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Campos CF, Santos VSV, Campos Júnior EOD, da Costa Estrela D, Pires LP, Meza Bravo JV, Pereira BB. Assessment of genotoxicity of air pollution in urban areas using an integrated model of passive biomonitoring. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 355:124219. [PMID: 38797347 DOI: 10.1016/j.envpol.2024.124219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 05/29/2024]
Abstract
Atmospheric pollution is a major public health issue and has become increasingly critical for human health. Urban atmospheric pollution is typically assessed through physicochemical indicators aligned with environmental legislation parameters, providing data on air quality levels. While the effects of pollution on sensitive organisms serve as a warning for public health decision-makers, there remains a need to explore the interpretation of environmental data on pollutants. The use of species adapted to urban environments as sentinels enables continuous and integrated monitoring of environmental pollution implications on biological systems. In this study, we investigated the use of the plant species Tradescantia pallida as a biomonitor to evaluate the genotoxic effects of atmospheric pollution under diverse vehicular traffic conditions. T. pallida was strategically planted at the leading urban intersections in Uberlândia, Brazil. During COVID-19 pandemic lockdowns, we compared indicators such as physical, biological, and traffic data at different intersections in residential and commercial zones. The reduction in vehicular traffic highlighted the sensitivity of plant species to changes in air and soil pollutants. T. pallida showed bioaccumulation of heavy metals Cd and Cr in monitored areas with higher traffic levels. Additionally, we established a multiple linear regression model to estimate genotoxicity using the micronucleus test, with chromium concentration in the soil (X1) and particulate matter (PM) in the atmosphere (X2) identified as the primary independent variables. Our findings provide a comprehensive portrait of the impact of vehicular traffic changes on PM and offer valuable insights for refining parameters and models of Environmental Health Surveillance.
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Affiliation(s)
- Carlos Fernando Campos
- Federal University of Uberlândia, Institute of Biotechnology, Umuarama Campus, Uberlândia, Minas Gerais, Brazil
| | | | | | | | - Luís Paulo Pires
- Federal University of Uberlândia, Sustainability Office, Santa Mônica Campus, Uberlândia, Minas Gerais, Brazil
| | - João Vitor Meza Bravo
- Federal University of Uberlandia, Institute of Geography, Santa Monica Campus, Avenida João Naves de Ávila, 2121, 38.408-100, Uberlandia, Minas Gerais, Brazil
| | - Boscolli Barbosa Pereira
- Federal University of Uberlândia, Institute of Biotechnology, Umuarama Campus, Uberlândia, Minas Gerais, Brazil; Federal University of Uberlandia, Institute of Geography, Santa Monica Campus, Avenida João Naves de Ávila, 2121, 38.408-100, Uberlandia, Minas Gerais, Brazil.
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2
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Cao X, Padoan S, Binder S, Bauer S, Orasche J, Rus CM, Mudan A, Huber A, Kuhn E, Oeder S, Lintelmann J, Adam T, Di Bucchianico S, Zimmermann R. A comparative study of persistent DNA oxidation and chromosomal instability induced in vitro by oxidizers and reference airborne particles. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2022; 874-875:503446. [PMID: 35151426 DOI: 10.1016/j.mrgentox.2022.503446] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/29/2021] [Accepted: 01/10/2022] [Indexed: 06/14/2023]
Abstract
Adverse health effects driven by airborne particulate matter (PM) are mainly associated with reactive oxygen species formation, pro-inflammatory effects, and genome instability. Therefore, a better understanding of the underlying mechanisms is needed to evaluate health risks caused by exposure to PM. The aim of this study was to compare the genotoxic effects of two oxidizing agents (menadione and 3-chloro-1,2-propanediol) with three different reference PM (fine dust ERM-CZ100, urban dust SRM1649, and diesel PM SRM2975) on monocytic THP-1 and alveolar epithelial A549 cells. We assessed DNA oxidation by measuring the oxidized derivative 8-hydroxy-2'-deoxyguanosine (8-OHdG) following short and long exposure times to evaluate the persistency of oxidative DNA damage. Cytokinesis-block micronucleus cytome assay was performed to assess chromosomal instability, cytostasis, and cytotoxicity. Particles were characterized by inductively coupled plasma mass spectrometry in terms of selected elemental content, the release of ions in cell medium and the cellular uptake of metals. PM deposition and cellular dose were investigated by a spectrophotometric method on adherent A549 cells. The level of lipid peroxidation was evaluated via malondialdehyde concentration measurement. Despite differences in the tested concentrations, deposition efficiency, and lipid peroxidation levels, all reference PM samples caused oxidative DNA damage to a similar extent as the two oxidizers in terms of magnitude but with different oxidative DNA damage persistence. Diesel SRM2975 were more effective in inducing chromosomal instability with respect to fine and urban dust highlighting the role of polycyclic aromatic hydrocarbons derivatives on chromosomal instability. The persistence of 8-OHdG lesions strongly correlated with different types of chromosomal damage and revealed distinguishing sensitivity of cell types as well as specific features of particles versus oxidizing agent effects. In conclusion, this study revealed that an interplay between DNA oxidation persistence and chromosomal damage is driving particulate matter-induced genome instability.
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Affiliation(s)
- Xin Cao
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany; Joint Mass Spectrometry Center at Analytical Chemistry, Institute of Chemistry, University of Rostock, Rostock, Germany
| | - Sara Padoan
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany; Institute of Chemistry and Environmental Engineering, University of the Bundeswehr Munich, Neubiberg, Germany
| | - Stephanie Binder
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany; Joint Mass Spectrometry Center at Analytical Chemistry, Institute of Chemistry, University of Rostock, Rostock, Germany
| | - Stefanie Bauer
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Jürgen Orasche
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Corina-Marcela Rus
- Joint Mass Spectrometry Center at Analytical Chemistry, Institute of Chemistry, University of Rostock, Rostock, Germany; Centogene GmbH, Rostock, Germany
| | - Ajit Mudan
- Institute of Chemistry and Environmental Engineering, University of the Bundeswehr Munich, Neubiberg, Germany
| | - Anja Huber
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Evelyn Kuhn
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Sebastian Oeder
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Jutta Lintelmann
- Research Unit of Molecular Endocrinology and Metabolism, Helmholtz Zentrum München, Neuherberg, Germany
| | - Thomas Adam
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany; Institute of Chemistry and Environmental Engineering, University of the Bundeswehr Munich, Neubiberg, Germany
| | - Sebastiano Di Bucchianico
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany.
| | - Ralf Zimmermann
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany; Joint Mass Spectrometry Center at Analytical Chemistry, Institute of Chemistry, University of Rostock, Rostock, Germany
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3
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Abayalath N, Malshani I, Ariyaratne R, Zhao S, Zhong G, Zhang G, Manipura A, Siribaddana A, Karunaratne P, Kodithuwakku SP. Characterization of airborne PAHs and metals associated with PM10 fractions collected from an urban area of Sri Lanka and the impact on airway epithelial cells. CHEMOSPHERE 2022; 286:131741. [PMID: 34358888 DOI: 10.1016/j.chemosphere.2021.131741] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 07/19/2021] [Accepted: 07/29/2021] [Indexed: 06/13/2023]
Abstract
Airborne particulate matter (PM), polycyclic aromatic hydrocarbons (PAHs) and heavy metals (HMs) are significant contributors leading to many human health issues. Thus, this study was designed to perform chemical analysis and biological impact of airborne particulate matter 10 (PM10) in the World heritage City of Kandy City in Sri Lanka. 12 priority PAHs and 34 metals, including 10 highly toxic HMs were quantified. The biological effects of organic extracts were assayed using an in vitro primary porcine airway epithelial cell culture model. Cytotoxicity, DNA damage, and gene expressions of selected inflammatory and cancer-related genes were also assessed. Results showed that the total PAHs ranged from 3.062 to 36.887 ng/m3. The metals were dominated by Na > Ca > Mg > Al > K > Fe > Ti, while a few toxic HMs were much higher in the air than the existing ambient air quality standards. In the bioassays, a significant cytotoxicity (p < 0.05) was observed at 300 μg/mL treatment, and significant (p < 0.05) DNA damages were noted in all treatment groups. All genes assessed were found to be significantly up-regulated (p < 0.05) after 24 h of exposure and after 48 h, only TGF-β1 and p53 did not significantly up-regulate (p < 0.05). These findings confirm that the Kandy city air contains potential carcinogenic and mutagenic compounds and thus, exposure to Kandy air may increase the health risks and respiratory tract-related anomalies.
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Affiliation(s)
- Nirodha Abayalath
- Department of Animal Science, Faculty of Agriculture, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - Indeepa Malshani
- Department of Animal Science, Faculty of Agriculture, University of Peradeniya, Peradeniya, 20400, Sri Lanka; Department of Pharmacy, Faculty of Allied Health Sciences, University of Ruhuna, Galle, 80000, Sri Lanka
| | - Rajitha Ariyaratne
- Department of Chemical and Process Engineering, Faculty of Engineering, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - Shizhen Zhao
- State Key Laboratory of Organic Geochemistry (SKLOG), Guangzhou Institute of Geochemistry (GIG), Chinese Academy of Sciences (CAS), Guangzhou, 510640, PR China
| | - Guangcai Zhong
- State Key Laboratory of Organic Geochemistry (SKLOG), Guangzhou Institute of Geochemistry (GIG), Chinese Academy of Sciences (CAS), Guangzhou, 510640, PR China
| | - Gan Zhang
- State Key Laboratory of Organic Geochemistry (SKLOG), Guangzhou Institute of Geochemistry (GIG), Chinese Academy of Sciences (CAS), Guangzhou, 510640, PR China
| | - Aruna Manipura
- Department of Chemical and Process Engineering, Faculty of Engineering, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | | | - Parakrama Karunaratne
- Department of Chemical and Process Engineering, Faculty of Engineering, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - Suranga P Kodithuwakku
- Department of Animal Science, Faculty of Agriculture, University of Peradeniya, Peradeniya, 20400, Sri Lanka; Department of Obstetrics and Gynaecology, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, PR China.
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Quezada-Maldonado EM, Sánchez-Pérez Y, Chirino YI, García-Cuellar CM. Airborne particulate matter induces oxidative damage, DNA adduct formation and alterations in DNA repair pathways. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117313. [PMID: 34022687 DOI: 10.1016/j.envpol.2021.117313] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/12/2021] [Accepted: 05/02/2021] [Indexed: 06/12/2023]
Abstract
Air pollution, which includes particulate matter (PM), is classified in group 1 as a carcinogen to humans by the International Agency for Research in Cancer. Specifically, PM exposure has been associated with lung cancer in patients living in highly polluted cities. The precise mechanism by which PM is linked to cancer has not been completely described, and the genotoxicity induced by PM exposure plays a relevant role in cell damage. In this review, we aimed to analyze the types of DNA damage and alterations in DNA repair pathways induced by PM exposure, from both epidemiological and toxicological studies, to comprehend the contribution of PM exposure to carcinogenesis. Scientific evidence supports that PM exposure mainly causes oxidative stress by reactive oxygen species (ROS) and the formation of DNA adducts, specifically by polycyclic aromatic hydrocarbons (PAH). PM exposure also induces double-strand breaks (DSBs) and deregulates the expression of some proteins in DNA repair pathways, precisely, base and nucleotide excision repairs and homologous repair. Furthermore, specific polymorphisms of DNA repair genes could lead to an adverse response in subjects exposed to PM. Nevertheless, information about the effects of PM on DNA repair pathways is still limited, and it has not been possible to conclude which pathways are the most affected by exposure to PM or if DNA damage is repaired properly. Therefore, deepening the study of genotoxic damage and alterations of DNA repair pathways is needed for a more precise understanding of the carcinogenic mechanism of PM.
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Affiliation(s)
- Ericka Marel Quezada-Maldonado
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP 14080, CDMX, Mexico; Programa de Doctorado en Ciencias Biomédicas, Universidad Nacional Autónoma de México, Unidad de Posgrado Edificio B, Primer Piso, Ciudad Universitaria, Coyoacán, CP 04510, Ciudad de México, Mexico
| | - Yesennia Sánchez-Pérez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP 14080, CDMX, Mexico
| | - Yolanda I Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090, Estado de México, Mexico
| | - Claudia M García-Cuellar
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP 14080, CDMX, Mexico.
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5
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Nieto Marín V, Echavarría Mazo LV, Londoño Berrio M, Orozco Jiménez LY, Estrada Vélez V, Isaza JP, Ortiz-Trujillo IC. Genotoxicity of organic material extracted from particulate matter of alternative fuels. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:17844-17852. [PMID: 33400118 DOI: 10.1007/s11356-020-10894-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 09/16/2020] [Indexed: 06/12/2023]
Abstract
Global demand for energy is rapidly increasing, and resources for the production of petroleum-based fuels are running out. For this, renewable fuels like biodiesel and hydrotreated vegetable oil biofuel are considered important alternatives to replace such fuels. In this study, we evaluated the in vitro genotoxicity effect on HepG2 cells of organic material extracted from particulate matter emissions of an engine fueled with conventional diesel or mixtures of diesel with 10% of biomass. The emissions were collected in two operational modes, 2410 rpm (slope simulation) and 1890 rpm (plane). Genotoxicity was evaluated through two methods, chromosomal aberration test and the alkaline comet assay. The former did not show any genotoxic effect, but the latter exhibited a statistically significant effect despite the operational mode of the engine and the concentration organic material extracted. In conclusion, regardless of the concentration of organic material extracted from particulate matter, the operational mode of the engine, or the fuel used, a significant damage of the DNA was found. In general, at the physicochemical level, a decrease in the amount of emissions of the used fuels is not directly related to a decrease in the genotoxicity potential.
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Affiliation(s)
- Valentina Nieto Marín
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Leidy Vanessa Echavarría Mazo
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Maritza Londoño Berrio
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Luz Yaneth Orozco Jiménez
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Verónica Estrada Vélez
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Juan Pablo Isaza
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Isabel Cristina Ortiz-Trujillo
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia.
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Liu J, Zhang J, Ren L, Wei J, Zhu Y, Duan J, Jing L, Sun Z, Zhou X. Fine particulate matters induce apoptosis via the ATM/P53/CDK2 and mitochondria apoptosis pathway triggered by oxidative stress in rat and GC-2spd cell. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 180:280-287. [PMID: 31100592 DOI: 10.1016/j.ecoenv.2019.05.013] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 04/05/2019] [Accepted: 05/05/2019] [Indexed: 06/09/2023]
Abstract
Fine particulate matters (PM2.5) have been associated with male reproductive toxicity because it can penetrate into the lung's gas-exchange region, and spread to the whole body via circulatory system. Previous studies have shown that PM2.5 could induce DNA damage and apoptosis by reactive oxygen species (ROS). The aim of the present study is to determine the exact mechanism and role of apoptosis induced by PM2.5 in spermatocyte cells. Male Sprague-Dawley (SD) rats were treated with normal saline (control group) or PM2.5 with the doses of 1.8, 5.4 and 16.2 mg/kg bw. via intratracheal instillation every 3 days for 30 days. Mouse spermatocyte-derived cells (GC-2spd cells) were treated with various concentrations (0, 50, 100, 200 μg/mL) of PM2.5 for 24 h. The results showed that exposure to PM2.5 resulted in injury of testicular tissue and impaired mitochondria integrity in GC-2spd cells. Moreover, PM2.5 induced DNA damage and apoptosis in GC-2spad cells via ROS generation, and the ATM/P53/CDK2 and mitochondria apoptosis pathway autophagy signal pathway were activated. N-Acetyl-L-cysteine (NAC), a well-known antioxidant, ameliorated DNA damage, and inhibited apoptosis. These findings demonstrated PM2.5 might induce apoptosis via the mitochondrial apoptosis pathway through causing DNA damage resulting from oxidative stress, and finally caused spermatogenesis disorder.
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Affiliation(s)
- Jianhui Liu
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Jin Zhang
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Lihua Ren
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; School of Nursing, Peking University, Beijing, 100191, China
| | - Jialiu Wei
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Yupeng Zhu
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Junchao Duan
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Li Jing
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Zhiwei Sun
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China.
| | - Xianqing Zhou
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China.
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de Oliveira AAF, de Oliveira TF, Dias MF, Medeiros MHG, Di Mascio P, Veras M, Lemos M, Marcourakis T, Saldiva PHN, Loureiro APM. Genotoxic and epigenotoxic effects in mice exposed to concentrated ambient fine particulate matter (PM 2.5) from São Paulo city, Brazil. Part Fibre Toxicol 2018; 15:40. [PMID: 30340610 PMCID: PMC6194750 DOI: 10.1186/s12989-018-0276-y] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 10/03/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The Metropolitan Area of São Paulo has a unique composition of atmospheric pollutants, and positive correlations between exposure and the risk of diseases and mortality have been observed. Here we assessed the effects of ambient fine particulate matter (PM2.5) on genotoxic and global DNA methylation and hydroxymethylation changes, as well as the activities of antioxidant enzymes, in tissues of AJ mice exposed whole body to ambient air enriched in PM2.5, which was concentrated in a chamber near an avenue of intense traffic in São Paulo City, Brazil. RESULTS Mice exposed to concentrated ambient PM2.5 (1 h daily, 3 months) were compared to in situ ambient air exposed mice as the study control. The concentrated PM2.5 exposed group presented increased levels of the oxidized nucleoside 8-oxo-7,8-dihydro-2'-deoxyguanosine in lung and kidney DNA and increased levels of the etheno adducts 1,N6-etheno-2'-deoxyadenosine and 1,N2-etheno-2'-deoxyguanosine in kidney and liver DNA, respectively. Apart from the genotoxic effects, the exposure to PM2.5 led to decreased levels of the epigenetic mark 5-hydroxymethylcytosine (5-hmC) in lung and liver DNA. Changes in lung, liver, and erythrocyte antioxidant enzyme activities were also observed. Decreased glutathione reductase and increased superoxide dismutase (SOD) activities were observed in the lungs, while the liver presented increased glutathione S-transferase and decreased SOD activities. An increase in SOD activity was also observed in erythrocytes. These changes are consistent with the induction of local and systemic oxidative stress. CONCLUSIONS Mice exposed daily to PM2.5 at a concentration that mimics 24-h exposure to the mean concentration found in ambient air presented, after 3 months, increased levels of DNA lesions related to the occurrence of oxidative stress in the lungs, liver, and kidney, in parallel to decreased global levels of 5-hmC in lung and liver DNA. Genetic and epigenetic alterations induced by pollutants may affect the genes committed to cell cycle control, apoptosis, and cell differentiation, increasing the chance of cancer development, which merits further investigation.
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Affiliation(s)
- Antonio Anax Falcão de Oliveira
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Av. Prof. Lineu Prestes 580, Bloco 13 B, São Paulo, CEP 05508-000 Brazil
| | - Tiago Franco de Oliveira
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Av. Prof. Lineu Prestes 580, Bloco 13 B, São Paulo, CEP 05508-000 Brazil
- Present address: Departamento de Farmacociências, Universidade Federal de Ciências da Saúde de Porto Alegre, Rua Sarmento Leite 245, Porto Alegre, Rio Grande do Sul CEP 90050-170 Brazil
| | - Michelle Francini Dias
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Av. Prof. Lineu Prestes 580, Bloco 13 B, São Paulo, CEP 05508-000 Brazil
| | - Marisa Helena Gennari Medeiros
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, CEP 05508-000 Brazil
| | - Paolo Di Mascio
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, CEP 05508-000 Brazil
| | - Mariana Veras
- Laboratório de Poluição Atmosférica Experimental – LIM05, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, Av. Dr. Arnaldo 455, São Paulo, CEP 01246903 Brazil
| | - Miriam Lemos
- Laboratório de Poluição Atmosférica Experimental – LIM05, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, Av. Dr. Arnaldo 455, São Paulo, CEP 01246903 Brazil
| | - Tania Marcourakis
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Av. Prof. Lineu Prestes 580, Bloco 13 B, São Paulo, CEP 05508-000 Brazil
| | - Paulo Hilário Nascimento Saldiva
- Laboratório de Poluição Atmosférica Experimental – LIM05, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, Av. Dr. Arnaldo 455, São Paulo, CEP 01246903 Brazil
- Instituto de Estudos Avançados, Universidade de São Paulo, R. do Anfiteatro, 513, São Paulo, CEP 05508060 Brazil
| | - Ana Paula Melo Loureiro
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Av. Prof. Lineu Prestes 580, Bloco 13 B, São Paulo, CEP 05508-000 Brazil
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Senapati VA, Kansara K, Shanker R, Dhawan A, Kumar A. Monitoring characteristics and genotoxic effects of engineered nanoparticle-protein corona. Mutagenesis 2018; 32:479-490. [PMID: 29048576 DOI: 10.1093/mutage/gex028] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Engineered nanoparticles (ENPs) possess different physical and chemical properties compared to their bulk counterparts. These unique properties have found application in various products in the area of therapeutics, consumer goods, environmental remediation, optical and electronic fields. This has also increased the likelihood of their release into the environment thereby affecting human health and ecosystem. ENPs, when in contact with the biological system have various physical and chemical interactions with cellular macromolecules including proteins. These interactions lead to the formation of protein corona around the ENPs. Consequently, living systems interact with the protein-coated ENP rather than with a bare ENP. This ENP-protein interaction influences uptake, accumulation, distribution and clearance and thereby affecting the cytotoxic and genotoxic responses. Although there are few studies which discussed the fate of ENPs, there is a need for extensive research in the field of ENPs, to understand the interaction of ENPs with biological systems for their safe and productive application.
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Affiliation(s)
- Violet Aileen Senapati
- Division of Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, University Road, Ahmedabad 380009, Gujarat, India
| | - Krupa Kansara
- Division of Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, University Road, Ahmedabad 380009, Gujarat, India
| | - Rishi Shanker
- CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, PO Box 80, Lucknow 226001, Uttar Pradesh, India
| | - Alok Dhawan
- CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, PO Box 80, Lucknow 226001, Uttar Pradesh, India
| | - Ashutosh Kumar
- Division of Biological and Life Sciences, School of Arts and Sciences, Ahmedabad University, University Road, Ahmedabad 380009, Gujarat, India
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Besis A, Tsolakidou A, Balla D, Samara C, Voutsa D, Pantazaki A, Choli-Papadopoulou T, Lialiaris TS. Toxic organic substances and marker compounds in size-segregated urban particulate matter - Implications for involvement in the in vitro bioactivity of the extractable organic matter. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 230:758-774. [PMID: 28732338 DOI: 10.1016/j.envpol.2017.06.096] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 05/28/2017] [Accepted: 06/28/2017] [Indexed: 06/07/2023]
Abstract
Toxic organic substances and polar organic marker compounds, i.e. polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), polybrominated diphenyl ethers (PBDEs), polycyclic aromatic hydrocarbons (PAHs) and their nitro-derivatives (N-PAHs), as well as dicarboxylic acids (DCAs) and sugars/sugar anhydrites (S/SAs) were analyzed in size-segregated PM samples (<0.49, 0.49-0.97, 0.97-3 and >3 μm) collected at two urban sites (urban traffic and urban background) during the cold and the warm season. The potential associations between the organic PM determinants and the adverse cellular effects (i.e. cytotoxicity, genotoxicity, DNA damage, oxidative DNA adduct formation, and inflammatory response) induced by the extractable organic matter (EOM) of PM, previously measured in Velali et al. (2016b), were investigated by bivariate correlations and Principal Component Analysis (PCA). Partial Least Square regression analysis (PLS) was also employed in order to identify the chemical classes mainly involved in the EOM-induced toxicological endpoints in the various particle size fractions. Results indicated that particle size range <0.49 μm was the major carrier of PM mass and organic compounds at both sites. All toxic organic compounds exhibited higher concentrations at the urban traffic site, except PCBs and OCPs that did not exhibit intra-urban variations. Conversely, wintertime levels of levoglucosan were significantly higher at the urban background site as a result of residential biomass burning. The PLS regression analysis allowed quite good prediction of the EOM-induced cytotoxicity and genotoxicity based on the determined organic chemical classes, particularly for the finest size fraction of PM. Nevertheless, it is expected that other chemical constituents, not determined here, also contribute to the measured toxicological responses.
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Affiliation(s)
- Athanasios Besis
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Alexandra Tsolakidou
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Dimitra Balla
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Constantini Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece.
| | - Dimitra Voutsa
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece.
| | - Anastasia Pantazaki
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Theodora Choli-Papadopoulou
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Theodore S Lialiaris
- Demokrition University of Thrace, Faculty of Medicine, Department of Genetics, Alexandroupolis 68100, Greece
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10
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Jia YY, Wang Q, Liu T. Toxicity Research of PM 2.5 Compositions In Vitro. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14030232. [PMID: 28245639 PMCID: PMC5369068 DOI: 10.3390/ijerph14030232] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 02/10/2017] [Accepted: 02/23/2017] [Indexed: 12/25/2022]
Abstract
According to the published literature, we surmise that particulate matter (PM) concentration, individually, may be less important than components in explaining health effects. PM2.5 (aerodynamic diameter < 2.5 μm) had similar cytotoxicity (e.g., cell viability reduction, oxidative damage, inflammatory effects and genetic toxicity) on different types of cells. The studies of cells are readily available for detailed mechanistic investigations, which is more appropriate for learning and comparing the mechanism caused by single or mixed ingredients coating a carbon core. No review exists that holistically examines the evidence from all components-based in vitro studies. We reviewed published studies that focus on the cytotoxicity of normal PM2.5. Those studies suggested that the toxicity of mixed compositions differs greatly from the single ingredients in mixed components and the target cells. The cytotoxic responses caused by PM2.5 components have not shown a consistent association with clear, specific health effects. The results may be beneficial for providing new targets for drugs for the treatment of PM2.5-related diseases.
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Affiliation(s)
- Yi-Yang Jia
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Qi Wang
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, China.
| | - Te Liu
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun 130033, China.
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11
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Velali E, Papachristou E, Pantazaki A, Choli-Papadopoulou T, Argyrou N, Tsourouktsoglou T, Lialiaris S, Constantinidis A, Lykidis D, Lialiaris TS, Besis A, Voutsa D, Samara C. Cytotoxicity and genotoxicity induced in vitro by solvent-extractable organic matter of size-segregated urban particulate matter. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 218:1350-1362. [PMID: 27613321 DOI: 10.1016/j.envpol.2016.09.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2016] [Revised: 08/21/2016] [Accepted: 09/02/2016] [Indexed: 05/10/2023]
Abstract
Three organic fractions of different polarity, including a non polar organic fraction (NPOF), a moderately polar organic fraction (MPOF), and a polar organic fraction (POF) were obtained from size-segregated (<0.49, 0.49-0.97, 0.97-3 and >3 μm) urban particulate matter (PM) samples, and tested for cytotoxicity and genotoxicity using a battery of in vitro assays. The cytotoxicity induced by the organic PM fractions was measured by the mitochondrial dehydrogenase (MTT) cell viability assay applied on MRC-5 human lung epithelial cells. DNA damages were evaluated through the comet assay, determination of the poly(ADP-Ribose) polymerase (PARP) activity, and the oxidative DNA adduct 8-hydroxy-deoxyguanosine (8-OHdG) formation, while pro-inflammatory effects were assessed by determination of the tumor necrosis factor-alpha (TNF-α) mediator release. In addition, the Sister Chromatid Exchange (SCE) inducibility of the solvent-extractable organic matter was measured on human peripheral lymphocyte. Variations of responses were assessed in relation to the polarity (hence the expected composition) of the organic PM fractions, particle size, locality, and season. Organic PM fractions were found to induce rather comparable Cytotoxicity and genotoxicity of PM appeared to be rather independent from the polarity of the extractable organic PM matter (EOM) with POF often being relatively more toxic than NPOF or MPOF. All assays indicated stronger mass-normalized bioactivity for fine than coarse particles peaking in the 0.97-3 and/or the 0.49-0.97 μm size ranges. Nevertheless, the air volume-normalized bioactivity in all assays was highest for the <0.49 μm size range highlighting the important human health risk posed by the inhalation of these quasi-ultrafine particles.
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Affiliation(s)
- Ekaterini Velali
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Eleni Papachristou
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Anastasia Pantazaki
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece.
| | - Theodora Choli-Papadopoulou
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Nikoleta Argyrou
- Demokrition University of Thrace, Faculty of Medicine, Department of Genetics, Alexandroupolis 68100, Greece
| | - Theodora Tsourouktsoglou
- Demokrition University of Thrace, Faculty of Medicine, Department of Genetics, Alexandroupolis 68100, Greece
| | - Stergios Lialiaris
- Demokrition University of Thrace, Faculty of Medicine, Department of Genetics, Alexandroupolis 68100, Greece
| | - Alexandros Constantinidis
- Demokrition University of Thrace, Faculty of Medicine, Department of Genetics, Alexandroupolis 68100, Greece
| | - Dimitrios Lykidis
- Demokrition University of Thrace, Faculty of Medicine, Department of Genetics, Alexandroupolis 68100, Greece
| | - Thedore S Lialiaris
- Demokrition University of Thrace, Faculty of Medicine, Department of Genetics, Alexandroupolis 68100, Greece
| | - Athanasios Besis
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Dimitra Voutsa
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Constantini Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece.
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12
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Ferraro D, Anselmi-Tamburini U, Tredici IG, Ricci V, Sommi P. Overestimation of nanoparticles-induced DNA damage determined by the comet assay. Nanotoxicology 2016; 10:861-70. [DOI: 10.3109/17435390.2015.1130274] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Daniela Ferraro
- Department of Molecular Medicine, Human Physiology Unit, University of Pavia, Pavia, Italy and
| | | | | | - Vittorio Ricci
- Department of Molecular Medicine, Human Physiology Unit, University of Pavia, Pavia, Italy and
| | - Patrizia Sommi
- Department of Molecular Medicine, Human Physiology Unit, University of Pavia, Pavia, Italy and
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13
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Møller P, Hemmingsen JG, Jensen DM, Danielsen PH, Karottki DG, Jantzen K, Roursgaard M, Cao Y, Kermanizadeh A, Klingberg H, Christophersen DV, Hersoug LG, Loft S. Applications of the comet assay in particle toxicology: air pollution and engineered nanomaterials exposure. Mutagenesis 2015; 30:67-83. [PMID: 25527730 DOI: 10.1093/mutage/geu035] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Exposure to ambient air particles is associated with elevated levels of DNA strand breaks (SBs) and endonuclease III, formamidopyrimidine DNA glycosylase (FPG) and oxoguanine DNA glycosylase-sensitive sites in cell cultures, animals and humans. In both animals and cell cultures, increases in SB and in oxidatively damaged DNA are seen after exposure to a range of engineered nanomaterials (ENMs), including carbon black, carbon nanotubes, fullerene C60, ZnO, silver and gold. Exposure to TiO2 has generated mixed data with regard to SB and oxidatively damaged DNA in cell cultures. Nanosilica does not seem to be associated with generation of FPG-sensitive sites in cell cultures, while large differences in SB generation between studies have been noted. Single-dose airway exposure to nanosized carbon black and multi-walled carbon nanotubes in animal models seems to be associated with elevated DNA damage levels in lung tissue in comparison to similar exposure to TiO2 and fullerene C60. Oral exposure has been associated with augmented DNA damage levels in cells of internal organs, although the doses have been typically very high. Intraveneous and intraperitoneal injection of ENMs have shown contradictory results dependent on the type of ENM and dose in each set of experiments. In conclusion, the exposure to both combustion-derived particles and ENMs is associated with increased levels of DNA damage in the comet assay. Particle size, composition and crystal structure of ENM are considered important determinants of toxicity, whereas their combined contributions to genotoxicity in the comet assay are yet to be thoroughly investigated.
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Affiliation(s)
- Peter Møller
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Jette Gjerke Hemmingsen
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Ditte Marie Jensen
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Pernille Høgh Danielsen
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Dorina Gabriela Karottki
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Kim Jantzen
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Martin Roursgaard
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Yi Cao
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Ali Kermanizadeh
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Henrik Klingberg
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Daniel Vest Christophersen
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Lars-Georg Hersoug
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Steffen Loft
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
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14
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Salcido-Neyoy ME, Sánchez-Pérez Y, Osornio-Vargas AR, Gonsebatt ME, Meléndez-Zajgla J, Morales-Bárcenas R, Petrosyan P, Molina-Servin ED, Vega E, Manzano-León N, García-Cuellar CM. Induction of c-Jun by air particulate matter (PM₁₀) of Mexico city: Participation of polycyclic aromatic hydrocarbons. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2015; 203:175-182. [PMID: 25909326 DOI: 10.1016/j.envpol.2015.03.051] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 03/29/2015] [Accepted: 03/30/2015] [Indexed: 06/04/2023]
Abstract
The carcinogenic potential of urban particulate matter (PM) has been partly attributed to polycyclic aromatic hydrocarbons (PAHs) content, which activates the aryl hydrocarbon receptor (AhR). Here we report the effect of PM with an aerodynamic size of 10 μm (PM10) on the induction of AhR pathway in A549 cells, evaluating its downstream targets CYP1B1, IL-6, IL-8 and c-Jun. Significant increases in CYP1B1 protein and enzyme activity; IL-6 and IL-8 secretion and c-Jun protein were found in response to PM10. The formation of PAH-DNA adducts was also detected. The involvement of AhR pathway was confirmed with Resveratrol as AhR antagonist, which reversed CYP1B1 and c-Jun induction. Nevertheless, in IL-6 and IL-8 secretion, the Resveratrol was ineffective, suggesting an effect independent of this pathway. Considering the role of c-Jun in oncogenesis, its induction by PM may be contributing to its carcinogenic potential through induction of AhR pathway by PAHs present in PM10.
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Affiliation(s)
- Martha Estela Salcido-Neyoy
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Av. San Fernando No. 22, Col Sección XVI. C.P. 14080. Delegación Tlalpan, México, D.F., Mexico
| | - Yesennia Sánchez-Pérez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Av. San Fernando No. 22, Col Sección XVI. C.P. 14080. Delegación Tlalpan, México, D.F., Mexico
| | | | - María Eugenia Gonsebatt
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, A.P. 70228. Ciudad Universitaria. 04510, México, D.F., Mexico
| | - Jorge Meléndez-Zajgla
- Laboratorio de Genómica Funcional del Cáncer, Instituto Nacional de Medicina Genómica, Periférico Sur, No.4809. Col. Arenal Tepepan, C.P. 14610. Delegación Tlalpan, México, D.F., Mexico
| | - Rocío Morales-Bárcenas
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Av. San Fernando No. 22, Col Sección XVI. C.P. 14080. Delegación Tlalpan, México, D.F., Mexico
| | - Pavel Petrosyan
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, A.P. 70228. Ciudad Universitaria. 04510, México, D.F., Mexico
| | - Edith Danny Molina-Servin
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, A.P. 70228. Ciudad Universitaria. 04510, México, D.F., Mexico
| | - Elizabeth Vega
- Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152. San Bartolo Atepehuacan, C.P. 07730, México, D.F., Mexico
| | - Natalia Manzano-León
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Av. San Fernando No. 22, Col Sección XVI. C.P. 14080. Delegación Tlalpan, México, D.F., Mexico
| | - Claudia M García-Cuellar
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Av. San Fernando No. 22, Col Sección XVI. C.P. 14080. Delegación Tlalpan, México, D.F., Mexico.
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15
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Møller P, Jensen DM, Christophersen DV, Kermanizadeh A, Jacobsen NR, Hemmingsen JG, Danielsen PH, Karottki DG, Roursgaard M, Cao Y, Jantzen K, Klingberg H, Hersoug LG, Loft S. Measurement of oxidative damage to DNA in nanomaterial exposed cells and animals. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2015; 56:97-110. [PMID: 25196723 DOI: 10.1002/em.21899] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Revised: 08/20/2014] [Accepted: 08/21/2014] [Indexed: 06/03/2023]
Abstract
Increased levels of oxidatively damaged DNA have been documented in studies of metal, metal oxide, carbon-based and ceramic engineered nanomaterials (ENMs). In particular, 8-oxo-7,8-dihydroguanine-2'-deoxyguanosine (8-oxodG) is widely assessed as a DNA nucleobase oxidation product, measured by chromatographic assays, antibody-based methods or the comet assay with DNA repair enzymes. However, spurious oxidation of DNA has been a problem in certain studies applying chromatographic assays, yielding high baseline levels of 8-oxodG. Antibody-based assays detect high 8-oxodG baseline levels, related to cross-reactivity with other molecules in cells. This review provides an overview of efforts to reliably detect oxidatively damaged DNA and a critical assessment of the published studies on DNA damage levels. Animal studies with high baseline levels of oxidatively damaged DNA are more likely to show positive associations between exposure to ENMs and oxidized DNA in tissue than studies showing acceptable baseline levels (odds ratio = 12.1, 95% confidence interval: 1.2-124). Nevertheless, reliable studies indicate that intratracheal instillation of nanosized carbon black is associated with increased levels of oxidatively damaged DNA in lung tissue. Oral exposure to nanosized carbon black, TiO2 , carbon nanotubes and ZnO is associated with elevated levels of oxidatively damaged DNA in tissues. These observations are supported by cell culture studies showing concentration-dependent associations between ENM exposure and oxidatively damaged DNA measured by the comet assay. Cell culture studies show relatively high variation in the ability of ENMs to oxidatively damage DNA; hence, it is currently impossible to group ENMs according to their DNA damaging potential.
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Affiliation(s)
- Peter Møller
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Copenhagen K, Denmark
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16
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Møller P, Danielsen PH, Karottki DG, Jantzen K, Roursgaard M, Klingberg H, Jensen DM, Christophersen DV, Hemmingsen JG, Cao Y, Loft S. Oxidative stress and inflammation generated DNA damage by exposure to air pollution particles. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2014; 762:133-66. [DOI: 10.1016/j.mrrev.2014.09.001] [Citation(s) in RCA: 181] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 09/04/2014] [Accepted: 09/04/2014] [Indexed: 01/09/2023]
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17
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Mutagenicity and clastogenicity of native airborne particulate matter samples collected under industrial, urban or rural influence. Toxicol In Vitro 2014; 28:866-74. [DOI: 10.1016/j.tiv.2014.03.011] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Revised: 12/12/2013] [Accepted: 03/19/2014] [Indexed: 01/18/2023]
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18
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Bourgeois B, Owens JW. The influence of Hurricanes Katrina and Rita on the inflammatory cytokine response and protein expression in A549 cells exposed to PM2.5 collected in the Baton Rouge-Port Allen industrial corridor of Southeastern Louisiana in 2005. Toxicol Mech Methods 2014; 24:220-42. [PMID: 24401135 DOI: 10.3109/15376516.2014.881945] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Hurricanes Katrina and Rita hit the coast of Louisiana in 2005 and killed more than 2000 people. The two storms resulted in a significant spike in particulate matter (PM2.5) levels across the state of Louisiana. This report focuses on PM2.5 samples collected in 2005 from two monitoring sites in the neighboring cities of Baton Rouge and Port Allen, Louisiana. Inductively coupled plasma (ICP) revealed the presence of PM2.5-adsorbed representative and Fenton-active transition metals. Gas chromatography/mass spectrometry (GC-MS) analyses revealed the presence of 23 PAH compounds. Endotoxins were also detected. Metals and endotoxins were extracted with water. PAH were extracted with dichloromethane. In order to assess cytotoxicity, aqueous PM2.5 extracts were introduced to A549 Human Epithelial Lung Carcinoma Cells. Results indicated decreased cell viability in a dose-dependent manner, with an LC50 of 235 µg/ml and 250 µg/ml, respectively, for the two sites featured here. Endotoxins alone were not cytotoxic. The concentration of reactive oxygen species (ROS) and released LDH activity increased following exposure of A549 cells to aqueous PM2.5 extracts. Fluorescence microscopy revealed apoptotic and necrotic cell death mechanisms. ELISA revealed increased secretion of primary pro-inflammatory cytokines, IL-6, IL-8, and TNF-α. Global PCR gene expression revealed up-regulation of proteins associated with the cytokine storm; e.g. interleukins, chemokines, and TNF-α. Global antibody microarray was consistent with an inflammatory response, with up-regulation of cytokines involved in the down-field activation of the caspase cascade and kinase pathways. The up-regulation of metal-redox sensitive transcription factors, NF-κβ and AP-1, is consistent with a cell death mechanism initiated by Fenton-active transition metal redox catalysis.
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Affiliation(s)
- Brian Bourgeois
- Department of Environmental Toxicology, Southern University & A&M College , Baton Rouge, LA , USA
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19
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Kumar A, Dhawan A. Genotoxic and carcinogenic potential of engineered nanoparticles: an update. Arch Toxicol 2013; 87:1883-1900. [DOI: 10.1007/s00204-013-1128-z] [Citation(s) in RCA: 108] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Accepted: 09/09/2013] [Indexed: 12/22/2022]
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20
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Vesterdal LK, Jantzen K, Sheykhzade M, Roursgaard M, Folkmann JK, Loft S, Møller P. Pulmonary exposure to particles from diesel exhaust, urban dust or single-walled carbon nanotubes and oxidatively damaged DNA and vascular function in apoE(-/-) mice. Nanotoxicology 2012; 8:61-71. [PMID: 23148895 DOI: 10.3109/17435390.2012.750385] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
This study compared the oxidative stress level and vasomotor dysfunction after exposure to urban dust, diesel exhaust particles (DEP) or single-walled carbon nanotubes (SWCNT). DEP and SWCNT increased the production of reactive oxygen species (ROS) in cultured endothelial cells and acellullarly, whereas the exposure to urban dust did not generate ROS. The apoE(-/-) mice, which were exposed twice to 0.5 mg/kg of the particles by intratracheal (i.t.) instillation, had unaltered acetylcholine-elicited vasorelaxation in aorta segments. There was unaltered pulmonary expression level of Vcam-1, Icam-1, Hmox-1 and Ogg1. The levels of oxidatively damaged DNA were unchanged in lung tissue. The exposure to SWCNT significantly increased the expression of Ccl-2 in the lung tissue of the mice. The exposure to DEP and SWCNT was associated with elevated ROS production in cultured cells, whereas i.t. instillation of the same particles had no effect on biomarkers of pulmonary oxidative stress and dilatory dysfunction in the aorta.
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Affiliation(s)
- Lise K Vesterdal
- Department of Public Health, Section of Environmental Health, University of Copenhagen , Copenhagen , Denmark
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21
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Kain J, Karlsson HL, Moller L. DNA damage induced by micro- and nanoparticles--interaction with FPG influences the detection of DNA oxidation in the comet assay. Mutagenesis 2012; 27:491-500. [DOI: 10.1093/mutage/ges010] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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22
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Global gene expression changes in human embryonic lung fibroblasts induced by organic extracts from respirable air particles. Part Fibre Toxicol 2012; 9:1. [PMID: 22239852 PMCID: PMC3275518 DOI: 10.1186/1743-8977-9-1] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2011] [Accepted: 01/12/2012] [Indexed: 12/19/2022] Open
Abstract
Background Recently, we used cell-free assays to demonstrate the toxic effects of complex mixtures of organic extracts from urban air particles (PM2.5) collected in four localities of the Czech Republic (Ostrava-Bartovice, Ostrava-Poruba, Karvina and Trebon) which differed in the extent and sources of air pollution. To obtain further insight into the biological mechanisms of action of the extractable organic matter (EOM) from ambient air particles, human embryonic lung fibroblasts (HEL12469) were treated with the same four EOMs to assess changes in the genome-wide expression profiles compared to DMSO treated controls. Method For this purpose, HEL cells were incubated with subtoxic EOM concentrations of 10, 30, and 60 μg EOM/ml for 24 hours and global gene expression changes were analyzed using human whole genome microarrays (Illumina). The expression of selected genes was verified by quantitative real-time PCR. Results Dose-dependent increases in the number of significantly deregulated transcripts as well as dose-response relationships in the levels of individual transcripts were observed. The transcriptomic data did not differ substantially between the localities, suggesting that the air pollution originating mainly from various sources may have similar biological effects. This was further confirmed by the analysis of deregulated pathways and by identification of the most contributing gene modulations. The number of significantly deregulated KEGG pathways, as identified by Goeman's global test, varied, depending on the locality, between 12 to 29. The Metabolism of xenobiotics by cytochrome P450 exhibited the strongest upregulation in all 4 localities and CYP1B1 had a major contribution to the upregulation of this pathway. Other important deregulated pathways in all 4 localities were ABC transporters (involved in the translocation of exogenous and endogenous metabolites across membranes and DNA repair), the Wnt and TGF-β signaling pathways (associated particularly with tumor promotion and progression), Steroid hormone biosynthesis (involved in the endocrine-disrupting activity of chemicals), and Glycerolipid metabolism (pathways involving the lipids with a glycerol backbone including lipid signaling molecules). Conclusion The microarray data suggested a prominent role of activation of aryl hydrocarbon receptor-dependent gene expression.
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Wagner W, Sachrajda I, Pułaski Ł, Hałatek T, Dastych J. Application of cellular biosensors for analysis of bioactivity associated with airborne particulate matter. Toxicol In Vitro 2011; 25:1132-42. [DOI: 10.1016/j.tiv.2011.03.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2010] [Revised: 02/28/2011] [Accepted: 03/25/2011] [Indexed: 10/18/2022]
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Gualtieri M, Ovrevik J, Mollerup S, Asare N, Longhin E, Dahlman HJ, Camatini M, Holme JA. Airborne urban particles (Milan winter-PM2.5) cause mitotic arrest and cell death: Effects on DNA, mitochondria, AhR binding and spindle organization. Mutat Res 2011; 713:18-31. [PMID: 21645525 DOI: 10.1016/j.mrfmmm.2011.05.011] [Citation(s) in RCA: 124] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2010] [Revised: 05/13/2011] [Accepted: 05/20/2011] [Indexed: 05/22/2023]
Abstract
Airborne particulate matter (PM) is considered to be an important contributor to lung diseases. In the present study we report that Milan winter-PM2.5 inhibited proliferation in human bronchial epithelial cells (BEAS-2B) by inducing mitotic arrest. The cell cycle arrest was followed by an increase in mitotic-apoptotic cells, mitotic slippage and finally an increase in "classical" apoptotic cells. Exposure to winter-PM10 induced only a slight effect which may be due to the presence of PM2.5 in this fraction while pure combustion particles failed to disturb mitosis. Fewer cells expressing the mitosis marker phospho-histone H3 compared to cells with condensed chromosomes, suggest that PM2.5 induced premature mitosis. PM2.5 was internalized into the cells and often localized in laminar organelles, although particles without apparent plasma membrane covering were also seen. In PM-containing cells mitochondria and lysosomes were often damaged, and in mitotic cells fragmented chromosomes often appeared. PM2.5 induced DNA strands breaks and triggered a DNA-damage response characterized by increased phosphorylation of ATM, Chk2 and H2AX; as well as induced a marked increase in expression of the aryl hydrocarbon receptor (AhR)-regulated genes, CYP1A1, CYP1B1 and AhRR. Furthermore, some disturbance of the organization of microtubules was indicated. It is hypothesized that the induced mitotic arrest and following cell death was due to a premature chromosome condensation caused by a combination of DNA, mitochondrial and spindle damage.
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Affiliation(s)
- Maurizio Gualtieri
- Applied Cell Biology and Particles Effects, Department of Environmental Science, University Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy
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Oh SM, Kim HR, Park YJ, Lee SY, Chung KH. Organic extracts of urban air pollution particulate matter (PM2.5)-induced genotoxicity and oxidative stress in human lung bronchial epithelial cells (BEAS-2B cells). Mutat Res 2011; 723:142-51. [PMID: 21524716 DOI: 10.1016/j.mrgentox.2011.04.003] [Citation(s) in RCA: 125] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2010] [Revised: 02/28/2011] [Accepted: 04/10/2011] [Indexed: 10/18/2022]
Abstract
Traffic is a major source of particulate matter (PM), and ultrafine particulates and traffic intensity probably contribute significantly to PM-related health effects. As a strong relationship between air pollution and motor vehicle-originated pollutants has been shown to exist, air pollution genotoxicity studies of urban cities are steadily increasing. In Korea, the death rate caused by lung cancer is the most rapidly increased cancer death rate in the past 10 years. In this study, genotoxicity of PM2.5 (<2.5μm in aerodynamic diameter particles) collected from the traffic area in Suwon City, Korea, was studied using cultured human lung bronchial epithelial cells (BEAS-2B) as a model system for the potential inhalation health effects. Organic extract of PM2.5 (CE) generated significant DNA breakage and micronucleus formation in a dose-dependent manner (1μg/cm(3)-50μg/cm(3)). In the acid-base-neutral fractionation of PM2.5, neutral samples including the aliphatic (F3), aromatic (F4) and slightly polar (F5) fractions generated significant DNA breakage and micronucleus formation. These genotoxic effects were significantly blocked by scavenging agents [superoxide dismutase (SOD), sodium selenite (SS), mannitol (M), catalase (CAT)]. In addition, in the modified Comet assay using endonucleases (FPG and ENDOIII), CE and its fractions (F3, F4, and F5) increased DNA breakage compared with control groups, indicating that CE and fractions of PM2.5 induced oxidative DNA damage. These results clearly suggest that PM2.5 collected in the Suwon traffic area has genotoxic effects and that reactive oxygen species may play a distinct role in these effects. In addition, aliphatic/chlorinated hydrocarbons, PAH/alkylderivatives, and nitro-PAH/ketones/quinones may be important causative agents of the genotoxic effects.
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Affiliation(s)
- Seung Min Oh
- Hoseo Toxicological Research Center, Hoseo University, 165, Sechul-ri, Baebang-myun, Asan, Chungnam, 336-795, Republic of Korea
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Yacobi NR, Fazllolahi F, Kim YH, Sipos A, Borok Z, Kim KJ, Crandall ED. Nanomaterial interactions with and trafficking across the lung alveolar epithelial barrier: implications for health effects of air-pollution particles. AIR QUALITY, ATMOSPHERE, & HEALTH 2011; 4:65-78. [PMID: 25568662 PMCID: PMC4283834 DOI: 10.1007/s11869-010-0098-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Studies on the health effects of air-pollution particles suggest that injury may result from inhalation of airborne ultrafine particles (<100 nm in diameter). Engineered nanomaterials (<100 nm in at least one dimension) may also be harmful if inhaled. Nanomaterials deposited on the respiratory epithelial tract are thought to cross the air-blood barrier, especially via the expansive alveolar region, into the systemic circulation to reach end organs (e.g., myocardium, liver, pancreas, kidney, and spleen). Since ambient ultrafine particles are difficult to track, studies of defined engineered nanomaterials have been used to obtain valuable information on how nanomaterials interact with and traffic across the air-blood barrier of mammalian lungs. Since specific mechanistic information on how nanomaterials interact with the lung is difficult to obtain using in vivo or ex vivo lungs due to their complex anatomy, in vitro alveolar epithelial models have been of considerable value in determining nanomaterial-lung interactions. In this review, we provide information on mechanisms underlying lung alveolar epithelial injury caused by various nanomaterials and on nanomaterial trafficking across alveolar epithelium that may lead to end-organ injury.
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Affiliation(s)
- Nazanin R. Yacobi
- Will Rogers Institute Pulmonary Research Center, University of Southern California, Los Angeles, CA 90033, USA. Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA 90033, USA
| | - Farnoosh Fazllolahi
- Will Rogers Institute Pulmonary Research Center, University of Southern California, Los Angeles, CA 90033, USA. Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA 90033, USA
| | - Yong Ho Kim
- Will Rogers Institute Pulmonary Research Center, University of Southern California, Los Angeles, CA 90033, USA. Department of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Arnold Sipos
- Will Rogers Institute Pulmonary Research Center, University of Southern California, Los Angeles, CA 90033, USA. Department of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Zea Borok
- Will Rogers Institute Pulmonary Research Center, University of Southern California, Los Angeles, CA 90033, USA. Department of Medicine, University of Southern California, Los Angeles, CA 90033, USA. Department of Biochemistry and Molecular Biology, University of Southern California, Los Angeles, CA 90033, USA
| | - Kwang-Jin Kim
- Will Rogers Institute Pulmonary Research Center, University of Southern California, Los Angeles, CA 90033, USA. Department of Medicine, University of Southern California, Los Angeles, CA 90033, USA. Department of Physiology and Biophysics, University of Southern California, Los Angeles, CA 90033, USA. Department of Pharmacology and Pharmaceutical Sciences, University of Southern California, Los Angeles, CA 90033, USA. Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90033, USA
| | - Edward D. Crandall
- Will Rogers Institute Pulmonary Research Center, University of Southern California, Los Angeles, CA 90033, USA. Department of Medicine, University of Southern California, Los Angeles, CA 90033, USA. Department of Medicine, University of Southern California, IRD 620, 2020 Zonal Avenue, Los Angeles, CA 90033, USA. Department of Pathology, University of Southern California, Los Angeles, CA 90033, USA. Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA 90033, USA
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Cronholm P, Midander K, Karlsson HL, Elihn K, Wallinder IO, Möller L. Effect of sonication and serum proteins on copper release from copper nanoparticles and the toxicity towards lung epithelial cells. Nanotoxicology 2010; 5:269-81. [PMID: 21117831 DOI: 10.3109/17435390.2010.536268] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract Different methodological settings can influence particle characteristics and toxicity in nanotoxicology. The aim of this study was to investigate how serum proteins and sonication of Cu nanoparticle suspensions influence the properties of the nanoparticles and toxicological responses on human lung epithelial cells. This was investigated by using methods for particle characterization (photon correlation spectroscopy and TEM) and Cu release (atomic absorption spectroscopy) in combination with assays for analyzing cell toxicity (MTT-, trypan blue- and Comet assay). The results showed that sonication of Cu nanoparticles caused decreased cell viability and increased Cu release compared to non-sonicated particles. Furthermore, serum in the cell medium resulted in less particle agglomeration and increased Cu release compared with medium without serum, but no clear difference in toxicity was detected. Few cells showed intracellular Cu nanoparticles due to fast release/dissolution processes of Cu. In conclusion; sonication can affect the toxicity of nanoparticles.
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Affiliation(s)
- Pontus Cronholm
- Unit for Analytical Toxicology, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, Stockholm, Sweden
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28
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An acellular assay to assess the genotoxicity of complex mixtures of organic pollutants bound on size segregated aerosol. Part I: DNA adducts. Toxicol Lett 2010; 198:304-11. [DOI: 10.1016/j.toxlet.2010.06.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2010] [Accepted: 06/22/2010] [Indexed: 11/23/2022]
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Karlsson HL. The comet assay in nanotoxicology research. Anal Bioanal Chem 2010; 398:651-66. [DOI: 10.1007/s00216-010-3977-0] [Citation(s) in RCA: 181] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2010] [Revised: 06/18/2010] [Accepted: 06/28/2010] [Indexed: 01/22/2023]
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Møller P, Jacobsen NR, Folkmann JK, Danielsen PH, Mikkelsen L, Hemmingsen JG, Vesterdal LK, Forchhammer L, Wallin H, Loft S. Role of oxidative damage in toxicity of particulates. Free Radic Res 2010; 44:1-46. [PMID: 19886744 DOI: 10.3109/10715760903300691] [Citation(s) in RCA: 278] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Particulates are small particles of solid or liquid suspended in liquid or air. In vitro studies show that particles generate reactive oxygen species, deplete endogenous antioxidants, alter mitochondrial function and produce oxidative damage to lipids and DNA. Surface area, reactivity and chemical composition play important roles in the oxidative potential of particulates. Studies in animal models indicate that particles from combustion processes (generated by combustion of wood or diesel oil), silicate, titanium dioxide and nanoparticles (C60 fullerenes and carbon nanotubes) produce elevated levels of lipid peroxidation products and oxidatively damaged DNA. Biomonitoring studies in humans have shown associations between exposure to air pollution and wood smoke particulates and oxidative damage to DNA, deoxynucleotides and lipids measured in leukocytes, plasma, urine and/or exhaled breath. The results indicate that oxidative stress and elevated levels of oxidatively altered biomolecules are important intermediate endpoints that may be useful markers in hazard characterization of particulates.
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Affiliation(s)
- Peter Møller
- Department of Public Health, Section of Environment Health, University of Copenhagen, Copenhagen, Denmark.
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Valavanidis A, Fiotakis K, Vlachogianni T. Airborne particulate matter and human health: toxicological assessment and importance of size and composition of particles for oxidative damage and carcinogenic mechanisms. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, ENVIRONMENTAL CARCINOGENESIS & ECOTOXICOLOGY REVIEWS 2008; 26:339-62. [PMID: 19034792 DOI: 10.1080/10590500802494538] [Citation(s) in RCA: 724] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Air pollution has been considered a hazard to human health. In the past decades, many studies highlighted the role of ambient airborne particulate matter (PM) as an important environmental pollutant for many different cardiopulmonary diseases and lung cancer. Numerous epidemiological studies in the past 30 years found a strong exposure-response relationship between PM for short-term effects (premature mortality, hospital admissions) and long-term or cumulative health effects (morbidity, lung cancer, cardiovascular and cardiopulmonary diseases, etc). Current research on airborne particle-induced health effects investigates the critical characteristics of particulate matter that determine their biological effects. Several independent groups of investigators have shown that the size of the airborne particles and their surface area determine the potential to elicit inflammatory injury, oxidative damage, and other biological effects. These effects are stronger for fine and ultrafine particles because they can penetrate deeper into the airways of the respiratory tract and can reach the alveoli in which 50% are retained in the lung parenchyma. Composition of the PM varies greatly and depends on many factors. The major components of PM are transition metals, ions (sulfate, nitrate), organic compound, quinoid stable radicals of carbonaceous material, minerals, reactive gases, and materials of biologic origin. Results from toxicological research have shown that PM have several mechanisms of adverse cellular effects, such as cytotoxicity through oxidative stress mechanisms, oxygen-free radical-generating activity, DNA oxidative damage, mutagenicity, and stimulation of proinflammatory factors. In this review, the results of the most recent epidemiological and toxicological studies are summarized. In general, the evaluation of most of these studies shows that the smaller the size of PM the higher the toxicity through mechanisms of oxidative stress and inflammation. Some studies showed that the extractable organic compounds (a variety of chemicals with mutagenic and cytotoxic properties) contribute to various mechanisms of cytotoxicity; in addition, the water-soluble faction (mainly transition metals with redox potential) play an important role in the initiation of oxidative DNA damage and membrane lipid peroxidation. Associations between chemical compositions and particle toxicity tend to be stronger for the fine and ultrafine PM size fractions. Vehicular exhaust particles are found to be most responsible for small-sized airborne PM air pollution in urban areas. With these aspects in mind, future research should aim at establishing a cleared picture of the cytotoxic and carcinogenic mechanisms of PM in the lungs, as well as mechanisms of formation during internal engine combustion processes and other sources of airborne fine particles of air pollution.
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Affiliation(s)
- Athanasios Valavanidis
- Department of Chemistry, University of Athens, University Campus Zogafou, Athens, Greece.
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Palli D, Saieva C, Munnia A, Peluso M, Grechi D, Zanna I, Caini S, Decarli A, Sera F, Masala G. DNA adducts and PM(10) exposure in traffic-exposed workers and urban residents from the EPIC-Florence City study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2008; 403:105-112. [PMID: 18603281 DOI: 10.1016/j.scitotenv.2008.05.041] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2008] [Revised: 05/15/2008] [Accepted: 05/30/2008] [Indexed: 05/26/2023]
Abstract
Air pollution and particulate matter in urban areas have been associated with increased mortality from cardiovascular and respiratory diseases and increased cancer risk. Carcinogenic effects of particulate matter have been related to the contents of specific compounds, such as polycyclic aromatic hydrocarbons. The latter may form bulky DNA adducts, that may be considered as candidate markers of cancer risk. We have recently shown that traffic-exposed workers and the general population in Florence have divergent levels of DNA adducts, possibly related to different levels of exposure to genotoxic agents from vehicle emissions. In the current study, in a series of 214 Florence City healthy adults enrolled in a prospective study in the period 1993-1998 (152 residents / 62 traffic-exposed workers), we investigated the correlation between individual levels of DNA bulky adducts and PM(10) exposure scores based on daily environmental measures provided by the local Environmental Protection Agency for the whole study period, by two types of urban monitoring stations (high- and low-traffic). We found that PM(10) cumulative scores from high-traffic stations over the last 1-2 weeks prior to blood drawing significantly correlated (r=0.58, p=0.02) with DNA adduct levels among non-smoking traffic-exposed workers (but not among residents with no occupational exposure to vehicle emissions). A multivariate regression analysis adjusted for possible confounders confirmed these findings. PM(10) scores from low-traffic stations did not show any correlation. These results show that DNA adduct levels in non-smoking workers reflect the average levels of exposure to PM(10) in high-traffic urban areas experienced over a time period of 1-2 weeks. Since DNA adduct levels have been found predictive of lung cancer risk, our findings provide clues relevant to the reduction of genotoxic damage and possibly cancer risk among traffic-exposed urban workers.
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Affiliation(s)
- Domenico Palli
- Molecular and Nutritional Epidemiology Unit, CSPO - Scientific Institute of Tuscany, Florence, Italy.
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Pyrgiotakis G, Bhowmick TK, Finton K, Suresh AK, Kane SG, Bellare JR, Moudgil BM. Cell (A549)-particle (Jasada Bhasma) interactions using Raman spectroscopy. Biopolymers 2008; 89:555-64. [PMID: 18253947 DOI: 10.1002/bip.20947] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Current methods for the evaluation of cell interactions with particles are nonspecific, slow, and invasive to the cells. Raman spectroscopy is a noninvasive technique, and is used in the present study to investigate particle-cell interactions. The main focus of the present study is to employ Raman spectroscopy for investigating the interaction of human lung adenocarcinoma cell line (A549) with the particulate system Jasada Bhasma, a traditional Indian medicine. Jasada Bhasma is a unique preparation of zinc and is traditionally used for the treatment of various diseases like diabetes, age-related eye diseases, and as a health promotional tonic. The Raman spectral analysis is executed by identifying the difference in intracellular DNA/RNA, and proteins and lipids concentration between particles--treated and untreated cells. Comparison between Bhasma-treated and -untreated cells indicates that vibrational peaks corresponding to the DNA/RNA molecule show a significant increase in cells treated with the Jasada Bhasma. Apart from the DNA molecule, several other vibrational peaks related to the protein molecules also show a significant increase in A549 cells after treatment with Bhasma. These results indicate that Bhasma treatment of A549 possibly delays DNA degradation and enables retention of higher amount of protein molecules in the cells.
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Affiliation(s)
- G Pyrgiotakis
- Particle Engineering Research Center, University of Florida, Gainesvilla, Florida, USA
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Karlsson HL, Holgersson Å, Möller L. Mechanisms Related to the Genotoxicity of Particles in the Subway and from Other Sources. Chem Res Toxicol 2008; 21:726-31. [DOI: 10.1021/tx7003568] [Citation(s) in RCA: 101] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hanna L. Karlsson
- Unit for Analytical Toxicology, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, SE-141 57 Huddinge, Stockholm, Sweden, and Unit of Medical Radiation Biology, Department of Oncology-Pathology, Cancer Center Karolinska, Karolinska Institutet, SE-171 76 Stockholm, Sweden
| | - Åsa Holgersson
- Unit for Analytical Toxicology, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, SE-141 57 Huddinge, Stockholm, Sweden, and Unit of Medical Radiation Biology, Department of Oncology-Pathology, Cancer Center Karolinska, Karolinska Institutet, SE-171 76 Stockholm, Sweden
| | - Lennart Möller
- Unit for Analytical Toxicology, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, SE-141 57 Huddinge, Stockholm, Sweden, and Unit of Medical Radiation Biology, Department of Oncology-Pathology, Cancer Center Karolinska, Karolinska Institutet, SE-171 76 Stockholm, Sweden
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Roubicek DA, Gutiérrez-Castillo ME, Sordo M, Cebrián-García ME, Ostrosky-Wegman P. Micronuclei induced by airborne particulate matter from Mexico City. Mutat Res 2007; 631:9-15. [PMID: 17500027 DOI: 10.1016/j.mrgentox.2007.04.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2007] [Revised: 03/28/2007] [Accepted: 04/02/2007] [Indexed: 01/16/2023]
Abstract
Particulate air pollution is an important environmental health risk. In the present study, we have investigated the ability of chemically characterized water and organic-soluble extracts of PM(10) from two different regions of Mexico City to induce micronuclei in a human epithelial cell line. We also evaluated the association between the chemical characteristics of the PM and its genotoxicity. The airborne particulate samples were collected from an industrial and a residential region; a Hi-Vol air sampler was used to collect PM(10) on glass fiber filters. PM mass was determined by gravimetric analysis of the filters. One section of each PM(10) filter was agitated either with deionized water to extract water-soluble compounds or with dichloromethane to prepare organic-soluble compounds. The chemical composition of the extracts was determined by ion and gas chromatography and atomic adsorption spectroscopy. A549-human alveolar epithelial cells were exposed to different concentrations of PM(10) extracts and the cytokinesis blocked micronucleus assay was performed to measure DNA damage. Even though the industrial region had a higher PM concentration, higher amounts of metals and PAHs were found in the residential area. Both industrial and residential extracts induced a significant concentration-related increase in the micronuclei frequency. The PM(10) water-soluble industrial extract induced significantly more micronuclei than the one of the residential region; inversely, the organic residential extract induced more micronuclei than the one from the industrial region. The association between the induction of micronuclei and the chemical components obtained by the comparative analysis of standardized regression coefficients showed that cadmium and PAHs were significantly associated with micronuclei induction. Data indicate that water-soluble metals and the organic-soluble fraction of PM(10) are both important in the production of micronuclei. Effects observed, point to the risk of PM exposure and shows the need of integrative studies.
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Affiliation(s)
- Deborah A Roubicek
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, México D.F., Mexico
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Binkova B, Topinka J, Sram RJ, Sevastyanova O, Novakova Z, Schmuczerova J, Kalina I, Popov T, Farmer PB. In vitro genotoxicity of PAH mixtures and organic extract from urban air particles part I: acellular assay. Mutat Res 2007; 620:114-22. [PMID: 17442348 DOI: 10.1016/j.mrfmmm.2007.03.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Acellular assay of calf thymus DNA+/-rat liver microsomal S9 fraction coupled with (32)P-postlabelling was used to study the genotoxic potential of organic compounds bound onto PM10 particles collected in three European cities-Prague (CZ), Kosice (SK) and Sofia (BG) during summer and winter periods. B[a]P alone induced DNA adduct levels ranging from 4.8 to 768 adducts/10(8) nucleotides in the concentration dependent manner. However, a mixture of 8 c-PAHs with equimolar doses of B[a]P induced 3.7-757 adducts/10(8) nucleotides, thus suggesting the inhibition of DNA adduct forming activity by interaction among various PAHs. Comparison of DNA adduct levels induced by various EOMs indicates higher variability among seasons than among localities. DNA adduct levels for Prague collection site varied from 19 to 166 adducts/10(8) nucleotides, for Kosice from 22 to 85 and for Sofia from 6 to 144 adducts/10(8) nucleotides. Bioactivation with S9 microsomal fraction caused 2- to 7-fold increase in DNA adduct levels compared to -S9 samples, suggesting a crucial role of indirectly acting genotoxic EOM components, such as PAHs. We have demonstrated for the first time a significant positive correlation between B[a]P content in EOMs and total DNA adduct levels detected in the EOM treated samples (R=0.83; p=0.04). These results suggest that B[a]P content in EOM is an important factor for the total genotoxic potential of EOM and/or B[a]P is a good indicator of the presence of other genotoxic compounds causing DNA adducts. Even stronger correlation between the content of genotoxic compounds in EOMs and total DNA adduct levels detected (R=0.94; p=0.005) was found when eight c-PAHs were taken into the consideration. Our findings support a hypothesis that a relatively limited number of EOM components is responsible for a major part of its genotoxicity detectable as DNA adducts by (32)P-postlabelling.
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Affiliation(s)
- B Binkova
- Laboratory of Genetic Ecotoxicology, Institute of Experimental Medicine, AS CR and Health Institute of Central Bohemia, Vídenská 1083, 142 20 Prague 4, Czech Republic
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Gábelová A, Valovicová Z, Lábaj J, Bacová G, Binková B, Farmer PB. Assessment of oxidative DNA damage formation by organic complex mixtures from airborne particles PM(10). Mutat Res 2007; 620:135-44. [PMID: 17403525 DOI: 10.1016/j.mrfmmm.2007.03.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The free radical generating activity of airborne particulate matter (PM(10)) has been proposed as a primary mechanism in biological activity of ambient air pollution. In an effort to determine the impact of the complex mixtures of extractable organic matter (EOM) from airborne particles on oxidative damage to DNA, the level of 8-oxo-2'-deoxyguanosine (8-oxodG), the most prevalent and stable oxidative lesion, was measured in the human metabolically competent cell line Hep G2. Cultured cells were exposed to equivalent EOM concentrations (5-150microg/ml) and oxidative DNA damage was analyzed using a modified single cell gel electrophoresis (SCGE), which involves the incubation of whole cell DNA with repair specific DNA endonuclease, which cleaves oxidized DNA at the sites of 8-oxodG. EOMs were extracted from PM(10) collected daily (24h intervals) in three European cities: Prague (Czech Republic, two monitoring sites, Libus and Smíchov), Kosice (Slovak Republic) and Sofia (Bulgaria) during 3-month sampling periods in the winter and summer seasons. No substantial time- and dose-dependent increase of oxidative DNA lesions was detected in EOM-treated cells with the exception of the EOM collected at the monitoring site Kosice, summer sampling. In this case, 2h cell exposure to EOM resulted in a slight but significant increase of oxidative DNA damage at three from total of six concentrations. The mean 8-oxodG values at these concentrations ranged from 15.3 to 26.1 per 10(6) nucleotides with a value 3.5 per 10(6) nucleotides in untreated cells. B[a]P, the positive control, induced a variable but insignificant increase of oxidative DNA damage in Hep G2 cell (approximately 1.6-fold increase over control value). Based on these data we believe that EOM samples extracted from airborne particle PM(10) play probably only a marginal role in oxidative stress generation and oxidative lesion formation to DNA. However, adsorbed organic compounds can undergo various interactions (additive or synergistic) with other PM components or physical factors (UV-A radiation) and in this way they might enhance/multiply the adverse health effects of air pollution.
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Affiliation(s)
- Alena Gábelová
- Laboratory of Mutagenesis and Carcinogenesis, Cancer Research Institute of the Slovak Academy of Sciences, Bratislava, Slovakia.
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Singh R, Sram RJ, Binkova B, Kalina I, Popov TA, Georgieva T, Garte S, Taioli E, Farmer PB. The relationship between biomarkers of oxidative DNA damage, polycyclic aromatic hydrocarbon DNA adducts, antioxidant status and genetic susceptibility following exposure to environmental air pollution in humans. Mutat Res 2007; 620:83-92. [PMID: 17445838 DOI: 10.1016/j.mrfmmm.2007.02.025] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) appear to be significant contributors to the genotoxicity and carcinogenicity of air pollution present in the urban environment for humans. Populations exposed to environmental air pollution show increased levels of PAH DNA adducts and it has been postulated that another contributing cause of carcinogenicity by environmental air pollution may be the production of reactive oxygen species following oxidative stress leading to oxidative DNA damage. The antioxidant status as well as the genetic profile of an individual should in theory govern the amount of protection afforded against the deleterious effects associated with exposure to environmental air pollution. In this study we investigated the formation of total PAH (bulky) and B[a]P DNA adducts following exposure of individuals to environmental air pollution in three metropolitan cities and the effect on endogenously derived oxidative DNA damage. Furthermore, the influence of antioxidant status (vitamin levels) and genetic susceptibility of individuals with regard to DNA damage was also investigated. There was no significant correlation for individuals between the levels of vitamin A, vitamin E, vitamin C and folate with M(1)dG and 8-oxodG adducts as well as M(1)dG adducts with total PAH (bulky) or B[a]P DNA adducts. The interesting finding from this study was the significant negative correlation between the level of 8-oxodG adducts and the level of total PAH (bulky) and B[a]P DNA adducts implying that the repair of oxidative DNA damage may be enhanced. This correlation was most significant for those individuals that were non smokers or those unexposed to environmental air pollution. Furthermore the significant inverse correlation between 8-oxodG and B[a]P DNA adducts was confined to individuals carrying the wild type genotype for both the GSTM1 and the GSTT1 gene (separately and interacting). This effect was not observed for individuals carrying the null variant.
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Affiliation(s)
- Rajinder Singh
- Cancer Biomarkers and Prevention Group, Biocentre, University of Leicester, University Road, Leicester, LE1 7RH UK.
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Meng Z, Zhang Q. Damage effects of dust storm PM2.5 on DNA in alveolar macrophages and lung cells of rats. Food Chem Toxicol 2007; 45:1368-74. [PMID: 17336437 DOI: 10.1016/j.fct.2007.01.014] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2006] [Revised: 01/09/2007] [Accepted: 01/18/2007] [Indexed: 11/12/2022]
Abstract
The aim of the present study was to investigate in vitro toxicological effects of PM2.5 suspensions, their water-soluble fraction and solvent-extractable organics from dust storm on the viability and DNA of rat alveolar macrophages and in vivo toxicological effects of PM2.5 suspensions on DNA of lung cells of rats. PM2.5 samples from dust storm and normal weather were collected in Baotou city, Inner Mongolia Autonomous Region, and Wuwei city, Gansu Province, China, in March, 2004. DNA damage was detected with single cell gel electrophoresis technique and cytotoxicity was assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) reduction assay. The results showed that: (1) In vitro, PM2.5 suspensions, their water-soluble fraction and solvent-extractable organics from both dust storm and normal weather caused a decrease of the cell viability and an increase of DNA damage of rat alveolar macrophages in a dose-response manner; for both Baotou city and Wuwei city, the samples of normal weather showed higher DNA damage than those of dust storm at the highest treated dosage; for both normal weather PM2.5 and dust storm PM2.5, their solvent-extractable organics showed higher DNA damage than the water-soluble fraction. (2) In vivo, PM2.5 from both dust storm and normal weather caused an increase of DNA damage of rat lung cells in a dose-response manner. (3) Baotou city is one of the heavy industrial cities, while Wuwei is one of agricultural cities in Northwest region of China. The effects induced by normal weather samples in Baotou city slightly higher than those in Wuwei city on DNA damage, though there was no significant difference was found between two cities. These results lead to conclusions that dust storm PM2.5 as well as normal weather PM2.5 could lead to DNA damage and the organic compounds and the insoluble particle-core might be the main contributors to DNA damage. Our results suggest that the risk of health effects may be greater during dust storms because dust storm PM2.5 whose airborne mass were much higher. Further studies are needed to determine the components of dust storm particles that may contribute to the particle toxicity.
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Affiliation(s)
- Ziqiang Meng
- Institute of Environmental Medicine and Toxicology, Research Center of Environmental Science and Engineering, Shanxi University, Taiyuan 030006, China.
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40
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Abou Chakra OR, Joyeux M, Nerrière E, Strub MP, Zmirou-Navier D. Genotoxicity of organic extracts of urban airborne particulate matter: an assessment within a personal exposure study. CHEMOSPHERE 2007; 66:1375-81. [PMID: 16901531 DOI: 10.1016/j.chemosphere.2006.06.066] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2005] [Revised: 06/09/2006] [Accepted: 06/16/2006] [Indexed: 05/11/2023]
Abstract
Airborne particulate matter, PM(10) and PM(2.5), are associated with a range of health effects including lung cancer. Their complex organic fraction contains genotoxic and carcinogenic compounds such as polycyclic aromatic hydrocarbons (PAHs) and their derivatives. This study evaluates the genotoxicity of the PM(10) and PM(2.5) organic extracts that were sampled in the framework of a personal exposure study in three French metropolitan areas (Paris, Rouen and Strasbourg), using the comet assay, performed on HeLa S3 cells. In each city, 60-90 non-smoking volunteers composed of two groups of equal size (adults and children) carried the personal Harvard Chempass multi-pollutant sampler during 48h along two different seasons ('hot' and 'cold'). Volunteers were selected so as to live (home and work/school) in 3 different urban sectors contrasted in terms of air pollution within each city (one highly exposed to traffic emissions, one influenced by local industrial sources, and a background urban environment). Genotoxic effects are stronger for PM(2.5) extracts than for PM(10), and greater in winter than in summer. Fine particles collected by subjects living within the traffic proximity sector present the strongest genotoxic responses, especially in the Paris metropolitan area. This work confirms the genotoxic potency of particulate matter (PM(10) and PM(2.5)) organic extracts to which urban populations are exposed.
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Affiliation(s)
- Oussama R Abou Chakra
- INSERM ERI-11 et Université Henri Poincaré-Nancy 1, Faculté de médecine, 9 avenue de la Forêt de Haye, 54505 Vandoeuvre lès Nancy, France
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Courter LA, Musafia-Jeknic T, Fischer K, Bildfell R, Giovanini J, Pereira C, Baird WM. Urban dust particulate matter alters PAH-induced carcinogenesis by inhibition of CYP1A1 and CYP1B1. Toxicol Sci 2006; 95:63-73. [PMID: 17060372 DOI: 10.1093/toxsci/kfl137] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The polycyclic aromatic hydrocarbons (PAHs) benzo[a]pyrene (B[a]P) and dibenzo[a,l]pyrene (DB[a,l]P) are well-studied environmental carcinogens, however, their potency within a complex mixture is uncertain. We investigated the influence of urban dust particulate matter (UDPM) on the bioactivation and tumor initiation of B[a]P and DB[a,l]P in an initiation-promotion tumorigenesis model. SENCAR mice were treated topically with UDPM or in combination with B[a]P or DB[a,l]P, followed by weekly application of the promoter 12-O-tetradecanoylphorbol-13 acetate. UDPM exhibited weak tumor-initiating activity but significantly delayed the onset of B[a]P-induced tumor initiation by two-fold. When cotreated with UDPM, DB[a,l]P-treated animals displayed no significant difference in tumor-initiating activity, compared with DB[a,l]P alone. Tumor initiation correlated with PAH-DNA adducts, as detected by (33)P-postlabeling and reversed-phase high-performance liquid chromatography. Induction of cytochrome P450 (CYP)1A1 and 1B1 proteins was also detected following UDPM treatment or cotreatment with B[a]P or DB[a,l]P, indicating PAH bioactivation. Further genotoxicity analyses by the comet assay revealed that cotreatment of UDPM plus B[a]P or DB[a,l]P resulted in increased DNA strand breaks, compared with PAH treatment alone. The metabolizing activities of CYP1A1 and CYP1B1, as measured by the 7-ethoxyresorufin O-deethylation (EROD) assay, revealed that UDPM noncompetitively inhibited CYP1A1 and CYP1B1 EROD activity in a dose-dependent manner. Overall, these data suggest that components within complex mixtures can alter PAH-induced carcinogenesis by inhibiting CYP bioactivation and influence other genotoxic effects, such as oxidative DNA damage. These data further suggest that in addition to the levels of potent PAH, the effects of other mixture components must be considered when predicting human cancer risk.
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Affiliation(s)
- Lauren A Courter
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon 97331-7302, USA
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Affiliation(s)
- D M DeMarini
- Environmental Carcinogenesis Division (B143-06), US Environmental Protection Agency, Research Triangle Park, North Carolina, USA.
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Gutiérrez-Castillo ME, Roubicek DA, Cebrián-García ME, De Vizcaya-Ruíz A, Sordo-Cedeño M, Ostrosky-Wegman P. Effect of chemical composition on the induction of DNA damage by urban airborne particulate matter. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2006; 47:199-211. [PMID: 16355389 DOI: 10.1002/em.20186] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Airborne particulate matter (PM) contains a large number of genotoxic substances capable of endangering human health. In the present study, we have investigated the ability of chemically characterized water-soluble and organic-soluble fractions of two particle sizes (PM2.5 and PM10) from different regions of Mexico City to induce DNA damage in a human lung epithelial cell line. We also evaluated associations between the physicochemical parameters of the PM and its genotoxicity. The airborne particulate samples were collected from four regions of the city; a HiVol air sampler was used to collect PM10 on glass fiber filters and a tapered element oscillating system coupled to an automatic cartridge collection unit was used to collect PM2.5 on teflon filters. PM mass was determined by gravimetric analysis of the filters. Filters containing PM2.5 and one section of each PM10 filter were agitated either with deionized water to extract water-soluble compound, or with dichloromethane to prepare organic-soluble compounds. The chemical composition of the extracts was determined by ion and gas chromatography and atomic adsorption spectroscopy. A549 human type II alveolar epithelial cells were exposed to different concentrations of the PM2.5 and PM10 extracts, and alkaline single cell gel electrophoresis or the Comet assay was performed to measure DNA damage and repair. These analyses indicated that soluble transition metals and the organic-soluble PM fractions are crucial factors in the DNA damage induced by PM. PM composition was more important than PM mass for producing genotoxicity. The results of this study showed that the constituents of the water-soluble PM extract are more likely to induce DNA damage than the organic compounds.
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Vineis P, Husgafvel-Pursiainen K. Air pollution and cancer: biomarker studies in human populations. Carcinogenesis 2005; 26:1846-55. [PMID: 16123121 DOI: 10.1093/carcin/bgi216] [Citation(s) in RCA: 204] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Large cohort studies in the U.S. and in Europe suggest that air pollution may increase lung cancer risk. Biomarkers can be useful to understand the mechanisms and to characterize high-risk groups. Here we describe biomarkers of exposure, in particular DNA adducts as well as markers of early damage, including mutagenicity, other endpoints of genotoxicity and molecular biomarkers of cancer. Several studies found an association between external measures of exposure to air pollution and increased levels of DNA adducts, with an apparent levelling-off of the dose-response relationship. Also, numerous experimental studies in vitro and in vivo have provided unambiguous evidence for genotoxicity of air pollution. In addition, due to the organic extracts of particulate matter [especially various polycyclic aromatic hydrocarbon (PAH) compounds], particulate air pollution induces oxidative damage to DNA. The experimental work, combined with the data on frequent oxidative DNA damage in lymphocytes in people exposed to urban air pollution, suggests 8-oxo-dG as one of the important promutagenic lesions. Lung cancer develops through a series of progressive pathological changes occurring in the respiratory epithelium. Molecular alterations such as loss of heterozygosity, gene mutations and aberrant gene promoter methylation have emerged as potentially promising molecular biomarkers of lung carcinogenesis. Data from such studies relevant for emissions rich in PAHs are also summarized, although the exposure circumstances are not directly relevant to outdoor air pollution, in order to shed light on potential mechanisms of air pollution-related carcinogenesis.
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Affiliation(s)
- Paolo Vineis
- Department of Epidemiology and Public Health, Imperial College of Science, Technology and Medicine, Norfolk Place, London, UK.
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Abstract
Exposure to ambient air particulate matter (PM) is associated with pulmonary and cardiovascular diseases and cancer. The mechanisms of PM-induced health effects are believed to involve inflammation and oxidative stress. The oxidative stress mediated by PM may arise from direct generation of reactive oxygen species from the surface of particles, soluble compounds such as transition metals or organic compounds, altered function of mitochondria or NADPH-oxidase, and activation of inflammatory cells capable of generating ROS and reactive nitrogen species. Resulting oxidative DNA damage may be implicated in cancer risk and may serve as marker for oxidative stress relevant for other ailments caused by particulate air pollution. There is overwhelming evidence from animal experimental models, cell culture experiments, and cell free systems that exposure to diesel exhaust and diesel exhaust particles causes oxidative DNA damage. Similarly, various preparations of ambient air PM induce oxidative DNA damage in in vitro systems, whereas in vivo studies are scarce. Studies with various model/surrogate particle preparations, such as carbon black, suggest that the surface area is the most important determinant of effect for ultrafine particles (diameter less than 100 nm), whereas chemical composition may be more important for larger particles. The knowledge concerning mechanisms of action of PM has prompted the use of markers of oxidative stress and DNA damage for human biomonitoring in relation to ambient air. By means of personal monitoring and biomarkers a few studies have attempted to characterize individual exposure, explore mechanisms and identify significant sources to size fractions of ambient air PM with respect to relevant biological effects. In these studies guanine oxidation in DNA has been correlated with exposure to PM(2.5) and ultrafine particles outdoor and indoor. Oxidative stress-induced DNA damage appears to an important mechanism of action of urban particulate air pollution. Related biomarkers and personal monitoring may be useful tools for risk characterization.
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Affiliation(s)
- Lotte Risom
- Institute of Public Health, University of Copenhagen, Øster Farimagsgade 5, 1014 Copenhagen K, Denmark
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