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Stevens ME, Paustenbach DJ, Lockhart NJ, Busboom DE, Deckard BM, Brew DW. The presence of erionite in North American geologies and the estimated mesothelioma potency by region. Inhal Toxicol 2024; 36:158-173. [PMID: 38583132 DOI: 10.1080/08958378.2024.2322496] [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: 11/07/2023] [Accepted: 02/19/2024] [Indexed: 04/08/2024]
Abstract
OBJECTIVE Erionite is a naturally occurring fibrous mineral found in soils in some geographical regions. Known for its potency for causing mesothelioma in the Cappadocia region of Turkey, the erionite fiber has attracted interest in the United States due to its presence in a band of rock that extends from Mexico to Montana. There are few toxicology studies of erionite, but all show it to have unusually high chronic toxicity. Despite its high potency compared to asbestos fibers, erionite has no occupational or environmental exposure limits. This paper takes what has been learned about the chemical and physical characteristics of the various forms of asbestos (chrysotile, amosite, anthophyllite, and crocidolite) and predicts the potency of North American erionite fibers. MATERIALS AND METHODS Based on the fiber potency model in Korchevskiy et al. (2019) and the available published information on erionite, the estimated mesothelioma potency factors (the proportion of mesothelioma mortality per unit cumulative exposure (f/cc-year)) for erionites in the western United States were determined. RESULTS AND DISCUSSION The model predicted potency factors ranged from 0.19 to 11.25 (average ∼3.5), depending on the region. For reference, crocidolite (the most potent commercial form of asbestos) is assigned a potency factor ∼0.5. CONCLUSION The model predicted mesothelioma potency of Turkish erionite (4.53) falls in this same range of potencies as erionite found in North America. Although it can vary by region, a reasonable ratio of average mesothelioma potency based on this model is 3,000:500:100:1 comparing North American erionite, crocidolite, amosite, and chrysotile (from most potent to least potent).
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Karunakaran KB, Yanamala N, Boyce G, Becich MJ, Ganapathiraju MK. Malignant Pleural Mesothelioma Interactome with 364 Novel Protein-Protein Interactions. Cancers (Basel) 2021; 13:1660. [PMID: 33916178 PMCID: PMC8037232 DOI: 10.3390/cancers13071660] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/19/2021] [Accepted: 03/22/2021] [Indexed: 12/20/2022] Open
Abstract
Malignant pleural mesothelioma (MPM) is an aggressive cancer affecting the outer lining of the lung, with a median survival of less than one year. We constructed an 'MPM interactome' with over 300 computationally predicted protein-protein interactions (PPIs) and over 2400 known PPIs of 62 literature-curated genes whose activity affects MPM. Known PPIs of the 62 MPM associated genes were derived from Biological General Repository for Interaction Datasets (BioGRID) and Human Protein Reference Database (HPRD). Novel PPIs were predicted by applying the HiPPIP algorithm, which computes features of protein pairs such as cellular localization, molecular function, biological process membership, genomic location of the gene, and gene expression in microarray experiments, and classifies the pairwise features as interacting or non-interacting based on a random forest model. We validated five novel predicted PPIs experimentally. The interactome is significantly enriched with genes differentially ex-pressed in MPM tumors compared with normal pleura and with other thoracic tumors, genes whose high expression has been correlated with unfavorable prognosis in lung cancer, genes differentially expressed on crocidolite exposure, and exosome-derived proteins identified from malignant mesothelioma cell lines. 28 of the interactors of MPM proteins are targets of 147 U.S. Food and Drug Administration (FDA)-approved drugs. By comparing disease-associated versus drug-induced differential expression profiles, we identified five potentially repurposable drugs, namely cabazitaxel, primaquine, pyrimethamine, trimethoprim and gliclazide. Preclinical studies may be con-ducted in vitro to validate these computational results. Interactome analysis of disease-associated genes is a powerful approach with high translational impact. It shows how MPM-associated genes identified by various high throughput studies are functionally linked, leading to clinically translatable results such as repurposed drugs. The PPIs are made available on a webserver with interactive user interface, visualization and advanced search capabilities.
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Affiliation(s)
- Kalyani B. Karunakaran
- Supercomputer Education and Research Centre, Indian Institute of Science, Bangalore 560012, India;
| | - Naveena Yanamala
- Exposure Assessment Branch, National Institute of Occupational Safety and Health, Center for Disease Control, Morgantown, WV 26506, USA; (N.Y.); (G.B.)
| | - Gregory Boyce
- Exposure Assessment Branch, National Institute of Occupational Safety and Health, Center for Disease Control, Morgantown, WV 26506, USA; (N.Y.); (G.B.)
| | - Michael J. Becich
- Department of Biomedical Informatics, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15206, USA;
| | - Madhavi K. Ganapathiraju
- Department of Biomedical Informatics, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15206, USA;
- Intelligent Systems Program, School of Computing and Information, University of Pittsburgh, Pittsburgh, PA 15213, USA
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Khaliullin TO, Kisin ER, Guppi S, Yanamala N, Zhernovkov V, Shvedova AA. Differential responses of murine alveolar macrophages to elongate mineral particles of asbestiform and non-asbestiform varieties: Cytotoxicity, cytokine secretion and transcriptional changes. Toxicol Appl Pharmacol 2020; 409:115302. [PMID: 33148505 DOI: 10.1016/j.taap.2020.115302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 10/17/2020] [Accepted: 10/21/2020] [Indexed: 01/19/2023]
Abstract
Human exposures to asbestiform elongate mineral particles (EMP) may lead to diffuse fibrosis, lung cancer, malignant mesothelioma and autoimmune diseases. Cleavage fragments (CF) are chemically identical to asbestiform varieties (or habits) of the parent mineral, but no consensus exists on whether to treat them as asbestos from toxicological and regulatory standpoints. Alveolar macrophages (AM) are the first responders to inhaled particulates, participating in clearance and activating other resident and recruited immunocompetent cells, impacting the long-term outcomes. In this study we address how EMP of asbestiform versus non-asbestiform habit affect AM responses. Max Planck Institute (MPI) cells, a non-transformed mouse line that has an AM phenotype and genotype, were treated with mass-, surface area- (s.a.), and particle number- (p.n.) equivalent concentrations of respirable asbestiform and non-asbestiform riebeckite/tremolite EMP for 24 h. Cytotoxicity, cytokines secretion and transcriptional changes were evaluated. At the equal mass, asbestiform EMP were more cytotoxic, however EMP of both habits induced similar LDH leakage and decrease in viability at s.a. and p.n. equivalent doses. DNA damage assessment and cell cycle analysis revealed differences in the modes of cell death between asbestos and respective CF. There was an increase in chemokines, but not pro-inflammatory cytokines after all EMP treatments. Principal component analysis of the cytokine secretion showed close clustering for the s.a. and p.n. equivalent treatments. There were mineral- and habit-specific patterns of gene expression dysregulation at s.a. equivalent doses. Our study reveals the critical nature of EMP morphometric parameters for exposure assessment and dosing approaches used in toxicity studies.
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Affiliation(s)
- T O Khaliullin
- West Virginia University, Morgantown, WV, United States of America; HELD, NIOSH, CDC, Morgantown, WV, United States of America.
| | - E R Kisin
- HELD, NIOSH, CDC, Morgantown, WV, United States of America.
| | - S Guppi
- HELD, NIOSH, CDC, Morgantown, WV, United States of America.
| | - N Yanamala
- West Virginia University, Morgantown, WV, United States of America; Carnegie Mellon University, Pittsburgh, PA, United States of America.
| | | | - A A Shvedova
- West Virginia University, Morgantown, WV, United States of America; HELD, NIOSH, CDC, Morgantown, WV, United States of America.
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Stauber RH, Westmeier D, Wandrey M, Becker S, Docter D, Ding GB, Thines E, Knauer SK, Siemer S. Mechanisms of nanotoxicity - biomolecule coronas protect pathological fungi against nanoparticle-based eradication. Nanotoxicology 2020; 14:1157-1174. [PMID: 32835557 DOI: 10.1080/17435390.2020.1808251] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Whereas nanotoxicity is intensely studied in mammalian systems, our knowledge of desired or unwanted nano-based effects for microbes is still limited. Fungal infections are global socio-economic health and agricultural problems, and current chemical antifungals may induce adverse side-effects in humans and ecosystems. Thus, nanoparticles are discussed as potential novel and sustainable antifungals via the desired nanotoxicity but often fail in practical applications. In our study, we found that nanoparticles' toxicity strongly depends on their binding to fungal spores, including the clinically relevant pathogen Aspergillus fumigatus as well as common plant pests, such as Botrytis cinerea or Penicillum expansum. Employing a selection of the model and antimicrobial nanoparticles, we found that nanoparticle-spore complex formation is influenced by the NM's physicochemical properties, such as size, identified as a key determinant for our silica model particles. Biomolecule coronas acquired in pathophysiologically and ecologically relevant environments, protected fungi against nanoparticle-induced toxicity as shown by employing antimicrobial ZnO, Ag, or CuO nanoparticles as well as dissolution-resistant quantum dots. Mechanistically, dose-dependent corona-mediated resistance was conferred via reducing the physical adsorption of nanoparticles to fungi. The inhibitory effect of biomolecules on nano-based toxicity of Ag NPs was further verified in vivo, using the invertebrate Galleria mellonella as an alternative non-mammalian infection model. We provide the first evidence that biomolecule coronas are not only relevant in mammalian systems but also for nanomaterial designs as future antifungals for human health, biotechnology, and agriculture.
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Affiliation(s)
| | - Dana Westmeier
- ENT Department, University Medical Center Mainz, Mainz, Germany
| | - Madita Wandrey
- ENT Department, University Medical Center Mainz, Mainz, Germany
| | - Sven Becker
- ENT Department, University Medical Center Mainz, Mainz, Germany
| | - Dominic Docter
- ENT Department, University Medical Center Mainz, Mainz, Germany
| | - Guo-Bin Ding
- Institute for Biotechnology, Shanxi University, Shanxi, China
| | - Eckhard Thines
- Institute for Microbiology, Johannes Gutenberg University, Mainz, Germany
| | - Shirley K Knauer
- Department of Molecular Biology II, Centre for Medical Biotechnology (ZMB)/Center for Nanointegration (CENIDE), University Duisburg-Essen, Essen, Germany
| | - Svenja Siemer
- ENT Department, University Medical Center Mainz, Mainz, Germany
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Koo HJ, Lee KR, Kim HS, Lee BM. Detoxification effects of aloe polysaccharide and propolis on the urinary excretion of metabolites in smokers. Food Chem Toxicol 2019; 130:99-108. [PMID: 31112706 DOI: 10.1016/j.fct.2019.05.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 04/28/2019] [Accepted: 05/17/2019] [Indexed: 12/21/2022]
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Siemer S, Westmeier D, Vallet C, Becker S, Voskuhl J, Ding GB, Thines E, Stauber RH, Knauer SK. Resistance to Nano-Based Antifungals Is Mediated by Biomolecule Coronas. ACS APPLIED MATERIALS & INTERFACES 2019; 11:104-114. [PMID: 30560648 DOI: 10.1021/acsami.8b12175] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Fungal infections are a growing global health and agricultural threat, and current chemical antifungals may induce various side-effects. Thus, nanoparticles are investigated as potential novel antifungals. We report that nanoparticles' antifungal activity strongly depends on their binding to fungal spores, focusing on the clinically important fungal pathogen Aspergillus fumigatus as well as common plant pathogens, such as Botrytis cinerea. We show that nanoparticle-spore complex formation was enhanced by the small nanoparticle size rather than the material, shape or charge, and could not be prevented by steric surface modifications. Fungal resistance to metal-based nanoparticles, such as ZnO-, Ag-, or CuO-nanoparticles as well as dissolution-resistant quantum dots, was mediated by biomolecule coronas acquired in pathophysiological and ecological environments, including the lung surfactant, plasma or complex organic matters. Mechanistically, dose-dependent corona-mediated resistance occurred via reducing physical adsorption of nanoparticles to fungal spores. The inhibitory effect of biomolecules on the antifungal activity of Ag-nanoparticles was further verified in vivo, using the invertebrate Galleria mellonella as an A. fumigatus infection model. Our results explain why current nanoantifungals often show low activity in realistic application environments, and will guide nanomaterial designs that maximize functionality and safe translatability as potent antifungals for human health, biotechnology, and agriculture.
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Affiliation(s)
- Svenja Siemer
- Nanobiomedicine Department , University Medical Center Mainz , Langenbeckstrasse 1 , 55131 Mainz , Germany
| | - Dana Westmeier
- Nanobiomedicine Department , University Medical Center Mainz , Langenbeckstrasse 1 , 55131 Mainz , Germany
| | | | - Sven Becker
- Nanobiomedicine Department , University Medical Center Mainz , Langenbeckstrasse 1 , 55131 Mainz , Germany
| | | | - Guo-Bin Ding
- Nanobiomedicine Department , University Medical Center Mainz , Langenbeckstrasse 1 , 55131 Mainz , Germany
- Institute for Biotechnology , Shanxi University , No. 92 Wucheng Road , 030006 Taiyuan , Shanxi , China
| | - Eckhard Thines
- Institute for Microbiology , Johannes Gutenberg University , Becherweg 15 , D 55128 Mainz , Germany
| | - Roland H Stauber
- Nanobiomedicine Department , University Medical Center Mainz , Langenbeckstrasse 1 , 55131 Mainz , Germany
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Beaucham C, King B, Feldmann K, Harper M, Dozier A. Assessing occupational erionite and respirable crystalline silica exposure among outdoor workers in Wyoming, South Dakota, and Montana. JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL HYGIENE 2018; 15:455-465. [PMID: 29580185 DOI: 10.1080/15459624.2018.1447116] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Erionite is a naturally occurring fibrous mineral found in many parts of the world, including the western United States. Inhalational exposure to erionite fibers in some localities is associated with health effects similar to those caused by asbestos exposure, including malignant mesothelioma. Therefore, there is concern regarding occupational exposures in the western United States. Currently, there are no standard sampling and analytical methods for airborne erionite fibers, as well as no established occupational exposure limits. Due to the potential adverse health effects, characterizing and minimizing exposures is prudent. Crystalline silica also occurs naturally in areas where erionite is found, principally as the mineral quartz. Work activities involving rocks containing quartz and soils derived from those rocks can lead to exposure to respirable crystalline silica (RCS). The typically dry and dusty environment of the western United States can increase the likelihood of exposures to aerosolized rocks and soils, but inhalation exposure is also possible in more humid conditions. In this case study, we describe several outdoor occupational environments with potential exposures to erionite and RCS. We describe our method for evaluating those exposures and demonstrate: (1) the occurrence of occupational exposures to airborne erionite and RCS, (2) that the chemical make-up of the erionite mineral can be determined, and (3) that effective dust control practices are needed to reduce employee exposures to these minerals.
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Affiliation(s)
- Catherine Beaucham
- a National Institute for Occupational Safety and Health , Cincinnati , Ohio
| | - Bradley King
- b National Institute for Occupational Safety and Health , Denver , Colorado
| | - Karl Feldmann
- a National Institute for Occupational Safety and Health , Cincinnati , Ohio
| | - Martin Harper
- c Zefon International, Inc. , Ocala , Florida
- d Department of Environmental Engineering Sciences , University of Florida , Gainesville , Florida
| | - Alan Dozier
- a National Institute for Occupational Safety and Health , Cincinnati , Ohio
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