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Lee J, Bambrick M, Lau A, Tarlo SM, McInnis M. Computed Tomography of Contemporary Occupational Lung Disease: A Pictorial Review. Diagnostics (Basel) 2024; 14:1786. [PMID: 39202274 PMCID: PMC11353255 DOI: 10.3390/diagnostics14161786] [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: 07/09/2024] [Revised: 08/07/2024] [Accepted: 08/10/2024] [Indexed: 09/03/2024] Open
Abstract
Occupational lung disease remains one of the most common work-related illnesses and accounts for most deaths from occupational illness. Occupational lung diseases often have delayed manifestation over decades and nonspecific clinical presentations, making it challenging for clinicians to promptly identify the disease and implement preventive measures. Radiologists play a crucial role in identifying and diagnosing occupational lung diseases, allowing for removal of the exposure and early medical intervention. In this review, we share our clinical and radiologic approach to diagnosing occupational lung disease and its subtypes. A collection of sample cases of occupational lung diseases commonly encountered in the modern era at a large Canadian university hospital is included to facilitate understanding. This review will provide radiologists with valuable insights into recognizing and diagnosing occupational lung diseases.
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Affiliation(s)
- Jimin Lee
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Marie Bambrick
- Department of Medical Imaging, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A1, Canada
- Department of Medical Imaging, Toronto General Hospital, Toronto, ON M5G 2C4, Canada
| | - Ambrose Lau
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada
- Division of Respirology, University Health Network, Toronto, ON M5T 2S8, Canada
| | - Susan M. Tarlo
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada
- Division of Respirology, University Health Network, Toronto, ON M5T 2S8, Canada
| | - Micheal McInnis
- Department of Medical Imaging, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A1, Canada
- Department of Medical Imaging, Toronto General Hospital, Toronto, ON M5G 2C4, Canada
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Hsu JY, Chu FY, Wang PH, Wu ML. Unusual hard metal lung disease: bronchiolocentric interstitial pneumonia. Occup Med (Lond) 2024; 74:323-327. [PMID: 38702919 DOI: 10.1093/occmed/kqae030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2024] Open
Abstract
A 38-year-old woman experienced a persistent dry cough and progressively worsening dyspnoea for 2 years. Spirometry testing revealed a moderate-to-severe restrictive abnormality. High-resolution chest computed tomography showed diffuse reticulonodular opacities. A lung biopsy disclosed alveolar parenchymal inflammation and fibrosis with bronchiolocentric features, prompting consideration of interstitial pneumonia. Following a thorough investigation of her occupational history and an on-site inspection, it was discovered that the patient had been grinding drill bits designed for printed circuit boards for 8 years, exposing her to hard metals. Mineralogical analyses confirmed excessive tungsten in urine, serum and hair, leading to a diagnosis of hard metal lung disease due to tungsten carbide-cobalt exposure. After discontinuing exposure and commencing corticosteroid therapy, her symptoms, pulmonary function and imaging showed modest improvement. This case highlights the significance of assessing occupational history in patients with interstitial pneumonia and understanding industrial hazards for accurate diagnosis and care.
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Affiliation(s)
- J-Y Hsu
- Department of Occupational Medicine and Clinical Toxicology, Taipei Veterans General Hospital, Taipei, Taiwan
- Office of Preventive Medicine, Centers for Disease Control, Ministry of Health and Welfare, Taipei, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - F-Y Chu
- Department of Occupational Medicine and Clinical Toxicology, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - P-H Wang
- Department of Occupational Medicine and Clinical Toxicology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - M-L Wu
- Department of Occupational Medicine and Clinical Toxicology, Taipei Veterans General Hospital, Taipei, Taiwan
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Environmental and Occupational Health Sciences, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
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Barnes H, Glaspole I. Occupational Interstitial Lung Diseases. Immunol Allergy Clin North Am 2023; 43:323-339. [PMID: 37055091 DOI: 10.1016/j.iac.2023.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
Occupational exposures are directly causal or partially contributory to the development of interstitial lung diseases. A detailed occupational history, relevant high-resolution computed tomography findings, and where relevant additional histopathology, are required to make a diagnosis. Treatment options are limited, and further exposure avoidance is likely to reduce disease progression.
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Roach K, Roberts J. A comprehensive summary of disease variants implicated in metal allergy. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2022; 25:279-341. [PMID: 35975293 PMCID: PMC9968405 DOI: 10.1080/10937404.2022.2104981] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Allergic disease represents one of the most prominent global public health crises of the 21st century. Although many different substances are known to produce hypersensitivity responses, metals constitute one of the major classes of allergens responsible for a disproportionately large segment of the total burden of disease associated with allergy. Some of the most prevalent forms of metal allergy - including allergic contact dermatitis - are well-recognized; however, to our knowledge, a comprehensive review of the many unique disease variants implicated in human cases of metal allergy is not available within the current scientific literature. Consequently, the main goal in composing this review was to (1) generate an up-to-date reference document containing this information to assist in the efforts of lab researchers, clinicians, regulatory toxicologists, industrial hygienists, and other scientists concerned with metal allergy and (2) identify knowledge gaps related to disease. Accordingly, an extensive review of the scientific literature was performed - from which, hundreds of publications describing cases of metal-specific allergic responses in human patients were identified, collected, and analyzed. The information obtained from these articles was then used to compile an exhaustive list of distinctive dermal/ocular, respiratory, gastrointestinal, and systemic hypersensitivity responses associated with metal allergy. Each of these disease variants is discussed briefly within this review, wherein specific metals implicated in each response type are identified, underlying immunological mechanisms are summarized, and major clinical presentations of each reaction are described.Abbreviations: ACD: allergic contact dermatitis, AHR: airway hyperreactivity, ASIA: autoimmune/ autoinflammatory syndrome induced by adjuvants, BAL: bronchoalveolar lavage, CBD: chronic beryllium disease, CTCL: cutaneous T-cell lymphoma, CTL: cytotoxic T-Lymphocyte, DRESS: drug reaction with eosinophilia and systemic symptoms, GERD: gastro-esophageal reflux disease, GI: gastrointestinal, GIP: giant cell interstitial pneumonia, GM-CSF: granulocyte macrophage-colony stimulating factor, HMLD: hard metal lung disease, HMW: high molecular weight, IBS: irritable bowel syndrome, Ig: immunoglobulin, IL: interleukin, LMW: low molecular weight, PAP: pulmonary alveolar proteinosis, PPE: personal protective equipment, PRR: pathogen recognition receptor, SLE: systemic lupus erythematosus, SNAS: systemic nickel allergy syndrome, Th: helper T-cell, UC: ulcerative colitis, UV: ultraviolet.
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Affiliation(s)
- Ka Roach
- Allergy and Clinical Immunology Branch (ACIB), National Institute of Occupational Safety and Health (NIOSH), Morgantown, WV, USA
| | - Jr Roberts
- Allergy and Clinical Immunology Branch (ACIB), National Institute of Occupational Safety and Health (NIOSH), Morgantown, WV, USA
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Sarwate M, Vrbenska A, Cummings K, Tazelaar HD. Unusual pneumoconiosis in two patients with heavy print toner, and paper dust exposure. Am J Ind Med 2020; 63:821-827. [PMID: 32597538 PMCID: PMC7496873 DOI: 10.1002/ajim.23147] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/24/2020] [Accepted: 06/12/2020] [Indexed: 11/21/2022]
Abstract
Workers in a print shop are exposed to photocopier toner dust and paper dust over a prolonged period of time. However, there are only rare case reports of toner and paper dust induced lung damage in humans. We reviewed our consultation files for a period of 30 years from 1987 to 2018 to look for cases with a diagnosis of giant cell interstitial pneumonia (GIP), printer toner exposure and paper dust exposure resulting in lung disease. There were two cases which met our inclusion criteria. Slides, clinical histories and imaging were reviewed. Both the patients had worked in print shops, and had no history of exposure to hard metals. Patient 1 presented with shortness of breath and cough over several months, while patient 2 was asymptomatic at presentation. Both the patients underwent surgical lung biopsies. Histopathologic examination from both the cases showed a spectrum of pathology, including features of GIP, desquamative interstitial pneumonia, chronic bronchiolitis with lymphoid hyperplasia, and particulate matter consistent with toner. Energy dispersive spectroscopy was performed on one case, and it revealed no cobalt or tungsten particles. The unusual combination of findings is very suggestive that toner particles with or without paper dust exposure were responsible for the pathologic changes in the lungs of these patients. This possibility should be explored further with additional patients who work in print shops where they are exposed to paper dust and paper toner and have signs or symptoms of diffuse lung disease.
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Affiliation(s)
- Mrinal Sarwate
- Department of Laboratory Medicine and PathologyMayo ClinicScottsdale Arizona
| | - Adela Vrbenska
- Department of Pathology, National Institute for TBLung Diseases and Thoracic SurgeryVysne Tatry Slovakia
| | | | - Henry D. Tazelaar
- Department of Laboratory Medicine and PathologyMayo ClinicScottsdale Arizona
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Abstract
A 61-year-old man was referred to our hospital with dyspnea and an abnormal lung shadow. His occupational history, pathological findings, and an elemental analysis led to a definitive diagnosis of pneumoconiosis induced by titanium grindings. The patient experienced gradual improvement solely by avoiding titanium grindings. Titanium-induced lung disease is very rare, and most of these cases are caused by inhalation of titanium dioxide (TiO2), which is included in a wide range of commercially available products, such as paints, pigments, and cosmetics. However, industrial workers can also develop lung diseases due to the inhalation of metallic titanium materials during metal grinding.
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Affiliation(s)
- Yuki Iijima
- The Department of Respiratory Medicine, Tokyo Medical and Dental University, Japan
| | - Tomoya Tateishi
- The Department of Respiratory Medicine, Tokyo Medical and Dental University, Japan
| | - Kimitake Tsuchiya
- The Department of Respiratory Medicine, Tokyo Medical and Dental University, Japan
| | - Yuki Sumi
- The Department of Respiratory Medicine, Tokyo Medical and Dental University, Japan
| | - Takumi Akashi
- The Department of Pathology, Tokyo Medical and Dental University, Japan
| | - Yasunari Miyazaki
- The Department of Respiratory Medicine, Tokyo Medical and Dental University, Japan
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Paganelli M, Fostinelli J, Renzetti S, Sarnico M, Tomasi C, Lovreglio P, Pilia I, Lecca LI, De Palma G. Occupational low-level exposure to hard metals: cobalt and tungsten biomonitoring as an effective tool to evaluate the effectiveness of industrial hygiene interventions for risk management. Biomarkers 2020; 25:179-185. [PMID: 31996048 DOI: 10.1080/1354750x.2020.1724195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Purpose: The aim of the study was to assess the exposure to Cobalt (Co) and Tungsten (W) in a group of hard metal tool sharpeners through a combined approach of air and biological monitoring, and to evaluate the effectiveness of a control and improvement intervention carried out in collaboration with the medical officers of the local Health Protection Agency, by biomonitoring.Methods: We enrolled 132 workers from 17 companies of the province of Brescia, northern Italy. The study was performed in two phases: (1) an environmental and biomonitoring survey to assess the workers' exposure to Co and W at their usual working conditions; (2) a further biomonitoring survey 3 months after the enforcement of a control and improvement intervention, to assess its effectiveness.Results: Workers were found to be exposed to low concentration of airborne dust containing Co and W but after the intervention we recorded a significant decrease of the urinary concentrations of both Co and W. The extent of the decrease was correlated to the number of preventive industrial hygiene interventions that were carried out.Conclusions: Biological monitoring of Co and W in the hard metal tools manufacturing industry is a sensitive and effective method to evaluate the effectiveness of prevention practices.
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Affiliation(s)
- M Paganelli
- Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, Section of Public Health and Human Sciences, University of Brescia, Brescia, Italy
| | - J Fostinelli
- Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, Section of Public Health and Human Sciences, University of Brescia, Brescia, Italy
| | - S Renzetti
- Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, Section of Public Health and Human Sciences, University of Brescia, Brescia, Italy
| | - M Sarnico
- Unit of Prevention and Safety in Workplaces, Health Protection Agency of Brescia, Italy
| | - C Tomasi
- Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, Section of Public Health and Human Sciences, University of Brescia, Brescia, Italy
| | - P Lovreglio
- Interdisciplinary Department of Medicine, Section of Occupational Medicine "E.C. Vigliani", University of Bari Aldo Moro, Bari, Italy
| | - I Pilia
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - L I Lecca
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - G De Palma
- Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, Section of Public Health and Human Sciences, University of Brescia, Brescia, Italy
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8
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Wei Y, Chen P, Yue H, Sheng G, Chu J, Zhang HL. WITHDRAWN: An exceptional case of giant cell interstitial pneumonia with multi-organ involvement and review of the literature. Respir Med Case Rep 2019. [DOI: 10.1016/j.rmcr.2019.100907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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10
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Sergio P, Ceruti M, Manotti L, Manuguerra R, Ceruti P, Dell'Osso A. Hard metal lung disease: Unexpected CT findings. Indian J Radiol Imaging 2017; 27:256-259. [PMID: 28744090 PMCID: PMC5510327 DOI: 10.4103/ijri.ijri_404_16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- P Sergio
- Department of Radiology, Azienda Ospedaliera di Cremona, Cremona, Italy E-mail:
| | - M Ceruti
- Department of Pneumology, Azienda Ospedaliera di Cremona, Cremona, Italy
| | - L Manotti
- Department of Pathology, Azienda Ospedaliera di Cremona, Cremona, Italy
| | - R Manuguerra
- Division of Pathology, Azienda Ospedaliera di Parma, Parma, Italy
| | - P Ceruti
- Department of Pneumology, Azienda Ospedaliera di Cremona, Cremona, Italy
| | - A Dell'Osso
- Department of Radiology, Azienda Ospedaliera di Cremona, Cremona, Italy E-mail:
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11
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Adams TN, Butt YM, Batra K, Glazer CS. Cobalt related interstitial lung disease. Respir Med 2017; 129:91-97. [PMID: 28732841 DOI: 10.1016/j.rmed.2017.06.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 05/01/2017] [Accepted: 06/13/2017] [Indexed: 11/28/2022]
Abstract
Cobalt exposure in the hard metal and bonded diamond tool industry is a well-established cause of ILD. The primary theories regarding the underlying mechanism of cobalt related ILD include an immunologic mechanism and an oxidant injury mechanism. Cobalt related ILD may present in subacute and chronic forms and often has associated upper respiratory symptoms. The evaluation begins with a thorough occupational history and includes PFTs, HRCT, and bronchoalveolar lavage. HRCT findings are nonspecific and may resemble NSIP, UIP, sarcoidosis, or HP. The finding of cannibalistic multinucleated giant cells is diagnostic provided there is a history of exposure and appropriate changes on imaging; however, when these cells are not found on lavage, lung biopsy is required for diagnosis. Giant cell interstitial pneumonia is the classic pathologic pattern, but cobalt related ILD may also present with pathologic findings of UIP, DIP, or HP. When cobalt related ILD is suspected, removal from exposure is the most important step in treatment. Case reports suggest that treatment with steroids results in symptomatic, physiologic, and radiographic improvement.
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Affiliation(s)
- Traci N Adams
- University of Texas Southwestern Medical Center, Department of Pulmonary and Critical Care Medicine, United States.
| | - Yasmeen M Butt
- University of Texas Southwestern Medical Center, Department of Pathology, United States
| | - Kiran Batra
- University of Texas Southwestern Medical Center, Department of Radiology, United States
| | - Craig S Glazer
- University of Texas Southwestern Medical Center, Department of Pulmonary and Critical Care Medicine, United States
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12
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Armstead AL, Li B. In vitro inflammatory effects of hard metal (WC-Co) nanoparticle exposure. Int J Nanomedicine 2016; 11:6195-6206. [PMID: 27920526 PMCID: PMC5123731 DOI: 10.2147/ijn.s121141] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Identifying the toxicity of nanoparticles (NPs) is an important area of research as the number of nanomaterial-based consumer and industrial products continually rises. In addition, the potential inflammatory effects resulting from pulmonary NP exposure are emerging as an important aspect of nanotoxicity. In this study, the toxicity and inflammatory state resulting from tungsten carbide–cobalt (WC–Co) NP exposure in macrophages and a coculture (CC) of lung epithelial cells (BEAS-2B) and macrophages (THP-1) at a 3:1 ratio were examined. It was found that the toxicity of nano-WC–Co was cell dependent; significantly less toxicity was observed in THP-1 cells compared to BEAS-2B cells. It was demonstrated that nano-WC–Co caused reduced toxicity in the CC model compared to lung epithelial cell monoculture, which suggested that macrophages may play a protective role against nano-WC–Co-mediated toxicity in CCs. Nano-WC–Co exposure in macrophages resulted in increased levels of interleukin (IL)-1β and IL-12 secretion and decreased levels of tumor necrosis factor alpha (TNFα). In addition, the polarizing effects of nano-WC–Co exposure toward the M1 (pro-inflammatory) and M2 (anti-inflammatory) macrophage phenotypes were investigated. The results of this study indicated that nano-WC–Co exposure stimulated the M1 phenotype, marked by high expression of CD40 M1 macrophage surface markers.
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Affiliation(s)
- Andrea L Armstead
- Department of Orthopaedics, School of Medicine; School of Pharmacy, West Virginia University
| | - Bingyun Li
- Department of Orthopaedics, School of Medicine; School of Pharmacy, West Virginia University; Mary Babb Randolph Cancer Center, Morgantown, WV, USA
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Wang Z, Zhu W, Qiu Y, Yi X, von dem Bussche A, Kane A, Gao H, Koski K, Hurt R. Biological and environmental interactions of emerging two-dimensional nanomaterials. Chem Soc Rev 2016; 45:1750-80. [PMID: 26923057 PMCID: PMC4820079 DOI: 10.1039/c5cs00914f] [Citation(s) in RCA: 127] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Two-dimensional materials have become a major focus in materials chemistry research worldwide with substantial efforts centered on synthesis, property characterization, and technological application. These high-aspect ratio sheet-like solids come in a wide array of chemical compositions, crystal phases, and physical forms, and are anticipated to enable a host of future technologies in areas that include electronics, sensors, coatings, barriers, energy storage and conversion, and biomedicine. A parallel effort has begun to understand the biological and environmental interactions of synthetic nanosheets, both to enable the biomedical developments and to ensure human health and safety for all application fields. This review covers the most recent literature on the biological responses to 2D materials and also draws from older literature on natural lamellar minerals to provide additional insight into the essential chemical behaviors. The article proposes a framework for more systematic investigation of biological behavior in the future, rooted in fundamental materials chemistry and physics. That framework considers three fundamental interaction modes: (i) chemical interactions and phase transformations, (ii) electronic and surface redox interactions, and (iii) physical and mechanical interactions that are unique to near-atomically-thin, high-aspect-ratio solids. Two-dimensional materials are shown to exhibit a wide range of behaviors, which reflect the diversity in their chemical compositions, and many are expected to undergo reactive dissolution processes that will be key to understanding their behaviors and interpreting biological response data. The review concludes with a series of recommendations for high-priority research subtopics at the "bio-nanosheet" interface that we hope will enable safe and successful development of technologies related to two-dimensional nanomaterials.
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Affiliation(s)
| | | | | | - Xin Yi
- School of Engineering, USA.
| | | | - Agnes Kane
- Department of Pathology and Laboratory Medicine, USA. and Institute for Molecular and Nanoscale Innovation, USA
| | | | - Kristie Koski
- Department of Chemistry, Brown University, Providence, RI 02912, USA.
| | - Robert Hurt
- School of Engineering, USA. and Institute for Molecular and Nanoscale Innovation, USA
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14
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Macrophage and Multinucleated Giant Cell Classification. CURRENT TOPICS IN ENVIRONMENTAL HEALTH AND PREVENTIVE MEDICINE 2016. [DOI: 10.1007/978-4-431-55732-6_1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Armstead AL, Minarchick VC, Porter DW, Nurkiewicz TR, Li B. Acute inflammatory responses of nanoparticles in an intra-tracheal instillation rat model. PLoS One 2015; 10:e0118778. [PMID: 25738830 PMCID: PMC4349695 DOI: 10.1371/journal.pone.0118778] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Accepted: 01/22/2015] [Indexed: 12/30/2022] Open
Abstract
Exposure to hard metal tungsten carbide cobalt (WC-Co) "dusts" in enclosed industrial environments is known to contribute to the development of hard metal lung disease and an increased risk for lung cancer. Currently, the influence of local and systemic inflammation on disease progression following WC-Co exposure remains unclear. To better understand the relationship between WC-Co nanoparticle (NP) exposure and its resultant effects, the acute local pulmonary and systemic inflammatory responses caused by WC-Co NPs were explored using an intra-tracheal instillation (IT) model and compared to those of CeO2 (another occupational hazard) NP exposure. Sprague-Dawley rats were given an IT dose (0-500 μg per rat) of WC-Co or CeO2 NPs. Following 24-hr exposure, broncho-alveolar lavage fluid and whole blood were collected and analyzed. A consistent lack of acute local pulmonary inflammation was observed in terms of the broncho-alveolar lavage fluid parameters examined (i.e. LDH, albumin, and macrophage activation) in animals exposed to WC-Co NP; however, significant acute pulmonary inflammation was observed in the CeO2 NP group. The lack of acute inflammation following WC-Co NP exposure contrasts with earlier in vivo reports regarding WC-Co toxicity in rats, illuminating the critical role of NP dose and exposure time and bringing into question the potential role of impurities in particle samples. Further, we demonstrated that WC-Co NP exposure does not induce acute systemic effects since no significant increase in circulating inflammatory cytokines were observed. Taken together, the results of this in vivo study illustrate the distinct differences in acute local pulmonary and systemic inflammatory responses to NPs composed of WC-Co and CeO2; therefore, it is important that the outcomes of pulmonary exposure to one type of NPs may not be implicitly extrapolated to other types of NPs.
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Affiliation(s)
- Andrea L. Armstead
- Biomaterials, Bioengineering & Nanotechnology Laboratory, Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, West Virginia, United States of America
- Pharmaceutical and Pharmacological Sciences Graduate Program, School of Pharmacy, West Virginia University, Morgantown, West Virginia, United States of America
| | - Valerie C. Minarchick
- Department of Physiology and Pharmacology, School of Medicine, West Virginia University, Morgantown, West Virginia, United States of America
- Center for Cardiovascular and Respiratory Sciences, Robert C. Byrd Health Sciences Center, School of Medicine, West Virginia University, Morgantown, West Virginia, United States of America
| | - Dale W. Porter
- Department of Physiology and Pharmacology, School of Medicine, West Virginia University, Morgantown, West Virginia, United States of America
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, United States of America
| | - Timothy R. Nurkiewicz
- Department of Physiology and Pharmacology, School of Medicine, West Virginia University, Morgantown, West Virginia, United States of America
- Center for Cardiovascular and Respiratory Sciences, Robert C. Byrd Health Sciences Center, School of Medicine, West Virginia University, Morgantown, West Virginia, United States of America
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, United States of America
| | - Bingyun Li
- Biomaterials, Bioengineering & Nanotechnology Laboratory, Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, West Virginia, United States of America
- Pharmaceutical and Pharmacological Sciences Graduate Program, School of Pharmacy, West Virginia University, Morgantown, West Virginia, United States of America
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, United States of America
- Mary Babb Randolph Cancer Center, Morgantown, West Virginia, United States of America
- * E-mail:
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16
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Armstead AL, Arena CB, Li B. Exploring the potential role of tungsten carbide cobalt (WC-Co) nanoparticle internalization in observed toxicity toward lung epithelial cells in vitro. Toxicol Appl Pharmacol 2014; 278:1-8. [PMID: 24746988 DOI: 10.1016/j.taap.2014.04.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 03/31/2014] [Accepted: 04/06/2014] [Indexed: 11/19/2022]
Abstract
Tungsten carbide cobalt (WC-Co) has been recognized as a workplace inhalation hazard in the manufacturing, mining and drilling industries by the National Institute of Occupational Safety and Health. Exposure to WC-Co is known to cause "hard metal lung disease" but the relationship between exposure, toxicity and development of disease remain poorly understood. To better understand this relationship, the present study examined the role of WC-Co particle size and internalization on toxicity using lung epithelial cells. We demonstrated that nano- and micro-WC-Co particles exerted toxicity in a dose- and time-dependent manner and that nano-WC-Co particles caused significantly greater toxicity at lower concentrations and shorter exposure times compared to micro-WC-Co particles. WC-Co particles in the nano-size range (not micron-sized) were internalized by lung epithelial cells, which suggested that internalization may play a key role in the enhanced toxicity of nano-WC-Co particles over micro-WC-Co particles. Further exploration of the internalization process indicated that there may be multiple mechanisms involved in WC-Co internalization such as actin and microtubule based cytoskeletal rearrangements. These findings support our hypothesis that WC-Co particle internalization contributes to cellular toxicity and suggest that therapeutic treatments inhibiting particle internalization may serve as prophylactic approaches for those at risk of WC-Co particle exposure.
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Affiliation(s)
- Andrea L Armstead
- Biomaterials, Bioengineering & Nanotechnology Laboratory, Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506, USA; Pharmaceutical and Pharmacological Sciences Graduate Program, School of Pharmacy, West Virginia University, Morgantown, WV 26506, USA
| | - Christopher B Arena
- Biomaterials, Bioengineering & Nanotechnology Laboratory, Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506, USA; E.J. Van Liere Research Program, School of Medicine, West Virginia University, Morgantown, WV 26506, USA
| | - Bingyun Li
- Biomaterials, Bioengineering & Nanotechnology Laboratory, Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506, USA; Pharmaceutical and Pharmacological Sciences Graduate Program, School of Pharmacy, West Virginia University, Morgantown, WV 26506, USA; E.J. Van Liere Research Program, School of Medicine, West Virginia University, Morgantown, WV 26506, USA; Mary Babb Randolph Cancer Center, Morgantown, WV 26506, USA.
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Giant cell interstitial pneumonia: an unusual finding in a case of preoperative death. Am J Forensic Med Pathol 2013; 34:110-4. [PMID: 23629398 DOI: 10.1097/paf.0b013e318288c6f5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Giant cell interstitial pneumonia (GIP) is an exceedingly rare, debatable, perplexing, occupational lung disease, which most commonly affects individuals exposed to hard metal dust. We report a case of GIP in a 60-year-old man, scheduled for coronary artery bypass graft surgery and died during induction of general anesthesia despite all efforts to resuscitate him. Patient's relatives lodged complaint with the police alleging the negligence by the attending physicians. Despite inaccessible data pertaining to the occupation, clinical history, and radiographic findings, the diagnosis was GIP due to the presence of intra-alveolar, bizarre, "cannibalistic" multinucleated giant cells-the histologic sine qua non of GIP. To the best of our knowledge, this is the first case report of GIP in the world literature that was diagnosed on histopathologic examination of lung tissue obtained at medicolegal autopsy.
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18
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Paris C, Pairon JC, Billon-Galland MA, Vanoni-Espiand H, Godbert B, Martinet Y, Chabot F, Aymard B, Vignaud JM. Giant cell interstitial pneumonia: report of two cases with high titanium concentration in the lung. Am J Respir Crit Care Med 2012; 184:1315-7. [PMID: 22162891 DOI: 10.1164/ajrccm.184.11.1315a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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19
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Montero MÁ, de Gracia J, Morell F. Enfermedad pulmonar intersticial por metales duros. Arch Bronconeumol 2010; 46:489-91. [DOI: 10.1016/j.arbres.2009.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2009] [Revised: 10/04/2009] [Accepted: 10/10/2009] [Indexed: 11/25/2022]
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20
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Bezerra PN, Vasconcelos AGA, Cavalcante LLA, Marques VBDV, Nogueira TNAG, Holanda MA. Hard metal lung disease in an oil industry worker. J Bras Pneumol 2010; 35:1254-8. [PMID: 20126930 DOI: 10.1590/s1806-37132009001200015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2009] [Accepted: 09/22/2009] [Indexed: 11/21/2022] Open
Abstract
Hard metal lung disease, which manifests as giant cell interstitial pneumonia, is caused by exposure to hard metal dust. We report the case of an oil industry worker diagnosed with hard metal lung disease. The diagnosis was based on the clinical, radiological and anatomopathological analysis, as well as on pulmonary function testing.
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Affiliation(s)
- Patrícia Nunes Bezerra
- Hospital Universitário Walter Cantídio, Universidade Federal do Ceará, Fortaleza, CE, Brasil
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21
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Warheit DB, Sayes CM, Frame SR, Reed KL. Pulmonary exposures to Sepiolite nanoclay particulates in rats: Resolution following multinucleate giant cell formation. Toxicol Lett 2010; 192:286-93. [DOI: 10.1016/j.toxlet.2009.11.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2009] [Revised: 10/31/2009] [Accepted: 11/02/2009] [Indexed: 11/26/2022]
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22
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Broding HC, Michalke B, Göen T, Drexler H. Comparison between exhaled breath condensate analysis as a marker for cobalt and tungsten exposure and biomonitoring in workers of a hard metal alloy processing plant. Int Arch Occup Environ Health 2008; 82:565-73. [PMID: 19034487 DOI: 10.1007/s00420-008-0390-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2007] [Accepted: 11/05/2008] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Cobalt (Co), Tungsten (W) and Tungsten Carbides (WC) are major constituents of hard metal alloys. Whereas little is known about potential health hazards due to tungsten carbide exposure, occupational exposure to cobalt has been shown to induce a variety of respiratory diseases. Since the concentration of a potentially hazardous substance in the target organ is the most meaningful risk indicator in occupational medicine, the detection of hard metals in exhaled breath condensate (EBC) has been proposed to be a valuable instrument. The present study examines the correlation of Co and W concentrations in EBC and urine with one another and various spirometrical and clinical parameters to scrutinize this potential. METHODS A total of 62 subjects (90.3% males, age 40.6 +/- 9.2 years) were recruited from a hard metal processing plant in Germany. Examinations included the airborne workplace exposure, a complete spirometry, measurements of Co and W concentrations in EBC and urine with high resolution inductive coupled plasma mass spectrometry (HR ICP-MS) and graphite furnace atomic absorption spectrometry (GFAAS). RESULTS Air concentrations ranged between 0.0019 mg/m(3) and 0.074 mg/m(3) for Co and 0.012 mg/m(3) and 0.021 mg/m(3) for W. Median urine concentrations and interquartile ranges of the exposed subjects ranged from 0.81 (0.0-1.46) microg/l for Co and 30.5 (14.5-57.7) microg/l for W. Median breath condensate metal concentrations and interquartile ranges ranged from 8.4 (5.0-13.9) microg/l for Co and 8.8 (4.4-18.5) microg/l for W. Urine concentrations of Co and W were closely related to the airborne workplace exposure that had been assessed by air monitoring. EBC concentrations of Co and W showed no correlations to urinary W and Co concentrations and the ambient monitoring results of the individual workplace, respectively. Cobalt EBC concentration was elevated in subjects who reported to have suffered from respiratory disease; both Co and W concentrations in EBC, however, decreased with increasing spirometrical signs of obstruction. CONCLUSION According to our study, urinary concentrations of Co and W seem to be more reliable indicators of current workplace exposure than EBC concentrations. As far as new methods and exposure matrices for valid concentration measurements in respiratory organs and possible hazardous effects--especially of cobalt--in the lung are concerned, the present results are less clear-cut, and further research is required.
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Affiliation(s)
- Horst Christoph Broding
- Institute and Outpatient Clinic for Occupational-, Social- and Environmental Medicine, Friedrich-Alexander-University Erlangen-Nuremberg, 91054 Erlangen, Germany.
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23
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Nawrot TS, Alfaro-Moreno E, Nemery B. Update in Occupational and Environmental Respiratory Disease 2007. Am J Respir Crit Care Med 2008; 177:696-700. [DOI: 10.1164/rccm.200801-116up] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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24
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Lombaert N, Lison D, Van Hummelen P, Kirsch-Volders M. In vitro expression of hard metal dust (WC-Co)--responsive genes in human peripheral blood mononucleated cells. Toxicol Appl Pharmacol 2007; 227:299-312. [PMID: 18078969 DOI: 10.1016/j.taap.2007.11.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2007] [Revised: 10/26/2007] [Accepted: 11/05/2007] [Indexed: 01/18/2023]
Abstract
Hard metals consist of tungsten carbide (WC) and metallic cobalt (Co) particles and are important industrial materials produced for their extreme hardness and high wear resistance properties. While occupational exposure to metallic Co alone is apparently not associated with an increased risk of cancer, the WC-Co particle mixture was shown to be carcinogenic in exposed workers. The in vitro mutagenic/apoptogenic potential of WC-Co in human peripheral blood mononucleated cells was previously demonstrated by us. This study aimed at obtaining a broader view of the pathways responsible for WC-Co induced carcinogenicity, and in particular genotoxicity and apoptosis. We analyzed the profile of gene expression induced in vitro by WC-Co versus control (24 h treatment) in human PBMC and monocytes using microarrays. The most significantly up-regulated pathways for WC-Co treated PBMC were apoptosis and stress/defense response; the most down-regulated was immune response. For WC-Co treated monocytes the most significantly up- and down-regulated pathways were nucleosome/chromatin assembly and immune response respectively. Quantitative RT-PCR data for a selection of the most strongly modulated genes (HMOX1, HSPA1A, HSPA1L, BNIP3, BNIP3L, ADORA2B, MT3, PLA2G7, TNFAIP6), and some additionally chosen apoptosis related genes (BCL2, BAX, FAS, FASL, TNFalpha), confirmed the microarray data after WC-Co exposure and demonstrated limited differences between the Co-containing compounds. Overall, this study provides the first analysis of gene expression induced by the WC-Co mixture showing a large profile of gene modulation and giving a preliminary indication for a hypoxia mimicking environment induced by WC-Co exposure.
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Affiliation(s)
- Noömi Lombaert
- Vrije Universiteit Brussel, Laboratorium voor Cellulaire Genetica, Pleinlaan 2, B-1050 Brussel, Belgium.
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Blanc PD. Is Giant Cell Interstitial Pneumonitis Synonymous with Hard Metal Lung Disease? Am J Respir Crit Care Med 2007; 176:834; author reply 834-5. [PMID: 17914126 DOI: 10.1164/ajrccm.176.8.834] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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