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Coelho N, Camarinho R, Garcia P, Rodrigues AS. Histological evidence of hypothyroidism in mice chronically exposed to conventional farming. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 106:104387. [PMID: 38364936 DOI: 10.1016/j.etap.2024.104387] [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: 10/09/2023] [Revised: 01/31/2024] [Accepted: 02/07/2024] [Indexed: 02/18/2024]
Abstract
Worldwide, disorders of the thyroid gland are a growing concern; such can be caused by exposure to contaminants, including agrochemicals used in conventional agriculture, which act as endocrine disruptors. The purpose of this study is to evaluate whether or not exposure to an environment with conventional agriculture leads to thyroid disruption. Mus musculus were used as bioindicator species, captured in two sites: a farm where conventional agriculture is practiced, and a place without agriculture. Thyroid histomorphometric and morphologic data were analyzed. The impacts of the agricultural environment over the thyroid were revealed, as indications of hypothyroidism were observed in exposed mice: the area and volume of epithelial cells were much lower. Alterations in thyroid histomorphology were also observed: lower follicular sphericity, irregularly delimited epithelium and increased exfoliation into the colloid. These results highlight the need for transition from current conventional agricultural systems towards organic systems.
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Affiliation(s)
- Nádia Coelho
- FCT, Faculty of Sciences and Technology, University of the Azores, Ponta Delgada 9501-801, Portugal.
| | - Ricardo Camarinho
- FCT, Faculty of Sciences and Technology, University of the Azores, Ponta Delgada 9501-801, Portugal; IVAR, Institute of Volcanology and Risks Assessment, University of the Azores, Ponta Delgada 9501-801, Portugal.
| | - Patrícia Garcia
- FCT, Faculty of Sciences and Technology, University of the Azores, Ponta Delgada 9501-801, Portugal; cE3c - Centre for Ecology, Evolution and Environmental Changes & CHANGE - Global Change and Sustainability Institute, Azorean Biodiversity Group, University of the Azores, Ponta Delgada 9501-801, Portugal.
| | - Armindo S Rodrigues
- FCT, Faculty of Sciences and Technology, University of the Azores, Ponta Delgada 9501-801, Portugal; IVAR, Institute of Volcanology and Risks Assessment, University of the Azores, Ponta Delgada 9501-801, Portugal.
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Mohanty B. Pesticides exposure and compromised fitness in wild birds: Focusing on the reproductive endocrine disruption. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 199:105800. [PMID: 38458691 DOI: 10.1016/j.pestbp.2024.105800] [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: 08/21/2023] [Revised: 12/11/2023] [Accepted: 01/19/2024] [Indexed: 03/10/2024]
Abstract
Exposure of pesticides to wildlife species, especially on the aspect of endocrine disruption is of great concern. Wildlife species are more at risk to harmful exposures to the pesticides in their natural habitat through diet and several other means. Species at a higher tropic level in the food chain are more susceptible to the deleterious effects due to sequential biomagnifications of the pesticides/metabolites. Pesticides directly affect fitness of the species in the wild causing reproductive endocrine disruption impairing the hormones of the gonads and thyroid glands as reproduction is under the influence of cross regulations of these hormones. This review presents a comprehensive compilation of important literatures on the impact of the current use pesticides in disruption of both the hypothalamic-pituitary-gonadal and hypothalamic-pituitary-thyroid axes particularly in birds addressing impacts on the reproductive impairments and overall fitness. In addition to the epidemiological studies, laboratory investigations those provide supportive evidences of the probable mechanisms of disruption in the wild also have been incorporated in this review. To accurately predict the endocrine-disruption of the pesticides as well as to delineate the risk associated with potential cumulative effects, studies are to be more focused on the environmentally realistic exposure dose, mixture pesticide exposures and transgenerational effects. In addition, strategic screening/appropriate methodologies have to be developed to reveal the endocrine disruption potential of the contemporary use pesticides. Demand for adequate quantitative structure-activity relationships and insilico molecular docking studies for timely validation have been highlighted.
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Horak I, Horn S, Pieters R. The benefit of using in vitro bioassays to screen agricultural samples for oxidative stress: South Africa's case. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2023; 58:689-710. [PMID: 37814453 DOI: 10.1080/03601234.2023.2264739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
Applied pesticides end up in non-target environments as complex mixtures. When bioavailable, these chemicals pose a threat to living organisms and can induce oxidative stress (OS). In this article, attention is paid to OS and the physiological role of the antioxidant defense system. South African and international literature was reviewed to provide extensive evidence of pesticide-induced OS in non-target organisms, in vivo and in vitro. Although in vitro approaches are used internationally, South African studies have only used in vivo methods. Considering ethical implications, the authors support the use of in vitro bioassays to screen environmental matrices for their OS potential. Since OS responses are initiated and measurable at lower cellular concentrations compared to other toxicity endpoints, in vitro OS bioassays could be used as an early warning sign for the presence of chemical mixtures in non-target environments. Areas of concern in the country could be identified and prioritized without using animal models. The authors conclude that it will be worthwhile for South Africa to include in vitro OS bioassays as part of a battery of tests to screen environmental matrices for biological effects. This will facilitate the development and implementation of biomonitoring programs to safeguard the South African environment.
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Affiliation(s)
- Ilzé Horak
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
- Occupational Hygiene and Health Research Initiative, North-West University, Potchefstroom, South Africa
| | - Suranie Horn
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
- Occupational Hygiene and Health Research Initiative, North-West University, Potchefstroom, South Africa
| | - Rialet Pieters
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
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Zhuang J, Jiang Z, Chen D, Li J, Crabbe MJC, Qiu M, Zheng Y, Qu W. Thyroid-Disrupting Effects of Exposure to Fipronil and Its Metabolites from Drinking Water Based on Human Thyroid Follicular Epithelial Nthy-ori 3-1 Cell Lines. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:6072-6084. [PMID: 37022920 DOI: 10.1021/acs.est.2c08627] [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] [Indexed: 06/19/2023]
Abstract
Fipronil is a broad-spectrum insecticide used for plants and poultry. Owing to its widespread use, fipronil and its metabolites (fipronil sulfone, fipronil desulfinyl, and fipronil sulfide), termed FPM, can be frequently detected in drinking water and food. Fipronil can affect the thyroid function of animals, but the effects of FPM on the human thyroid remain unclear. We employed human thyroid follicular epithelial Nthy-ori 3-1 cells to examine combined cytotoxic responses, thyroid-related functional proteins including the sodium-iodide symporter (NIS), thyroid peroxidase (TPO), deiodinases I-III (DIO I-III), and the nuclear factor erythroid-derived factor 2-related factor 2 (NRF2) pathway induced by FPM of 1-1000-fold concentrations detected in school drinking water collected from a heavily contaminated area of the Huai River Basin. Thyroid-disrupting effects of FPM were evaluated by examining biomarkers of oxidative stress and thyroid function and tetraiodothyronine (T4) levels secreted by Nthy-ori 3-1 cells after FPM treatment. FPM activated the expression of NRF2, HO-1 (heme oxygenase 1), TPO, DIO I, and DIO II but inhibited NIS expression and increased the T4 level of thyrocytes, indicating that FPM can disrupt the function of human thyrocytes through oxidative pathways. Given the adverse impact of low FPM concentrations on human thyrocytes, supportive evidence from rodent studies, and the critical importance of thyroid hormones on development, the effects of FPM on the neurodevelopment and growth of children warrant priority attention.
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Affiliation(s)
- Jianhui Zhuang
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
| | - Zhiqiang Jiang
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
| | - Dawei Chen
- China National Center for Food Safety Risk Assessment, Beijing 100022, China
| | - Jingguang Li
- China National Center for Food Safety Risk Assessment, Beijing 100022, China
| | - M James C Crabbe
- Wolfson College, Oxford University, Oxford OX2 6UD, U.K
- Institute of Biomedical and Environmental Science & Technology, University of Bedfordshire, Luton LU1 3JU, U.K
| | - Meiyue Qiu
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
| | - Yuxin Zheng
- Department of Occupational and Environmental Health, School of Public Health, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China
| | - Weidong Qu
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
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McGuire CC, Robert JR. Environmental endocrine disruptors and amphibian immunity: A bridge between the thyroid hormone axis and T cell development. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 140:104617. [PMID: 36529309 PMCID: PMC9892850 DOI: 10.1016/j.dci.2022.104617] [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: 06/02/2022] [Revised: 12/11/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Immunity is susceptible to reprogramming by environmental chemical and endocrine signals. Notably, numerous thyroid disrupting chemicals (TDCs) have the potential to perturb immune endpoints, but data are lacking on the mechanisms by which TDCs can influence the development of the immune system. T cell immunity is particularly vulnerable to modulation by TDCs during thymic education, differentiation, and selection. The following review discusses the ways in which thyroid hormones may influence T cell development, as well as emerging TDCs with potential to impact both thyroid hormone physiology and immune outcomes. To overcome the challenges of studying TDC impacts on immune toxicological endpoints, a comparative approach using the amphibian Xenopus laevis is recommended. X. laevis are ideally suited to studying TDC impacts on immunity due to the importance of thyroid hormones for metamorphosis, and the wealth of immunological models to measure immune endpoints in both tadpoles and adult frogs.
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Affiliation(s)
- Connor C McGuire
- University of Rochester Department of Microbiology and Immunology, USA; University of Rochester Department Environmental Medicine, USA
| | - Jacques R Robert
- University of Rochester Department of Microbiology and Immunology, USA; University of Rochester Department Environmental Medicine, USA.
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Fucic A, Mantovani A, Vena J, Bloom MS, Sincic N, Vazquez M, Aguado-Sierra J. Impact of endocrine disruptors from mother's diet on immuno-hormonal orchestration of brain development and introduction of the virtual human twin tool. Reprod Toxicol 2023; 117:108357. [PMID: 36863570 DOI: 10.1016/j.reprotox.2023.108357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/19/2023] [Accepted: 02/22/2023] [Indexed: 03/04/2023]
Abstract
Diet has long been known to modify physiology during development and adulthood. However, due to a growing number of manufactured contaminants and additives over the last few decades, diet has increasingly become a source of exposure to chemicals that has been associated with adverse health risks. Sources of food contaminants include the environment, crops treated with agrochemicals, inappropriate storage (e.g., mycotoxins) and migration of xenobiotics from food packaging and food production equipment. Hence, consumers are exposed to a mixture of xenobiotics, some of which are endocrine disruptors (EDs). The complex interactions between immune function and brain development and their orchestration by steroid hormones are insufficiently understood in human populations, and little is known about the impact on immune-brain interactions by transplacental fetal exposure to EDs via maternal diet. To help to identify the key data gaps, this paper aims to present (a) how transplacental EDs modify immune system and brain development, and (b) how these mechanisms may correlate with diseases such as autism and disturbances of lateral brain development. Attention is given to disturbances of the subplate, a transient structure of crucial significance in brain development. Additionally, we describe cutting edge approaches to investigate the developmental neurotoxicity of EDs, such as the application of artificial intelligence and comprehensive modelling. In the future, highly complex investigations will be performed using virtual brain models constructed using sophisticated multi-physics/multi-scale modelling strategies based on patient and synthetic data, which will enable a greater understanding of healthy or disturbed brain development.
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Affiliation(s)
- A Fucic
- Institute for Medical Research and Occupational Health, Ksaverska C 2, Zagreb, Croatia.
| | - A Mantovani
- Istituto Superiore di Sanità, Department of Food Safety, Nutrition and Veterinary Public Health, Rome, Italy
| | - J Vena
- Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - M S Bloom
- Global and Community Health, George Mason University, 4400 University Dr., Fairfax, VA, USA
| | - N Sincic
- Medical School, University of Zagreb, Salata 3, Croatia
| | - M Vazquez
- Barcelona Supercomputing Center, Plaça Eusebi Güell, 1-3, Barcelona 08034, Spain
| | - J Aguado-Sierra
- Barcelona Supercomputing Center, Plaça Eusebi Güell, 1-3, Barcelona 08034, Spain
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7
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Singh H, Lonare MK, Sharma M, Udehiya R, Singla S, Saini SP, Dumka VK. Interactive effect of carbendazim and imidacloprid on buffalo bone marrow derived mesenchymal stem cells: oxidative stress, cytotoxicity and genotoxicity. Drug Chem Toxicol 2023; 46:35-49. [PMID: 34844488 DOI: 10.1080/01480545.2021.2007023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The effect of a combination of two pesticides, carbendazim (CBZ) and imidacloprid (IMI), was investigated on mesenchymal stem cells derived from the bone marrow of buffalo (bMSCs). The bMSCs were exposed to the CBZ (2.25 µM, 4.49 µM, and 8.98 µM) and IMI (0.81 mM, 1.61 mM, and 3.22 mM) alone as well as in combinations. The bMSCs were found to be positive for the stem cell markers, AP, CD73, and OCT4. The bMSCs showed a significant reduction (p ≤ 0.05) in cell viability, and status of anti-oxidants while a significant increase (p ≤ 0.05) in the level of LDH, ALP, and CK-MB in CBZ and IMI-treated groups. A significant increase (p ≤ 0.05) was noticed in LPO, O2─ radical, total ROS, loss of ΔΨm, apoptotic index, and DNA damage in CBZ and IMI-treated groups. A low-dose combination group showed an elevated effect compared to the groups treated with the single pesticide. The interaction index was calculated for CBZ-IMI combined treatment groups on various parameters that showed the majority of antagonist effects. Present findings confirmed that CBZ and IMI-induced cytotoxicity in bMSCs was mediated via ROS production, altered ΔΨm and LPO along with depressed antioxidant status which was responsible for cell apoptosis and cell damage. This study suggested that CBZ and IMI had a dose-dependent toxic effect when the pesticides were used alone, while, co-exposure to both the pesticides simultaneously had an antagonist or non-additive effect on buffalo bMSCs at lower dose combinations and they induced a potentiating effect at high-dose combination.
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Affiliation(s)
| | | | | | - Rahul Udehiya
- Department of Veterinary Surgery and Radiology, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India
| | - Saloni Singla
- Department of Veterinary Pharmacology and Toxicology
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Cestonaro LV, Macedo SMD, Piton YV, Garcia SC, Arbo MD. Toxic effects of pesticides on cellular and humoral immunity: an overview. Immunopharmacol Immunotoxicol 2022; 44:816-831. [PMID: 35770924 DOI: 10.1080/08923973.2022.2096466] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
People are exposed to pesticides through food, drinking water, and the environment. These compounds are associated with several disorders, such as inflammatory diseases, rheumatoid arthritis, cancer, and a condition related to metabolic syndrome. The immunotoxicants or immunotoxic compounds can cause a wide variety of effects on immune function, altering humoral immunity and cell-mediated immunity, resulting in adverse effects to the body. Here, immune system disorders are highlighted because they are closely linked to multiple organs, including the nervous, endocrine, reproductive, cardiovascular, and respiratory systems, leading to transient or permanent changes. Therefore, this study reviewed the mechanisms involved in the immunotoxicity of fungicides, herbicides, and insecticides in cells, animals, and humans in the past 11 years. According to the studies analyzed, the pesticides interfere with innate and adaptive immune functions, but the effects observed mainly on cellular and humoral immunity were highlighted. These compounds affected specific immune cells, causing apoptosis, changes in factor nuclear kappa B (NF-κB) expression, pro-inflammatory factors interleukin 6 (IL-6), interleukin 8 (IL-8), interferon-gamma (IFN-γ), chemokines (CXCL-c1c), and anti-inflammatory factor, such as interleukin 10 (IL-10). To verify the threats of these compounds, new evaluations with immunotoxicological biomarkers are necessary. HighlightsPesticides interfere with the innate and adaptive immune response.Cells, animals and human studies demonstrate the immunotoxicity of pesticides in the cellular and humoral immune response.Fungicides, herbicides, and insecticides alter the immune system by various mechanisms, such as pro-inflammatory and anti-inflammatory factors.
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Affiliation(s)
- Larissa Vivan Cestonaro
- Departamento de Análises, Faculdade de Farmácia, Laboratório de Toxicologia, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil.,Faculdade de Farmácia, Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Sandra Manoela Dias Macedo
- Departamento de Farmacociências, Universidade Federal de Ciências da Saúde de Porto Alegre - UFCSPA, Porto Alegre, Brazil
| | - Yasmin Vendrusculo Piton
- Departamento de Análises, Faculdade de Farmácia, Laboratório de Toxicologia, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Solange Cristina Garcia
- Departamento de Análises, Faculdade de Farmácia, Laboratório de Toxicologia, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil.,Faculdade de Farmácia, Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Marcelo Dutra Arbo
- Departamento de Análises, Faculdade de Farmácia, Laboratório de Toxicologia, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil.,Faculdade de Farmácia, Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
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9
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Moya A, Tejedor D, Manetti M, Clavijo A, Pagano E, Munarriz E, Kronberg MF. Reproductive toxicity by exposure to low concentrations of pesticides in Caenorhabditis elegans. Toxicology 2022; 475:153229. [PMID: 35697162 DOI: 10.1016/j.tox.2022.153229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/20/2022] [Accepted: 06/06/2022] [Indexed: 11/16/2022]
Abstract
In view of the recurrent applications of pesticides in agricultural producing countries, the increased presence of these substances in the environment raise a demand for the evaluation of adverse effects on non-target organisms. This study assesses the impact of exposure to five pesticides suspected of being endocrine disruptors (atrazine, 2,4-dichlorophenoxyacetic acid, mancozeb, chlorpyrifos and cypermethrin) on the reproductive development of the nematode Caenorhabditis elegans. To this end, nematodes in the L4 larval stage were exposed to different concentrations of pesticides for 24 h and the consequences on brood size, percentage of gravid nematodes, expression of reproductive-related genes and vitellogenin trafficking and endocytosis were measured. Moreover, 17β-estradiol was used as an estrogenic control for endocrine disrupting compounds throughout the work. The results showed that all the pesticides disturbed to some extent one or more of the evaluated endpoints. Remarkably, we found that atrazine, 2,4-dichlorophenoxyacetic acid and chlorpyrifos produced comparable responses to 17β-estradiol suggesting that these pesticides may have estrogen-like endocrine disrupting activity. Atrazine and 17β-estradiol, as well as 2,4-dichlorophenoxyacetic acid and chlorpyrifos to a lesser extent, decreased the brood size, affected vitellogenin trafficking and endocytosis, and changed the expression of several reproductive-related genes. Conversely, mancozeb and cypermethrin had the least impact on the evaluated endpoint. Cypermethrin affected the brood size at the highest concentration tested and mancozeb altered the distribution of vitellogenin only in approximately 10% of the population. However, both products overexpressed hus-1 and vit-2 genes, indicating that an induction of stress could interfere with the normal development of the nematode. In conclusion, our work proved that C. elegans is a useful biological model to identify the effects of estrogen-like endocrine disruptor compounds, and the sublethal endpoints proposed may serve as an important contribution on evaluating environmental pollutants.
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Affiliation(s)
- Aldana Moya
- Cátedra de Protección vegetal, Facultad de Agronomía, Universidad de Buenos Aires, Avda. San Martín 4453, C1417DSE Ciudad Autónoma de Buenos Aires, Argentina
| | - Daniela Tejedor
- Cátedra de Bioquímica, Facultad de Agronomía, Universidad de Buenos Aires, Avda. San Martín 4453, C1417DSE Ciudad Autónoma de Buenos Aires, Argentina; Instituto de Investigaciones en Biociencias Agrícolas y Ambientales, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Avda. San Martín 4453, C1417DSE Ciudad Autónoma de Buenos Aires, Argentina
| | - Mariana Manetti
- Instituto de Investigaciones en Biociencias Agrícolas y Ambientales, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Avda. San Martín 4453, C1417DSE Ciudad Autónoma de Buenos Aires, Argentina
| | - Araceli Clavijo
- Instituto de Investigaciones en Energía no Convencional, Universidad Nacional de Salta - Consejo Nacional de Investigaciones Científicas y Técnicas, Avda. Bolivia 5150, A4408FVY Ciudad de Salta, Argentina
| | - Eduardo Pagano
- Cátedra de Bioquímica, Facultad de Agronomía, Universidad de Buenos Aires, Avda. San Martín 4453, C1417DSE Ciudad Autónoma de Buenos Aires, Argentina; Instituto de Investigaciones en Biociencias Agrícolas y Ambientales, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Avda. San Martín 4453, C1417DSE Ciudad Autónoma de Buenos Aires, Argentina
| | - Eliana Munarriz
- Cátedra de Bioquímica, Facultad de Agronomía, Universidad de Buenos Aires, Avda. San Martín 4453, C1417DSE Ciudad Autónoma de Buenos Aires, Argentina; Instituto de Investigaciones en Biociencias Agrícolas y Ambientales, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Avda. San Martín 4453, C1417DSE Ciudad Autónoma de Buenos Aires, Argentina.
| | - María Florencia Kronberg
- Cátedra de Bioquímica, Facultad de Agronomía, Universidad de Buenos Aires, Avda. San Martín 4453, C1417DSE Ciudad Autónoma de Buenos Aires, Argentina; Instituto de Investigaciones en Biociencias Agrícolas y Ambientales, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas, Avda. San Martín 4453, C1417DSE Ciudad Autónoma de Buenos Aires, Argentina.
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10
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Alexandrino DAM, Almeida CMR, Mucha AP, Carvalho MF. Revisiting pesticide pollution: The case of fluorinated pesticides. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 292:118315. [PMID: 34634397 DOI: 10.1016/j.envpol.2021.118315] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/11/2021] [Accepted: 10/06/2021] [Indexed: 06/13/2023]
Abstract
Fluorinated pesticides acquired a significant market share in the agrochemical sector due to the surge of new fluoroorganic ingredients approved in the last two decades. This growing trend has not been accompanied by a comprehensive scientific and regulatory framework entailing all their potential negative impacts for the environment, especially when considering the hazardous properties that may result from the incorporation of fluorine into organic molecules. This review aims to address the safe/hazardous dichotomy associated with fluorinated pesticides by providing an updated outlook on their relevancy in the agrochemical sector and how it leads to their role as environmental pollutants. Specifically, the environmental fate and distribution of these pesticides in the ecosystems is discussed, while also analysing their potential to act as toxic substances for non-target organisms.
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Affiliation(s)
- Diogo A M Alexandrino
- CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos s/n, 4450-208, Matosinhos, Portugal; School of Medicine and Biomedical Sciences (ICBAS), University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal.
| | - C Marisa R Almeida
- CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos s/n, 4450-208, Matosinhos, Portugal
| | - Ana P Mucha
- CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos s/n, 4450-208, Matosinhos, Portugal; Faculty of Sciences, University of Porto, Rua do Campo Alegre 790, 4150-171, Porto, Portugal
| | - Maria F Carvalho
- CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos s/n, 4450-208, Matosinhos, Portugal; School of Medicine and Biomedical Sciences (ICBAS), University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
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11
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Estrela FN, Guimarães ATB, Araújo APDC, Silva FG, Luz TMD, Silva AM, Pereira PS, Malafaia G. Toxicity of polystyrene nanoplastics and zinc oxide to mice. CHEMOSPHERE 2021; 271:129476. [PMID: 33434826 DOI: 10.1016/j.chemosphere.2020.129476] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/21/2020] [Accepted: 12/27/2020] [Indexed: 05/04/2023]
Abstract
The toxicity of zinc oxide (ZnO NPs) and polystyrene nanoplastics (PS NaPs) has been tested in different animal models; however, knowledge about their impact on mice remains incipient. The aim of the current study is to evaluate the effects of these nanomaterials on Swiss mice after their individual exposure to a binary combination of them. The goal was to investigate whether short exposure (three days) to an environmentally relevant dose (14.6 ng/kg, i.p.) of these pollutants would have neurotoxic, biochemical and genotoxic effects on the modelss. Data in the current study have shown that the individual exposure of these animals has led to cognitive impairment based on the object recognition test, although the exposure experiment did not cause locomotor and anxiogenic or anxiolitic-like behavioral changes in them. This outcome was associated with increased nitric oxide levels, thiobarbituric acid reactive species, reduction in acetylcholinesterase activity and with the accumulation of nanomaterials in their brains. Results recorded for the assessed parameters did not differ between the control group and the groups exposed to the binary combination of pollutants. However, both the individual and the combined exposures caused erythrocyte DNA damages associated with hypercholesterolemic and hypertriglyceridemic conditions due to the presence of nanomaterials. Based on the results, the toxicological potential of ZnO NPs and PS NaPs in the models was confirmed and it encouraged further in-depth investigations about factors explaining the lack of additive or synergistic effect caused by the combined exposure to the assessed pollutants.
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Affiliation(s)
- Fernanda Neves Estrela
- Programa de Pós-Graduação em Biotecnologia e Biodiversidade, Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Goiânia, Brazil
| | - Abraão Tiago Batista Guimarães
- Programa de Pós-Graduação em Biotecnologia e Biodiversidade, Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Goiânia, Brazil
| | | | - Fabiano Guimarães Silva
- Programa de Pós-Graduação em Biotecnologia e Biodiversidade, Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Goiânia, Brazil
| | - Thiarlen Marinho da Luz
- Laboratório de Pesquisas Biológicas, Instituto Federal Goiano - Campus Urutaí, Urutaí, Brazil
| | - Abner Marcelino Silva
- Laboratório de Pesquisas Biológicas, Instituto Federal Goiano - Campus Urutaí, Urutaí, Brazil
| | - Paulo Sergio Pereira
- Programa de Pós-Graduação em Biotecnologia e Biodiversidade, Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Goiânia, Brazil
| | - Guilherme Malafaia
- Programa de Pós-Graduação em Biotecnologia e Biodiversidade, Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Goiânia, Brazil; Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado, Instituto Federal Goiano - Campus Urutaí, Urutaí, Brazil.
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Birgül Iyison N, Shahraki A, Kahveci K, Düzgün MB, Gün G. Are insect GPCRs ideal next‐generation pesticides: opportunities and challenges. FEBS J 2021; 288:2727-2745. [DOI: 10.1111/febs.15708] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 12/27/2020] [Accepted: 01/06/2021] [Indexed: 12/22/2022]
Affiliation(s)
- Necla Birgül Iyison
- Department of Molecular Biology and Genetics Institute of Graduate Studies in Science and Engineering Boğaziçi University Istanbul Turkey
| | - Aida Shahraki
- Department of Molecular Biology and Genetics Institute of Graduate Studies in Science and Engineering Boğaziçi University Istanbul Turkey
| | - Kübra Kahveci
- Department of Molecular Biology and Genetics Institute of Graduate Studies in Science and Engineering Boğaziçi University Istanbul Turkey
| | - Mustafa Barbaros Düzgün
- Department of Molecular Biology and Genetics Institute of Graduate Studies in Science and Engineering Boğaziçi University Istanbul Turkey
| | - Gökhan Gün
- Department of Molecular Biology and Genetics Institute of Graduate Studies in Science and Engineering Boğaziçi University Istanbul Turkey
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