). Pada keadaan patologis akibat paparan asap rokok menimbulkan ketidakseimbangan antara jumlah radikal bebas yang dihasilkan dalam tubuh sehingga dapat mengakibatkan terjadinya stress oksidatif.Kesimpulan:Peningkatan jumlah radikal bebas secara langsung akan berpengaruh pada mediator inflamasi pada tubuh. Peningkatan radikal bebas akan memicu proses inflamasi secara lokal pada saluran napas dan sistemik sehingga meningkatkan angka kejadian eksaserbasi pada penderita PPOK.
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Shi L, Zhu B, Xu M, Wang X. Selection of AECOPD-specific immunomodulatory biomarkers by integrating genomics and proteomics with clinical informatics. Cell Biol Toxicol 2017; 34:109-123. [DOI: 10.1007/s10565-017-9405-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Accepted: 07/06/2017] [Indexed: 12/14/2022]
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Kawamatawong T, Apiwattanaporn A, Siricharoonwong W. Serum inflammatory biomarkers and clinical outcomes of COPD exacerbation caused by different pathogens. Int J Chron Obstruct Pulmon Dis 2017; 12:1625-1630. [PMID: 28615935 PMCID: PMC5459973 DOI: 10.2147/copd.s132132] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND AND OBJECTIVE COPD exacerbation is characterized by worsening of symptoms, warranting change in treatment. Systemic and airway inflammation play roles in the pathogenesis of COPD exacerbation. We hypothesized whether increased serum inflammatory biomarkers are associated with the clinical outcomes of COPD exacerbation caused by different infectious pathogens. METHODS COPD patients with exacerbation were recruited from a hospital emergency department during 2014-2015. Serum procalcitonin (PCT) and C-reactive protein (CRP) were measured. Dyspnea, eosinopenia, consolidation, acidemia, and atrial fibrillation (DECAF) score was calculated for predicting mortality. Multiplex polymerase chain reaction was carried out for respiratory viral assay from nasopharyngeal swabs, and sputum bacterial culture was also performed. Hospital mortality, invasive mechanical ventilation requirement, and length of hospital stay (LOS) were evaluated, and their associations with clinical characteristics, DECAF score, and serum biomarkers were examined. RESULTS A total of 62 COPD patients were enrolled. These patients were classified as Global Initiative for Obstructive Lung Disease (GOLD) stage 2, 3, and 4 in 12.9%, 6.4%, and 80.7% of cases, respectively. Isolated bacterial exacerbation was recovered in 30.6% of exacerbation episodes: Klebsiella pneumoniae was the most commonly identified bacteria. Viral pathogens and coinfections were noted in 9.6% and 16.1% of exacerbated patients, respectively. Influenza was the most commonly detected viral pathogen. Serum biomarkers and DECAF score for viruses, bacteria, coinfection, and noninfectious causes of exacerbations were similar. Neither DECAF score nor serum biomarkers were able to differentiate patients with and without mortality or requiring mechanical ventilation. Increased serum PCT was noted in patients with LOS ≥7 days when compared with those with LOS <7 days (0.38 ng/mL vs 0.1 ng/mL; P=0.035). CONCLUSION Increased serum PCT is associated with longer LOS in COPD exacerbation. However, CRP and DECAF score play limited roles in predicting clinical outcome and lack an association with causes of exacerbation.
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Affiliation(s)
| | - Apitch Apiwattanaporn
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Warisara Siricharoonwong
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
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Abd El-Kader SM, Al-Jiffri OH. Exercise alleviates depression related systemic inflammation in chronic obstructive pulmonary disease patients. Afr Health Sci 2016; 16:1078-1088. [PMID: 28479901 PMCID: PMC5398455 DOI: 10.4314/ahs.v16i4.25] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Depression is a highly prevalent co-morbidity in Chronic Obstructive Pulmonary Disease (COPD) which was shown to be associated with a worse course of disease, including reduced quality of life and increased symptoms burden, healthcare use, and even mortality. It has been speculated that systemic inflammation may play a role in the presence of depression. Currently, physical activity is an important lifestyle factor that has the potential to modify inflammatory cytokines and depression, however our understanding of how to use exercise effectively in COPD patients to alleviate depression related systemic inflammation is incomplete and has prompted our interest to identify the type and intensities of effective exercise. OBJECTIVE The aim of this study was to measure the changes in depression related systemic inflammation of aerobic exercise training in COPD patients in Jeddah area. MATERIAL AND METHODS Eighty patients with moderate severity of COPD participated in this study and were divided into two groups; the first group received aerobic exercise, whereas the second group received no exercise training for 12 weeks. RESULTS The mean values of tumor necrosis factor-alpha (TNF-α), interleukin-4 (IL-4), interleukin-6 (IL-6), C-reactive protein (CRP) and Beck Depression Inventory (BDI) scores were significantly decreased in in group (A) after treatments, but the changes in group (B) were not significant .Also, there were significant differences between mean levels of the investigated parameters in group (A) and group (B) at the end of the study. CONCLUSION Aerobic exercise is an effective treatment policy to improve depression related to systemic inflammation in patients with chronic obstructive pulmonary disease.
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Affiliation(s)
- Shehab M Abd El-Kader
- Department of Physical Therapy, Faculty of Applied Medical Sciences, King Abdulaziz University
| | - Osama H Al-Jiffri
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King AbdulazizUniversity
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12
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Wang DC, Wang X. Tomorrow's genome medicine in lung cancer. Semin Cancer Biol 2016; 42:39-43. [PMID: 27840277 DOI: 10.1016/j.semcancer.2016.11.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 11/08/2016] [Indexed: 02/03/2023]
Abstract
Tomorrow's genome medicine in lung cancer should focus more on the homogeneity and heterogeneity of lung cancer which play an important role in the development of drug resistance, genetic complexity, as well as confusion and difficulty of early diagnosis and therapy. Chromosome positioning and repositioning may contribute to the sensitivity of lung cancer cells to therapy, the heterogeneity associated with drug resistance, and the mechanism of lung carcinogenesis. The CCCTC-binding factor plays critical roles in genome topology and function, increased risk of carcinogenicity, and potential of lung cancer-specific mediations. Chromosome reposition in lung cancer can be regulated by CCCTC binding factor. Single-cell gene sequencing, as part of genome medicine, was paid special attention in lung cancer to understand mechanical phenotypes, single-cell biology, heterogeneity, and chromosome positioning and function of single lung cancer cells. We at first propose to develop an intelligent single-cell robot of human cells to integrate together systems information of molecules, genes, proteins, organelles, membranes, architectures, signals, and functions. It can be a powerful automatic system to assist clinicians in the decision-making, molecular understanding, risk analyzing, and prognosis predicting.
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Affiliation(s)
- Diane C Wang
- Zhongshan Hospital Institute of Clinical Science, Fudan University, Shanghai Institute of Clinical Bioinformatics, Shanghai, China
| | - Xiangdong Wang
- Zhongshan Hospital Institute of Clinical Science, Fudan University, Shanghai Institute of Clinical Bioinformatics, Shanghai, China.
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13
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Diao WQ, Shen N, Du YP, Liu BB, Sun XY, Xu M, He B. Fetuin-B (FETUB): a Plasma Biomarker Candidate Related to the Severity of Lung Function in COPD. Sci Rep 2016; 6:30045. [PMID: 27443820 PMCID: PMC4957096 DOI: 10.1038/srep30045] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 06/29/2016] [Indexed: 12/03/2022] Open
Abstract
Biomarkers for the progression of lung function in COPD are currently scarce. Plasma fetuin-B (FETUB) was identified by iTRAQ-based proteomics and was verified by ELISA in another group. Information regarding acute exacerbation (AE) was collected in a one-year follow-up programme. FETUB concentrations (1652 ± 427 ng/ml) were greater in COPD patients than in controls (1237 ± 77 ng/ml). The concentrations of FETUB in GOLD II (1762 ± 427 ng/ml), III (1650 ± 375 ng/ml) and IV (1800 ± 451 ng/ml) groups were greater than those in the controls (1257 ± 414 ng/ml) and the GOLD I (1345 ± 391 ng/ml) group. ROCs indicated that FETUB distinguished COPD patients from controls (AUC 0.747, 95% CI: 0.642–0.834) and also GOLD II, III and IV from GOLD I COPD patients (AUC: 0.770, 95% CI: 0.634–0.874). The combination of FETUB and fibrinogen performed better (AUC: 0.804, 95% CI: 0.705–0.881). FETUB also predicted the occurrence of AE (AUC: 0.707, 95% CI: 0.566–0.824) or frequent AE (AUC: 0.727, 95% CI: 0.587–0.840). FETUB concentrations were negatively correlated with FEV1%pred (r = −0.446, p = 0.000) and positively correlated with RV%pred (r = 0.317, p = 0.004), RV/TLC% (r = 0.360, p = 0.004), CT emphysema% (r = 0.322, p = 0.008) and grades of lung function (r = 0.437, p = 0.000). In conclusion, FETUB is likely to assist the diagnosis and management of COPD as a complement for other markers.
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Affiliation(s)
- Wen-Qi Diao
- Department of Respiratory Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Ning Shen
- Department of Respiratory Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Yi-Peng Du
- Department of Respiratory Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Bei-Bei Liu
- Department of Respiratory Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Xiao-Yan Sun
- Department of Respiratory Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Ming Xu
- Department of Cardiology, Institute of Vascular Medicine, Peking University Third Hospital, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Beijing 100191, China
| | - Bei He
- Department of Respiratory Medicine, Peking University Third Hospital, Beijing 100191, China
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14
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Ghosh N, Dutta M, Singh B, Banerjee R, Bhattacharyya P, Chaudhury K. Transcriptomics, proteomics and metabolomics driven biomarker discovery in COPD: an update. Expert Rev Mol Diagn 2016; 16:897-913. [PMID: 27267972 DOI: 10.1080/14737159.2016.1198258] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Diagnosis of chronic obstructive pulmonary disease (COPD), characterized by progressive irreversible airflow limitation, remains a challenge. Lack of sensitive diagnostic markers and alternative treatments have limited patients' survival rate. Herein, we provide for clinicians and scientists a comprehensive review on the various omics platforms used to investigate COPD. AREAS COVERED This review consists of articles from PubMed (2009-2016) as well as views of the contributing authors. The review highlights the need for COPD biomarker identification and also provides an update on promising candidate markers identified in various biological fluids using omics technologies. Expert commentary: The multi-omics approach holds promise for the development of robust early stage COPD diagnostic markers, screening of high-risk population, and also improved prognosis which could lead to personalized medicine in future. Various factors regulating an omics study including sample size, control selection, disease phenotyping, usage of complementary techniques and result replication in omics-based research are outlined.
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Affiliation(s)
- Nilanjana Ghosh
- a School of Medical Science and Technology , Indian Institute of Technology Kharagpur , Kharagpur , India
| | - Mainak Dutta
- a School of Medical Science and Technology , Indian Institute of Technology Kharagpur , Kharagpur , India
| | - Brajesh Singh
- a School of Medical Science and Technology , Indian Institute of Technology Kharagpur , Kharagpur , India
| | - Rintu Banerjee
- b Department of Agricultural & Food Engineering , Indian Institute of Technology Kharagpur , Kharagpur , India
| | | | - Koel Chaudhury
- a School of Medical Science and Technology , Indian Institute of Technology Kharagpur , Kharagpur , India
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15
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Abd El-Kader SM, Al-Jiffri OH, Al-Shreef FM. Plasma inflammatory biomarkers response to aerobic versus resisted exercise training for chronic obstructive pulmonary disease patients. Afr Health Sci 2016; 16:507-15. [PMID: 27605966 PMCID: PMC4994560 DOI: 10.4314/ahs.v16i2.19] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is a main risk for morbidity, associated with alterations in systemic inflammation. Recent studies proved that morbidity and mortality of COPD is related to systemic inflammation as it contributes to the pathogenesis of atherosclerosis and cardiovascular disease. However, increase of inflammatory cytokines adversely affects quality of life, alteration in ventilatory and skeletal muscles functions. Moreover, exercise training has many beneficial effects in correction of the adverse effects of COPD. OBJECTIVE This study aimed to compare the response of inflammatory cytokines of COPD to aerobic versus resisted exercises. MATERIALS AND METHODS One hundred COPD diseased patients participated in this study and were randomly included in two groups; the first group received aerobic exercise, whereas the second group received resisted exercise training for 12 weeks. RESULTS The mean values of TNF-α, Il-2, IL-4, IL-6 and CRP were significantly decreased in both groups. Also; there was a significant difference between both groups at the end of the study with more reduction in patients who received aerobic exercise training. CONCLUSION Aerobic exercise is more appropriate than resisted exercise training in modulating inflammatory cytokines level in patients with chronic obstructive pulmonary disease.
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Affiliation(s)
- Shehab M Abd El-Kader
- Department of Physical Therapy, Faculty of Applied Medical Sciences, King Abdulaziz University
| | - Osama H Al-Jiffri
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University
| | - Fadwa M Al-Shreef
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University
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16
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Disease-specific dynamic biomarkers selected by integrating inflammatory mediators with clinical informatics in ARDS patients with severe pneumonia. Cell Biol Toxicol 2016; 32:169-84. [PMID: 27095254 PMCID: PMC4882347 DOI: 10.1007/s10565-016-9322-4] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2016] [Accepted: 03/22/2016] [Indexed: 12/18/2022]
Abstract
Acute respiratory distress syndrome (ARDS) is a heterogeneous syndrome that occurs as a result of various risk factors, including either direct or indirect lung injury, and systemic inflammation triggered also by severe pneumonia (SP). SP-ARDS-associated morbidity and mortality remains high also due to the lack of disease-specific biomarkers. The present study aimed at identifying disease-specific biomarkers in SP or SP-ARDS by integrating proteomic profiles of inflammatory mediators with clinical informatics. Plasma was sampled from the healthy as controls or patients with SP infected with bacteria or infection-associated SP-ARDS on the day of admission, day 3, and day 7. About 15 or 52 cytokines showed significant difference between SP and SP-ARDS patients with controls or 13 between SP-ARDS with SP alone and controls, including bone morphogenetic protein-15 (BMP-15), chemokine (C-X-C motif) ligand 16 (CXCL16), chemokine (C-X-C motif) receptor 3 (CXCR3), interleukin-6 (IL-6), protein NOV homolog (NOV/CCN3), glypican 3, insulin-like growth factor binding protein 4 (IGFBP-4), IL-5, IL-5 R alpha, IL-22 BP, leptin, MIP-1d, and orexin B with a significant correlation with Digital Evaluation Score System (DESS) scores. ARDS patients with overexpressed IL-6, CXCL16, or IGFBP-4 had significantly longer hospital stay and higher incidence of secondary infection. We also found higher levels of those mediators were associated with poor survival rates in patients with lung cancer and involved in the process of the epithelial mesenchymal transition of alveolar epithelial cells. Our preliminary study suggested that integration of proteomic profiles with clinical informatics as part of clinical bioinformatics is important to validate and optimize disease-specific and disease-staged biomarkers.
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Terracciano R, Pelaia G, Preianò M, Savino R. Asthma and COPD proteomics: current approaches and future directions. Proteomics Clin Appl 2015; 9:203-20. [PMID: 25504544 DOI: 10.1002/prca.201400099] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 11/26/2014] [Accepted: 12/08/2014] [Indexed: 12/25/2022]
Abstract
Although asthma and chronic obstructive pulmonary disease COPD represent the two most common chronic respiratory diseases worldwide, the mechanisms underlying their pathobiology need to be further elucidated. Presently, differentiation of asthma and COPD are largely based on clinical and lung function parameters. However, the complexity of these multifactorial diseases may lead to misclassification and to inappropriate management strategies. Recently, tremendous progress in MS has extended the sensitivity, accuracy, and speed of analysis, enabling the identification of thousands of proteins per experiment. Beyond identification, MS has also greatly implemented quantitation issues allowing to assess qualitative-quantitative differences in protein profiles of different samples, in particular diseased versus normal. Herein, we provide a summary of recent proteomics-based investigations in the field of asthma/COPD, highlighting major issues related to sampling and processing procedures for proteomic analyses of specific airway and parenchymal specimens (induced sputum, exhaled breath condensate, epithelial lining fluid, bronchoalveolar and nasal lavage fluid), as well as blood-derived specimen (plasma and serum). Within such a context, together with current difficulties and limitations mainly due to lack of general standardization in preanalytical sampling procedure, our discussion will focus on the challenges and possible benefits of proteomic studies in phenotypic stratification of asthma and COPD.
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Affiliation(s)
- Rosa Terracciano
- Department of Health Sciences, "Magna Graecia" University of Catanzaro, Catanzaro, Italy
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18
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Franciosi L, Postma DS, van den Berge M, Govorukhina N, Horvatovich PL, Fusetti F, Poolman B, Lodewijk ME, Timens W, Bischoff R, ten Hacken NHT. Susceptibility to COPD: differential proteomic profiling after acute smoking. PLoS One 2014; 9:e102037. [PMID: 25036363 PMCID: PMC4103835 DOI: 10.1371/journal.pone.0102037] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2014] [Accepted: 06/13/2014] [Indexed: 12/18/2022] Open
Abstract
Cigarette smoking is the main risk factor for COPD (Chronic Obstructive Pulmonary Disease), yet only a subset of smokers develops COPD. Family members of patients with severe early-onset COPD have an increased risk to develop COPD and are therefore defined as “susceptible individuals”. Here we perform unbiased analyses of proteomic profiles to assess how “susceptible individuals” differ from age-matched “non-susceptible individuals” in response to cigarette smoking. Epithelial lining fluid (ELF) was collected at baseline and 24 hours after smoking 3 cigarettes in young individuals susceptible or non-susceptible to develop COPD and older subjects with established COPD. Controls at baseline were older healthy smoking and non-smoking individuals. Five samples per group were pooled and analysed by stable isotope labelling (iTRAQ) in duplicate. Six proteins were selected and validated by ELISA or immunohistochemistry. After smoking, 23 proteins increased or decreased in young susceptible individuals, 7 in young non-susceptible individuals, and 13 in COPD in the first experiment; 23 proteins increased or decreased in young susceptible individuals, 32 in young non-susceptible individuals, and 11 in COPD in the second experiment. SerpinB3 and Uteroglobin decreased after acute smoke exposure in young non-susceptible individuals exclusively, whereas Peroxiredoxin I, S100A9, S100A8, ALDH3A1 (Aldehyde dehydrogenase 3A1) decreased both in young susceptible and non-susceptible individuals, changes being significantly different between groups for Uteroglobin with iTRAQ and for Serpin B3 with iTRAQ and ELISA measures. Peroxiredoxin I, SerpinB3 and ALDH3A1 increased in COPD patients after smoking. We conclude that smoking induces a differential protein response in ELF of susceptible and non-susceptible young individuals, which differs from patients with established COPD. This is the first study applying unbiased proteomic profiling to unravel the underlying mechanisms that induce COPD. Our data suggest that SerpinB3 and Uteroglobin could be interesting proteins in understanding the processes leading to COPD.
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Affiliation(s)
- Lorenza Franciosi
- University of Groningen, Department of Pharmacy, Analytical Biochemistry, Groningen, The Netherlands
| | - Dirkje S. Postma
- University of Groningen, University Medical Centre Groningen, Department of Pulmonary Diseases, Groningen Research Institute of Asthma and COPD (GRIAC), Groningen, The Netherlands
| | - Maarten van den Berge
- University of Groningen, University Medical Centre Groningen, Department of Pulmonary Diseases, Groningen Research Institute of Asthma and COPD (GRIAC), Groningen, The Netherlands
| | - Natalia Govorukhina
- University of Groningen, Department of Pharmacy, Analytical Biochemistry, Groningen, The Netherlands
| | - Peter L. Horvatovich
- University of Groningen, Department of Pharmacy, Analytical Biochemistry, Groningen, The Netherlands
| | - Fabrizia Fusetti
- Department of Biochemistry, University of Groningen, Netherlands Proteomics Centre, Groningen, The Netherlands
| | - Bert Poolman
- Department of Biochemistry, University of Groningen, Netherlands Proteomics Centre, Groningen, The Netherlands
| | - Monique E. Lodewijk
- University of Groningen, University Medical Centre Groningen, Department of Pathology, Groningen Research Institute of Asthma and COPD (GRIAC), Groningen, The Netherlands
| | - Wim Timens
- University of Groningen, University Medical Centre Groningen, Department of Pathology, Groningen Research Institute of Asthma and COPD (GRIAC), Groningen, The Netherlands
| | - Rainer Bischoff
- University of Groningen, Department of Pharmacy, Analytical Biochemistry, Groningen, The Netherlands
| | - Nick H. T. ten Hacken
- University of Groningen, University Medical Centre Groningen, Department of Pulmonary Diseases, Groningen Research Institute of Asthma and COPD (GRIAC), Groningen, The Netherlands
- * E-mail:
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19
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Application of proteomics and peptidomics to COPD. BIOMED RESEARCH INTERNATIONAL 2014; 2014:764581. [PMID: 24895607 PMCID: PMC4026877 DOI: 10.1155/2014/764581] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2014] [Accepted: 03/24/2014] [Indexed: 11/24/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a complex disorder involving both airways and lung parenchyma, usually associated with progressive and poorly reversible airflow limitation. In order to better characterize the phenotypic heterogeneity and the prognosis of patients with COPD, there is currently an urgent need for discovery and validation of reliable disease biomarkers. Within this context, proteomic and peptidomic techniques are emerging as very valuable tools that can be applied to both systemic and pulmonary samples, including peripheral blood, induced sputum, exhaled breath condensate, bronchoalveolar lavage fluid, and lung tissues. Identification of COPD biomarkers by means of proteomic and peptidomic approaches can thus also lead to discovery of new molecular targets potentially useful to improve and personalize the therapeutic management of this widespread respiratory disease.
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20
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Sundar IK, Nevid MZ, Friedman AE, Rahman I. Cigarette smoke induces distinct histone modifications in lung cells: implications for the pathogenesis of COPD and lung cancer. J Proteome Res 2014; 13:982-96. [PMID: 24283195 PMCID: PMC3975679 DOI: 10.1021/pr400998n] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Cigarette smoke (CS)-mediated oxidative stress induces several signaling cascades, including kinases, which results in chromatin modifications (histone acetylation/deacetylation and histone methylation/demethylation). We have previously reported that CS induces chromatin remodeling in pro-inflammatory gene promoters; however, the underlying site-specific histone marks formed in histones H3 and H4 during CS exposure in lungs in vivo and in lung cells in vitro, which can either drive gene expression or repression, are not known. We hypothesize that CS exposure in mouse and human bronchial epithelial cells (H292) can cause site-specific posttranslational histone modifications (PTMs) that may play an important role in the pathogenesis of CS-induced chronic lung diseases. We used a bottom-up mass spectrometry approach to identify some potentially novel histone marks, including acetylation, monomethylation, and dimethylation, in specific lysine and arginine residues of histones H3 and H4 in mouse lungs and H292 cells. We found that CS-induced distinct posttranslational histone modification patterns in histone H3 and histone H4 in lung cells, which may be considered as usable biomarkers for CS-induced chronic lung diseases. These identified histone marks (histone H3 and histone H4) may play an important role in the epigenetic state during the pathogenesis of smoking-induced chronic lung diseases, such as chronic obstructive pulmonary disease and lung cancer.
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Affiliation(s)
- Isaac K. Sundar
- Department of Lung Biology and Disease Program, University of Rochester Medical Center, Rochester NY
| | | | - Alan E. Friedman
- Alan E. Friedman Ph.D., Department of Environmental Medicine, University of Rochester Medical Center, Box 611, 601 Elmwood Avenue, Rochester 14642, NY, USA., Tel: 1-585-273-4066; Fax: 1-585-276-0190;
| | - Irfan Rahman
- Department of Lung Biology and Disease Program, University of Rochester Medical Center, Rochester NY
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21
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Viglio S, Stolk J, Iadarola P, Giuliano S, Luisetti M, Salvini R, Fumagalli M, Bardoni A. Respiratory Proteomics Today: Are Technological Advances for the Identification of Biomarker Signatures Catching up with Their Promise? A Critical Review of the Literature in the Decade 2004-2013. Proteomes 2014; 2:18-52. [PMID: 28250368 PMCID: PMC5302730 DOI: 10.3390/proteomes2010018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Revised: 01/08/2014] [Accepted: 01/10/2014] [Indexed: 01/14/2023] Open
Abstract
To improve the knowledge on a variety of severe disorders, research has moved from the analysis of individual proteins to the investigation of all proteins expressed by a tissue/organism. This global proteomic approach could prove very useful: (i) for investigating the biochemical pathways involved in disease; (ii) for generating hypotheses; or (iii) as a tool for the identification of proteins differentially expressed in response to the disease state. Proteomics has not been used yet in the field of respiratory research as extensively as in other fields, only a few reproducible and clinically applicable molecular markers, which can assist in diagnosis, having been currently identified. The continuous advances in both instrumentation and methodology, which enable sensitive and quantitative proteomic analyses in much smaller amounts of biological material than before, will hopefully promote the identification of new candidate biomarkers in this area. The aim of this report is to critically review the application over the decade 2004-2013 of very sophisticated technologies to the study of respiratory disorders. The observed changes in protein expression profiles from tissues/fluids of patients affected by pulmonary disorders opens the route for the identification of novel pathological mediators of these disorders.
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Affiliation(s)
- Simona Viglio
- Department of Molecular Medicine, Biochemistry Unit, University of Pavia, Via Taramelli 3/B, Pavia 27100, Italy.
| | - Jan Stolk
- Department of Pulmonology, Leiden University Medical Center, Leiden 2333, The Netherlands.
| | - Paolo Iadarola
- Department of Biology and Biotechnologies, Biochemistry Unit, University of Pavia, Via Taramelli 3/B, Pavia 27100, Italy.
| | - Serena Giuliano
- Department of Molecular Medicine, Biochemistry Unit, University of Pavia, Via Taramelli 3/B, Pavia 27100, Italy.
- Faculty of Science "Parc Valrose", University of Nice "Sophia Antipolis", FRE 3472 CNRS, LP2M Nice, France.
| | - Maurizio Luisetti
- Department of Molecular Medicine, Division of Pneumology, University of Pavia & IRCCS Policlinico San Matteo, Via Taramelli 5, Pavia 27100, Italy.
| | - Roberta Salvini
- Department of Molecular Medicine, Biochemistry Unit, University of Pavia, Via Taramelli 3/B, Pavia 27100, Italy.
| | - Marco Fumagalli
- Department of Biology and Biotechnologies, Biochemistry Unit, University of Pavia, Via Taramelli 3/B, Pavia 27100, Italy.
| | - Anna Bardoni
- Department of Molecular Medicine, Biochemistry Unit, University of Pavia, Via Taramelli 3/B, Pavia 27100, Italy.
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22
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Merali S, Barrero CA, Bowler RP, Chen DE, Criner G, Braverman A, Litwin S, Yeung A, Kelsen SG. Analysis of the plasma proteome in COPD: Novel low abundance proteins reflect the severity of lung remodeling. COPD 2013; 11:177-89. [PMID: 24111704 DOI: 10.3109/15412555.2013.831063] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The search for COPD biomarkers has largely employed a targeted approach that focuses on plasma proteins involved in the systemic inflammatory response and in lung injury and repair. This proof of concept study was designed to test the idea that an open, unbiased, in-depth proteomics approach could identify novel, low abundance plasma proteins i.e., ng/mL concentration, which could serve as potential biomarkers. Differentially expressed proteins were identified in a discovery group with severe COPD (FEV1 <45% predicted; n = 10). Subjects with normal lung function matched for age, sex, ethnicity and smoking history served as controls (n = 10). Pooled plasma from each group was exhaustively immunodepleted of abundant proteins, d separated by 1-D gel electrophoresis and extensively fractionated prior to LC-tandem mass spectroscopy (GeLC-MS). Thirty one differentially expressed proteins were identified in the discovery group including markers of lung defense against oxidant stress, alveolar macrophage activation, and lung tissue injury and repair. Four of the 31 proteins (i.e., GRP78, soluble CD163, IL1AP and MSPT9) were measured in a separate verification group of 80 subjects with varying COPD severity by immunoassay. All 4 were significantly altered in COPD and 2 (GRP78 and soluble CD163) correlated with both FEV1 and the extent of emphysema. In-depth, plasma proteomic analysis identified a group of novel, differentially expressed, low abundance proteins that reflect known pathogenic mechanisms and the severity of lung remodeling in COPD. These proteins may also prove useful as COPD biomarkers.
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Affiliation(s)
- Salim Merali
- 1Department of Biochemistry, Temple University School of Medicine , Philadelphia, PA , USA
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23
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Lee TH, Jang AS, Park JS, Kim TH, Choi YS, Shin HR, Park SW, Uh ST, Choi JS, Kim YH, Kim Y, Kim S, Chung IY, Jeong SH, Park CS. Elevation of S100 calcium binding protein A9 in sputum of neutrophilic inflammation in severe uncontrolled asthma. Ann Allergy Asthma Immunol 2013; 111:268-275.e1. [DOI: 10.1016/j.anai.2013.06.028] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Revised: 06/20/2013] [Accepted: 06/23/2013] [Indexed: 11/16/2022]
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24
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Franciosi L, Govorukhina N, Fusetti F, Poolman B, Lodewijk ME, Timens W, Postma D, ten Hacken N, Bischoff R. Proteomic analysis of human epithelial lining fluid by microfluidics-based nanoLC-MS/MS: A feasibility study. Electrophoresis 2013; 34:2683-94. [DOI: 10.1002/elps.201300020] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Revised: 03/28/2013] [Accepted: 04/02/2013] [Indexed: 01/03/2023]
Affiliation(s)
- Lorenza Franciosi
- Department of Pharmacy, Analytical Biochemistry; University of Groningen and Netherlands Proteomics Center; Groningen; The Netherlands
| | - Natalia Govorukhina
- Department of Pharmacy, Analytical Biochemistry; University of Groningen and Netherlands Proteomics Center; Groningen; The Netherlands
| | - Fabrizia Fusetti
- Department of Biochemistry; University of Groningen and Netherlands Proteomics Center; Groningen; The Netherlands
| | - Bert Poolman
- Department of Biochemistry; University of Groningen and Netherlands Proteomics Center; Groningen; The Netherlands
| | - Monique E. Lodewijk
- Department of Pathology; University Medical Center Groningen, University of Groningen; Groningen; The Netherlands
| | - Wim Timens
- Department of Pathology; University Medical Center Groningen, University of Groningen; Groningen; The Netherlands
| | - Dirkje Postma
- Department of Pulmonary Diseases; University Medical Center Groningen; University of Groningen; Groningen; The Netherlands
| | - Nick ten Hacken
- Department of Pulmonary Diseases; University Medical Center Groningen; University of Groningen; Groningen; The Netherlands
| | - Rainer Bischoff
- Department of Pharmacy, Analytical Biochemistry; University of Groningen and Netherlands Proteomics Center; Groningen; The Netherlands
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25
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Ghafouri B, Persson HL, Tagesson C. Intriguing bronchoalveolar lavage proteome in a case of pulmonary langerhans cell histiocytosis. AMERICAN JOURNAL OF CASE REPORTS 2013; 14:129-33. [PMID: 23875058 PMCID: PMC3715369 DOI: 10.12659/ajcr.889037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2013] [Accepted: 04/03/2013] [Indexed: 02/03/2023]
Abstract
Background: Pulmonary Langerhans cell histiocytosis (PLCH) is a rare interstitial lung disease associated with tobacco smoke exposure. New insights into its pathogenesis and how it differs from that of chronic obstructive pulmonary disease (COPD) may be provided by proteomic studies on bronchoalveolar lavage fluid (BALF). Case Report: We present the BALF proteome in a biopsy-proven case of PLCH and compare it with typical proteomes of COPD and of the healthy lung. The BALF proteins were separated by two-dimensional gel electrophoresis (2-DE) and the protein patterns were analyzed with a computerized 2-DE imaging system. As compared to the healthy subject and the COPD case, the PLCH case showed a strikingly different 2-DE pattern. There was much more IgG (heavy chain) and orosomucoid, and less α1-antitrypsin, surfactant protein-A, haptoglobin, cystatin-S, Clara cell protein 10, transthyretin and gelsolin. Moreover, no apolipoprotein-A1, pro-apolipoprotein-A1, amyloid P, calgranulin A, or calgranulin B was detected at all. Conclusions: This case of PLCH presents with an extreme BALF proteome lacking significant amounts of protective and anti-inflammatory proteins. Thus, the intriguing BALF proteome opens up new lines of research into the pathophysiology of PLCH and how its pathogenesis differs from that in COPD.
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Affiliation(s)
- Bijar Ghafouri
- Rehabilitation Medicine, Department of Medical and Health Sciences (IMH), Faculty of Health Sciences, Linköping University, Pain- and Rehabilitation Centre, County Council of Östergötland, Linköping, Sweden ; Occupational and Environmental Medicine, Department of Clinical and Experimental Medicine (IKE), Faculty of Health Sciences, Linköping University, Centre of Occupational and Environmental Medicine, County Council of Östergotland, Linkoping, Sweden
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26
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Kohler M, Sandberg A, Kjellqvist S, Thomas A, Karimi R, Nyrén S, Eklund A, Thevis M, Sköld CM, Wheelock ÅM. Gender differences in the bronchoalveolar lavage cell proteome of patients with chronic obstructive pulmonary disease. J Allergy Clin Immunol 2013; 131:743-51. [DOI: 10.1016/j.jaci.2012.09.024] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2012] [Revised: 08/20/2012] [Accepted: 09/24/2012] [Indexed: 11/25/2022]
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Chen H, Song Z, Qian M, Bai C, Wang X. Selection of disease-specific biomarkers by integrating inflammatory mediators with clinical informatics in AECOPD patients: a preliminary study. J Cell Mol Med 2012; 16:1286-97. [PMID: 21883889 PMCID: PMC3823081 DOI: 10.1111/j.1582-4934.2011.01416.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Systemic inflammation is a major factor influencing the outcome and quality of patient with chronic obstructive pulmonary disease (COPD) and acute exacerbations (AECOPD). Because of the inflammatory complexity, a great challenge is still confronted to optimize the identification and validation of disease-specific biomarkers. This study aimed at developing a new protocol of specific biomarker evaluation by integrating proteomic profiles of inflammatory mediators with clinical informatics in AECOPD patients, understand better their function and signal networks. Plasma samples were collected from healthy non-smokers or patients with stable COPD (sCOPD) or AECOPD on days 1 and 3 of the admission and discharging day (day 7–10). Forty chemokines were measured using a chemokine multiplex antibody array. Clinical informatics was achieved by a Digital Evaluation Score System (DESS) for assessing severity of patients. Chemokine data was compared among different groups and its correlation with DESS scores was performed by SPSS software. Of 40 chemokines, 30 showed significant difference between sCOPD patients and healthy controls, 16 between AECOPD patients and controls and 13 between AECOPD patients and both sCOPD and controls, including BTC, IL-9, IL-18Bpa, CCL22,CCL23, CCL25, CCL28, CTACK, LIGHT, MSPa, MCP-3, MCP-4 and OPN. Of them, some had significant correlation with DESS scores. There is a disease-specific profile of inflammatory mediators in COPD and AECOPD patients which may have a potential diagnostics together with clinical informatics of patients. Our preliminary study suggested that integration of proteomics with clinical informatics can be a new way to validate and optimize disease-special biomarkers.
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Affiliation(s)
- Hong Chen
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
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Characterization of the phosphoproteome in human bronchoalveolar lavage fluid. INTERNATIONAL JOURNAL OF PROTEOMICS 2012; 2012:460261. [PMID: 22997577 PMCID: PMC3446654 DOI: 10.1155/2012/460261] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Revised: 06/28/2012] [Accepted: 07/01/2012] [Indexed: 02/04/2023]
Abstract
Global-scale examination of protein phosphorylation in human biological fluids by phosphoproteomics approaches is an emerging area of research with potential for significant contributions towards discovery of novel biomarkers. In this pilot work, we analyzed the phosphoproteome in human bronchoalveolar lavage fluid (BAL) from nondiseased subjects. The main objectives were to assess the feasibility to probe phosphorylated proteins in human BAL and to obtain the initial catalog of BAL phosphoproteins, including protein identities and exact description of their phosphorylation sites. We used a gel-free bioanalytical workflow that included whole-proteome digestion of depleted BAL proteins, enrichment of phosphopeptides by immobilized metal ion affinity chromatography (IMAC), LC-MS/MS analyses with a linear ion trap mass spectrometer, and searches of a protein sequence database to generate a panel of BAL phosphoproteins and their sites of phosphorylation. Based on sequence-diagnostic MS/MS fragmentation patterns, we identified a collection of 36 phosphopeptides that contained 26 different phosphorylation sites. These phosphopeptides mapped to 21 phosphoproteins including, for example, vimentin, plastin-2, ferritin heavy chain, kininogen-1, and others. The characterized phosphoproteins have diverse characteristics in terms of cellular origin and biological function. To the best of our knowledge, results of this study represent the first description of the human BAL phosphoproteome.
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Gaudieri S, Tulic MK, Lucas A, Lucas M. IFN-λ and IgE-mediated allergic disease: a potential future role? Biomark Med 2012; 6:151-7. [PMID: 22448789 DOI: 10.2217/bmm.12.12] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Reduced early microbial exposure has become a leading candidate to explain the rise in allergic disease, and research has focused on studying the interaction between the developing immune system and the microbial environment. However, despite intense interest, the pathways that lead to dysregulation of the immune system in allergic disease are still poorly understood. The newly described type III IFN-λ molecules were initially shown to exhibit antiviral activity, but these molecules are also likely to have an important role to play in the immune-epithelial interface, given their immunomodulatory functions and restricted receptor expression to immune and epithelial cells. Previous studies on the role of IFN-λ in allergic disease have been limited to allergic asthma. More recently, a genetic variation flanking IL28B encoding IFN-λ3 has been associated with allergic disease. Here, we examine this family and suggest how IFN-λ may be an important player in allergic disease.
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Affiliation(s)
- Silvana Gaudieri
- School of Paediatrics & Child Health, University of Western Australia, Perth, Australia.
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Chen H, Wang Y, Bai C, Wang X. Alterations of plasma inflammatory biomarkers in the healthy and chronic obstructive pulmonary disease patients with or without acute exacerbation. J Proteomics 2012; 75:2835-43. [DOI: 10.1016/j.jprot.2012.01.027] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2011] [Revised: 01/13/2012] [Accepted: 01/23/2012] [Indexed: 10/14/2022]
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31
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Kosanam H, Sato M, Batruch I, Smith C, Keshavjee S, Liu M, Diamandis EP. Differential proteomic analysis of bronchoalveolar lavage fluid from lung transplant patients with and without chronic graft dysfunction. Clin Biochem 2012; 45:223-30. [DOI: 10.1016/j.clinbiochem.2011.11.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2011] [Revised: 11/09/2011] [Accepted: 11/28/2011] [Indexed: 10/14/2022]
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32
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Takagaki Y, Yamagishi H, Matsuoka R. Factors Involved in Signal Transduction During Vertebrate Myogenesis. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2012; 296:187-272. [DOI: 10.1016/b978-0-12-394307-1.00004-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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33
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Chen H, Wang X. Significance of bioinformatics in research of chronic obstructive pulmonary disease. J Clin Bioinforma 2011; 1:35. [PMID: 22185624 PMCID: PMC3285039 DOI: 10.1186/2043-9113-1-35] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2010] [Accepted: 12/20/2011] [Indexed: 01/06/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is an inflammatory disease characterized by the progressive deterioration of pulmonary function and increasing airway obstruction, with high morality all over the world. The advent of high-throughput omics techniques provided an opportunity to gain insights into disease pathogenesis and process which contribute to the heterogeneity, and find target-specific and disease-specific therapies. As an interdispline, bioinformatics supplied vital information on integrative understanding of COPD. This review focused on application of bioinformatics in COPD study, including biomarkers searching and systems biology. We also presented the requirements and challenges in implementing bioinformatics to COPD research and interpreted these results as clinical physicians.
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Affiliation(s)
- Hong Chen
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, China.
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34
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Terracciano R, Preianò M, Palladino GP, Carpagnano GE, Barbaro MPF, Pelaia G, Savino R, Maselli R. Peptidome profiling of induced sputum by mesoporous silica beads and MALDI-TOF MS for non-invasive biomarker discovery of chronic inflammatory lung diseases. Proteomics 2011; 11:3402-14. [PMID: 21751363 DOI: 10.1002/pmic.201000828] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Induced sputum is recognized as being of increasing importance for the diagnosis and monitoring of chronic inflammatory lung diseases. The main purpose of this study is to provide a valid approach to better fractionate and characterize the still under-estimated low-molecular weight proteome of induced sputum by using mesoporous silica beads (MSBs) SPE coupled to MALDI-TOF MS. Sputum peptides were captured from both derivatized and non-derivatized MSBs and then profiled by MALDI-TOF MS. Depending on the chemical groups present on the mesoporous surface, complex peptide mixtures were extracted from induced sputum and converted into reproducible MALDI profiles. The number of peaks detected as a function of S/N was evaluated for each mesoporous surface. More than 400 peaks with an S/N>5 were obtained in comparison to 200 peaks detected without MSBs. Additionally, as a proof-of-principle, we investigated the ability of this platform to discriminate between the "sputome" of patients with asthma and chronic obstructive pulmonary disease, and between these groups and those of healthy control subjects. Six m/z peaks emerged as potential diagnostic peptidic patterns able to differentiate these inflammatory airway diseases in the sputome range. Human α-defensins (human neutrophil peptide (HNP)1, HNP2, HNP3) and three C-terminal amidated peptides, one of which is phosphorylated on serine, were identified by MALDI-TOF/TOF MS. These findings may contribute to defining a high-throughput screening MS-based platform for monitoring key peptidic-biomarkers for inflammatory and chronic respiratory diseases in induced sputum samples.
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Affiliation(s)
- Rosa Terracciano
- Department of Experimental and Clinical Medicine, University Magna Grxcia, Catanzaro, Italy.
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35
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O'Neil SE, Lundbäck B, Lötvall J. Proteomics in asthma and COPD phenotypes and endotypes for biomarker discovery and improved understanding of disease entities. J Proteomics 2011; 75:192-201. [PMID: 22037230 DOI: 10.1016/j.jprot.2011.10.008] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2011] [Revised: 10/10/2011] [Accepted: 10/12/2011] [Indexed: 11/17/2022]
Abstract
The application of proteomics to respiratory diseases, such as asthma and COPD, has been limited compared to other fields, like cancer. Both asthma and COPD are recognised to be multi-factorial and complex diseases, both consisting of clusters of multiple disease phenotypes. The complexity of these diseases combined with the inaccessibility and invasiveness of disease relevant samples have provided a hurdle to the progress of respiratory proteomics. Advances in proteomic instrumentation and methodology have led to the possibility to identify proteomes in much smaller quantities of biological material. This review focuses on the efforts in respiratory proteomics in relation to asthma and COPD, and the importance of identifying subgroups of disease entities to establish appropriate biomarkers, and to enhance the understanding of underlying mechanisms in each subgroup. Careful phenotype characterisation of patient subpopulations is required to make improvement in the field of heterogeneous diseases such as asthma and COPD, and the clusters of phenotypes are likely to encompass subgroups of disease with distinct molecular mechanisms; endotypes. The utilisation of modern advanced proteomics in endotypes of asthma and COPD will likely contribute to the increased understanding of disease mechanisms, establishment of biomarkers for these endotypes and improved patient care.
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Affiliation(s)
- Serena E O'Neil
- Krefting Research Centre, Department of Internal Medicine, University of Gothenburg, Sweden.
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HU RUICHENG, OUYANG QING, DAI AIGUO, TAN SHUANGXIANG, XIAO ZHIQIANG, TANG CENE. Heat shock protein 27 and cyclophilin A associate with the pathogenesis of COPD. Respirology 2011; 16:983-93. [DOI: 10.1111/j.1440-1843.2011.01993.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Hanash S. Progress in mining the human proteome for disease applications. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2011; 15:133-9. [PMID: 21375461 DOI: 10.1089/omi.2010.0111] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Currently available technologies allow in-depth analysis of multiple facets of the proteome that have clinical relevance and that complement current genomics-based approaches. Although some progress has been made in our knowledge of the human proteome in health and in disease, there is an urgent need to chart a coherent road map with clearly defined milestones to guide proteomics efforts. Areas of emphasis include: (1) building resources, (2) filling gaps in our understanding of biological variation, and (3) systematically characterizing proteome alterations that occur in well-defined disease states, all of which require an organized and collaborative effort.
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Affiliation(s)
- Sam Hanash
- Fred Hutchinson Cancer Research Center, Seattle, Washington 98109-1024, USA.
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Casado B, Luisetti M, Iadarola P. Advances in proteomic techniques for biomarker discovery in COPD. Expert Rev Clin Immunol 2011; 7:111-23. [PMID: 21162654 DOI: 10.1586/eci.10.75] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is a disorder characterized by chronic inflammation of the lung with airflow obstruction and progressive deterioration of pulmonary function. The need to discover and validate biomarkers as prognostic tools of development and progression of the disease has received further support with the advent of proteomic techniques. Liquid chromatography-mass spectrometry (LC/MS) and gel electrophoresis-mass spectrometry (2-DE/MS) have been applied to investigate the proteome of a number of lung-origin samples, including sputum, bronchoalveolar lavage fluid, exhaled-breath condensate, cells and biopsies from COPD patients. In particular, 2-DE and MS are the main proteomic approaches with 2-DE presenting the major approach for quantitative proteomics. The molecules identified as potential biomarkers of COPD may represent a preliminary step for better comprehension of the mechanisms involved in the onset/progression of the disease.
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Affiliation(s)
- Begoña Casado
- Quality and Safety Department, Nestlé Research Center, Nestec Ltd., Vers-chez-les-Blanc, 1000 Lausanne 26, Switzerland.
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Proteomics Research Focus on The Affection of Smoking to D4-GDI Expression in Lung Tissue and The Relationship With Chronic Obstructive Pulmonary Disease. PROG BIOCHEM BIOPHYS 2011. [DOI: 10.3724/sp.j.1206.2010.00240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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