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Zhou P, Pan Y, Yuan B, Zhou J, Jiang J. Organ distribution of Nano-WC particles after repeated intratracheal instillation into the lungs of SD rats and subsequent organ injury. Biochem Biophys Res Commun 2023; 653:38-46. [PMID: 36857898 DOI: 10.1016/j.bbrc.2023.02.059] [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: 02/01/2023] [Revised: 02/09/2023] [Accepted: 02/22/2023] [Indexed: 02/24/2023]
Abstract
Nano-tungsten carbide (nano-WC) is widely used in composite materials due to its special physical and chemical properties. Owing to their small size, nano-WC nanoparticles easily enter organisms through the respiratory tract, which may cause health hazards. However, only a few studies have reported the toxicity of nano-WC. In this study, a 10 mg/kg nano-WC suspension and 0.9% normal saline were quantitatively perfused into the lungs of two groups of healthy male SD rats by tracheal instillation, and the in vivo pulmonary toxic effects were systematically evaluated. Additionally, as multiple organs and tissues are involved, systemic effects were observed throughout the body and mainly manifested as inflammatory damage. The concentrations of tungsten ions in various organs and alveolar lavage fluid were measured by ICP-MS, and the results showed that the lung was the target organ, as it had the highest concentration of ions. In addition, the abnormal increases in the tungsten ion concentrations in the liver and kidney may be closely related to the immune damage we observed. This study provides a theoretical basis and data support for the systematic evaluation of the health hazards of nano-WC and a reference for the safe use of nanomaterials.
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Affiliation(s)
- Pengfei Zhou
- College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 211816, Jiangsu, China
| | - Yong Pan
- College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 211816, Jiangsu, China; Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, Nanjing Tech University, Nanjing, 211816, Jiangsu, China.
| | - Beilei Yuan
- College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 211816, Jiangsu, China; Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, Nanjing Tech University, Nanjing, 211816, Jiangsu, China.
| | - Jiyuan Zhou
- College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 211816, Jiangsu, China
| | - Juncheng Jiang
- College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 211816, Jiangsu, China; Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, Nanjing Tech University, Nanjing, 211816, Jiangsu, China
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Willhite CC, Karyakina NA, Nordheim E, Arnold I, Armstrong V, Momoli F, Shilnikova NS, Yenugadhati N, Krewski D. The REACH registration process: A case study of metallic aluminium, aluminium oxide and aluminium hydroxide. Neurotoxicology 2020; 83:166-178. [PMID: 33290785 DOI: 10.1016/j.neuro.2020.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The European Union's REACH Regulation requires determination of potential health and environmental effects of chemicals in commerce. The present case study examines the application of REACH guidance for health hazard assessments of three high production volume (HPV) aluminium (Al) substances: metallic aluminium, aluminium oxide, and aluminium hydroxide. Among the potential adverse health consequences of aluminium exposure, neurotoxicity is one of the most sensitive targets of Al toxicity and the most critical endpoint. This case study illustrates integration of data from multiple lines of evidence into REACH weight of evidence evaluations. This case study then explains how those results support regulatory decisions on classification and labelling. Challenges in the REACH appraisal of Al compounds include speciation, solubility and bioavailability, application of assessment factors, read-across rationale and differences with existing regulatory standards. Lessons learned from the present case study relate to identification and evaluation of toxicologic and epidemiologic data; assessing data relevance and reliability; development of derived no-effect levels (DNELs); addressing data gaps and preparation of chemical safety reports.
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Affiliation(s)
| | - Nataliya A Karyakina
- Risk Sciences International, Ottawa, Canada; McLaughlin Centre for Population Health Risk Assessment, University of Ottawa, Ottawa, Canada.
| | | | - Ian Arnold
- International Aluminium Institute, London, United Kingdom; Occupational Health Program, Faculty of Medicine, McGill University, Montreal, QC, Canada
| | | | - Franco Momoli
- Risk Sciences International, Ottawa, Canada; McLaughlin Centre for Population Health Risk Assessment, University of Ottawa, Ottawa, Canada; Faculty of Medicine, School of Epidemiology and Public Health, University of Ottawa, Ottawa, Canada
| | - Natalia S Shilnikova
- Risk Sciences International, Ottawa, Canada; McLaughlin Centre for Population Health Risk Assessment, University of Ottawa, Ottawa, Canada
| | - Nagarajkumar Yenugadhati
- Risk Sciences International, Ottawa, Canada; Department of Epidemiology and Biostatistics, College of Public Health and Health Informatics, King Saud bin Abdul-Aziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Daniel Krewski
- Risk Sciences International, Ottawa, Canada; McLaughlin Centre for Population Health Risk Assessment, University of Ottawa, Ottawa, Canada; Faculty of Medicine, School of Epidemiology and Public Health, University of Ottawa, Ottawa, Canada
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Bomhard EM. Particle-induced Pulmonary Alveolar Proteinosis and Subsequent Inflammation and Fibrosis: A Toxicologic and Pathologic Review. Toxicol Pathol 2017; 45:389-401. [DOI: 10.1177/0192623316688959] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This review analyzes the published data on cases of pulmonary alveolar proteinosis (PAP) in workers inhaling crystalline aluminum, indium, silicon, and titanium particles and possible sequelae, that is, inflammation and fibrosis, and compares these findings with those from animal experiments. In inhalation studies in rodents using crystalline indium and gallium compounds, pronounced PAP followed by inflammation and fibrosis down to very low concentration ranges have been reported. Crystalline aluminum, silicon, and titanium compounds also induced comparable pulmonary changes in animals, though at higher exposure levels. Laboratory animal species appear to react to the induction of PAP with varying degrees of sensitivity. The sensitivity of humans to environmental causes of PAP seems to be relatively low. Up to now, no cases of PAP, or other pulmonary diseases in humans, have been described for gallium compounds. However, a hazard potential can be assumed based on the results of animal studies. Specific particle properties, responsible for the induction of PAP and its sequelae, have not been identified. This review provides indications that, both in animal studies and in humans, PAP is not often recognized due to the absence of properly directed investigation or is concealed behind other forms of lung pathology.
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Affiliation(s)
- Stephen R. Greenberg
- Department of Pathology University of Health Sciences, The Chicago Medical School 2020 West Ogden Avenue, Chicago, IL 60612
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Abstract
Aluminum use and primary aluminum production results in the generation of various particles, fumes, gases, and airborne materials with the potential for inducing a wide range of lung pathology. Nevertheless, the presence of diffuse parenchymal or interstitial lung disease related to these processes remains controversial. The relatively uncommon occurrence of interstitial lung diseases in aluminum-exposed workers--despite the extensive industrial use of aluminum--the potential for concurrent exposure to other fibrogenic fibers, and the previous use of inhaled aluminum powder for the prevention of silicosis without apparent adverse respiratory effects are some of the reasons for this continuing controversy. Specific aluminum-induced parenchymal diseases described in the literature, including existing evidence of interstitial lung diseases, associated with primary aluminum production are reviewed.
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Schlesinger RB. The health impact of common inorganic components of fine particulate matter (PM2.5) in ambient air: a critical review. Inhal Toxicol 2007; 19:811-32. [PMID: 17687714 DOI: 10.1080/08958370701402382] [Citation(s) in RCA: 114] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Ambient air particulate matter (PM) originates as either primary particles emitted directly into the atmosphere from a specific source or as secondary particles produced from atmospheric chemical reactions between precursor gases or between these gases and primary particles. PM can derive from both natural and anthropogenic sources, resulting in a complex chemical mix. The "fine" size mode of ambient PM, designated as PM(2.5), is defined as comprising those particles having aerodynamic diameters below 2.5 microm. While the total mass of PM(2.5) has been associated with adverse human health outcomes, the relationship between these and specific chemical components has not been resolved. This article provides a perspective on the current state of the science concerning health effects from a major group of chemical species found within PM(2.5), namely common inorganic constituents. The specific chemical classes discussed herein are secondary inorganic species, namely, sulfate, nitrate, and acidity, and generally crustal-derived species, namely, phosphate, sodium, potassium, calcium, magnesium, silicon, and aluminum. The article discusses evidence for adverse health effects from inorganic PM(2.5) components within the framework of various caveats surrounding both epidemiology and toxicology assessments. The largest database exists for sulfate, but conclusions that attribute sulfate to health outcomes have not been consistent across all epidemiology studies, and there is a lack of coherence with toxicology studies, which show biological responses only at high levels of exposure. Limited epidemiological and toxicological data for nitrate suggests little or no adverse health effects at current levels. Epidemiological studies specifically identifying crustal components of PM(2.5) suggest that they are not likely, by themselves, to produce a significant health risk, and these components do not have unequivocal biological plausibility from toxicological studies for being significant contributors to adverse health outcomes.
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Affiliation(s)
- Richard B Schlesinger
- Department of Biology and Health Sciences, Pace University, New York, New York 10038, USA.
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Krewski D, Yokel RA, Nieboer E, Borchelt D, Cohen J, Harry J, Kacew S, Lindsay J, Mahfouz AM, Rondeau V. Human health risk assessment for aluminium, aluminium oxide, and aluminium hydroxide. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2007; 10 Suppl 1:1-269. [PMID: 18085482 PMCID: PMC2782734 DOI: 10.1080/10937400701597766] [Citation(s) in RCA: 512] [Impact Index Per Article: 30.1] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Affiliation(s)
- Daniel Krewski
- Department of Epidemiology and Community Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
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Thomson SM, Burnett DC, Bergmann JD, Hixson CJ. Comparative inhalation hazards of aluminum and brass powders using bronchopulmonary lavage as an indicator of lung damage. J Appl Toxicol 1986; 6:197-209. [PMID: 3722713 DOI: 10.1002/jat.2550060311] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Bronchopulmonary lavage has been used as a rapid screening test for acute lung injury from many pneumotoxic chemicals. We demonstrated the efficacy of lavage fluid analysis for detection of acute pulmonary damage from inhaled metal dusts. Groups of male, Fischer 344 rats were exposed 4 h to one of five dosage levels of either brass (200, 100, 50, 10, 1 mg m-3) or aluminum (1000, 200, 100, 50, 10 mg m-3). At 24 h, 14 days and 3 months post-exposure (PE), rats were evaluated for physiological and histological alterations to correlate with enzymatic and cytological profiles of lavage fluid. At 24 h PE, there were dose-related increases in lactate dehydrogenase and protein in lavage fluid of the brass exposed rats, acute inflammatory response in terminal airways, increases in macrophages and neutrophils, and increased pulmonary resistance. All reactions were resolved by 14 days PE. In contrast, aluminum powder produced no alteration in pulmonary function, but elicited persistent changes in enzymatic and cytological lavage fluid parameters with multifocal microgranulomas in lungs and hilar lymph nodes. Bronchopulmonary lavage analysis was useful as an indicator of inhalation hazards of brass and aluminum powders.
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Martin TR, Wehner AP, Butler J. Evaluation of physical health effects due to volcanic hazards: the use of experimental systems to estimate the pulmonary toxicity of volcanic ash. Am J Public Health 1986; 76:59-65. [PMID: 3080911 PMCID: PMC1651697 DOI: 10.2105/ajph.76.suppl.59] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Shortly after Mount St. Helens erupted in 1980, a number of laboratories began to investigate the effects of volcanic ash in a variety of experimental systems in attempts to predict effects that might occult in the lungs of humans exposed to volcanic ash. The published results are remarkably consistent, despite the use of non-uniform ash samples and variability in the experimental approaches used. The data indicate that volcanic ash, even in high concentrations, causes little toxicity to lung cells in vitro and in vivo, as compared with effects of free crystalline silica, which is known to be highly fibrogenic. Volcanic ash does not appear to be entirely inert, however, possibly because of low concentrations of free crystalline silica in the ash. The published experimental studies suggest that inhaled volcanic ash is not likely to be harmful to the lungs of healthy humans, but the potential effects of volcanic ash in patients with pre-existing lung diseases are more difficult to ascertain from these studies.
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Abstract
Many theories have been proposed to explain asbestosis and asbestos-related pulmonary disease. However, none of the theories give a completely plausible explanation for the pathogenesis. Recently, attention has been drawn to a theory that the fibrogenicity or carcinogenicity of fibrous dust particles is related to fiber diameter and length rather than to chemical properties. This theory may help partially elucidate the disease process but is still far from solving the enigma of pulmonary fibrosis or carcinogenesis. The theory cannot explain the absence of these pathological effects among fiberglass workers or experimental animals exposed by inhalation (even though mesotheliomas are induced by intrapleural implantation and fiber dimension-related fibrogenicity is demonstrated by intratracheal injection). Little information regarding the pulmonary response to manmade fibrous particles is available in animals following inhalation exposure. Attempts should be made to confirm the absence of adverse effects using animal inhalation experiments even though to this point there is no conclusive evidence that either lung cancer or pulmonary diseases can be produced among employees in manmade fiber industries. A new research trend seems concentrated on testing the durability of asbestos or manmade fibers. This is based on the concept that biological effects of fibrous particles are the result of relative durability and that particles which can be fragmented or shortened may be less pathogenic. In the last two decades, considerable understanding about pulmonary fibrosis and carcinogenesis of asbestos has been achieved by clinical and animal experiments. In vitro tests including cytotoxicity, hemolysis, immunology, and enzyme biochemistry have provided important information on the interrelationships among these various biological effects of asbestos.
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11
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Hicks R, Lam HF, Al-Shamma KJ, Hewitt PJ. Pneumoconiotic effects of welding-fume particles from mild and stainless steel deposited in the lung of the rat. Arch Toxicol 1984; 55:1-10. [PMID: 6732500 DOI: 10.1007/bf00316578] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Rats were exposed to single periods of inhalation of fumes generated by arc welding. Two processes were compared: either manual metal arc (MMA) using flux-coated mild steel (MS) electrodes or metal inert-gas (MIG) welding with stainless steel (SS). Widespread but small deposits of fume particles were cleared effectively from alveoli and airways. Peribronchial and subpleural aggregates of particle-laden macrophages remained. More massive and persistent lung-burdens were established by intratracheal administration of suspensions of fume-particles (10 mg and 50 mg, single doses). Initial pneumonitis was attributed to irritant gases or soluble toxic components of particles. MIG-SS particle deposits were more persistent and lesions more severe, inhibition of phagocytosis or clearance and damage to epithelial cells being associated with possible toxic effects in macrophages. Both types of particle caused alveolar epithelial thickening, with proliferation of granular pneumocytes and exudation of lamellar material. Foam cells appeared in alveoli. Long-term effects (80-300 days) involved formation of nodular aggregates of particle-laden macrophages. Giant cells were formed. Nodules containing MIG-SS material were irregular and surrounded by collapsed and thickened epithelium. Soluble chromium or nickel constituents are cited as probable active agents producing effects resembling those of cytotoxic non-fibrogenic dusts, e.g., soluble silicas . MMA-MS particles produced low-grade fibrotic ( collagenised ) changes.
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12
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Krueger GL, Morris TK, Suskind RR, Widner EM. The health effects of aluminum compounds in mammals. Crit Rev Toxicol 1984; 13:1-24. [PMID: 6378531 DOI: 10.3109/10408448409029320] [Citation(s) in RCA: 32] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
This review, which is based on evaluation of information published in the last decade related to the health effects of aluminum compounds in mammals, directs attention to the well-documented effects of A1(III) compounds on phosphate metabolism. It is suggested that the toxic effects currently associated with A1(III) compounds are dependent upon the nature of A1(III) complexes formed from electron donating groups, rather than restricted to the presence of the high charge density matrix of A1(III) itself.
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13
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Vallyathan V, Bergeron WN, Robichaux PA, Craighead JE. Pulmonary fibrosis in an aluminum arc welder. Chest 1982; 81:372-4. [PMID: 7056115 DOI: 10.1378/chest.81.3.372] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
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15
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Wells AB. Inhalation testing of toiletries in animals. Int J Cosmet Sci 1979; 1:135-46. [PMID: 19467062 DOI: 10.1111/j.1467-2494.1979.tb00208.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Synopsis The purpose of testing is to establish the safety of ingredients to be handled in the factory and of the products to be used by the consumer. Inhalation tests tend to require much time and are expensive; the number of inhalation tests may be reduced by preliminary measurement of the respirable fraction of an aerosol or powder, by toxicity tests on macrophages in culture, and by instillation of suspensions into the lung via the trachea. Inhalation exposures may be in whole body exposure chambers or the head only may be exposed; the techniques are discussed. The criteria of a satisfactory inhalation test are considered and histological features which should be investigated are reviewed.
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Affiliation(s)
- A B Wells
- Unilever Research, Colworth House, Sharnbrook, Bedford, MK44 1LQ, UK
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17
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Abstract
The association of aluminum dusts and pulmonary fibrosis with emphysema in workers in the aluminum processing and manufacturing industries is well established. The early and minimal reactions of the lungs to the aluminum dusts are not known. This report presents the first case of pulmonary granulomatosis associated with aluminum inhalation. The occupational history of this patient was thoroughly examined, and the aluminum was identified by electron probe microanalysis of the lung biopsy specimen. The granulomatous response in this patient was similar to that observed in rabbits following aluminum dust inhalation. Hypersensitivity or individual idiosyncrasy may play a role in the development of the pulmonary granulomas following exposure to aluminum.
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Hook GE, DiAugustine RP. Secretory cells of the peripheral pulmonary epithelium as targets for toxic agents. ENVIRONMENTAL HEALTH PERSPECTIVES 1976; 16:147-56. [PMID: 1017418 PMCID: PMC1475228 DOI: 10.1289/ehp.7616147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
The extracellular lining of the pulmonary peripheral airways is of vital importance to the lung. In this report, some aspects of the pulmonary extracellular lining and the epithelial cells believed to be responsible for its formation and secretion have been briefly reviewed. The influence of a number of toxic agents on the extracellular lining either directly or via those cells involved in its formation indicates that the extracellular lining may be important in understanding numerous toxic agent interactions with the lung.
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