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Lopez L, Kogut K, Rauch S, Gunier RB, Wong MP, Harris E, Deardorff J, Eskenazi B, Harley KG. Organophosphate pesticide exposure and risk of SARS-CoV-2 infection. ENVIRONMENTAL RESEARCH 2024; 255:119214. [PMID: 38788790 DOI: 10.1016/j.envres.2024.119214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 05/17/2024] [Accepted: 05/20/2024] [Indexed: 05/26/2024]
Abstract
Several studies have reported immune modulation by organophosphate (OP) pesticides, but the relationship between OP exposure and SARS-CoV-2 infection is yet to be studied. We used two different measures of OP pesticide exposure (urinary biomarkers (N = 154) and residential proximity to OP applications (N = 292)) to examine the association of early-childhood and lifetime exposure to OPs and risk of infection of SARS-CoV-2 using antibody data. Our study population consisted of young adults (ages 18-21 years) from the Center for the Health Assessment of Mothers and Children of Salinas (CHAMACOS) Study, a longitudinal cohort of families from a California agricultural region. Urinary biomarkers reflected exposure from in utero to age 5 years. Residential proximity reflected exposures between in utero and age 16 years. SARS-CoV-2 antibodies in blood samples collected between June 2022 and January 2023 were detected via two enzyme linked immunosorbent assays, each designed to bind to different SARS-CoV-2 antigens. We performed logistic regression for each measure of pesticide exposure, adjusting for covariates from demographic data and self-reported questionnaire data. We found increased odds of SARS-CoV-2 infection among participants with higher urinary biomarkers of OPs in utero (OR = 1.94, 95% CI: 0.71, 5,58) and from age 0-5 (OR = 1.90, 95% CI: 0.54, 6.95).
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Affiliation(s)
- Luis Lopez
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, United States
| | - Katie Kogut
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, United States
| | - Stephen Rauch
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, United States
| | - Robert B Gunier
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, United States
| | - Marcus P Wong
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, United States
| | - Eva Harris
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, United States
| | - Julianna Deardorff
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, United States
| | - Brenda Eskenazi
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, United States
| | - Kim G Harley
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, United States.
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Chen D, Parks CG, Hofmann JN, Beane Freeman LE, Sandler DP. Pesticide use and inflammatory bowel disease in licensed pesticide applicators and spouses in the Agricultural Health Study. ENVIRONMENTAL RESEARCH 2024; 249:118464. [PMID: 38354883 PMCID: PMC11065595 DOI: 10.1016/j.envres.2024.118464] [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: 11/22/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 02/16/2024]
Abstract
BACKGROUND Pesticide exposure has been linked to some autoimmune diseases and colorectal cancer, possibly via alteration of gut microbiota or other mechanisms. While pesticides have been linked to gut dysbiosis and inflammation in animal models, few epidemiologic studies have examined pesticides in relation to inflammatory bowel disease (IBD). OBJECTIVES We evaluated use of pesticides and incident IBD in 68,480 eligible pesticide applicators and spouses enrolled in the Agricultural Health Study. METHODS Self-reported IBD cases were identified from follow-up questionnaires between enrollment (1993-1997) and 2022. We evaluated IBD incidence in relation to self-reported ever use of 50 pesticides among applicators and spouses. We also explored associations with intensity-weighted lifetime days (IWLD) of pesticide use among male applicators. Covariate-adjusted hazard ratios (HR) and 95% confidence intervals (CI) were calculated using Cox regression. RESULTS We identified 454 IBD cases, including 227 among male applicators. In analyses with applicators and spouses combined, associations were positive (HR > 1.2) for ever vs. never use of five organochlorine insecticides, three organophosphate insecticides, one fungicide, and five herbicides. HRs were highest for dieldrin (HR = 1.59, 95%CI: 1.03, 2.44), toxaphene (HR = 1.61, 95%CI: 1.17, 2.21), parathion (HR = 1.42, 95%CI: 1.03, 1.95), and terbufos (HR = 1.53, 95%CI: 1.19, 1.96). We had limited power in many IWLD of pesticide use analyses and did not find clear evidence of exposure-response trends; however, we observed elevated HRs in all tertiles of IWLD use of terbufos compared to never use (T1 vs. never use HR = 1.52, 95%CI: 1.03, 2.24; T2 vs. never use HR = 1.53, 95%CI: 1.04, 2.26; T3 vs. never use HR = 1.51, 95%CI: 1.03, 2.23). CONCLUSIONS Exposure to specific pesticides was associated with elevated hazards of IBD. These findings may have public health importance given the widespread use of pesticides and the limited number of known modifiable environmental risk factors for IBD.
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Affiliation(s)
- Dazhe Chen
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Christine G Parks
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Jonathan N Hofmann
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, MD, USA
| | - Laura E Beane Freeman
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Rockville, MD, USA
| | - Dale P Sandler
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.
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Rubira RJG, Correia RR, Batista VRG, Pazin WM, González FG, Otero JC, Teixeira GR, Job AE. Assessing the negative impact of chlorantraniliprole, isoxaflutole, and simazine pesticides on phospholipid membrane models and tilapia gill tissues. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 349:123904. [PMID: 38565392 DOI: 10.1016/j.envpol.2024.123904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 03/07/2024] [Accepted: 03/29/2024] [Indexed: 04/04/2024]
Abstract
The indiscriminate and, very often, incorrect use of pesticides in Brazil, as well as in other countries, results in severe levels of environmental pollution and intoxication of human life. Herein, we studied plasma membrane models (monolayer and bilayer) of the phospholipid Dioleoyl-sn-glycerol-3-phosphocholine (DOPC) using Langmuir films, and large (LUVs) and giant (GUVs) unilamellar vesicles, to determine the effect of the pesticides chlorantraniliprole (CLTP), isoxaflutole (ISF), and simazine (SMZ), used in sugarcane. CLTP affects the lipid organization of the bioinspired models of DOPC π-A isotherms, while ISF and SMZ pesticides significantly affect the LUVs and GUVs. Furthermore, the in vivo study of the gill tissue in fish in the presence of pesticides (2.0 × 10-10 mol/L for CLTP, 8.3 × 10-9 mol/L for ISF, and SMZ at 9.9 × 10-9 mol/L) was performed using optical and fluorescence images. This investigation was motivated by the gill lipid membranes, which are vital for regulating transporter activity through transmembrane proteins, crucial for maintaining ionic balance in fish gills. In this way, the presence of phospholipids in gills offers a model for understanding their effects on fish health. Histological results show that exposure to CLTP, ISF, and SMZ may interfere with vital gill functions, leading to respiratory disorders and osmoregulation dysfunction. The results indicate that exposure to pesticides caused severe morphological alterations in fish, which could be correlated with their impact on the bioinspired membrane models. Moreover, the effect does not depend on the exposure period (24h and 96h), showing that animals exposed to pesticides for a short period suffer irreparable damage to gill tissue. In summary, we can conclude that the harm caused by pesticides, both in membrane models and in fish gills, occurs due to contamination of the aquatic system with pesticides. Therefore, water quality is vital for the preservation of ecosystems.
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Affiliation(s)
- Rafael J G Rubira
- São Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente, SP, 19060-900, Brazil.
| | - Rafael R Correia
- Multicenter Graduate Program in Physiological Sciences, SBFis, São Paulo State University (UNESP), Araçatuba, SP, Brazil
| | - Victor R G Batista
- Multicenter Graduate Program in Physiological Sciences, SBFis, São Paulo State University (UNESP), Araçatuba, SP, Brazil
| | - Wallance M Pazin
- São Paulo State University (Unesp), School of Sciences, Bauru, SP, 17033-360, Brazil
| | - Francisco G González
- Department of Physical Chemistry, Faculty of Science, University of Málaga (UMA), Málaga, 29071, Spain
| | - Juan C Otero
- Department of Physical Chemistry, Faculty of Science, University of Málaga (UMA), Málaga, 29071, Spain
| | - Giovana R Teixeira
- São Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente, SP, 19060-900, Brazil; Multicenter Graduate Program in Physiological Sciences, SBFis, São Paulo State University (UNESP), Araçatuba, SP, Brazil
| | - Aldo E Job
- São Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente, SP, 19060-900, Brazil
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Fierro-Castro C, Tort L, Mingatto FE, Biller JD. Assessing the effect of β-glucan diets on innate immune response of tilapia macrophages against trichlorfon exposure: an in vitro study. FISH PHYSIOLOGY AND BIOCHEMISTRY 2024; 50:527-541. [PMID: 38099984 PMCID: PMC11021296 DOI: 10.1007/s10695-023-01283-5] [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: 08/07/2023] [Accepted: 11/26/2023] [Indexed: 04/17/2024]
Abstract
The widespread use of pesticides in some areas where fish species such as tilapia are farmed may cause damage to the environment and affect commercial fish and therefore, human health. Water leaching with the pesticide trichlorfon, during the fumigation season in the field, can affect water quality in fish farms and consequently affect fish health. At the same time, the use of immunomodulatory compounds such as β-glucan supplied in the diet has become widespread in fish farms as it has been shown that improves the overall immune response. The present research examines the immunomodulatory impacts observed in macrophages of Nile tilapia (Oreochromis niloticus) after being fed a diet supplemented with β-glucan for 15 days, followed by their in vitro exposure to trichlorfon, an organophosphate pesticide, at concentrations of 100 and 500 µg mL-1 for 24 h. The results showed that β-glucan diet improved the viability of cells exposed to trichlorfon and their antioxidant capacity. However, β-glucan did not counteract the effects of the pesticide as for the ability to protect against bacterial infection. From the present results, it can be concluded that β-glucan feeding exerted a protective role against oxidative damage in cells, but it was not enough to reduce the deleterious effects of trichlorfon on the microbicidal capacity of macrophages exposed to this pesticide.
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Affiliation(s)
- Camino Fierro-Castro
- Departamento de Biología Molecular, Área de Genética, Facultad de Ciencias Biológicas y Ambientales, Universidad de León, 24071, León, Spain.
| | - Lluís Tort
- Departmento de Biología Celular, Fisiología E Inmunología, Fac. Biociencas, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Fábio Erminio Mingatto
- Department of Animal Science, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, Brazil
| | - Jaqueline Dalbello Biller
- Department of Animal Science, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, Brazil
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Godínez-Pérez BM, Schilmann A, Lagunas-Martínez A, Escamilla-Núñez C, Burguete-García AI, Aguilar-Garduño C, Blanco-Muñoz J, Lacasaña M. Pesticide use patterns and their association with cytokine levels in Mexican flower workers. Int Arch Occup Environ Health 2024; 97:291-302. [PMID: 38270603 DOI: 10.1007/s00420-023-02043-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 12/16/2023] [Indexed: 01/26/2024]
Abstract
OBJECTIVE Occupational exposure to pesticides is a known risk for disrupting cellular immune response in flower workers due to their use of multiple chemical products, poor work conditions, and inadequate protection. Recently, the analysis of pesticide use patterns has emerged as an alternative to studying exposure to mixtures of these products. This study aimed to evaluate the association between exposure to different patterns of pesticide use and the cytokine profile of flower workers in the State of Mexico and Morelos, Mexico. METHODS A cross-sectional study was carried out on a population of 108 flower workers. Serum levels of IL-4, IL-5, IL-6, IL-8, IL-10 cytokines were analyzed by means of multiplex analysis, and TNF-α and IFN-γ using an ELISA test. Pesticide use patterns were generated by principal components analysis. RESULTS The analysis revealed that certain patterns of pesticide use, combining insecticides and fungicides, were associated with higher levels of pro-inflammatory cytokines, particularly IL-6 and IFN-γ. CONCLUSION These findings indicate that pesticides may possess immunotoxic properties, contributing to increased inflammatory response. However, further comprehensive epidemiological studies are needed to establish a causal relationship.
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Affiliation(s)
| | - Astrid Schilmann
- National Institute of Public Health of Mexico, Av. Universidad 655, 62130, Cuernavaca, Morelos, Mexico
| | - Alfredo Lagunas-Martínez
- National Institute of Public Health of Mexico, Av. Universidad 655, 62130, Cuernavaca, Morelos, Mexico
| | - Consuelo Escamilla-Núñez
- National Institute of Public Health of Mexico, Av. Universidad 655, 62130, Cuernavaca, Morelos, Mexico
| | | | | | - Julia Blanco-Muñoz
- National Institute of Public Health of Mexico, Av. Universidad 655, 62130, Cuernavaca, Morelos, Mexico.
| | - Marina Lacasaña
- Andalusian School of Public Health, Cuesta del Observatorio 4, 18011, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada (Ibs.GRANADA), Granada, Spain
- CIBER of Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Andalusian Health and Environment Observatory (OSMAN), Granada, Spain
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Dar SA, Das S, Hakami MA, Akhter N, Mustafa M, Jawed A, Bhattacharya SN, Banerjee BD, Ahmad A. Organochlorine pesticides disrupt T helper cell regulation and reduce IL-2 and IFN-γ favoring infection and production of autoantibodies among pemphigus patients. Toxicol In Vitro 2024; 95:105764. [PMID: 38101492 DOI: 10.1016/j.tiv.2023.105764] [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: 08/25/2023] [Revised: 11/19/2023] [Accepted: 12/10/2023] [Indexed: 12/17/2023]
Abstract
The list of environmental factors that trigger autoimmune diseases in genetically susceptible individuals has grown in the recent years and is far from complete. The possible intervention of the environment in triggering these diseases is ever more perceived by the clinicians. This study investigated the effect of environmental factors like organochlorine pesticides (OCPs) on proportions of different T lymphocyte subsets and their cytokine secretion in-vitro among pemphigus patients, before and after specific immunosuppressive therapy. Higher levels of OCPs like β-HCH (isoform of hexachlorohexane), α-endosulfan (a form of endosulfan) and p,p΄-DDE (a metabolite of o,p'-dichlorodiphenyltrichloroethane) were observed in the blood of pemphigus patients as compared to healthy controls. HCH and DDT exposure caused specific reduction in CD8+CD45RA+ and CD4+CD25+ T lymphocyte subpopulations in these patient PBMCs. A strong reduction in Th1 (IL-2 and IFN-γ) cytokines upon exposure to these OCPs in-vitro was also observed. These findings indicate that HCH and DDT have a significant impact on Th1 lymphocytes. Impaired production of these cytokines might favor infections and production of autoantibodies. We therefore speculate that the systemic absorption of the pesticide after the topical contact may be one of the factors triggering the immunological mechanism among pemphigus patients.
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Affiliation(s)
- Sajad Ahmad Dar
- Department of Microbiology, University College of Medical Sciences (University of Delhi) & Guru Teg Bahadur Hospital, Delhi 110095, India; Research and Scientific Studies Unit, College of Nursing, Jazan University, Jazan 45142, Saudi Arabia.
| | - Shukla Das
- Department of Microbiology, University College of Medical Sciences (University of Delhi) & Guru Teg Bahadur Hospital, Delhi 110095, India
| | - Mohammed Ageeli Hakami
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Shaqra University, Al- Quwayiyah 19254, Riyadh, Saudi Arabia
| | - Naseem Akhter
- Department of Biology, Arizona State University, Lake Havasu City, AZ 86403, USA
| | - Mohammad Mustafa
- Scientific Research Centre, Prince Sultan Military Medical City, Riyadh 12486, Saudi Arabia
| | - Arshad Jawed
- Research and Scientific Studies Unit, College of Nursing, Jazan University, Jazan 45142, Saudi Arabia
| | - Sambit Nath Bhattacharya
- Department of Dermatology & STD, University College of Medical Sciences (University of Delhi) & Guru Teg Bahadur Hospital, Delhi 110095, India
| | - Basu Dev Banerjee
- Department of Biochemistry, University College of Medical Sciences (University of Delhi) & Guru Teg Bahadur Hospital, Delhi 110095, India
| | - Abrar Ahmad
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
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Cestonaro LV, da Silva ACG, Garcia SC, Valadares MC, Arbo MD. Mitochondrial impairment related to the immunotoxicity of the herbicides clomazone, glyphosate and sulfentrazone in THP-1 cells. Toxicol Res (Camb) 2024; 13:tfae005. [PMID: 38239269 PMCID: PMC10793723 DOI: 10.1093/toxres/tfae005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 11/06/2023] [Accepted: 12/30/2023] [Indexed: 01/22/2024] Open
Abstract
Background Pesticides are indispensable for the cultivation of crops, especially those of economic importance, such as soybeans. Data on the annual use of herbicides in crops show that they correspond to 50%, making it the most used in agriculture. Aim Therefore, the aim of this study was to evaluate the toxicity of the three commercial herbicides (clomazone, glyphosate, and sulfentrazone) in THP-1 cells. Methods Cells were incubated with 0-5,000 mg/L of the herbicides for 24 h at 37 °C for cytotoxicity evaluation. Additionally, a few toxicological pathways such as reactive species generation, mitochondrial impairment, and interleukin profile, which have been previously involved in the toxicity of pesticides, were also evaluated. Results A potential immunotoxic effect of the herbicides on THP-1 cells was observed, especially glyphosate, as it is a powerful agent of cellular immunotoxicity. It was also possible to verify an increase in oxidative stress and IL-8 levels and mitochondrial dysfunction. Conclusion All herbicides showed cytotoxic effects in THP-1 monocytes, which were related to mitochondrial impairment.
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Affiliation(s)
- Larissa Vivan Cestonaro
- Laboratório de Toxicologia, Departamento de Análises, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul - UFRGS, Rua São Luis 150, 3º andar, Santana, 90620-170, Porto Alegre, RS, Brazil
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul - UFRGS, Av. Ipiranga, 2752, 90610-000, Porto Alegre, RS, Brazil
| | - Artur Christian Garcia da Silva
- Laboratório de Ensino e Pesquisa em Toxicologia In Vitro (Tox In), Alameda Flamboyant, Quadra K, Edifício LIFE, Parque Tecnológico Samambaia, Rodovia R2, n. 3.061, Campus Samambaia – Universidade Federal de Goiás, 74690-631, Goiânia, GO, Brazil
| | - Solange Cristina Garcia
- Laboratório de Toxicologia, Departamento de Análises, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul - UFRGS, Rua São Luis 150, 3º andar, Santana, 90620-170, Porto Alegre, RS, Brazil
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul - UFRGS, Av. Ipiranga, 2752, 90610-000, Porto Alegre, RS, Brazil
| | - Marize Campos Valadares
- Laboratório de Ensino e Pesquisa em Toxicologia In Vitro (Tox In), Alameda Flamboyant, Quadra K, Edifício LIFE, Parque Tecnológico Samambaia, Rodovia R2, n. 3.061, Campus Samambaia – Universidade Federal de Goiás, 74690-631, Goiânia, GO, Brazil
| | - Marcelo Dutra Arbo
- Laboratório de Toxicologia, Departamento de Análises, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul - UFRGS, Rua São Luis 150, 3º andar, Santana, 90620-170, Porto Alegre, RS, Brazil
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul - UFRGS, Av. Ipiranga, 2752, 90610-000, Porto Alegre, RS, Brazil
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Bellot P, Bichet C, Brischoux F, Fritsch C, Hope SF, Quesnot A, Angelier F. Experimental investigation of the effect of tebuconazole on three biomarkers of innate immunity in the house sparrow (Passer domesticus). ECOTOXICOLOGY (LONDON, ENGLAND) 2024; 33:119-129. [PMID: 38244180 DOI: 10.1007/s10646-024-02732-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/08/2024] [Indexed: 01/22/2024]
Abstract
Triazoles are among the most widely used fungicides in the world due to their efficacy against fungal crop diseases and their broad spectrum of action. Intensive use of triazoles has resulted in residual contamination in different compartments of agroecosystems and exposes non-target species to potential sublethal effects. Triazoles are known to be immunomodulators in medicine and therapeutic treatments, but very little data is available on their potential effect on immune parameters of non-target vertebrate species living in agroecosystems. In this study, we experimentally examined the impact of tebuconazole on three immune biomarkers (haemagglutination titre (HA), haemolysis titre (HL), and haptoglobin concentration (Hp)), as well as on the body condition of house sparrows (Passer domesticus). Our results suggest that tebuconazole had very little, if any, effect on the studied immune parameters. However, further studies are needed to better assess the effect of tebuconazole on bird immunity because (1) experimental individuals were kept under optimal conditions and the impact of tebuconazole on immunity may occur under suboptimal conditions, (2) only one concentration of tebuconazole was tested and its effect could be dose-dependent and (3) other complementary immunological biomarkers should be studied, given the complexity of the vertebrate immune system. Current knowledge on the potential effects of triazoles on the immunity of wild farmland vertebrates is still largely insufficient. Further physiological and immune studies should be conducted to better understand the effect of triazole fungicides on farmland birds.
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Affiliation(s)
- Pauline Bellot
- Centre d'Etudes Biologiques de Chizé, CNRS, La Rochelle Université, UMR 7372, 79360, Villiers en Bois, France.
| | - Coraline Bichet
- Centre d'Etudes Biologiques de Chizé, CNRS, La Rochelle Université, UMR 7372, 79360, Villiers en Bois, France
| | - François Brischoux
- Centre d'Etudes Biologiques de Chizé, CNRS, La Rochelle Université, UMR 7372, 79360, Villiers en Bois, France
| | - Clémentine Fritsch
- Laboratoire Chrono-Environnement, UMR 6249 CNRS, Université de Franche-Comté, F-25000, Besançon, France
| | - Sydney F Hope
- Centre d'Etudes Biologiques de Chizé, CNRS, La Rochelle Université, UMR 7372, 79360, Villiers en Bois, France
- Department of Psychology, Hunter College, City University of New York, New York, NY, 10065, USA
| | - Alice Quesnot
- Centre d'Etudes Biologiques de Chizé, CNRS, La Rochelle Université, UMR 7372, 79360, Villiers en Bois, France
| | - Frédéric Angelier
- Centre d'Etudes Biologiques de Chizé, CNRS, La Rochelle Université, UMR 7372, 79360, Villiers en Bois, France
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9
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Kim J, Leon ME, Schinasi LH, Baldi I, Lebailly P, Freeman LEB, Nordby KC, Ferro G, Monnereau A, Brouwer M, Kjaerheim K, Hofmann JN, Straif K, Kromhout H, Schüz J, Togawa K. Exposure to pesticides and risk of Hodgkin lymphoma in an international consortium of agricultural cohorts (AGRICOH). Cancer Causes Control 2023; 34:995-1003. [PMID: 37418114 PMCID: PMC10533587 DOI: 10.1007/s10552-023-01748-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 06/26/2023] [Indexed: 07/08/2023]
Abstract
PURPOSE Some pesticides may increase the risk of certain lymphoid malignancies, but few studies have examined Hodgkin lymphoma (HL). In this exploratory study, we examined associations between agricultural use of 22 individual active ingredients and 13 chemical groups and HL incidence. METHODS We used data from three agricultural cohorts participating in the AGRICOH consortium: the French Agriculture and Cancer Cohort (2005-2009), Cancer in the Norwegian Agricultural Population (1993-2011), and the US Agricultural Health Study (1993-2011). Lifetime pesticide use was estimated from crop-exposure matrices or self-report. Cohort-specific covariate-adjusted overall and age-specific (< 40 or ≥ 40 years) hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using Cox regression and combined using random effects meta-analysis. RESULTS Among 316 270 farmers (75% male) accumulating 3 574 815 person-years at risk, 91 incident cases of HL occurred. We did not observe statistically significant associations for any of the active ingredients or chemical groups studied. The highest risks of HL overall were observed for the pyrethroids deltamethrin (meta-HR = 1.86, 95% CI 0.76-4.52) and esfenvalerate (1.86, 0.78-4.43), and inverse associations of similar magnitude were observed for parathion and glyphosate. Risk of HL at ≥ 40 years of age was highest for ever-use of dicamba (2.04, 0.93-4.50) and lowest for glyphosate (0.46, 0.20-1.07). CONCLUSION We report the largest prospective investigation of these associations. Nonetheless, low statistical power, a mixture of histological subtypes and a lack of information on tumour EBV status complicate the interpretability of the results. Most HL cases occurred at older ages, thus we could not explore associations with adolescent or young adult HL. Furthermore, estimates may be attenuated due to non-differential exposure misclassification. Future work should aim to extend follow-up and refine both exposure and outcome classification.
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Affiliation(s)
- Joanne Kim
- Environment and Lifestyle Epidemiology Branch, International Agency for Research On Cancer, IARC/WHO), Lyon, France
| | - Maria E. Leon
- Environment and Lifestyle Epidemiology Branch, International Agency for Research On Cancer, IARC/WHO), Lyon, France
| | - Leah H. Schinasi
- Department of Environmental and Occupational Health, Dornsife School of Public Health, Drexel University, Philadelphia, PA USA
| | - Isabelle Baldi
- Service Santé Travail Environnement, CHU de Bordeaux, Bordeaux, France
| | - Pierre Lebailly
- ANTICIPE, INSERM U1086, Université de Caen Normandie, and Centre de Lutte Contre Le Cancer François Baclesse, Caen, France
| | - Laura E. Beane Freeman
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), Bethesda, MD USA
| | | | - Gilles Ferro
- Environment and Lifestyle Epidemiology Branch, International Agency for Research On Cancer, IARC/WHO), Lyon, France
| | - Alain Monnereau
- Hematological Malignancies Registry of Gironde, Bergonie Institute, Comprehensive Cancer Centre, Bordeaux, France
- EPICENE, INSERM U1219, Université de Bordeaux, Bordeaux, France
| | - Maartje Brouwer
- National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | | | - Jonathan N. Hofmann
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), Bethesda, MD USA
| | - Kurt Straif
- Non-communicable Diseases and Environment Programme, IS Global, Barcelona, Spain
- Global Observatory On Pollution and Health, Boston College, Chestnut Hill, MA USA
| | - Hans Kromhout
- Institute for Risk Assessment Sciences (IRAS), Utrecht University, Utrecht, The Netherlands
| | - Joachim Schüz
- Environment and Lifestyle Epidemiology Branch, International Agency for Research On Cancer, IARC/WHO), Lyon, France
| | - Kayo Togawa
- Environment and Lifestyle Epidemiology Branch, International Agency for Research On Cancer, IARC/WHO), Lyon, France
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10
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Parks CG, Leyzarovich D, Love SA, Long S, Hofmann JN, Beane Freeman LE, Sandler DP. High pesticide exposures events, pesticide poisoning, and shingles: A medicare-linked study of pesticide applicators in the agricultural health study. ENVIRONMENT INTERNATIONAL 2023; 181:108251. [PMID: 37862860 PMCID: PMC10836588 DOI: 10.1016/j.envint.2023.108251] [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: 06/16/2023] [Revised: 09/15/2023] [Accepted: 10/05/2023] [Indexed: 10/22/2023]
Abstract
OBJECTIVES Self-reported shingles was associated with history of high pesticide exposure events (HPEE) in licensed pesticide applicators aged >60 years in the Agricultural Health Study (AHS). In the current study, using AHS-linked Medicare claims data, we examined incident shingles in relation to pesticide-related illness and pesticide poisoning, as well as HPEE. METHODS We studied 22,753 licensed private pesticide applicators (97% white males, enrolled in the AHS 1993-97), aged ≥66 years with >12 consecutive months of Medicare fee-for-service hospital and outpatient coverage between 1999 and 2016. Incident shingles was identified based on having ≥1 shingles claim(s) after 12 months without claims. At AHS enrollment, participants were asked if they ever sought medical care or were hospitalized for pesticide-related illness, and a supplemental questionnaire (completed by 51%) asked about HPEE and poisoning. Hazard ratios (HR) and 95% confidence intervals (CI) were estimated using Cox proportional hazards regression, adjusted for age, sex, race, state, and education. RESULTS Over 192,053 person-years (PY), 2396 applicators were diagnosed with shingles (10.5%; age-standardized rate, 13.6 cases per 1,000PY), with higher rates among those reporting hospitalization for pesticide-related illness, pesticide poisoning, and HPEE (23.2, 22.5, and 16.6 per 1,000PY, respectively). In adjusted models, shingles was associated with hospitalization for pesticide-related illness (HR 1.69; 1.18, 2.39), poisoning (1.49; 1.08, 1.46), and HPEE (1.23; 95% CI = 1.03, 1.46), especially HPEE plus medical care/poisoning (1.78; 1.30, 2.43). CONCLUSION These novel findings suggest that acute, high-level, and clinically impactful pesticide exposures may increase risk of shingles in subsequent years to decades following exposure.
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Affiliation(s)
- Christine G Parks
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA.
| | | | | | | | - Jonathan N Hofmann
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Laura E Beane Freeman
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
| | - Dale P Sandler
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
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11
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Ashraf SA, Mahmood D, Elkhalifa AEO, Siddiqui AJ, Khan MI, Ashfaq F, Patel M, Snoussi M, Kieliszek M, Adnan M. Exposure to pesticide residues in honey and its potential cancer risk assessment. Food Chem Toxicol 2023; 180:114014. [PMID: 37659576 DOI: 10.1016/j.fct.2023.114014] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/14/2023] [Accepted: 08/30/2023] [Indexed: 09/04/2023]
Abstract
Honey is the most recognized natural food by-product derived from flower nectar and the upper aero-digestive tract of the honeybees. Significance of honey for its medicinal importance are well-documented in the world's oldest medical literatures. However, the current urbanization, environmental contaminations and changes in agricultural, as well as apiculture practices has led to various types of contaminations in honey. Among all, pesticide contamination has become one of the major issues worldwide. This review focuses on the recent updates concerning pesticides occurrence in honey, as well as how the repeated use and long-term exposure to honey contaminated with pesticide residues could affect the human physiological functions, possibly leading to the development of various cancers. Our findings suggests that uncontrolled use of pesticides in farming and apiculture practices leads to the occurrence of pesticides residues in honey. Therefore, regular consumption of such honey will pose a serious threat to human health, since most of the pesticides has been reported as potential carcinogens. This review will draw the attention of honey consumers, scientific communities, apiculture farmers, as well as governing bodies to strictly monitor the pesticide usage in floriculture, agriculture as well as other related practices.
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Affiliation(s)
- Syed Amir Ashraf
- Department of Clinical Nutrition, College of Applied Medical Sciences, University of Ha'il, P.O. Box 2440, Ha'il, Saudi Arabia.
| | - Danish Mahmood
- Department of Pharmacology and Toxicology, Unaizah College of Pharmacy, Qassim University, P.O. Box 5888, Unaizah, 51911, Saudi Arabia
| | - Abd Elmoneim O Elkhalifa
- Department of Clinical Nutrition, College of Applied Medical Sciences, University of Ha'il, P.O. Box 2440, Ha'il, Saudi Arabia
| | - Arif Jamal Siddiqui
- Department of Biology, College of Science, University of Ha'il, Ha'il, P.O. Box 2440, Saudi Arabia
| | - Mohammad Idreesh Khan
- Department of Clinical Nutrition, College of Applied Health Sciences in Ar Rass, Qassim University, ArRass, 51921, Saudi Arabia
| | - Fauzia Ashfaq
- Clinical Nutrition Department, Applied Medical Sciences College, Jazan University, Jazan, 82817, Saudi Arabia
| | - Mitesh Patel
- Research and Development Cell, Department of Biotechnology, Parul Institute of Applied Sciences, Parul University, Vadodara, 391760, India
| | - Mejdi Snoussi
- Department of Biology, College of Science, University of Ha'il, Ha'il, P.O. Box 2440, Saudi Arabia
| | - Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 C, 02-776, Warsaw, Poland
| | - Mohd Adnan
- Department of Biology, College of Science, University of Ha'il, Ha'il, P.O. Box 2440, Saudi Arabia.
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12
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La Serra L, Salathiel AM, Lanaro R, Martinis BD, Roselino AM. Measurement of pesticides in hair samples from pemphigus foliaceus and pemphigus vulgaris patients in Southeastern Brazil. An Bras Dermatol 2023; 98:644-650. [PMID: 37208226 PMCID: PMC10404494 DOI: 10.1016/j.abd.2022.10.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/17/2022] [Accepted: 10/31/2022] [Indexed: 05/21/2023] Open
Abstract
BACKGROUND Pesticides, mainly organophosphates (OP), have been related to increased risk of pemphigus vulgaris (PV) and pemphigus foliaceus (PF), nevertheless, their measurement has not been determined in pemphigus patients. OBJECTIVE To evaluate pesticide exposure and pesticide measurement, comparing PV, PF and control groups in Southeastern Brazil. METHODS Information about urban or rural residency and exposure to pesticides at the onset of pemphigus was assessed by questionnaire interview; hair samples from the scalp of PV, PF, and controls were tested for OP and organochlorines (OC) by gas-phase chromatography coupled to mass spectrometry. RESULTS The minority of PV (2 [7.1%] of 28) and PF (7 [18%] of 39), but none of the 48 controls, informed living in rural areas at the onset of pemphigus (p = 0.2853). PV (33.3%), PF (38.5%), and controls (20%) informed exposure to pesticides (p = 0.186). Twenty-one (14.8%) of 142 individuals tested positive for OP and/or OC: PV (2 [6.3%] of 32) and PF (11 [25.6%] of 43) had similar pesticides contamination as controls (8 [11.9%] of 67) (p = 0.4928; p = 0.0753, respectively), but PF presented higher contamination than PV (p = 0.034). PV did not present any positivity for OP. Three (7%) PF tested positive for both OP and OC. Some PF tested positive for three or four OP, mainly diazinon and dichlorvos. STUDY LIMITATION Lack of data for some controls. CONCLUSION Although the frequency of PV and PF patients exposed to pesticides was similar, pesticides were more frequently detected in hair samples from PF compared to PV. The cause-effect relationship still needs to be determined.
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Affiliation(s)
- Leonardo La Serra
- Department of Internal Medicine, Division of Dermatology, University Hospital, Faculty of Medicine of Ribeirão Preto, Ribeirão Preto, SP, Brazil
| | - Adriana Martinelli Salathiel
- Department of Internal Medicine, Division of Dermatology, University Hospital, Faculty of Medicine of Ribeirão Preto, Ribeirão Preto, SP, Brazil
| | - Rafael Lanaro
- Poison Control Center, Faculty of Medical Sciences, State University of Campinas, Campinas, SP, Brazil; Faculty of Pharmaceutical Sciences, State University of Campinas, Campinas, SP, Brazil
| | - Bruno de Martinis
- Department of Chemistry, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Ana Maria Roselino
- Department of Internal Medicine, Division of Dermatology, University Hospital, Faculty of Medicine of Ribeirão Preto, Ribeirão Preto, SP, Brazil.
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13
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Almeida Roque AD, Neto FF, Cosio C, Barjhoux I, Ribeiro CADO, Rioult D. IMMUNOTOXICITY OF RELEVANT MIXTURES OF PESTICIDES AND METABOLITES ON THP-1 CELLS. Toxicology 2023:153557. [PMID: 37236337 DOI: 10.1016/j.tox.2023.153557] [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: 02/06/2023] [Revised: 05/15/2023] [Accepted: 05/24/2023] [Indexed: 05/28/2023]
Abstract
Pesticides are used to combat agricultural pests but also trigger side effects on non-target organisms. Particularly, immune system dysregulation is a major concern due to the organism's increased vulnerability to diseases, including cancer development. Macrophages play essential roles in innate and adaptive immunity and can undergo classical (M1) or alternative (M2) activation. The M1 pro-inflammatory phenotype has an antitumor role, while M2 favors tumor promotion. Although previous studies have linked pesticide exposure to immune compromise, macrophage polarization is still poorly studied. Here, we investigated the effects of 72 h-long exposure to the mixture of four pesticides widely used in Brazil (glyphosate, 2,4-D, mancozeb, and atrazine), and their main metabolites (aminomethylphosphonic acid, 2,4-diclorophenol, ethylenethiourea, and desethylatrazine) on human leukemia monocytic THP-1 cell line at concentrations based on the Acceptable Daily Intake (ADI) value established in the country. The data revealed immunotoxicity related to impaired cell metabolism in all exposed groups, decreased cell attachment (Pes: 10-1; Met: 10-1; Mix: all concentrations), and disturbance in nitric oxide (NO) levels (Met: 10-1, 101; Mix: all concentrations). The polarization of macrophages towards a more pro-tumor M2-like phenotype was also supported by decreased secretion of the pro-inflammatory cytokine TNF-α (Pes 100, 101) and increased IL-8 (Pes 101). These outcomes alert about the risk of pesticide exposure in the Brazilian population.
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Affiliation(s)
- Aliciane De Almeida Roque
- Federal University of Paraná, Department of Cell Biology, Laboratory of Cell Toxicology, PO Box: 19031, CEP: 81531-980, Curitiba, PR, Brazil.
| | - Francisco Filipak Neto
- Federal University of Paraná, Department of Cell Biology, Laboratory of Cell Toxicology, PO Box: 19031, CEP: 81531-980, Curitiba, PR, Brazil
| | - Claudia Cosio
- Université de Reims Champagne-Ardenne, UMR-I 02 INERIS-URCA-ULH SEBIO Stress Environnementaux et BIOsurveillance des milieux aquatiques, 51097 Reims, France
| | - Iris Barjhoux
- Université de Reims Champagne-Ardenne, UMR-I 02 INERIS-URCA-ULH SEBIO Stress Environnementaux et BIOsurveillance des milieux aquatiques, 51097 Reims, France
| | - Ciro Alberto de Oliveira Ribeiro
- Federal University of Paraná, Department of Cell Biology, Laboratory of Cell Toxicology, PO Box: 19031, CEP: 81531-980, Curitiba, PR, Brazil.
| | - Damien Rioult
- Université de Reims Champagne-Ardenne, UMR-I 02 INERIS-URCA-ULH SEBIO Stress Environnementaux et BIOsurveillance des milieux aquatiques, 51097 Reims, France; Université de Reims Champagne-Ardenne, Plateau Technique Mobile de Cytométrie Environnementale MOBICYTE - INERIS, 51097 Reims, France.
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14
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Organophosphate-Pesticide-Mediated Immune Response Modulation in Invertebrates and Vertebrates. Int J Mol Sci 2023; 24:ijms24065360. [PMID: 36982434 PMCID: PMC10049729 DOI: 10.3390/ijms24065360] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 03/14/2023] Open
Abstract
Organophosphate pesticides (OPs) have greatly facilitated food production worldwide, and their use is not limited to agriculture and the control of pests and disease vectors. However, these substances can directly affect the immune response of non-target organisms. In this sense, exposure to OPs can have negative effects on innate and adaptive immunity, promoting deregulation in humoral and cellular processes such as phagocytosis, cytokine expression, antibody production, cell proliferation, and differentiation, which are crucial mechanisms for host defense against external agents. This review focuses on the scientific evidence of exposure to OPs and their toxic effects on the immune system of non-target organisms (invertebrates and vertebrates) from a descriptive perspective of the immuno-toxic mechanisms associated with susceptibility to the development of bacterial, viral, and fungal infectious diseases. During the exhaustive review, we found that there is an important gap in the study of non-target organisms, examples of which are echinoderms and chondrichthyans. It is therefore important to increase the number of studies on other species directly or indirectly affected by Ops, to assess the degree of impact at the individual level and how this affects higher levels, such as populations and ecosystems.
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15
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Kip E, Parr-Brownlie LC. Healthy lifestyles and wellbeing reduce neuroinflammation and prevent neurodegenerative and psychiatric disorders. Front Neurosci 2023; 17:1092537. [PMID: 36875655 PMCID: PMC9975355 DOI: 10.3389/fnins.2023.1092537] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 01/23/2023] [Indexed: 02/17/2023] Open
Abstract
Since the mid-20th century, Western societies have considered productivity and economic outcomes are more important than focusing on people's health and wellbeing. This focus has created lifestyles with high stress levels, associated with overconsumption of unhealthy foods and little exercise, which negatively affect people's lives, and subsequently lead to the development of pathologies, including neurodegenerative and psychiatric disorders. Prioritizing a healthy lifestyle to maintain wellbeing may slow the onset or reduce the severity of pathologies. It is a win-win for everyone; for societies and for individuals. A balanced lifestyle is increasingly being adopted globally, with many doctors encouraging meditation and prescribing non-pharmaceutical interventions to treat depression. In psychiatric and neurodegenerative disorders, the inflammatory response system of the brain (neuroinflammation) is activated. Many risks factors are now known to be linked to neuroinflammation such as stress, pollution, and a high saturated and trans fat diet. On the other hand, many studies have linked healthy habits and anti-inflammatory products with lower levels of neuroinflammation and a reduced risk of neurodegenerative and psychiatric disorders. Sharing risk and protective factors is critical so that individuals can make informed choices that promote positive aging throughout their lifespan. Most strategies to manage neurodegenerative diseases are palliative because neurodegeneration has been progressing silently for decades before symptoms appear. Here, we focus on preventing neurodegenerative diseases by adopting an integrated "healthy" lifestyle approach. This review summarizes the role of neuroinflammation on risk and protective factors of neurodegenerative and psychiatric disorders.
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Affiliation(s)
- Elodie Kip
- Department of Anatomy, School of Biomedical Sciences, Brain Health Research Centre, Brain Research New Zealand, University of Otago, Dunedin, New Zealand
| | - Louise C Parr-Brownlie
- Department of Anatomy, School of Biomedical Sciences, Brain Health Research Centre, Brain Research New Zealand, University of Otago, Dunedin, New Zealand
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16
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Penagos-Tabares F, Sulyok M, Faas J, Krska R, Khiaosa-Ard R, Zebeli Q. Residues of pesticides and veterinary drugs in diets of dairy cattle from conventional and organic farms in Austria. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 316:120626. [PMID: 36370968 DOI: 10.1016/j.envpol.2022.120626] [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: 08/16/2022] [Revised: 10/26/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
Modern agriculture depends highly on pesticides and pharmaceutical preparations, so controlling exposure to these substances in the feed and food chain is essential. This article presents the first study on residues of a broad spectrum of pesticides and veterinary drugs in the diets of dairy cattle. One hundred and two representative samples of the complete diets, including basal feed rations and additional fed concentrate, were collected in three Austrian provinces (Styria, Lower and Upper Austria) in 2019 and 2020. The samples were tested for >700 pesticides, veterinary drugs and related metabolites using a validated method based on liquid chromatography/electrospray ionization-tandem mass spectrometry (LC/ESI-MS/MS). In total, 16 residues (13 pesticides and three veterinary drug residues) were detected. > 90% of the diets contained pesticide residues and <10% veterinary drug residues, whereas banned pesticides were not found. The most frequent pesticide residues were fluopyram (62%), piperonyl butoxide (39%) and diethyltoluamide (35%). The following pesticides exceed the default EU maximum residue level (MRL) (10 μg kg-1) for products exclusively used for animal feed production: Benzovindiflupyr (proportion of samples > MRLs: 1%), bixafen (2%), fluopyram (6%), ipconazole (1%) and tebuconazole (3%). Three residues (dinitrocarbanilide, monensin and nicarbazin) of veterinary drugs were identified, all below the MRLs. Over 60% of the evaluated samples contained mixtures of two to six residues/sample. Only one pesticide (diethyltoluamide) presented a significant difference among regions, with higher concentrations in Upper Austria. Brewery's spent grains were the dietary ingredient that showed the strongest correlation to pesticide residues. These findings evidence the realistic scenario of highly occurrent low doses of pesticides cocktails in the feed/food chain, which may affect the animal, human and environmental health. Since the risk assessments are based on single pesticides, the potential synergistic effect of co-occurring chemicals ("cocktail effect") requires further investigations.
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Affiliation(s)
- Felipe Penagos-Tabares
- Institute of Animal Nutrition and Functional Plant Compounds, University of Veterinary Medicine, Veterinaerplatz 1, Vienna, 1210, Austria.
| | - Michael Sulyok
- University of Natural Resources and Life Sciences, Vienna, Department of Agrobiotechnology IFA-Tulln, Institute of Bioanalytics and Agro-Metabolomics, Konrad Lorenz-Strasse 20, 3430, Tulln, Austria.
| | - Johannes Faas
- DSM - BIOMIN Research Center, Technopark 1, Tulln, 3430, Austria.
| | - Rudolf Krska
- University of Natural Resources and Life Sciences, Vienna, Department of Agrobiotechnology IFA-Tulln, Institute of Bioanalytics and Agro-Metabolomics, Konrad Lorenz-Strasse 20, 3430, Tulln, Austria; Institute for Global Food Security, School of Biological Sciences, Queens University Belfast, University Road, Belfast, BT7 1NN, Northern Ireland, United Kingdom.
| | - Ratchaneewan Khiaosa-Ard
- Institute of Animal Nutrition and Functional Plant Compounds, University of Veterinary Medicine, Veterinaerplatz 1, Vienna, 1210, Austria.
| | - Qendrim Zebeli
- Institute of Animal Nutrition and Functional Plant Compounds, University of Veterinary Medicine, Veterinaerplatz 1, Vienna, 1210, Austria; Christian-Doppler-Laboratory for Innovative Gut Health Concepts in Livestock (CDL-LiveGUT), Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Veterinaerplatz 1, Vienna, 1210, Austria.
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17
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Olisah C, Rubidge G, Human LRD, Adams JB. Tissue distribution, dietary intake and human health risk assessment of organophosphate pesticides in common fish species from South African estuaries. MARINE POLLUTION BULLETIN 2023; 186:114466. [PMID: 36502772 DOI: 10.1016/j.marpolbul.2022.114466] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 11/29/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
This study assessed the tissue distribution, dietary intake, and potential health risks of eight OPPs in Pomadasys commersonnii (Spotted grunter) and Mugil cephalus (Flathead mullet) from the Sundays and Swartkops estuaries in South Africa. The highest concentration in fish tissues was found in muscles of M. cephalus (178 ± 80.4 ng/g ww) and P. commersonnii (591 ± 280 ng/g ww) from Sundays Estuary. The ∑6OPPs concentration in muscles from both fish species was higher in muscles than in the gills with fenitrothion dominating the distribution profile. Results from the path analysis indicate that lipid, weights, and length of the fish species do not influence the concentration of OPPs in the studied fish species. The calculated hazard ratios, which represent the non-carcinogenic risks, were less than one for all OPPs, indicating that the concentration of OPPs detected in fish muscles had negligible consequences on human health.
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Affiliation(s)
- Chijioke Olisah
- DSI/NRF Research Chair, Shallow Water Ecosystems, Nelson Mandela University, PO Box 77000, Gqeberha 6031, South Africa; Department of Botany, Institute for Coastal and Marine Research (CMR), Nelson Mandela University, PO Box 77000, Gqeberha 6031, South Africa; Department of Chemistry, Nelson Mandela University, PO Box 77000, Gqeberha 6031, South Africa.
| | - Gletwyn Rubidge
- Department of Chemistry, Nelson Mandela University, PO Box 77000, Gqeberha 6031, South Africa
| | - Lucienne R D Human
- Department of Botany, Institute for Coastal and Marine Research (CMR), Nelson Mandela University, PO Box 77000, Gqeberha 6031, South Africa; South African Environmental Observation Network (SAEON) Elwandle Coastal Node, PO Box 77000, Gqeberha 6031, South Africa
| | - Janine B Adams
- DSI/NRF Research Chair, Shallow Water Ecosystems, Nelson Mandela University, PO Box 77000, Gqeberha 6031, South Africa; Department of Botany, Institute for Coastal and Marine Research (CMR), Nelson Mandela University, PO Box 77000, Gqeberha 6031, South Africa
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18
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Rural Embodiment and Community Health: an Anthropological Case Study on Biocultural Determinants of Tropical Disease Infection and Immune System Development in the USA. CURRENT TROPICAL MEDICINE REPORTS 2023; 10:26-39. [PMID: 36714157 PMCID: PMC9868515 DOI: 10.1007/s40475-023-00282-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/12/2022] [Indexed: 01/24/2023]
Abstract
Purpose of Review Biocultural methods are critically important for identifying environmental and socioeconomic factors linked with tropical disease risk and outcomes. For example, embodiment theory refers to the process by which lived experiences impact individual biology. Increased exposure to pathogens, chronic psychosocial stress, and unequal resource access are all outcomes linked with discrimination and poverty. Through lived experiences, race and socioeconomic inequality can literally become embodied-get under the skin and affect physiology-impacting immune responses and contributing to lifelong health disparities. Yet, few studies have investigated tropical disease patterns and associated immune function using embodiment theory to understand lasting physiological impacts associated with living in a high-pathogen environment. Recent Findings Here, we use preliminary data drawn from the Rural Embodiment and Community Health (REACH) study to assess whether pathogen exposure and immune stimulation within a sample of children from the Mississippi Delta are associated with household income. We also test whether immune marker levels-assessed with enzyme-linked immunosorbent assays using dried blood spot samples-vary between the REACH sample and a similarly aged nationally representative NHANES sample. Immune marker levels did not differ significantly between REACH participants living below vs. above the federal poverty line, yet immunoglobulin E levels-a marker of macroparasite infection-were higher among REACH study participants compared to the NHANES sample. Summary These results may suggest community-level pathogenic exposures (i.e., parasitic infections) are embodied by REACH participants with implications for long-term immune function, potentially resulting in immune aspects that differ from nationally representative samples. Supplementary Information The online version contains supplementary material available at 10.1007/s40475-023-00282-z.
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Fludioxonil, a phenylpyrrol pesticide, induces Cytoskeleton disruption, DNA damage and apoptosis via oxidative stress on rat glioma cells. Food Chem Toxicol 2022; 170:113464. [DOI: 10.1016/j.fct.2022.113464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/22/2022] [Accepted: 10/06/2022] [Indexed: 11/05/2022]
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20
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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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21
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Maddalon A, Masi M, Iulini M, Linciano P, Galbiati V, Marinovich M, Racchi M, Buoso E, Corsini E. Effects of endocrine active contaminating pesticides on RACK1 expression and immunological consequences in THP-1 cells. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 95:103971. [PMID: 36084878 DOI: 10.1016/j.etap.2022.103971] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 08/15/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
We have previously demonstrated that RACK1, which expression is under steroid hormone control, plays an important role in the activation of immune cells and its expression can be useful to evaluate the immunotoxic profile of endocrine disrupting chemicals (EDCs). Hence, we investigated the effects of three contaminating and persistent pesticides: the fungicide vinclozolin (VIN), the herbicide atrazine (ATR) and the insecticide cypermethrin (CYP) on RACK1 expression and on innate immune response. VIN resulted in modest alteration of RACK1 while ATR and CYP reduced in a dose dependent manner RACK1 expression, ultimately leading to the decrease in lipopolysaccharide-induced IL-8 and TNF-α release and CD86 and CD54 surface marker expression. Moreover, our data indicate that, after exposure to EDCs, alterations of RACK1 expression can also occur with mechanisms not directly mediated by an interaction with a nuclear or membrane steroid receptors. Therefore, RACK1 could represent a useful EDCs screening tool to evaluate their immunotoxic potential and to dissect their mechanisms of action.
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Affiliation(s)
- Ambra Maddalon
- Laboratory of Toxicology, Dipartimento di Scienze Farmacologiche e Biomolecolari, Università Degli Studi di Milano, Via Balzaretti 9, 20133 Milano, Italy
| | - Mirco Masi
- Dipartimento di Scienze del Farmaco, Università Degli Studi di Pavia, Viale Taramelli 12/14, 27100 Pavia, Italy; Scuola Universitaria Superiore IUSS, Piazza della Vittoria 15, 27100 Pavia, Italy
| | - Martina Iulini
- Laboratory of Toxicology, Dipartimento di Scienze Farmacologiche e Biomolecolari, Università Degli Studi di Milano, Via Balzaretti 9, 20133 Milano, Italy
| | - Pasquale Linciano
- Dipartimento di Scienze del Farmaco, Università Degli Studi di Pavia, Viale Taramelli 12/14, 27100 Pavia, Italy
| | - Valentina Galbiati
- Laboratory of Toxicology, Dipartimento di Scienze Farmacologiche e Biomolecolari, Università Degli Studi di Milano, Via Balzaretti 9, 20133 Milano, Italy
| | - Marina Marinovich
- Laboratory of Toxicology, Dipartimento di Scienze Farmacologiche e Biomolecolari, Università Degli Studi di Milano, Via Balzaretti 9, 20133 Milano, Italy
| | - Marco Racchi
- Dipartimento di Scienze del Farmaco, Università Degli Studi di Pavia, Viale Taramelli 12/14, 27100 Pavia, Italy
| | - Erica Buoso
- Dipartimento di Scienze del Farmaco, Università Degli Studi di Pavia, Viale Taramelli 12/14, 27100 Pavia, Italy; Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Emanuela Corsini
- Laboratory of Toxicology, Dipartimento di Scienze Farmacologiche e Biomolecolari, Università Degli Studi di Milano, Via Balzaretti 9, 20133 Milano, Italy
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22
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Girón-Pérez MI, Mary VS, Rubinstein HR, Toledo-Ibarra GA, Theumer MG. Diazinon toxicity in hepatic and spleen mononuclear cells is associated to early induction of oxidative stress. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:2309-2323. [PMID: 34404283 DOI: 10.1080/09603123.2021.1962814] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 07/27/2021] [Indexed: 06/13/2023]
Abstract
Diazinon is an organophosphorus pesticide, which may have potential toxic effects on the liver and immune system; however, the underlying mechanisms remain mostly unidentified. This work is aimed at evaluating the oxidative stress and cell cycle alterations elicited by low-dose diazinon in a rat liver cell line (BRL-3A) and spleen mononuclear cells (SMC) from Wistar rats. Diazinon (10-50 μM) caused early reactive oxygen species (ROS) generation (from 4 h) as well as increased O2•- level (from 0.5 h), which led to subsequent lipid peroxidation at 24 h, in BRL-3A cells. In SMC, diazinon (20 μM) produced similar increases in ROS levels, at 4 and 24 h, with the highest O2•- level being found at 4 h. Low-dose diazinon induced G1-phase arrest and cell death in hepatic cells and SMC. Therefore, diazinon could affect the liver and the immunological system through the premature oxidative stress induction.Abbreviations: O2•-: superoxide anion radical; ROS: reactive oxygen species; SMC: spleen mononuclear cells; TBARS: thiobarbituric acid reactive substances.
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Affiliation(s)
- Manuel Iván Girón-Pérez
- Universidad Autónoma de Nayarit,Secretaría de Investigación Y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco S/n, Cd de La Cultura Amado Nervo, C.P, Tepic, Nayarit, Mexico
| | - Verónica S Mary
- Departamento De Bioquímica Clínica, Facultad De Ciencias Químicas, Universidad Nacional De Córdoba (UNC), Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Centro de Investigaciones En Bioquímica Clínica E Inmunología (CIBICI), Córdoba, Argentina
| | - Héctor R Rubinstein
- Departamento De Bioquímica Clínica, Facultad De Ciencias Químicas, Universidad Nacional De Córdoba (UNC), Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Centro de Investigaciones En Bioquímica Clínica E Inmunología (CIBICI), Córdoba, Argentina
| | - Gladys A Toledo-Ibarra
- Universidad Autónoma de Nayarit,Secretaría de Investigación Y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco S/n, Cd de La Cultura Amado Nervo, C.P, Tepic, Nayarit, Mexico
| | - Martín G Theumer
- Departamento De Bioquímica Clínica, Facultad De Ciencias Químicas, Universidad Nacional De Córdoba (UNC), Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Centro de Investigaciones En Bioquímica Clínica E Inmunología (CIBICI), Córdoba, Argentina
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23
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Sarailoo M, Afshari S, Asghariazar V, Safarzadeh E, Dadkhah M. Cognitive Impairment and Neurodegenerative Diseases Development Associated with Organophosphate Pesticides Exposure: a Review Study. Neurotox Res 2022; 40:1624-1643. [PMID: 36066747 DOI: 10.1007/s12640-022-00552-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/22/2022] [Accepted: 07/27/2022] [Indexed: 10/14/2022]
Abstract
A significant body of literature emphasizes the role of insecticide, particularly organophosphates (OPs), as the major environmental factor in the etiology of neurodegenerative diseases. This review aims to study the relationship between OP insecticide exposure, cognitive impairment, and neurodegenerative disease development. Human populations, especially in developing countries, are frequently exposed to OPs due to their extensive applications. The involvement of various signaling pathways in OP neurotoxicity are reported, but the OP-induced cognitive impairment and link between OP exposure and the pathophysiology of neurodegenerative diseases are not clearly understood. In the present review, we have therefore aimed to come to new conclusions which may help to find protective and preventive strategies against OP neurotoxicity and may establish a possible link between organophosphate exposure, cognitive impairment, and OP-induced neurotoxicity. Moreover, we discuss the findings obtained from animal and human research providing some support for OP-induced cognitive impairment and neurodegenerative disorders.
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Affiliation(s)
- Mehdi Sarailoo
- Students Research Committee, School of Public Health, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Salva Afshari
- Students Research Committee, Pharmacy School, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Vahid Asghariazar
- Deputy of Research & Technology, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Elham Safarzadeh
- Department of Microbiology, Parasitology, and Immunology, Ardabil University of Medical Sciences, Ardabil, Iran.
| | - Masoomeh Dadkhah
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran.
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24
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Shen Y, Zhao E, Zhang W, Baccarelli AA, Gao F. Predicting pesticide dissipation half-life intervals in plants with machine learning models. JOURNAL OF HAZARDOUS MATERIALS 2022; 436:129177. [PMID: 35643003 DOI: 10.1016/j.jhazmat.2022.129177] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 05/04/2022] [Accepted: 05/15/2022] [Indexed: 06/15/2023]
Abstract
Pesticide dissipation half-life in plants is an important factor to assessing environmental fate of pesticides and establishing pre-harvest intervals critical to good agriculture practices. However, empirically measured pesticide dissipation half-lives are highly variable and the accurate prediction with models is challenging. This study utilized a dataset of pesticide dissipation half-lives containing 1363 datapoints, 311 pesticides, 10 plant types, and 4 plant component classes. Novel dissipation half-life intervals were proposed and predicted to account for high variations in empirical data. Four machine learning models (i.e., gradient boosting regression tree [GBRT], random forest [RF], supporting vector classifier [SVC], and logistic regression [LR]) were developed to predict dissipation half-life intervals using extended connectivity fingerprints (ECFP), temperature, plant type, and plant component class as model inputs. GBRT-ECFP had the best model performance with F1-microbinary score of 0.698 ± 0.010 for the binary classification compared with other machine learning models (e.g., LR-ECFP, F1-microbinary= 0.662 ± 0.009). Feature importance analysis of molecular structures in the binary classification identified aromatic rings, carbonyl group, organophosphate, =C-H, and N-containing heterocyclic groups as important substructures related to pesticide dissipation half-lives. This study suggests the utility of machine learning models in assessing the environmental fate of pesticides in agricultural crops.
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Affiliation(s)
- Yike Shen
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032, United States
| | - Ercheng Zhao
- Institute of Plant Protection, Beijing Academy of Agricultural and Forestry Science, Beijing 100097, PR China
| | - Wei Zhang
- Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, Michigan 48823, United States.
| | - Andrea A Baccarelli
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032, United States
| | - Feng Gao
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY 10032, United States.
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25
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Li Z, Duan J, Chen L, Wang Y, Qin Q, Dang X, Zhou Z. Melatonin enhances the antioxidant capacity to rescue the honey bee Apis mellifera from the ecotoxicological effects caused by environmental imidacloprid. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 239:113622. [PMID: 35617898 DOI: 10.1016/j.ecoenv.2022.113622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 05/02/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
Imidacloprid severely poisons the nontarget insect honey bee Apis mellifera. Few treatments are available to mitigate the adverse effects of imidacloprid. The primary concern is that the molecular understanding of imidacloprid toxicity is not comprehensive enough. Oxidative stress is the primary pathophysiological mechanism by which pesticides cause high mortality. Our pilot study found for the first time that imidacloprid stimulates bee brains to secrete melatonin, a free radical scavenger. However, the molecular basis for imidacloprid toxicity and the role of melatonin in coping with imidacloprid have not been systematically investigated in bees. This study administered an environmental dose of imidacloprid (36 ng/bee) orally to A. mellifera. The detoxification gene cytochrome P450 CYP4G11 was significantly induced. However, potent cytotoxicity of imidacloprid suppressed the expression of the antioxidants catalase (CAT) and thioredoxin reductase (TrxR), and the activity of guaiacol peroxidase (GPX), superoxide dismutase (SOD), and reduced glutathione (GSH) was not induced. The levels of reactive oxygen species (ROS) and the lipid peroxidation marker malondialdehyde (MDA) were increased. The expression of the apoptotic genes cysteinyl aspartate specific proteinase (Caspase-3) and apoptosis inducing factor (AIF) increased, and the apoptotic features of midgut cells were prominently apparent. These results suggest that imidacloprid disrupts the bee antioxidant system, causing severe oxidative stress and tissue damage and ultimately leading to apoptosis. Significantly, however, imidacloprid exposure also stimulated bee brains to continuously secrete melatonin. Further preadministration of exogenous melatonin (200 ng/bee) orally to bees significantly reversed and enhanced the activity of the imidacloprid-suppressed antioxidants CAT, SOD, and GSH, which allowed imidacloprid-induced ROS accumulation to be effectively alleviated. The MDA content, apoptotic genes Caspase-3 and AIF, and detoxification gene CYPG411 expression were restored to normalization; midgut cell damage, apoptosis, and mortality were significantly reduced. These findings strongly suggest that melatonin enhanced bee antioxidant capacity, thus attenuating oxidative stress and apoptosis to confer imidacloprid tolerance to honey bees. Melatonin secretion may be a defense mechanism to mitigate imidacloprid toxicity.
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Affiliation(s)
- Zhi Li
- College of Life Sciences, Chongqing Normal University, Chongqing, China; Chongqing Key Laboratory of Animal Biology, China.
| | - Jiaxin Duan
- College of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Lanchun Chen
- College of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Yuedi Wang
- College of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Qiqian Qin
- College of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Xiaoqun Dang
- College of Life Sciences, Chongqing Normal University, Chongqing, China; Chongqing Key Laboratory of Animal Biology, China
| | - Zeyang Zhou
- College of Life Sciences, Chongqing Normal University, Chongqing, China; Chongqing Key Laboratory of Microsporidia Infection and Control, China; The State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
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26
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Liu W, Li C, Li B, Shang Q, Han Z, Zhang Y, Liu X, Fan H, Zhang J, Chen Y, Zhang H. Lactiplantibacillus plantarum P9 improved gut microbial metabolites and alleviated inflammatory response in pesticide exposure cohorts. iScience 2022; 25:104472. [PMID: 35733791 PMCID: PMC9207661 DOI: 10.1016/j.isci.2022.104472] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 04/17/2022] [Accepted: 05/20/2022] [Indexed: 11/25/2022] Open
Abstract
Multiple pesticide residue accumulations increase the probability of chronic metabolic diseases in humans. Thus, we applied multi-omics techniques to reveal how the gut microbiome responded to pesticide exposure. Then, we explored how probiotic Lactiplantibacillus plantarum P9 (P9) consumption impacted the gut microbiota and immune factors after high pesticide exposure. Multi-omics results indicated frequent exposure to pesticides did not alter the composition of the intestinal microbiota, but it did increase the abundance of Lipopolysaccharide in the gut, which might contribute to chronic inflammation. Supplementation with P9 maintained the homeostasis of the gut microbiota and reduced the abundance of pathogens in the high pesticide-exposed subjects. By detecting metabolites, we observed uridine and 5-oxoproline concentrations increased significantly after P9 consumption. Furthermore, P9 alleviated immune factors disorder and promoted pesticide residue excretion. Our findings provide new insights into the application of probiotics for pesticide detoxification, and suggest probiotics as daily supplements for pesticide exposure prevention. High-frequency pesticide exposure induced inflammatory responses to occur P9 maintained gut microbiota homeostasis in subjects with high pesticide exposure P9 significantly increased the level of beneficial metabolites in the subjects P9 reduced inflammatory response and promoted excretion of pesticide residues
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27
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Chittrakul J, Sapbamrer R, Sirikul W. Pesticide Exposure and Risk of Rheumatoid Arthritis: A Systematic Review and Meta-Analysis. TOXICS 2022; 10:toxics10050207. [PMID: 35622621 PMCID: PMC9143500 DOI: 10.3390/toxics10050207] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/13/2022] [Accepted: 04/20/2022] [Indexed: 01/24/2023]
Abstract
Rheumatoid arthritis (RA) is a disease that affects people all over the world and can be caused by a variety of factors. Exposure to pesticides is one of the risk factors for the development of RA. However, the evidence of exposure to pesticides linked with the development of RA is still controversial. This study aimed to investigate the association between exposure to pesticides and RA by a systematic review of relevant literature and a meta-analysis. Full-text articles published in PubMed, Web of Science, Scopus, and Google Scholar between 1956 and 2021 were reviewed and evaluated. A total of eight studies were eligible for inclusion (two cohort studies, four case-control studies, and two cross-sectional studies). The adjusted odds ratio for pesticide exposure on RA was 1.20 for insecticides (95% CI = 1.12–1.28), 0.98 for herbicides (95% CI = 0.89–1.08), 1.04 for fungicides (95% CI = 0.86–1.27), and 1.15 in for non-specific pesticides (95% CI = 1.09–1.21). There is some evidence to suggest that exposure to insecticides (especially fonofos, carbaryl, and guanidines) contributes to an increased risk of RA. However, the evidence is limited because of a small number of studies. Therefore, further epidemiological studies are needed to substantiate this conclusion.
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28
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Organophosphorus Pesticides as Modulating Substances of Inflammation through the Cholinergic Pathway. Int J Mol Sci 2022; 23:ijms23094523. [PMID: 35562914 PMCID: PMC9104626 DOI: 10.3390/ijms23094523] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/12/2022] [Accepted: 04/14/2022] [Indexed: 01/27/2023] Open
Abstract
Organophosphorus pesticides (OPs) are widespread insecticides used for pest control in agricultural activities and the control of the vectors of human and animal diseases. However, OPs’ neurotoxic mechanism involves cholinergic components, which, beyond being involved in the transmission of neuronal signals, also influence the activity of cytokines and other pro-inflammatory molecules; thus, acute and chronic exposure to OPs may be related to the development of chronic degenerative pathologies and other inflammatory diseases. The present article reviews and discusses the experimental evidence linking inflammatory process with OP-induced cholinergic dysregulation, emphasizing the molecular mechanisms related to the role of cytokines and cellular alterations in humans and other animal models, and possible therapeutic targets to inhibit inflammation.
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29
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Paola DD, Capparucci F, Natale S, Crupi R, Cuzzocrea S, Spanò N, Gugliandolo E, Peritore AF. Combined Effects of Potassium Perchlorate and a Neonicotinoid on Zebrafish Larvae (Danio rerio). TOXICS 2022; 10:toxics10050203. [PMID: 35622618 PMCID: PMC9145203 DOI: 10.3390/toxics10050203] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/18/2022] [Accepted: 04/18/2022] [Indexed: 12/19/2022]
Abstract
Imidacloprid (IMI) is part of the neonicotinoids family, insecticides widely used by humans and also found in wastewater. This class of compounds, if present in the environment, can cause toxicity to different species such as bees and gammarids, although little is known about vertebrates such as fish. In addition, several substances have been reported in the environment that can cause damage to aquatic species, such as potassium perchlorate (KClO4), if exposed to high concentrations or for long periods. Often, the co-presence of different contaminants can cause a synergistic action in terms of toxicity to fish. In the present study, we first analyzed different concentrations of IMI (75, 100 and 150 mg/L) and KClO4 (1, 1.5 and 5 mM) to highlight the morphological effects at 96 hpf and, subsequently, chose two nontoxic concentrations to evaluate their co-exposure and the pathway involved in their co-toxicity. Morphological alteration, mucus production, messenger RNA (mRNA) expression related to intestinal function and oxidative stress were measured. These results suggest that co-exposure to IMI and KClO4 could affect zebrafish embryo development by increasing gut toxicity and the alteration of antioxidative defense mechanisms.
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Affiliation(s)
- Davide Di Paola
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy; (D.D.P.); (F.C.); (S.N.); (A.F.P.)
| | - Fabiano Capparucci
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy; (D.D.P.); (F.C.); (S.N.); (A.F.P.)
| | - Sabrina Natale
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy; (D.D.P.); (F.C.); (S.N.); (A.F.P.)
| | - Rosalia Crupi
- Department of Veterinary Science, University of Messina, 98168 Messina, Italy; (R.C.); (E.G.)
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy; (D.D.P.); (F.C.); (S.N.); (A.F.P.)
- Department of Pharmacological and Physiological Science, School of Medicine, Saint Louis University, Saint Louis, MO 63104, USA
- Correspondence: (S.C.); (N.S.); Tel.: +39-90-6765208 (S.C.); +39-90-6765210 (N.S.)
| | - Nunziacarla Spanò
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy
- Correspondence: (S.C.); (N.S.); Tel.: +39-90-6765208 (S.C.); +39-90-6765210 (N.S.)
| | - Enrico Gugliandolo
- Department of Veterinary Science, University of Messina, 98168 Messina, Italy; (R.C.); (E.G.)
| | - Alessio Filippo Peritore
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, 98166 Messina, Italy; (D.D.P.); (F.C.); (S.N.); (A.F.P.)
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30
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Ebedy YA, Elshazly MO, Hassan NH, Ibrahim MA, Hassanen EI. Novel insights into the potential mechanisms underlying carbendazim-induced hepatorenal toxicity in rats. J Biochem Mol Toxicol 2022; 36:e23079. [PMID: 35437878 DOI: 10.1002/jbt.23079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 02/13/2022] [Accepted: 04/01/2022] [Indexed: 12/18/2022]
Abstract
Carbendazim (CBZ) is a common environmental pollutant that can contaminate food and water and severely damage human health. Some studies revealed the adverse effect of CBZ on different organs, but its detailed toxicity mechanism has not been elucidated yet. Thus, the present study aims to clarify the mechanisms of CBZ-induced hepatorenal toxicity in rats. Therefore, we partitioned 40 male Wistar rats into four groups (n = 10): a negative control group and three treatment groups, which received 100, 300, and 600 mg/kg of CBZ. All rats received the treatment daily by oral gavage. We collected blood and organ samples (liver and kidney) at 14 and 28 days postdosing. CBZ caused extensive pathological alterations in both the liver and kidneys, such as cellular degeneration and necrosis accompanied by severe inflammatory reactions in a dose- and time-dependent manner. All the CBZ-treated groups displayed strong tumor necrosis factor-α and nuclear factor-κB (NF-κB) immunopositivity. Additionally, CBZ dose-dependently elevated the alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, urea, and creatinine serum levels and reduced the serum albumin levels. Furthermore, CBZ-induced apoptosis, as indicated by the observed Bax gene upregulation and Bcl-2 gene downregulation in both organs. All these changes may be related to oxidative stress, as indicated by the increase in malondialdehyde levels and the decrease in total antioxidant capacity. Our results demonstrate that CBZ-induced dose- and time-dependent hepatorenal damage through oxidative stress, which activated both the NF-κB signaling pathway and Bcl-based programmed cell death.
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Affiliation(s)
- Yasmin A Ebedy
- Pathology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Mohamed O Elshazly
- Pathology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Neven H Hassan
- Physiology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Marwa A Ibrahim
- Biochemistry Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Eman I Hassanen
- Pathology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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31
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Khayal EES, Alabiad MA, Elkholy MR, Shalaby AM, Nosery Y, El-Sheikh AA. The immune modulatory role of marjoram extract on imidacloprid induced toxic effects in thymus and spleen of adult rats. Toxicology 2022; 471:153174. [PMID: 35398170 DOI: 10.1016/j.tox.2022.153174] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/23/2022] [Accepted: 03/30/2022] [Indexed: 01/24/2023]
Abstract
Imidacloprid (IMID), one of environmental persistent neonicotinoid insecticides, has been used a long time ago and categorized from insecticide induced moderate toxicity by World Health Organization (WHO). Marjoram, is one of the most worldwide used herbs in Egypt due to its antioxidant, anti-inflammatory, anti-genotoxic, anti-mutagenic, anticoagulant, and beneficial effects. This study aimed to evaluate the protective role of marjoram extract on the immunotoxic response and oxidative stress induced by IMID in the immune lymphoid organs (thymus and spleen) of rats. Fifty adult male albino rats were divided randomly into five groups; negative and positive (distilled water) control, marjoram extract (200 mg/kg/day), IMID (22.5 mg/kg/day), marjoram extract + IMID (200 mg/kg +22.5 mg/kg) orally for 8 weeks. Marjoram pretreatment reversed reduced animals body, thymus and spleen weights attributed to IMID. It amended the significantly elevated total leukocytes, neutrophils percentage, increased immunoglobulin G and the significantly reduction of lymphocytes percentage, phagocytic activity, phagocytic index and lysozyme activity induced by IMID. Moreover, marjoram administration significantly reduced thymic and splenic gene expression of interleukin-1β, interleukin-6, tumor necrosis factor-α and increased interleukin-10, in addition, it decreased thymic and splenic contents of malondialdehyde and restored the reduced antioxidant enzymes' activities following IMID exposure. Marjoram ameliorated IMID induced histopathological alterations in thymus and spleen and adjusted IMID immunomodulatory effects by increased the downregulation of CD4 and CD8 immune reactive cell expression. Conclusion, Marjoram has a protective role to reverse IMID immune toxic effects in thymus and spleen tissues of rats by its antioxidant, anti-inflammatory and immunomodulatory defense mechanisms.
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Affiliation(s)
- Eman El-Sayed Khayal
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt.
| | - Mohamed Ali Alabiad
- Pathology Department, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt.
| | - Mahmoud Ramadan Elkholy
- Human Anatomy and Embryology Department, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt.
| | - Amany Mohamed Shalaby
- Histology and Cell Biology Department, Faculty of Medicine, Tanta University, Tanta 31527, Egypt.
| | - Yousef Nosery
- Pathology Department, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt.
| | - Arwa A El-Sheikh
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt.
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Starnes HM, Rock KD, Jackson TW, Belcher SM. A Critical Review and Meta-Analysis of Impacts of Per- and Polyfluorinated Substances on the Brain and Behavior. FRONTIERS IN TOXICOLOGY 2022; 4:881584. [PMID: 35480070 PMCID: PMC9035516 DOI: 10.3389/ftox.2022.881584] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 03/14/2022] [Indexed: 01/09/2023] Open
Abstract
Per- and polyfluoroalkyl substances (PFAS) are a class of structurally diverse synthetic organic chemicals that are chemically stable, resistant to degradation, and persistent in terrestrial and aquatic environments. Widespread use of PFAS in industrial processing and manufacturing over the last 70 years has led to global contamination of built and natural environments. The brain is a lipid rich and highly vascularized organ composed of long-lived neurons and glial cells that are especially vulnerable to the impacts of persistent and lipophilic toxicants. Generally, PFAS partition to protein-rich tissues of the body, primarily the liver and blood, but are also detected in the brains of humans, wildlife, and laboratory animals. Here we review factors impacting the absorption, distribution, and accumulation of PFAS in the brain, and currently available evidence for neurotoxic impacts defined by disruption of neurochemical, neurophysiological, and behavioral endpoints. Emphasis is placed on the neurotoxic potential of exposures during critical periods of development and in sensitive populations, and factors that may exacerbate neurotoxicity of PFAS. While limitations and inconsistencies across studies exist, the available body of evidence suggests that the neurobehavioral impacts of long-chain PFAS exposures during development are more pronounced than impacts resulting from exposure during adulthood. There is a paucity of experimental studies evaluating neurobehavioral and molecular mechanisms of short-chain PFAS, and even greater data gaps in the analysis of neurotoxicity for PFAS outside of the perfluoroalkyl acids. Whereas most experimental studies were focused on acute and subchronic impacts resulting from high dose exposures to a single PFAS congener, more realistic exposures for humans and wildlife are mixtures exposures that are relatively chronic and low dose in nature. Our evaluation of the available human epidemiological, experimental, and wildlife data also indicates heightened accumulation of perfluoroalkyl acids in the brain after environmental exposure, in comparison to the experimental studies. These findings highlight the need for additional experimental analysis of neurodevelopmental impacts of environmentally relevant concentrations and complex mixtures of PFAS.
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Parny M, Coste A, Aubouy A, Rahabi M, Prat M, Pipy B, Treilhou M. Differential immunomodulatory effects of six pesticides of different chemical classes on human monocyte-derived macrophage functions. Food Chem Toxicol 2022; 163:112992. [PMID: 35395341 DOI: 10.1016/j.fct.2022.112992] [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: 12/10/2021] [Revised: 03/04/2022] [Accepted: 04/03/2022] [Indexed: 01/19/2023]
Abstract
Exposure to pesticides through eyes, skin, ingestion and inhalation may affects human health by interfering with immune cells, such as macrophages. We evaluated, in vitro, the effect of six pesticides widely used in apple arboriculture on the functions of human monocyte-derived macrophages (hMDMs). hMDMs were cultured for 4 or 24 h with or without pesticides (0.01, 0.1, 1, 10 μmol.L-1). We showed that chlorpyrifos, thiacloprid, thiophanate, boscalid, and captan had little toxic effect at the tested concentrations, while dithianon had low-cytotoxicity at 10 μmol.L-1. While boscalid showed no effect on hMDMs function, thiophanate (0.01 μmol.L-1) stimulated with TPA and thiacloprid (1, 10 μmol.L-1) stimulated with zymosan activated ROS production. Chlorpyrifos, dithianon, and captan inhibited ROS production and TNF-α, IL-1β pro-inflammatory cytokines. We established that dithianon (0.01-1 μmol.L-1) and captan (0.1, 1 μmol.L-1) induced mRNA expression of NQO1 and HMOX1 antioxidant enzymes. Dithianon also induced the mRNA expression of catalase, superoxide dismutase-2 at 10 μmol.L-1. Together, these results show that exposure to chlorpyrifos, dithianon, and captan induce immunomodulatory effects that may influence the disease fighting properties of monocytes/macrophages while pesticides such as thiacloprid, thiophanate and boscalid have little influence.
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Affiliation(s)
- Melissa Parny
- EA7417, BTSB, Université Fédérale Toulouse Midi-Pyrénées, INU Champollion, Albi, France; PHARMADEV UMR 152, Institut de Recherche pour le Développement (IRD), Université Paul Sabatier Toulouse 3, Toulouse, France.
| | - Agnès Coste
- PHARMADEV UMR 152, Institut de Recherche pour le Développement (IRD), Université Paul Sabatier Toulouse 3, Toulouse, France.
| | - Agnès Aubouy
- PHARMADEV UMR 152, Institut de Recherche pour le Développement (IRD), Université Paul Sabatier Toulouse 3, Toulouse, France.
| | - Mouna Rahabi
- PHARMADEV UMR 152, Institut de Recherche pour le Développement (IRD), Université Paul Sabatier Toulouse 3, Toulouse, France.
| | - Melissa Prat
- PHARMADEV UMR 152, Institut de Recherche pour le Développement (IRD), Université Paul Sabatier Toulouse 3, Toulouse, France.
| | - Bernard Pipy
- PHARMADEV UMR 152, Institut de Recherche pour le Développement (IRD), Université Paul Sabatier Toulouse 3, Toulouse, France.
| | - Michel Treilhou
- EA7417, BTSB, Université Fédérale Toulouse Midi-Pyrénées, INU Champollion, Albi, France.
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Ahmed YH, AbuBakr HO, Ahmad IM, Ahmed ZSO. Histopathological, Immunohistochemical, And Molecular Alterations In Brain Tissue And Submandibular Salivary Gland Of Atrazine-Induced Toxicity In Male Rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:30697-30711. [PMID: 34994930 DOI: 10.1007/s11356-021-18399-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/25/2021] [Indexed: 06/14/2023]
Abstract
Atrazine (ATZ) is herbicide that has been widely used for different crops. This extensive use has resulted in severe deleterious effects in different species. In this work, we investigated the potentially harmful effect of atrazine herbicide on the brain and submandibular salivary gland. Our investigation was carried out on 20 adult male albino rats that were equally divided into two groups. The first group received distilled water as control, while the second group received ATZ at 200 mg/kg body weight/ day via stomach gavage for 30 successive days of the experiment; the oral LD50 for ATZ is 3090 mg/kg. Our findings revealed the ability of ATZ to cause damage to the cerebrum, hippocampus, and submandibular salivary gland. This damage resulted from the induced oxidative stress, which was indicated by a significant elevation in malondialdehyde (MDA) concentration, DNA fragmentation, tumor necrotic factor-alpha (TNF-α) expression, with a significant decrease in reduced glutathione (GSH) level and reduction of B cell lymphoma 2 (BCL2), dopamine receptor D1 (Drd1), cAMP-responsive element-binding protein 1 (Creb1) genes expression after ATZ exposure. Moreover, degeneration of cells, cytoplasmic vacuolation, congestion of blood vessels, a strong immune reaction to caspase 3, and negligible immune expression of a glial fibrillary acidic protein (GFAP) were also noticed in the ATZ-treated group. We concluded that ATZ induces oxidative stress and has a toxic and apoptotic effects on the cerebrum, hippocampus, and salivary gland of adult male albino rats.
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Affiliation(s)
- Yasmine H Ahmed
- Cytology and Histology Department, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Huda O AbuBakr
- Biochemistry and Chemistry of Nutrition Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Ismail M Ahmad
- Biochemistry and Chemistry of Nutrition Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Zainab Sabry Othman Ahmed
- Cytology and Histology Department, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
- King Salman International University, Ras Sudr, South Sinai, Egypt.
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Ali HR, Ali SF, Abd-Algawad RH, Sdeek FA, Arafa M, Kamel E, Shahein MA. Impact of udder infections on biochemical composition of milk in context of pesticides exposure. Vet World 2022; 15:797-808. [PMID: 35497945 PMCID: PMC9047129 DOI: 10.14202/vetworld.2022.797-808] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 02/25/2022] [Indexed: 11/29/2022] Open
Abstract
Background and Aim: Environmental contaminants such as pesticides have shown immunomodulatory effects that can make animals highly susceptible to pathogenic invasion. The current work aims to study the incidence of udder infections in a single dairy herd of 160 cows in Qalyoubia Governorate, in relation to the potential intoxication of dairy cattle with organochlorine (OCs) pesticides. The study also aims to investigate the impact of udder infections on milk composition. Materials and Methods: The dairy herd was screened for udder infections using the California mastitis test and measurement of somatic cell count (SCC), followed by bacteriological and molecular analysis. In parallel, the milk samples were also tested for residues of 15 OCs compounds using gas chromatographic analysis. Results: The examined herd showed a high prevalence of mastitis (37.5%) and Mycoplasma was identified as the main bacterial pathogen. OCs residues were detected in milk of 45 cows out of 160 with a higher incidence in mastitic (43.3%) than in healthy cows (19%). Further, the biochemical analysis of milk showed a significant drop in major electrolytes combined with a significant rise in blood-borne electrolytes (Na and Cl) and total protein. This was more extreme in the case of Mycoplasam mastitis compared to non-Mycoplasma mastitis. In addition, Mycoplasma mastitic milk revealed a high level of malondialdehyde associated with reduced antioxidant enzymes (glutathione peroxidase, superoxide dismutase and catalase), compared to non-Mycoplasma mastitis. Conclusion: Mycoplasma mastitis was shown to be associated with increased SCC and, in turn, appeared significantly correlated with increased biochemical changes in milk, indicating the serious impact of Mycoplasma mastitis on the dairy industry. Our data also show a strong correlation between increased SCC and biochemical changes in milk, suggesting that tested biochemical parameters might serve as potential biomarkers for the early detection of mastitis. The study also suggested a potential relationship between poisoning with OCs and susceptibility to bacterial udder infections. However, further studies are required to examine the immune status of a dairy herd in relation to the level of OCs in cow’s blood, as well as the water sources used, grass forage and soil.
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Affiliation(s)
- Hala R. Ali
- Bacteriology Department, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
| | - Samah F. Ali
- Bacteriology Department, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
| | - Rania H. Abd-Algawad
- Mycoplasma Department, Animal Health Research Institute Agriculture Research Center, Giza, Egypt
| | - Fayza A. Sdeek
- Pesticide Residue Department, CAPL, Agriculture Research Center, Giza, Egypt
| | - Mahmoud Arafa
- Biochemistry and Toxicology Department, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
| | - Essam Kamel
- Biochemistry and Toxicology Department, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
| | - Momtaz A. Shahein
- Department of Virology Research, Animal Health Research Institute, Agriculture Research Center, Giza, Egypt
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Lopes-Ferreira M, Maleski ALA, Balan-Lima L, Bernardo JTG, Hipolito LM, Seni-Silva AC, Batista-Filho J, Falcao MAP, Lima C. Impact of Pesticides on Human Health in the Last Six Years in Brazil. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19063198. [PMID: 35328887 PMCID: PMC8951416 DOI: 10.3390/ijerph19063198] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/26/2022] [Accepted: 01/28/2022] [Indexed: 12/15/2022]
Abstract
Every year, Brazil intensifies its activity in agriculture and, as a result, it has become one of the biggest consumers of pesticides in the world. The high rate of these substances raises environmental and human health concerns. Therefore, we collected papers from PubMed, Scopus, Scielo, and Web of Science databases, from 2015 to 2021. After a blind selection using the software Rayyan QCRI by two authors, 51 studies were included. Researchers from the South and the Southeast Brazilian regions contributed to most publications, from areas that concentrate agricultural commodity complexes. Among the pesticides described in the studies, insecticides, herbicides, and fungicides were the most frequent. The articles reported multiple toxic effects, particularly in rural workers. The results obtained can be used to direct policies to reduce the use of pesticides, and to protect the health of the population.
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Affiliation(s)
- Monica Lopes-Ferreira
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
- Correspondence:
| | - Adolfo Luis Almeida Maleski
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
- Post-Graduation Program of Toxinology, Butantan Institute, São Paulo 05503-009, Brazil
| | - Leticia Balan-Lima
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
| | - Jefferson Thiago Gonçalves Bernardo
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
| | - Lucas Marques Hipolito
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
| | - Ana Carolina Seni-Silva
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
- Post-Graduation Program of Toxinology, Butantan Institute, São Paulo 05503-009, Brazil
| | - Joao Batista-Filho
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
- Post-Graduation Program of Toxinology, Butantan Institute, São Paulo 05503-009, Brazil
| | - Maria Alice Pimentel Falcao
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
| | - Carla Lima
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICs/FAPESP), Butantan Institute, Vital Brazil Avenue, 1500, Butantan, São Paulo 05503-009, Brazil; (A.L.A.M.); (L.B.-L.); (J.T.G.B.); (L.M.H.); (A.C.S.-S.); (J.B.-F.); (M.A.P.F.); (C.L.)
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Sule RO, Condon L, Gomes AV. A Common Feature of Pesticides: Oxidative Stress-The Role of Oxidative Stress in Pesticide-Induced Toxicity. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:5563759. [PMID: 35096268 PMCID: PMC8791758 DOI: 10.1155/2022/5563759] [Citation(s) in RCA: 98] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 12/17/2021] [Indexed: 12/16/2022]
Abstract
Pesticides are important chemicals or biological agents that deter or kill pests. The use of pesticides has continued to increase as it is still considered the most effective method to reduce pests and increase crop growth. However, pesticides have other consequences, including potential toxicity to humans and wildlife. Pesticides have been associated with increased risk of cardiovascular disease, cancer, and birth defects. Labels on pesticides also suggest limiting exposure to these hazardous chemicals. Based on experimental evidence, various types of pesticides all seem to have a common effect, the induction of oxidative stress in different cell types and animal models. Pesticide-induced oxidative stress is caused by both reactive oxygen species (ROS) and reactive nitrogen species (RNS), which are associated with several diseases including cancer, inflammation, and cardiovascular and neurodegenerative diseases. ROS and RNS can activate at least five independent signaling pathways including mitochondrial-induced apoptosis. Limited in vitro studies also suggest that exogenous antioxidants can reduce or prevent the deleterious effects of pesticides.
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Affiliation(s)
- Rasheed O. Sule
- Department of Neurobiology, Physiology and Behavior, University of California, Davis, Davis, CA 95616, USA
| | - Liam Condon
- Department of Neurobiology, Physiology and Behavior, University of California, Davis, Davis, CA 95616, USA
| | - Aldrin V. Gomes
- Department of Neurobiology, Physiology and Behavior, University of California, Davis, Davis, CA 95616, USA
- Department of Physiology and Membrane Biology, University of California, Davis, Davis, CA 95616, USA
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Marino M, Mele E, Viggiano A, Nori SL, Meccariello R, Santoro A. Pleiotropic Outcomes of Glyphosate Exposure: From Organ Damage to Effects on Inflammation, Cancer, Reproduction and Development. Int J Mol Sci 2021; 22:12606. [PMID: 34830483 PMCID: PMC8618927 DOI: 10.3390/ijms222212606] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/07/2021] [Accepted: 11/19/2021] [Indexed: 12/29/2022] Open
Abstract
Glyphosate is widely used worldwide as a potent herbicide. Due to its ubiquitous use, it is detectable in air, water and foodstuffs and can accumulate in human biological fluids and tissues representing a severe human health risk. In plants, glyphosate acts as an inhibitor of the shikimate pathway, which is absent in vertebrates. Due to this, international scientific authorities have long-considered glyphosate as a compound that has no or weak toxicity in humans. However, increasing evidence has highlighted the toxicity of glyphosate and its formulations in animals and human cells and tissues. Thus, despite the extension of the authorization of the use of glyphosate in Europe until 2022, several countries have begun to take precautionary measures to reduce its diffusion. Glyphosate has been detected in urine, blood and maternal milk and has been found to induce the generation of reactive oxygen species (ROS) and several cytotoxic and genotoxic effects in vitro and in animal models directly or indirectly through its metabolite, aminomethylphosphonic acid (AMPA). This review aims to summarize the more relevant findings on the biological effects and underlying molecular mechanisms of glyphosate, with a particular focus on glyphosate's potential to induce inflammation, DNA damage and alterations in gene expression profiles as well as adverse effects on reproduction and development.
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Affiliation(s)
- Marianna Marino
- Dipartimento di Medicina, Chirurgia e Odontoiatria “Scuola Medica Salernitana”, Università degli Studi di Salerno, Via S. Allende, 84081 Baronissi, Italy; (M.M.); (A.V.)
| | - Elena Mele
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy;
| | - Andrea Viggiano
- Dipartimento di Medicina, Chirurgia e Odontoiatria “Scuola Medica Salernitana”, Università degli Studi di Salerno, Via S. Allende, 84081 Baronissi, Italy; (M.M.); (A.V.)
| | - Stefania Lucia Nori
- Dipartimento di Farmacia, Università degli Studi di Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy;
| | - Rosaria Meccariello
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy;
| | - Antonietta Santoro
- Dipartimento di Medicina, Chirurgia e Odontoiatria “Scuola Medica Salernitana”, Università degli Studi di Salerno, Via S. Allende, 84081 Baronissi, Italy; (M.M.); (A.V.)
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Single-Stage Microwave-Assisted Coconut-Shell-Based Activated Carbon for Removal of Dichlorodiphenyltrichloroethane (DDT) from Aqueous Solution: Optimization and Batch Studies. INTERNATIONAL JOURNAL OF CHEMICAL ENGINEERING 2021. [DOI: 10.1155/2021/9331386] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This research aims to optimize preparation conditions of coconut-shell-based activated carbon (CSAC) and to evaluate its adsorption performance in removing POP of dichlorodiphenyltrichloroethane (DDT). The CSAC was prepared by activating the coconut shell via single-stage microwave heating under carbon dioxide, CO2 flow. The total pore volume, BET surface area, and average pore diameter of CSAC were 0.420 cm3/g, 625.61 m2/g, and 4.55 nm, respectively. The surface of CSAC was negatively charged shown by the zeta potential study. Response surface methodology (RSM) revealed that the optimum preparation conditions in preparing CSAC were 502 W and 6 min for radiation power and radiation time, respectively, which corresponded to 84.83% of DDT removal and 37.91% of CSAC’s yield. Adsorption uptakes of DDT were found to increase with an increase in their initial concentration. Isotherm study revealed that DDT-CSAC adsorption system was best described by the Langmuir model with monolayer adsorption capacity, Qm of 14.51 mg/g. The kinetic study confirmed that the pseudo-second-order model fitted well with this adsorption system. In regeneration studies, the adsorption efficiency had slightly dropped from 100% to 83% after 5 cycles. CSAC was found to be economically feasible for commercialization owing to its low production cost and high adsorption capacity.
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Chen J, Liu J, Wu S, Liu W, Xia Y, Zhao J, Yang Y, Wang Y, Peng Y, Zhao S. Atrazine Promoted Epithelial Ovarian Cancer Cells Proliferation and Metastasis by Inducing Low Dose Reactive Oxygen Species (ROS). IRANIAN JOURNAL OF BIOTECHNOLOGY 2021; 19:e2623. [PMID: 34435054 PMCID: PMC8358173 DOI: 10.30498/ijb.2021.2623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Background: Atrazine (ATZ) is a triazine herbicide that is widely used in agriculture and has been detected in surface and underground water. Recently, laboratory and epidemiological research
have found that the bioaccumulation of ATZ in the environment leads to biotoxicity in the human immune and endocrine systems and results in tumor development. Objective: To investigate the effects of ATZ exposure on epithelial ovarian cancer (EOC) cells and elucidate the potential mechanisms governing these effects. Materials and Methods: The human EOC cell lines Skov3 and A2780 were used in this study to explore the effects and mechanisms of ATZ exposure on EOC. The mouse embryonic osteoblastic
precursor MC3T3-E1 cells served as the control cells to determine the effects of ATZ on cancer cell lines. After exposure to ATZ, the MTT assay, flow cytometry,
the colony formation assay, immunohistochemical staining, the cell scratch assay, and the Transwell assay were used to evaluate the proliferative activity, invasion,
and migration capabilities of EOC cell lines. Moreover, flow cytometry was also applied to detect the level of reactive oxygen species (ROS) in these two EOC cell lines,
as well as the MC3T3-E1 cells. To further illustrate the underlying mechanisms governing the effect of ATZ on EOC, real-time PCR and Western blotting were employed to assess
the transcription and the expression level of Stat3 signaling pathway-related genes in Skov3 and MC3T3-E1 cells. Results: The results showed that following ATZ treatment, the cell proliferation, migration, and invasion potencies of Skov3 and A2780 cells were increased compared to those of the
control group. Meanwhile, the ROS levels of EOC and MC3T3-E1 cells were notably elevated after ATZ treatment. In Skov3 cells, the expression levels of p53 and p21 were downregulated,
while those of Cyclin E, vascular endothelial growth factor (VEGF), matrix metallopeptidase 2 (MMP2), MMP9, signal transducers and activators of transcription 3 (Stat3),
and p-Stat3 were upregulated by ATZ treatment. In MC3T3-E1 cells, however, ATZ treatment did not affect the level of p53/p21 mRNA compared to the control groups.
Moreover, there was no significant change in the expression levels of Stat3 and p-Stat3 in MC3T3-E1 cells exposed to ATZ. This phenomenon was observed while the
proliferation rate was enhanced in MC3T3-E1 cells by ATZ. Conclusions: The results of this study suggest that ATZ effectively promotes the proliferation and metastasis of EOC cells through the Stat3 signaling pathway by inducing low levels of ROS.
Additionally, although ATZ might also induce proliferative potential in normal cells, the mechanisms governing its effects in these cells might be different from those in EOC cells.
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Affiliation(s)
- Junyu Chen
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Jian Liu
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Shan Wu
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Wei Liu
- Research Center of Circular Economy and Pollution Prevention and Control, Jilin Academy of Environmental Sciences, Changchun 130021, China
| | - Yang Xia
- Department of Pathology, The Second Hospital of Jilin University, Changchun 130021, China
| | - Jing Zhao
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Yanrong Yang
- Tongji University, School of Medicine, Shanghai 200092, China
| | - Yuan Wang
- School of nursing, Jilin University, Changchun 130021, China
| | - Yuanqing Peng
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Shuhua Zhao
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun 130041, 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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Wang X, Tan Y, Gao M, Liu W, Yu Y. Bioaccessibility dependence of dietary exposure to dichlorodiphenyltrichloroethane and its metabolites and hexachlorocyclohexane isomers and their induced health risk: A case study in Beijing City, China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 281:117065. [PMID: 33872892 DOI: 10.1016/j.envpol.2021.117065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/26/2021] [Accepted: 03/30/2021] [Indexed: 06/12/2023]
Abstract
Bioaccessibility is essential for evaluating dietary intake of contaminants. However, there is insufficient information on the dependence of dietary intake and risk assessment of dichlorodiphenyltrichloroethane and its metabolites (DDXs) and hexachlorocyclohexane isomers (HCHs) on bioaccessibility. Here, we investigated the bioaccessibilities of DDXs and HCHs in various foods and their influences on assessing exposure in the residents of Beijing City, China. Forty-three major foods in five types (fruit, vegetables, cereals, aquatic food, and meat) were sampled, and the bioaccessibility of DDXs and HCHs was evaluated using a static in vitro gastrointestinal digestion model. The bioaccessibility of DDXs in different food types ranked in the order of meat > vegetables > fruit > cereals > aquatic food, with mean ± standard deviation values of 62.2 ± 22.1%, 20.5 ± 10.6%, 12.4 ± 3.66%, 11.2 ± 9.69%, and 10.7 ± 4.97%, respectively. The highest average bioaccessibility of HCHs was found in meat (83.4 ± 14.2%), followed by fruit (41.0 ± 12.5%), vegetables (37.6 ± 18.1%), aquatic foods (24.2 ± 9.22%), and cereals (8.73 ± 4.07%). The estimated daily intakes (EDI) of the sum of DDXs and the sum of HCHs based on the bioaccessible concentration were only about 17% and 55% of the total EDI based on the residual concentration, respectively. Meat was found to play a more important role in EDI after bioaccessibility correction. The proportion of the population with potential non-carcinogenic and carcinogenic risks markedly decreased when considering bioaccessibility. It was concluded that bioaccessibility should be integrated into dietary exposure evaluation.
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Affiliation(s)
- Xuepeng Wang
- School of Environment, Beijing Normal University, Beijing, 100875, PR China
| | - Yixi Tan
- School of Environment, Beijing Normal University, Beijing, 100875, PR China
| | - Miaomiao Gao
- School of Environment, Beijing Normal University, Beijing, 100875, PR China
| | - Wei Liu
- School of Environment, Beijing Normal University, Beijing, 100875, PR China
| | - Yanxin Yu
- School of Environment, Beijing Normal University, Beijing, 100875, PR China.
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43
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Malhotra H, Kaur S, Phale PS. Conserved Metabolic and Evolutionary Themes in Microbial Degradation of Carbamate Pesticides. Front Microbiol 2021; 12:648868. [PMID: 34305823 PMCID: PMC8292978 DOI: 10.3389/fmicb.2021.648868] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Accepted: 06/14/2021] [Indexed: 12/22/2022] Open
Abstract
Carbamate pesticides are widely used as insecticides, nematicides, acaricides, herbicides and fungicides in the agriculture, food and public health sector. However, only a minor fraction of the applied quantity reaches the target organisms. The majority of it persists in the environment, impacting the non-target biota, leading to ecological disturbance. The toxicity of these compounds to biota is mediated through cholinergic and non-cholinergic routes, thereby making their clean-up cardinal. Microbes, specifically bacteria, have adapted to the presence of these compounds by evolving degradation pathways and thus play a major role in their removal from the biosphere. Over the past few decades, various genetic, metabolic and biochemical analyses exploring carbamate degradation in bacteria have revealed certain conserved themes in metabolic pathways like the enzymatic hydrolysis of the carbamate ester or amide linkage, funnelling of aryl carbamates into respective dihydroxy aromatic intermediates, C1 metabolism and nitrogen assimilation. Further, genomic and functional analyses have provided insights on mechanisms like horizontal gene transfer and enzyme promiscuity, which drive the evolution of degradation phenotype. Compartmentalisation of metabolic pathway enzymes serves as an additional strategy that further aids in optimising the degradation efficiency. This review highlights and discusses the conclusions drawn from various analyses over the past few decades; and provides a comprehensive view of the environmental fate, toxicity, metabolic routes, related genes and enzymes as well as evolutionary mechanisms associated with the degradation of widely employed carbamate pesticides. Additionally, various strategies like application of consortia for efficient degradation, metabolic engineering and adaptive laboratory evolution, which aid in improvising remediation efficiency and overcoming the challenges associated with in situ bioremediation are discussed.
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Affiliation(s)
- Harshit Malhotra
- Department of Biosciences and Bioengineering, Indian Institute of Technology-Bombay, Mumbai, India
| | - Sukhjeet Kaur
- Department of Biosciences and Bioengineering, Indian Institute of Technology-Bombay, Mumbai, India
| | - Prashant S Phale
- Department of Biosciences and Bioengineering, Indian Institute of Technology-Bombay, Mumbai, India
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44
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Parks CG, Hofmann JN, Beane Freeman LE, Sandler DP. Agricultural Pesticides and Shingles Risk in a Prospective Cohort of Licensed Pesticide Applicators. ENVIRONMENTAL HEALTH PERSPECTIVES 2021; 129:77005. [PMID: 34319145 PMCID: PMC8317610 DOI: 10.1289/ehp7797] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 06/11/2021] [Accepted: 06/17/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Some pesticides are immunotoxic and have been associated with an increased risk of immune-mediated diseases. The risk of shingles, the clinical reactivation of varicella-zoster virus, increases with aging and immunosuppression; little is known about its associations with pesticides. OBJECTIVE We examined the use of agricultural pesticides in relation to incident shingles in a prospective cohort of licensed pesticide applicators. METHODS The study sample included 12,820 (97% male) farmers (enrolled in 1993-1997 in North Carolina and Iowa), who were followed for a median of 12 y (interquartile range: 11-13). Shingles was self-reported at enrollment and at follow-up. We evaluated ever-use of 48 agricultural pesticides reported at study enrollment in relation to shingles risk and considered exposure-response for intensity-weighted lifetime days (IWLDs) of use. Hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated using Cox proportional hazard models, adjusting for state, and allowing estimates to vary by median attained age (60 y). RESULTS Incident shingles was reported by 590 participants. Associations were positive (HRs>1.2) for ever- vs. never-use of eight insecticides, three fumigants, two fungicides, and five herbicides, and exposure-response trends were seen across increasing quartiles (Q3 and Q4>Q1) or tertiles (T3 and T2>T1) of IWLDs for four insecticides [permethrin (crops), coumaphos, malathion, and lindane], two fumigants (carbon tetrachloride/carbon disulfide and methyl bromide), and three herbicides [alachlor, trifluralin (<60 years of age) and 2,4-dichlorophenoxyacetic acid]. Shingles was not associated with total years or days per year mixed or applied any pesticides, but in older participants, shingles was associated with a history of a high pesticide exposure event [HR=1.89 (95% CI: 1.45, 2.45)]. CONCLUSIONS Several specific pesticides were associated with increased risk of shingles in farmers, especially at higher levels of cumulative use. These novel findings, if replicated in other populations, could have broader implications for the potential effects of pesticides on vaccine efficacy and susceptibility to other infections. https://doi.org/10.1289/EHP7797.
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Affiliation(s)
- Christine G. Parks
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina, USA
| | - Jonathan N. Hofmann
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, USA
| | - Laura E. Beane Freeman
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, USA
| | - Dale P. Sandler
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina, USA
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45
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Maddalon A, Galbiati V, Colosio C, Mandić-Rajčević S, Corsini E. Glyphosate-based herbicides: Evidence of immune-endocrine alteration. Toxicology 2021; 459:152851. [PMID: 34246717 DOI: 10.1016/j.tox.2021.152851] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 06/10/2021] [Accepted: 07/06/2021] [Indexed: 12/28/2022]
Abstract
Glyphosate (G) is the active ingredient of the most widely used herbicide products. It targets the enzyme 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS), which lacks in humans, suggesting to confer a low mammalian toxicity to G-based herbicides (GBHs). Despite this, the use of G is currently under intense debate. Many studies indicating its hazard and toxicity on non-target organisms are emerging, and associations between GBHs and immune-endocrine disturbances have been described. This review aims to investigate, based on recent epidemiological studies and studies performed in vitro and in vivo in animals, the possible association between GBHs and immune-endocrine alterations. Published data suggest that GBHs have endocrine disrupting potentiality targeting sex and thyroid hormones, although its relevance for humans will require further investigations. Evidence of immunotoxicity are limited compared to those on endocrine effects, but overall highlight possible noxious effects, including lung inflammation and rhinitis. An attractive hypothesis could be the one that connects microbiota dysbiosis with possible immune-endocrine outcomes. Indeed, several intestinal microorganisms express the enzyme EPSPS and, studies are emerging that highlight a possible G-induced dysbiosis. Considering the wide use of GBHs in agriculture, further studies investigating their noxious effects at levels relevant for human exposure should be performed. A critical analysis of emerging evidence of G toxicity is required to better characterize its safety profile. In addition, attention should be paid to the differences between G alone and its formulations, which, containing substances able to increase G absorption, may present a different toxicity profile.
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Affiliation(s)
- Ambra Maddalon
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133, Milan, Italy
| | - Valentina Galbiati
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133, Milan, Italy.
| | - Claudio Colosio
- Occupational Health Unit, International Centre for Rural Health, ASST Santi Paolo e Carlo, Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Stefan Mandić-Rajčević
- Occupational Health Unit, International Centre for Rural Health, ASST Santi Paolo e Carlo, Department of Health Sciences, Università degli Studi di Milano, Milan, Italy
| | - Emanuela Corsini
- Laboratory of Toxicology, Department of Environmental and Political Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133, Milan, Italy
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Fathy SM, Abdelkader IY. Effect of resveratrol on the inflammatory status and oxidative stress in thymus gland and spleen of sulfoxaflor-treated rats. ENVIRONMENTAL TOXICOLOGY 2021; 36:1326-1337. [PMID: 33733559 DOI: 10.1002/tox.23129] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 02/09/2021] [Accepted: 03/07/2021] [Indexed: 06/12/2023]
Abstract
Resveratrol (Res), a polyphenolic compound that exerts mitigating consequences against various insults due to its antioxidant, anti-inflammatory, and immunomodulatory properties. Sulfoxaflor (SFX), a neonicotinoid insecticide, has been used worldwide and leading to deleterious effects on the environment and public health. The current study aimed to investigate the protective effect of Res on the inflammatory response and oxidative stress induced by SFX in the thymus and spleen of rats. Thirty-six Sprague Dawley rats were divided randomly into six groups; control group, SFX treated groups (24.8 mg/kg or 79.4 mg/kg/day), Res (alone) treated group (20 mg/kg/day), Res + SFX treated groups (20 mg /kg Res + 24.8 mg/kg SFX or 20 mg/kg Res + 79.4 mg/kg SFX) orally for 28 days. Res treatment reversed the significantly elevated white blood cells' count and the reduced count of red blood corpuscles, platelets as well as hemoglobin content of SFX treated rats. Biochemically, Res administration inhibited the remarkably increased serum levels of the inflammatory cytokines as well as thymic and splenic levels of malondialdehyde following SFX treatment. Res treatment ameliorated the conspicuously reduced antioxidant enzymes' activities due to SFX supplementation. The immunomodulatory effect of Res treatment was detected by suppressing the upregulation of the cluster of differentiation (CD)11b and CD3 gene expressions. Histopathological alterations attributed to SFX administration were ameliorated by Res treatment. In conclusion, Res can be used as a protective agent to counteract SFX toxic effects on lymphatic organs through alleviation of the antioxidant defense mechanism and modulation of the inflammatory response.
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Affiliation(s)
- Samah M Fathy
- Zoology Department, Faculty of Science, Fayoum University, Fayoum, Egypt
| | - Ibrahim Y Abdelkader
- Zoology Department, Faculty of Science, Cairo University, Giza, Egypt
- Faculty of Dentistry, British University in Egypt, Cairo, Egypt
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Moreau J, Monceau K, Crépin M, Tochon FD, Mondet C, Fraikin M, Teixeira M, Bretagnolle V. Feeding partridges with organic or conventional grain triggers cascading effects in life-history traits. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 278:116851. [PMID: 33711629 DOI: 10.1016/j.envpol.2021.116851] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 02/24/2021] [Accepted: 02/26/2021] [Indexed: 06/12/2023]
Abstract
Farmland birds are declining across Europe and North America and the research of factors behind is the subject of extensive researches. Agricultural intensification is now recognized as a major factor governing the loss of biodiversity with strong evidence that pesticides induced direct bird mortality at a high dose. However, less attention has been given to the long-term effects of chronic exposure to low dose of pesticides. Here, we used an experimental procedure in which grey partridges were fed with untreated grains obtained from either organic (no pesticide) or conventional agriculture (with pesticide) for 26 weeks, thus strictly mimicking wild birds foraging on fields. We then examined a suite of life-history traits (ecophysiological and behavioural) that may ultimately, influence population dynamics. We show for the first time that ingesting low pesticide doses over a long period has long-term consequences on several major physiological pathways without inducing differential mortality. Compared to control partridges, birds exposed to chronic doses i) had less developed carotenoid-based ornaments due to lower concentrations of plasmatic carotenoids, ii) had higher activated immune system, iii) showed signs of physiological stress inducing a higher intestinal parasitic load, iv) had higher behavioural activity and body condition and v) showed lower breeding investment. Our results are consistent with a hormetic effect, in which exposure to a low dose of a chemical agent may induce a positive response, but our results also indicate that breeding adults may show impaired fitness traits bearing population consequences through reduced breeding investment or productivity. Given the current scale of use of pesticides in agrosystems, we suggest that such shifts in life-history traits may have a negative long-term impact on wild bird populations across agrosystems. We stress that long-term effects should no longer be ignored in pesticide risk assessment, where currently, only short-term effects are taken into account.
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Affiliation(s)
- Jérôme Moreau
- UMR CNRS 6282 Biogéosciences, Université Bourgogne Franche-Comté, 6 Boulevard Gabriel, 21000, Dijon, France; Centre D'Études Biologiques de Chizé, UMR 7372, CNRS & La Rochelle Université, 79360, Villiers-en-bois, France.
| | - Karine Monceau
- Centre D'Études Biologiques de Chizé, UMR 7372, CNRS & La Rochelle Université, 79360, Villiers-en-bois, France
| | - Malaury Crépin
- Centre D'Études Biologiques de Chizé, UMR 7372, CNRS & La Rochelle Université, 79360, Villiers-en-bois, France
| | - Flavie Derouin Tochon
- Centre D'Études Biologiques de Chizé, UMR 7372, CNRS & La Rochelle Université, 79360, Villiers-en-bois, France
| | - Cécilia Mondet
- Centre D'Études Biologiques de Chizé, UMR 7372, CNRS & La Rochelle Université, 79360, Villiers-en-bois, France
| | - Marie Fraikin
- Centre D'Études Biologiques de Chizé, UMR 7372, CNRS & La Rochelle Université, 79360, Villiers-en-bois, France
| | - Maria Teixeira
- UMR CNRS 6282 Biogéosciences, Université Bourgogne Franche-Comté, 6 Boulevard Gabriel, 21000, Dijon, France
| | - Vincent Bretagnolle
- Centre D'Études Biologiques de Chizé, UMR 7372, CNRS & La Rochelle Université, 79360, Villiers-en-bois, France; LTSER "Zone Atelier Plaine & Val de Sèvre", Villiers-en-Bois, 79360, France
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Nkiliza A, Joshi U, Evans JE, Ait-Ghezala G, Parks M, Crawford F, Mullan M, Abdullah L. Adaptive Immune Responses Associated with the Central Nervous System Pathology of Gulf War Illness. Neurosci Insights 2021; 16:26331055211018458. [PMID: 34104887 PMCID: PMC8155779 DOI: 10.1177/26331055211018458] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 04/26/2021] [Indexed: 11/17/2022] Open
Abstract
Gulf War Illness is a multisymptomatic condition which affects 30% of veterans
from the 1991 Gulf War. While there is evidence for a role of peripheral
cellular and humoral adaptive immune responses in Gulf War Illness, a potential
role of the adaptive immune system in the central nervous system pathology of
this condition remains unknown. Furthermore, many of the clinical features of
Gulf War Illness resembles those of autoimmune diseases, but the biological
processes are likely different as the etiology of Gulf War Illness is linked to
hazardous chemical exposures specific to the Gulf War theatre. This review
discusses Gulf War chemical–induced maladaptive immune responses and a potential
role of cellular and humoral immune responses that may be relevant to the
central nervous system symptoms and pathology of Gulf War Illness. The
discussion may stimulate investigations into adaptive immunity for developing
novel therapies for Gulf War Illness.
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Giambò F, Teodoro M, Costa C, Fenga C. Toxicology and Microbiota: How Do Pesticides Influence Gut Microbiota? A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18115510. [PMID: 34063879 PMCID: PMC8196593 DOI: 10.3390/ijerph18115510] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/07/2021] [Accepted: 05/19/2021] [Indexed: 02/07/2023]
Abstract
In recent years, new targets have been included between the health outcomes induced by pesticide exposure. The gastrointestinal tract is a key physical and biological barrier and it represents a primary site of exposure to toxic agents. Recently, the intestinal microbiota has emerged as a notable factor regulating pesticides’ toxicity. However, the specific mechanisms related to this interaction are not well known. In this review, we discuss the influence of pesticide exposure on the gut microbiota, discussing the factors influencing gut microbial diversity, and we summarize the updated literature. In conclusion, more studies are needed to clarify the host–microbial relationship concerning pesticide exposure and to define new prevention interventions, such as the identification of biomarkers of mucosal barrier function.
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Affiliation(s)
- Federica Giambò
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125 Messina, Italy; (F.G.); (M.T.); (C.F.)
| | - Michele Teodoro
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125 Messina, Italy; (F.G.); (M.T.); (C.F.)
| | - Chiara Costa
- Clinical and Experimental Medicine Department, University of Messina, 98125 Messina, Italy
- Correspondence: ; Tel.: +39-090-2212052
| | - Concettina Fenga
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Occupational Medicine Section, University of Messina, 98125 Messina, Italy; (F.G.); (M.T.); (C.F.)
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50
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Sly PD, Trottier BA, Bulka CM, Cormier SA, Fobil J, Fry RC, Kim KW, Kleeberger S, Kumar P, Landrigan PJ, Lodrop Carlsen KC, Pascale A, Polack F, Ruchirawat M, Zar HJ, Suk WA. The interplay between environmental exposures and COVID-19 risks in the health of children. Environ Health 2021; 20:34. [PMID: 33771185 PMCID: PMC7996114 DOI: 10.1186/s12940-021-00716-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 03/07/2021] [Indexed: 05/05/2023]
Abstract
BACKGROUND An unusual feature of SARS-Cov-2 infection and the COVID-19 pandemic is that children are less severely affected than adults. This is especially paradoxical given the epidemiological links between poor air quality and increased COVID-19 severity in adults and that children are generally more vulnerable than adults to the adverse consequences of air pollution. OBJECTIVES To identify gaps in knowledge about the factors that protect children from severe SARS-Cov-2 infection even in the face of air pollution, and to develop a transdisciplinary research strategy to address these gaps. METHODS An international group of researchers interested in children's environmental health was invited to identify knowledge gaps and to develop research questions to close these gaps. DISCUSSION Key research questions identified include: what are the effects of SAR-Cov-2 infection during pregnancy on the developing fetus and child; what is the impact of age at infection and genetic susceptibility on disease severity; why do some children with COVID-19 infection develop toxic shock and Kawasaki-like symptoms; what are the impacts of toxic environmental exposures including poor air quality, chemical and metal exposures on innate immunity, especially in the respiratory epithelium; what is the possible role of a "dirty" environment in conveying protection - an example of the "hygiene hypothesis"; and what are the long term health effects of SARS-Cov-2 infection in early life. CONCLUSION A concerted research effort by a multidisciplinary team of scientists is needed to understand the links between environmental exposures, especially air pollution and COVID-19. We call for specific research funding to encourage basic and clinical research to understand if/why exposure to environmental factors is associated with more severe disease, why children appear to be protected, and how innate immune responses may be involved. Lessons learned about SARS-Cov-2 infection in our children will help us to understand and reduce disease severity in adults, the opposite of the usual scenario.
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Affiliation(s)
- Peter D Sly
- Children's Health and Environment Program, The University of Queensland, Brisbane, Australia
| | - Brittany A Trottier
- Superfund Research Program, National Institute of Environmental Health Sciences, 530 Davis Drive, Durham, NC, 27709, USA
| | - Catherine M Bulka
- Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, USA
| | - Stephania A Cormier
- LSU Superfund Research Program, Louisiana State University, Baton Rouge, USA
| | - Julius Fobil
- Department of Biological, Environmental and Occupational Health Science, University of Ghana, Accra, Ghana
| | - Rebecca C Fry
- Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, USA
| | - Kyoung-Woong Kim
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, Gwangju, South Korea
| | - Steven Kleeberger
- Immunity, Inflammation, and Disease Laboratory, National Institute of Environmental Health Sciences, Durham, USA
| | | | - Philip J Landrigan
- Schiller Institute for Integrated Science and Society, Boston College, Chestnut Hill, USA
| | - Karin C Lodrop Carlsen
- Division of Paediatric and Adolescent Medicine, University of Oslo & Oslo University Hospital, Oslo, Norway
| | - Antonio Pascale
- Department of Toxicology, Faculty of Medicine, University of the Republic, Montevideo, Uruguay
| | | | | | - Heather J Zar
- Dept of Paediatrics & Child Health and SA-MRC Unit on Child & Adolescent Health, University of Cape Town, Cape Town, South Africa
| | - William A Suk
- Superfund Research Program, National Institute of Environmental Health Sciences, 530 Davis Drive, Durham, NC, 27709, USA.
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