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Chair SY, Chan JYW, Law BMH, Waye MMY, Chien WT. Genetic susceptibility in pneumoconiosis in China: a systematic review. Int Arch Occup Environ Health 2023; 96:45-56. [PMID: 35906431 DOI: 10.1007/s00420-022-01893-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 05/23/2022] [Indexed: 01/11/2023]
Abstract
OBJECTIVE Pneumoconiosis, encompassing coal workers' pneumoconiosis (CWP), silicosis and asbestosis, is one of the most common occupational diseases in China. Previous studies revealed significant associations between genetic variations and pneumoconiosis risk among individuals in different countries. With the known variability of genetic makeup between ethnicities, susceptibility to pneumoconiosis due to genetic differences is likely to be ethnicity-specific. The present review aimed at providing a comprehensive overview on the association between genetic polymorphisms and susceptibility of pneumoconiosis, specifically among people in China. METHODS The literature search was performed in seven English and Chinese databases using keywords related to the review aim. An appraisal of the methodological quality of the included studies was conducted using the assessment tool derived from the Strengthening the Reporting of Genetic Association Studies (STREGA) statement. RESULTS Forty-five studies were included in this review. Genotypes of specific genes which are associated with the risk of CWP, silicosis and asbestosis were reported. Our findings showed that genes encoding inflammatory cytokines have been examined extensively, and they demonstrated an association between these genes and pneumoconiosis risk. Gene-environment interactions in pneumoconiosis susceptibility were also reported by a number of studies. CONCLUSIONS This review summarised the evidence demonstrating the association between genetic polymorphisms and pneumoconiosis susceptibility among people in China, and that various genotypes could modify their risk to develop pneumoconiosis. The findings prompt that identification of individuals at high pneumoconiosis risk through genetic screening and strategies limiting their exposure to dust could be a potential strategy for the control of this occupational disease in China.
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Affiliation(s)
- Sek Ying Chair
- The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.,Asia-Pacific Genomic and Genetic Nursing Centre, The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.,The Croucher Laboratory for Human Genomics, The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Judy Yuet Wa Chan
- The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.
| | - Bernard Man Hin Law
- The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Mary Miu Yee Waye
- The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.,Asia-Pacific Genomic and Genetic Nursing Centre, The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.,The Croucher Laboratory for Human Genomics, The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Wai Tong Chien
- The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.,Asia-Pacific Genomic and Genetic Nursing Centre, The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.,The Croucher Laboratory for Human Genomics, The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
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César Santos de Castro1,2,3 M, Santos Ferreira Nani2 A, Cezar Rodrigues Salum1 K, de Mendonça Rolando1 J, Fernandes Barbosa dos Santos1 J, Albuquerque de Castro4 H, Canto Ribeiro4 P, Costa3 W, Brasileiro de Mello1,5 C, Barzotto Kohlrausch5 F. Genetic polymorphisms and their effects on the severity of silicosis in workers exposed to silica in Brazil. J Bras Pneumol 2022; 48:e20220167. [DOI: 10.36416/1806-3756/e20220167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/06/2022] [Indexed: 11/17/2022] Open
Abstract
Objective: Silicosis is a pneumoconiosis characterized by fibrosis of the lung parenchyma caused by inhalation of silica particles. Genetic factors might play a role in the severity silicosis. We sought to evaluate the influence of polymorphisms in the ACE, FAS, FASLG, NOS2, IL1RN, FAM13A, TGFB1, and TNF genes on the severity of silicosis. Methods: Nine polymorphisms were genotyped by PCR in a sample of 143 patients with silicosis in the state of Rio de Janeiro, Brazil. Results: Fifty-seven patients (40%) were classified as having simple silicosis and 86 (60%) were classified as having complicated silicosis. The TT genotype of rs1800469 in the TGFB1 gene showed a protective effect for complicated silicosis (OR = 0.35; 95% CI, 0.14-0.92; p = 0.028) when compared with the other two genotypes (CC+CT). The polymorphic T allele of rs763110 in the FASLG gene (OR = 0.56; 95% CI, 0.31-0.99; p = 0.047), as well as a dominant model for the T allele (TT+CT: OR = 0.37; 95% CI, 0.15-0.96; p = 0.037), also showed a protective effect. When patients with simple silicosis despite having been exposed to silica for a longer time (> 44,229 hours) were compared with patients with complicated silicosis despite having been exposed to silica for a shorter time, the T allele of rs763110 in the FASLG gene (OR = 0.20; 95% CI, 0.08-0.48; p < 0.0001), as well as dominant and recessive models (OR = 0.06; 95% CI, 0.00-0.49; p = 0.01 and OR = 0.22; 95% CI, 0.06-0.77; p = 0.014, respectively), showed a protective effect against the severity of silicosis. Conclusions: It appears that rs1800469 polymorphisms in the TGFB1 gene and rs763110 polymorphisms in the FASLG gene are involved in the severity of silicosis. Given the lack of studies relating genetic polymorphisms to the severity of silicosis, these results should be replicated in other populations.
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Affiliation(s)
- Marcos César Santos de Castro1,2,3
- 1. Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói (RJ) Brasil. 2. Departamento de Medicina Clínica, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói (RJ) Brasil. 3. Universidade do Estado do Rio de Janeiro, Rio de Janeiro (RJ) Brasil
| | - Angela Santos Ferreira Nani2
- 2. Departamento de Medicina Clínica, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói (RJ) Brasil
| | - Kaio Cezar Rodrigues Salum1
- 1. Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói (RJ) Brasil
| | | | | | | | | | - Walter Costa3
- 3. Universidade do Estado do Rio de Janeiro, Rio de Janeiro (RJ) Brasil
| | - Cícero Brasileiro de Mello1,5
- 1. Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói (RJ) Brasil. 5. Departamento de Biologia Geral, Universidade Federal Fluminense, Niterói (RJ) Brasil
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Salum KCR, Castro MCS, Nani ÂSF, Kohlrausch FB. Is individual genetic susceptibility a link between silica exposure and development or severity of silicosis? A systematic review. Inhal Toxicol 2020; 32:375-387. [PMID: 33006295 DOI: 10.1080/08958378.2020.1825569] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND Silicosis is a lung disease of fibrotic nature resulting from the inhalation and deposition of dust containing crystalline silica. Subjects exposed to the same environmental factors may show distinct radiological manifestations, and since silicosis is known as a multifactorial disease, it is plausible that individual genetic susceptibility may play a role in the pathology. This review of the literature aims to provide an assessment of the present data on the genetic association studies in silicosis and describe the genes that potentially might influence silicosis susceptibility in silica-exposed individuals. METHODS We accessed the database of PubMed for articles published in English about interindividual genetic susceptibility to silicosis using terms related to the subject matter. RESULTS Following the evaluation process, 28 studies were included in this systematic review, including 23 original studies and 5 meta-analyses. CONCLUSIONS Regardless of the advances in the knowledge of the importance of gene variations in silicosis, more studies need to be performed, in particular, special polygenic and genome-wide investigations.
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Affiliation(s)
- Kaio Cezar Rodrigues Salum
- Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense (UFF), Niterói, Brazil
| | - Marcos Cesar Santos Castro
- Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense (UFF), Niterói, Brazil.,Hospital Universitário Antônio Pedro, Universidade Federal Fluminense (UFF), Niterói, Brazil.,Hospital Universitário Pedro Ernesto, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | | | - Fabiana Barzotto Kohlrausch
- Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense (UFF), Niterói, Brazil
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Salum KCR, Castro MCS, Moreira VB, Nani ASF, Kohlrausch FB. Interleukin 1α and 1β gene variations are associated with tuberculosis in silica exposed subjects. Am J Ind Med 2020; 63:74-84. [PMID: 31692000 DOI: 10.1002/ajim.23066] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 10/16/2019] [Accepted: 10/16/2019] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Silicosis is a fibrotic lung disease resulting from the inhalation of crystalline silica and can be classified as simple or complicated according to the International Labour Organization criteria. Furthermore, individuals exposed to crystalline silica also have a higher risk for the development of tuberculosis (Tb). The contribution of inflammatory cytokines to the risk of silicosis and Tb in different populations has previously been reported. Since genetic background might be related to susceptibility to silicosis and Tb, the study of polymorphisms within IL-1α, IL-1β, and tumor necrosis factor protein-coding genes may contribute to elucidating the genetic basis of these diseases. METHODS Single nucleotide polymorphisms (SNPs) were genotyped by polymerase chain reaction using restriction fragment length polymorphism or by Taqman methodology, in a sample of 102 silica-exposed patients from Brazil. RESULTS No significant associations were observed between the SNPs studied and the severity of silicosis. However, significant associations were found between Tb and the C allele (odds ratio [OR] = 1.93, 95% confidence interval [CI], 1.01-3.73) and the CC genotype (OR = 2.34, 95% CI, 1.04-5.31) of IL1A -899C>T. The IL1B +3954C>T polymorphism also showed an association with Tb (T allele dominant model OR = 2.38, 95% CI, 1.04-5.41). CONCLUSION These preliminary results demonstrate that the IL1A and IL1B gene variations may contribute to some extent to susceptibility to Tb, but not silicosis. However, additional studies are still needed to confirm these results.
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Affiliation(s)
| | - Marcos Cesar Santos Castro
- Departamento de Medicina Clínica, Hospital Universitário Antônio PedroUniversidade Federal FluminenseNiterói Brazil
- Ambulatório de Pneumologia, Hospital Universitário Pedro ErnestoUniversidade do Estado do Rio de JaneiroRio de Janeiro Brazil
| | - Valéria Barbosa Moreira
- Departamento de Medicina Clínica, Hospital Universitário Antônio PedroUniversidade Federal FluminenseNiterói Brazil
| | - Angela Santos Ferreira Nani
- Departamento de Medicina Clínica, Hospital Universitário Antônio PedroUniversidade Federal FluminenseNiterói Brazil
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Weng S, Wang L, Rong Y, Liu Y, Wang X, Guan H, Chen W. Effects of the Interactions between Dust Exposure and Genetic Polymorphisms in Nalp3, Caspase-1, and IL-1β on the Risk of Silicosis: A Case-Control Study. PLoS One 2015; 10:e0140952. [PMID: 26496436 PMCID: PMC4619690 DOI: 10.1371/journal.pone.0140952] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Accepted: 10/03/2015] [Indexed: 01/03/2023] Open
Abstract
Objectives To evaluate the effects of the interactions between polymorphisms in Nalp3, caspase-1, and interleukin(IL)-1β genes and occupational dust exposure on the risk of silicosis. Methods We conducted a population-based case-control study in a large iron mine in China. Between January 2006 and December 2009, we identified 179 patients with silicosis to evaluate as cases and 201 individuals without silicosis to evaluate as controls. We estimated cumulative dust exposure (CDE) for all subjects and we genotyped polymorphisms in Nalp3, caspase-1, and IL-1β genes. We estimated odds ratios(ORs), 95% confidence intervals(95%CIs), and p-values using logistic regression models adjusted for selected confounders. Results After adjusting for age, smoking status, and CDE, subjects with the CT genotype of Ex4-849C>T in Nalp3 and the GA genotype of Ex2+37G>A in caspase-1 had increased risks of silicosis (adjusted ORs[95%CIs] = 2.40 [1.12–5.12] and 3.62 [1.63–8.02], respectively). Among subjects younger than 70 years old, those with the CC genotype of IVS8-7652A>C in Nalp3 had a lower risk of silicosis than those with other genotypes (adjusted OR[95%CI] = 0.24[0.06–0.88]). Among subjects aged 70 years and older, those with the CT genotype of Ex4-849C>T in Nalp3 and those with the GA genotype of Ex2+37G>A in caspase-1 had a higher risk of silicosis than those with other genotypes (adjusted ORs [95%CI] = 2.52[1.04–6.12] and 5.19[1.88–14.35], respectively). Among subjects with CDE greater than 120 mg/m3×year and among smokers, those with the GA genotype of Ex2+37G>A in caspase-1 had a higher risk of silicosis than those with other genotypes (adjusted ORs[95%CIs] = 26.37[3.35–207.39] and 3.47[1.40–8.64], respectively). Conclusions Genetic polymorphisms in Nalp3 and caspase-1 may be associated with individual susceptibility to silicosis, especially when the polymorphisms interact with age, CDE, or smoking status.
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Affiliation(s)
- Shaofan Weng
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Shenzhen Prevention and Treatment Center for Occupational Disease, Shenzhen, Guangdong, China
| | - Lihua Wang
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Shenzhen Baoan Center for Disease Control and Prevention, Shenzhen, Guangdong, China
| | - Yi Rong
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yuewei Liu
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xin Wang
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hongyu Guan
- Daye Iron Mine Hospital, Wuhan Iron and Steel Corporation, Huangshi, Hubei, China
| | - Weihong Chen
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- * E-mail:
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Gaffney A, Christiani DC. Gene-environment interaction from international cohorts: impact on development and evolution of occupational and environmental lung and airway disease. Semin Respir Crit Care Med 2015; 36:347-57. [PMID: 26024343 DOI: 10.1055/s-0035-1549450] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Environmental and occupational pulmonary diseases impose a substantial burden of morbidity and mortality on the global population. However, it has been long observed that only some of those who are exposed to pulmonary toxicants go on to develop disease; increasingly, it is being recognized that genetic differences may underlie some of this person-to-person variability. Studies performed throughout the globe are demonstrating important gene-environment interactions for diseases as diverse as chronic beryllium disease, coal workers' pneumoconiosis, silicosis, asbestosis, byssinosis, occupational asthma, and pollution-associated asthma. These findings have, in many instances, elucidated the pathogenesis of these highly complex diseases. At the same time, however, translation of this research into clinical practice has, for good reasons, proceeded slowly. No genetic test has yet emerged with sufficiently robust operating characteristics to be clearly useful or practicable in an occupational or environmental setting. In addition, occupational genetic testing raises serious ethical and policy concerns. Therefore, the primary objective must remain ensuring that the workplace and the environment are safe for all.
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Affiliation(s)
- Adam Gaffney
- Pulmonary and Critical Care Division, Department of Medicine, Massachusetts General Hospital/Harvard Medical School, Boston, Massachusetts
| | - David C Christiani
- Pulmonary and Critical Care Division, Department of Medicine, Massachusetts General Hospital/Harvard Medical School, Boston, Massachusetts
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Muzaffar SAF, Christiani DC. Frontiers in occupational and environmental lung disease research. Chest 2012; 141:772-781. [PMID: 22396562 DOI: 10.1378/chest.11-0156] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Two central challenges in the field of occupational and environmental epidemiology include accurately measuring biologic responses to exposure and preventing subsequent disease. As exposure-related lung diseases continue to be identified, advances in exposure biology have introduced toxicogenomic approaches that detect biomarkers of exposure at the gene, protein, and metabolite levels. Moreover, genetic epidemiology research has focused more recently on common, low-penetrant (ie, low-relative-risk) genetic variants that may interact with commonly encountered exposures. A number of such gene by environment interactions have been identified for airways and interstitial lung diseases, with the goal of preventing disease among susceptible populations that may not otherwise have been identified. Exhaled breath condensate analysis has provided another noninvasive means of assessing toxicant exposures and systemic effects. As these technologies become more refined, clinicians and public health practitioners will need to appreciate the social implications of the individual- and population-level risks conferred by certain genetic polymorphisms or by biomarker evidence of exposure. At present, the primary approach to occupational and environmental lung disease prevention remains elimination or reduction of known hazardous exposures and requires continued application of local and international resources toward exposure control.
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Affiliation(s)
- Saeher A F Muzaffar
- Division of Pulmonary, Allergy, and Critical Care Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA
| | - David C Christiani
- Department of Environmental Health and Epidemiology, Harvard School of Public Health, Massachusetts General Hospital, Boston, MA; Departments of Harvard Medical School, Massachusetts General Hospital, Boston, MA; Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA.
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Mohebbi I, Rad IA, Bagheri M. Association of angiotensin-1-converting enzyme gene variations with silicosis predisposition. Inhal Toxicol 2010; 22:1110-5. [DOI: 10.3109/08958378.2010.526654] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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