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Deng S, Chen C, Wang Y, Liu S, Zhao J, Cao B, Jiang D, Jiang Z, Zhang Y. Advances in understanding and mitigating Atrazine's environmental and health impact: A comprehensive review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 365:121530. [PMID: 38905799 DOI: 10.1016/j.jenvman.2024.121530] [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: 04/28/2024] [Revised: 06/09/2024] [Accepted: 06/16/2024] [Indexed: 06/23/2024]
Abstract
Atrazine is a widely used herbicide in agriculture, and it has garnered significant attention because of its potential risks to the environment and human health. The extensive utilization of atrazine, alongside its persistence in water and soil, underscores the critical need to develop safe and efficient removal strategies. This comprehensive review aims to spotlight atrazine's potential impact on ecosystems and public health, particularly its enduring presence in soil, water, and plants. As a known toxic endocrine disruptor, atrazine poses environmental and health risks. The review navigates through innovative removal techniques across soil and water environments, elucidating microbial degradation, phytoremediation, and advanced methodologies such as electrokinetic-assisted phytoremediation (EKPR) and photocatalysis. The review notably emphasizes the complex process of atrazine degradation and ongoing scientific efforts to address this, recognizing its potential risks to both the environment and human health.
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Affiliation(s)
- Shijie Deng
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China
| | - Cairu Chen
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yuhang Wang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China
| | - Shanqi Liu
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China
| | - Jiaying Zhao
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China
| | - Bo Cao
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China
| | - Duo Jiang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China
| | - Zhao Jiang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China
| | - Ying Zhang
- School of Resources and Environment, Northeast Agricultural University, Harbin, 150030, PR China; Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130132, PR China.
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2
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Bao Y, Zhao S, Wu N, Yuan Y, Ruan L, He J. Degradation of Atrazine by an Anaerobic Microbial Consortium Enriched from Soil of an Herbicide-Manufacturing Plant. Curr Microbiol 2024; 81:117. [PMID: 38492090 DOI: 10.1007/s00284-024-03624-w] [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: 04/12/2023] [Accepted: 01/23/2024] [Indexed: 03/18/2024]
Abstract
Atrazine is an important herbicide that has been widely used for weed control in recent decades. However, with the extensive use of atrazine, its residue seriously pollutes the environment. Therefore, the microbial degradation and detoxification of atrazine have received extensive attention. To date, the aerobic degradation pathway of atrazine has been well studied; however, little is known about its anaerobic degradation in the environment. In this study, an anaerobic microbial consortium capable of efficiently degrading atrazine was enriched from soil collected from an herbicide-manufacturing plant. Six metabolites including hydroxyatrazine, deethylatrazine, N-isopropylammelide, deisopropylatrazine, cyanuric acid, and the novel metabolite 4-ethylamino-6-isopropylamino-1,3,5-triazine (EIPAT) were identified, and two putative anaerobic degradation pathways of atrazine were proposed: a hydrolytic dechlorination pathway is similar to that seen in aerobic degradation, and a novel pathway initiated by reductive dechlorination. During enrichment, Denitratisoma, Thiobacillus, Rhodocyclaceae_unclassified, Azospirillum, and Anaerolinea abundances significantly increased, dominating the enriched consortium, indicating that they may be involved in atrazine degradation. These findings provide valuable evidence for elucidating the anaerobic catabolism of atrazine and facilitating anaerobic remediation of residual atrazine pollution.
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Affiliation(s)
- Yixuan Bao
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, People's Republic of China
| | - Shiyu Zhao
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, People's Republic of China
| | - Ningning Wu
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, People's Republic of China
| | - Ye Yuan
- Cuiying Honors College, Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
| | - Luyao Ruan
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, People's Republic of China
| | - Jian He
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, People's Republic of China.
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Rajput P, Kumar P, Priya AK, Kumari S, Shiade SRG, Rajput VD, Fathi A, Pradhan A, Sarfraz R, Sushkova S, Mandzhieva S, Minkina T, Soldatov A, Wong MH, Rensing C. Nanomaterials and biochar mediated remediation of emerging contaminants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 916:170064. [PMID: 38242481 DOI: 10.1016/j.scitotenv.2024.170064] [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: 08/16/2023] [Revised: 12/29/2023] [Accepted: 01/08/2024] [Indexed: 01/21/2024]
Abstract
The unrestricted release of various toxic substances into the environment is a critical global issue, gaining increased attention in modern society. Many of these substances are pristine to various environmental compartments known as contaminants/emerging contaminants (ECs). Nanoparticles and emerging sorbents enhanced remediation is a compelling methodology exhibiting great potential in addressing EC-related issues and facilitating their elimination from the environment, particularly those compounds that demonstrate eco-toxicity and pose considerable challenges in terms of removal. It provides a novel technique enabling the secure and sustainable removal of various ECs, including persistent organic compounds, microplastics, phthalate, etc. This extensive review presents a critical perspective on the current advancements and potential outcomes of nano-enhanced remediation techniques such as photocatalysis, nano-sensing, nano-enhanced sorbents, bio/phyto-remediation, which are applied to clean-up the natural environment. In addition, when dealing with residual contaminants, special attention is paid to both health and environmental implications; therefore, an evaluation of the long-term sustainability of nano-enhanced remediation methods has been considered. The integrated mechanical approaches were thoroughly discussed and presented in graphical forms. Thus, the critical evaluation of the integrated use of most emerging remediation technologies will open a new dimension in environmental safety and clean-up program.
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Affiliation(s)
| | - Pradeep Kumar
- Department of Botany, MMV, Banaras Hindu University, Varanasi 221005, India
| | - A K Priya
- Department of Chemical Engineering, KPR Institute of Engineering and Technology, Tamil Nadu, India
| | | | | | | | - Amin Fathi
- Department of Agronomy, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran
| | - Arunava Pradhan
- Centre of Molecular and Environmental Biology (CBMA), Campus of Gualtar, University of Minho, 4710-057 Braga, Portugal; IB-S - Institute of Science and Innovation for Bio-Sustainability, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - Rubab Sarfraz
- Institute of Environmental Microbiology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | | | | | | | | | - Ming Hung Wong
- Southern Federal University, Rostov-on-Don 344006, Russia; Consortium on Health, Environment, Education, and Research (CHEER), Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, China
| | - Christopher Rensing
- Institute of Environmental Microbiology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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Ahkin Chin Tai JK, Horzmann KA, Jenkins TL, Akoro IN, Stradtman S, Aryal UK, Freeman JL. Adverse developmental impacts in progeny of zebrafish exposed to the agricultural herbicide atrazine during embryogenesis. ENVIRONMENT INTERNATIONAL 2023; 180:108213. [PMID: 37774458 PMCID: PMC10613503 DOI: 10.1016/j.envint.2023.108213] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 10/01/2023]
Abstract
Atrazine (ATZ) is an herbicide commonly used on crops in the Midwestern US and other select global regions. The US Environmental Protection Agency ATZ regulatory limit is 3 parts per billion (ppb; µg/L), but this limit is often exceeded. ATZ has a long half-life, is a common contaminant of drinking water sources, and is indicated as an endocrine disrupting chemical in multiple species. The zebrafish was used to test the hypothesis that an embryonic parental ATZ exposure alters protein levels leading to modifications in morphology and behavior in developing progeny. Zebrafish embryos (F1) were collected from adults (F0) exposed to 0, 0.3, 3, or 30 ppb ATZ during embryogenesis. Differential proteomics, morphology, and behavior assays were completed with offspring aged 120 or 144 h with no additional chemical treatment. Proteomic analysis identified differential expression of proteins associated with neurological development and disease; and organ and organismal morphology, development, and injury, specifically the skeletomuscular system. Head length and ratio of head length to total length was significantly increased in the F1 of 0.3 and 30 ppb ATZ groups (p < 0.05). Based on molecular pathway alterations, further craniofacial morphology assessment found decreased distance for cartilaginous structures, decreased surface area and distance between saccular otoliths, and a more posteriorly positioned notochord (p < 0.05), indicating delayed ossification and skeletal growth. The visual motor response assay showed hyperactivity in progeny of the 30 ppb treatment group for distance moved and of the 0.3 and 30 ppb treatment groups for time spent moving (p < 0.05). Due to the changes in saccular otoliths, an acoustic startle assay was completed and showed decreased response in the 0.3 and 30 ppb treatments (p < 0.05). These findings suggest that a single embryonic parental exposure alters cellular pathways in their progeny that lead to perturbations in craniofacial development and behavior.
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Affiliation(s)
| | - Katharine A Horzmann
- School of Health Sciences, Purdue University, West Lafayette, IN, USA; Department of Pathobiology, Auburn University, Auburn, AL, USA
| | - Thomas L Jenkins
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, USA
| | - Isabelle N Akoro
- School of Health Sciences, Purdue University, West Lafayette, IN, USA
| | - Sydney Stradtman
- School of Health Sciences, Purdue University, West Lafayette, IN, USA
| | - Uma K Aryal
- Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA; Bindley Bioscience Center, Discovery Park, Purdue University, West Lafayette, IN, USA
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Hou Y, Liu X, Qin Y, Hou Y, Hou J, Wu Q, Xu W. Zebrafish as model organisms for toxicological evaluations in the field of food science. Compr Rev Food Sci Food Saf 2023; 22:3481-3505. [PMID: 37458294 DOI: 10.1111/1541-4337.13213] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 06/29/2023] [Accepted: 07/03/2023] [Indexed: 09/13/2023]
Abstract
Food safety has long been an area of concern. The selection of stable and efficient model organisms is particularly important for food toxicology studies. Zebrafish (Danio rerio) are small model vertebrates, and 70% of human genes have at least one zebrafish ortholog. Zebrafish have advantages as model organisms due to their short life cycle, strong reproductive ability, easy rearing, and low cost. Zebrafish embryos have the advantage of being sensitive to the breeding environment and thus have been used as biosensors. Zebrafish and their embryos have been widely used for food toxicology assessments. This review provides a systematic and comprehensive summary of food toxicology studies using zebrafish as model organisms. First, we briefly introduce the multidimensional mechanisms and structure-activity relationship studies of food toxicological assessment. Second, we categorize these studies according to eight types of hazards in foods, including mycotoxins, pesticides, antibiotics, heavy metals, endocrine disruptors, food additives, nanoparticles, and other food-related ingredients. Finally, we list the applications of zebrafish in food toxicology studies in line with future research prospects, aiming to provide a valuable reference for researchers in the field of food science.
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Affiliation(s)
- Yingyu Hou
- Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, Hubei Normal University, Huangshi, Hubei, China
| | - Xixia Liu
- Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, Hubei Normal University, Huangshi, Hubei, China
| | - Yanlin Qin
- Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, Hubei Normal University, Huangshi, Hubei, China
| | - Yaoyao Hou
- Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, Hubei Normal University, Huangshi, Hubei, China
| | - Jianjun Hou
- Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, Hubei Normal University, Huangshi, Hubei, China
| | - Qin Wu
- Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization, Hubei Normal University, Huangshi, Hubei, China
| | - Wentao Xu
- Key Laboratory of Precision Nutrition and Food Quality, Beijing Laboratory for Food Quality and Safety, Department of Nutrition and Health, China Agricultural University, Beijing, China
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Azzouz A, Kumar V, Hejji L, Kim KH. Advancements in nanomaterial-based aptasensors for the detection of emerging organic pollutants in environmental and biological samples. Biotechnol Adv 2023; 66:108156. [PMID: 37084799 DOI: 10.1016/j.biotechadv.2023.108156] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/16/2023] [Accepted: 04/15/2023] [Indexed: 04/23/2023]
Abstract
The combination of nanomaterials (NMs) and aptamers into aptasensors enables highly specific and sensitive detection of diverse pollutants. The great potential of aptasensors is recognized for the detection of diverse emerging organic pollutants (EOPs) in different environmental and biological matrices. In addition to high sensitivity and selectivity, NM-based aptasensors have many other advantages such as portability, miniaturization, facile use, and affordability. This work showcases the recent advances achieved in the design and fabrication of NM-based aptasensors for monitoring EOPs (e.g., hormones, phenolic contaminants, pesticides, and pharmaceuticals). On the basis of their sensing mechanisms, the covered aptasensing systems are classified as electrochemical, colorimetric, PEC, fluorescence, SERS, and ECL. Special attention has been paid to the fabrication processes, analytical achievements, and sensing mechanisms of NM-based aptasensors. Further, the practical utility of aptasensing approaches has also been assessed based on their basic performance metrics (e.g., detection limits, sensing ranges, and response times).
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Affiliation(s)
- Abdelmonaim Azzouz
- Department of Chemistry, Faculty of Science, University of Abdelmalek Essaadi, B.P. 2121, M'Hannech II, 93002 Tetouan, Morocco
| | - Vanish Kumar
- National Agri-Food Biotechnology Institute (NABI), Sector 81, SAS Nagar, Mohali, Punjab 140306, India
| | - Lamia Hejji
- Department of Chemistry, Faculty of Science, University of Abdelmalek Essaadi, B.P. 2121, M'Hannech II, 93002 Tetouan, Morocco; Department of Chemical, Environmental, and Materials Engineering, Higher Polytechnic School of Linares, University of Jaén, Campus Científico-Tecnológico, Cinturón Sur s/n, 23700 Linares, Jaén, Spain
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 04763, South Korea.
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Min N, Park H, Hong T, An G, Song G, Lim W. Developmental toxicity of prometryn induces mitochondrial dysfunction, oxidative stress, and failure of organogenesis in zebrafish (Danio rerio). JOURNAL OF HAZARDOUS MATERIALS 2023; 443:130202. [PMID: 36272374 DOI: 10.1016/j.jhazmat.2022.130202] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 10/05/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023]
Abstract
Prometryn, 2-methylthio-4,6-bis(isopropylamino)-1,3,5-triazine, is a selective thiomethyl triazine herbicide widely used to control unwanted weeds and harmful insects by inhibiting electron transport in target organisms. Despite having various advantages, herbicides pose as a major threat to the environment and human health due to persistent contamination, bioaccumulation, and damage to non-target organisms. In this study, the developmental toxicity of 5, 10, and 20 mg/L prometryn in zebrafish (Danio rerio) embryos was evaluated and compared to that of the solvent control for 96 h. Several transgenic zebrafish models (fli1a:eGFP, flk1:eGFP, olig2:dsRed and L-fabp:dsRed) were visually assessed to detect fluorescently tagged genes. Results showed that prometryn shortened body length, and induced yolk sac, heart edema, abnormal heart rate, and loss of viability. Fluorescence microscopy revealed that prometryn exposure caused defects in organ development, reactive oxygen species accumulation, and apoptotic cell death. Mitochondrial bioenergetics were also evaluated to determine the effect of prometryn on the electron transport chain activity and metabolic alterations. Prometryn was found to interfere with mitochondrial function, ultimately inhibiting energy metabolism and embryonic development. Collectively, our findings suggest that prometryn is a potential contaminate for non-target sites and organisms, especially aquatic, and emphasize the need to consider the toxic effects of prometryn.
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Affiliation(s)
- Nayoung Min
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Hahyun Park
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Taeyeon Hong
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Garam An
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea.
| | - Whasun Lim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, Republic of Korea.
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Mishra S, Kumar P, Mehrotra I, Kumar M. Prevalence of organic micropollutants in the Yamuna River, Delhi, India: seasonal variations and governing factors. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159684. [PMID: 36302441 DOI: 10.1016/j.scitotenv.2022.159684] [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: 09/07/2021] [Revised: 10/20/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
This work primarily emphases on evaluating the prevalence of organic micropollutants (OMPs) in the perennial Yamuna River (YR) that flow through the national capital of India, Delhi. Sixteen sampling campaigns (non-monsoon, n = 9; monsoon n = 7) were organized to understand the seasonal variations with special emphasis on monsoon. We have found fifty-five OMPs in the monsoon; while forty-seven were detected in non-monsoon. Fifty-seven screened and quantified OMPs in the most polluted stretch of River Yamuna included the pharmaceutically active compounds, pesticides, endocrine-disrupting chemicals, phthalates, personal care products, fatty acids, food additives, hormones, and trace organics present in hospital wastes. During monsoon months, compounds for which concentrations exceeded 50 μg/L were: adenine (64.6 μg/L), diethyl phthalate (62.9 μg/L), and octamethyltrisiloxane (56.9 μg/L); and the same for non-monsoon months was only for 1-dodecanethiol (52.3 μg/L). The average concentration of OMPs in non-monsoon months indicate PhACs>PCPs>Pesticides>Fatty acids>Hospital waste>Hormones>Pesticides>EDCs. In monsoon months due to surface runoff and high volume of untreated wastewater discharges few more OMPs concentrations were detected which mainly includes PhACs (clofibric acid, diclofenac sodium, gemfibrozil, ketoprofen), pesticides (aldrin, metribuzin, atrazine, simazine). Due to dilution effect in the monsoon months, average concentrations of 3-acetamido-5-bromobenzoic acid (PhACs) was reduced from 45.22 μg/L to 14.07 μg/L, whereas some EDCs such as 2,4- Di-tert-amylphenol, 3,5- di-tert-butyl-4-hydroxybenzyl alcohol, Triphenylphosphine oxide, Benzophenone were found in much higher concentrations in the monsoon months. Octamethyltrisiloxane (PCPs) was detected 50 times higher in concentration in the monsoon months. Interestingly, the concentration of about 50 % of the OMPs was more in the monsoon samples than in non-monsoon samples which is contrary to the general understanding that monsoon-induced dilution lowers the concentrations of OMPs. In RY water higher magnitude of diclofenac sodium, ibuprofen, ketoprofen, and clofibric acid was found than Europe and North America rivers. Hormones such as estriol and estrone in RY water are found 70 to 100 times higher than the maximum reported concentrations in the US streams. Finally, various OMPs responded differently to the monsoon season as evident from multivariate analyses.
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Affiliation(s)
- Soma Mishra
- Department of Civil Engineering, Indian Institute of Technology, Roorkee, Uttarakhand, India.
| | - Pradeep Kumar
- Department of Civil Engineering, Indian Institute of Technology, Roorkee, Uttarakhand, India; Department of Civil Engineering, Sharda School of Engineering and Technology (SSET), Sharda University, Greater Noida, UP, India
| | - Indu Mehrotra
- Department of Civil Engineering, Indian Institute of Technology, Roorkee, Uttarakhand, India
| | - Manish Kumar
- Sustainability Cluster, School of Engineering, University of Petroleum & Energy Studies, Dehradun, Uttarakhand 248007, India; Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Campus Monterey, Monterrey 64849, Nuevo Leon, Mexico
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Correia D, Domingues I, Faria M, Oliveira M. Effects of fluoxetine on fish: What do we know and where should we focus our efforts in the future? THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159486. [PMID: 36257440 DOI: 10.1016/j.scitotenv.2022.159486] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
Fluoxetine is one of the most studied and detected selective serotonin reuptake inhibitors in the aquatic environment, found at concentrations ranging from ng/L to μg/L. Its presence in this environment can induce effects on aquatic organisms that may compromise their fitness. Several experimental studies have demonstrated that fluoxetine can induce neurotoxicity, genetic and biochemical changes, and cause behavioral dysfunction in a wide range of fish species. However, contradictory results can be found. There is thus the need for a comprehensive review of the current state of knowledge on the effects of fluoxetine on fish at different levels of biological organization, highlighting inclusive patterns and discussing the potential causes for the contradictory results, that can be found in the available literature. This review also aims to explore and identify the main gaps in knowledge and areas for future research. We conclude that environmentally relevant concentrations of fluoxetine (e.g., from 0.00345 μg/L) produced adverse effects and often this concentration range is not addressed in conventional environmental risk assessment strategies. Its environmental persistence and ionizable properties reinforce the need for standardized testing with representative aquatic models, targeting endpoints sensitive to the specific mode of action of fluoxetine, in order to assess and rank its actual environmental risk to aquatic ecosystems.
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Affiliation(s)
- Daniela Correia
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Inês Domingues
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | | | - Miguel Oliveira
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
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Yin J, Hong X, Wang J, Li W, Shi Y, Wang D, Liu R. DNA methylation 6 mA and histone methylation involved in multi-/trans-generational reproductive effects in Caenorhabditis elegans induced by Atrazine. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114348. [PMID: 36508798 DOI: 10.1016/j.ecoenv.2022.114348] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
Atrazine (ATR), a widely used triazine herbicide, is an environmental endocrine disruptor that can cause health problems. However, whether there are multi/trans-generational reproductive impacts of ATR have not been studied. Therefore, in this study, Caenorhabditis elegans was used as a preferable model organism to identify the multi/trans-generational reproductive toxicity of ATR. Only parental C.elegans (P0) were exposed to different concentrations (0.0004-40 mg/L) for 48 h and the subsequent offspring (F1-F5) were grown under ATR-free conditions and ATR conditions.The results showed that ATR exposure during P0 decreased fecundity, including a reduction in fertilized eggs, oocytes, and ovulation rate, delayed gonadal development, and decreased the relative area of gonad arm and germ cell number. Furthermore, continuous ATR exposure (P0-F5) causes a significant increase in reproductive toxicity in subsequent generations, although no significant toxicity occurred in the P0 generation after exposure to environmental-related concentrations, suggesting that ATR exposure might have cumulative effects. Likewise, parental exposure to ATR caused transgenerational toxicity impairments. Interestingly, only reproductive toxicity, not development toxicity, was transmitted to several generations (F1-F4), and the F2 generation showed the most notable changes. QRT-PCR results showed that genes expression related to DNA methylation 6 mA (damt-1, nmad-1) and histone H3 methylation (mes-4, met-2, set-25, set-2, and utx-1) can also be passed on to offspring. The function of H3K4 and H3K9 methylation were explored by using loss-of-function mutants for set-2, set-25, and met-2. Transmissible reproductive toxicity was absent in met-2(n4256), set-2(ok952), and set-25(n5021) mutants, which suggests that the histone methyltransferases H3K4 and H3K9 activity are indispensable for the transgenerational effect of ATR. Finally, the downstream genes of DNA methylation and histone H3 methylation were determined. ATR upregulated the expression of ZC317.7, hsp-6, and hsp-60. Mitochondrial stress in parental generation dependent transcription 6 mA modifiers may establish these epigenetic marks in progeny.
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Affiliation(s)
- Jiechen Yin
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Xiang Hong
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Jia Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Weixi Li
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Yingchi Shi
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Dayong Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Ran Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
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Horzmann KA, Lin LF, Taslakjian B, Yuan C, Freeman JL. Anxiety-related behavior and associated brain transcriptome and epigenome alterations in adult female zebrafish exposed to atrazine during embryogenesis. CHEMOSPHERE 2022; 308:136431. [PMID: 36126741 DOI: 10.1016/j.chemosphere.2022.136431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 08/19/2022] [Accepted: 09/09/2022] [Indexed: 06/08/2023]
Abstract
Atrazine often contaminates drinking water sources, exceeding the maximum contaminant level established by the US Environmental Protection Agency at 3 parts per billion (ppb; μg/L). Atrazine is linked to endocrine disruption, neurotoxicity, and cancer, with delayed health effects observed after developmental exposure in line with the developmental origins of health and disease (DOHaD) hypothesis. To test the hypothesis that embryonic atrazine exposure induces delayed neurotoxicity in adult female zebrafish (Danio rerio), embryos were exposed to 0, 0.3, 3, or 30 ppb atrazine during embryogenesis (1-72 h post fertilization (hpf)) and raised to adults with no additional atrazine exposure. Behavioral outcomes were tested through a novel tank test, light-dark box, and open field test and indicated female zebrafish had more anxious phenotypes at 9 months post fertilization (mpf). Female brain transcriptomic analysis at 9 mpf found altered gene expression pathways related to organismal injury and cancer with beta-estradiol and estrogen receptor as top upstream regulators. These results were compared to 9 mpf male and 6 mpf female groups with the same atrazine embryonic exposures and showed differences in specific genes that were altered, but similarities in top molecular pathways. Molecular pathways associated with behavior were observed only in the 6 mpf transcriptomic profiles, suggesting prediction of observed behavioral outcomes at 9 mpf. The expression of genes associated with serotonin neurotransmission was also evaluated at 14 mpf to determine persistence; however, no significant changes were observed. Brain global methylation in 12 mpf zebrafish observed an increased percent 5 mC in females with embryonic 0.3 ppb atrazine exposure. Finally, the body length, body weight, and brain weight were determined at 14 mpf and were altered in all treatment groups. These results indicate that embryonic atrazine exposure does cause delayed neurotoxicity within the DOHaD framework, which is significant given atrazine's presence and persistence in the environment.
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Affiliation(s)
- Katharine A Horzmann
- School of Health Sciences, Purdue University, West Lafayette, IN, 47907, USA; Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn AL, 36849, USA.
| | - Li F Lin
- School of Chemical Engineering, Purdue University, West Lafayette, IN, 47907, USA.
| | - Boghos Taslakjian
- School of Health Sciences, Purdue University, West Lafayette, IN, 47907, USA.
| | - Chongli Yuan
- School of Chemical Engineering, Purdue University, West Lafayette, IN, 47907, USA.
| | - Jennifer L Freeman
- School of Health Sciences, Purdue University, West Lafayette, IN, 47907, USA.
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12
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Graziosi A, Sita G, Corrieri C, Angelini S, d’Emmanuele di Villa Bianca R, Mitidieri E, Sorrentino R, Hrelia P, Morroni F. Effects of Subtoxic Concentrations of Atrazine, Cypermethrin, and Vinclozolin on microRNA-Mediated PI3K/Akt/mTOR Signaling in SH-SY5Y Cells. Int J Mol Sci 2022; 23:ijms232314538. [PMID: 36498866 PMCID: PMC9737829 DOI: 10.3390/ijms232314538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/18/2022] [Accepted: 11/19/2022] [Indexed: 11/24/2022] Open
Abstract
Endocrine-disrupting chemicals (EDCs) are different natural and synthetic chemicals that may interfere with several mechanisms of the endocrine system producing adverse developmental, metabolic, reproductive, and neurological effects in both human beings and wildlife. Among pesticides, numerous chemicals have been identified as EDCs. MicroRNAs (miRNAs) can regulate gene expression, making fine adjustments in mRNA abundance and regulating proteostasis. We hypothesized that exposure to low doses of atrazine, cypermethrin, and vinclozolin may lead to effects on miRNA expression in SH-SY5Y cells. In particular, the exposure of SH-SY5Y cells to subtoxic concentrations of vinclozolin is able to downregulate miR-29b-3p expression leading to the increase in the related gene expression of ADAM12 and CDK6, which may promote a pro-oncogenic response through the activation of the PI3K/Akt/mTOR pathway and counteracting p53 activity. A better understanding of the molecular mechanisms of EDCs could provide important insight into their role in human disease.
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Affiliation(s)
- Agnese Graziosi
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum—University of Bologna, via Irnerio 48, 40126 Bologna, Italy
| | - Giulia Sita
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum—University of Bologna, via Irnerio 48, 40126 Bologna, Italy
| | - Camilla Corrieri
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum—University of Bologna, via Irnerio 48, 40126 Bologna, Italy
| | - Sabrina Angelini
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum—University of Bologna, via Irnerio 48, 40126 Bologna, Italy
| | | | - Emma Mitidieri
- Department of Pharmacy, School of Medicine and Surgery, University of Study of Naples—Federico II, via Montesano 49, 80131 Naples, Italy
| | - Raffaella Sorrentino
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine and Surgery, University of Study of Naples—Federico II, via Pansini 5, 80131 Naples, Italy
| | - Patrizia Hrelia
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum—University of Bologna, via Irnerio 48, 40126 Bologna, Italy
- Correspondence: ; Tel.: +39-051-209-1798
| | - Fabiana Morroni
- Department of Pharmacy and BioTechnology—FaBiT, Alma Mater Studiorum—University of Bologna, via Irnerio 48, 40126 Bologna, Italy
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Thakkar S, Seetharaman B, Kumar H, Vasantharekha R. Endocrine-Disrupting Chemicals Exposure Alter Neuroendocrine Factors, Disrupt Cardiac Functions and Provokes Hypoxia Conditions in Zebrafish Model. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2022; 83:201-213. [PMID: 36070142 DOI: 10.1007/s00244-022-00955-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 08/18/2022] [Indexed: 06/15/2023]
Abstract
Zebrafish (Danio rerio) is an increasingly popular vertebrate model used for assessing the toxicity of endocrine-disrupting chemicals (EDCs) on living beings. The zebrafish features high genetic homology to mammals, because of its rapid embryonic development, optical transparency of phenotypic screening embryos, high throughput genetic and chemical screening which make them a powerful toxicological model. This systematic review aimed to assess the recent literature on the use of zebrafish model in EDCs toxicity studies. We capture the data on the types of EDCs used, zebrafish life stages associated with the toxicity, and its effects on the alterations in neuroendocrine factors and cardiac hypoxia in zebrafish. A total of 17 articles published between 2010 and 2020 were curated. The information gathered highlighted the association of EDCs with cardiological outcomes and neurobehavioral effects and distorted expression of genes. The genes that were highlighted in the paper include bdnf, ntrk2a, grin2cb, VTG-1, HIF-1α, tnnt2, ntrk1, and pax6b. The effect of EDCs on cardiac hypoxia and neurodevelopmental and behavioral factors of zebrafish were described in all the papers chosen for this review. The involvement of EDCs in altered regulation of gene expression can be studied further to identify the potential EDC compounds on its toxicological and endocrine disruption function at the molecular level.
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Affiliation(s)
- Sweta Thakkar
- SRM Institute of Science and Technology, Kattankulathur, India
| | | | - Hamsini Kumar
- SRM Institute of Science and Technology, Kattankulathur, India
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14
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He S, Lang H, Shen J, Zhang L, Fang H, Yu Y. Herbicidal activity of atrazine to barnyard grass depends upon soil characteristics. PEST MANAGEMENT SCIENCE 2022; 78:3287-3293. [PMID: 35484723 DOI: 10.1002/ps.6953] [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: 12/29/2021] [Revised: 04/03/2022] [Accepted: 04/28/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND The efficacy of a herbicide as soil treatment agent may be largely affected by soil characteristics. Understanding the relationship between herbicide efficacy and soil characteristics can provide decision basis for herbicide application according to local conditions. This study was aimed towards exploring the effect of soil characteristics on herbicidal activity of atrazine as a model herbicide to barnyard grass and thus to find an indicator for the herbicidal activity assessment of a herbicide against weeds. RESULTS The herbicidal activity of atrazine to barnyard grass varied greatly among the tested soils with the medium inhibition concentration (IC50 ), based on the amended concentration, ranging from 1.07 to 10.91 mg kg-1 . Uptake of atrazine by barnyard grass was negatively correlated with its adsorption onto soils, whereas it was positively related to the concentration of the herbicide in in situ pore water (CIPW ). Comparable IC50 values ranging from 1.14 to 1.38 were obtained from CIPW in the tested soils with much smaller variation coefficient compared to those based on the traditional concentration (Csoil ) of this herbicide in soils determined by extraction with organic solvents. CONCLUSION The concentration of atrazine in in situ pore water could be reliable to evaluate its bioavailability and herbicidal activity to barnyard grass. CIPW of a herbicide in soil could be an indicator for guiding the practical application rate. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Shuhong He
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, China
| | - Hongbin Lang
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, China
| | - Jiatao Shen
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, China
| | - Luqing Zhang
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, China
| | - Hua Fang
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, China
| | - Yunlong Yu
- Institute of Pesticide and Environmental Toxicology, The Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou, China
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Valencia-Quintana R, Bahena-Ocampo IU, González-Castañeda G, Bonilla E, Milić M, Bonassi S, Sánchez-Alarcón J. miRNAs: A potentially valuable tool in pesticide toxicology assessment-current experimental and epidemiological data review. CHEMOSPHERE 2022; 295:133792. [PMID: 35104543 DOI: 10.1016/j.chemosphere.2022.133792] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 01/26/2022] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
miRNAs are responsible for the regulation of many cellular processes such as development, cell differentiation, proliferation, apoptosis, and tumor growth. Several studies showed that they can also serve as specific, stable, and sensitive markers of chemical exposure. In this review, current experimental and epidemiological data evidencing deregulation in miRNA expression in response to fungicides, insecticides or herbicides were analyzed. As shown by Venn's diagrams, miR-363 and miR-9 deregulation is associated with fungicide exposure in vitro and in vivo, while let-7, miR-155, miR-181 and miR-21 were found to be commonly deregulated by at least three different insecticides. Furthermore, let-7, miR-30, miR-126, miR-181 and miR-320 were commonly deregulated by 3 different herbicides. Notably, these 5 miRNAs were also found to be deregulated by one or more insecticides, suggesting their participation in the cellular response to pesticides, regardless of their chemical structure. All these miRNAs have been proposed as potential biomarkers for fungicide, insecticide, or herbicide exposure. These results allow us to improve our understanding of the molecular mechanisms of toxicity upon pesticide exposure, although further studies are needed to confirm these miRNAs as definitive (not potential) biomarkers of pesticide exposure.
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Affiliation(s)
- Rafael Valencia-Quintana
- Laboratorio "Rafael Villalobos-Pietrini" de Toxicología Genómica y Química Ambiental, Facultad de Agrobiología, Universidad Autónoma de Tlaxcala, CA Ambiente y Genética UATLX-CA-223 Red Temática de Toxicología de Plaguicidas, Tlaxcala, 90000, Mexico.
| | | | | | - Edmundo Bonilla
- Departamento de Ciencias de La Salud, UAM-Iztapalapa, Mexico.
| | - Mirta Milić
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, Zagreb, 10000, Croatia.
| | - Stefano Bonassi
- Department of Human Sciences and Quality of Life Promotion, San Raffaele University, Rome, 00166, Italy; Unit of Clinical and Molecular Epidemiology IRCCS San Raffaele Pisana, Rome, 00166, Italy.
| | - Juana Sánchez-Alarcón
- Laboratorio "Rafael Villalobos-Pietrini" de Toxicología Genómica y Química Ambiental, Facultad de Agrobiología, Universidad Autónoma de Tlaxcala, CA Ambiente y Genética UATLX-CA-223 Red Temática de Toxicología de Plaguicidas, Tlaxcala, 90000, Mexico.
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16
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Wang Y, Liu C, Wang F, Sun Q. Behavior and mechanism of atrazine adsorption on pristine and aged microplastics in the aquatic environment: Kinetic and thermodynamic studies. CHEMOSPHERE 2022; 292:133425. [PMID: 34954195 DOI: 10.1016/j.chemosphere.2021.133425] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 06/14/2023]
Abstract
Microplastics (MPs) are emerging pollutants that have gained much attention due to their potential harm to aquatic ecosystems and organisms. In particular, MP conjugates are loaded with chemical contaminants (e.g., atrazine pesticide), which may be ingested by organisms and can pose higher risks. However, the combined pollution effects and interaction mechanisms remain poorly understood. In this study, we systematically explored the adsorption behaviors and mechanisms of atrazine (ATZ) on pristine and aged MPs using kinetics, isotherms, and thermodynamic models. The target MPs included polystyrene (PS), polyethylene (PE), and polypropylene (PP) as well as the corresponding aged types. Moreover, the effects of pH, humic acid (HA), ionic strength, and ion species (Cl-, SO42-, HCO3-, Mg2+, and Ca2+) of aqueous factors were evaluated. The adsorption capacities of MPs under kinetic equilibrium conditions were as follows: aged PE (0.940 mg g-1) > aged PP (0.677 mg g-1) > aged PS (0.663 mg g-1) > PS (0.565 mg g-1) > PE (0.535 mg g-1) > PP (0.410 mg g-1). The adsorption kinetics and isotherm model results suggested a combination of physisorption and chemisorption. The aging process and pH significantly affected the intrinsic charge on the surface of the MPs and their adsorption capacities. Moreover, the presence of water medium parameters might enhance or inhibit adsorption of different MPs. Hydrophobic and electrostatic attraction mainly contributed to the adsorption of ATZ on pristine MPs, whereas complex surface diffusion and hydrogen bonding dominated the ATZ adsorption on aged MPs with more oxygen-containing groups. In addition, we examined the desorption performance of ATZ from MPs under simulated gastric and intestinal conditions of warm-blooded animals, and found that the ATZ desorption ratio of aged PE (35.3%) showed the most significant effects among the six target types of MPs. This study provides in-depth insights into the co-existence and complex behaviors of MPs and the pesticide pollutant ATZ, to attract further attention to their ecological risks in freshwater environments.
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Affiliation(s)
- Yi Wang
- College of Environmental Science and Engineering, Fujian Normal University, Fuzhou, 350007, China; School of Geographical Sciences, Fujian Normal University, Fuzhou, 350007, China; Fujian Province Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou, 350007, China
| | - Changqing Liu
- School of Geographical Sciences, Fujian Normal University, Fuzhou, 350007, China; Fujian Province Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou, 350007, China
| | - Feifeng Wang
- College of Environmental Science and Engineering, Fujian Normal University, Fuzhou, 350007, China; Fujian Province Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou, 350007, China.
| | - Qiyuan Sun
- College of Environmental Science and Engineering, Fujian Normal University, Fuzhou, 350007, China; Fujian Province Key Laboratory of Pollution Control and Resource Recycling, Fujian Normal University, Fuzhou, 350007, China.
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17
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Sbizzaro M, César Sampaio S, Rinaldo dos Reis R, de Assis Beraldi F, Medina Rosa D, Maria Branco de Freitas Maia C, Saramago de Carvalho Marques dos Santos Cordovil C, Tillvitz do Nascimento C, Antonio da Silva E, Eduardo Borba C. Effect of production temperature in biochar properties from bamboo culm and its influences on atrazine adsorption from aqueous systems. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117667] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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18
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Abd Rani NF, Ahmad Kamil K, Aris F, Mohamed Yunus N, Zakaria NA. Atrazine-degrading bacteria for bioremediation strategy: A review. BIOCATAL BIOTRANSFOR 2021. [DOI: 10.1080/10242422.2021.2000967] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Nur Fauziah Abd Rani
- Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia
| | | | - Farizan Aris
- Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia
| | | | - Nurul Aili Zakaria
- Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, Selangor, Malaysia
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Pu Y, Jin P, Liu L, Pu Q, Wu F. Dysosma versipellis Extract Inhibits Esophageal Cancer Progression through the Wnt Signaling Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2021; 2021:1221899. [PMID: 34729077 PMCID: PMC8557981 DOI: 10.1155/2021/1221899] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 09/17/2021] [Indexed: 11/22/2022]
Abstract
OBJECTIVE In this study, we aim to investigate the effect of Dysosma versipellis extract on biological behavior of esophageal cancer cells and its underlying mechanisms. METHODS A total of 30 BALB/C nude mice (class SPF) were equally and randomly divided into the control group, model group, and Dysosma versipellis group. CP-C cell of esophageal cancer was subcutaneously injected into the model group as well as the Dysosma versipellis group, and the same amount of normal saline into the control group, in order to compare the tumorigenesis of nude mice of three groups. Wnt, β-catenin, and p-GSK3β/GSK3β expression in tumor tissues was detected using Western blot. CP-C cells in logarithmic growth were selected and divided into 4 groups, including the control group, podophyllotoxin group, Wnt activator group, and combined group (mixture of podophyllotoxin and Wnt activator). The cell viability, apoptosis, and invasion ability, Wnt, β-catenin, and p-GSK3β/GSK3β expression level of CP-C cells in each group were detected via MTT assay, flow cytometry, transwell, and Western blot, respectively. RESULTS The tumorigenesis rates of the control group, model group, and Dysosma versipellis group were 0%, 90% (1 tumor-free mouse), and 80% (2 tumor-free mice), respectively. The tumor mass in the Dysosma versipellis group was significant less than that in the model group. Based on the results of Western blot, Wnt, ß-catenin, and p-GSK3β/GSK3β expression of the Dysosma versipellis group was lower than that of the control group. The in vitro viability test indicated that there was a significant difference in cell viability exhibited among four groups. Cell viability level in the 3 groups, including the combined group, blank group, and Wnt activator group, was higher than the podophyllotoxin group at each time point. In vitro apoptosis assay revealed that significant differences in cell apoptosis exhibited among four groups. Cell apoptosis rate was higher in the podophyllotoxin group compared to the remaining three groups. The Wnt activator group showed the lowest cell apoptosis rate. The in vitro invasion assay demonstrated that numbers of transmembrane cell in the 3 groups, involving the combined group, blank group, and Wnt activator group, showed a higher level than the podophyllotoxin group. The results of Western blot manifested that the podophyllotoxin group showed lower level of Wnt, ß-catenin, and p-GSK3β/GSK3β expression compared to the other 3 groups. CONCLUSION Podophyllotoxin in Dysosma versipellis has an excellent antiesophageal cancer effect and is able to inhibit cell viability as well as invasion ability and promote apoptosis of esophageal cancer cells by inhibiting the Wnt signaling pathway, which could be potentially used in future clinical treatment of esophageal cancer.
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Affiliation(s)
- Yanchun Pu
- School of Pharmaceutical Sciences, Hunan University of Medicine, No. 492, Jinxi South Road, Huaihua, Hunan Province 418099, China
| | - Ping Jin
- School of Pharmaceutical Sciences, Hunan University of Medicine, No. 492, Jinxi South Road, Huaihua, Hunan Province 418099, China
| | - Lianghong Liu
- School of Pharmaceutical Sciences, Hunan University of Medicine, No. 492, Jinxi South Road, Huaihua, Hunan Province 418099, China
| | - Qinlin Pu
- School of Pharmaceutical Sciences, Hunan University of Medicine, No. 492, Jinxi South Road, Huaihua, Hunan Province 418099, China
| | - Fangping Wu
- School of Pharmaceutical Sciences, Hunan University of Medicine, No. 492, Jinxi South Road, Huaihua, Hunan Province 418099, China
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Giambò F, Leone GM, Gattuso G, Rizzo R, Cosentino A, Cinà D, Teodoro M, Costa C, Tsatsakis A, Fenga C, Falzone L. Genetic and Epigenetic Alterations Induced by Pesticide Exposure: Integrated Analysis of Gene Expression, microRNA Expression, and DNA Methylation Datasets. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168697. [PMID: 34444445 PMCID: PMC8394939 DOI: 10.3390/ijerph18168697] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/12/2021] [Accepted: 08/16/2021] [Indexed: 02/07/2023]
Abstract
Environmental or occupational exposure to pesticides is considered one of the main risk factors for the development of various diseases. Behind the development of pesticide-associated pathologies, there are both genetic and epigenetic alterations, where these latter are mainly represented by the alteration in the expression levels of microRNAs and by the change in the methylation status of the DNA. At present, no studies have comprehensively evaluated the genetic and epigenetic alterations induced by pesticides; therefore, the aim of the present study was to identify modifications in gene miRNA expression and DNA methylation useful for the prediction of pesticide exposure. For this purpose, an integrated analysis of gene expression, microRNA expression, and DNA methylation datasets obtained from the GEO DataSets database was performed to identify putative genes, microRNAs, and DNA methylation hotspots associated with pesticide exposure and responsible for the development of different diseases. In addition, DIANA-miRPath, STRING, and GO Panther prediction tools were used to establish the functional role of the putative biomarkers identified. The results obtained demonstrated that pesticides can modulate the expression levels of different genes and induce different epigenetic alterations in the expression levels of miRNAs and in the modulation of DNA methylation status.
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Affiliation(s)
- Federica Giambò
- CEMAD Digestive Disease Center, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, Università Cattolica del Sacro Cuore, 00168 Roma, Italy;
| | - Gian Marco Leone
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (G.M.L.); (G.G.); (R.R.); (A.C.)
| | - Giuseppe Gattuso
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (G.M.L.); (G.G.); (R.R.); (A.C.)
| | - Roberta Rizzo
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (G.M.L.); (G.G.); (R.R.); (A.C.)
| | - Alessia Cosentino
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (G.M.L.); (G.G.); (R.R.); (A.C.)
| | - Diana Cinà
- Health Management of the “Cannizzaro” Emergency Hospital of Catania, 95126 Catania, Italy;
- Clinical Pathology and Clinical Molecular Biology Unit, “Garibaldi Centro” Hospital, ARNAS Garibaldi, 95123 Catania, Italy
| | - Michele Teodoro
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125 Messina, Italy; (M.T.); (C.F.)
| | - Chiara Costa
- Clinical and Experimental Medicine Department, University of Messina, 98125 Messina, Italy;
| | - Aristides Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, 71003 Heraklion, Greece;
| | - Concettina Fenga
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125 Messina, Italy; (M.T.); (C.F.)
| | - Luca Falzone
- Epidemiology and Biostatistics Unit, National Cancer Institute-IRCCS ‘Fondazione G. Pascale’, 80131 Naples, Italy
- Correspondence: ; Tel.: +39-095-478-1278
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Dasgupta S, Dunham CL, Truong L, Simonich MT, Sullivan CM, Tanguay RL. Phenotypically Anchored mRNA and miRNA Expression Profiling in Zebrafish Reveals Flame Retardant Chemical Toxicity Networks. Front Cell Dev Biol 2021; 9:663032. [PMID: 33898466 PMCID: PMC8063052 DOI: 10.3389/fcell.2021.663032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/03/2021] [Indexed: 01/24/2023] Open
Abstract
The ubiquitous use of flame retardant chemicals (FRCs) in the manufacture of many consumer products leads to inevitable environmental releases and human exposures. Studying toxic effects of FRCs as a group is challenging since they widely differ in physicochemical properties. We previously used zebrafish as a model to screen 61 representative FRCs and showed that many induced behavioral and teratogenic effects, with aryl phosphates identified as the most active. In this study, we selected 10 FRCs belonging to diverse physicochemical classes and zebrafish toxicity profiles to identify the gene expression responses following exposures. For each FRC, we executed paired mRNA-micro-RNA (miR) sequencing, which enabled us to study mRNA expression patterns and investigate the role of miRs as posttranscriptional regulators of gene expression. We found widespread disruption of mRNA and miR expression across several FRCs. Neurodevelopment was a key disrupted biological process across multiple FRCs and was corroborated by behavioral deficits. Several mRNAs (e.g., osbpl2a) and miRs (e.g., mir-125b-5p), showed differential expression common to multiple FRCs (10 and 7 respectively). These common miRs were also predicted to regulate a network of differentially expressed genes with diverse functions, including apoptosis, neurodevelopment, lipid regulation and inflammation. Commonly disrupted transcription factors (TFs) such as retinoic acid receptor, retinoid X receptor, and vitamin D regulator were predicted to regulate a wide network of differentially expressed mRNAs across a majority of the FRCs. Many of the differential mRNA-TF and mRNA-miR pairs were predicted to play important roles in development as well as cancer signaling. Specific comparisons between TBBPA and its derivative TBBPA-DBPE showed contrasting gene expression patterns that corroborated with their phenotypic profiles. The newer generation FRCs such as IPP and TCEP produced distinct gene expression changes compared to the legacy FRC BDE-47. Our study is the first to establish a mRNA-miR-TF regulatory network across a large group of structurally diverse FRCs and diverse phenotypic responses. The purpose was to discover common and unique biological targets that will help us understand mechanisms of action for these important chemicals and establish this approach as an important tool for better understanding toxic effects of environmental contaminants.
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Affiliation(s)
- Subham Dasgupta
- The Sinnhuber Aquatic Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, United States
| | - Cheryl L. Dunham
- The Sinnhuber Aquatic Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, United States
| | - Lisa Truong
- The Sinnhuber Aquatic Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, United States
| | - Michael T. Simonich
- The Sinnhuber Aquatic Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, United States
| | - Christopher M. Sullivan
- Center for Genome Research and Computing, Oregon State University, Corvallis, OR, United States
| | - Robyn L. Tanguay
- The Sinnhuber Aquatic Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, United States
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Martini GDA, Montagner CC, Viveiros W, Quinaglia GA, França DD, Munin NCG, Lopes-Ferreira M, Rogero SO, Rogero JR. Emerging contaminant occurrence and toxic effects on zebrafish embryos to assess the adverse effects caused by mixtures of substances in the environment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:20313-20329. [PMID: 33405144 DOI: 10.1007/s11356-020-11963-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: 09/28/2020] [Accepted: 12/02/2020] [Indexed: 06/12/2023]
Abstract
The contaminants of emerging concern (CECs) have been receiving global attention due to their worldwide presence in water bodies. The CECs could be originated from synthetic or natural sources, and they are not commonly monitored, although these substances are continuously reaching the aquatic environment. The main goal of this study was to determine the occurrence of some target CECs in São Paulo state surface water, once there is practically no information on the presence and concentration range of these substances at the studied sites. In addition, the present study aimed to assess adverse effects in the non-target fish embryo of Danio rerio (zebrafish) after exposure to surface water organic extract samples during 96 h using FET test. The CECs in surface water samples were determined by solid-phase extraction and liquid chromatography coupled by mass spectrometry. A 2-year study was assessed in 7 rivers and 3 reservoirs at São Paulo state, where 25 of the 30 analyzed substances were quantified, being caffeine the substance with the highest concentration range (5.5 ng L-1 to 69 μg L-1) and detected in 95% of analyzed samples, followed by bisphenol A (6.5-1300 ng L-1) and carbendazim (4.7-285 ng L-1), found in 50% and 85% of the analyzed samples, respectively. The chemical analysis and biological test were not performed in order to show a direct relationship between concentrations and observed effects on embryos; however, the combined approach can provide a better understanding of the adverse effects caused by mixtures of substances at relevant environmental concentrations. Regarding the adverse effects, it was observed that in the samples from sites with higher anthropogenic activity in the surroundings, there was also a higher mortality rate in organisms. At the Ribeirão Pires River and Sapucaí-Guaçu River, the mortality rate during the 2-year study was 21.6% and 9.3%, respectively. The morphological abnormality rates were higher at Ribeirão Grande (21.4%) and Ribeirão Pires (29.5%) Rivers. The obtained results aim to show that even in low concentrations (ng-μg L-1) the CECs can cause adverse effects on non-target species, and because of that, new chemical indicators would be important to monitor the water quality and protect the aquatic biota.
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Affiliation(s)
- Gisela de Assis Martini
- Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares, São Paulo, Brazil.
| | | | | | | | | | - Nívea Cristina Guedes Munin
- Instituto de Química, Universidade Estadual de Campinas, São Paulo, Brazil
- Universidade Federal do Amazonas, Manaus, Brazil
| | | | - Sizue Ota Rogero
- Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares, São Paulo, Brazil
| | - José Roberto Rogero
- Centro de Química e Meio Ambiente, Instituto de Pesquisas Energéticas e Nucleares, São Paulo, Brazil
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Goyal N, Bulasara VK, Li G, Liu L. Rapid uptake of atrazine from aqueous phase by thermally activated MCM-41. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 753:142091. [PMID: 33207434 DOI: 10.1016/j.scitotenv.2020.142091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 08/27/2020] [Accepted: 08/28/2020] [Indexed: 06/11/2023]
Abstract
This study was designed to prepare an adsorbent without any complex modification process for the removal of atrazine (AZN) from aqueous phase. Thus, Mobil composition of matter No. 41 (MCM-41) was synthesized and modified by physical activation at high temperature (650 °C). The synthesized adsorbent was tested by XRD, SEM, EDX, FT-IR and BET to confirm the successful synthesis as well as effectiveness for the adsorption of AZN. The average particle size of prepared material was found to be about 500 nm, while the BET calculations showed that adsorbent was porous with a specific surface area of 25.9 m2/g. Later, it was used in batch removal studies of AZN for which, it showed a high adsorption capacity of 89.99 (mg/g). The pH of 6, temperature of 313 K was found to be the optimized conditions for the maximum removal of AZN. Of the four kinetic models studied, the pseudo-first-order yielded a superior fit in comparison with the other three models. The results indicated that the five linearized adsorption equilibrium isotherm models (Langmuir, Freundlich, Dubinin-Radushkevich, Temkin and Harkins-Jura models) closely correlate the AZN adsorption removal process with Pearson correlation coefficient (R2) values of 0.9955, 0.8551, 0.8736, 0.8913 and 0.7253, respectively. The energy functions obtained by thermodynamic analysis suggested that the AZN sorption follows a non-spontaneous and endothermic path.
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Affiliation(s)
- Nitin Goyal
- State Environmental Protection Key Laboratory of Eco-Industry, Northeastern University, Shenyang 110819, China
| | - Vijaya Kumar Bulasara
- Department of Chemical Engineering, Maulana Azad National Institute of Technology, Bhopal 462003, Madhya Pradesh, India.
| | - Gang Li
- State Environmental Protection Key Laboratory of Eco-Industry, Northeastern University, Shenyang 110819, China; Department of Chemical Engineering, The University of Melbourne, Melbourne, Victoria 3010, Australia.
| | - Liying Liu
- State Environmental Protection Key Laboratory of Eco-Industry, Northeastern University, Shenyang 110819, China
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24
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Embryonic atrazine exposure and later in life behavioral and brain transcriptomic, epigenetic, and pathological alterations in adult male zebrafish. Cell Biol Toxicol 2020; 37:421-439. [PMID: 32737625 DOI: 10.1007/s10565-020-09548-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/21/2020] [Indexed: 12/20/2022]
Abstract
Atrazine (ATZ), a commonly used pesticide linked to endocrine disruption, cancer, and altered neurochemistry, frequently contaminates water sources at levels above the US Environmental Protection Agency's 3 parts per billion (ppb; μg/L) maximum contaminant level. Adult male zebrafish behavior, brain transcriptome, brain methylation status, and neuropathology were examined to test the hypothesis that embryonic ATZ exposure causes delayed neurotoxicity, according to the developmental origins of health and disease paradigm. Zebrafish (Danio rerio) embryos were exposed to 0 ppb, 0.3 ppb, 3 ppb, or 30 ppb ATZ during embryogenesis (1-72 h post fertilization (hpf)), then rinsed and raised to maturity. At 9 months post fertilization (mpf), males had decreased locomotor parameters during a battery of behavioral tests. Transcriptomic analysis identified altered gene expression in organismal development, cancer, and nervous and reproductive system development and function pathways and networks. The brain was evaluated histopathologically for morphometric differences, and decreased numbers of cells were identified in raphe populations. Global methylation levels were evaluated at 12 mpf, and the body length, body weight, and brain weight were measured at 14 mpf to evaluate effects of ATZ on mature brain size. No significant difference in genome methylation or brain size was observed. The results demonstrate that developmental exposure to ATZ does affect neurodevelopment and neural function in adult male zebrafish and raises concern for possible health effects in humans due to ATZ's environmental presence and persistence. Graphical abstract.
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The effects of atrazine on the microbiome of the eastern oyster: Crassostrea virginica. Sci Rep 2020; 10:11088. [PMID: 32632188 PMCID: PMC7338443 DOI: 10.1038/s41598-020-67851-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 05/26/2020] [Indexed: 12/11/2022] Open
Abstract
Long-standing evidence supports the importance of maintaining healthy populations of microbiota for the survival, homeostasis, and complete development of marine mollusks. However, the long-term ecological effects of agricultural runoff on these populations remains largely unknown. Atrazine (6-Chloro-n-ethyl-n'-(1-methylethyl)-triazine-2,4-diamine), a prevalent herbicide in the United States, is often used along tributaries of the Chesapeake Bay where oyster breeding programs are concentrated. To investigate any potential effects atrazine maybe having on mollusk-prokaryote interactions, we used 16S rRNA gene amplicons to evaluate how microbial compositions shift in response to exposure of environmentally relevant concentrations of atrazine previously found within the Chesapeake Bay. The dominant bacterial genera found within all groups included those belonging to Pseudoalteromonas, Burkholderia, Bacteroides, Lactobacillis, Acetobacter, Allobaculum, Ruminococcus, and Nocardia. Our results support previously published findings of a possible core microbial community in Crassostrea virginica. We also report a novel finding: oysters exposed to atrazine concentrations as low as 3 µg/L saw a significant loss of a key mutualistic microbial species and a subsequent colonization of a pathogenic bacteria Nocardia. We conclude that exposure to atrazine in the Chesapeake Bay may be contributing to a significant shift in the microbiomes of juvenile oysters that reduces fitness and impedes natural and artificial repopulation of the oyster species within the Bay.
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26
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Tran CM, Kim KT. miR-137 and miR-141 regulate tail defects in zebrafish embryos caused by triphenyl phosphate (TPHP). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 262:114286. [PMID: 32443217 DOI: 10.1016/j.envpol.2020.114286] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 01/23/2020] [Accepted: 02/27/2020] [Indexed: 06/11/2023]
Abstract
Exposure to triphenyl phosphate (TPHP), an organophosphate flame retardants (OPFRs), caused developmental toxicity in zebrafish embryos. However, the underlying molecular mechanism at the epigenetic level is largely unknown. Based on developmental toxicity (i.e., mortality and malformation), we measured expression levels of mRNA genes and their targeted miRNA in zebrafish embryos exposed to TPHP. As a result, TPHP caused developmental delay beginning at the 17-somite stage linking to detrimental effects in the tail and even embryonic mortality. Abnormal tail development was found to be associated with down-regulation of mmp9 and sox9b in both qRT-PCR and whole in-situ hybridization analysis. Also, we identified two microRNAs (i.e., miR-137 and miR-141) and observed their differential over-expression in TPHP-exposed zebrafish embryos. In the microinjection of miR-137 and miR-141 inhibitors, the reduced expression of mmp9 and sox9b upon TPHP exposure was compensated, indicating that epigenetic deregulation of miRNAs modulated putative genes involved in phenotypic tail defects triggered by TPHP in developing zebrafish embryos. This study provides insight for future mechanistic research using teleost fish on function of miRNAs in environmental toxicology.
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Affiliation(s)
- Cong M Tran
- Department of Energy and Environmental Engineering, Republic of Korea; Department of Environmental Engineering, Seoul National University of Sciences and Technology, Seoul, 01811, Republic of Korea
| | - Ki-Tae Kim
- Department of Energy and Environmental Engineering, Republic of Korea; Department of Environmental Engineering, Seoul National University of Sciences and Technology, Seoul, 01811, Republic of Korea.
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27
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Costa C, Teodoro M, Rugolo CA, Alibrando C, Giambò F, Briguglio G, Fenga C. MicroRNAs alteration as early biomarkers for cancer and neurodegenerative diseases: New challenges in pesticides exposure. Toxicol Rep 2020; 7:759-767. [PMID: 32612936 PMCID: PMC7322123 DOI: 10.1016/j.toxrep.2020.05.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 05/08/2020] [Accepted: 05/18/2020] [Indexed: 12/13/2022] Open
Abstract
Current knowledge linking pesticide exposure, cancer and neuro-degenerative diseases to dysregulation of microRNA network was summarized. Literature indicates differential miRNA expression targeting biomolecules and pathways involved in cancer and neurodegenerative diseases. Evaluation of miRNA expression may be used to develop new non-invasive strategies for the prediction and prognosis of diseases including cancer. The application of miRNAs as diagnostic and therapeutic biomarkers in the clinical field is extremely challenging.
This review summarizes the current knowledge linking cancer and neuro-degenerative diseases to dysregulation of microRNA network following pesticide exposure. Most findings revealed differential miRNA expression targeting biomolecules and pathways involved in various neoplastic localizations and neurodegenerative diseases. A growing body of evidence in recent literature indicates that alteration of specific miRNAs can represent an early biomarker of disease following exposure to chemical agents, including pesticides. Different miRNAs seem to regulate cell proliferation, apoptosis, migration, invasion, and metastasis via many biological pathways through modulation of the expression of target mRNAs. The evaluation of miRNA expression levels may be used to develop new non-invasive strategies for the prediction and prognosis of many diseases, including cancer. However, the application of miRNAs as diagnostic and therapeutic biomarkers in the clinical field is extremely challenging.
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Affiliation(s)
- Chiara Costa
- Clinical and Experimental Medicine Department, University of Messina, Messina 98125, Italy
| | - Michele Teodoro
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125, Messina, Italy
| | - Carmela Alessandra Rugolo
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125, Messina, Italy
| | - Carmela Alibrando
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125, Messina, Italy
| | - Federica Giambò
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125, Messina, Italy
| | - Giusi Briguglio
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125, Messina, Italy
| | - Concettina Fenga
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125, Messina, Italy
- Corresponding author at: Department of Biomedical and Dental Sciences and Morpho-functional Imaging, Occupational Medicine Section, University of Messina, Policlinico Universitario “G. Martino” – pad. H, Via Consolare Valeria 1, 98125, Messina, Italy.
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28
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Balasubramanian S, Gunasekaran K, Sasidharan S, Jeyamanickavel Mathan V, Perumal E. MicroRNAs and Xenobiotic Toxicity: An Overview. Toxicol Rep 2020; 7:583-595. [PMID: 32426239 PMCID: PMC7225592 DOI: 10.1016/j.toxrep.2020.04.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/13/2020] [Accepted: 04/19/2020] [Indexed: 12/27/2022] Open
Abstract
miRNAs are key regulators of gene expression at both transcription and translation. The role of miRNAs in xenobiotic toxicity and its potential as biomarkers are being explored. In spite of numerous studies, the complex mechanism of miRNA biogenesis and its regulation remains unclear.
The advent of new technologies has paved the rise of various chemicals that are being employed in industrial as well as consumer products. This leads to the accumulation of these xenobiotic compounds in the environment where they pose a serious threat to both target and non-target species. miRNAs are one of the key epigenetic mechanisms that have been associated with toxicity by modulating the gene expression post-transcriptionally. Here, we provide a comprehensive view on miRNA biogenesis, their mechanism of action and, their possible role in xenobiotic toxicity. Further, we review the recent in vitro and in vivo studies involved in xenobiotic exposure induced miRNA alterations and the mRNA-miRNA interactions. Finally, we address the challenges associated with the miRNAs in toxicological studies.
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Key Words
- ADAMTS9, A disintegrin and metalloproteinase with thrombospondin motifs 9
- AHR, Aryl Hydrocarbon Receptor
- AMPK, Adenosine Monophosphate-activated protein kinase
- ARRB1, Arrestin beta 1
- Ag, Silver
- Al2O3, Aluminium oxide
- Au, Gold
- Aβ, Amyloid Beta
- BCB, Blood-cerebrospinal fluid barrier
- BNIP3−3, BCL2/adenovirus E1B 19 kDa protein-interacting protein 3
- BaP, Benzo[a]pyrene
- Biomarkers
- CCNB1, Cyclin B1
- CDC25A, M-phase inducer phosphatase 1
- CDC25C, M-phase inducer phosphatase 3
- CDK, Cyclin-dependent Kinase
- CDK1, Cyclin-dependent kinase 1
- CDK6, Cyclin-dependent kinase 6
- CDKN1b, Cyclin-dependent kinase Inhibitor 1B
- CEC, Contaminants of Emerging Concern
- COPD, Chronic obstructive pulmonary disease
- COX2, Cyclooxygenase-2
- CTGF, Connective Tissue Growth Factor
- DGCR8, DiGeorge syndrome chromosomal [or critical] region 8
- DNA, Deoxy ribonucleic acid
- DON, Deoxynivalenol
- ER, Endoplasmic Reticulum
- Environment
- Epigenetics
- Fadd, Fas-associated protein with death domain
- GTP, Guanosine triphosphate
- Gene regulation
- Grp78/BIP, Binding immunoglobulin protein
- HSPA1A, Heat shock 70 kDa protein 1
- Hpf, Hours post fertilization
- IL-6, Interleukin 6
- IL1R1, Interleukin 1 receptor, type 1
- LIN28B, Lin-28 homolog B
- LRP-1-, Low density lipoprotein receptor-related protein 1
- MAPK, Mitogen Activated Protein Kinase
- MC-LR, Microcystin-Leucine Arginine
- MC-RR, Microcystin-Arginine Arginine
- MRE, MicroRNA Response Elements
- Mn, Manganese
- NASH, Non-alcoholic steatohepatitis
- NET1, Neuroepithelial Cell Transforming 1
- NF- ҡB, Nuclear Factor kappa-light-chain-enhancer of activated B cells
- NFKBAP, NFKB Activating protein-1
- NMDAR, N-methyl-d-aspartate receptor
- NPs, Nanoparticles
- Non-coding RNAs
- Nrf2, Nuclear factor erythroid 2-related factor 2
- PDCD4, Programmed cell death protein 4
- PFAS, Poly-fluoroalkyl substances
- PM2.5, Particulate Matter2.5
- RISC, RNA-induced silencing complex
- RNA, Ribonucleic acid
- RNAi, RNA interference
- RNase III, Ribonuclease III
- SEMA6D, Semaphorin-6D
- SOLiD, Sequencing by Oligonucleotide Ligation and Detection
- SPIONs, Superparamagnetic Iron Oxide Nanoparticles
- SiO2, Silicon dioxide
- TCDD, 2,3,7,8-Tetrachlorodibenzodioxin
- TNF-α, Tumor necrosis factor – alpha
- TP53, Tumor protein 53
- TRBP, Transactivation Response RNA Binding Protein
- Toxicity
- UTR, Untranslated region
- WHO, World Health Organization
- Wnt, Wingless-related integration site
- ZEA, Zearalanone
- Zn, Zinc
- bcl2l11, B-cell lymphoma-2-like protein 11
- ceRNA, Competing endogenous RNA
- lncRNAs, Long non-coding RNA
- mRNA, Messenger RNA
- miRNA, MicroRNA
- qRT-PCR, quantitative Real Time-Polymerase Chain Reaction
- ripk 1, Receptor-interacting serine/threonine-protein kinase 1
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Lamb SD, Chia JHZ, Johnson SL. Paternal exposure to a common herbicide alters the behavior and serotonergic system of zebrafish offspring. PLoS One 2020; 15:e0228357. [PMID: 32275662 PMCID: PMC7147785 DOI: 10.1371/journal.pone.0228357] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 01/13/2020] [Indexed: 12/18/2022] Open
Abstract
Increasingly, studies are revealing that endocrine disrupting chemicals (EDCs) can alter animal behavior. Early life exposure to EDCs may permanently alter phenotypes through to adulthood. In addition, the effects of EDCs may not be isolated to a single generation − offspring may indirectly be impacted, via non-genetic processes. Here, we analyzed the effects of paternal atrazine exposure on behavioral traits (distance moved, exploration, bottom-dwelling time, latency to enter the top zone, and interaction with a mirror) and whole-brain mRNA of genes involved in the serotonergic system regulation (slc6a4a, slc6a4b, htr1Aa, htr1B, htr2B) of zebrafish (Danio rerio). F0 male zebraFIsh were exposed to atrazine at 0.3, 3 or 30 part per billion (ppb) during early juvenile development, the behavior of F1 progeny was tested at adulthood, and the effect of 0.3 ppb atrazine treatment on mRNA transcription was quantified. Paternal exposure to atrazine significantly reduced interactions with a mirror (a proxy for aggression) and altered the latency to enter the top zone of a tank in unexposed F1 offspring. Bottom-dwelling time (a proxy for anxiety) also appeared to be somewhat affected, and activity (distance moved) was reduced in the context of aggression. slc6a4a and htr1Aa mRNA transcript levels were found to correlate positively with anxiety levels in controls, but we found that this relationship was disrupted in the 0.3 ppb atrazine treatment group. Overall, paternal atrazine exposure resulted in alterations across a variety of behavioral traits and showed signs of serotonergic system dysregulation, demonstrating intergenerational effects. Further research is needed to explore transgenerational effects on behavior and possible mechanisms underpinning behavioral effects.
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Affiliation(s)
- Simon D. Lamb
- Department of Zoology, University of Otago, Dunedin, Otago, New Zealand
- * E-mail: (SDL); (SLJ)
| | - Jolyn H. Z. Chia
- Department of Zoology, University of Otago, Dunedin, Otago, New Zealand
| | - Sheri L. Johnson
- Department of Zoology, University of Otago, Dunedin, Otago, New Zealand
- * E-mail: (SDL); (SLJ)
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30
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Ahkin Chin Tai JK, Freeman JL. Zebrafish as an integrative vertebrate model to identify miRNA mechanisms regulating toxicity. Toxicol Rep 2020; 7:559-570. [PMID: 32373477 PMCID: PMC7195498 DOI: 10.1016/j.toxrep.2020.03.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/22/2020] [Accepted: 03/24/2020] [Indexed: 12/12/2022] Open
Abstract
Zebrafish are an established vertebrate model for toxicity studies. Zebrafish have a fully sequenced genome and the capability to create genetic models. Zebrafish have over 80 % homology for genes related to human disease. Functions of miRNAs in the zebrafish genome are being characterized. Zebrafish are ideal for mechanistic studies on how miRNAs regulate toxicity.
Zebrafish (Danio rerio) are an integrative vertebrate model ideal for toxicity studies. The zebrafish genome is sequenced with detailed characterization of all life stages. With their genetic similarity to humans, zebrafish models are established to study biological processes including development and disease mechanisms for translation to human health. The zebrafish genome, similar to other eukaryotic organisms, contains microRNAs (miRNAs) which function along with other epigenetic mechanisms to regulate gene expression. Studies have now established that exposure to toxins and xenobiotics can change miRNA expression profiles resulting in various physiological and behavioral alterations. In this review, we cover the intersection of miRNA alterations from toxin or xenobiotic exposure with a focus on studies using the zebrafish model system to identify miRNA mechanisms regulating toxicity. Studies to date have addressed exposures to toxins, particulate matter and nanoparticles, various environmental contaminants including pesticides, ethanol, and pharmaceuticals. Current limitations of the completed studies and future directions for this research area are discussed.
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Affiliation(s)
| | - Jennifer L Freeman
- School of Health Sciences, Purdue University, West Lafayette, IN 47907 USA
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31
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Warner GR, Mourikes VE, Neff AM, Brehm E, Flaws JA. Mechanisms of action of agrochemicals acting as endocrine disrupting chemicals. Mol Cell Endocrinol 2020; 502:110680. [PMID: 31838026 PMCID: PMC6942667 DOI: 10.1016/j.mce.2019.110680] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/06/2019] [Accepted: 12/10/2019] [Indexed: 02/07/2023]
Abstract
Agrochemicals represent a significant class of endocrine disrupting chemicals that humans and animals around the world are exposed to constantly. Agrochemicals can act as endocrine disrupting chemicals through a variety of mechanisms. Recent studies have shown that several mechanisms of action involve the ability of agrochemicals to mimic the interaction of endogenous hormones with nuclear receptors such as estrogen receptors, androgen receptors, peroxisome proliferator activated receptors, the aryl hydrocarbon receptor, and thyroid hormone receptors. Further, studies indicate that agrochemicals can exert toxicity through non-nuclear receptor-mediated mechanisms of action. Such non-genomic mechanisms of action include interference with peptide, steroid, or amino acid hormone response, synthesis and degradation as well as epigenetic changes (DNA methylation and histone modifications). This review summarizes the major mechanisms of action by which agrochemicals target the endocrine system.
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Affiliation(s)
- Genoa R Warner
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Vasiliki E Mourikes
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Alison M Neff
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Emily Brehm
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, 61802, IL, United States.
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de Albuquerque FP, de Oliveira JL, Moschini-Carlos V, Fraceto LF. An overview of the potential impacts of atrazine in aquatic environments: Perspectives for tailored solutions based on nanotechnology. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 700:134868. [PMID: 31706089 DOI: 10.1016/j.scitotenv.2019.134868] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/28/2019] [Accepted: 10/05/2019] [Indexed: 06/10/2023]
Abstract
Atrazine is a pre- and post-emergence herbicide used to control weeds in many crops. It was introduced in the late 1950s, but its use has been controversial because of its high potential for environmental contamination. In agriculture, the implementation of sustainable practices can help in reducing the adverse effects atrazine. This review addresses aspects related to the impacts of atrazine in the environment, with focus on its effects on aquatic species, as well as the potential use of nanoencapsulation to decrease the impacts of atrazine. The application of atrazine leads to its dispersal beyond the immediate area, with possible contamination of soils, sediments, plantations, pastures, public supply reservoirs, groundwater, streams, lakes, rivers, seas, and even glaciers. In aquatic ecosystems, atrazine can alter the biota, consequently interfering in the food chains of many species, including benthic organisms. Nanoformulations loaded with atrazine have been developed as a way to reduce the adverse impacts of this herbicide in aquatic and terrestrial ecosystems. Ecotoxicological bioassays have shown that this nanoformulations can improve the targeted delivery of the active ingredient, resulting in decreased dosages to obtain the same effects as conventional formulations. However, more detailed analyses of the ecotoxicological potential of atrazine-based nanoherbicides need to be performed with representative species of different ecosystems.
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Affiliation(s)
- Felícia Pereira de Albuquerque
- São Paulo State University (UNESP), Institute of Science and Technology of Sorocaba, Av. Três de março, 511, Alto da Boa Vista, 18087-180 Sorocaba, Brazil.
| | - Jhones Luiz de Oliveira
- São Paulo State University (UNESP), Institute of Science and Technology of Sorocaba, Av. Três de março, 511, Alto da Boa Vista, 18087-180 Sorocaba, Brazil
| | - Viviane Moschini-Carlos
- São Paulo State University (UNESP), Institute of Science and Technology of Sorocaba, Av. Três de março, 511, Alto da Boa Vista, 18087-180 Sorocaba, Brazil
| | - Leonardo Fernandes Fraceto
- São Paulo State University (UNESP), Institute of Science and Technology of Sorocaba, Av. Três de março, 511, Alto da Boa Vista, 18087-180 Sorocaba, Brazil.
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Hanson ML, Solomon KR, Van Der Kraak GJ, Brian RA. Effects of atrazine on fish, amphibians, and reptiles: update of the analysis based on quantitative weight of evidence. Crit Rev Toxicol 2020; 49:670-709. [DOI: 10.1080/10408444.2019.1701985] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Mark L. Hanson
- Department of Environment and Geography, University of Manitoba, Winnipeg, MB, Canada
| | - Keith R. Solomon
- School of Environmental Sciences, University of Guelph, Guelph, ON, Canada
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López-Pacheco IY, Silva-Núñez A, Salinas-Salazar C, Arévalo-Gallegos A, Lizarazo-Holguin LA, Barceló D, Iqbal HMN, Parra-Saldívar R. Anthropogenic contaminants of high concern: Existence in water resources and their adverse effects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 690:1068-1088. [PMID: 31470472 DOI: 10.1016/j.scitotenv.2019.07.052] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 07/02/2019] [Accepted: 07/03/2019] [Indexed: 02/05/2023]
Abstract
Existence of anthropogenic contaminants (ACs) in different environmental matrices is a serious and unresolved concern. For instance, ACs from different sectors, such as industrial, agricultural, and pharmaceutical, are found in water bodies with considerable endocrine disruptors potency and can damage the biotic components of the environment. The continuous ACs exposure can cause cellular toxicity, apoptosis, genotoxicity, and alterations in sex ratios in human beings. Whereas, aquatic organisms show bioaccumulation, trophic chains, and biomagnification of ACs through different entry route. These problems have been found in many countries around the globe, making them a worldwide concern. ACs have been found in different environmental matrices, such as water reservoirs for human consumption, wastewater treatment plants (WWTPs), drinking water treatment plants (DWTPs), groundwaters, surface waters, rivers, and seas, which demonstrate their free movement within the environment in an uncontrolled manner. This work provides a detailed overview of ACs occurrence in water bodies along with their toxicological effect on living organisms. The literature data reported between 2017 and 2018 is compiled following inclusion-exclusion criteria, and the obtained information was mapped as per type and source of ACs. The most important ACs are pharmaceuticals (diclofenac, ibuprofen, naproxen, ofloxacin, acetaminophen, progesterone ranitidine, and testosterone), agricultural products or pesticides (atrazine, carbendazim, fipronil), narcotics and illegal drugs (amphetamines, cocaine, and benzoylecgonine), food industry derivatives (bisphenol A, and caffeine), and personal care products (triclosan, and other related surfactants). Considering this threatening issue, robust detection and removal strategies must be considered in the design of WWTPs and DWTPs.
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Affiliation(s)
- Itzel Y López-Pacheco
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, CP 64849 Monterrey, N.L., Mexico
| | - Arisbe Silva-Núñez
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, CP 64849 Monterrey, N.L., Mexico
| | - Carmen Salinas-Salazar
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, CP 64849 Monterrey, N.L., Mexico
| | - Alejandra Arévalo-Gallegos
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, CP 64849 Monterrey, N.L., Mexico
| | - Laura A Lizarazo-Holguin
- Universidad de Antioquia, School of Microbiology, Cl. 67 #53 - 108, Medellín, Antioquia, Colombia
| | - Damiá Barceló
- Department of Environmental Chemistry, IDAEA-CSIC, Jordi Girona 18-26, Barcelona 08034, Spain; ICRA, Catalan Institute for Water Research, University of Girona, Emili Grahit 101, Girona 17003, Spain; Botany and Microbiology Department, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, CP 64849 Monterrey, N.L., Mexico.
| | - Roberto Parra-Saldívar
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, CP 64849 Monterrey, N.L., Mexico.
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Bibi S, Khan S, Taimur N, Daud MK, Azizullah A. Responses of morphological, physiological, and biochemical characteristics of maize (Zea mays L.) seedlings to atrazine stress. ENVIRONMENTAL MONITORING AND ASSESSMENT 2019; 191:717. [PMID: 31686234 DOI: 10.1007/s10661-019-7867-4] [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: 03/16/2019] [Accepted: 10/01/2019] [Indexed: 06/10/2023]
Abstract
Atrazine is a synthetic herbicide applied to control broadleaf weeds in different crops. In many parts of the world, atrazine is mainly applied for controlling weeds in maize fields. However, studies on the possible adverse effects of atrazine on maize crop can hardly be found in literature. The present study was therefore conducted to evaluate the effect of atrazine on different characteristics of maize seedlings including germination, growth, chlorophyll contents, soluble sugars, proteins and proline levels, ions accumulation, cell viability, and cell injury. In addition, the effects of atrazine on reactive oxygen species (ROS) accumulation and antioxidant enzymes activities in maize seedlings were estimated. It was found that at high concentration, atrazine slightly but significantly inhibited seed germination and growth of maize seedlings. Light-harvesting pigments (chlorophylls a and b, and total carotenoids) exhibited a higher sensitivity to atrazine and were negatively impacted by atrazine at doses above 50 ppm. Atrazine caused an increase in soluble sugars at all tested doses and decrease in soluble proteins at the highest tested dose. Exposure of maize seedlings to atrazine resulted in an increased cell injury and decreased cell viability. Atrazine did not affect the concentration of Na+, K+, and Ca2+ ions in maize seedlings to any greater extent; however, some minor changes were observed in some cases. An increase in the stress marker, proline, was found upon exposure to atrazine. The observed effects of atrazine in maize seedlings can be attributed to oxidative stress as revealed by an increase in H2O2 content and higher activities of peroxidase (POD), superoxide dismutase (SOD), and catalase (CAT) enzymes in atrazine-treated seedlings. The present investigation concludes that atrazine has the potential to adversely affect germination and growth of maize seedlings by inducing oxidative stress that causes increased cell injury and decreased cell viability as well as impairs the concentration of light-harvesting pigments.
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Affiliation(s)
- Shagufta Bibi
- Department of Botanical and Environmental Sciences, Kohat University of Science and Technology, Kohat, 26000, Pakistan
| | - Sarzamin Khan
- Department of Chemistry, University of Swabi, Anbar, Pakistan
| | - Nadia Taimur
- Department of Botanical and Environmental Sciences, Kohat University of Science and Technology, Kohat, 26000, Pakistan
| | - Muhammad K Daud
- Department of Biotechnology and Genetic Engineering, Kohat University of Science and Technology, Kohat, 26000, Pakistan
| | - Azizullah Azizullah
- Department of Botanical and Environmental Sciences, Kohat University of Science and Technology, Kohat, 26000, Pakistan.
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Cui Y, Yin K, Gong Y, Qu Y, Liu H, Lin H. Atrazine induces necroptosis by miR-181-5p targeting inflammation and glycometabolism in carp lymphocytes. FISH & SHELLFISH IMMUNOLOGY 2019; 94:730-738. [PMID: 31580934 DOI: 10.1016/j.fsi.2019.09.068] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 09/26/2019] [Accepted: 09/29/2019] [Indexed: 06/10/2023]
Abstract
Atrazine (ATR) causes environmental problems and damages the health of fish and aquatic animals. MicroRNAs (miRNAs) play important roles in immune regulation. However, the immunotoxicity mechanism of ATR in fish lymphocytes and the role of miRNA in this process remain unclear. To further study these mechanisms, spleen lymphocytes were exposed to 20, 40 and 60 μg/ml ATR for 18 h. Fluorescence staining and flow cytometry showed that the number of necrotic lymphocytes increased after ATR exposure. Compared with the control group, the mRNA expression of miR-181-5p was inhibited and the mRNA levels of TNF-α and HK2 were increased after ATR exposure. Additionally, the NF-κB inflammatory pathway and the levels of glycometabolism-related genes were upregulated. These results suggest that ATR induces inflammation and elevates glycometabolism in lymphocytes. We further found that the mRNA levels of receptor-interacting serine-threonine kinase 1 (RIP1), receptor-interacting serine-threonine kinase 3 (RIP3), mixed lineage kinase domain-like pseudokinase (MLKL), cylindromatosis (CYLD) and Fas-Associated protein with Death Domain (FADD) and the protein levels of RIP3 and MLKL in the treatment groups were significantly increased compared to those in control group, suggesting that ATR causes lymphocyte necroptosis. We conclude that miR-181-5p plays a key role in necroptosis in carp lymphocytes exposed to ATR by downregulating the expression of HK and TNF-α, which increases the level of glycometabolism and induces the inflammatory response, respectively.
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Affiliation(s)
- Yuan Cui
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Kai Yin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yingzheng Gong
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yingying Qu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Honggui Liu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Hongjin Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, PR China.
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Wang F, Yang QW, Zhao WJ, Du QY, Chang ZJ. Effects of short-time exposure to atrazine on miRNA expression profiles in the gonad of common carp (Cyprinus carpio). BMC Genomics 2019; 20:587. [PMID: 31315571 PMCID: PMC6636164 DOI: 10.1186/s12864-019-5896-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 06/11/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Atrazine is widely used in agriculture and is a known endocrine disrupting chemical. Atrazine can seep into the water body through surface, posing a potential threat to the aquatic ecological environment and human drinking water source. In vertebrate, studies have shown that it can affect reproduction and development seriously, but its molecular mechanism for aquatic animals is unknown. Aquaculture is very common in China, especially common carp, whose females grow faster than males. However, the effects of atrazine on the reproduction of carp, especially miRNA, have not been investigated. RESULTS In this study, common carp (Cyprinus carpio) at two key developmental stages were exposed to atrazine in vitro. Sex ratio was observed to analyze the effect of atrazine on the sex. MiRNA expression profiles were analysed to identify miRNAs related to gonad development and to reveal the atrazine mechanisms interfering with gonad differentiation. The results showed that the sex ratio was biased towards females. Atrazine exposure caused significant alteration of multiple miRNAs. Predicted targets of differently-expressed miRNAs were involved in many reproductive biology signalling pathways. CONCLUSIONS Our results indicate that atrazine promoted the expression of female-biased genes by decreasing miRNAs in primordial gonad. In addition, our results indicate that atrazine can up-regulate aromatase expression through miRNAs, which supports the hypothesis that atrazine has endocrine-disrupting activity by altering the gene expression profile of the Hypothalamus-Pituitary-Gonad axis through its corresponding miRNAs.
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Affiliation(s)
- Fang Wang
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Qian-Wen Yang
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Wen-Jie Zhao
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Qi-Yan Du
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Zhong-Jie Chang
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China.
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Jacquin L, Gandar A, Aguirre-Smith M, Perrault A, Hénaff ML, Jong LD, Paris-Palacios S, Laffaille P, Jean S. High temperature aggravates the effects of pesticides in goldfish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 172:255-264. [PMID: 30711860 DOI: 10.1016/j.ecoenv.2019.01.085] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 01/17/2019] [Accepted: 01/25/2019] [Indexed: 06/09/2023]
Abstract
In human-altered rivers, fish are often conjointly exposed to an increase in water temperature due to global warming and to a contamination by organic pollutants such as pesticides, but their combined effects are still elusive. Thermal and chemical stressors could potentially interact because high temperature increases metabolism and toxicant uptake, and can alter the ability of organisms to set up adequate stress responses and to maintain homeostasis. These combined stressors could thus potentially result in higher level of molecular and cellular damage, and stronger effects on behavior and physiology, but experimental evidence across biological levels is still scarce. In this study, goldfish Carassius auratus were experimentally exposed to an environmentally realistic cocktail of pesticides (S-metolachlor, isoproturon, linuron, atrazine-desethyl, aclonifen, pendimethalin and tebuconazol) commonly found in rivers of South-West of France at low or high dose in two different thermal conditions: a common summer temperature (22 °C) or a high temperature recorded during heat waves (32 °C). Results showed that high temperature alone caused behavioral and physiological changes (increased swimming activity, increased hepatosomatic index, decreased reproductive index) but limited cellular damage. However, high temperature aggravated the effects of pesticides at the molecular and cellular level. Indeed, pesticide exposure resulted in higher genotoxic effects (micronuclei rate) and irreversible cellular damage of the gills and liver (apoptosis, inflammation, necrosis) at 32 °C compared to 22 °C. This suggests potential synergistic effects of climate change and pollution, and highlights the need for multiple stress approaches to better predict the impacts of human activities on aquatic wildlife.
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Affiliation(s)
- L Jacquin
- Laboratoire Evolution & Diversité Biologique EDB, UMR 5174, Université de Toulouse, UPS, CNRS, IRD, Toulouse, France.
| | - A Gandar
- Laboratoire Ecolab, Université de Toulouse, UPS, CNRS, INPT, ENSAT, route de l'Agrobiopole, 31326 Castanet-Tolosan, France
| | - M Aguirre-Smith
- Laboratoire Evolution & Diversité Biologique EDB, UMR 5174, Université de Toulouse, UPS, CNRS, IRD, Toulouse, France; Laboratoire Ecolab, Université de Toulouse, UPS, CNRS, INPT, ENSAT, route de l'Agrobiopole, 31326 Castanet-Tolosan, France
| | - A Perrault
- Laboratoire Ecolab, Université de Toulouse, UPS, CNRS, INPT, ENSAT, route de l'Agrobiopole, 31326 Castanet-Tolosan, France
| | - M Le Hénaff
- Bordeaux Science Agro, 1 cours du Général De Gaulle, CS 40201, 33175 Gradignan, France
| | - L De Jong
- Aix Marseille Université, Avignon Université, CNRS, IRD, IMBE, 3 place Victor Hugo, 13331 Marseille, France
| | - S Paris-Palacios
- UMR-I02 SEBIO Unité Stress Environnementaux et BIOsurveillance des milieux aquatiques, Université de Reims Champagne-Ardenne, Faculté des Sciences, Campus du Moulin de la Housse, BP1039 51687 Reims cedex 2, France
| | - P Laffaille
- Laboratoire Ecolab, Université de Toulouse, UPS, CNRS, INPT, ENSAT, route de l'Agrobiopole, 31326 Castanet-Tolosan, France
| | - S Jean
- Laboratoire Ecolab, Université de Toulouse, UPS, CNRS, INPT, ENSAT, route de l'Agrobiopole, 31326 Castanet-Tolosan, France
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Wang F, Liu F, Chen W. Exposure to triclosan changes the expression of microRNA in male juvenile zebrafish (Danio rerio). CHEMOSPHERE 2019; 214:651-658. [PMID: 30292047 DOI: 10.1016/j.chemosphere.2018.09.163] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 09/26/2018] [Accepted: 09/28/2018] [Indexed: 05/23/2023]
Abstract
Triclosan (TCS) is a broad-spectrum antibacterial agent which is widely used in various personal care products and cosmetics. It has been found that TCS affects endocrine, immune, nervous, reproductive, and developmental system. Although microRNAs (miRNAs) act a pivotal part in lots of metabolic activities, whether and how they are related to the process of TCS-induced toxicity is unknown. In the present study, TCS induced changes in miRNAs and target gene expression in male zebrafish (Danio rerio) brain, and the potential mechanism was studied. Male juvenile zebrafish were exposed to 0 and 68 μg/L TCS for 42 d. miRNA was isolated from the brain pool of the zebrafish and the expression profiles of 255 known zebrafish miRNAs were analysed by using Affymetrix miRNA 4.0 microarrays. Quantitative real-time polymerase chain reaction (qRT-PCR) was used to assay the expression of 5 differentially expressed miRNAs in the microarray data and some related-genes in brains. The GO term analysis revealed that miRNAs significantly affected by TCS exposure were mainly involved in translation, transcription, DNA-templated, protein transport, and motor neuron axon guidance biological process. Pathway analysis showed that target genes of 5 differentially expressed miRNAs prominently participate in basal transcription factors, purine metabolism, and ribosome biogenesis in eukaryotes. In addition, key genes in purine metabolism pathway and oxidative stress related-genes were significantly changed. These findings offer novel insight into the mechanisms of epigenetic regulation in TCS-induced toxicity in male zebrafish, and distinguish novel miRNA biomarkers for exposure to TCS.
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Affiliation(s)
- Fan Wang
- School of Biological Science, Luoyang Normal University, Luoyang 471022, China; Cold Water Fish Breeding Engineering Technology Research Center of Henan Province, Luoyang 471022, China.
| | - Fei Liu
- School of Biological Science, Luoyang Normal University, Luoyang 471022, China; Cold Water Fish Breeding Engineering Technology Research Center of Henan Province, Luoyang 471022, China
| | - Wanguang Chen
- School of Biological Science, Luoyang Normal University, Luoyang 471022, China; Cold Water Fish Breeding Engineering Technology Research Center of Henan Province, Luoyang 471022, China
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Horzmann KA, Reidenbach LS, Thanki DH, Winchester AE, Qualizza BA, Ryan GA, Egan KE, Hedrick VE, Sobreira TJP, Peterson SM, Weber GJ, Wirbisky-Hershberger SE, Sepúlveda MS, Freeman JL. Embryonic atrazine exposure elicits proteomic, behavioral, and brain abnormalities with developmental time specific gene expression signatures. J Proteomics 2018; 186:71-82. [PMID: 30012420 PMCID: PMC6193558 DOI: 10.1016/j.jprot.2018.07.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/29/2018] [Accepted: 07/02/2018] [Indexed: 02/06/2023]
Abstract
Atrazine (ATZ), the second most commonly used herbicide in the United States, is an endocrine disrupting chemical linked to cancer and a common drinking water contaminant. This study further investigates ATZ-related developmental toxicity by testing the following hypotheses in zebrafish: the effects of embryonic ATZ exposure are dependent on timing of exposure; embryonic ATZ exposure alters brain development and function; and embryonic ATZ exposure changes protein abundance in carcinogenesis-related pathways. After exposing embryos to 0, 0.3, 3, or 30 parts per billion (ppb) ATZ, we monitored the expression of cytochrome P450 family 17 subfamily A member 1 (cyp17a1), glyoxalase I (glo1), ring finger protein 14 (rnf14), salt inducible kinase 2 (sik2), tetratricopeptide domain 3 (ttc3), and tumor protein D52 like 1 (tpd52l1) at multiple embryonic time points to determine normal expression and if ATZ exposure altered expression. Only cyp17a1 had normal dynamic expression, but ttc3 and tpd52l1 had ATZ-related expression changes before 72 h. Larvae exposed to 0.3 ppb ATZ had increased brain length, while larvae exposed to 30 ppb ATZ were hypoactive. Proteomic analysis identified altered protein abundance in pathways related to cellular function, neurodevelopment, and genital-tract cancer. The results indicate embryonic ATZ toxicity involves interactions of multiple pathways. SIGNIFICANCE This is the first report of proteomic alterations following embryonic exposure to atrazine, an environmentally persistent pesticide and common water contaminant. Although the transcriptomic alterations in larval zebrafish with embryonic atrazine exposure have been reported, neither the time at which gene expression changes occur nor the resulting proteomic changes have been investigated. This study seeks to address these knowledge gaps by evaluating atrazine's effect on gene expression through multiple time points during embryogenesis, and correlating changes in gene expression to pathological alterations in brain length and functional changes in behavior. Finally, pathway analysis of the proteomic alterations identifies connections between the molecular changes and functional outcomes associated with embryonic atrazine exposure.
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Affiliation(s)
- Katharine A Horzmann
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | - Leeah S Reidenbach
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | - Devang H Thanki
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | - Anna E Winchester
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | - Brad A Qualizza
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | - Geoffrey A Ryan
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | - Kaitlyn E Egan
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | - Victoria E Hedrick
- Bindley Bioscience Center, Discovery Park, Purdue University, West Lafayette, IN 47907, United States
| | - Tiago J P Sobreira
- Bindley Bioscience Center, Discovery Park, Purdue University, West Lafayette, IN 47907, United States
| | - Samuel M Peterson
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | - Gregory J Weber
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States
| | | | - Maria S Sepúlveda
- Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907, United States
| | - Jennifer L Freeman
- School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States; Purdue Center for Cancer Research, Purdue University, West Lafayette, IN 47907, United States.
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García-Espiñeira M, Tejeda-Benitez L, Olivero-Verbel J. Toxicity of atrazine- and glyphosate-based formulations on Caenorhabditis elegans. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 156:216-222. [PMID: 29550685 DOI: 10.1016/j.ecoenv.2018.02.075] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 02/04/2018] [Accepted: 02/28/2018] [Indexed: 06/08/2023]
Abstract
Atrazine and Glyphosate are herbicides massively used in agriculture for crop protection. Upon application, they are available to the biota in different ecosystems. The aim of this research was to evaluate the toxicity of Glyphosate and Atrazine based formulations (GBF and ABF, respectively). Caenorhabditis elegans was exposed to different concentrations of each single formulation, and to the mixture. Lethality, locomotion, growth, and fertility were measured as endpoints. Effects on gene expression were monitored utilizing green fluorescence protein transgenic strains. ABF caused lethality of 12%, 15%, and 18% for 6, 60, and 600 μM, respectively, displaying a dose dependence trend. GBF produced lethality of 20%, 50%, and 100% at 0.01, 10, and 100 μM, respectively. Locomotion inhibition ranged from 21% to 89% at the lowest and maximum tested concentrations for Atrazine; whereas for Glyphosate, exposure to 10 μM inhibited 87%. Brood size was decreased by 67% and 93% after treatment to 0.06 and 6 μM Atrazine, respectively; and by 23% and 93% after exposure to 0.01 and 10 μM Glyphosate, respectively. There were no significant differences in growth. Changes in gene expression occurred in all genes, highlighting the expression of sod-1, sod-4, and gpx-4 that increased more than two-fold after exposure to 600 μM ABF and 10 μM GBF. The effects observed for the mixture of these formulations were additive for lethality, locomotion and fertility. In short, GBF, ABF, and their mixture induced several toxic responses related to oxidative stress on C. elegans.
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Affiliation(s)
- María García-Espiñeira
- Environmental and Computational Chemistry Group, Zaragocilla Campus. School of Pharmaceutical Sciences. University of Cartagena, Cartagena 130015, Colombia.
| | - Lesly Tejeda-Benitez
- Development and Use of Biomass Research Group, Piedra de Bolivar Campus, School of Engineering, Universidad de Cartagena, Cartagena, 130015, Colombia.
| | - Jesus Olivero-Verbel
- Environmental and Computational Chemistry Group, Zaragocilla Campus. School of Pharmaceutical Sciences. University of Cartagena, Cartagena 130015, Colombia.
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Walker BS, Kramer AG, Lassiter CS. Atrazine affects craniofacial chondrogenesis and axial skeleton mineralization in zebrafish (Danio rerio). Toxicol Ind Health 2018; 34:329-338. [DOI: 10.1177/0748233718760419] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Atrazine is a commonly used herbicide that has previously been implicated as an endocrine-disrupting compound. Previous studies have shown that estrogenic endocrine-disrupting compounds affect the development of the heart, cartilage, and bone in zebrafish ( Danio rerio). To determine whether atrazine has effects similar to other endocrine disruptors, zebrafish embryos were treated with a range of atrazine concentrations. Atrazine treatment at a low concentration of 0.1 µM resulted in significant differences in craniofacial cartilage elements, while concentrations ≥1 µM led to decreased survival and increased heart rates. Fish treated with ≥1 µM atrazine also developed with delayed vertebrae mineralization. Higher concentrations of atrazine caused gross craniofacial defects and decreased hatching rates. Further studies into the molecular pathways disrupted in these developmental processes could shed light on a link between endocrine-disrupting compounds and developmental abnormalities.
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Epigenetics in teleost fish: From molecular mechanisms to physiological phenotypes. Comp Biochem Physiol B Biochem Mol Biol 2018; 224:210-244. [PMID: 29369794 DOI: 10.1016/j.cbpb.2018.01.006] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Revised: 01/08/2018] [Accepted: 01/16/2018] [Indexed: 02/07/2023]
Abstract
While the field of epigenetics is increasingly recognized to contribute to the emergence of phenotypes in mammalian research models across different developmental and generational timescales, the comparative biology of epigenetics in the large and physiologically diverse vertebrate infraclass of teleost fish remains comparatively understudied. The cypriniform zebrafish and the salmoniform rainbow trout and Atlantic salmon represent two especially important teleost orders, because they offer the unique possibility to comparatively investigate the role of epigenetic regulation in 3R and 4R duplicated genomes. In addition to their sequenced genomes, these teleost species are well-characterized model species for development and physiology, and therefore allow for an investigation of the role of epigenetic modifications in the emergence of physiological phenotypes during an organism's lifespan and in subsequent generations. This review aims firstly to describe the evolution of the repertoire of genes involved in key molecular epigenetic pathways including histone modifications, DNA methylation and microRNAs in zebrafish, rainbow trout, and Atlantic salmon, and secondly, to discuss recent advances in research highlighting a role for molecular epigenetics in shaping physiological phenotypes in these and other teleost models. Finally, by discussing themes and current limitations of the emerging field of teleost epigenetics from both theoretical and technical points of view, we will highlight future research needs and discuss how epigenetics will not only help address basic research questions in comparative teleost physiology, but also inform translational research including aquaculture, aquatic toxicology, and human disease.
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Lee J, Kho Y, Kim PG, Ji K. Exposure to bisphenol S alters the expression of microRNA in male zebrafish. Toxicol Appl Pharmacol 2018; 338:191-196. [DOI: 10.1016/j.taap.2017.11.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 11/14/2017] [Accepted: 11/23/2017] [Indexed: 01/01/2023]
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Wirbisky-Hershberger SE, Sanchez OF, Horzmann KA, Thanki D, Yuan C, Freeman JL. Atrazine exposure decreases the activity of DNMTs, global DNA methylation levels, and dnmt expression. Food Chem Toxicol 2017; 109:727-734. [PMID: 28859886 DOI: 10.1016/j.fct.2017.08.041] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 08/24/2017] [Accepted: 08/26/2017] [Indexed: 11/26/2022]
Abstract
Atrazine, a herbicide used on agricultural crops is widely applied in the Midwestern United States as well as other areas of the globe. Atrazine frequently contaminates potable water supplies and is a suspected endocrine disrupting chemical. Previous studies have reported morphological, hormonal, and molecular alterations due to developmental and adulthood atrazine exposure; however, studies examining epigenetic alterations are limited. In this study, the effects of atrazine exposure on DNA methyltransferase (DNMT) activity and kinetics were evaluated. Global DNA methylation levels and dnmt expression in zebrafish larvae exposed to 0, 3, or 30 parts per billion (ppb) atrazine throughout embryogenesis was then assessed. Results indicate that atrazine significantly decreased the activity of maintenance DNMTs and that the inhibition mechanism can be described using non-competitive Michaelis-Menten kinetics. Furthermore, results show that an embryonic atrazine exposure decreases global methylation levels and the expression of dnmt4 and dnmt5. These findings indicate that atrazine exposure can decrease the expression and activity of DNMTs, leading to decreased DNA methylation levels.
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Affiliation(s)
| | - Oscar F Sanchez
- School of Chemical Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | | | - Devang Thanki
- School of Health Sciences, Purdue University, West Lafayette, IN, 47907, USA
| | - Chongli Yuan
- School of Chemical Engineering, Purdue University, West Lafayette, IN, 47907, USA.
| | - Jennifer L Freeman
- School of Health Sciences, Purdue University, West Lafayette, IN, 47907, USA.
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Wang D, Liu C, Wang Y, Wang W, Wang K, Wu X, Li Z, Zhao C, Li L, Peng L. Impact of miR-26b on cardiomyocyte differentiation in P19 cells through regulating canonical/non-canonical Wnt signalling. Cell Prolif 2017; 50. [PMID: 28810055 DOI: 10.1111/cpr.12371] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 07/18/2017] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND AND OBJECTIVES The control of cardiomyocyte differentiation is tightly linked to microRNAs (miRNAs), which have been emerging as important players in heart development. However, the regulation mechanisms mediated by miRNAs in early heart development remains speculative. Here, we evaluated the impact of miR-26b during the progression of cardiomyocyte differentiation from the P19 cell line. MATERIALS AND METHODS The overexpression of miR-26b in P19 cells was performed by transduction with lentivirus vector. The levels of cardiac-related genes during P19 cell differentiation were detected using quantitative real-time PCR for mRNA abundance and Western blots for protein expression. ICG-001 was applied to elucidate the role of β-catenin on P19 cells differentiation. The Cell Counting kit-8 (CCK-8) was used to monitor the cell proliferation. The target genes of miR-26b were validated using the dual luciferase reporter system. RESULTS Overexpression of miR-26b upregulates the expression level of cardiomyocyte-related genes such as Gata4, cTNT, α-MHC and α-Actinin that comprehensively represent cardiomyocyte differentiation by effecting Wnt5a signalling and Gsk3β activity. However, ICG-001 blocks the differentiation along with inhibition of the cell proliferation. In addition, miR-26b also regulates CyclinD1 to promote P19 cell proliferation, thereby, demonstrating the rapid aggregation and differentiation programming of these cells into cardiomyocytic types. CONCLUSIONS Our results indicated that miR-26b exerts a role on promoting cardiomyocyte differentiation of P19 cells by controlling the canonical and non-canonical Wnt signalling.
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Affiliation(s)
- Duo Wang
- Key Laboratory of Arrhythmias, Ministry of Education, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China
| | - Chang Liu
- Key Laboratory of Arrhythmias, Ministry of Education, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China
| | - Yumei Wang
- Key Laboratory of Arrhythmias, Ministry of Education, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China
| | - Wenjing Wang
- Key Laboratory of Arrhythmias, Ministry of Education, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China
| | - Kang Wang
- Key Laboratory of Arrhythmias, Ministry of Education, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China
| | - Xiujuan Wu
- Key Laboratory of Arrhythmias, Ministry of Education, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China
| | - Zhigang Li
- Key Laboratory of Arrhythmias, Ministry of Education, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China
| | - Cuimei Zhao
- Key Laboratory of Arrhythmias, Ministry of Education, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China
| | - Li Li
- Key Laboratory of Arrhythmias, Ministry of Education, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China
| | - Luying Peng
- Key Laboratory of Arrhythmias, Ministry of Education, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China
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Ding X, Wang S, Shen W, Mu Y, Wang L, Chen H, Zhang L. Fe@Fe 2O 3 promoted electrochemical mineralization of atrazine via a triazinon ring opening mechanism. WATER RESEARCH 2017; 112:9-18. [PMID: 28110246 DOI: 10.1016/j.watres.2017.01.024] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 01/13/2017] [Accepted: 01/14/2017] [Indexed: 06/06/2023]
Abstract
In this study, an electrochemical/electro-Fenton oxidation (EC/EF) system was designed to degrade atrazine, by utilizing boron-doped diamond (BDD) and Fe@Fe2O3 core-shell nanowires loaded active carbon fiber (Fe@Fe2O3/ACF) as the anode and the cathode, respectively. This EC/EF system exhibited much higher degradation rate, decholorination and mineralization efficiency of atrazine than the electrochemical (EC) and electrochemical/traditional electro-Fenton (EC/TEF) oxidation counterpart systems without Fe@Fe2O3 core-shell nanowires. Active species trapping experiment revealed that Fe@Fe2O3 could activate molecular oxygen to produce more OH through Fenton reaction, which favored the atrazine degradation. High performance liquid chromatography, high performance liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry were applied to probe the decomposition and mineralization of atrazine during this novel EC/EF process, which revealed that two intermediates of triazinons (the isomerization of hydroxylated atrazine) were generated during the electrochemical/electro-Fenton oxidation of atrazine in the presence of Fe@Fe2O3 core-shell nanowires. The experimental and theoretical calculation results suggested that atrazine might be degraded via a triazinon ring opening mechanism, while the presence of Fe@Fe2O3 notably accelerated the decholorination process, and produced more hydroxylated products to promote the generation of trazinons and the subsequent ring cleavage as well as the final complete mineralization. This work provides a deep insight into the triazine ring opening mechanism and the design of efficient electrochemical advanced oxidation technologies (EAOTs) for persistent organic pollutant removal.
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Affiliation(s)
- Xing Ding
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, PR China; College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Shengyao Wang
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Wanqiu Shen
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, PR China
| | - Yi Mu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, PR China
| | - Li Wang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, PR China; College of Chemistry and Materials Science, Hubei Engineering University, Xiaogan 432000, PR China
| | - Hao Chen
- College of Science, Huazhong Agricultural University, Wuhan 430070, PR China.
| | - Lizhi Zhang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, PR China.
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Wirbisky SE, Sepúlveda MS, Weber GJ, Jannasch AS, Horzmann KA, Freeman JL. Embryonic Atrazine Exposure Elicits Alterations in Genes Associated with Neuroendocrine Function in Adult Male Zebrafish. Toxicol Sci 2016; 153:149-64. [PMID: 27413107 DOI: 10.1093/toxsci/kfw115] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The developmental origins of health and disease (DOHaD) hypothesis states that exposure to environmental stressors early in life can elicit genome and epigenome changes resulting in an increased susceptibility of a disease state during adulthood. Atrazine, a common agricultural herbicide used throughout the Midwestern United States, frequently contaminates potable water supplies and is a suspected endocrine disrupting chemical. In our previous studies, zebrafish was exposed to 0, 0.3, 3, or 30 parts per billion (μg/l) atrazine through embryogenesis, rinsed, and allowed to mature to adulthood. A decrease in spawning was observed with morphological alterations in offspring. In addition, adult females displayed an increase in ovarian progesterone and follicular atresia, alterations in levels of a serotonin metabolite and serotonin turnover in brain tissue, and transcriptome changes in brain and ovarian tissue supporting neuroendocrine alterations. As reproductive dysfunction is also influenced by males, this study assessed testes histology, hormone levels, and transcriptomic profiles of testes and brain tissue in the adult males. The embryonic atrazine exposure resulted in no alterations in body or testes weight, gonadosomatic index, testes histology, or levels of 11-ketotestosterone or testosterone. To further investigate potential alterations, transcriptomic profiles of adult male testes and brain tissue was completed. This analysis demonstrated alterations in genes associated with abnormal cell and neuronal growth and morphology; molecular transport, quantity, and production of steroid hormones; and neurotransmission with an emphasis on the hypothalamus-pituitary-adrenal and hypothalamus-pituitary-thyroid axes. Overall, this data indicate future studies should focus on additional neuroendocrine endpoints to determine potential functional impairments.
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Affiliation(s)
- Sara E Wirbisky
- *School of Health Sciences, Purdue University, Indiana 47907
| | - Maria S Sepúlveda
- *School of Health Sciences, Purdue University, Indiana 47907 Department of Forestry and Natural Resources, Purdue University, Indiana 47907
| | - Gregory J Weber
- *School of Health Sciences, Purdue University, Indiana 47907
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