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El Kawak M, Al Hassanieh J, Berjawi M, Jurdi M, Abiad MG, Yassin N, Dhaini HR. Cytotoxicity of water supply in a Palestinian refugee camp and a Syrian informal tented settlement in Lebanon. PLoS One 2024; 19:e0294679. [PMID: 38165866 PMCID: PMC10760689 DOI: 10.1371/journal.pone.0294679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 10/31/2023] [Indexed: 01/04/2024] Open
Abstract
Deficient water, sanitation, and hygiene (WASH) significantly account for a high burden of disease across the globe. Lebanon, an Eastern Mediterranean lower-middle-income country with a polluted environment, a fragmented healthcare system, and an ongoing severe economic crisis, faces serious challenges in sustaining safe water supplies, especially in vulnerable communities, while also hosting the world highest refugee population per capita. This study aimed to examine the mutagenicity, and the estrogenic and androgenic activities of water supplies, across both a Palestinian refugee camp and a Syrian informal settlement. Water samples were collected from two targeted camps in Dbayeh and Choueifat, North and South of the Capital City Beirut, respectively, between the months of September and October 2022. Microbial and physicochemical properties of samples were determined, including fecal contamination, total dissolved solids, and various minerals and salts. Organic pollutants were extracted using pre-packed solid phase extraction (SPE) columns, and then mutagenicity of extracts was examined using the Ames test in two Salmonella typhi bacterial strains. The estrogenic and androgenic activities of extracts were assessed using the yeast estrogen and androgen screen tests assays (YES/YAS). Results show excessive levels of total coliforms and total dissolved solids (TDS) in samples from both sites. In addition, the water supply from the Dbayeh Palestinian refugee camp is mutagenic, while the water supply from the Choueifat Syrian informal settlement shows anti-androgen activity. Our findings provide valuable WASH baseline data in two major vulnerable communities in Lebanon, and highlight the importance of a water toxicity testing approach concomitant with a water safety plan, based on a holistic strategy that covers all stages of the water supply chain.
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Affiliation(s)
- Michelle El Kawak
- Department of Environmental Health, American University of Beirut, Beirut, Lebanon
| | - Jana Al Hassanieh
- Department of Environmental Health, American University of Beirut, Beirut, Lebanon
| | - Marwa Berjawi
- Department of Environmental Health, American University of Beirut, Beirut, Lebanon
| | - Mey Jurdi
- Department of Environmental Health, American University of Beirut, Beirut, Lebanon
| | - Mohamad G. Abiad
- Department of Nutrition and Food Sciences, American University of Beirut, Beirut, Lebanon
- The Laboratories for the Environment, Agriculture and Food (LEAF), American University of Beirut, Beirut, Lebanon
| | | | - Hassan R. Dhaini
- Department of Environmental Health, American University of Beirut, Beirut, Lebanon
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2
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Calao-Ramos CR, Marrugo Negrete JL, Urango Cárdenas I, Díez S. Genotoxicity and mutagenicity in blood and drinking water induced by arsenic in an impacted gold mining region in Colombia. ENVIRONMENTAL RESEARCH 2023; 233:116229. [PMID: 37236386 DOI: 10.1016/j.envres.2023.116229] [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: 03/09/2023] [Revised: 05/12/2023] [Accepted: 05/23/2023] [Indexed: 05/28/2023]
Abstract
Arsenic (As) is one of the most dangerous substances that can affect human health and long-term exposure to As in drinking water can even cause cancer. The objective of this study was to investigate the concentrations of total As in the blood of inhabitants of a Colombian region impacted by gold mining and to evaluate its genotoxic effect through DNA damage by means of the comet assay. Additionally, the concentration of As in the water consumed by the population as well as the mutagenic activity of drinking water (n = 34) in individuals were determined by hydride generator atomic absorption spectrometry and the Ames test, respectively. In the monitoring, the study population was made up of a group of 112 people, including inhabitants of four municipalities: Guaranda, Sucre, Majagual, and San Marcos from the Mojana region as the exposed group, and Montería as a control group. The results showed DNA damage related to the presence of As in blood (p < 0.05) in the exposed population, and blood As concentrations were above the maximum allowable limit of 1 μg/L established by the ATSDR. A mutagenic activity of the drinking water was observed, and regarding the concentrations of As in water, only one sample exceeded the maximum permissible value of 10 μg/L established by the WHO. The intake of water and/or food containing As is potentially generating DNA damage in the inhabitants of the Mojana region, which requires surveillance and control by health entities to mitigate these effects.
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Affiliation(s)
- Clelia Rosa Calao-Ramos
- Universidad de Córdoba, Carrera 6 No. 77-305, Montería, Research Group in Water, Applied and Environmental Chemistry, Córdoba, Colombia; Universidad de Córdoba, Carrera 6 No. 76-103, Montería, College of Health Sciences, Bacteriology Department, Córdoba, Colombia
| | - Jose Luis Marrugo Negrete
- Universidad de Córdoba, Carrera 6 No. 77-305, Montería, Research Group in Water, Applied and Environmental Chemistry, Córdoba, Colombia.
| | - Iván Urango Cárdenas
- Universidad de Córdoba, Carrera 6 No. 77-305, Montería, Research Group in Water, Applied and Environmental Chemistry, Córdoba, Colombia
| | - Sergi Díez
- Environmental Chemistry Department, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Jordi Girona, 18-26, 08034, Barcelona, Spain.
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Han C, Du S, Zhang W, Zhang D, Wen Z, Chai J, Zhao K, Sun S. Exploration of optimal disinfection model based on groundwater risk assessment in disinfection process. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 261:115107. [PMID: 37290298 DOI: 10.1016/j.ecoenv.2023.115107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 05/30/2023] [Accepted: 06/02/2023] [Indexed: 06/10/2023]
Abstract
Under the influence of different types of disinfectants and disinfection environments, the removal level of pathogens and the formation potential of disinfection by-products (DBPs) will have a dual impact on the groundwater environment. The key points for sustainable groundwater safety management are how to balance the positive and negative relationship and formulate a scientific disinfection model in combination with risk assessment. In this study, the effects of sodium hypochlorite (NaClO) and peracetic acid (PAA) concentrations on pathogenic E. coli and DBPs were investigated using static-batch and dynamic-column experiments, as well as the optimal disinfection model for groundwater risk assessment was explored using quantitative microbial risk assessment and disability-adjusted life years (DALYs) models. Compared to static disinfection, deposition and adsorption were the dominant factors causing E. coli migration at lower NaClO levels of 0-0.25 mg/L under dynamic state, while disinfection was its migration factor at higher NaClO levels of 0.5-6.5 mg/L. In contrast, E. coli removed by PAA was the result of the combined action of deposition, adsorption, and disinfection. The disinfection effects of NaClO and PAA on E. coli differed under dynamic and static conditions. At the same NaClO level, the health risk associated with E. coli in groundwater was higher, whereas, under the same PAA conditions, the health risk was lower. Under dynamic conditions, the optimal disinfectant dosage required for NaClO and PAA to reach the same acceptable risk level was 2 and 0.85 times (irrigation) or 0.92 times (drinking) of static disinfection, respectively. The results may help prevent the misuse of disinfectants and provide theoretical support for managing twin health risks posed by pathogens and DBPs in water treatment.
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Affiliation(s)
- Cuihong Han
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Changchun 130021, China; College of Construction Engineering, Jilin University, Changchun 130021, China
| | - Shanghai Du
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Changchun 130021, China; College of Construction Engineering, Jilin University, Changchun 130021, China; College of New Energy and Environment, Jilin University, Changchun 130021, China
| | - Wenjing Zhang
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Changchun 130021, China; College of New Energy and Environment, Jilin University, Changchun 130021, China.
| | - Dayi Zhang
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Changchun 130021, China; College of New Energy and Environment, Jilin University, Changchun 130021, China
| | - Zong Wen
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Changchun 130021, China; College of New Energy and Environment, Jilin University, Changchun 130021, China
| | - Juanfen Chai
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Changchun 130021, China; College of New Energy and Environment, Jilin University, Changchun 130021, China
| | - Kaichao Zhao
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Changchun 130021, China; College of New Energy and Environment, Jilin University, Changchun 130021, China
| | - Simiao Sun
- School of Geography, Earth and Environmental Sciences, University of Birmingham, UK
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Wang HJ, Peng CW, Han X, Wang Y, Zhang J, Liu JL, Zhou MX, Tang F, Liu AL. Toxicological characteristics of drinking water in two large-scale municipal water supply systems of a metropolitan city in Central China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:64058-64066. [PMID: 37060410 DOI: 10.1007/s11356-023-26882-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 04/04/2023] [Indexed: 04/16/2023]
Abstract
Drinking water safety is threatened by numerous toxic organic pollutants difficult to chemically monitor. This study aimed to determine the toxicological profiles of organic extracts (OEs) of water samples from source to tap in two drinking water supply systems in a metropolitan city, Central China, during different hydrological periods. Mortality, DNA damage, growth, and development of Caenorhabditis elegans were evaluated following exposure to OEs. The median lethal doses of OEs of drinking water samples (n = 48) ranged from 266 REF (relative enrichment factor) to > 1563 REF. When tested at a dose of 100 REF, 56.25% (27/48) of OEs induced genotoxicity, 4.17% (2/48) inhibited the growth, and 45.83% (22/48) decreased the offspring number in C. elegans. No clear temporal-spatial variation patterns of the OEs toxicity indicators were observed. The correlations among the toxicity indicators were generally poor. The observed toxicities were not closely related to the level of dissolved organic carbon in drinking water. These findings support using multiple endpoint bioassays, such as C. elegans-based approaches, as complementary tools to conventional chemical analysis for drinking water quality monitoring.
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Affiliation(s)
- Huai-Ji Wang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
- Wuhan Center for Disease Control and Prevention, Wuhan, 430022, People's Republic of China
| | - Chen-Wei Peng
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Xue Han
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
- School of Basic Medicine, Henan University of Chinese Medicine, Zhengzhou, 450046, People's Republic of China
| | - Yan Wang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Jie Zhang
- Wuhan Water Group Company Limited, Wuhan, 430034, People's Republic of China
| | - Jun-Ling Liu
- Wuhan Center for Disease Control and Prevention, Wuhan, 430022, People's Republic of China
| | - Meng-Xuan Zhou
- Wuhan Water Group Company Limited, Wuhan, 430034, People's Republic of China
| | - Fei Tang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Ai-Lin Liu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China.
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5
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Yuan Y, Jia H, Xu D, Wang J. Novel method in emerging environmental contaminants detection: Fiber optic sensors based on microfluidic chips. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159563. [PMID: 36265627 DOI: 10.1016/j.scitotenv.2022.159563] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/13/2022] [Accepted: 10/15/2022] [Indexed: 06/16/2023]
Abstract
Recently, human industrial practices and certain activities have caused the widespread spread of emerging contaminants throughout the environmental matrix, even in trace amounts, which constitute a serious threat to human health and environmental ecology, and have therefore attracted the attention of research scholars. Different traditional techniques are used to monitor water pollutants, However, they still have some disadvantages such as high costs, ecological problems and treatment times, and require technicians and researchers to operate them effectively. There is therefore an urgent need to develop simple, inexpensive and highly sensitive methods to sense and detect these toxic environmental contaminants. Optical fiber microfluidic coupled sensors offer different advantages over other detection technologies, allowing manipulation of light through controlled microfluidics, precise detection results and good stability, and have therefore become a logical device for screening and identifying environmental contaminants. This paper reviews the application of fiber optic microfluidic sensors in emerging environmental contaminant detection, focusing on the characteristics of different emerging contaminant types, different types of fiber optic microfluidic sensors, methodological principles of detection, and specific emerging contaminant detection applications. The optical detection methods in fiber optic microfluidic chips and their respective advantages and disadvantages are analyzed in the discussion. The applications of fiber optic biochemical sensors in microfluidic chips, especially for the detection of emerging contaminants in the aqueous environment, such as personal care products, endocrine disruptors, and perfluorinated compounds, are reviewed. Finally, the prospects of fiber optic microfluidic coupled sensors in environmental detection and related fields are foreseen.
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Affiliation(s)
- Yang Yuan
- State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin 300387, China; School of Material Science and Engineering, Tiangong University, Tianjin 300387, China
| | - Hui Jia
- State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin 300387, China; School of Environmental Science and Engineering, Tiangong University, Tianjin 300387, China.
| | - DanYu Xu
- Tianjin Academy of Eco-enviromental Sciences, Tianjin 300191, China
| | - Jie Wang
- State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin 300387, China; School of Environmental Science and Engineering, Tiangong University, Tianjin 300387, China; Cangzhou Institute of Tiangong University, Tiangong University, Tianjin 300387, China.
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6
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Hong H, Lu Y, Zhu X, Wu Q, Jin L, Jin Z, Wei X, Ma G, Yu H. Cytotoxicity of nitrogenous disinfection byproducts: A combined experimental and computational study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 856:159273. [PMID: 36209887 DOI: 10.1016/j.scitotenv.2022.159273] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/02/2022] [Accepted: 10/02/2022] [Indexed: 06/16/2023]
Abstract
Nitrogenous disinfection byproducts (N-DBPs), such as halocetamides (HAcAms), haloacetonitriles (HANs) and halonitromethanes (HNMs), are emerging DBPs in drinking water. They are more toxic than currently regulated DBPs, attracting more attention to their toxic effects and mechanism. In this study, human embryonic kidney (HEK) 293T cells were employed to explore the cytotoxicity of 29 N-DBPs. The influence of molecular structures and different halogenations on cytotoxicity has been comparatively analyzed. As toxicity is the downstream of chemico-biological interactions, the thiol reactivity of 29 N-DBPs has thus been evaluated by using glutathione (GSH) as a model nucleophile, which is the most prevalent cellular thiol and acts as an antioxidant to protect cells by detoxifying electrophilic compounds. Results show that the cytotoxicity of N-DBPs follows by the order of HAcAms > HANs > HNMs, which is different from their reactivity with GSH (the median of kGSH ranks as HNMs > HAcAms > HANs). However, a significant correlation (p < 0.001) between log kGSH and log IC50 (concentration causing 50% inhibition) has been respectively observed for HAcAms and HANs subset and HNMs subset, indicating such chemical reaction is a probable trigger for these DBPs to result in cytotoxicity. Finally, two separate quantitative structure - activity relationship (QSAR) models based on HANs & HAcAms subset and HNMs subset have been developed for estimating IC50 values. The good statistical performance makes the models possible to quickly and accurately predict IC50 values of other N-DBPs, providing basic data for their health risk assessment and greatly reducing in vivo and in vitro experiments.
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Affiliation(s)
- Huachang Hong
- College of Geography and Environmental Sciences, Zhejiang Normal University, Yingbin Avenue 688, 321004 Jinhua, China
| | - Yuchen Lu
- College of Geography and Environmental Sciences, Zhejiang Normal University, Yingbin Avenue 688, 321004 Jinhua, China
| | - Xiaoyan Zhu
- College of Geography and Environmental Sciences, Zhejiang Normal University, Yingbin Avenue 688, 321004 Jinhua, China
| | - Qiang Wu
- College of Geography and Environmental Sciences, Zhejiang Normal University, Yingbin Avenue 688, 321004 Jinhua, China
| | - Lingmin Jin
- College of Geography and Environmental Sciences, Zhejiang Normal University, Yingbin Avenue 688, 321004 Jinhua, China
| | - Zhigang Jin
- College of Chemistry and Life Sciences, Zhejiang Normal University, Yingbin Avenue 688, 321004 Jinhua, China
| | - Xiaoxuan Wei
- College of Geography and Environmental Sciences, Zhejiang Normal University, Yingbin Avenue 688, 321004 Jinhua, China
| | - Guangcai Ma
- College of Geography and Environmental Sciences, Zhejiang Normal University, Yingbin Avenue 688, 321004 Jinhua, China
| | - Haiying Yu
- College of Geography and Environmental Sciences, Zhejiang Normal University, Yingbin Avenue 688, 321004 Jinhua, China.
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7
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Dettori M, Arghittu A, Deiana G, Castiglia P, Azara A. The revised European Directive 2020/2184 on the quality of water intended for human consumption. A step forward in risk assessment, consumer safety and informative communication. ENVIRONMENTAL RESEARCH 2022; 209:112773. [PMID: 35065937 DOI: 10.1016/j.envres.2022.112773] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/12/2022] [Accepted: 01/17/2022] [Indexed: 06/14/2023]
Abstract
Water is an indispensable element for humankind and indeed all living beings; as such it is essential that it be supplied in adherence with safety and security criteria so as to fulfill its primordial role in community development. Therefore, the European Union has issued a new Directive on drinking water, updating the previous one (98/83/EC). The main new features of the updated Directive issued on January 12, 2021 include: • The adoption of a risk-based approach, in accordance with the principles of the Water Safety Plan, along the entire supply chain including the domestic system from the meter to the tap; • The updating of some quality standards, mainly related to the introduction of new parameters and the modification of parameter values for some in a more restrictive sense and for others in more permissive terms; • The identification of possible emerging pollutants present in supply sources (catchment areas); • The demand for effective and transparent communication to citizens on the quality of the water supplied, necessary to foster consumer confidence in the mains water supply. The Directive is the first European legislation adopted following a European Citizens' Initiative (ECI), a European Union participatory democracy tool launched through the "Right2Water" initiative aiming to positively affect the environment. Indeed, the increased consumer confidence in tap water resulting from the desired improvement in communication to citizens should lead to a gradual reduction in the use of plastic water bottles. In addition, the Directive confirms what WHO has been reporting for some time through its Water Safety Plans. It is not limited to monitoring activities but also reproposes and promotes a generalised safety approach based on risk identification and management along the entire drinking water supply chain (from the catchment area to extraction, treatment, storage including distribution). The revised Directive will become the reference standard for the quality of water intended for human consumption in EU countries, and its entry into force will make it possible to minimise the harmful impacts of pollution on human health.
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Affiliation(s)
- Marco Dettori
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, 07100, Sassari, Italy; Azienda Ospedaliero- Universitaria di Sassari, 07100, Sassari, Italy.
| | - Antonella Arghittu
- Azienda Ospedaliero- Universitaria di Sassari, 07100, Sassari, Italy; Department of Biomedical Sciences, University of Sassari, 07100, Sassari, Italy.
| | - Giovanna Deiana
- Azienda Ospedaliero- Universitaria di Sassari, 07100, Sassari, Italy; Department of Biomedical Sciences, University of Sassari, 07100, Sassari, Italy.
| | - Paolo Castiglia
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, 07100, Sassari, Italy; Azienda Ospedaliero- Universitaria di Sassari, 07100, Sassari, Italy.
| | - Antonio Azara
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, 07100, Sassari, Italy; Azienda Ospedaliero- Universitaria di Sassari, 07100, Sassari, Italy.
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8
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Liu X, Xiao Y, Zhang Z, You Z, Li J, Ma D, Li B. Recent Progress in
Metal‐Organic
Frameworks@Cellulose Hybrids and Their Applications. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100534] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Xiongli Liu
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry Nankai University Tianjin 300350 China
| | - Yun Xiao
- General English Department, College of Foreign Languages Nankai University Tianjin 300071 China
| | - Zhiyuan Zhang
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry Nankai University Tianjin 300350 China
| | - Zifeng You
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry Nankai University Tianjin 300350 China
| | - Jinli Li
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry Nankai University Tianjin 300350 China
| | - Dingxuan Ma
- College of Chemistry and Molecular Engineering, Laboratory of Eco‐chemical Engineering, Ministry of Education Qingdao University of Science and Technology Qingdao 266042 China
| | - Baiyan Li
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry Nankai University Tianjin 300350 China
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Yusuf A, O'Flynn D, White B, Holland L, Parle-McDermott A, Lawler J, McCloughlin T, Harold D, Huerta B, Regan F. Monitoring of emerging contaminants of concern in the aquatic environment: a review of studies showing the application of effect-based measures. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:5120-5143. [PMID: 34726207 DOI: 10.1039/d1ay01184g] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Water scarcity is increasingly a global cause of concern mainly due to widespread changes in climate conditions and increased consumptive water use driven by the exponential increase in population growth. In addition, increased pollution of fresh water sources due to rising production and consumption of pharmaceuticals and organic chemicals will further exacerbate this concern. Although surface water contamination by individual chemicals is often at very low concentration, pharmaceuticals for instance are designed to be efficacious at low concentrations, creating genuine concern for their presence in freshwater sources. Furthermore, the additive impact of multiple compounds may result in toxic or other biological effects that otherwise will not be induced by individual chemicals. Globally, different legislative frameworks have led to pre-emptive efforts which aim to ensure good water ecological status. Reports detailing the use and types of effect-based measures covering specific bioassay batteries that can identify specific mode of actions of chemical pollutants in the aquatic ecosystem to evaluate the real threat of pollutants to aquatic lives and ultimately human lives have recently emerged from monitoring networks such as the NORMAN network. In this review, we critically evaluate some studies within the last decade that have implemented effect-based monitoring of pharmaceuticals and organic chemicals in aquatic fauna, evaluating the occurrence of different chemical pollutants and the impact of these pollutants on aquatic fauna with special focus on pollutants that are contaminants of emerging concern (CEC) in urban wastewater. A critical discussion on studies that have used effect-based measures to assess biological impact of pharmaceutical/organic compound in the aquatic ecosystem and the endpoints measurements employed is presented. The application of effect-based monitoring of chemicals other than assessment of water quality status is also discussed.
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Affiliation(s)
- Azeez Yusuf
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
- Water Institute, Dublin City University, Dublin, Ireland
| | - Dylan O'Flynn
- School of Chemical Sciences, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland
- Water Institute, Dublin City University, Dublin, Ireland
| | - Blanaid White
- School of Chemical Sciences, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland
- Water Institute, Dublin City University, Dublin, Ireland
| | - Linda Holland
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
- Water Institute, Dublin City University, Dublin, Ireland
| | - Anne Parle-McDermott
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
- Water Institute, Dublin City University, Dublin, Ireland
| | - Jenny Lawler
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
- Water Institute, Dublin City University, Dublin, Ireland
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, Doha, Qatar
| | - Thomas McCloughlin
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
- Water Institute, Dublin City University, Dublin, Ireland
| | - Denise Harold
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
| | - Belinda Huerta
- School of Chemical Sciences, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland
- Water Institute, Dublin City University, Dublin, Ireland
| | - Fiona Regan
- School of Chemical Sciences, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland
- Water Institute, Dublin City University, Dublin, Ireland
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10
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Bai W, Takao Y, Kubo T. First evaluation of genotoxicity of strong bases and zwitterions in treated household effluents. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:126053. [PMID: 34492893 DOI: 10.1016/j.jhazmat.2021.126053] [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: 02/06/2021] [Revised: 04/28/2021] [Accepted: 05/03/2021] [Indexed: 06/13/2023]
Abstract
Various genotoxic substances in household effluents have not been sufficiently studied. The purpose of this study is to evaluate them using the umu test after dividing them based on the acid-base properties of their functional groups by solid-phase extraction cartridges. The results of the samples concentrated with reverse-phase cartridges showed that the substances with acid functional groups had stronger genotoxicity as 4.1-12.1 ng-4-NQO/mL without S9 enzyme and 17.4-51.8 ng-2-AA/mL with S9 enzyme, while the basic substances also showed a certain degree of toxicity. The results of dividing the effluents by acid-base properties using ion-exchange cartridges showed that chemical substances with strong acid functional groups did not demonstrate genotoxicity. It was found that the genotoxicity of chemicals with functional groups of weak acids was half of that of the total amount. The genotoxicity of the neutral substance was not strong, and the genotoxicity of the weak basic substances was negligible. The zwitterions and substances with strong basic functional groups showed about half the total genotoxicity. This is the first report that has investigated the genotoxicity of zwitterions in effluents.
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Affiliation(s)
- Wenzhi Bai
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan.
| | - Yuji Takao
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Takashi Kubo
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
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11
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Téllez Tovar SS, Rodríguez Susa M. Cancer risk assessment from exposure to trihalomethanes in showers by inhalation. ENVIRONMENTAL RESEARCH 2021; 196:110401. [PMID: 33130164 DOI: 10.1016/j.envres.2020.110401] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/25/2020] [Accepted: 10/25/2020] [Indexed: 06/11/2023]
Abstract
In many countries water disinfection for human consumption is still carried out via chlorination which generates by-products such as trihalomethanes (THM). Exposure to THM constitutes a public health risk as such substances are known to be carcinogenic. This study evaluated exposure to THMs by inhalation in showers and assessed the carcinogenic risk for lifetime exposure. The study population involved students at Universidad de los Andes residing in Bogotá, Colombia. The risk assessment was performed stochastically and the exposure parameters were taken as probability distributions. Most variables were measured in relation to the chosen population. The risk was calculated using two different methodologies but no significant variations were obtained. The average risk calculated for men and women was 56 cases in a million (5.6 × 10-5). A sensitivity analysis was carried out where it was found that the parameters that increase risk the most are the concentration of chloroform in the water, exposure time, and the volume of the shower cubicle.
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Affiliation(s)
- Silvana Sofía Téllez Tovar
- Environmental Engineering Research Center. Department of Civil and Environmental Engineering, Universidad de Los Andes, Bogotá, Colombia
| | - Manuel Rodríguez Susa
- Environmental Engineering Research Center. Department of Civil and Environmental Engineering, Universidad de Los Andes, Bogotá, Colombia.
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12
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Zhang W, Guo C, Wang XL, Lv ZL, Fan L, Yang YY, Li X, Qi J, Zhao SL, Wang XL. Double-endpoint Genotoxicity Quantification and PAHs Characterization of Drinking Water Source alongside Polluted Yinghe River with High Tumor Mortality. Curr Med Sci 2021; 41:189-198. [PMID: 33877535 DOI: 10.1007/s11596-021-2336-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 02/10/2021] [Indexed: 11/26/2022]
Abstract
The etiology for the high tumor mortality in heavy polluted Yinghe river basin is still unclear and polycyclic aromatic hydrocarbons (PAHs) belong to the priority pollutants in water based on the former surveillance data. In order to explore the potential genotoxicants contributing to the double-endpoint genotoxicity of polluted drinking water source, 12 groundwater and 3 surface water samples were collected from 3 villages and the nearby rivers alongside Yinghe river basin, respectively and their comprehensive genotoxicity was estimated with a bioassay group of SOS/umu test and micronucleus (MN) test (MNT). Some groundwater samples showed positive genotoxicity and all surface water samples were highly genotoxic. Eight groundwater samples showed DNA genotoxic effect with the average 4-NQO equivalent concentration (TEQ(4-NQO)) of 0.067 µg/L and 0.089 µg/L in wet and dry season, respectively. The average MN ratios of groundwater samples were 14.19‰ and 17.52‰ in wet and dry season, respectively. Groundwater samples showed different genotoxic effect among 3 villages. The total PAHs concentrations in all water samples ranged from 8.98 to 25.17 ng/L with an average of 14.97±4.85 ng/L. BaA, CHR, BkF, BaP and DBA were the main carcinogenic PAHs contributing to the genotoxicity of water samples. In conclusion, carcinogenic PAHs are possibly related to the high tumor mortality in the target area. Characterization of carcinogenic PAHs to genotoxicity of drinking water source may shed light on the etiology study for high tumor mortality in Yinghe river basin.
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Affiliation(s)
- Wei Zhang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, China CDC Key Laboratory of Environment and Population Health, Beijing, 100021, China
| | - Chen Guo
- China State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Xiao-Li Wang
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, 100124, China
| | - Zhan-Lu Lv
- China State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Lin Fan
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, China CDC Key Laboratory of Environment and Population Health, Beijing, 100021, China
| | - Yu-Yan Yang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, China CDC Key Laboratory of Environment and Population Health, Beijing, 100021, China
| | - Xu Li
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, China CDC Key Laboratory of Environment and Population Health, Beijing, 100021, China
| | - Jing Qi
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, China CDC Key Laboratory of Environment and Population Health, Beijing, 100021, China
| | - Shu-Li Zhao
- China National Environmental Monitoring Center, Beijing, 100012, China
| | - Xian-Liang Wang
- National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, China CDC Key Laboratory of Environment and Population Health, Beijing, 100021, China.
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13
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Ong JY, Pence JT, Molik DC, Shepherd HAM, Goodson HV. Yeast grown in continuous culture systems can detect mutagens with improved sensitivity relative to the Ames test. PLoS One 2021; 16:e0235303. [PMID: 33730086 PMCID: PMC7968628 DOI: 10.1371/journal.pone.0235303] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 02/18/2021] [Indexed: 11/20/2022] Open
Abstract
Continuous culture systems allow for the controlled growth of microorganisms over a long period of time. Here, we develop a novel test for mutagenicity that involves growing yeast in continuous culture systems exposed to low levels of mutagen for a period of approximately 20 days. In contrast, most microorganism-based tests for mutagenicity expose the potential mutagen to the biological reporter at a high concentration of mutagen for a short period of time. Our test improves upon the sensitivity of the well-established Ames test by at least 20-fold for each of two mutagens that act by different mechanisms (the intercalator ethidium bromide and alkylating agent methyl methanesulfonate). To conduct the tests, cultures were grown in small, inexpensive continuous culture systems in media containing (potential) mutagen, and the resulting mutagenicity of the added compound was assessed via two methods: a canavanine-based plate assay and whole genome sequencing. In the canavanine-based plate assay, we were able to detect a clear relationship between the amount of mutagen and the number of canavanine-resistant mutant colonies over a period of one to three weeks of exposure. Whole genome sequencing of yeast grown in continuous culture systems exposed to methyl methanesulfonate demonstrated that quantification of mutations is possible by identifying the number of unique variants across each strain. However, this method had lower sensitivity than the plate-based assay and failed to distinguish the different concentrations of mutagen. In conclusion, we propose that yeast grown in continuous culture systems can provide an improved and more sensitive test for mutagenicity.
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Affiliation(s)
- Joseph Y. Ong
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana, United States of America
| | - Julia T. Pence
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana, United States of America
| | - David C. Molik
- Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana, United States of America
| | - Heather A. M. Shepherd
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana, United States of America
| | - Holly V. Goodson
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana, United States of America
- Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana, United States of America
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14
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Carducci AL, Agodi A, Ancona C, Angelini P, Bagordo F, Barbone F, Birbaum L, Carreri V, Casuccio A, Conti A, Conversano M, De Donno A, De Giglio O, Desiante F, Di Pietro A, Dogliotti E, Donato F, Fara GM, Fiore M, Forastiere F, Giammanco G, Izzotti A, Montagna MT, Oliveri Conti G, Petronio MG, Sciacca S, Signorelli C, Testai E, Verani M, Vinceti M, Vitale F, Ferrante M, Adani G, Berghella L, Calia C, Calzolari R, Canale A, Castiglione D, Conti A, Copat C, Cristaldi A, Cuffari G, Coronel Vargas G, De Vita E, De Nard F, Federigi I, Filippini T, Grasso A, Leonardi N, Letzgus M, Lo Bianco G, Mazzucco W, Nicolosi I, Orlandi P, Paladino G, Pizzo S, Pousis C, Raffo M, Rivolta S, Scarpitta F, Trani G, Triggiano F, Tumbarello A, Vecchio V, Zuccarello P, Vassallo M. Impact of the environment on the health: From theory to practice. ENVIRONMENTAL RESEARCH 2021; 194:110517. [PMID: 33271142 DOI: 10.1016/j.envres.2020.110517] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/18/2020] [Accepted: 11/19/2020] [Indexed: 06/12/2023]
Abstract
The Erice 56 Charter titled "Impact of the environment on the health: from theory to practice" was unanimously approved at the end of the 56th course of the "International School of Epidemiology and Preventive Medicine G. D'Alessandro" held from 3rd to November 7, 2019 in Erice - Sicily (Italy) and promoted by the Study Group of "Environment and Health" of the Italian Society of Hygiene, Preventive Medicine and Public Health. The course, that included lectures, open discussions and guided working groups, was aimed to provide a general training on epidemiological and toxicological aspects of the environmental health impact, to be used by public health professionals for risk assessment, without forgetting the risk communications. At the end of the course 12 key points were agreed among teachers and students: they underlined the need of specific training and research, in the perspective of "One Health" and "Global Health", also facing emerging scientific and methodological issues and focusing on communication towards stakeholders. This Discussion highlight the need to improve knowledge of Health and Environment topic in all sectors of health and environmental prevention and management.
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Affiliation(s)
- A L Carducci
- Department of Biology, University of Pisa, Italy
| | - A Agodi
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - C Ancona
- Department of Epidemiology of the Regional Health Service, Lazio Region, Rome, Italy
| | - P Angelini
- Public Health Service, Emilia-Romagna Region, Italy
| | - F Bagordo
- Department of Biological and Environmental Sciences and Technologies, University of Salento, Italy
| | - F Barbone
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Italy
| | - L Birbaum
- Office of the Director, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC, USA
| | - V Carreri
- Past-President of Italian Society of Hygiene (SItI), Italy
| | - A Casuccio
- Department of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, "G. D'Alessandro", University of Palermo, Italy
| | - A Conti
- Regional Agency for Environmental Protection of Sicily, Italy
| | - M Conversano
- Department of Public Health, ASL, Taranto, Italy
| | - A De Donno
- Department of Biological and Environmental Sciences and Technologies, University of Salento, Italy
| | - O De Giglio
- Department of Biomedical Sciences and Human Oncology, Section of Hygiene, University of Bari Aldo Moro, Italy
| | - F Desiante
- Department of Prevention, Local Health Authority of Taranto, Taranto, Italy
| | - A Di Pietro
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Italy
| | - E Dogliotti
- Department of Environmental and Health. Istituto Superiore di Sanità. Rome, Italy
| | - F Donato
- Department of Medical and Surgical Specialties, Radiological Sciences, And Public Health, University of Brescia, Italy
| | - G M Fara
- International School of Epidemiology and Preventive Medicine «Giuseppe D'Alessandro», Erice, Trapani, Italy
| | - M Fiore
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - F Forastiere
- Department of Epidemiology of the Regional Health Service, Lazio Region, Rome, Italy
| | - G Giammanco
- International School of Epidemiology and Preventive Medicine «Giuseppe D'Alessandro», Erice, Trapani, Italy
| | - A Izzotti
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - M T Montagna
- Department of Biomedical Sciences and Human Oncology, Section of Hygiene, University of Bari Aldo Moro, Italy
| | - G Oliveri Conti
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - M G Petronio
- Health and Environment-Department of Prevention, Local Health Authority-Empoli, Florence, Italy
| | - S Sciacca
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - C Signorelli
- University Vita-Salute San Raffaele, Milan, Italy
| | - E Testai
- Istituto Superiore di Sanità, Environment & Health Dept., Rome, Italy
| | - M Verani
- Department of Biology, University of Pisa, Italy
| | - M Vinceti
- Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - F Vitale
- Department of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, "G. D'Alessandro", University of Palermo, Italy
| | - M Ferrante
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy.
| | - G Adani
- Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - L Berghella
- Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - C Calia
- Department of Biomedical Sciences and Human Oncology, Section of Hygiene, University of Bari Aldo Moro, Italy
| | - R Calzolari
- Regional Agency for Environmental Protection of Sicily, Italy
| | - A Canale
- Department of Biology, University of Pisa, Italy
| | - D Castiglione
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - A Conti
- Regional Agency for Environmental Protection of Sicily, Italy
| | - C Copat
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - A Cristaldi
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - G Cuffari
- Regional Agency for Environmental Protection of Sicily, Italy
| | - G Coronel Vargas
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - E De Vita
- Department of Biology, University of Pisa, Italy
| | | | - I Federigi
- Department of Biology, University of Pisa, Italy
| | - T Filippini
- Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - A Grasso
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - N Leonardi
- University Center for the Protection and Management of Natural Environments and Agrosystems (CUTGANA), University of Catania, Italy
| | | | | | - W Mazzucco
- Department of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, "G. D'Alessandro", University of Palermo, Italy
| | - I Nicolosi
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - P Orlandi
- Local Health Authority of Rome, Italy
| | - G Paladino
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - S Pizzo
- Department of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, "G. D'Alessandro", University of Palermo, Italy
| | - C Pousis
- Department of Biomedical Sciences and Human Oncology, Section of Hygiene, University of Bari Aldo Moro, Italy
| | - M Raffo
- Local Health Authority of Rome, Italy
| | | | - F Scarpitta
- Department of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, "G. D'Alessandro", University of Palermo, Italy
| | - G Trani
- Central Health Department of the Friuli Venezia Giulia Region, Trieste, Italy
| | - F Triggiano
- Department of Biomedical Sciences and Human Oncology, Section of Hygiene, University of Bari Aldo Moro, Italy
| | | | - V Vecchio
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - P Zuccarello
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
| | - M Vassallo
- Department of Medical Science, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, Italy
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15
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B-Comet Assay (Comet Assay on Buccal Cells) for the Evaluation of Primary DNA Damage in Human Biomonitoring Studies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17249234. [PMID: 33321868 PMCID: PMC7763633 DOI: 10.3390/ijerph17249234] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/29/2020] [Accepted: 12/07/2020] [Indexed: 12/16/2022]
Abstract
Many subjects perceive venous blood collection as too invasive, and thus moving to better-accepted procedures for leukocytes collection might be crucial in human biomonitoring studies (e.g., biomonitoring of occupational or residential exposure to genotoxins) management. In this context, primary DNA damage was assessed in buccal lymphocytes (BLs), fresh whole venous, and capillary blood leukocytes, and compared with that in peripheral blood lymphocytes (PBLs)—the most frequently used cells—in 15 young subjects. Mouthwashes were collected after the volunteers rinsed their mouths with normal saline, and BLs were isolated by density gradient centrifugation. Blood samples were collected by venipuncture or by lancet. Anthropometric and lifestyle information was obtained by the administration of a structured questionnaire. As shown in the Bland-Altman plots, the level of agreement between BLs and PBLs lied within the accepted range, we thus enrolled a wider population (n = 54) to assess baseline DNA damage in BLs. In these cells, mean values of tail length (µm), tail intensity (%), and tail moment were 25.7 ± 0.9, 6.7 ± 0.4 and 1.0 ± 0.1, respectively. No significant association was observed between sex and smoking habit with any of the DNA damage parameters. Conversely, underweight subjects displayed significantly higher genomic instability compared with normal weight group (p < 0.05). In conclusion, we successfully managed to set up and update a non-invasive and well-accepted procedure for the isolation of BLs from saliva that could be useful in upcoming biomonitoring studies.
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