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Metintas M, Ak G, Metintas S. Environmental asbestos exposure and lung cancer. Lung Cancer 2024; 194:107850. [PMID: 38945005 DOI: 10.1016/j.lungcan.2024.107850] [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: 11/16/2023] [Revised: 05/21/2024] [Accepted: 06/06/2024] [Indexed: 07/02/2024]
Abstract
Apart from living near an asbestos industry site, mine, or in an asbestos-contaminated house, environmental asbestos exposure is observed in certain regions where the (natural) soil is 'contaminated' with asbestos (fibers). In this essay, we review the association between environmental asbestos exposure and lung cancer in Turkey. Other studies have also suggested that environmental asbestos exposure is able to increase the risk of lung cancer. Lung cancer associated with environmental asbestos exposure seems to be diagnosed at a younger age, and the risk for women is in the same range as that for men. Our data indicate that the relationship between exposure dose and risk is linear and that a safe threshold cannot be established. Therefore, people living in areas with increased chances of environmental asbestos exposure should be mentored to take part in smoking cessation programs and considered candidates for inclusion in lung cancer screening programs. There is an obvious need for additional studies on this topic.
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Affiliation(s)
- Muzaffer Metintas
- Eskisehir Osmangazi University Faculty of Medicine Department of Chest Diseases, Eskisehir, Turkey; Eskisehir Osmangazi University Lung and Pleural Cancers Clinical and Research Center, Turkey.
| | - Guntulu Ak
- Eskisehir Osmangazi University Faculty of Medicine Department of Chest Diseases, Eskisehir, Turkey; Eskisehir Osmangazi University Lung and Pleural Cancers Clinical and Research Center, Turkey
| | - Selma Metintas
- Eskisehir Osmangazi University Lung and Pleural Cancers Clinical and Research Center, Turkey; Eskisehir Osmangazi University Faculty of Medicine Department of Public Health, Turkey
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2
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Yang HY, Furuya S, Toyama N. Environmental asbestos exposure from nephrite jade mining and lung cancer. J Formos Med Assoc 2024; 123:796-801. [PMID: 38326151 DOI: 10.1016/j.jfma.2024.01.029] [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: 03/18/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/09/2024] Open
Abstract
BACKGROUND Nephrite is an asbestos mineral composed of tremolite and actinolite. Fengtian is a community where nephrite was mined between 1970 and 1980 and asbestos was mined between 1960 and 1985. The lung cancer risk to the surrounding community is unknown. AIMS To analyse the trend of lung cancer caused by environmental contamination from nephrite mining. METHODS We conducted a field survey of nephrite mines and tracked new cases of lung cancer from 1980 to 2019. We calculated the age-standardized incidence rates (ASIRs) and applied join-point regression to examine the lung cancer trend. We assessed the age effect, period effect, and birth cohort effect on lung cancer risk. RESULTS The nephrite mines were contaminated with chrysotile and tremolite/actinolite asbestos. A total of 278 new cases of lung cancer were reported during the study period. There was an apparent age effect and a slight period effect for lung cancer. After adjustment for the age and period effects, the birth cohort born between 1970 and 1980 during the period of nephrite mass production had the highest relative risk compared with other birth cohorts. The ASIR of lung cancer increased significantly from 1980 to 2010 (the annual percentage change = 6.8 %, 95 % CI: 4.0-9.7 %, P < 0.01) and then decreased 30 years after the cessation of nephrite jade mining. CONCLUSION Nephrite mining increases the risk of lung cancer in nearby communities.
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Affiliation(s)
- Hsiao-Yu Yang
- Institute of Environmental and Occupational Health Sciences, National Taiwan University College of Public Health, 10055, Taipei, Taiwan; Department of Public Health, National Taiwan University College of Public Health, 10055, Taipei, Taiwan; Department of Environmental and Occupational Medicine, National Taiwan University Hospital, 100225, Taipei, Taiwan; Population Health Research Center, National Taiwan University, Taiwan.
| | - Sugio Furuya
- Japan Occupational Safety and Health Resource Center, 136-0071, Tokyo, Japan
| | - Naoki Toyama
- Tokyo Occupational Safety and Health Center, 136-0071, Tokyo, Japan
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3
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Ledda C, Loreto C, Lombardo C, Cardile V, Rapisarda V. Mesothelin methylation, soluble mesothelin related protein levels and inflammation profiling in workers chronically exposed to naturally occurring asbestos fibers. Transl Oncol 2024; 40:101872. [PMID: 38134842 PMCID: PMC10751818 DOI: 10.1016/j.tranon.2023.101872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 12/10/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023] Open
Abstract
Exposure to asbestiform fibers, including chrysotile and amphibole, is carcinogenic, causing malignant pleural mesothelioma (MPM) when inhaled. Some populations globally face Naturally Occurring Asbestos (NOA) exposure, leading to MPM cases like in Biancavilla, Italy, from Fluoro-edenite (FE) contamination. Studies show NOA exposure causes epigenetic changes, focusing on mesothelin methylation, an MPM marker, and altered inflammation, emphasizing the health risks of FE and asbestos. This research, conducted from February 2022 to October 2022, studied 125 construction workers from Biancavilla and 125 controls from 40 km away without Biancavilla work history. With at least ten years in construction and no respiratory conditions, participants underwent medical assessments and gave blood samples for analysis, including inflammation markers, mesothelin methylation, and soluble mesothelin-related protein levels. The results showed similar demographics but differing inflammation and methylation levels in exposed workers, suggesting long-term cellular changes. Pearson correlation showed intricate biomarker relationships. Significant inflammatory differences were found between FE exposed and non-exposed workers, indicating potential health impacts from FE. This raises concerns for communities like Biancavilla, emphasizing the importance of extensive epigenetic research for public health.
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Affiliation(s)
- Caterina Ledda
- Occupational Medicine, Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy.
| | - Carla Loreto
- Human Anatomy and Histology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Claudia Lombardo
- Human Anatomy and Histology, Department of Medical and Surgical Sciences and Advanced Technologies, University of Catania, Catania, Italy
| | - Venera Cardile
- Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Venerando Rapisarda
- Occupational Medicine, Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
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Gaitens JM, Culligan M, Friedberg JS, Glass E, Reback M, Scilla KA, Sachdeva A, Atalla A, McDiarmid MA. Laying the Foundation for a Mesothelioma Patient Registry: Development of Data Collection Tools. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:4950. [PMID: 36981857 PMCID: PMC10049120 DOI: 10.3390/ijerph20064950] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/02/2023] [Accepted: 03/07/2023] [Indexed: 06/18/2023]
Abstract
Mesothelioma, a cancer of mesothelial cells that line the chest, lungs, heart, and abdomen, is a relatively rare disease. In the United States, approximately 3000 individuals are diagnosed with mesothelioma annually. The primary risk factor for mesothelioma is occupational asbestos exposure which can occur decades prior to disease development, though in approximately 20% of cases, known asbestos exposure is lacking. While several other countries have developed mesothelioma registries to collect key clinical and exposure data elements to allow better estimation of incidence, prevalence, and risk factors associated with disease development, no national mesothelioma registry exists in the U.S. Therefore, as part of a larger feasibility study, a patient exposure questionnaire and a clinical data collection tool were created using a series of key informant interviews. Findings suggest that risk factor and clinical data collection via an on-line questionnaire is feasible, but specific concerns related to confidentiality, in the context of employer responsibility for exposure in the unique U.S. legal environment, and timing of enrollment must be addressed. Lessons learned from piloting these tools will inform the design and implementation of a mesothelioma registry of national scope.
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Affiliation(s)
- Joanna M. Gaitens
- School of Medicine, University of Maryland, Baltimore, MD 21201, USA
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Lee S, Kang D, Kim Y, Kim YJ, Kim SY. Activity-Based Exposure Levels and Cancer Risk Assessment Due to Naturally Occurring Asbestos for the Residents Near Abandoned Asbestos Mines in South Korea. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18105225. [PMID: 34069013 PMCID: PMC8156354 DOI: 10.3390/ijerph18105225] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/10/2021] [Accepted: 05/10/2021] [Indexed: 12/18/2022]
Abstract
This study aims to evaluate the overall asbestos exposure intensity and assess the health risk to residents due to naturally occurring asbestos (NOA) near abandoned asbestos mines in South Korea. Of 38 mines, we found 19 with measured concentrations of NOA. We evaluated the average of airborne NOA concentrations according to the environmental exposure category. When evaluated regionally by dividing into two clusters, the mean concentrations in activity-based sampling (ABS) scenarios exceeded the Korean exposure limit (0.01 f/cc) in both clusters. Moreover, airborne NOA concentrations in agricultural activity (5.49 × 10-2 f/cc) and daily activity (6.95 × 10-2 f/cc) had the highest values for clusters A and B, respectively. The excess lifetime cancer risk of one region (cluster A) by the ABS scenarios did not exceed the Korean Ministry of the Environment's criteria for soil purification (1 × 10-4). However, one of the ABS scenarios-the daily life activity of clusters centered on Chungcheongbuk-do (cluster B)-showed an exposure of 1.08 × 10-4, greater than the limit (1 × 10-4). This indicates non negligible health damage to residents living near the abandoned asbestos mines, and it is necessary to continuously monitor and clean up the asbestos contamination.
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Affiliation(s)
- Seungho Lee
- Department of Occupational and Environmental Medicine, Pusan National University Yangsan Hospital, Yangsan 50612, Korea; (S.L.); (D.K.); (Y.K.)
| | - Dongmug Kang
- Department of Occupational and Environmental Medicine, Pusan National University Yangsan Hospital, Yangsan 50612, Korea; (S.L.); (D.K.); (Y.K.)
- Department of Preventive and Occupational & Environmental Medicine, Medical College, Pusan National University, Yangsan 50612, Korea;
- Environmental Health Center of Asbestos, Pusan National University Yangsan Hospital, Yangsan 50612, Korea
| | - Youngki Kim
- Department of Occupational and Environmental Medicine, Pusan National University Yangsan Hospital, Yangsan 50612, Korea; (S.L.); (D.K.); (Y.K.)
- Department of Preventive and Occupational & Environmental Medicine, Medical College, Pusan National University, Yangsan 50612, Korea;
- Environmental Health Center of Asbestos, Pusan National University Yangsan Hospital, Yangsan 50612, Korea
| | - Yoon-Ji Kim
- Department of Preventive and Occupational & Environmental Medicine, Medical College, Pusan National University, Yangsan 50612, Korea;
- Environmental Health Center of Asbestos, Pusan National University Yangsan Hospital, Yangsan 50612, Korea
| | - Se-Yeong Kim
- Department of Occupational and Environmental Medicine, Pusan National University Yangsan Hospital, Yangsan 50612, Korea; (S.L.); (D.K.); (Y.K.)
- Department of Preventive and Occupational & Environmental Medicine, Medical College, Pusan National University, Yangsan 50612, Korea;
- Correspondence: ; Tel.: +82-55-360-3173
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Kwak K, Kang D, Paek D. Environmental exposure to asbestos and the risk of lung cancer: a systematic review and meta-analysis. Occup Environ Med 2021; 79:207-214. [PMID: 33972375 DOI: 10.1136/oemed-2020-107222] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 03/31/2021] [Accepted: 04/11/2021] [Indexed: 01/11/2023]
Abstract
Asbestos is a carcinogen associated with lung cancer, but few studies have examined the increased risk of lung cancer due to environmental asbestos exposure. We performed a systematic review and meta-analysis to evaluate the association between environmental asbestos exposure and lung cancer. We searched for articles on non-occupational or environmental asbestos exposure and lung cancer in PubMed, EMBASE, CINAHL and Web of Science databases. Our review included 15 studies, and except studies on ingestion exposure we performed a meta-analysis for 13 studies with respect to the type of exposure (neighbourhood and domestic/household exposure). Subgroup analyses and meta-regression were also performed. A significant increase in the risk of lung cancer was found for neighbourhood exposure (1.48, 95% CI 1.18 to 1.86), while the risk was not significantly increased for domestic/household exposure (1.04, 95% CI 0.85 to 1.27). With regard to neighbourhood exposure, naturally occurring asbestos and women were both associated with a higher risk of lung cancer; however, such an increase was not significantly greater compared with that associated with other sources of asbestos exposure and men. Although cautious interpretation is needed due to the large degree of heterogeneity and the small number of included studies, our findings imply that living near the source of asbestos increases the risk of lung cancer.
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Affiliation(s)
- Kyeongmin Kwak
- Department of Occupational and Environmental Medicine, Korea University Ansan Hospital, Ansan, Republic of Korea
| | - Dongmug Kang
- Department of Occupational and Environmental Medicine, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea.,Department of Preventive, Occupational and Environmental Medicine, Pusan National University College of Medicine, Yangsan, Republic of Korea
| | - Domyung Paek
- Department of Environmental Health Sciences, Seoul National University Graduate School of Public Health, Seoul, Republic of Korea .,Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea
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García-Marín LM, Campos AI, Martin NG, Cuéllar-Partida G, Rentería ME. Inference of causal relationships between sleep-related traits and 1,527 phenotypes using genetic data. Sleep 2021; 44:5893494. [PMID: 32805044 DOI: 10.1093/sleep/zsaa154] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 07/30/2020] [Indexed: 12/20/2022] Open
Abstract
STUDY OBJECTIVE Sleep is essential for both physical and mental health, and there is a growing interest in understanding how different factors shape individual variation in sleep duration, quality and patterns, or confer risk for sleep disorders. The present study aimed to identify novel inferred causal relationships between sleep-related traits and other phenotypes, using a genetics-driven hypothesis-free approach not requiring longitudinal data. METHODS We used summary-level statistics from genome-wide association studies and the latent causal variable (LCV) method to screen the phenome and infer causal relationships between seven sleep-related traits (insomnia, daytime dozing, easiness of getting up in the morning, snoring, sleep duration, napping, and morningness) and 1,527 other phenotypes. RESULTS We identify 84 inferred causal relationships. Among other findings, connective tissue disorders increase insomnia risk and reduce sleep duration; depression-related traits increase insomnia and daytime dozing; insomnia, napping, and snoring are affected by obesity and cardiometabolic traits and diseases; and working with asbestos, thinner, or glues may increase insomnia risk, possibly through an increased risk of respiratory disease or socio-economic related factors. CONCLUSION Overall, our results indicate that changes in sleep variables are predominantly the consequence, rather than the cause, of other underlying phenotypes and diseases. These insights could inform the design of future epidemiological and interventional studies in sleep medicine and research.
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Affiliation(s)
- Luis M García-Marín
- Genetic Epidemiology Lab, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Adrián I Campos
- Genetic Epidemiology Lab, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Nicholas G Martin
- Genetic Epidemiology Lab, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Gabriel Cuéllar-Partida
- Genetic Epidemiology Lab, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Miguel E Rentería
- Genetic Epidemiology Lab, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia.,Global Brain Health Institute, University of California, San Francisco, CA, USA
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Filetti V, Vitale E, Broggi G, Hagnäs MP, Candido S, Spina A, Lombardo C. Update of in vitro, in vivo and ex vivo fluoro-edenite effects on malignant mesothelioma: A systematic review (Review). Biomed Rep 2020; 13:60. [PMID: 33149905 PMCID: PMC7605121 DOI: 10.3892/br.2020.1367] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 09/07/2020] [Indexed: 12/13/2022] Open
Abstract
Fluoro-edenite (FE), asbestiform fiber found in Biancavilla (Sicily, Italy), presents various characteristics similar to the asbestos group, in particular two fibrous phases tremolite and actinolite. Indeed, epidemiological studies have shown that FE fibers have similar effects to those of asbestos fibers. Such studies have reported a high incidence of malignant mesothelioma (MM), an aggressive neoplasm of the serosal membranes lining the pleural cavity, in individuals residing there due to FE exposure in Biancavilla related to environmental contamination. Evidence has led to the classification of FE as a Group 1 human carcinogen by the International Agency for Research on Cancer (IARC). The aim of this systematic review is to compare the results achieved in in vitro, in vivo and ex vivo experimental studies involving FE in order to update the current knowledge on the pathogenesis and molecular mechanisms responsible for FE-mediated MM development as well as the availability of effective biomarkers for MM prevention and diagnosis. This review is focused on the pathophysiological mechanisms mediated by inflammation induced by FE fiber exposure and which are responsible for MM development. This review also discusses the discovery of new diagnostic and prognostic biomarkers for the management of this pathology. It is known that the risk of cancer development increases with chronic inflammation, arising from enhanced reactive oxygen species (ROS) and NO• production stimulated by the body to remove exogenous agents, causing DNA damage and enhanced signal transduction that may lead to activation of oncogenes. Studies concerning MM biomarker discovery indicate that several biomarkers have been proposed for MM, but mesothelin is the only Food and Drug Administration (FDA)-approved biomarker for MM, with limitations. In recent studies, in silico analysis to identify selected miRNAs highly deregulated in cancer samples when compared with normal control have been developed. This in silico approach could represent an effort in the field of biomarker discovery for MM.
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Affiliation(s)
- Veronica Filetti
- Anatomy and Histology, Department of Biomedical and Biotechnological Sciences, University of Catania, I-95123 Catania, Italy
| | - Ermanno Vitale
- Occupational Medicine, Department of Clinical and Experimental Medicine, University of Catania, I-95123 Catania, Italy
| | - Giuseppe Broggi
- Pathologic Anatomy, Department 'G.F. Ingrassia', University of Catania, I-95123 Catania, Italy
| | - Maria P Hagnäs
- Rovaniemi Health Centre, 96200 Rovaniemi, Finland.,Center for Life Course Health Research, University of Oulu, 90150 Oulu, Finland
| | - Saverio Candido
- Oncologic, Clinic and General Pathology Section, Department of Biomedical and Biotechnological Sciences, University of Catania, I-95123 Catania, Italy.,Research Center for Prevention, Diagnosis and Treatment of Cancer (PreDiCT), University of Catania, I-95123 Catania, Italy
| | - Anna Spina
- INPS Italian National Social Security Institution, I-95129 Catania, Italy
| | - Claudia Lombardo
- Pathologic Anatomy, Department 'G.F. Ingrassia', University of Catania, I-95123 Catania, Italy
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Filetti V, Falzone L, Rapisarda V, Caltabiano R, Eleonora Graziano AC, Ledda C, Loreto C. Modulation of microRNA expression levels after naturally occurring asbestiform fibers exposure as a diagnostic biomarker of mesothelial neoplastic transformation. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 198:110640. [PMID: 32330788 DOI: 10.1016/j.ecoenv.2020.110640] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 04/11/2020] [Accepted: 04/12/2020] [Indexed: 06/11/2023]
Abstract
Fluoro-edenite (FE) is a silicate mineral identified in the lava products of Monte Calvario from stone quarries located in the southeast of Biancavilla, a small city of the Etnean volcanic complex (Sicily, Italy). Inhalation of FE fibers has been associated with a higher incidence of Malignant Mesothelioma (MM), a highly aggressive neoplasm of the serosal membranes lining the pleural cavity. Only 5% of MM patients are diagnosed at an early stage and the median survival is approximate 6-12 months. Many diagnostic biomarkers have been proposed for MM. Several studies demonstrated that microRNAs (miRNAs) may be used as good non-invasive diagnostics, as well as prognostic biomarkers for various human diseases, including cancer. On these bases, the aim of the present study was to identify a set of miRNAs involved in the development and progression of MM and potentially used as diagnostic biomarkers. For these purposes, in silico analyses were performed on healthy/exposed to asbestos fibers subjects vs. patients with MM. These analyses revealed a set of miRNAs strictly involved in MM by merging the lists of miRNAs found differentially expressed in the three miRNA expression datasets analyzed. The result of these computational evaluations allowed the execution of functional in vitro experiments performed on normal pleural mesothelial cell line (MeT-5A) and MM cell line (JU77) in order to test the carcinogenetic effects and epigenetic modulation induced by FE exposure. The in vitro results showed that the expression levels of hsa-miR-323a-3p vary significantly in both supernatant- and cell-derived miRNAs derived from treated and untreated cells. Secreted and cellular hsa-miR-101-3p in MeT-5A treated with FE fibers and JU77 cells showed different trends of expression. As regard hsa-miR-20b-5p, there was no differential expression between secreted and cellular hsa-miR-20b-5p. This miRNA has been shown a significant up-regulation in JU77 cells vs. control and treated MeT-5A. As a future plan, translational analyses will be performed on a subset of patients chronically exposed to FE fibers to further verify the clinical role of such miRNAs in high-risk individuals and their possible use as biomarkers of FE exposure or MM early onset.
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Affiliation(s)
- Veronica Filetti
- Human Anatomy and Histology, Department of Biomedical and Biotechnology Sciences, University of Catania, 95123, Catania, Italy.
| | - Luca Falzone
- Epidemiology Unit, IRCCS Istituto Nazionale Tumori "Fondazione G. Pascale", 80131, Naples, Italy
| | - Venerando Rapisarda
- Occupational Medicine, Department of Clinical and Experimental Medicine, University of Catania, 95123, Catania, Italy
| | - Rosario Caltabiano
- Section of Anatomic Pathology, Department Gian Filippo Ingrassia, University of Catania, 95123, Catania, Italy
| | | | - Caterina Ledda
- Occupational Medicine, Department of Clinical and Experimental Medicine, University of Catania, 95123, Catania, Italy
| | - Carla Loreto
- Human Anatomy and Histology, Department of Biomedical and Biotechnology Sciences, University of Catania, 95123, Catania, Italy; Research Center for Prevention, Diagnosis and Treatment of Cancer (PreDiCT), University of Catania, 95123, Catania, Italy
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Dodson RF, Black B, Poye LW, Bruce JR, McNew T. A clinical evaluation and tissue fiber burden analysis of a lifetime resident of Libby, Montana with adenocarcinoma of the lung. Am J Ind Med 2020; 63:456-462. [PMID: 32068291 DOI: 10.1002/ajim.23096] [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] [Received: 10/03/2019] [Revised: 01/31/2020] [Accepted: 02/04/2020] [Indexed: 11/10/2022]
Abstract
INTRODUCTION Vermiculite mining operations near Libby, Montana were active from the 1920s to 1990. Rail facilities for shipment of the mined material as well as some vermiculite processing activities were ongoing within the community of Libby. A fibrous component within the mined material has been associated with asbestos-related diseases in vermiculite miners and in the local citizens of the community. CLINICAL HISTORY/METHODS We present a clinical case history and tissue fiber burden analysis of an individual with a multifocal adenocarcinoma of the lung who was a lifelong resident of Libby and whose history of exposure was as a member of the general population there. RESULTS/DISCUSSION To our knowledge this is the first time tissue from a member of the general population of Libby, Montana has been evaluated and shown to contain an appreciable presence of "Libby amphibole" fibers.
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Affiliation(s)
| | - Brad Black
- Center for Asbestos Related Disease Libby Montana
| | | | | | - Tracy McNew
- Center for Asbestos Related Disease Libby Montana
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