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Geng Y, Zhang C, He P, Wang Y, Kong L, Li Z, Wei B, Ma Y, Liang H, Ding C, Tie C. Urine LMs quantitative analysis strategy development and LMs CWP biomarkers discovery. Prostaglandins Other Lipid Mediat 2024; 171:106816. [PMID: 38302009 DOI: 10.1016/j.prostaglandins.2024.106816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/22/2024] [Accepted: 01/27/2024] [Indexed: 02/03/2024]
Abstract
Coal workers' pneumoconiosis (CWP) is one of the most common inhalation occupational diseases. It is no effective treatment methods. Early diagnosis of CWP could reduce mortality. Lipid mediators (LMs) as key mediators in the generation and resolution of inflammation, are natural biomarkers for diagnosis inflammatory disease, such as CWP. The UHPLC-MRM technique was used to detect LMs in urine. The metabolic network of LMs in CWP and CT group samples was comprehensively analyzed. Screening for major difference compounds between the two groups. Aimed to contribute to the early diagnosis and treatment of CWP. Urinary levels of 13-OxoODE, 9-OxoODE, and 9,10-EpOME were significantly higher in the CWP group compared with the CT group (P < 0.05). In the model group, the area under the receiver operating characteristic (ROC) for 9-OxoODE,13-OxoODE,9,10-EpOME was 84.4%, 73.3%, and 80.9%, respectively. In the validation group, the area under the ROC was 87.0%, 88.8%, and 68.8% for 9-OxoODE,13-OxoODE,9,10-EpOME, respectively. According to the logistic regression model, the area under the ROC was 80.4% in the model group and 86.7% in the validation group. 13-OxoODE,9-OxoODE,9,10-EpOME could be used as biomarkers for early diagnosis. Significant abnormalities of LOX and CYP450 enzyme pathways were seen in CWP organisms. Changes in the CYP450 enzyme pathway may be associated with PAHs.
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Affiliation(s)
- Yicong Geng
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China
| | - Chunmin Zhang
- National Center for Occupational Safety and Health, NHC, 27 Shilong North Road, Beijing 102308, China
| | - Ping He
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China
| | - Yi Wang
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China
| | - Lingfei Kong
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China
| | - Zhengying Li
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China
| | - Bin Wei
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China
| | - Yufang Ma
- Clinical Pharmacology Research Center, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
| | - Handong Liang
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China
| | - Chunguang Ding
- National Center for Occupational Safety and Health, NHC, 27 Shilong North Road, Beijing 102308, China
| | - Cai Tie
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Ding11 Xueyuan Road, Beijing 100083, China.
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Ergün R, Ergün D, Özkan E, Kurt OK, Bacanli M, Körez MK. Can Serum Chitotriosidase Levels, Immune, and Oxidative Stress Parameters Be Early Diagnostic Indicators in Patients With Silicosis? J Occup Environ Med 2023; 65:e752-e758. [PMID: 37733997 DOI: 10.1097/jom.0000000000002973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
OBJECTIVE We aimed to evaluate the enzyme activity of chitotriosidase as a biomarker in early diagnosis silicosis and to investigate immune system response and oxidative stress caused by silica exposure. MATERIALS AND METHODS Silicosis patients (n = 116), exposed to silica without disease (n = 76), and healthy individuals (n = 55) were included. Serum levels of chitotriosidase, proinflammatory cytokines, oxidant-antioxidant, and immune parameters were measured. RESULTS Serum chitotriosidase enzyme levels in the silicosis group were statistically significantly higher than the exposure and control groups. Inflammatory biomarkers and 8-hydroxy-2-deoxyguanosine levels were found to be statistically significantly higher in the silicosis and exposure group compared with the controls, while superoxide dismutase and glutathione peroxidase were lower. CONCLUSIONS Increased serum chitotriosidase level emerged as a biomarker that can not only distinguish silicosis from exposure and healthy controls but also indicate early pulmonary effects of silica.
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Affiliation(s)
- Recai Ergün
- From the Department of Pulmonary Medicine, Selcuk University, Faculty of Medicine, Konya, Turkey (R.E., D.E.); Rush University Medical Center, Chicago, Illinois (E.Ö.); Department of Pulmonary Medicine and Occupational Medicine, Yedikule Chest Diseases and Thoracic Surgery Training and Research Hospital, Istanbul, Turkey (O.K.K.); Department of Pharmaceutical Toxicology, University of Health Sciences Turkey, Gulhane Faculty of Pharmacy, Ankara, Turkey (M.B.); and Selcuk University Faculty of Medicine, Konya, Turkey (M.K.K.)
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Plasma Cytokine Profiling Reveals Differences between Silicotic Patients with Simple Silicosis and Those with Progressive Massive Fibrosis Caused by Engineered Stone. Int J Mol Sci 2023; 24:ijms24021541. [PMID: 36675056 PMCID: PMC9860830 DOI: 10.3390/ijms24021541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/05/2023] [Accepted: 01/11/2023] [Indexed: 01/14/2023] Open
Abstract
Engineered stone silicosis has become an occupational epidemic disease that progresses rapidly to progressive massive fibrosis with respiratory failure and death, and there is no effective treatment. Silica deposition in the lung triggers a series of inflammatory reactions with the participation of multiple cytokines and cellular mediators whose role in the development and progression of the disease is largely unknown. We hypothesized that differences in plasma cytokine levels exist between patients diagnosed with simple silicosis (SS) and patients diagnosed with progressive massive fibrosis (PMF). Plasma samples from 91 ES silicosis patients, diagnosed and classified by chest radiography and/or high-resolution computed tomography with SS (n = 53) and PMF (n = 38), were assayed by multiplex assays for levels of 34 cytokines. Additionally, a healthy volunteer control group (n = 22) was included. Plasma levels of a high number of cytokines were significantly higher in subjects with silicosis than in healthy control subjects. Moreover, the levels of IL-1RA, IL-8, IL-10, IL-16, IL-18, TNF-α, MIP-1α, G-CSF and VEGF were significantly elevated in PMF compared to SS patients. This study shows that plasma cytokine levels differ between healthy people and silicosis patients, and some of them are also significantly elevated in patients with PMF compared with patients with SS, which could indicate their involvement in the severity of the disease, be considered as biomarkers and could be explored as future therapeutic targets for the disease.
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Intelligent Image Diagnosis of Pneumoconiosis Based on Wavelet Transform-Derived Texture Features. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:2037019. [PMID: 35341000 PMCID: PMC8947888 DOI: 10.1155/2022/2037019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/22/2021] [Accepted: 02/28/2022] [Indexed: 11/17/2022]
Abstract
Objective. Early diagnosis and treatment of occupational pneumoconiosis can delay the development of the disease. This study is aimed at investigating the intelligent diagnosis of occupational pneumoconiosis by wavelet transform-derived entropy. Method. From June 2013 to June 2020, the high KV digital radiographs (DR) and computed tomography (CT) images from a total of 60 patients with occupational pneumoconiosis in our department were selected. The wavelet transform-derived texture features were extracted from all images, and the decision tree was used for feature selection. The support vector machines (SVM) with three kernel functions were selected to classify the two kinds of images, and their diagnostic efficiency was compared. Result. After eight times of wavelet decomposition, eight wavelet entropy texture features (feature set) were extracted, and six were selected to form the feature subset. The classification effect of linear kernel function SVM is better than those of other functions, with an accuracy of 84.2%. The diagnostic values of DR and CT for occupational pneumoconiosis were the same (
). The detection rate of CT for stage I of occupational pneumoconiosis was significantly higher than that of DR (
). Conclusion. It is helpful to improve the early diagnosis level of pneumoconiosis by using SVM to make an intelligent diagnosis based on the wavelet entropy.
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Xu X, Yin J, Zhang J, Xu S, Yang Y, Hai X, Yu Y, Lu R, Liu M. Association between the IL-6 polymorphisms and coal workers’ pneumoconiosis in a Chinese Hui population. EUR J INFLAMM 2022. [DOI: 10.1177/1721727x221128704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Objective To determine whether polymorphisms in IL-6 and IL-12 contribute to the etiology of coal workers’ pneumoconiosis (CWP) in a Chinese Hui population, and to evaluate the efficacy and safety of high frequency oscillatory ventilation (HFOV) in the treatment of CWP. Introduction Genes and the environments interplay in the development of CWP, and the association between the potential functional polymorphisms in many genes and CWP have been reported. Methods We genotyped the IL-6-634C/G (rs1800796) and IL-12B-1188A/C (rs3212227) polymorphisms in a case-control study including 160 CWP patients and 150 dust-exposed control subjects of Chinese Hui population, and analyzed the associations between these genetic variants and CWP risk. We also evaluated the efficacy and safety of HFOV for whole lung lavage (WLL) in the treatment of CWP. Results Carrying the C allele of IL-6-634C/G (rs1800796) was associated with decreased risk of CWP ( p < 0.05). No significant differences in allele or genotype frequencies of IL-12B-1188A/C was found between the CWP cases and control subjects ( p > 0.05). Compared with CWP patients with routine WLL, CWP patients received HFOV showed better pulmonary functions. HFOV treatment also yield a significant higher efficient rate (97.50%) than WLL treatment (81.25%, p = 0.001). CWP patients receiving HFOV and WLL treatment both showed significantly increased serum contents of Clara cell protein 16 (CC16) and superoxide dismutase (SOD), and decreased serum contents of serum malonaldehyde (MDA). While the increasing of CC16 and SOD, and decreasing of MDA in patients receiving HFOV was more noticeable than patients receiving WLL. Conclusions Taking together, the −634C/G polymorphisms in IL-6 play a role in the etiology of CWP. HFOV, when applied in CWP patients, significant improves their pulmonary functions.
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Affiliation(s)
- Xiangzhao Xu
- Department of Anesthesiology, The Fifth People’s Hospital of Ningxia Hui Autonomous Region, Ningxia, China
| | - Jun Yin
- Department of Anesthesiology, The Fifth People’s Hospital of Ningxia Hui Autonomous Region, Ningxia, China
| | - Junlong Zhang
- Department of Anesthesiology, Shanghai General Hospital, Shanghai, China
| | - Shulan Xu
- Department of Anesthesiology, The Fifth People’s Hospital of Ningxia Hui Autonomous Region, Ningxia, China
| | - Yaowen Yang
- Department of Anesthesiology, The Fifth People’s Hospital of Ningxia Hui Autonomous Region, Ningxia, China
| | - Xiaoyu Hai
- Department of Anesthesiology, The Fifth People’s Hospital of Ningxia Hui Autonomous Region, Ningxia, China
| | - Yongsheng Yu
- Department of Anesthesiology, The Fifth People’s Hospital of Ningxia Hui Autonomous Region, Ningxia, China
| | - Ruirui Lu
- Department of Anesthesiology, The Fifth People’s Hospital of Ningxia Hui Autonomous Region, Ningxia, China
| | - Mingzhou Liu
- Department of Anesthesiology, The Fifth People’s Hospital of Ningxia Hui Autonomous Region, Ningxia, China
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Scalia Carneiro AP, Algranti E, Chérot‐Kornobis N, Silva Bezerra F, Tibiriça Bon AM, Felicidade Tomaz Braz N, Soares Souza DM, Paula Costa G, Bussacos MA, Paula Alves Bezerra OM, Talvani A. Inflammatory and oxidative stress biomarkers induced by silica exposure in crystal craftsmen. Am J Ind Med 2020; 63:337-347. [PMID: 31953962 DOI: 10.1002/ajim.23088] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 12/20/2019] [Accepted: 01/03/2020] [Indexed: 01/15/2023]
Abstract
BACKGROUND Identification of biomarkers associated with the diagnosis and prognosis of silicosis would be highly advantageous in the clinical setting. The aim of this study is to evaluate inflammatory and oxidative stress biomarkers in subjects exposed to silica. METHODS A cross-sectional study of crystal craftsmen currently (n = 34) or formerly (n = 35) exposed and a group of nonexposed subjects (n = 12) was performed. Personal respirable dust samples were collected. Plasma inflammatory mediators (bone morphogenetic protein- BMP2 and chemokines CXCL16, and CCL5), oxidative stress enzymes (thiobarbituric acid reactive substances [TBARs] and superoxide dismutase [SOD]), and nitrite (NO2 - ) were analyzed in parallel with nitric oxide in exhaled breath (FeNO). RESULTS Being currently or formerly exposed to silica was related to increased levels of CXCL16 and TBARs. Currently, exposed subjects showed decreased levels of SOD. Thirty-seven craftsmen with silicosis (26 formerly and 11 currently exposed) showed higher levels of CXCL16, which was positively associated with the radiological severity of silicosis. Compared with the nonexposed, subjects with silicosis had higher levels of TBARs and those with complicated silicosis had lower levels of SOD. In multivariate analysis, higher levels of CXCL16 were associated with exposure status and radiological severity of silicosis. Smoking was not a confounder. FeNO did not distinguish between the exposure status and the presence of silicosis. CONCLUSION CXCL16 emerged as a potential biomarker that could distinguish both silica exposure and silicosis. TBARs were elevated in exposed individuals. However, their clinical applications demand further investigation in follow-up studies of representative samples.
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Affiliation(s)
- Ana Paula Scalia Carneiro
- Workers' Health Division of the Clinics Hospital of Federal University of Minas GeraisBelo Horizonte Brazil
| | | | | | - Frank Silva Bezerra
- Laboratory of Experimental Pathophysiology/DECBIFederal University of Ouro PretoOuro Preto Minas Gerais Brazil
| | | | - Nayara Felicidade Tomaz Braz
- Interdisciplinary Laboratory for Medical Research, Department of Neuroscience, School of MedicineFederal University of Minas GeraisBelo Horizonte Brazil
| | | | - Guilherme Paula Costa
- Laboratory of Immunobiology of Inflammation/DECBIFederal University of Ouro PretoOuro Preto Brazil
| | | | - Olívia Maria Paula Alves Bezerra
- School of Medicine, Department of Family Medicine, Mental and Collective HealthFederal University of Ouro PretoOuro Preto Minas Gerais Brazil
| | - André Talvani
- Laboratory of Immunobiology of Inflammation/DECBIFederal University of Ouro PretoOuro Preto Brazil
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Matzenbacher CA, Garcia ALH, Dos Santos MS, Nicolau CC, Premoli S, Corrêa DS, de Souza CT, Niekraszewicz L, Dias JF, Delgado TV, Kalkreuth W, Grivicich I, da Silva J. DNA damage induced by coal dust, fly and bottom ash from coal combustion evaluated using the micronucleus test and comet assay in vitro. JOURNAL OF HAZARDOUS MATERIALS 2017; 324:781-788. [PMID: 27894755 DOI: 10.1016/j.jhazmat.2016.11.062] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 11/19/2016] [Accepted: 11/21/2016] [Indexed: 06/06/2023]
Abstract
Coal mining and combustion generating huge amounts of bottom and fly ash are major causes of environmental pollution and health hazards due to the release of polycyclic aromatic hydrocarbons (PAH) and heavy metals. The Candiota coalfield in Rio Grande do Sul, is one of the largest open-cast coal mines in Brazil. The aim of this study was to evaluate genotoxic and mutagenic effects of coal, bottom ash and fly ash samples from Candiota with the comet assay (alkaline and modified version) and micronucleus test using the lung fibroblast cell line (V79). Qualitative and quantitative analysis of PAH and inorganic elements was carried out by High Performance Liquid Chromatography (HPLC) and by Particle-Induced X-ray Emission (PIXE) techniques respectively. The samples demonstrated genotoxic and mutagenic effects. The comet assay modified using DNA-glicosilase formamidopirimidina (FPG) endonuclease showed damage related to oxidative stress mechanisms. The amount of PAHs was higher in fly ash followed by pulverized coal. The amount of inorganic elements was highest in fly ash, followed by bottom ash. It is concluded that the samples induce DNA damage by mechanisms that include oxidative stress, due to their complex composition, and that protective measures have to be taken regarding occupational and environmental hazards.
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Affiliation(s)
- Cristina Araujo Matzenbacher
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | - Ana Letícia Hilario Garcia
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | - Marcela Silva Dos Santos
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | - Caroline Cardoso Nicolau
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | - Suziane Premoli
- Research Center Product and Development (CEPPED), Postgraduate Program in Genetics and Applied Toxicology (PPGGTA), Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | - Dione Silva Corrêa
- Research Center Product and Development (CEPPED), Postgraduate Program in Genetics and Applied Toxicology (PPGGTA), Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | - Claudia Telles de Souza
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Liana Niekraszewicz
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Johnny Ferraz Dias
- Ion Implantation Laboratory, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Tânia Valéria Delgado
- Coal Analysis and Rocks Oil Generators Laboratory, Institute of Geosciences, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Wolfgang Kalkreuth
- Coal Analysis and Rocks Oil Generators Laboratory, Institute of Geosciences, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Ivana Grivicich
- Laboratory of Cancer Biology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil
| | - Juliana da Silva
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Canoas, RS, Brazil.
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Influence of Cytokines and Soluble Receptors in the Quality of Life and Functional Capacity of Workers Exposed to Silica. J Occup Environ Med 2017; 58:272-6. [PMID: 26949877 DOI: 10.1097/jom.0000000000000606] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES The aim of the study was to evaluate the plasma levels of inflammatory mediators in subjects exposed to silica, with and without silicosis compared with unexposed control group; and to check the association between inflammatory mediators with pulmonary function, quality of life, functional capacity, and dyspnea grade. METHODS Inflammatory mediators were measured by enzyme-linked immunosorbent assay. There were 30 subjects exposed to silica and 24 control group. RESULTS Interleukin-6 plasma levels were higher in subjects exposed to silica with and without silicosis than in the control group. There was a positive correlation between radiological severity and the quality of life, whereas there was a negative correlation between radiological severity and pulmonary function. A negative correlation between sTNFR1 plasma level and functional capacity was found. Interleukin-10 was negatively correlated with the quality of life total score and was positively correlated with the functional capacity and pulmonary function.
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Liu SJ, Wang P, Jiao J, Han L, Lu YM. Differential gene expression associated with inflammation in peripheral blood cells of patients with pneumoconiosis. J Occup Health 2016; 58:373-80. [PMID: 27265534 PMCID: PMC5356945 DOI: 10.1539/joh.16-0021-oa] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Objectives: To study expression changes in inflammation-related genes in peripheral blood of patients with pneumoconiosis and to explore the possibility of these genes as pneumoconiosis biomarkers. Methods: Peripheral blood samples of patients with pneumoconiosis patients and controls were collected, and total RNA of the blood cells were extracted and reverse transcribed to cDNA. Screenings of deferentially expressed genes associated with inflammation between patients with pneumoconiosis and controls were performed using real-time quantitative PCR array and the expressions of the three most upregulated genes were confirmed by real-time PCR. Results: The expression of 11 genes was significantly altered in patients with pneumoconiosis compared with those of the control. Among these 11 genes, 8 genes were upregulated and 3 were downregulated. Preliminary results indicated that interleukin 6 (IL-6) mRNA expression in patients with pneumoconiosis was higher than that in controls (P=0.019). The level of IL6 mRNA expression in the patients was higher than that in non-smoking controls, but it was neither affected by type and stage of pneumoconiosis nor by time of contact with dust. Conclusions: IL6 was possibly involved in the development of pneumoconiosis.
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Affiliation(s)
- Shu-Jun Liu
- The Second Clinical Medical College, Nanchang University
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Niccoli L, Cassarà E, Kaloudi O, Nannini C, Romagnoli M, Cantini F. Systemic autoimmune disease in asbestosis rapidly responding to anti-interleukin-1beta antibody canakinumab: a case report. BMC Musculoskelet Disord 2015; 16:146. [PMID: 26071911 PMCID: PMC4465479 DOI: 10.1186/s12891-015-0602-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Accepted: 05/28/2015] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND Asbestosis is characterized by lung and pleural fibrosis and by immune system dysregulation, with autoantibody production and systemic immune-mediated disease. No specific therapies are available for asbestosis. Recently, the pivotal pathogenic role exerted by interleukin-1beta has been recently reported. CASE PRESENTATION We treated with anti-interleukin 1 beta targeted antibody canakinumab a 67 year old man with asbestosis and long lasting systemic autoimmune features. A dramatic improvement in clinical manifestations was observed at 1 week after the first injection, with complete clinical remission at 4 months. CONCLUSION This case suggests new perspectives for the treatment of asbestosis and its systemic features.
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Affiliation(s)
- Laura Niccoli
- Consultant in Rheumatology, Rheumatology Division, Hospital of Prato, Prato, Italy.
| | - Emanuele Cassarà
- Consultant in Rheumatology, Rheumatology Division, Hospital of Prato, Prato, Italy.
| | - Olga Kaloudi
- Consultant in Rheumatology, Rheumatology Division, Hospital of Prato, Prato, Italy.
| | - Carlotta Nannini
- Consultant in Rheumatology, Rheumatology Division, Hospital of Prato, Prato, Italy.
| | - Micaela Romagnoli
- Consultant in Pneumology, Pneumologie et Addictologie CHU Arnaud de Villeneuve 191, Av. du Doyen Gaston Giraud, 34295, Montpellier, France.
| | - Fabrizio Cantini
- Consultant in Rheumatology, Rheumatology Division, Hospital of Prato, Prato, Italy.
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Setiawan B, Kania N, Nugrahenny D, Nurdiana N, Widodo MA. Subchronic inhalation of particulate matter 10 coal dust induces atherosclerosis in the aorta of diabetic and nondiabetic rats. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.bgm.2014.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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12
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Li R, Ji Z, Chang CH, Dunphy DR, Cai X, Meng H, Zhang H, Sun B, Wang X, Dong J, Lin S, Wang M, Liao YP, Brinker CJ, Nel A, Xia T. Surface interactions with compartmentalized cellular phosphates explain rare earth oxide nanoparticle hazard and provide opportunities for safer design. ACS NANO 2014; 8:1771-83. [PMID: 24417322 PMCID: PMC3988685 DOI: 10.1021/nn406166n] [Citation(s) in RCA: 160] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2013] [Accepted: 01/13/2014] [Indexed: 05/19/2023]
Abstract
Growing international exploitation of rare earth oxides (REOs) for commercial and biological use has increased the possibility of human exposure and adverse health effects. Occupational exposure to rare earth materials in miners and polishers leads to a severe form of pneumoconiosis, while gadolinium-containing MRI contrast agents cause nephrogenic systemic fibrosis in patients with renal impairment. The mechanisms for inducing these adverse pro-fibrogenic effects are of considerable importance for the safety assessment of REO particles as well as presenting opportunities for safer design. In this study, using a well-prepared REO library, we obtained a mechanistic understanding of how REOs induce cellular and pulmonary damage by a compartmentalized intracellular biotransformation process in lysosomes that results in pro-fibrogenic growth factor production and lung fibrosis. We demonstrate that rare earth oxide ion shedding in acidifying macrophage lysosomes leads to biotic phosphate complexation that results in organelle damage due to stripping of phosphates from the surrounding lipid bilayer. This results in nanoparticle biotransformation into urchin shaped structures and setting in motion a series of events that trigger NLRP3 inflammasome activation, IL-1β release, TGF-β1 and PDGF-AA production. However, pretreatment of REO nanoparticles with phosphate in a neutral pH environment prevents biological transformation and pro-fibrogenic effects. This can be used as a safer design principle for producing rare earth nanoparticles for biological use.
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Affiliation(s)
- Ruibin Li
- Division of NanoMedicine, Department of Medicine, University of California, 10833 Le Conte Avenue, Los Angeles, California 90095, United States
| | - Zhaoxia Ji
- California NanoSystems Institute, University of California, 570 Westwood Plaza, Los Angeles, California 90095, United States
| | - Chong Hyun Chang
- California NanoSystems Institute, University of California, 570 Westwood Plaza, Los Angeles, California 90095, United States
| | - Darren R. Dunphy
- Department of Chemical and Nuclear Engineering, University of New Mexico, University of New Mexico MSC01 1120, Albuquerque, New Mexico 87131, United States
| | - Xiaoming Cai
- Department of Pharmacology, School of Medicine, University of California, 360 Med Surge II, Irvine, California 92697, United States
| | - Huan Meng
- Division of NanoMedicine, Department of Medicine, University of California, 10833 Le Conte Avenue, Los Angeles, California 90095, United States
| | - Haiyuan Zhang
- California NanoSystems Institute, University of California, 570 Westwood Plaza, Los Angeles, California 90095, United States
| | - Bingbing Sun
- Division of NanoMedicine, Department of Medicine, University of California, 10833 Le Conte Avenue, Los Angeles, California 90095, United States
| | - Xiang Wang
- California NanoSystems Institute, University of California, 570 Westwood Plaza, Los Angeles, California 90095, United States
| | - Juyao Dong
- Department of Chemistry & Biochemisty, University of California, 607 Charles E. Young Drive East, Los Angeles, California 90095, United States
| | - Sijie Lin
- California NanoSystems Institute, University of California, 570 Westwood Plaza, Los Angeles, California 90095, United States
| | - Meiying Wang
- Division of NanoMedicine, Department of Medicine, University of California, 10833 Le Conte Avenue, Los Angeles, California 90095, United States
| | - Yu-Pei Liao
- Division of NanoMedicine, Department of Medicine, University of California, 10833 Le Conte Avenue, Los Angeles, California 90095, United States
| | - C. Jeffrey Brinker
- Department of Chemical and Nuclear Engineering, University of New Mexico, University of New Mexico MSC01 1120, Albuquerque, New Mexico 87131, United States
| | - Andre Nel
- Division of NanoMedicine, Department of Medicine, University of California, 10833 Le Conte Avenue, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California, 570 Westwood Plaza, Los Angeles, California 90095, United States
- Address correspondence to ,
| | - Tian Xia
- Division of NanoMedicine, Department of Medicine, University of California, 10833 Le Conte Avenue, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California, 570 Westwood Plaza, Los Angeles, California 90095, United States
- Address correspondence to ,
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13
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Petsonk EL, Rose C, Cohen R. Coal mine dust lung disease. New lessons from old exposure. Am J Respir Crit Care Med 2013; 187:1178-85. [PMID: 23590267 DOI: 10.1164/rccm.201301-0042ci] [Citation(s) in RCA: 125] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Coal mining remains a sizable industry, with millions of working and retired coal miners worldwide. This article provides an update on recent advances in the understanding of respiratory health issues in coal miners and focuses on the spectrum of disease caused by inhalation of coal mine dust, termed coal mine dust lung disease. In addition to the historical interstitial lung diseases (coal worker's pneumoconiosis, silicosis, and mixed dust pneumoconiosis), coal miners are at risk for dust-related diffuse fibrosis and chronic airway diseases, including emphysema and chronic bronchitis. Recent recognition of rapidly progressive pneumoconiosis in younger miners, mainly in the eastern United States, has increased the sense of urgency and the need for vigilance in medical research, clinical diagnosis, and exposure prevention. Given the risk for disease progression even after exposure removal, along with few medical treatment options, there is an important role for chest physicians in the recognition and management of lung disease associated with work in coal mining.
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Affiliation(s)
- Edward L Petsonk
- Section of Pulmonary and Critical Care Medicine, Department of Medicine, West Virginia University School of Medicine, Morgantown, WV 26506, USA.
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Nemmar A, Melghit K, Al-Salam S, Zia S, Dhanasekaran S, Attoub S, Al-Amri I, Ali BH. Acute respiratory and systemic toxicity of pulmonary exposure to rutile Fe-doped TiO(2) nanorods. Toxicology 2010; 279:167-75. [PMID: 21073913 DOI: 10.1016/j.tox.2010.10.007] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2010] [Revised: 10/10/2010] [Accepted: 10/19/2010] [Indexed: 02/03/2023]
Abstract
Nanomaterials are extensively used in medicines, industry and daily life, but little is known about their possible health effects. Titanium dioxide (TiO₂) nonmaterial-based photocatalysis is useful in the complete mineralization of organic pollutants in waste water and air. While the Fe-doping of TiO₂ enhances their photocatalytic activity, their potential pathophysiologic effects are unknown. Here, rutile Fe-doped (9%) pure titanium dioxide (TiO₂) nanorods were prepared and characterized. Subsequently, we assessed the acute (24 h) pulmonary and extrapulmonary effects of intratracheal (i.t.) instillation of these nanorods (1 and 5 mg/kg) in Wistar rats. In the bronchoalveolar lavage, the treatment induced a significant and dose-dependent increase of neutrophils, an increase of interleukin-6 (IL-6, at 5 mg/kg), and caused a dose-dependent-decrease of superoxide dismutase (SOD) activity. The lung sections of rats exposed to rutile Fe-TiO₂ nanorods showed infiltration of inflammatory cells in dose-dependent manner. Similarly, the heart rate, systolic blood pressure, plasma IL-6, and leukocyte and platelet numbers were increased at 5 mg/kg. The plasma SOD and reduced glutathaione activities were dose-dependently decreased after exposure to the nanorods. Histopathologically, the liver showed mild inflammatory cells infiltration of few portal tracts, but the kidneys and heart were unaffected. In plasma, the levels of lactate dehydrogenase and hepatic enzymes, i.e., alanine aminotranferease and aspartate aminotransferase were increased significantly. The in vitro exposure of human lung cancer cells NCI-H460-Luc2 and human hepatoma cells HepG2 to FeTiO₂ (6.25-100 μg/ml) dose-dependently reduced cellular viability. Also, the In vitro direct addition of these nanorods (0.1-1 μg/ml) to untreated rat blood, significantly and dose-dependently induced platelet aggregation. In conclusion, exposure to rutile Fe-TiO₂ promotes pulmonary and systemic inflammation and oxidative stress. It affects the liver, enhances thrombotic potential, heart rate and systolic blood pressure. Moreover, the rutile Fe-TiO₂ elicited direct toxicity on NCI-H460-Luc2 and HepG2 cells.
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Affiliation(s)
- Abderrahim Nemmar
- Department of Physiology, Faculty of Medicine and Health Sciences, United Arab Emirates University, P.O. Box 17666, Al Ain, United Arab Emirates.
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15
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Lee JS, Shin JH, Lee JO, Lee KM, Kim JH, Choi BS. Serum Levels of Interleukin-8 and Tumor Necrosis Factor-alpha in Coal Workers' Pneumoconiosis: One-year Follow-up Study. Saf Health Work 2010; 1:69-79. [PMID: 22953165 PMCID: PMC3430940 DOI: 10.5491/shaw.2010.1.1.69] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2010] [Accepted: 08/18/2010] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVES Various cytokines induced by inhalation of coal dust may mediate inflammation and lead to tissue damage or fibrosis, such as coal workers' pneumoconiosis (CWP). METHODS To investigate the relevance of serum cytokines in CWP, the levels of serum interleukin-8 (IL-8) and tumor necrosis factor-alpha (TNF-α) as CWP biomarkers in 110 retired coal miners (22 controls and 88 CWP subjects) were related to cross sectional findings and 1-year progressive changes of the pneumoconiosis. Progressive changes of CWP were evaluated by paired comparison of chest radiographs. Analysis by a receiver operating characteristic curve assessed the biomarker potential of each cytokine. RESULTS The mean serum IL-8 level was significantly higher in CWP compared to controls and IL-8 levels correlated with the degree of CWP. The median serum TNF-α level was significantly higher in subjects with progressive CWP compared to subjects without CWP progression. The area under the ROC curve for IL-8 (0.70) and TNF-α (0.72) for CWP identification and progression, respectively, indicated the biomarker potential of the two cytokines. Serum cutoff values of IL-8 and TNF-α were 11.63 pg/mL (sensitivity, 69%; specificity, 64%) and 4.52 pg/mL (sensitivity, 67%; specificity, 79%), respectively. CONCLUSION The results suggest that high levels of serum IL-8 are associated with the presence of CWP and those of serum TNF-α are associated with the progression of CWP.
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Affiliation(s)
- Jong Seong Lee
- Occupational Lung Diseases Institute, COMWEL, Ansan, Korea
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16
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Lee JS, Shin JH, Lee JO, Lee WJ, Hwang JH, Kim JH, Choi BS. Blood Levels of IL-Iβ, IL-6, IL-8, TNF-α, and MCP-1 in Pneumoconiosis Patients Exposed to Inorganic Dusts. Toxicol Res 2009; 25:217-224. [PMID: 32038841 PMCID: PMC7006313 DOI: 10.5487/tr.2009.25.4.217] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2009] [Revised: 11/05/2009] [Accepted: 11/16/2009] [Indexed: 11/29/2022] Open
Abstract
Inhaled inorganic dusts such as coal can cause inflammation and fibrosis in the lung called pneumoconiosis. Chronic inflammatory process in the lung is associated with various cytokines and reactive oxygen species (ROS) formation. Expression of some cytokines mediates inflammation and leads to tissue damage or fibrosis. The aim of the present study was to compare the levels of blood cytokines interleukin (IL)-1β, IL-6, IL-8, tumor necrosis factor (TNF)-α and monocyte chemoattractant protein (MCP)-1 among 124 subjects (control 38 and pneumoconiosis patient 86) with category of chest x-ray according to International Labor Organization (ILO) classification. The levels of serum IL-8 (p = 0.003), TNF-α (p = 0.026), and MCP-1 (p = 0.010) of pneumoconiosis patients were higher than those of subjects with the control. The level of serum IL-8 in the severe group with the small opacity (ILO category II or III) was higher than that of the control (p = 0.035). There was significant correlation between the profusion of radiological findings with small opacity and serum levels of IL-1β (rho = 0.218, p < 0.05), IL-8 (rho = 0.224, p < 0.05), TNF-α (rho = 0.306, p < 0.01), and MCP-1 (rho = 0.213, p < 0.01). The serum levels of IL-6 and IL-8, however, did not show significant difference between pneumoconiosis patients and the control. There was no significant correlation between serum levels of measured cytokines and other associated variables such as lung function, age, BMI, and exposure period of dusts. Future studies will be required to investigate the cytokine profile that is present in pneumoconiosis patient using lung specific specimens such as bronchoalveolar lavage fluid (BALF), exhaled breath condensate, and lung tissue.
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Affiliation(s)
- Jong Seong Lee
- Center for Occupational Lung Diseases, KWAMCO, 95, II-dong, Sangnok-gu, Ansan-si, Gyeonggi-do, 426-858 Korea
| | - Jae Hoon Shin
- Center for Occupational Lung Diseases, KWAMCO, 95, II-dong, Sangnok-gu, Ansan-si, Gyeonggi-do, 426-858 Korea
| | - Joung Oh Lee
- Center for Occupational Lung Diseases, KWAMCO, 95, II-dong, Sangnok-gu, Ansan-si, Gyeonggi-do, 426-858 Korea
| | - Won-Jeong Lee
- Center for Occupational Lung Diseases, KWAMCO, 95, II-dong, Sangnok-gu, Ansan-si, Gyeonggi-do, 426-858 Korea
| | - Joo-Hwan Hwang
- Center for Occupational Lung Diseases, KWAMCO, 95, II-dong, Sangnok-gu, Ansan-si, Gyeonggi-do, 426-858 Korea
| | - Ji Hong Kim
- Ansan Choongang General Hospital, KWAMCO, Ansan, 426-858 Korea
| | - Byung-Soon Choi
- Center for Occupational Lung Diseases, KWAMCO, 95, II-dong, Sangnok-gu, Ansan-si, Gyeonggi-do, 426-858 Korea
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Nemmar A, Dhanasekaran S, Yasin J, Ba-Omar H, Fahim MA, Kazzam EE, Ali BH. Evaluation of the direct systemic and cardiopulmonary effects of diesel particles in spontaneously hypertensive rats. Toxicology 2009; 262:50-6. [PMID: 19463885 DOI: 10.1016/j.tox.2009.05.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2009] [Revised: 05/06/2009] [Accepted: 05/07/2009] [Indexed: 12/13/2022]
Abstract
Recent data suggest that ultrafine pollutant particles (diameter <0.1microm) may pass from the lung into the systemic circulation. However, the systemic and cardiorespiratory effects of translocated particles are not well known. In this study, we determined the direct acute (24h) effect of the systemic administration of 0.01mg/kg and 0.02mg/kg diesel exhaust particles (DEP) on systolic blood pressure, heart rate, and both systemic and pulmonary inflammation in spontaneously hypertensive rats (SHR). Compared to the blood pressure in control group, rats exposed to DEP exhibited a dose-dependent increase in systolic blood pressure, at 0.01mg/kg (P<0.05) and 0.02mg/kg (P<0.01). Likewise, the heart rate was also dose-dependently increased at 0.01mg/kg (P:NS) and 0.02mg/kg (P<0.01) compared to control SHR. DEP exposure (0.02mg/kg) significantly elevated the number of leukocytes in blood (P<0.05), interleukin-6 (IL-6, P<0.005), tumor necrosis factor alpha (P<0.05) and leukotriene B4 (LTB4, P<0.005) concentrations in plasma. Moreover, in SHR given 0.02mg/kg, the number of platelet was significantly reduced (P<0.05), whereas the tail bleeding time was prolonged (P<0.05). Pulmonary inflammations were confirmed by the presence of a significant increase in the number of macrophages (0.02mg/kg) and neutrophils (0.01 and 0.02mg/kg) and protein contents (0.02mg/kg) in bronchoalveolar lavage (BAL) compared to saline-treated SHR. Also, IL-6 (0.01mg/kg; P<0.05 and 0.02mg/kg; P<0.01), LTB4 (0.02mg/kg; P<0.05) concentrations in BAL and the superoxide dismutase activity (0.02mg/kg; P=0.01) were significantly elevated compared to control group. We conclude that, in SHR, the presence of DEP in the systemic circulation leads not only to cardiac and systemic changes, but also triggers pulmonary inflammatory reaction involving IL-6, LTB4 and oxidative stress.
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Affiliation(s)
- Abderrahim Nemmar
- Department of Physiology, United Arab Emirates University, Al Ain, United Arab Emirates.
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