151
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Nagai H, Toyokuni S. Biopersistent fiber-induced inflammation and carcinogenesis: lessons learned from asbestos toward safety of fibrous nanomaterials. Arch Biochem Biophys 2010; 502:1-7. [PMID: 20599674 DOI: 10.1016/j.abb.2010.06.015] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2010] [Revised: 06/10/2010] [Accepted: 06/11/2010] [Indexed: 11/24/2022]
Abstract
Nano-sized durable fibrous materials such as carbon nanotubes have raised safety concerns similar to those raised by asbestos. However, the mechanism by which particulates with ultrafine structure cause inflammation and ultimately cancer (e.g. malignant mesothelioma and lung cancer) is largely unknown. This is partially because the particulates are not uniform and they vary in a plethora of factors. Such variances include length, diameter, surface area, density, shape, contaminant metals (including iron) and crystallinity. Each of these factors is involved in particulate toxicity both in vitro and in vivo. Thus, the elicited biological responses are incredibly complicated. Various kinds of fibers were evaluated with different cells, animals and methods. The aim of this review is to concisely summarize previous reports from the standpoint that activation of macrophages and mesothelial injury are the two major mechanisms of inflammation and possibly cancer. Importantly, these two mechanisms appear to be interacting with each other. However, there is a lack of data on the interplay of macrophage and mesothelium especially in vivo. Since fibrous nanomaterials present potential applications in various fields, it is necessary to develop standard evaluation methods to minimize risks for human health.
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Affiliation(s)
- Hirotaka Nagai
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Aichi, Japan
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152
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Asakura M, Sasaki T, Sugiyama T, Takaya M, Koda S, Nagano K, Arito H, Fukushima S. Genotoxicity and Cytotoxicity of Multi‐wall Carbon Nanotubes in Cultured Chinese Hamster Lung Cells in Comparison with Chrysotile A Fibers. J Occup Health 2010; 52:155-66. [DOI: 10.1539/joh.l9150] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Masumi Asakura
- Japan Bioassay Research CenterJapan Industrial Safety and Health AssociationJapan
| | - Toshiaki Sasaki
- Japan Bioassay Research CenterJapan Industrial Safety and Health AssociationJapan
| | - Toshie Sugiyama
- Japan Bioassay Research CenterJapan Industrial Safety and Health AssociationJapan
| | | | - Shigeki Koda
- National Institute of Occupational Safety and HealthJapan
| | - Kasuke Nagano
- Japan Bioassay Research CenterJapan Industrial Safety and Health AssociationJapan
| | - Heihachiro Arito
- Japan Bioassay Research CenterJapan Industrial Safety and Health AssociationJapan
| | - Shoji Fukushima
- Japan Bioassay Research CenterJapan Industrial Safety and Health AssociationJapan
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153
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Firme CP, Bandaru PR. Toxicity issues in the application of carbon nanotubes to biological systems. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2010; 6:245-56. [DOI: 10.1016/j.nano.2009.07.003] [Citation(s) in RCA: 421] [Impact Index Per Article: 30.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2008] [Revised: 06/16/2009] [Accepted: 07/23/2009] [Indexed: 12/20/2022]
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154
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Darne C, Terzetti F, Coulais C, Fournier J, Guichard Y, Gaté L, Binet S. In vitro cytotoxicity and transforming potential of industrial carbon dust (fibers and particles) in syrian hamster embryo (SHE) cells. ACTA ACUST UNITED AC 2010; 54:532-44. [PMID: 20219837 DOI: 10.1093/annhyg/meq012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Carbon fibers have many applications, mainly in high-tech industries such as the aviation industry. Eleven carbon samples (fibers and particles) coming from an aeronautic group were tested for their cytotoxicity and carcinogenic potential using in vitro short-term assays in Syrian hamster embryo cells. These samples were taken during each important step of the process, i.e. from the initial heating of polyacrylonitrile fibers to pure carbon fibers. They were compared to an asbestos fiber, an amorphous silica, and two commercial graphite powders. Their physical-chemical characteristics and their capacity to release reactive oxygen species (ROS) were determined. This study showed that none of the carbon samples was able to generate ROS as measured by Electron Paramagnetic Resonance analysis, and in our biological assays, they demonstrated no morphological transformation potential and low cytotoxicity compared to positive control (chrysotile asbestos).
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Affiliation(s)
- C Darne
- Département Polluants et Santé, Institut National de Recherche et de Sécurité (INRS), 54519 Vandoeuvre Cedex, France.
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155
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Lindberg HK, Falck GCM, Catalán J, Santonen T, Norppa H. Micronucleus assay for mouse alveolar Type II and Clara cells. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2010; 51:164-172. [PMID: 19705410 DOI: 10.1002/em.20520] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The objective of our study was to develop a micronucleus (MN) assay for detecting genotoxic damage after inhalation exposure in mouse alveolar Type II and Clara cells, potential target cells for lung carcinogens. Ten male C57BL/6J mice were exposed to ethylene oxide (630 mg/m(3)) for 4 hr via inhalation; 10 unexposed mice serving as controls. 72 hr after the exposure, Clara cells and alveolar Type II cells were isolated using two different methods. Method 1 included a 15-min trypsin lavage and a 2-hr incubation of cell suspension. Method 2 involved a 30-min trypsin lavage, Percoll gradient centrifugation, and a 48-hr incubation for cell attachment. Nitro blue tetrazolium (NBT) -staining was applied to distinguish Clara cells. The frequency of micronuclei (MNi) was scored in NBT-negative cells (defined as Type II cells in Method 2) and NBT-positive cells (Clara cells). To detect possible differences between the techniques, MNi in Clara cells were analyzed from samples prepared by both methods. With Method 2, a clear increase in the mean frequency of micronucleated cells was seen in the exposed mice as compared with the controls, for both alveolar Type II and Clara cells. However, no significant increase in MN frequency was seen in Clara cells analyzed from samples prepared by Method 1. Based on our findings, mouse alveolar Type II and Clara cells seem to be suitable for MN analysis in studies aimed at identifying genotoxic lung carcinogens. Both alveolar Type II and Clara cells can be isolated using Method 2.
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Affiliation(s)
- Hanna K Lindberg
- New Technologies and Risks, Work Environment Development, Finnish Institute of Occupational Health, FI-00250 Helsinki, Finland
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156
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Ravichandran P, Periyakaruppan A, Sadanandan B, Ramesh V, Hall JC, Jejelowo O, Ramesh GT. Induction of apoptosis in rat lung epithelial cells by multiwalled carbon nanotubes. J Biochem Mol Toxicol 2010; 23:333-44. [PMID: 19827037 DOI: 10.1002/jbt.20296] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Carbon nanotubes (CNTs), the most promising material with unique characteristics, find its application in different fields ranging from composite materials to medicine and from electronics to energy storage. However, little is known about the mechanism behind the interaction of these particles with cells and their toxicity. So, here we investigated the adverse effects of multiwalled CNTs (MWCNTs) in rat lung epithelial (LE) cells. The results showed that the incubation of LE cells with 0.5-10 microg/mL of MWCNTs caused a dose- and time-dependent increase in the formation of free radicals, the accumulation of peroxidative products, the loss of cell viability, and antioxidant depletion. The significant amount of incorporation of dUTPs in the nucleus after 24 h confirms the induction of apoptosis. It was also observed that there is an increase in the activity of both caspases-3 and caspase-8 in cells, with increases in time and the concentration of MWCNTs. No significant incorporation of dUTPs was observed in cells, incubated with z-VAD-fmk, which confirmed the role of caspases in DNA fragmentation. The present study reveals that MWCNTs induced oxidative stress and stimulated apoptosis signaling pathway through caspase activation in rat LE cell lines.
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Affiliation(s)
- Prabakaran Ravichandran
- Molecular Toxicology Laboratory, Center for Biotechnology & Biomedical Sciences, Department of Biology, Norfolk State University, Norfolk, VA 23504, USA
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157
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Wu HC, Chang X, Liu L, Zhao F, Zhao Y. Chemistry of carbon nanotubes in biomedical applications. ACTA ACUST UNITED AC 2010. [DOI: 10.1039/b911099m] [Citation(s) in RCA: 203] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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158
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Kim JE, Lim HT, Minai-Tehrani A, Kwon JT, Shin JY, Woo CG, Choi M, Baek J, Jeong DH, Ha YC, Chae CH, Song KS, Ahn KH, Lee JH, Sung HJ, Yu IJ, Beck GR, Cho MH. Toxicity and clearance of intratracheally administered multiwalled carbon nanotubes from murine lung. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2010; 73:1530-1543. [PMID: 20954079 DOI: 10.1080/15287394.2010.511578] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Carbon nanotubes (CNT) are known to have widespread industrial applications; however, several reports indicated that these compounds may be associated with adverse effects in humans. In this study, multiwalled carbon nanotubes were administered to murine lungs intratracheally to determine whether acute and chronic pulmonary toxicity occurred. In particular, pristine multiwalled carbon nanotubes (PMWCNT) and acid-treated multiwalled carbon nanotubes (TMWCNT) were used in this study. In broncheoalveolar lavage fluid (BALF) cell analysis, PMWCNT induced more severe acute inflammatory cell recruitment than TMWCNT. Histopathologically, both PMWCNT and TMWCNT induced multifocal inflammatory granulomas in a dose-dependent manner. The observed granulomas were reversible, with TMWCNT-induced granulomas diminishing faster than PMWCNT-induced granulomas. Although the area of granuloma reduced with time, hyperplasia and dysplastic characteristics such as mitotic figures, anisokaryosis, and anisocytosis were still observed. These findings demonstrate that MWCNT induces granulomatous inflammation, and the duration and pattern of inflammation seem to vary depending upon the types of MWCNT to which mice are exposed. Therefore, toxicity studies on various types of CNT are needed as the responsiveness to these compounds differs.
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Affiliation(s)
- Ji-Eun Kim
- Laboratory of Toxicology, College of Veterinary Medicine, Seoul National University, Seoul, Korea
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159
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Pacurari M, Castranova V, Vallyathan V. Single- and multi-wall carbon nanotubes versus asbestos: are the carbon nanotubes a new health risk to humans? JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2010; 73:378-395. [PMID: 20155580 DOI: 10.1080/15287390903486527] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Carbon nanotubes (CNT), since their discovery, have become one of the most promising nanomaterials in many industrial and biomedical applications. Due to their unique physicochemical properties, interest is growing in the manufacture of CNT-based products and their subsequent marketing. Since their discovery, the prospect of possible undesirable human health effects has been a focus of many scientific studies. Although CNT possess unique physical properties that include (1) nanoscale diameter, (2) a wide length distribution ranging from tens of nanometers to several micrometers, and (3) high aspect ratio, the fibrous-like shape and durability suggest that their toxic properties may be analogous to those observed with other fibrous particles, such as asbestos. The present study provides a summary of published findings on CNT bioactivity, such as the potential of CNT, especially of multi-wall carbon nanotubes (MWCNT), to activate signaling pathways modulating transcription factor activity, induce apoptosis, induce DNA damage, and initiate biological responses. Assessment of risks to human health and adoption of appropriate exposure controls is critical for the safe and successful introduction of CNT -based products for future applications.
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Affiliation(s)
- Maricica Pacurari
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, West Virginia, USA
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160
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Patlolla A, Patlolla B, Tchounwou P. Evaluation of cell viability, DNA damage, and cell death in normal human dermal fibroblast cells induced by functionalized multiwalled carbon nanotube. Mol Cell Biochem 2009; 338:225-32. [PMID: 20016928 DOI: 10.1007/s11010-009-0356-2] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2009] [Accepted: 12/03/2009] [Indexed: 11/29/2022]
Abstract
Multiwalled carbon nanotubes (MWCNTs) are an example of a carbon-based nanomaterial that has won enormous popularity in nanotechnology. Due to their unusual one-dimensional hollow nanostructure and unique physicochemical properties, they are highly desirable for use within the commercial, environmental, and medical sectors. Despite their wide application, there is a lack of information concerning their impact on human health and the environment. While nanotechnology looms large with commercial promise and potential benefit, an equally large issue is the evaluation of potential effects on humans and other biological systems. Our research is focused on cellular response to purified functionalized MWCNT in normal human dermal fibroblast cells. Three exposure concentrations (40, 200, and 400 microg/ml) of functionalized MWCNT and control (Tween-80 + 0.9% saline) were used in this study. Following exposure to MWCNT, cytotoxicity, genotoxicity, and apoptosis assays were performed using standard protocols. Our results demonstrated a dose-dependent toxicity with functionalized MWCNT. It was found to be toxic and induced massive loss of cell viability through DNA damage and programmed cell death of all doses compared to control. Our results demonstrate that carbon nanotubes indeed can be very toxic at sufficiently high concentrations from environmental and occupational exposure and that careful monitoring of toxicity studies is essential for risk assessment.
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Affiliation(s)
- Anita Patlolla
- Molecular Toxicology Research Laboratory, NIH-Center for Environmental Health, Jackson State University, Jackson, MS, USA.
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161
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Vankoningsloo S, Piret JP, Saout C, Noel F, Mejia J, Zouboulis CC, Delhalle J, Lucas S, Toussaint O. Cytotoxicity of multi-walled carbon nanotubes in three skin cellular models: Effects of sonication, dispersive agents and corneous layer of reconstructed epidermis. Nanotoxicology 2009; 4:84-97. [DOI: 10.3109/17435390903428869] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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162
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Boczkowski J, Hoet P. What's new in nanotoxicology? Implications for public health from a brief review of the 2008 literature. Nanotoxicology 2009; 4:1-14. [DOI: 10.3109/17435390903428844] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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163
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Rotoli BM, Bussolati O, Barilli A, Zanello PP, Bianchi MG, Magrini A, Pietroiusti A, Bergamaschi A, Bergamaschi E. Airway barrier dysfunction induced by exposure to carbon nanotubes in vitro: which role for fiber length? Hum Exp Toxicol 2009; 28:361-8. [PMID: 19755447 DOI: 10.1177/0960327109105159] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Although carbon nanotubes (CNTs) are increasingly used, their biological effects are only incompletely characterized. However, experimental evidence suggests that the intratracheal instillation of CNTs causes the formation of interstitial granulomas and progressive pulmonary fibrosis in rodents. Using human epithelial Calu-3 cells as a model of airway epithelium in vitro, we have recently reported that the exposure to commercial multi-walled CNTs (MWCNTs) causes a progressive decrease of the transepithelial electrical resistance (TEER), pointing to a CNT-dependent impairment of the epithelial barrier function. To characterize better this behavior, we compared the effects of two types of MWCNTs and single-walled CNTs (SWCNTs) of different lengths on the TEER of Calu-3 monolayers. All the materials were used at a dose of 100 microg/mL corresponding to an exposure of 73 microg/cm(2) of cell monolayer. Only the longer MWCNTs and SWCNTs cause a significant decrease in TEER. To elucidate the mechanism underlying the changes in barrier function, the expression of the junction proteins occludin and ZO-1 has been also assessed. No significant decrease in the mRNA for either protein is detectable after the exposure to any type of CNTs. It is concluded that the impairment of barrier function in Calu-3 monolayers is a peculiar effect of CNTs endowed with clear cut fiber properties and is not referable to marked changes in the expression of junction proteins.
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Affiliation(s)
- B M Rotoli
- Unit of General and Clinical Pathology, Department of Experimental Medicine, University of Parma, Parma
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164
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Ochsenkühn MA, Jess PRT, Stoquert H, Dholakia K, Campbell CJ. Nanoshells for surface-enhanced Raman spectroscopy in eukaryotic cells: cellular response and sensor development. ACS NANO 2009; 3:3613-3621. [PMID: 19807067 DOI: 10.1021/nn900681c] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The application of gold nanoshells (NS) as a surface-enhanced Raman (SER) platform for intracellular sensing in NIH-3T3 fibroblast cells was studied by using a near-infrared Raman system. To show the feasibility of using these 151 +/- 5 nm sized solution-stable nanoparticles inside living cells, we investigated the uptake, cellular response, and the health of the cell population. We show that NS are taken up voluntarily and can be found in the cytosol by transmission electron microscopy (TEM), which also provides detailed information about location and immediate surrounding of the NS. The internalization into cells has been found to be independent of active cellular mechanisms, such as endocytosis, and can be suggested to be of passive nature. Uptake of NS into cells can be controlled, and cells show no increase in necrosis or apoptosis as a result; we show that NS-based intracytosolic SER spectra can be measured on biological samples using short acquisition times and low laser powers. We demonstrate its application using 4-mercaptobenzoic acid (4-MBA)-functionalized nanoshells as a pH sensor.
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165
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Hoet P, Legiest B, Geys J, Nemery B. Do nanomedicines require novel safety assessments to ensure their safety for long-term human use? Drug Saf 2009; 32:625-36. [PMID: 19591528 DOI: 10.2165/00002018-200932080-00002] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Nanomaterials have different chemical, physical and biological characteristics than larger materials of the same chemical composition. These differences give nanotechnology a double identity: their use implies novel and interesting medical and/or industrial applications but also potential danger for human and environmental health. Here, we briefly review the most important types of nanomaterials, the difficulties in assessing safety or toxicity, and describe existing test protocols used in nanomaterial safety evaluation. In general, the big challenge of nanotechnology, particularly for nanomedicine (nano-bioengineering), is to understand which nano-specific characteristics interact with particular biological systems and functions in order to optimize the therapeutic potential and reduce the undesired responses. The evaluation of the safety of medicinal nanomaterials, especially for long-term application, is an important challenge for the near future. At present, it is still too early to predict, on the basis of the characteristics of the nanomaterial, a possible biological response because no reliable database exists. Therefore, a case-by-case approach for hazard identification is still required, so it is difficult to establish a risk assessment framework.
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Affiliation(s)
- Peter Hoet
- K.U. Leuven, Faculty of Medicine, Department of Public Health Occupational, Environmental & Insurance Medicine, Laboratorium voor Pneumologie (Longtoxicologie), B-3000 Leuven, Belgium.
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166
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Sargent LM, Shvedova AA, Hubbs AF, Salisbury JL, Benkovic SA, Kashon ML, Lowry DT, Murray AR, Kisin ER, Friend S, McKinstry KT, Battelli L, Reynolds SH. Induction of aneuploidy by single-walled carbon nanotubes. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2009; 50:708-17. [PMID: 19774611 DOI: 10.1002/em.20529] [Citation(s) in RCA: 92] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Engineered carbon nanotubes are newly emerging manufactured particles with potential applications in electronics, computers, aerospace, and medicine. The low density and small size of these biologically persistent particles makes respiratory exposures to workers likely during the production or use of commercial products. The narrow diameter and great length of single-walled carbon nanotubes (SWCNT) suggest the potential to interact with critical biological structures. To examine the potential of nanotubes to induce genetic damage in normal lung cells, cultured primary and immortalized human airway epithelial cells were exposed to SWCNT or a positive control, vanadium pentoxide. After 24 hr of exposure to either SWCNT or vanadium pentoxide, fragmented centrosomes, multiple mitotic spindle poles, anaphase bridges, and aneuploid chromosome number were observed. Confocal microscopy demonstrated nanotubes within the nucleus that were in association with cellular and mitotic tubulin as well as the chromatin. Our results are the first to report disruption of the mitotic spindle by SWCNT. The nanotube bundles are similar to the size of microtubules that form the mitotic spindle and may be incorporated into the mitotic spindle apparatus.
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Affiliation(s)
- L M Sargent
- Toxicology and Molecular Biology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV 26505, USA.
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167
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Mrdanović J, Solajić S, Bogdanović V, Stankov K, Bogdanović G, Djordjevic A. Effects of fullerenol C60(OH)24 on the frequency of micronuclei and chromosome aberrations in CHO-K1 cells. Mutat Res 2009; 680:25-30. [PMID: 19733687 DOI: 10.1016/j.mrgentox.2009.08.008] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2009] [Revised: 08/18/2009] [Accepted: 08/28/2009] [Indexed: 11/25/2022]
Abstract
Poly-hydroxylated C(60) fullerenols (C(60)(OH)(n)) have attracted much attention in biomedical research, due to a variety of biological activities. However, the studies investigating the genotoxic effects of fullerenols are still insufficient. The aim of the present study was to analyze the genotoxic and antigenotoxic potential of fullerenol C(60)(OH)(24). The investigation was carried out with mitomycin C (MMC)-treated and control Chinese hamster ovary cells (CHO-K1), using the chromosome aberration (CA) assay and the cytokinesis-block micronucleus (CBMN) test. Cells were treated with fullerenol nanoparticles, which are well known for their antioxidative properties and cytoprotective effects, both in vivo and in vitro. Our study showed the absence of genotoxicity of fullerenol in a wide range of concentrations (11-221 microM). Fullerenol mediated the decrease in the frequency of micronuclei (MN) and chromosome aberrations compared with the controls at all endpoints examined. A dose-dependent decrease of MN frequency was found 24h after treatment with fullerenol, in contrast to the outcome of the CA assay. Cell proliferation was equally influenced by fullerenol. The majority of aberrations were of the chromosome-type. Our results show that fullerenol does not induce genotoxic effects, and that it protects both non-damaged and MMC-damaged CHO-K1 cells.
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Affiliation(s)
- Jasminka Mrdanović
- Oncology Institute of Vojvodina, Experimental Oncology Department, 21204 Sremska Kamenica, Serbia
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168
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Sanchez VC, Pietruska JR, Miselis NR, Hurt RH, Kane AB. Biopersistence and potential adverse health impacts of fibrous nanomaterials: what have we learned from asbestos? WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2009; 1:511-29. [PMID: 20049814 PMCID: PMC2864601 DOI: 10.1002/wnan.41] [Citation(s) in RCA: 142] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Human diseases associated with exposure to asbestos fibers include pleural fibrosis and plaques, pulmonary fibrosis (asbestosis), lung cancer, and diffuse malignant mesothelioma. The critical determinants of fiber bioactivity and toxicity include not only fiber dimensions, but also shape, surface reactivity, crystallinity, chemical composition, and presence of transition metals. Depending on their size and dimensions, inhaled fibers can penetrate the respiratory tract to the distal airways and into the alveolar spaces. Fibers can be cleared by several mechanisms, including the mucociliary escalator, engulfment, and removal by macrophages, or through splitting and chemical modification. Biopersistence of long asbestos fibers can lead to inflammation, granuloma formation, fibrosis, and cancer. Exposure to synthetic carbon nanomaterials, including carbon nanofibers and carbon nanotubes (CNTs), is considered a potential health hazard because of their physical similarities with asbestos fibers. Respiratory exposure to CNTs can produce an inflammatory response, diffuse interstitial fibrosis, and formation of fibrotic granulomas similar to that observed in asbestos-exposed animals and humans. Given the known cytotoxic and carcinogenic properties of asbestos fibers, toxicity of fibrous nanomaterials is a topic of intense study. The mechanisms of nanomaterial toxicity remain to be fully elucidated, but recent evidence suggests points of similarity with asbestos fibers, including a role for generation of reactive oxygen species, oxidative stress, and genotoxicity. Considering the rapid increase in production and use of fibrous nanomaterials, it is imperative to gain a thorough understanding of their biologic activity to avoid the human health catastrophe that has resulted from widespread use of asbestos fibers.
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Affiliation(s)
- Vanesa C. Sanchez
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, USA
| | - Jodie R. Pietruska
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, USA
| | - Nathan R. Miselis
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, USA
| | - Robert H. Hurt
- Division of Engineering, Brown University, Providence, RI, USA
| | - Agnes B. Kane
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, USA
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169
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Stone V, Johnston H, Schins RPF. Development ofin vitrosystems for nanotoxicology: methodological considerations. Crit Rev Toxicol 2009; 39:613-26. [DOI: 10.1080/10408440903120975] [Citation(s) in RCA: 244] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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170
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Park MVDZ, Lankveld DPK, van Loveren H, de Jong WH. The status of in vitro toxicity studies in the risk assessment of nanomaterials. Nanomedicine (Lond) 2009; 4:669-85. [DOI: 10.2217/nnm.09.40] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Nanotechnology applications already on the market or in development promise great benefits for humans as well as the environment. Simultaneously, the pressure to advance the development of fast methods for evaluating the potential risks of increased human exposure to nanomaterials is augmented. One way forward would be to enhance the role of in vitro toxicity studies in risk assessment procedures of nanomaterials. However, to maximize the use of in vitro assays for this purpose, their values and limitations need to be revealed. Even in risk assessment frameworks for regular chemicals, in vitro studies play a minor role. A comparative analysis of published in vitro data with nanomaterials demonstrates that there are a number of issues that need resolving before in vitro studies can play a role in the risk assessment of nanomaterials.
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Affiliation(s)
- Margriet VDZ Park
- Laboratory for Health Protection Research, National Institute for Public Health & the Environment (RIVM), Bilthoven, The Netherlands
- Department of Health Risk Analysis & Toxicology, Maastricht University, Maastricht, The Netherlands
| | - Daniëlle PK Lankveld
- Laboratory for Health Protection Research, National Institute for Public Health & the Environment (RIVM), Bilthoven, The Netherlands
| | - Henk van Loveren
- Laboratory for Health Protection Research, National Institute for Public Health & the Environment (RIVM), Bilthoven, The Netherlands
- Department of Health Risk Analysis & Toxicology, Maastricht University, Maastricht, The Netherlands
| | - Wim H de Jong
- Laboratory for Health Protection Research, National Institute for Public Health & the Environment (RIVM), Bilthoven, The Netherlands
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171
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Gonzalez L, Lison D, Kirsch-Volders M. Genotoxicity of engineered nanomaterials: A critical review. Nanotoxicology 2009. [DOI: 10.1080/17435390802464986] [Citation(s) in RCA: 121] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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172
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Ma-Hock L, Treumann S, Strauss V, Brill S, Luizi F, Mertler M, Wiench K, Gamer AO, van Ravenzwaay B, Landsiedel R. Inhalation toxicity of multiwall carbon nanotubes in rats exposed for 3 months. Toxicol Sci 2009; 112:468-81. [PMID: 19584127 DOI: 10.1093/toxsci/kfp146] [Citation(s) in RCA: 276] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Carbon nanotubes (CNT) are of great commercial interest. Theoretically, during processing and handling of CNT and in abrasion processes on composites containing CNT, inhalable CNT particles might be set free. For hazard assessment, we performed a 90-day inhalation toxicity study with a multiwall CNT (MWCNT) material (Nanocyl NC 7000) according to Organisation for Economic Co-operation and Development test guideline 413. Wistar rats were head-nose exposed for 6 h/day, 5 days/week, 13 weeks, total 65 exposures, to MWCNT concentrations of 0 (control), 0.1, 0.5, or 2.5 mg/m(3). Highly respirable dust aerosols were produced with a proprietary brush generator which neither damaged the tube structure nor increased reactive oxygen species on the surface. Inhalation exposure to MWCNT produced no systemic toxicity. However, increased lung weights, pronounced multifocal granulomatous inflammation, diffuse histiocytic and neutrophilic inflammation, and intra-alveolar lipoproteinosis were observed in lung and lung-associated lymph nodes at 0.5 and 2.5 mg/m(3). These effects were accompanied by slight blood neutrophilia at 2.5 mg/m(3). Incidence and severity of the effects were concentration related. At 0.1 mg/m(3), there was still minimal granulomatous inflammation in the lung and in lung-associated lymph nodes; a no observed effect concentration was therefore not established in this study. The test substance has low dust-forming potential, as demonstrated by dustiness measurements, but nonetheless strict industrial hygiene measures must be taken during handling and processing. Toxicity and dustiness data such as these can be used to compare different MWCNT materials and to select the material with the lowest risk potential for a given application.
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Affiliation(s)
- Lan Ma-Hock
- Product Safety, BASF SE, 67056 Ludwigshafen, Germany
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173
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Jaurand MCF, Renier A, Daubriac J. Mesothelioma: Do asbestos and carbon nanotubes pose the same health risk? Part Fibre Toxicol 2009; 6:16. [PMID: 19523217 PMCID: PMC2706793 DOI: 10.1186/1743-8977-6-16] [Citation(s) in RCA: 94] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2009] [Accepted: 06/12/2009] [Indexed: 12/24/2022] Open
Abstract
Carbon nanotubes (CNTs), the product of new technology, may be used in a wide range of applications. Because they present similarities to asbestos fibres in terms of their shape and size, it is legitimate to raise the question of their safety for human health. Recent animal and cellular studies suggest that CNTs elicit tissue and cell responses similar to those observed with asbestos fibres, which increases concern about the adverse biological effects of CNTs. While asbestos fibres' mechanisms of action are not fully understood, sufficient results are available to develop hypotheses about the significant factors underlying their damaging effects. This review will summarize the current state of knowledge about the biological effects of CNTs and will discuss to what extent they present similarities to those of asbestos fibres. Finally, the characteristics of asbestos known to be associated with toxicity will be analyzed to address the possible impact of CNTs.
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174
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Affiliation(s)
- Petia P Simeonova
- Toxicology & Molecular Biology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety & Health, Centers for Disease Control & Prevention, Morgantown, WV 26505, USA
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175
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Muller J, Delos M, Panin N, Rabolli V, Huaux F, Lison D. Absence of carcinogenic response to multiwall carbon nanotubes in a 2-year bioassay in the peritoneal cavity of the rat. Toxicol Sci 2009; 110:442-8. [PMID: 19429663 DOI: 10.1093/toxsci/kfp100] [Citation(s) in RCA: 167] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Toxicological investigations of carbon nanotubes have shown that they can induce pulmonary toxicity, and similarities with asbestos fibers have been suggested. We previously reported that multiwall carbon nanotubes (MWCNT) induced lung inflammation, granulomas and fibrotic reactions. The same MWCNT also caused mutations in epithelial cells in vitro and in vivo. These inflammatory and genotoxic activities were related to the presence of defects in the structure of the nanotubes. In view of the strong links between inflammation, mutations and cancer, these observations prompted us to explore the carcinogenic potential of these MWCNT in the peritoneal cavity of rats. The incidence of mesothelioma and other tumors was recorded in three groups of 50 male Wistar rats injected intraperitoneally with a single dose of MWCNT with defects (2 or 20 mg/animal) and MWCNT without defects (20 mg/animal). Two additional groups of 26 rats were used as positive (2 mg UICC crocidolite/animal) and vehicle controls. After 24 months, although crocidolite induced a clear carcinogenic response (34.6% animals with mesothelioma vs. 3.8% in vehicle controls), MWCNT with or without structural defects did not induce mesothelioma in this bioassay (4, 0, or 6%, respectively). The incidence of tumors other than mesothelioma was not significantly increased across the groups. The initial hypothesis of a contrasting carcinogenic activity between MWCNT with and without defects could not be verified in this bioassay. We discuss the possible reasons for this absence of carcinogenic response, including the length of the MWCNT tested (< 1 mum on average), the absence of a sustained inflammatory reaction to MWCNT, and the capacity of these MWCNT to quench free radicals.
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Affiliation(s)
- Julie Muller
- Industrial Toxicology and Occupational Medicine Unit, Catholic University of Louvain, 1200 Brussels, Belgium
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176
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Singh N, Manshian B, Jenkins GJS, Griffiths SM, Williams PM, Maffeis TGG, Wright CJ, Doak SH. NanoGenotoxicology: the DNA damaging potential of engineered nanomaterials. Biomaterials 2009; 30:3891-914. [PMID: 19427031 DOI: 10.1016/j.biomaterials.2009.04.009] [Citation(s) in RCA: 671] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2009] [Accepted: 04/13/2009] [Indexed: 01/13/2023]
Abstract
With the rapid expansion in the nanotechnology industry, it is essential that the safety of engineered nanomaterials and the factors that influence their associated hazards are understood. A vital area governing regulatory health risk assessment is genotoxicology (the study of genetic aberrations following exposure to test agents), as DNA damage may initiate and promote carcinogenesis, or impact fertility. Of late, considerable attention has been given to the toxicity of engineered nanomaterials, but the importance of their genotoxic potential on human health has been largely overlooked. This comprehensive review focuses on the reported abilities of metal nanoparticles, metal-oxide nanoparticles, quantum dots, fullerenes, and fibrous nanomaterials, to damage or interact with DNA, and their ecogenotoxicity is also considered. Many of the engineered nanomaterials assessed were found to cause genotoxic responses, such as chromosomal fragmentation, DNA strand breakages, point mutations, oxidative DNA adducts and alterations in gene expression profiles. However, there are clear inconsistencies in the literature and it is difficult to draw conclusions on the physico-chemical features of nanomaterials that promote genotoxicity, largely due to study design. Hence, areas that require that further attention are highlighted and recommendations to improve our understanding of the genotoxic potential of engineered nanomaterials are addressed.
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Affiliation(s)
- Neenu Singh
- Institute of Life Science, School of Medicine, Swansea University, Singleton Park, Swansea SA2 8PP, Wales, UK
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177
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Conclusions and outlook. Toxicol Lett 2009; 186:174-5. [DOI: 10.1016/j.toxlet.2008.11.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2008] [Revised: 11/10/2008] [Accepted: 11/20/2008] [Indexed: 11/30/2022]
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178
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Veetil JV, Ye K. Tailored carbon nanotubes for tissue engineering applications. Biotechnol Prog 2009; 25:709-21. [DOI: 10.1002/btpr.165] [Citation(s) in RCA: 105] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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179
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Lindberg HK, Falck GCM, Suhonen S, Vippola M, Vanhala E, Catalán J, Savolainen K, Norppa H. Genotoxicity of nanomaterials: DNA damage and micronuclei induced by carbon nanotubes and graphite nanofibres in human bronchial epithelial cells in vitro. Toxicol Lett 2009; 186:166-73. [DOI: 10.1016/j.toxlet.2008.11.019] [Citation(s) in RCA: 172] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2008] [Revised: 11/10/2008] [Accepted: 11/12/2008] [Indexed: 10/21/2022]
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180
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Tejral G, Panyala NR, Havel J. Carbon nanotubes: toxicological impact on human health and environment. J Appl Biomed 2009. [DOI: 10.32725/jab.2009.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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181
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Albrecht C, Knaapen AM, Demircigil GC, Coskun E, Schooten FJV, Borm PJA, Schins RPF. Genomic instability in quartz dust exposed rat lungs: Is inflammation responsible? ACTA ACUST UNITED AC 2009. [DOI: 10.1088/1742-6596/151/1/012014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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182
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Landsiedel R, Kapp MD, Schulz M, Wiench K, Oesch F. Genotoxicity investigations on nanomaterials: Methods, preparation and characterization of test material, potential artifacts and limitations—Many questions, some answers. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2009; 681:241-258. [DOI: 10.1016/j.mrrev.2008.10.002] [Citation(s) in RCA: 215] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2008] [Revised: 10/28/2008] [Accepted: 10/29/2008] [Indexed: 10/21/2022]
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183
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Di Sotto A, Chiaretti M, Carru GA, Bellucci S, Mazzanti G. Multi-walled carbon nanotubes: Lack of mutagenic activity in the bacterial reverse mutation assay. Toxicol Lett 2009; 184:192-7. [DOI: 10.1016/j.toxlet.2008.11.007] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2008] [Revised: 11/11/2008] [Accepted: 11/14/2008] [Indexed: 10/21/2022]
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184
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Lison D, Laloy J, Corazzari I, Muller J, Rabolli V, Panin N, Huaux F, Fenoglio I, Fubini B. Sintered indium-tin-oxide (ITO) particles: a new pneumotoxic entity. Toxicol Sci 2009; 108:472-81. [PMID: 19176593 DOI: 10.1093/toxsci/kfp014] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Indium-Tin-Oxide (ITO) is a sintered mixture of indium- (In(2)O(3)) and tin-oxide (SnO(2)) in a ratio of 90:10 (wt:wt) that is used for the manufacture of LCD screens and related high technology applications. Interstitial pulmonary diseases have recently been reported in workers from ITO producing plants. The present study was conducted to identify experimentally the exact chemical component responsible for this toxicity and to address possible mechanisms of action. The reactivity of respirable ITO particles was compared with that of its single components alone or their unsintered 90:10 mixture (MIX) both in vivo and in vitro. For all endpoints considered, ITO particles behaved as a specific toxic entity. In vivo, after a single pharyngeal administration (2-20 mg per rat), ITO particles induced a strong inflammatory reaction. At day 3, the inflammatory reaction (cell accumulation, LDH and protein in bronchoalveolar lavage fluid) appeared more marked with ITO particles than with each oxide separately or the MIX. This inflammatory reaction persisted and even worsened after 15 days. After 60 days, this inflammation was still present but no significant fibrotic response was observed. The cytotoxicity of ITO was assessed in vitro in lung epithelial cells (RLE) and macrophages (NR8383 cell line). While ITO particles (up to 200 microg/ml) did not affect epithelial cell integrity (LDH release), a strong cytotoxic response was found in macrophages exposed to ITO, but not to its components alone or mixed. ITO particles also induced an increased frequency of micronuclei in type II pneumocytes in vivo but not in RLE in vitro, suggesting the preponderance of a secondary genotoxic mechanism. To address the possible mechanism of ITO toxicity, reactive oxygen species production was assessed by electron paramagnetic resonance spectrometry in an acellular system. Carbon centered radicals (COO-.) and Fenton-like activity were detected in the presence of ITO particles, not with In(2)O(3), SnO(2) alone, or the MIX. Because the unsintered mixture of SnO(2) and In(2)O(3) particles was unable to reproduce the reactivity/toxicity of ITO particles, the sintering process through which SnO(2) molecules are introduced within the crystal structure of In(2)O(3) appears critical to explain the unique toxicological properties of ITO. The inflammatory and genotoxic activities of ITO dust indicate that a strict control of exposure is needed in industrial settings.
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Affiliation(s)
- Dominique Lison
- Industrial Toxicology and Occupational Medicine unit, Catholic University of Louvain, Brussels, Belgium.
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185
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Haniu H, Matsuda Y, Takeuchi K. Potential of a Novel Safety Evaluation of Nanomaterials Using a Proteomic Approach. ACTA ACUST UNITED AC 2009. [DOI: 10.1248/jhs.55.428] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Hisao Haniu
- Department of Integrative Physiology & Bio-System Control, School of Medicine, Shinshu University
| | | | - Kenji Takeuchi
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Shinshu University
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186
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Muller J, Huaux F, Fonseca A, Nagy JB, Moreau N, Delos M, Raymundo-Piñero E, Béguin F, Kirsch-Volders M, Fenoglio I, Fubini B, Lison D. Structural Defects Play a Major Role in the Acute Lung Toxicity of Multiwall Carbon Nanotubes: Toxicological Aspects. Chem Res Toxicol 2008; 21:1698-705. [DOI: 10.1021/tx800101p] [Citation(s) in RCA: 215] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Julie Muller
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - François Huaux
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - Antonio Fonseca
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - Janos B. Nagy
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - Nicolas Moreau
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - Monique Delos
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - Encarnacion Raymundo-Piñero
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - François Béguin
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - Micheline Kirsch-Volders
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - Ivana Fenoglio
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - Bice Fubini
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
| | - Dominique Lison
- Industrial Toxicology and Occupational Medicine unit, Université Catholique de Louvain, Avenue Mounier, 53.02, 1200 Brussels, Belgium, Laboratoire de Chimie et d’Electrochimie des Surfaces, Facultés Universitaires Notre Dame de la Paix, Rue de Bruxelles, 61, 5000 Namur, Belgium, Hôpital Universitaire Mont-Godinne, Laboratoire d’Anatomie Pathologique, Yvoir, Belgium, CRMD, CNRS-University, 1B Rue de la Férollerie, 45071 Orléans CEDEX 2, France, Laboratorium voor Cellulaire Genetica, Vrije Universiteit
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187
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Hirano S, Kanno S, Furuyama A. Multi-walled carbon nanotubes injure the plasma membrane of macrophages. Toxicol Appl Pharmacol 2008; 232:244-51. [PMID: 18655803 DOI: 10.1016/j.taap.2008.06.016] [Citation(s) in RCA: 129] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2008] [Revised: 06/21/2008] [Accepted: 06/24/2008] [Indexed: 10/21/2022]
Abstract
Carbon nanotubes (CNTs) are emerging nanotechnology materials which are likely to be mass-produced in the near future. However, prior to mass-production, certain health-related concerns should first be addressed. For example, when inhaled, the thin-fibrous shape and the biopersistent characteristics of CNTs may cause pulmonary diseases, in a manner similar to asbestos. In the present study, mouse macrophages (J774.1) were exposed to highly-purified multi-walled CNTs (MWCNTs, 67 nm) or to UICC crocidolite in order to evaluate the toxicity of these nano-size fibers. The cytotoxicity of MWCNTs was found to be higher than that of crocidolite. The toxic effect of MWCNTs was not affected by N-acetylcysteine, an antioxidant, or buthionine sulfoximine, a glutathione synthesis inhibitor. cDNA microarray analyses suggested that the cytotoxicity of MWCNTs could not be explained satisfactorily by either an increase or decrease of gene expression, although mRNA levels of some cytokines were slightly increased by MWCNTs. Moreover, MWCNTs did not significantly activate either MAP kinases such as ERK, JNK and p38, nor common apoptosis pathways such as caspase 3 and PARP. Electron microscopic studies indicated that MWCNTs associate with the plasma membrane of macrophages and disrupt the integrity of the membrane. Several proteins were found to adsorb onto MWCNTs when MWCNT-exposed macrophages were gently lysed. One of these proteins was macrophage receptor with collagenous structure (MARCO). MARCO-transfected CHO-K1 cells associated with MWCNTs more rapidly than mock-transfected cells. These results indicate that MWCNTs probably trigger cytotoxic effects in phagocytotic cells by reacting with MARCO on the plasma membrane and rupturing the plasma membrane.
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Affiliation(s)
- Seishiro Hirano
- Environmental Nanotoxicology Section, RCER, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan.
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188
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Rotoli BM, Bussolati O, Bianchi MG, Barilli A, Balasubramanian C, Bellucci S, Bergamaschi E. Non-functionalized multi-walled carbon nanotubes alter the paracellular permeability of human airway epithelial cells. Toxicol Lett 2008; 178:95-102. [PMID: 18403140 DOI: 10.1016/j.toxlet.2008.02.007] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2008] [Revised: 02/26/2008] [Accepted: 02/26/2008] [Indexed: 11/25/2022]
Abstract
Little information is available upon the effects of carbon nanotubes (CNT) on the airway barrier. Here we study the barrier function of Calu-3 human airway epithelial cells, grown on permeable filters, after the exposure to commercial single-walled or multi-walled CNT, produced through chemical vapour deposition. To assess changes in the paracellular permeability of CNT-treated Calu-3 monolayers, we have measured the trans-epithelial electrical resistance (TEER) and the permeability to mannitol. Multi-walled CNT caused a large decrease in TEER and an increase in mannitol permeability but no substantial alteration in monolayer viability. Single-walled CNT produced much smaller changes of TEER while CNT, synthesized through the arc discharge method, and Carbon Black nanoparticles had no effect. If commercial multi-walled CNT were added during the formation of the tight monolayer, no further increase in trans-epithelial resistance was observed. Moreover, the same nanomaterials, but neither single-walled counterparts nor Carbon Black, prevented the TEER recovery observed after the discontinuation of interleukin-4, a Th2 cytokine that causes a reversible barrier dysfunction in airway epithelia. These findings suggest that commercial multi-walled CNT interfere with the formation and the maintenance of tight junctional complexes in airway epithelial cells.
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Affiliation(s)
- Bianca Maria Rotoli
- Department of Experimental Medicine, Unit of General and Clinical Pathology, University of Parma, via Volturno 14, 43100 Parma, Italy
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189
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Biomedical Applications of Functionalised Carbon Nanotubes. MEDICINAL CHEMISTRY AND PHARMACOLOGICAL POTENTIAL OF FULLERENES AND CARBON NANOTUBES 2008. [DOI: 10.1007/978-1-4020-6845-4_2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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