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Jiang M, Hu CJ, Rowe CL, Kang H, Gong X, Dagucon CP, Wang J, Lin Y, Sood A, Guo Y, Zhu Y, Alexis NE, Gilliland FD, Belinsky SA, Yu X, Leng S. Application of artificial intelligence in quantifying lung deposition dose of black carbon in people with exposure to ambient combustion particles. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2023:10.1038/s41370-023-00607-0. [PMID: 37848612 PMCID: PMC11021374 DOI: 10.1038/s41370-023-00607-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 09/19/2023] [Accepted: 10/04/2023] [Indexed: 10/19/2023]
Abstract
BACKGROUND Understanding lung deposition dose of black carbon is critical to fully reconcile epidemiological evidence of combustion particles induced health effects and inform the development of air quality metrics concerning black carbon. Macrophage carbon load (MaCL) is a novel cytology method that quantifies lung deposition dose of black carbon, however it has limited feasibility in large-scale epidemiological study due to the labor-intensive manual counting. OBJECTIVE To assess the association between MaCL and episodic elevation of combustion particles; to develop artificial intelligence based counting algorithm for MaCL assay. METHODS Sputum slides were collected during episodic elevation of ambient PM2.5 (n = 49, daily PM2.5 > 10 µg/m3 for over 2 weeks due to wildfire smoke intrusion in summer and local wood burning in winter) and low PM2.5 period (n = 39, 30-day average PM2.5 < 4 µg/m3) from the Lovelace Smokers cohort. RESULTS Over 98% individual carbon particles in macrophages had diameter <1 µm. MaCL levels scored manually were highly responsive to episodic elevation of ambient PM2.5 and also correlated with lung injury biomarker, plasma CC16. The association with CC16 became more robust when the assessment focused on macrophages with higher carbon load. A Machine-Learning algorithm for Engulfed cArbon Particles (MacLEAP) was developed based on the Mask Region-based Convolutional Neural Network. MacLEAP algorithm yielded excellent correlations with manual counting for number and area of the particles. The algorithm produced associations with ambient PM2.5 and plasma CC16 that were nearly identical in magnitude to those obtained through manual counting. IMPACT STATEMENT Understanding lung black carbon deposition is crucial for comprehending health effects of combustion particles. We developed "Machine-Learning algorithm for Engulfed cArbon Particles (MacLEAP)", the first artificial intelligence algorithm for quantifying airway macrophage black carbon. Our study bolstered the algorithm with more training images and its first use in air pollution epidemiology. We revealed macrophage carbon load as a sensitive biomarker for heightened ambient combustion particles due to wildfires and residential wood burning.
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Affiliation(s)
- Menghui Jiang
- School of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Chelin Jamie Hu
- College of Nursing, University of New Mexico College of Nursing, Albuquerque, NM, USA
| | - Cassie L Rowe
- School of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Huining Kang
- School of Medicine, University of New Mexico, Albuquerque, NM, USA
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, USA
| | - Xi Gong
- Department of Geography & Environmental Studies, University of New Mexico, Albuquerque, NM, USA
| | | | - Jialiang Wang
- School of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Yan Lin
- Department of Geography & Environmental Studies, University of New Mexico, Albuquerque, NM, USA
| | - Akshay Sood
- School of Medicine, University of New Mexico, Albuquerque, NM, USA
- Miners Colfax Medical Center, Raton, NM, USA
| | - Yan Guo
- School of Medicine, University of New Mexico, Albuquerque, NM, USA
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, USA
| | - Yiliang Zhu
- School of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Neil E Alexis
- Center for Environmental Medicine Asthma and Lung Biology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Frank D Gilliland
- Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Steven A Belinsky
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, USA
- Lung Cancer Program, Lovelace Biomedical Research Institute, Albuquerque, NM, USA
| | - Xiaozhong Yu
- College of Nursing, University of New Mexico College of Nursing, Albuquerque, NM, USA.
| | - Shuguang Leng
- School of Medicine, University of New Mexico, Albuquerque, NM, USA.
- University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, USA.
- Lung Cancer Program, Lovelace Biomedical Research Institute, Albuquerque, NM, USA.
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Chen M, Xu K, He Y, Jin J, Mao R, Gao L, Zhang Y, Wang G, Gao P, Xie M, Liu C, Chen Z. CC16 as an Inflammatory Biomarker in Induced Sputum Reflects Chronic Obstructive Pulmonary Disease (COPD) Severity. Int J Chron Obstruct Pulmon Dis 2023; 18:705-717. [PMID: 37139166 PMCID: PMC10150740 DOI: 10.2147/copd.s400999] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 04/06/2023] [Indexed: 05/05/2023] Open
Abstract
Purpose The progression of an abnormal inflammatory response plays a crucial role in the lung function decline of chronic obstructive pulmonary disease (COPD) patients. Compared to serum biomarkers, inflammatory biomarkers in induced sputum would be a more reliable reflection of inflammatory processes in the airways. Patients and Methods A total of 102 COPD participants were divided into a mild-to-moderate group (FEV1%pred≥ 50%, n=57) and a severe-to-very-severe group (FEV1%pred<50%, n=45). We measured a series of inflammatory biomarkers in induced sputum and analyzed their association with lung function and SGRQ in COPD patients. To evaluate the relationship between inflammatory biomarkers and the inflammatory phenotype, we also analyzed the correlation between biomarkers and airway eosinophilic phenotype. Results We found increased mRNA levels of MMP9, LTB4R, and A1AR and decreased levels of CC16 mRNA in induced sputum in the severe-to-very-severe group. After adjustment for age, sex and other biomarkers, CC16 mRNA expression was positively associated with FEV1%pred (r=0.516, p=0.004) and negatively correlated with SGRQ scores (r=-0.3538, p=0.043). As previously known, decreased CC16 was related to the migration and aggregation of eosinophils in airway. It was also found that CC16 had a moderate negative correlation with the eosinophilic inflammation in airway (r=-0.363, p=0.045) in our COPD patients. Conclusion Low CC16 mRNA expression levels in induced sputum were associated with low FEV1%pred and a high SGRQ score in COPD patients. Sputum CC16 as a potential biomarker for predicting COPD severity in clinical practice might attribute to the involvement of CC16 in airway eosinophilic inflammation.
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Affiliation(s)
- Mengjie Chen
- Department of Respiratory and Critical Care Medicine of Zhongshan Hospital, Shanghai Institute of Respiratory Disease, Fudan University, Shanghai, People’s Republic of China
| | - Kan Xu
- Geriatric Department of Zhongshan Hospital, Shanghai Institute of Respiratory Disease, Fudan University, Shanghai, People’s Republic of China
| | - Yuting He
- Department of Respiratory and Critical Care Medicine of Zhongshan Hospital, Shanghai Institute of Respiratory Disease, Fudan University, Shanghai, People’s Republic of China
| | - Jianjun Jin
- Research Center of Zhongshan Hospital, Fudan University, Shanghai, People’s Republic of China
| | - Ruolin Mao
- Department of Respiratory and Critical Care Medicine of Zhongshan Hospital, Shanghai Institute of Respiratory Disease, Fudan University, Shanghai, People’s Republic of China
| | - Lei Gao
- Department of Respiratory and Critical Care Medicine of Zhongshan Hospital, Shanghai Institute of Respiratory Disease, Fudan University, Shanghai, People’s Republic of China
| | - Yi Zhang
- Air Liquide Holding Co., Ltd, Shanghai, People’s Republic of China
| | - Gang Wang
- Department of Respiratory and Critical Care Medicine, Clinical Research Center for Respiratory Disease, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
| | - Peng Gao
- Department of Respiratory Medicine, The Second Affiliated Hospital of Jilin University, Changchun, People’s Republic of China
| | - Min Xie
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, Tongji Medical 10 College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Chunfang Liu
- Department of Laboratory Medicine, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, People’s Republic of China
- Chunfang Liu, Department of Laboratory Medicine, Huashan Hospital, Shanghai Medical College, Fudan University, 12# Wlmq Road, Shanghai, People’s Republic of China, Email
| | - Zhihong Chen
- Department of Respiratory and Critical Care Medicine of Zhongshan Hospital, Shanghai Institute of Respiratory Disease, Fudan University, Shanghai, People’s Republic of China
- Correspondence: Zhihong Chen, Department of Respiratory and Critical Care Medicine of Zhongshan Hospital, No. 180 Fenglin Road, Shanghai, People’s Republic of China, Tel +86-21-64041990-2445, Fax +86-21-64187165, Email
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Wei X, Tang X, Liu N, Liu Y, Guan G, Liu Y, Wu X, Liu Y, Wang J, Dong H, Wang S, Zheng Y. PyCoCa:A quantifying tool of carbon content in airway macrophage for assessment the internal dose of particles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 851:158103. [PMID: 35988636 DOI: 10.1016/j.scitotenv.2022.158103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/09/2022] [Accepted: 08/13/2022] [Indexed: 06/15/2023]
Abstract
Given the lack of a comprehensive understanding of the complex metabolism and variable exposure environment, carbon particles in macrophages have become a potentially valuable biomarker to assess the exposure level of atmospheric particles, such as black carbon. However, the tedious and subjective quantification method limits the application of carbon particles as a valid biomarker. Aiming to obtain an accurate carbon particles quantification method, the deep learning and binarization algorithm were implemented to develop a quantitative tool for carbon content in airway macrophage (CCAM), named PyCoCa. Two types of macrophages, normal and foamy appearance, were applied for the development of PyCoCa. In comparison with the traditional methods, PyCoCa significantly improves the identification efficiency for over 100 times. Consistency assessment with the gold standard revealed that PyCoCa exhibits outstanding prediction ability with the Interclass Correlation Coefficient (ICC) values of over 0.80. And a proper fresh dye will enhance the performance of PyCoCa (ICC = 0.89). Subsequent sensitivity analysis confirmed an excellent performance regarding accuracy and robustness of PyCoCa under high/low exposure environments (sensitivity > 0.80). Furthermore, a successful application of our quantitative tool in cohort studies indicates that carbon particles induce macrophage foaming and the foaming decrease the carbon particles internalization in reverse. Our present study provides a robust and efficient tool to accurately quantify the carbon particles loading in macrophage for exposure assessment.
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Affiliation(s)
- Xiaoran Wei
- Department of Occupational and Environmental Health, School of Public Health, Qingdao University, Qingdao 266071, China
| | - Xiaowen Tang
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao 266071, China
| | - Nan Liu
- Department of Occupational and Environmental Health, School of Public Health, Qingdao University, Qingdao 266071, China
| | - Yuansheng Liu
- Department of Occupational and Environmental Health, School of Public Health, Qingdao University, Qingdao 266071, China
| | - Ge Guan
- Department of Occupational and Environmental Health, School of Public Health, Qingdao University, Qingdao 266071, China
| | - Yi Liu
- College of Computer Science and Technology, Ocean University of China, Qingdao, China
| | - Xiaohan Wu
- College of Computer Science and Technology, Ocean University of China, Qingdao, China
| | - Yingjie Liu
- Department of Occupational and Environmental Health, School of Public Health, Qingdao University, Qingdao 266071, China
| | - Jingwen Wang
- Department of Occupational and Environmental Health, School of Public Health, Qingdao University, Qingdao 266071, China
| | - Hanqi Dong
- Department of Occupational and Environmental Health, School of Public Health, Qingdao University, Qingdao 266071, China
| | - Shengke Wang
- College of Computer Science and Technology, Ocean University of China, Qingdao, China.
| | - Yuxin Zheng
- Department of Occupational and Environmental Health, School of Public Health, Qingdao University, Qingdao 266071, China.
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Tejwani V, Woo H, Liu C, Tillery AK, Gassett AJ, Kanner RE, Hoffman EA, Martinez FJ, Woodruff PG, Barr RG, Fawzy A, Koehler K, Curtis JL, Freeman CM, Cooper CB, Comellas AP, Pirozzi C, Paine R, Tashkin D, Krishnan JA, Sack C, Putcha N, Paulin LM, Zusman M, Kaufman JD, Alexis NE, Hansel NN. Black carbon content in airway macrophages is associated with increased severe exacerbations and worse COPD morbidity in SPIROMICS. Respir Res 2022; 23:310. [PMID: 36376879 PMCID: PMC9664618 DOI: 10.1186/s12931-022-02225-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 10/19/2022] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Airway macrophages (AM), crucial for the immune response in chronic obstructive pulmonary disease (COPD), are exposed to environmental particulate matter (PM), which they retain in their cytoplasm as black carbon (BC). However, whether AM BC accurately reflects environmental PM2.5 exposure, and can serve as a biomarker of COPD outcomes, is unknown. METHODS We analyzed induced sputum from participants at 7 of 12 sites SPIROMICS sites for AM BC content, which we related to exposures and to lung function and respiratory outcomes. Models were adjusted for batch (first vs. second), age, race (white vs. non-white), income (<$35,000, $35,000~$74,999, ≥$75,000, decline to answer), BMI, and use of long-acting beta-agonist/long-acting muscarinic antagonists, with sensitivity analysis performed with inclusion of urinary cotinine and lung function as covariates. RESULTS Of 324 participants, 143 were current smokers and 201 had spirometric-confirmed COPD. Modeled indoor fine (< 2.5 μm in aerodynamic diameter) particulate matter (PM2.5) and urinary cotinine were associated with higher AM BC. Other assessed indoor and ambient pollutant exposures were not associated with higher AM BC. Higher AM BC was associated with worse lung function and odds of severe exacerbation, as well as worse functional status, respiratory symptoms and quality of life. CONCLUSION Indoor PM2.5 and cigarette smoke exposure may lead to increased AM BC deposition. Black carbon content in AMs is associated with worse COPD morbidity in current and former smokers, which remained after sensitivity analysis adjusting for cigarette smoke burden. Airway macrophage BC, which may alter macrophage function, could serve as a predictor of experiencing worse respiratory symptoms and impaired lung function.
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Affiliation(s)
- Vickram Tejwani
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA.
- Respiratory Institute, Cleveland Clinic, 9500 Euclid Avenue, A90, 44195, Cleveland, OH, USA.
| | - Han Woo
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Chen Liu
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Anna K Tillery
- Center for Environmental Medicine, Asthma, and Lung Biology, Division of Allergy and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Amanda J Gassett
- Division of Pulmonary and Critical Care Medicine, University of Washington, Seattle, WA, USA
| | - Richard E Kanner
- Division of Respiratory, Critical Care and Occupational Medicine, University of Utah, Salt Lake City, UT, USA
| | - Eric A Hoffman
- Department of Radiology, Medicine and Biomedical Engineering, University of Iowa, Iowa City, IA, USA
| | - Fernando J Martinez
- Division of Pulmonology and Critical Care Medicine, Weill-Cornell Medical Center, Cornell University, New York, NY, USA
| | - Prescott G Woodruff
- Division of Pulmonary, Critical Care and Sleep Medicine, University of California San Francisco, San Francisco, CA, USA
| | - R Graham Barr
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York, USA
| | - Ashraf Fawzy
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Kirsten Koehler
- Environmental Health and Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Jeffrey L Curtis
- Pulmonary and Critical Care Medicine Division, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI, USA
- Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI, USA
| | - Christine M Freeman
- Pulmonary and Critical Care Medicine Division, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI, USA
- Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI, USA
| | - Christopher B Cooper
- Division of Pulmonary and Critical Care Medicine, University of California Los Angeles Medical Center, Los Angeles, CA, USA
| | - Alejandro P Comellas
- Division of Pulmonary, Critical Care, and Occupational Medicine, College of Medicine, University of Iowa, Iowa City, IA, USA
| | | | - Robert Paine
- University of Utah Hospital, Salt Lake City, UT, USA
| | - Donald Tashkin
- Division of Pulmonary and Critical Care Medicine, University of California Los Angeles Medical Center, Los Angeles, CA, USA
| | - Jerry A Krishnan
- Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Coralynn Sack
- Division of Pulmonary and Critical Care Medicine, University of Washington, Seattle, WA, USA
| | - Nirupama Putcha
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Laura M Paulin
- Pulmonary/Critical Care, Dartmouth Hitchcock Medical Center, Lebanon, NH, USA
| | - Marina Zusman
- Division of Pulmonary and Critical Care Medicine, University of Washington, Seattle, WA, USA
| | - Joel D Kaufman
- Division of Pulmonary and Critical Care Medicine, University of Washington, Seattle, WA, USA
| | - Neil E Alexis
- Center for Environmental Medicine, Asthma, and Lung Biology, Division of Allergy and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Nadia N Hansel
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA
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