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Schluter HM, Bariami H, Park HL. Potential Role of Glyphosate, Glyphosate-Based Herbicides, and AMPA in Breast Cancer Development: A Review of Human and Human Cell-Based Studies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:1087. [PMID: 39200696 PMCID: PMC11354939 DOI: 10.3390/ijerph21081087] [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: 05/25/2024] [Revised: 08/07/2024] [Accepted: 08/13/2024] [Indexed: 09/02/2024]
Abstract
The potential connection between exposure to glyphosate and glyphosate-based herbicides (GBHs) and breast cancer risk is a topic of research that is rapidly gaining the public's attention due to the conflicting reports surrounding glyphosate's potential carcinogenicity. In this review, we synthesize the current published biomedical literature works that have explored associations of glyphosate, its metabolite, aminomethylphosphonic acid (AMPA), and GBHs with breast cancer risk in humans and human cell-based models. Using PubMed as our search engine, we identified a total of 14 articles that were included in this review. In the four human studies, urinary glyphosate and/or AMPA were associated with breast cancer risk, endocrine disruption, oxidative stress biomarkers, and changes in DNA methylation patterns. Among most of the 10 human cell-based studies, glyphosate exhibited endocrine disruption, induced altered gene expression, increased DNA damage, and altered cell viability, while GBHs were more cytotoxic than glyphosate alone. In summary, numerous studies have shown glyphosate, AMPA, and GBHs to have potential carcinogenic, cytotoxic, or endocrine-disruptive properties. However, more human studies need to be conducted in order for more definitive and supported conclusions to be made on their potential effects on breast cancer risk.
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Affiliation(s)
| | | | - Hannah Lui Park
- Department of Pathology and Laboratory Medicine, University of California, 839 Health Sciences Road, 218 Sprague Hall, Irvine, CA 92697, USA; (H.M.S.); (H.B.)
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2
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Liang Q, Liu BY, Zhang TL, Zhang HJ, Ren YL, Wang HP, Wang H, Wang L. Chronic dietary exposure to glyphosate-induced connexin 43 autophagic degradation contributes to blood-testis barrier disruption in roosters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 951:175606. [PMID: 39159698 DOI: 10.1016/j.scitotenv.2024.175606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2024] [Revised: 08/13/2024] [Accepted: 08/15/2024] [Indexed: 08/21/2024]
Abstract
Glyphosate (GLY) is the most universally used herbicide worldwide and its application has caused extensive pollution to the ecological environment. Increasing evidence has revealed the multi-organ toxicity of GLY in different species, but its male reproductive toxicity in avian species remains unknown. Thus, in vivo and in vitro studies were conducted to clarify this issue. Data firstly showed that chronic GLY exposure caused testicular pathological damage. Intriguingly, we identified and verified a marked down-regulation gap junction gene Connexin 43 (Cx43) in GLY-exposed rooster testis by transcriptome analysis. Cx43 generated by Sertoli cells acts as a key component of blood-testis barrier (BTB). To further investigate the cause of GLY-induced downregulation of Cx43 to disrupt BTB, we found that autophagy activation is revealed in GLY-exposed rooster testis and primary avian Sertoli cells. Moreover, GLY-induced Cx43 downregulation was significantly alleviated by ATG5 knockdown or CQ administration, respectively, demonstrating that GLY-induced autophagy activation contributed to Cx43 degradation. Mechanistically, GLY-induced autophagy activation and resultant Cx43 degradation was due to its direct interaction with ER-α. In summary, these findings demonstrate that chronic GLY exposure activates autophagy to induce Cx43 degradation, which causes BTB damage and resultant reproductive toxicity in roosters.
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Affiliation(s)
- Qing Liang
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China
| | - Bao-You Liu
- Yantai Academy of Agricultural Sciences, Yan'tai City 265500, Shandong Province, China
| | - Tian-Lin Zhang
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China
| | - Hai-Jing Zhang
- New Drug Evaluation Center of Shandong Academy of Pharmaceutical Sciences, Shandong Academy of Pharmaceutical Sciences, 989 Xinluo Street, Ji'nan City 250101, Shandong Province, China
| | - Yu-Long Ren
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China
| | - Hai-Peng Wang
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China
| | - Hao Wang
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China
| | - Lin Wang
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China.
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3
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Panis C, Lemos B. Pesticide exposure and increased breast cancer risk in women population studies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 933:172988. [PMID: 38710391 DOI: 10.1016/j.scitotenv.2024.172988] [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: 02/15/2024] [Revised: 04/30/2024] [Accepted: 05/02/2024] [Indexed: 05/08/2024]
Abstract
Pesticide exposure is emerging as a risk factor for various human diseases. Breast cancer (BC) is a multifactorial disease with known genetic and non-genetic risk factors. Most BC cases are attibutable to non-genetic risk factors, with a history of adverse environmental exposures playing a significant role. Pesticide exposure can occur at higher levels in female populations participating in rural activities such as spraying of pesticides in the field, unprotected handling of pesticides at home, and washing of contaminated clothes. Exposure can also be significant in the drinking water of certain populations. Here, we reviewed the literature on women's exposure to pesticides and the risk of BC. We summarize the main links between pesticide exposure and BC and discuss the role of dose and exposure context, as well as potential mechanisms of toxicity. Overall, reports reviewed here have documented stronger associations between higher levels of exposure and BC risk, including documenting direct and acute pesticide exposure in certain female populations. However, discrepancies among studies regarding dose and mode of exposure may result in misunderstandings about the risks posed by pesticide exposure. Plausible mechanisms linking pesticides to breast cancer risk include their impacts as endocrine disruptors, as well as their roles as genotoxic agents, and modulators of the epigenome. Besides establishing links between pesticide exposure and breast cancer, the literature also highlights the critical need to understand the routes and doses of women's exposure to pesticides and the specific associations and mechanisms that are determinants of disease etiology and prognosis.
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Affiliation(s)
- Carolina Panis
- R Ken Coit College of Pharmacy, The University of Arizona, Tucson, AZ, United States; Laboratory of Tumor Biology, State University of Western Paraná, UNIOESTE, Francisco Beltrão, Paraná, Brazil.
| | - Bernardo Lemos
- R Ken Coit College of Pharmacy, The University of Arizona, Tucson, AZ, United States; Coit Center for Longevity and Neurotherapeutics, The University of Arizona, Tucson, AZ, United States.
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Leblanc PO, Breton Y, Léveillé F, Tessier PA, Pelletier M. The impact of the herbicide glyphosate and its metabolites AMPA and MPA on the metabolism and functions of human blood neutrophils and their sex-dependent effects on reactive oxygen species and CXCL8/IL-8 production. ENVIRONMENTAL RESEARCH 2024; 252:118831. [PMID: 38580005 DOI: 10.1016/j.envres.2024.118831] [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: 02/09/2024] [Revised: 03/21/2024] [Accepted: 03/28/2024] [Indexed: 04/07/2024]
Abstract
Significant levels of glyphosate, the world's most widely used herbicide, and its primary metabolites, AMPA and MPA, are detected in various human organs and body fluids, including blood. Several studies have associated the presence of glyphosate in humans with health problems, and effects on immune cells and their functions have been reported. However, the impact of this molecule and its metabolites on neutrophils, the most abundant leukocytes in the human bloodstream, is still poorly documented. We isolated neutrophils from human donor blood and investigated the effects of exposure to glyphosate, AMPA, and MPA on viability, energy metabolism, and essential antimicrobial functions in vitro. We observed that neutrophil viability was unaffected at the blood-relevant average concentrations of the general population and exposed workers, as well as at higher intoxication concentrations. Neutrophil energy metabolism was also not altered following exposure to the chemicals. However, while phagocytosis was unaffected, reactive oxygen species generation and CXCL8/IL-8 production were altered by exposure to the molecules. Alterations in function following exposure to glyphosate and metabolites differed according to the sex of the donors, which could be linked to glyphosate's known role as an endocrine disruptor. While ROS generation was increased in both sexes, male neutrophils exposed to glyphosate had increased intracellular production of CXCL8/IL-8, with no effect on female neutrophils. Conversely, exposure to the metabolites AMPA and MPA decreased extracellular production of this chemokine only in female neutrophils, with MPA also increasing intracellular production in male cells exposed to the chemoattractant N-formyl-methionine-leucyl-phenylalanine. Our study highlights the effects of glyphosate and its metabolites on the antimicrobial functions of neutrophils, which could be associated with health problems as future studies provide a better understanding of the risks associated with glyphosate use. Advances in knowledge will enable better and potentially stricter regulations to protect the public.
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Affiliation(s)
- Pier-Olivier Leblanc
- Infectious and Immune Diseases Axis, CHU de Québec-Université Laval Research Center, 2705 Boul. Laurier, Québec City, Québec, G1V 4G2, Canada
| | - Yann Breton
- Infectious and Immune Diseases Axis, CHU de Québec-Université Laval Research Center, 2705 Boul. Laurier, Québec City, Québec, G1V 4G2, Canada
| | - Florence Léveillé
- Infectious and Immune Diseases Axis, CHU de Québec-Université Laval Research Center, 2705 Boul. Laurier, Québec City, Québec, G1V 4G2, Canada
| | - Philippe A Tessier
- Infectious and Immune Diseases Axis, CHU de Québec-Université Laval Research Center, 2705 Boul. Laurier, Québec City, Québec, G1V 4G2, Canada; Department of Microbiology-Infectious Diseases and Immunology, Faculty of Medicine, Laval University, 1050 Av. de la Médecine, Québec City, Québec, G1V 0A6, Canada
| | - Martin Pelletier
- Infectious and Immune Diseases Axis, CHU de Québec-Université Laval Research Center, 2705 Boul. Laurier, Québec City, Québec, G1V 4G2, Canada; Department of Microbiology-Infectious Diseases and Immunology, Faculty of Medicine, Laval University, 1050 Av. de la Médecine, Québec City, Québec, G1V 0A6, Canada.
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Chianese T, Trinchese G, Leandri R, De Falco M, Mollica MP, Scudiero R, Rosati L. Glyphosate Exposure Induces Cytotoxicity, Mitochondrial Dysfunction and Activation of ERα and ERβ Estrogen Receptors in Human Prostate PNT1A Cells. Int J Mol Sci 2024; 25:7039. [PMID: 39000147 PMCID: PMC11241661 DOI: 10.3390/ijms25137039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/20/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
Glyphosate, the active ingredient of several broad-spectrum herbicides, is widely used throughout the world, although many adverse effects are known. Among these, it has been recognized as an endocrine disruptor. This work aimed to test the effects and potential endocrine disrupting action of glyphosate on PNT1A human prostate cells, an immortalized non-tumor epithelial cell line, possessing both ERα and ERβ estrogen receptors. The results showed that glyphosate induces cytotoxicity, mitochondrial dysfunction, and rapid activation of ERα and ERβ via nuclear translocation. Molecular analysis indicated a possible involvement of apoptosis in glyphosate-induced cytotoxicology. The apoptotic process could be attributed to alterations in mitochondrial metabolism; therefore, the main parameters of mitochondrial functionality were investigated using the Seahorse analyzer. Impaired mitochondrial function was observed in glyphosate-treated cells, with reductions in ATP production, spare respiratory capacity, and proton leakage, along with increased efficiency of mitochondrial coupling. Finally, the results of immunofluorescence analysis demonstrated that glyphosate acts as an estrogen disruptor determining the nuclear translocation of both ERs. Nuclear translocation occurred independent of dose, faster than the specific hormone, and persisted throughout treatment. In conclusion, the results collected show that in non-tumor prostate cells glyphosate can cause cell death and acts as a xenoestrogen, activating estrogen receptors. The consequent alteration of hormonal functions can have negative effects on the reproductive health of exposed animals, compromising their fertility.
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Affiliation(s)
- Teresa Chianese
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Giovanna Trinchese
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Rebecca Leandri
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Maria De Falco
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
- National Institute of Biostructures and Biosystems (INBB), Viale delle Medaglie d’Oro 305, 00136 Roma, Italy
- BAT Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Napoli Federico II, 80055 Portici, Italy
| | - Maria Pina Mollica
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Rosaria Scudiero
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
- BAT Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Napoli Federico II, 80055 Portici, Italy
| | - Luigi Rosati
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
- BAT Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Napoli Federico II, 80055 Portici, Italy
- CIRAM—Centro Interdipartimentale di Ricerca “Ambiente”, University Federico II, Via Mezzocannone 16, 80134 Napoli, Italy
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6
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Liang Z, Sun X, Guo R, Wang H, Tian Y, Wang Y, Liu Y, Liu S. Association between glyphosate exposure and osteoarthritis in US adults: Especially in people who are obese and inactive in leisure time physical activity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172008. [PMID: 38547993 DOI: 10.1016/j.scitotenv.2024.172008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 03/16/2024] [Accepted: 03/25/2024] [Indexed: 04/09/2024]
Abstract
OBJECTIVE Little has been known on the effect of chronic glyphosate exposure on osteoarthritis (OA). The aim of this study was to investigate the association between glyphosate exposure and OA and to further investigate the different moderating effects of leisure time physical activity (LTPA) and body mass index (BMI) types on the association between glyphosate exposure and OA. METHODS Cross-sectional data from 2540 participants in the 2015-2018 National Health and Nutrition Examination Survey (NHANES) were used to explore the association between glyphosate exposure and OA. Multivariate logistic regression models and restricted cubic spline models were used to investigate the association between glyphosate exposure and OA, and further analyses were conducted to determine the association between glyphosate exposure and OA under different LTPA and BMI types. RESULTS Of the 2540 participants, 346 had OA. Participants with the highest glyphosate concentration (Q4) had a higher incidence of OA compared to participants with the lowest glyphosate concentration (Q1) (OR, 1.88; 95 % confidence interval [CI]: 1.13, 3.13), there was no nonlinear association between glyphosate and OA (non-linear P = 0.343). In the no LTPA group, glyphosate concentration in the Q4 group was correlated with OA (OR, 2.65; 95%CI: 1.27, 5.51). In the obese group, glyphosate concentration in the Q4 group was correlated with OA (OR, 2.74; 95 % CI: 1.48, 5.07). Among people with high BMI and inactive in LTPA, glyphosate concentrations in Q4 were associated with OA (OR, 2.19; 95 % CI: 1.07, 4.48). CONCLUSIONS Glyphosate is associated with OA odd, and physical activity and moderate weight loss can mitigate this association to some degree. This study provides a scientific basis for rational prevention of OA by regulation of LTPA and BMI under glyphosate exposure.
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Affiliation(s)
- Zhuoshuai Liang
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Xiaoyue Sun
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Ruifang Guo
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Hongwei Wang
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Yuyang Tian
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Yujian Wang
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Yawen Liu
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China.
| | - Siyu Liu
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China.
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Mazuryk J, Klepacka K, Kutner W, Sharma PS. Glyphosate: Hepatotoxicity, Nephrotoxicity, Hemotoxicity, Carcinogenicity, and Clinical Cases of Endocrine, Reproductive, Cardiovascular, and Pulmonary System Intoxication. ACS Pharmacol Transl Sci 2024; 7:1205-1236. [PMID: 38751624 PMCID: PMC11092036 DOI: 10.1021/acsptsci.4c00046] [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: 01/30/2024] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 05/18/2024]
Abstract
Glyphosate (GLP) is an active agent of GLP-based herbicides (GBHs), i.e., broad-spectrum and postemergent weedkillers, commercialized by Monsanto as, e.g., Roundup and RangerPro formulants. The GBH crop spraying, dedicated to genetically engineered GLP-resistant crops, has revolutionized modern agriculture by increasing the production yield. However, abusively administered GBHs' ingredients, e.g., GLP, polyoxyethyleneamine, and heavy metals, have polluted environmental and industrial areas far beyond farmlands, causing global contamination and life-threatening risk, which has led to the recent local bans of GBH use. Moreover, preclinical and clinical reports have demonstrated harmful impacts of GLP and other GBH ingredients on the gut microbiome, gastrointestinal tract, liver, kidney, and endocrine, as well as reproductive, and cardiopulmonary systems, whereas carcinogenicity of these herbicides remains controversial. Occupational exposure to GBH dysregulates the hypothalamic-pituitary-adrenal axis, responsible for steroidogenesis and endocrinal secretion, thus affecting hormonal homeostasis, functions of reproductive organs, and fertility. On the other hand, acute intoxication with GBH, characterized by dehydration, oliguria, paralytic ileus, as well as hypovolemic and cardiogenic shock, pulmonary edema, hyperkalemia, and metabolic acidosis, may occur fatally. As no antidote has been developed for GBH poisoning so far, the detoxification is mainly symptomatic and supportive and requires intensive care based on gastric lavage, extracorporeal blood filtering, and intravenous lipid emulsion infusion. The current review comprehensively discusses the molecular and physiological basics of the GLP- and/or GBH-induced diseases of the endocrine and reproductive systems, and cardiopulmonary-, nephro-, and hepatotoxicities, presented in recent preclinical studies and case reports on the accidental or intentional ingestions with the most popular GBHs. Finally, they briefly describe modern and future healthcare methods and tools for GLP detection, determination, and detoxification. Future electronically powered, decision-making, and user-friendly devices targeting major GLP/GBH's modes of actions, i.e., dysbiosis and the inhibition of AChE, shall enable self-handled or point-of-care professional-assisted evaluation of the harm followed with rapid capturing GBH xenobiotics in the body and precise determining the GBH pathology-associated biomarkers levels.
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Affiliation(s)
- Jarosław Mazuryk
- Department
of Electrode Processes, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
- Bio
& Soft Matter, Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1 Place Louis Pasteur, 1348 Louvain-la-Neuve, Belgium
| | - Katarzyna Klepacka
- ENSEMBLE sp. z o. o., 01-919 Warsaw, Poland
- Faculty
of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
| | - Włodzimierz Kutner
- Department
of Electrode Processes, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
- Faculty
of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
| | - Piyush Sindhu Sharma
- Functional
Polymers Research Team, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
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Corton JC, Matteo G, Chorley B, Liu J, Vallanat B, Everett L, Atlas E, Meier MJ, Williams A, Yauk CL. A 50-gene biomarker identifies estrogen receptor-modulating chemicals in a microarray compendium. Chem Biol Interact 2024; 394:110952. [PMID: 38570061 DOI: 10.1016/j.cbi.2024.110952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/01/2024] [Accepted: 03/09/2024] [Indexed: 04/05/2024]
Abstract
High throughput transcriptomics (HTTr) profiling has the potential to rapidly and comprehensively identify molecular targets of environmental chemicals that can be linked to adverse outcomes. We describe here the construction and characterization of a 50-gene expression biomarker designed to identify estrogen receptor (ER) active chemicals in HTTr datasets. Using microarray comparisons, the genes in the biomarker were identified as those that exhibited consistent directional changes when ER was activated (4 ER agonists; 4 ESR1 gene constitutively active mutants) and opposite directional changes when ER was suppressed (4 antagonist treatments; 4 ESR1 knockdown experiments). The biomarker was evaluated as a predictive tool using the Running Fisher algorithm by comparison to annotated gene expression microarray datasets including those evaluating the transcriptional effects of hormones and chemicals in MCF-7 cells. Depending on the reference dataset used, the biomarker had a predictive accuracy for activation of up to 96%. To demonstrate applicability for HTTr data analysis, the biomarker was used to identify ER activators in a set of 15 chemicals that are considered potential bisphenol A (BPA) alternatives examined at up to 10 concentrations in MCF-7 cells and analyzed by full-genome TempO-Seq. Using benchmark dose (BMD) modeling, the biomarker genes stratified the ER potency of BPA alternatives consistent with previous studies. These results demonstrate that the ER biomarker can be used to accurately identify ER activators in transcript profile data derived from MCF-7 cells.
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Affiliation(s)
- J Christopher Corton
- Center for Computational Toxicology and Exposure, US Environmental Protection Agency, Research Triangle Park, NC, 27711, USA.
| | - Geronimo Matteo
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, K1A 0K9, Canada; Department of Biology, University of Ottawa, Ottawa, ON, K1N 6N5, Canada.
| | - Brian Chorley
- Center for Computational Toxicology and Exposure, US Environmental Protection Agency, Research Triangle Park, NC, 27711, USA.
| | - Jie Liu
- Center for Computational Toxicology and Exposure, US Environmental Protection Agency, Research Triangle Park, NC, 27711, USA.
| | - Beena Vallanat
- Center for Computational Toxicology and Exposure, US Environmental Protection Agency, Research Triangle Park, NC, 27711, USA.
| | - Logan Everett
- Center for Computational Toxicology and Exposure, US Environmental Protection Agency, Research Triangle Park, NC, 27711, USA.
| | - Ella Atlas
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, K1A 0K9, Canada.
| | - Matthew J Meier
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, K1A 0K9, Canada.
| | - Andrew Williams
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, K1A 0K9, Canada.
| | - Carole Lyn Yauk
- Department of Biology, University of Ottawa, Ottawa, ON, K1N 6N5, Canada.
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9
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Rosolen APF, Ribeiro RA, Teleken JL, de Oliveira Chaves J, Padilha SC, Goes ME, Morari J, Boschero AC, Balbo SL, Bonfleur ML. Pubertal glyphosate-based herbicide exposure aggravates high-fat diet-induced obesity in female mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:15872-15884. [PMID: 38302837 DOI: 10.1007/s11356-024-32234-z] [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: 11/17/2023] [Accepted: 01/24/2024] [Indexed: 02/03/2024]
Abstract
Glyphosate-based herbicides (GBH) are the most widely used pesticides globally. Studies have indicated that they may increase the risk of various organic dysfunctions. Herein, we verified whether exposure to GBH during puberty increases the susceptibility of male and female mice to obesity when they are fed a high-fat diet (HFD) in adulthood. From the 4th-7th weeks of age, male and female C57Bl/6 mice received water (CTL group) or 50 mg GBH /kg body weight (BW; GBH group). From the 8th-21st weeks of age, the mice were fed a standard diet or a HFD. It was found that pubertal GBH exposure exacerbated BW gains and hyperphagia induced by HFD, but only in female GBH-HFD mice. These female mice also exhibited high accumulation of perigonadal and subcutaneous fat, as well as reduced lean body mass. Both male and female GBH-HFD displayed hypertrophic white adipocytes. However, only in females, pubertal GBH exposure aggravated HFD-induced fat accumulation in brown adipocytes. Furthermore, GBH increased plasma cortisol levels by 80% in GBH-HFD males, and 180% in GBH-HFD females. In conclusion, pubertal GBH exposure aggravated HFD-induced obesity, particularly in adult female mice. This study provides novel evidence that GBH misprograms lipid metabolism, accelerating the development of obesity when individuals are challenged by a second metabolic stressor, such as an obesogenic diet.
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Affiliation(s)
- Ana Paula Farina Rosolen
- Laboratório de Fisiologia Endócrina E Metabolismo (LAFEM), Centro de Ciências Biológicas E da Saúde, Universidade Estadual Do Oeste Do Paraná (UNIOESTE), Cascavel, CEP: 85819-110, Brazil
| | - Rosane Aparecida Ribeiro
- Departamento de Biologia Geral, Setor de Ciências Biológicas E da Saúde, Universidade Estadual de Ponta Grossa (UEPG), Ponta Grossa, PR, Brazil
- Programa de Pós-Graduação Em Produtos Bioativos E Biociências, Universidade Federal Do Rio de Janeiro, Campus UFRJ-Macaé, Macaé, RJ, Brazil
| | - Jakeline Liara Teleken
- Laboratório de Fisiologia Endócrina E Metabolismo (LAFEM), Centro de Ciências Biológicas E da Saúde, Universidade Estadual Do Oeste Do Paraná (UNIOESTE), Cascavel, CEP: 85819-110, Brazil
| | - Janaina de Oliveira Chaves
- Programa de Pós-Graduação Em Produtos Bioativos E Biociências, Universidade Federal Do Rio de Janeiro, Campus UFRJ-Macaé, Macaé, RJ, Brazil
| | - Suellen Camila Padilha
- Laboratório de Fisiologia Endócrina E Metabolismo (LAFEM), Centro de Ciências Biológicas E da Saúde, Universidade Estadual Do Oeste Do Paraná (UNIOESTE), Cascavel, CEP: 85819-110, Brazil
| | - Maria Eduarda Goes
- Laboratório de Fisiologia Endócrina E Metabolismo (LAFEM), Centro de Ciências Biológicas E da Saúde, Universidade Estadual Do Oeste Do Paraná (UNIOESTE), Cascavel, CEP: 85819-110, Brazil
| | - Joseane Morari
- Centro de Pesquisa Em Obesidade E Comorbidades (OCRC), Faculdade de Ciências Médicas (FCM), UNICAMP, Campinas, SP, Brazil
| | - Antonio Carlos Boschero
- Centro de Pesquisa Em Obesidade E Comorbidades (OCRC), Faculdade de Ciências Médicas (FCM), UNICAMP, Campinas, SP, Brazil
| | - Sandra Lucinei Balbo
- Laboratório de Fisiologia Endócrina E Metabolismo (LAFEM), Centro de Ciências Biológicas E da Saúde, Universidade Estadual Do Oeste Do Paraná (UNIOESTE), Cascavel, CEP: 85819-110, Brazil
| | - Maria Lúcia Bonfleur
- Laboratório de Fisiologia Endócrina E Metabolismo (LAFEM), Centro de Ciências Biológicas E da Saúde, Universidade Estadual Do Oeste Do Paraná (UNIOESTE), Cascavel, CEP: 85819-110, Brazil.
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10
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Tóth G, Háhn J, Szabó G, Bakos K, Volner C, Liang X, Göbölös B, Bock I, Szoboszlay S, Urbányi B, Kriszt B, Kaszab E, Szabó I, Csenki Z. In vivo estrogenicity of glyphosate, its formulations, and AMPA on transgenic zebrafish (Danio rerio) embryos. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 342:123113. [PMID: 38072021 DOI: 10.1016/j.envpol.2023.123113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/20/2023] [Accepted: 12/05/2023] [Indexed: 01/26/2024]
Abstract
In this study, the disrupting effects of glyphosate (GLY), aminomethylphosphonic acid (AMPA), and three glyphosate-based herbicides (GBHs) on vitellogenesis in a non-concentration-dependent manner are reported for the first time in 120 h of acute exposure of zebrafish at environmentally relevant concentrations. GBHs are commonly used worldwide in weed control management. Due to their extensive application, they frequently occur in aquatic ecosystems and may affect various organisms. The active substance GLY and its major by-product, AMPA, are the most thoroughly studied chemicals; however, the adverse effects of the complex formulas of GBHs with diverse and unknown content of co-formulants are still not sufficiently researched. This study focused on the embryotoxicity, sublethal malformations, and estrogenic potency of GLY, AMPA, and four commonly used GBHs on zebrafish embryos using a wild type and an estrogen-sensitive, transgenic zebrafish line (Tg(vtg1:mCherry)). After 120 h of exposition, AMPA did not cause acute toxicity, while the LC50 of GLY was 160 mg/L. The GBHs were more toxic with LC50 values ranging from 31 to 111 GLY active equivalent (a.e.) mg/L. Exposure to 0.35-2.8 mg/L GBHs led to sublethal abnormalities: typical symptoms were structural deformation of the lower jaw and anomalies in the olfactory region. Deformity rates were 10-30% in the treated groups. In vivo, fluorescently expressed vtg1 mCherry protein in embryonic liver was detected by a non-invasive microscopic method indicating estrogenic action through vitellogenin production by GLY, AMPA, and GBHs. To confirm the in vivo findings, RT-qPCR method was performed to determine the levels of the estrogenicity-related vtg1 mRNA. After 120 h of exposure to GLY, AMPA, and three GBHs at a concentration of 0.35 mg/L, the expression of vtg1 gene was significantly up-regulated. Our results highlight the risk that short-term GLY and GBH exposure can cause developmental malformations and disrupt the hormonal balance in zebrafish embryos.
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Affiliation(s)
- Gergő Tóth
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Judit Háhn
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Gyula Szabó
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Katalin Bakos
- Premonstratensian St. Norbert High School, Takács Menyhért út 2, H-2100, Gödöllő, Hungary.
| | - Cintia Volner
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Xinyue Liang
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Balázs Göbölös
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Illés Bock
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Sándor Szoboszlay
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Béla Urbányi
- Institute of Aquaculture and Environmental Safety, Department of Aquaculture, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Balázs Kriszt
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Edit Kaszab
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - István Szabó
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Zsolt Csenki
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
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11
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Buchenauer L, Haange SB, Bauer M, Rolle-Kampczyk UE, Wagner M, Stucke J, Elter E, Fink B, Vass M, von Bergen M, Schulz A, Zenclussen AC, Junge KM, Stangl GI, Polte T. Maternal exposure of mice to glyphosate induces depression- and anxiety-like behavior in the offspring via alterations of the gut-brain axis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167034. [PMID: 37709081 DOI: 10.1016/j.scitotenv.2023.167034] [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: 06/19/2023] [Revised: 08/24/2023] [Accepted: 09/11/2023] [Indexed: 09/16/2023]
Abstract
The past decade has been characterized by increased awareness and de-stigmatization of mental health issues, in particular the most common neuropsychiatric disorders depression and anxiety. Further, with growing understanding of neurodevelopmental disorders such as attention deficit and hyperactivity disorder and autism spectrum disorder, the number of diagnosed patients has increased. The pathogenesis of these behavioral disorders is multifactorial and early-life exposure to environmental chemicals has been proposed to be a relevant risk factor that might mediate these effects by disturbances on the gut-brain-axis. However, for glyphosate, the most widely used pesticide worldwide, there are only limited and inconsistent findings that link chronic low-dose exposure in particular during early life to neurobehavioral disorders. Here, we explored the impact of maternal oral glyphosate exposure (0.5 and 50 mg/kg body weight/day) during pregnancy and the lactational period on offspring's behavior, brain gene expression and gut microbiota using a cross-generational mouse model. Behavioral analyses revealed a depression- and anxiety-like behavior as well as social deficits most notably in adult female offspring of glyphosate-exposed dams. Furthermore, the expression of tryptophan hydroxylase 2, an enzyme discussed to be linked to behavioral problems, was reduced in the hippocampus of female offspring and correlated to a glyphosate-induced DNA hypermethylation of the gene. Moreover, maternal glyphosate exposure significantly altered the gut microbiota in the female offspring including a decreased abundance of Akkermansia and increased abundance of Alistipes and Blautia, bacteria involved in tryptophan metabolism and associated with depression- and anxiety-like disorders. Our results suggest that glyphosate might influence the gut-brain axis crosstalk following in-utero and lactational exposure. This study underlines the importance of understanding the impact of exposure to pesticides on the gut-brain axis and further emphasizes the need for microbiome analyses to be compulsorily included in health risk assessments of pesticides.
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Affiliation(s)
- Lisa Buchenauer
- Helmholtz Centre for Environmental Research - UFZ, Department of Environmental Immunology, Leipzig, Germany; University of Leipzig, Leipzig University Medical Center, Department of Dermatology, Venerology and Allergology, Leipzig, Germany
| | - Sven-Bastiaan Haange
- Helmholtz Centre for Environmental Research - UFZ, Department of Molecular Systems Biology, Leipzig, Germany
| | - Mario Bauer
- Helmholtz Centre for Environmental Research - UFZ, Department of Environmental Immunology, Leipzig, Germany
| | - Ulrike E Rolle-Kampczyk
- Helmholtz Centre for Environmental Research - UFZ, Department of Molecular Systems Biology, Leipzig, Germany
| | - Marita Wagner
- Helmholtz Centre for Environmental Research - UFZ, Department of Environmental Immunology, Leipzig, Germany; University of Leipzig, Leipzig University Medical Center, Department of Dermatology, Venerology and Allergology, Leipzig, Germany
| | - Johanna Stucke
- Helmholtz Centre for Environmental Research - UFZ, Department of Environmental Immunology, Leipzig, Germany; University of Leipzig, Leipzig University Medical Center, Department of Dermatology, Venerology and Allergology, Leipzig, Germany
| | - Elena Elter
- Helmholtz Centre for Environmental Research - UFZ, Department of Environmental Immunology, Leipzig, Germany; University of Leipzig, Leipzig University Medical Center, Department of Dermatology, Venerology and Allergology, Leipzig, Germany
| | - Beate Fink
- Helmholtz Centre for Environmental Research - UFZ, Department of Environmental Immunology, Leipzig, Germany
| | - Maren Vass
- University of Leipzig, Leipzig University Medical Center, Department of Dermatology, Venerology and Allergology, Leipzig, Germany
| | - Martin von Bergen
- Helmholtz Centre for Environmental Research - UFZ, Department of Molecular Systems Biology, Leipzig, Germany; University of Leipzig, Faculty of Life Sciences, Institute of Biochemistry, Leipzig, Germany; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany
| | - Angela Schulz
- University of Leipzig, Medical Faculty, Rudolf Schönheimer Institute of Biochemistry, Leipzig, Germany
| | - Ana C Zenclussen
- Helmholtz Centre for Environmental Research - UFZ, Department of Environmental Immunology, Leipzig, Germany; Perinatal Immunology, Saxonian Incubator for Clinical Translation (SIKT), Medical Faculty, University Leipzig, 04103 Leipzig, Germany
| | - Kristin M Junge
- Helmholtz Centre for Environmental Research - UFZ, Department of Environmental Immunology, Leipzig, Germany; AKAD University Stuttgart, School of Health and Social Sciences, Stuttgart, Germany
| | - Gabriele I Stangl
- Institute of Agricultural and Nutritional Sciences, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Tobias Polte
- Helmholtz Centre for Environmental Research - UFZ, Department of Environmental Immunology, Leipzig, Germany; University of Leipzig, Leipzig University Medical Center, Department of Dermatology, Venerology and Allergology, Leipzig, Germany.
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12
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Lu J, Zhang C, Xu W, Chen W, Tao L, Li Z, Cheng J, Zhang Y. Developmental toxicity and estrogenicity of glyphosate in zebrafish in vivo and in silico studies. CHEMOSPHERE 2023; 343:140275. [PMID: 37758082 DOI: 10.1016/j.chemosphere.2023.140275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 09/17/2023] [Accepted: 09/23/2023] [Indexed: 09/30/2023]
Abstract
As the most heavily used herbicide globally, glyphosate (GLY) has been detected in a variety of environments and has raised concerns about its ecological and health effects. There is debate as to whether GLY may disrupt the endocrine system. Here, we investigated the developmental toxicity of GLY in zebrafish based on deep learning-enabled morphometric analysis (DLMA). In addition, the estrogenic activity of GLY was assessed by endocrine disruption prediction, docking study and in vivo experiments. Results showed that exposure to environmental concentrations of GLY negatively impacted zebrafish development, causing yolk edema and pericardial edema. Endocrine disruption prediction suggested that GLY may target estrogen receptors (ER). Molecular docking analysis revealed binding of GLY to three zebrafish ER. In vivo zebrafish experiment, GLY enhanced the protein levels of ERα and the mRNA levels of cyp19a, HSD17b1, vtg1, vtg2, esr1, esr2a and esr2b. These results suggest that GLY may act as an endocrine disruptor by targeting ER, which warrants further attention for its potential toxicity to aquatic animals.
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Affiliation(s)
- Jian Lu
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Cheng Zhang
- Department of Pathology, UT Southwestern Medical Center, Dallas, TX, 75390, United States
| | - Wenping Xu
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Weidong Chen
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Liming Tao
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Zhong Li
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Jiagao Cheng
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Yang Zhang
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China.
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13
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Rana I, Nguyen PK, Rigutto G, Louie A, Lee J, Smith MT, Zhang L. Mapping the key characteristics of carcinogens for glyphosate and its formulations: A systematic review. CHEMOSPHERE 2023; 339:139572. [PMID: 37474029 DOI: 10.1016/j.chemosphere.2023.139572] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 07/16/2023] [Accepted: 07/17/2023] [Indexed: 07/22/2023]
Abstract
Glyphosate was classified as a probable human carcinogen (Group 2A) by the International Agency for Research on Cancer (IARC) partially due to strong mechanistic evidence in 2015. Since then, numerous studies of glyphosate and its formulations (GBF) have emerged. These studies can be evaluated for cancer hazard identification with the newly described ten key characteristics (KC) of carcinogens approach. Our objective was to assess all in vivo, ex vivo, and in vitro mechanistic studies of human and experimental animals (mammals) that compared exposure to glyphosate/GBF with low/no exposure counterparts for evidence of the ten KCs. A protocol with our methods adhering to PRISMA guidelines was registered a priori (INPLASY202180045). Two blinded reviewers screened all in vivo, ex vivo, and in vitro studies of glyphosate/GBF exposure in humans/mammals reporting any KC-related outcome available in PubMed before August 2021. Studies that met inclusion criteria underwent data extraction conducted in duplicate for each KC outcome reported along with key aspects of internal/external validity, results, and reference information. These data were used to construct a matrix that was subsequently analyzed in the program R to conduct strength of evidence and quality assessments. Of the 2537 articles screened, 175 articles met inclusion criteria, from which we extracted >50,000 data points related to KC outcomes. Data analysis revealed strong evidence for KC2, KC4, KC5, KC6, KC8, limited evidence for KC1 and KC3, and inadequate evidence for KC7, KC9, and KC10. Notably, our in-depth quality analyses of genotoxicity (KC2) and endocrine disruption (KC8) revealed strong and consistent positive findings. For KC2, we found: 1) studies conducted in humans and human cells provided stronger positive evidence than counterpart animal models; 2) GBF elicited a stronger effect in both human and animal systems when compared to glyphosate alone; and 3) the highest quality studies in humans and human cells consistently revealed strong evidence of genotoxicity. Our analysis of KC8 indicated that glyphosate's ability to modulate hormone levels and estrogen receptor activity is sensitive to both exposure concentration and formulation. The modulations observed provide clear evidence that glyphosate interacts with receptors, alters receptor activation, and modulates the levels and effects of endogenous ligands (including hormones). Our findings strengthen the mechanistic evidence that glyphosate is a probable human carcinogen and provide biological plausibility for previously reported cancer associations in humans, such as non-Hodgkin lymphoma. We identified potential molecular interactions and subsequent key events that were used to generate a probable pathway to lymphomagenesis.
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Affiliation(s)
- Iemaan Rana
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Patton K Nguyen
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Gabrielle Rigutto
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Allen Louie
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Jane Lee
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Martyn T Smith
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States
| | - Luoping Zhang
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, United States.
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14
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Tajai P, Pruksakorn D, Chattipakorn SC, Chattipakorn N, Shinlapawittayatorn K. Effects of glyphosate-based herbicides and glyphosate exposure on sex hormones and the reproductive system: From epidemiological evidence to mechanistic insights. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 102:104252. [PMID: 37604359 DOI: 10.1016/j.etap.2023.104252] [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: 06/29/2023] [Revised: 08/10/2023] [Accepted: 08/18/2023] [Indexed: 08/23/2023]
Abstract
Glyphosate-based herbicides (GBHs) containing glyphosate as the active component are extensively used worldwide. Concerns have arisen about their potential risk to human, as glyphosate has been detected in human body fluids. Current controversies surround the endocrine-disrupting properties and transgenerational inheritance of diseases and germline epimutations resulting from exposure to GBHs and glyphosate. This review discusses evidence from in vitro, in vivo, and clinical studies on their impact on sex hormone regulation and reproductive system. Evidence suggests that they act as endocrine-disrupting chemicals, which altering sex hormone levels. Mechanistically, they interfere with hormone signaling pathways by disrupting proteins involved in hormone transport and metabolism. Pathological changes have been observed in male and female reproductive systems, potentially leading to reproductive toxicity. Prenatal exposure may lead to transgenerational inheritance of pathologies and sperm epimutations. However, due to the complexity of glyphosate formulations containing adjuvants identifying higher risk components in environmental exposure becomes challenging.
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Affiliation(s)
- Preechaya Tajai
- Department of Forensic Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Dumnoensun Pruksakorn
- Center of Multidisciplinary Technology for Advanced Medicine (CMUTEAM), Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; Musculoskeletal Science and Translational Research (MSTR) Center, Department of Orthopedics, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Siriporn C Chattipakorn
- Center of Excellence in Cardiac Electrophysiology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Nipon Chattipakorn
- Center of Excellence in Cardiac Electrophysiology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; Cardiac Catheterization & Electrophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Krekwit Shinlapawittayatorn
- Center of Excellence in Cardiac Electrophysiology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; Cardiac Catheterization & Electrophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
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15
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Dcunha R, Kumari S, Najar MA, Aravind A, Suvarna KS, Hanumappa A, Mutalik SP, Mutalik S, Kalthur SG, Rajanikant GK, Siddiqui S, Alrumman S, Alamri SAM, Raghu SV, Adiga SK, Kannan N, Thottethodi Subrahmanya KP, Kalthur G. High doses of GrassOut Max poses reproductive hazard by affecting male reproductive function and early embryogenesis in Swiss albino mice. CHEMOSPHERE 2023:139215. [PMID: 37336444 DOI: 10.1016/j.chemosphere.2023.139215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 05/16/2023] [Accepted: 06/12/2023] [Indexed: 06/21/2023]
Abstract
Clethodim is a widely used and approved class II herbicide, with little information about its impact on the reproductive system. Herein, we investigated the male reproductive toxicity of clethodim using a mouse model. GrassOut Max (26% clethodim-equivalent) or 50 mg kg-1 body weight analytical grade clethodim (≥90%) were given orally to male mice for 10 d in varying doses. All parameters were assessed at 35 d from the first day of treatment. Significant decrease in testicular weight, decreased germ cell population, elevated DNA damage in testicular cells and lower serum testosterone level was observed post clethodim-equivalent exposure. Epididymal spermatozoa were characterized with significant decrease in motility, elevated DNA damage, abnormal morphology, chromatin immaturity and, decreased acetylated-lysine of sperm proteins. In the testicular cells of clethodim-equivalent treated mice, the expression of Erβ and Gper was significantly higher. Proteomic analysis revealed lower metabolic activity, poor sperm-oocyte binding potential and defective mitochondrial electron transport in spermatozoa of clethodim-equivalent treated mice. Further, fertilizing ability of spermatozoa was compromised and resulted in defective preimplantation embryo development. Together, our data suggest that clethodim exposure risks male reproductive function and early embryogenesis in Swiss albino mice via endocrine disrupting function.
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Affiliation(s)
- Reyon Dcunha
- Division of Reproductive Biology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Sandhya Kumari
- Division of Reproductive Biology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Mohd Altaf Najar
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Center, Yenepoya (Deemed to be University), Mangalore, 575018, India
| | - Anjana Aravind
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Center, Yenepoya (Deemed to be University), Mangalore, 575018, India
| | - Keerthana Sandesh Suvarna
- Division of Clinical Embryology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Ananda Hanumappa
- Division of Reproductive Biology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Sadhana P Mutalik
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Srinivas Mutalik
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Sneha Guruprasad Kalthur
- Department of Anatomy, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - G K Rajanikant
- School of Biotechnology, National Institute of Technology Calicut, Calicut, Kerala, India
| | - Sazada Siddiqui
- Department of Biology, College of Sciences, King Khalid University, Abha, 11362, Saudi Arabia
| | - Sulaiman Alrumman
- Department of Biology, College of Sciences, King Khalid University, Abha, 11362, Saudi Arabia
| | | | - Shamprasad Varija Raghu
- Neurogenetics Lab, Department of Applied Zoology, Mangalore University, Mangalagangotri, 574199, Karnataka, India
| | - Satish Kumar Adiga
- Division of Clinical Embryology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Nagarajan Kannan
- Division of Experimental Pathology and Laboratory Medicine, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, 55905, USA; Center for Regenerative Medicine, Mayo Clinic, Rochester, MN, 55905, USA; Mayo Clinic Cancer Center, Mayo Clinic, Rochester, MN, 55905, USA
| | | | - Guruprasad Kalthur
- Division of Reproductive Biology, Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India.
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16
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Gomez AL, Altamirano GA, Alcaraz MR, Montemurro M, Schierano-Marotti G, Oddi SL, Culzoni MJ, Muñoz-de-Toro M, Bosquiazzo VL, Kass L. Mammary Gland Development in Male Rats Perinatally Exposed to Propiconazole, Glyphosate, or their Mixture. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 101:104184. [PMID: 37328086 DOI: 10.1016/j.etap.2023.104184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 06/06/2023] [Accepted: 06/12/2023] [Indexed: 06/18/2023]
Abstract
This study aimed to assess whether perinatal exposure to propiconazole (PRO), glyphosate (GLY) or their mixture (PROGLY) alters key endocrine pathways and the development of the male rat mammary gland. To this end, pregnant rats were orally exposed to vehicle, PRO, GLY, or a mixture of PRO and GLY from gestation day 9 until weaning. Male offspring were euthanized on postnatal day (PND) 21 and PND60. On PND21, GLY-exposed rats showed reduced mammary epithelial cell proliferation, whereas PRO-exposed ones showed increased ductal p-Erk1/2 expression without histomorphological alterations. On PND60, GLY-exposed rats showed reduced mammary gland area and estrogen receptor alpha expression and increased aromatase expression, whereas PRO-exposed ones showed enhanced lobuloalveolar development and increased lobular hyperplasia. However, PROGLY did not modify any of the endpoints evaluated. In summary, PRO and GLY modified the expression of key molecules and the development of the male mammary gland individually but not together.
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Affiliation(s)
- Ayelen L Gomez
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Gabriela A Altamirano
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Mirta R Alcaraz
- Laboratorio de Desarrollo Analítico y Quimiometría (LADAQ), Cátedra de Química Analítica I, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Milagros Montemurro
- Laboratorio de Desarrollo Analítico y Quimiometría (LADAQ), Cátedra de Química Analítica I, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Gonzalo Schierano-Marotti
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Sofia L Oddi
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - María J Culzoni
- Laboratorio de Desarrollo Analítico y Quimiometría (LADAQ), Cátedra de Química Analítica I, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Mónica Muñoz-de-Toro
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Verónica L Bosquiazzo
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Laura Kass
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.
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17
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Fabunmi B, Adegaye A, Ogunjo S. Identification and characterization of molecular entities differentially expressed in bacteria genome upon treatment with glyphosate shock. Heliyon 2023; 9:e13868. [PMID: 36950589 PMCID: PMC10025891 DOI: 10.1016/j.heliyon.2023.e13868] [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: 10/18/2022] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 03/15/2023] Open
Abstract
Antimetabolites developed from enzymes in the shikimate pathway are appealing targets. There are, however, certain unidentified molecular entities that show bacterial sensitivity to glyphosate shock. This study aims to identify the expression pattern of such entities following treatment with glyphosate shock and to characterize them structurally and functionally. Understanding such entities' catalytic structure and modulatory role guides the design and development of novel antibiotics. This study's functional profiling of 16S rRNA sequencing data and transcriptome analysis of glyphosate-exposedE. coli revealed that two genes were upregulated and twenty-eight were downregulated after glyphosate shock. We discovered the differential expression of some processes based on functional gene analysis, such as global and overview maps (4.2195 on average), carbohydrate metabolism (0.6858 on average), amino acid metabolism (0.5032 on average), and co-factor and vitamin metabolism (0.5032 on average) (0.2876 on average). After examining the two data sets, we discovered that some unidentified proteins were strongly expressed after glyphosate treatment. After examining the two datasets, we discovered a protein with no unique features expressed when treated with glyphosate. The Ecs2020 model looks to be the most stable in structural modeling investigations, while the catalytic residues sought in drug development are anticipated. Furthermore, biological processes and cellular component enrichment analysis revealed that the differentially expressed genes were strongly related to the trehalose manufacturing process and represented the cell membrane's outer membrane component. To estimate the functional gene content of soil sample metagenomics based on 16S rRNA, predictive functional analysis was done with R using the Tax4Fun2 package. On the other hand, transcriptome analysis was carried out using the R tool GEO2R. The results could be a good starting point for making new antibiotic medicines.
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Affiliation(s)
- B.T. Fabunmi
- Department of Biological Sciences, Achievers University Owo, Ondo State, Nigeria
- Corresponding author.
| | - A.C. Adegaye
- Department of Crop, Soil and Pest Management, Federal University of Technology, Akure, Nigeria
| | - S.T. Ogunjo
- Department of Physics, Federal University of Technology, Akure, Nigeria
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18
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Lacroix R, Kurrasch DM. Glyphosate Toxicity: In Vivo, In Vitro, and Epidemiological Evidence. Toxicol Sci 2023; 192:kfad018. [PMID: 36857578 DOI: 10.1093/toxsci/kfad018] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023] Open
Abstract
Glyphosate is the most applied agricultural chemical worldwide and has become nearly ubiquitous throughout the environment. Glyphosate is an effective herbicide because it disrupts the shikimate pathway, which is responsible for the synthesis of essential amino acids in plants and microorganisms. Given that there is no known target for glyphosate in higher animals, its toxicity to humans and other animals is heavily debated, especially after the 2015 IARC ruling that glyphosate is carcinogenic. Today, a growing body of literature shows in vitro, in vivo, and epidemiological evidence for the toxicity of glyphosate across animal species. With the application of glyphosate increasing globally, it is important to discuss these reports to enable a broader conversation on glyphosate toxicity and its impact on human and environmental health. Here, we summarize the recent glyphosate literature and discuss its implications.
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Affiliation(s)
- Rachel Lacroix
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute (ACHRI), Calgary, AB, Canada
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Deborah M Kurrasch
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Alberta Children's Hospital Research Institute (ACHRI), Calgary, AB, Canada
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
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19
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Altamirano GA, Masat E, Rivera O, Alarcón R, Dioguardi G, Muñoz-de-Toro M, Luque EH, Kass L. Postnatal exposure to a glyphosate-based herbicide interferes with the development and growth of the mammary gland of pre-pubertal Ewe lambs. CHEMOSPHERE 2023; 313:137358. [PMID: 36427587 DOI: 10.1016/j.chemosphere.2022.137358] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 11/07/2022] [Accepted: 11/21/2022] [Indexed: 06/16/2023]
Abstract
The aim of the present study was to evaluate whether early postnatal exposure to a glyphosate-based herbicide (GBH) alters pre-pubertal mammary development in Friesian lambs. To this end, from postnatal day 1-14, ewe lambs were exposed subcutaneously or orally to GBH (2 mg/kg bw/day) or vehicle (control) and mammary gland biopsies were obtained at 45 days of age. GBH-exposed lambs exhibited larger mammary ducts and less area occupied by terminal duct lobular units than controls, accompanied by an increase in the area of adipocytes in the mammary stroma. Lambs subcutaneously exposed to GBH showed increased protein expression of estrogen receptor alpha; however, both GBH-exposed groups had decreased mRNA expression of this receptor. Control lambs showed nuclear progesterone receptor (PR) protein expression, whereas GBH-exposed animals showed cytoplasmic PR expression; both GBH-exposed groups exhibited decreased mRNA expression of PR. GBH-exposed lambs also had decreased epithelial cell proliferation. Regarding insulin-like growth factors, both groups showed similar IGF-1 mRNA and protein expression but decreased expression of its receptor, and increased IGFBP5 expression. In addition, phosphorylated AKT was only observed in the mammary gland of control lambs. Our results show that early postnatal exposure to GBH, regardless of the exposure route, affects the IGF-1 system and the AKT/protein kinase B pathway, interfering with steroid hormone receptor expression and cell proliferation. This consequently modifies the growth and development of the pre-pubertal mammary gland of Frisian lambs.
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Affiliation(s)
- Gabriela A Altamirano
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Eduardo Masat
- Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Oscar Rivera
- Instituto de Investigación Sobre Producción Agropecuaria, Ambiente y Salud (IIPAAs), Facultad de Ciencias Agrarias, Universidad Nacional de Lomas de Zamora, Buenos Aires, Argentina
| | - Ramiro Alarcón
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Gisela Dioguardi
- Instituto de Investigación Sobre Producción Agropecuaria, Ambiente y Salud (IIPAAs), Facultad de Ciencias Agrarias, Universidad Nacional de Lomas de Zamora, Buenos Aires, Argentina
| | - Mónica Muñoz-de-Toro
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Enrique H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Laura Kass
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.
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20
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Muñoz JP, Araya-Osorio R, Mera-Adasme R, Calaf GM. Glyphosate mimics 17β-estradiol effects promoting estrogen receptor alpha activity in breast cancer cells. CHEMOSPHERE 2023; 313:137201. [PMID: 36379430 DOI: 10.1016/j.chemosphere.2022.137201] [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: 08/24/2022] [Revised: 11/05/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
Glyphosate, the active ingredient in several broad-spectrum herbicide formulations, has been validated and widely used throughout the world. Recent reports have questioned its safety, showing that glyphosate may act as an endocrine disruptor by promoting estrogenic activity. However, the molecular mechanism involved in this phenomenon remains unclear. Therefore, here we aimed to elucidate the mechanism by which glyphosate induces estrogenic activity using estrogen-sensitive breast cancer cell line models. Our results show that glyphosate mimics the cell effects of 17β-estradiol (E2), promoting estrogen receptor α (ERα) phosphorylation, its degradation, and transcriptional activity at high concentrations. The molecular mechanism seems involved in the ERα ligand-binding domain (LBD). Molecular simulations suggest a plausible interaction between glyphosate and the LBD through a coordinated complex involving divalent cations such as Zn (II). In addition, glyphosate exposure alters the level of Cyclin-dependent kinase 7 that contribute to ERα phosphorylation. Finally, glyphosate increases cell proliferation rate and levels of cell cycle regulators, accompanied by an increase in anchorage-independent growth capacity. These findings suggest that glyphosate at high concentrations, induces estrogen-like effects through an ERα ligand binding site-dependent mechanism, leading to cellular responses resulting from a complex interplay of genomic and non-genomic events.
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Affiliation(s)
- Juan P Muñoz
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica, 1000000, Chile.
| | - Rocío Araya-Osorio
- Department of Environmental Sciences, Faculty of Chemistry and Biology, Universidad de Santiago de Chile (USACH), Chile.
| | - Raúl Mera-Adasme
- Department of Environmental Sciences, Faculty of Chemistry and Biology, Universidad de Santiago de Chile (USACH), Chile.
| | - Gloria M Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica, 1000000, Chile.
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21
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Jozkowiak M, Piotrowska-Kempisty H, Kobylarek D, Gorska N, Mozdziak P, Kempisty B, Rachon D, Spaczynski RZ. Endocrine Disrupting Chemicals in Polycystic Ovary Syndrome: The Relevant Role of the Theca and Granulosa Cells in the Pathogenesis of the Ovarian Dysfunction. Cells 2022; 12:cells12010174. [PMID: 36611967 PMCID: PMC9818374 DOI: 10.3390/cells12010174] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023] Open
Abstract
Polycystic ovary syndrome (PCOS) is the most common heterogeneous endocrine disorder among women of reproductive age. The pathogenesis of PCOS remains elusive; however, there is evidence suggesting the potential contribution of genetic interactions or predispositions combined with environmental factors. Among these, endocrine disrupting chemicals (EDCs) have been proposed to potentially contribute to the etiology of PCOS. Granulosa and theca cells are known to cooperate to maintain ovarian function, and any disturbance can lead to endocrine disorders, such as PCOS. This article provides a review of the recent knowledge on PCOS pathophysiology, the role of granulosa and theca cells in PCOS pathogenesis, and the evidence linking exposure to EDCs with reproductive disorders such as PCOS.
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Affiliation(s)
- Malgorzata Jozkowiak
- Department of Toxicology, Poznan University of Medical Sciences, Dojazd 30, 60-631 Poznan, Poland
- Doctoral School, Poznan University of Medical Sciences, Bukowska 70, 60-812 Poznan, Poland
| | - Hanna Piotrowska-Kempisty
- Department of Toxicology, Poznan University of Medical Sciences, Dojazd 30, 60-631 Poznan, Poland
- Department of Basic and Preclinical Sciences, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland
- Correspondence: ; Tel.: +48-61847-0721
| | - Dominik Kobylarek
- Department of Toxicology, Poznan University of Medical Sciences, Dojazd 30, 60-631 Poznan, Poland
| | - Natalia Gorska
- Department of Toxicology, Poznan University of Medical Sciences, Dojazd 30, 60-631 Poznan, Poland
| | - Paul Mozdziak
- Physiology Graduate Program, North Carolina State University, Raleigh, NC 27695, USA
- Prestage Department of Poultry Sciences, North Carolina State University, Raleigh, NC 27695, USA
| | - Bartosz Kempisty
- Prestage Department of Poultry Sciences, North Carolina State University, Raleigh, NC 27695, USA
- Division of Anatomy, Department of Human Morphology and Embryology, Wroclaw Medical University, Chalubinskiego 6a, 50-368 Wroclaw, Poland
- Department of Veterinary Surgery, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland
| | - Dominik Rachon
- Department of Clinical and Experimental Endocrinology, Medical University of Gdansk, Debinki 7, 80-211 Gdansk, Poland
| | - Robert Z. Spaczynski
- Center for Gynecology, Obstetrics and Infertility Treatment Pastelova, Pastelowa 8, 60-198 Poznan, Poland
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22
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Bukowska B, Woźniak E, Sicińska P, Mokra K, Michałowicz J. Glyphosate disturbs various epigenetic processes in vitro and in vivo - A mini review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 851:158259. [PMID: 36030868 DOI: 10.1016/j.scitotenv.2022.158259] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/15/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
Glyphosate in the concentrations corresponding to environmental or occupational exposure has been shown to induce epigenetic changes potentially involved in carcinogenesis. This substance (1) changes the global methylation in various cell types and organisms and is responsible for the methylation of different promoters of individual genes, such as TP53 and P21 in human PBMCs, (2) decreases H3K27me3 methylation and H3 acetylation and increases H3K9 methylation and H4 acetylation in rats, (3) increases the expression of P16, P21, CCND1 in human PBMCs, and the expression of EGR1, JUN, FOS, and MYC in HEK293 cells, but decreases TP53 expression in human PBMCs, (4) changes the expression of genes DNMT1, HDAC3, TET1, TET2, TET3 involved in chromatin architecture, e.g. in fish Japanese medaka, (5) alters the expression of various small, single-stranded, non-coding RNA molecules engaged in post-transcriptional regulation of gene expression, such as miRNA 182-5p in MCF10A cells, miR-30 and miR-10 in mammalian stem cells, as well as several dozen of murine miRNAs. Epigenetic changes caused by glyphosate can persist over time and can be passed on to the offsprings in the next generation; in the third generation they can result in some disorders development, such as prostate disease or obesity. Some epigenetic mechanisms have indicated a potential risk of breast cancer development in human as a result of the exposure to glyphosate. It should be emphasized that the majority of reported epigenetic changes have not yet been associated with the final metabolic effects, which may depend on many other factors.
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Affiliation(s)
- Bożena Bukowska
- Department of Biophysics of Environmental Pollution, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska Str. 141/143, 90-236 Lodz, Poland.
| | - Ewelina Woźniak
- Laboratory of Tissue Immunopharmacology, Department of Internal Diseases and Clinical Pharmacology, Medical University of Lodz, Kniaziewicza 1/5, 91-347 Lodz, Poland
| | - Paulina Sicińska
- Department of Biophysics of Environmental Pollution, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska Str. 141/143, 90-236 Lodz, Poland
| | - Katarzyna Mokra
- Department of Biophysics of Environmental Pollution, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska Str. 141/143, 90-236 Lodz, Poland
| | - Jaromir Michałowicz
- Department of Biophysics of Environmental Pollution, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska Str. 141/143, 90-236 Lodz, Poland
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23
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Molecular mechanisms regulating spermatogenesis in vertebrates: Environmental, metabolic, and epigenetic factor effects. Anim Reprod Sci 2022; 246:106896. [PMID: 34893378 DOI: 10.1016/j.anireprosci.2021.106896] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 11/27/2021] [Accepted: 11/29/2021] [Indexed: 12/14/2022]
Abstract
The renewal of the natural resources is one of the most concerning aspects of modern farming. In animal production, there are many barriers breeders and researchers have to overcome to develop new practices to improve reproductive potential and hasten sexual maturation of the commercially viable species, while maintaining meat quality and sustainability. With the utilization of molecular biology techniques, there have been relevant advances in the knowledge of spermatogenesis, especially in mammals, resulting in new possibilities to control male fertility and the selection of desirable characteristics. Most of these discoveries have not been implemented in animal production. In this review, recent studies are highlighted on the molecular pathways involved in spermatogenesis in the context of animal production. There is also exploration of the interaction between environmental factors and spermatogenesis and how this knowledge may revolutionize animal production techniques. Furthermore, new insights are described about the inheritance of desired characteristics in mammals and there is a review of nefarious actions of pollutants, nutrition, and metabolism on reproductive potential in subsequent generations. Even though there are these advances in knowledge base, results from recent studies indicate there are previously unrecognized environmental effects on spermatogenesis. The molecular mechanisms underlying this interaction are not well understood. Research in spermatogenesis, therefore, remains pivotal as a pillar of animal production sustainability.
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24
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Ribeiro YM, Moreira DP, Weber AA, Sales CF, Melo RMC, Bazzoli N, Rizzo E, Paschoalini AL. Adverse effects of herbicides in freshwater Neotropical fish: A review. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 252:106293. [PMID: 36148734 DOI: 10.1016/j.aquatox.2022.106293] [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: 02/01/2022] [Revised: 09/04/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
Although herbicides have been developed to act on the physiological processes of plants, they are responsible for causing deleterious effects on animals. These chemical compounds are widely used throughout the world, but especially in countries that export agricultural products such as Central and South America, their use has increased in recent years. Aquatic environments are natural reservoirs of herbicides, which after being applied on crops, run off through the soil reaching rivers, lakes, and oceans. Fish are among the many organisms affected by the contamination of aquatic environments caused by herbicides. These animals play an important ecological role and are a major source of food for humans. However, few studies address the effects of herbicides on fish in this region. Thus, in the present review we discuss the morphophysiological and molecular consequences of herbicide exposure in Neotropical fish systems as well as how the environmental and land use characteristics in this region can influence the toxicity of these pollutants. A toxicity pathway framework was developed summarizing the mechanisms by which herbicides act and endpoints that need to be further investigated.
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Affiliation(s)
- Yves Moreira Ribeiro
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Davidson Peruci Moreira
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | | | - Camila Ferreira Sales
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Rafael Magno Costa Melo
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Nilo Bazzoli
- Programa de Pós-graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, PUC Minas, Belo Horizonte, Minas Gerais, Brasil
| | - Elizete Rizzo
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Alessandro Loureiro Paschoalini
- Programa de Pós-graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, PUC Minas, Belo Horizonte, Minas Gerais, Brasil.
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25
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Mesnage R, Panzacchi S, Bourne E, Mein CA, Perry MJ, Hu J, Chen J, Mandrioli D, Belpoggi F, Antoniou MN. Glyphosate and its formulations Roundup Bioflow and RangerPro alter bacterial and fungal community composition in the rat caecum microbiome. Front Microbiol 2022; 13:888853. [PMID: 36274693 PMCID: PMC9580462 DOI: 10.3389/fmicb.2022.888853] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 08/11/2022] [Indexed: 11/20/2022] Open
Abstract
The potential health consequences of glyphosate-induced gut microbiome alterations have become a matter of intense debate. As part of a multifaceted study investigating toxicity, carcinogenicity and multigenerational effects of glyphosate and its commercial herbicide formulations, we assessed changes in bacterial and fungal populations in the caecum microbiota of rats exposed prenatally until adulthood (13 weeks after weaning) to three doses of glyphosate (0.5, 5, 50 mg/kg body weight/day), or to the formulated herbicide products Roundup Bioflow and RangerPro at the same glyphosate-equivalent doses. Caecum bacterial microbiota were evaluated by 16S rRNA sequencing whilst the fungal population was determined by ITS2 amplicon sequencing. Results showed that both fungal and bacterial diversity were affected by the Roundup formulations in a dose-dependent manner, whilst glyphosate alone significantly altered only bacterial diversity. At taxa level, a reduction in Bacteroidota abundance, marked by alterations in the levels of Alloprevotella, Prevotella and Prevotellaceae UCG-003, was concomitant to increased levels of Firmicutes (e.g., Romboutsia, Dubosiella, Eubacterium brachy group or Christensenellaceae) and Actinobacteria (e.g., Enterorhabdus, Adlercreutzia, or Asaccharobacter). Treponema and Mycoplasma also had their levels reduced by the pesticide treatments. Analysis of fungal composition indicated that the abundance of the rat gut commensal Ascomycota Kazachstania was reduced while the abundance of Gibberella, Penicillium, Claviceps, Cornuvesica, Candida, Trichoderma and Sarocladium were increased by exposure to the Roundup formulations, but not to glyphosate. Altogether, our data suggest that glyphosate and its Roundup RangerPro and Bioflow caused profound changes in caecum microbiome composition by affecting the fitness of major commensals, which in turn reduced competition and allowed opportunistic fungi to grow in the gut, in particular in animals exposed to the herbicide formulations. This further indicates that changes in gut microbiome composition might influence the long-term toxicity, carcinogenicity and multigenerational effects of glyphosate-based herbicides.
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Affiliation(s)
- Robin Mesnage
- Department of Medical and Molecular Genetics, Faculty of Life Sciences and Medicine, Gene Expression and Therapy Group, King's College London, Guy's Hospital, London, United Kingdom
| | | | - Emma Bourne
- Genome Centre, Barts and the London School of Medicine and Dentistry, Blizard Institute, London, United Kingdom
| | - Charles A. Mein
- Genome Centre, Barts and the London School of Medicine and Dentistry, Blizard Institute, London, United Kingdom
| | - Melissa J. Perry
- Department of Environmental and Occupational Health, Milken Institute School of Public Health, George Washington University, Washington, DC, United States
| | - Jianzhong Hu
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Jia Chen
- Department of Environmental Medicine and Public Heath, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | | | | | - Michael N. Antoniou
- Department of Medical and Molecular Genetics, Faculty of Life Sciences and Medicine, Gene Expression and Therapy Group, King's College London, Guy's Hospital, London, United Kingdom
- *Correspondence: Michael N. Antoniou,
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26
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Gelissen JH, Huang GS. Intersections of endocrine pathways and the epithelial mesenchymal transition in endometrial cancer. Front Oncol 2022; 12:914405. [PMID: 36052252 PMCID: PMC9424890 DOI: 10.3389/fonc.2022.914405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 07/15/2022] [Indexed: 11/13/2022] Open
Abstract
The epithelial mesenchymal transition (EMT) is the process by which cancer cells of epithelial origin, including endometrial cancer, acquire a mesenchymal phenotype with enhanced migratory and invasive capacity, to facilitate metastasis. The regulation of EMT is tissue-specific, and in endometrial cancer, endocrine signaling pathways serve as critical regulators of EMT. The intersections of endocrine signaling and EMT highlight potential avenues for therapeutic intervention to target cancer metastasis with the aim of reduced mortality.
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Strilbytska OM, Semaniuk UV, Strutynska TR, Burdyliuk NI, Tsiumpala S, Bubalo V, Lushchak O. Herbicide Roundup shows toxic effects in nontarget organism Drosophila. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2022; 110:e21893. [PMID: 35388481 DOI: 10.1002/arch.21893] [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: 02/04/2022] [Revised: 03/10/2022] [Accepted: 03/12/2022] [Indexed: 06/14/2023]
Abstract
Glyphosate-based herbicide Roundup, as the most employed herbicide used for multiple purposes in agriculture, adversely affects nontarget organisms. We tested the effects of Roundup applied at larval and adult stages. Roundup caused developmental delay and increased larvae mortality. Roundup treatment reduced hemolymph glucose and glycogen levels in adult flies of both sexes at the highest concentration tested. Sex-dependent diverse effects were found in catalase and Cu,Zn superoxide dismutase (Cu,Zn-SOD) activities. Decreased aconitase activity, contents of thiols, and lipid peroxides were found after larval Roundup exposure. Furthermore, chronic exposure to adult flies decreased appetite, body weight, and shortened lifespan. Thus, our results suggest that high concentrations of Roundup are deleterious to both larvae and adults, resulting in a shift of the metabolism and antioxidant defense system in Drosophila melanogaster.
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Affiliation(s)
- Olha M Strilbytska
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
| | - Uliana V Semaniuk
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
| | - Tetiana R Strutynska
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
| | - Nadia I Burdyliuk
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
| | - Sviatoslav Tsiumpala
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
| | - Volodymyr Bubalo
- Laboratory of Experimental Toxicology and Mutagenesis, L.I. Medved's Research Center of Preventive Toxicology, Food and Chemical Safety, MHU, Kyiv, Ukraine
| | - Oleh Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
- Research and Development University, Ivano-Frankivsk, Ukraine
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Dal’ Bó IF, Teixeira ES, Rabi LT, Peres KC, Nascimento M, Chiamolera MI, Máximo V, Bufalo NE, Ward LS. Alternation between toxic and proliferative effects of Roundup® on human thyroid cells at different concentrations. Front Endocrinol (Lausanne) 2022; 13:904437. [PMID: 35992109 PMCID: PMC9382701 DOI: 10.3389/fendo.2022.904437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 07/05/2022] [Indexed: 11/21/2022] Open
Abstract
Endocrine-disrupting and carcinogenic effects of glyphosate have long been suspected, but little is known about the effect of compounds used in real life at different concentrations, neither in normal nor in thyroid tumor cells. As cancer cells may have different sensitivities and the effect of the product containing glyphosate may be different from that produced by the active ingredient alone, including the Acceptable Occupational Exposure Level (AOEL=160µg/L) and the Acceptable Daily Intake (ADI=830µg/L) determined by ANVISA, we used two human thyroid-derived cell lines, Nthy-ori 3-1 (from normal follicular cells) and TPC-1 (from papillary carcinoma), to test 15 different concentrations of Roundup® Original DI. Trypan blue (TB), CCK-8 and BrdU assays were used to evaluate cytotoxicity, metabolic activity and proliferation with 24h and 48h exposures in technical and biological triplicates. TB showed an important toxic effect, especially after 24h of exposure, in both cell lines. The AOEL concentration caused the death of 43% and 50% of the Nthy-ori and TPC-1 cells, respectively, in 24 h, while ADI resulted in 35% and 58% of cell death. After 48h of exposure, AOEL and ADI caused a lower number of dead Nthy-ori (33% and 18%) and TPC-1 (33% and 37%) cells, respectively, suggesting that the toxic effect of the product disappears and/or both strains have repair mechanisms that protect them from longer exposures. On the other hand, the CCK-8 assay showed that small concentrations of Roundup have a proliferative effect: 6.5µg/L increased the number of both Nthy-ori and TPC-1 cells at 24h, and the BrdU assay confirmed the stimulatory effect with a 321% increase in the absorbance of Nthy-ori cells at 48h. The herbicide produced even more frequent increases in the BrdU absorbance of TPC-1 cells, mainly at 24h. We conclude that thyroid cells exposed to Roundup present a nonmonotonic dual dose-response curve. Low concentrations of the pesticide, considered acceptable, cause significant cell death but also have an important proliferative effect, especially on TPC-1 cells. This herbicide, widely used around the world, may play a role in the increased incidence rate of thyroid nodules and cancer that has been observed in recent decades.
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Affiliation(s)
- Izabela Fernanda Dal’ Bó
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - Elisângela Souza Teixeira
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - Larissa Teodoro Rabi
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - Karina Colombera Peres
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | - Matheus Nascimento
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
| | | | - Valdemar Máximo
- Department of Medicine, Federal University of São Paulo, São Paulo, Brazil
- Institute for Research and Innovation in Health (i3S), University of Porto, Porto, Portugal
- Institute of Molecular Pathology and Immunology of the University of Porto (Ipatimup), Porto, Portugal
| | - Natássia Elena Bufalo
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
- Department of Pathology, Faculty of Medicine of the University of Porto (FMUP), Porto, Portugal
| | - Laura Sterian Ward
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences, University of Campinas, Campinas, Brazil
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Corton JC, Liu J, Kleinstreuer N, Gwinn MR, Ryan N. Towards replacement of animal tests with in vitro assays: a gene expression biomarker predicts in vitro and in vivo estrogen receptor activity. Chem Biol Interact 2022; 363:109995. [PMID: 35697134 DOI: 10.1016/j.cbi.2022.109995] [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: 04/05/2022] [Revised: 05/02/2022] [Accepted: 05/24/2022] [Indexed: 11/18/2022]
Abstract
High-throughput transcriptomics (HTTr) has the potential to support efforts to reduce or replace some animal tests. In past studies, we described a computational approach utilizing a gene expression biomarker consisting of 46 genes to predict estrogen receptor (ER) activity after chemical exposure in ER-positive human breast cancer cells including the MCF-7 cell line. We hypothesized that the biomarker model could identify ER activities of chemicals examined by Endocrine Disruptor Screening Program (EDSP) Tier 1 screening assays in which transcript profiles of the same chemicals were examined in MCF-7 cells. For the 62 chemicals examined including 5 chemicals examined in this study using RNA-Seq, the ER biomarker model accuracy was 1) 97% for in vitro reference chemicals, 2) 76-85% for guideline uterotrophic assays, and 3) 87-88% for guideline and nonguideline uterotrophic assays. For the same chemicals, these accuracies were similar or slightly better than those of the ToxCast ER model based on 18 in vitro assays. The performance of the ER biomarker model indicates that HTTr interpreted using the ER biomarker correctly identifies active and inactive ER reference chemicals. As part of the HTTr screening program the approach could rapidly identify chemicals with potential ER bioactivities for additional screening and testing.
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Affiliation(s)
- J Christopher Corton
- Center for Computational Toxicology and Exposure, US-EPA, Research Triangle Park, NC, 27711, USA.
| | - Jie Liu
- Center for Computational Toxicology and Exposure, US-EPA, Research Triangle Park, NC, 27711, USA.
| | - Nicole Kleinstreuer
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, 27711, USA.
| | - Maureen R Gwinn
- Center for Computational Toxicology and Exposure, US-EPA, Research Triangle Park, NC, 27711, USA.
| | - Natalia Ryan
- Oak Ridge Institute for Science and Education (ORISE), Research Triangle Park, NC, 27711, USA.
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Overview of Environmental and Health Effects Related to Glyphosate Usage. SUSTAINABILITY 2022. [DOI: 10.3390/su14116868] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Since the introduction of glyphosate (N-(phosphomethyl) glycine) in 1974, it has been the most used nonselective and broad-spectrum herbicide around the world. The widespread use of glyphosate and glyphosate-based herbicides is due to their low-cost efficiency in killing weeds, their rapid absorption by plants, and the general mistaken perception of their low toxicity to the environment and living organisms. As a consequence of the intensive use and accumulation of glyphosate and its derivatives on environmental sources, major concerns about the harmful side effects of glyphosate and its metabolites on human, plant, and animal health, and for water and soil quality, are emerging. Glyphosate can reach water bodies by soil leaching, runoff, and sometimes by the direct application of some approved formulations. Moreover, glyphosate can reach nontarget plants by different mechanisms, such as spray application, release through the tissue of treated plants, and dead tissue from weeds. As a consequence of this nontarget exposure, glyphosate residues are being detected in the food chains of diverse products, such as bread, cereal products, wheat, vegetable oil, fruit juice, beer, wine, honey, eggs, and others. The World Health Organization reclassified glyphosate as probably carcinogenic to humans in 2015 by the IARC. Thus, many review articles concerning different glyphosate-related aspects have been published recently. The risks, disagreements, and concerns regarding glyphosate usage have led to a general controversy about whether glyphosate should be banned, restricted, or promoted. Thus, this review article makes an overview of the basis for scientists, regulatory agencies, and the public in general, with consideration to the facts on and recommendations for the future of glyphosate usage.
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Søfteland L, Olsvik PA. In vitro toxicity of glyphosate in Atlantic salmon evaluated with a 3D hepatocyte-kidney co-culture model. Food Chem Toxicol 2022; 164:113012. [PMID: 35429611 DOI: 10.1016/j.fct.2022.113012] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 04/05/2022] [Accepted: 04/09/2022] [Indexed: 12/11/2022]
Abstract
A novel 3D Atlantic salmon co-culture model was developed using primary hepatocytes and kidney epithelial cells isolated from the same fish. Mono and co-cultures of primary hepatocytes and kidney epithelial cells were exposed for 48 h to glyphosate (5, 50 and 500 μM). For comparison, cells were also exposed to chlorpyrifos, benzo(a)pyrene and cadmium. Cell staining, cell viability assessments, RT-qPCR and global metabolomic profiling were used to examine the toxicological effects on liver and renal function and to compare responses in 3D and 2D cultures. The 3D hepatocyte cell culture was considered superior to the 2D culture due to the ATP binding cassette subfamily B member 1 (Abcb1) response and was thus used further in co-culture with kidney cells. Metabolomic analysis of co-cultured cells showed that glyphosate exposure (500 μM) altered lipid metabolism in both hepatocytes and kidney cells. Elevated levels of several types of PUFAs and long-chain fatty acids were observed in exposed hepatocytes, owing to increased uptake and phospholipid remodelling. Glyphosate suppressed the expression of estrogen receptor 1 (Esr1) and vitellogenin (Vtg) and altered histidine metabolism in exposed hepatocytes. Increased levels of cholesterol and downregulation of clusterin (Clu) suggest that glyphosate treatment affected membrane stability in Atlantic salmon kidney cells. This study demonstrates the usefulness of applying 3D co-culture models in risk assessment.
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Affiliation(s)
- L Søfteland
- Institute of Marine Research, Nordnesgaten 50, 5005, Bergen, Norway.
| | - P A Olsvik
- Institute of Marine Research, Nordnesgaten 50, 5005, Bergen, Norway; Nord University, Universitetsalléen 11, 8049, Bodø, Norway
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Verderame M, Chianese T, Rosati L, Scudiero R. Molecular and Histological Effects of Glyphosate on Testicular Tissue of the Lizard Podarcis siculus. Int J Mol Sci 2022; 23:4850. [PMID: 35563240 PMCID: PMC9100619 DOI: 10.3390/ijms23094850] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/22/2022] [Accepted: 04/26/2022] [Indexed: 02/01/2023] Open
Abstract
The expansion of agriculture produces a steady increase in habitat fragmentation and degradation due to the increased use of pesticides and herbicides. Habitat loss and alteration associated with crop production play an important role in reptile decline, among which lizards are particularly endangered. In this study, we evaluated testicular structure, steroidogenesis, and estrogen receptor expression/localization after three weeks of oral exposure to glyphosate at 0.05 and 0.5 μg/kg body weight every other day in the field lizard Podarcis siculus. Our results show that glyphosate affected testicular morphology, reduced spermatogenesis, altered gap junctions and changed the localization of estrogen receptors in germ cells, increasing their expression; the effects were mostly dose-dependent. The result also demonstrates that glyphosate, at least at these concentrations, did not influence steroidogenesis. Overall, the data indicate that this herbicide can disturb the morphophysiology of the male lizard's reproductive system, with obviously detrimental effects on their reproductive fitness. The effects of glyphosate must be considered biologically relevant and could endanger the reproductive capacity not only of lizards but also of other vertebrates, including humans; a more controlled and less intensive use of glyphosate in areas devoted to crop production would therefore be advisable.
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Affiliation(s)
- Mariailaria Verderame
- Department of Human, Philosophic and Education Sciences (DISUFF), University of Salerno, 84084 Fisciano, Italy;
| | - Teresa Chianese
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (L.R.)
| | - Luigi Rosati
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (L.R.)
- Center for Studies on Bioinspired Agro-Environmental Technology (BAT), 80055 Portici, Italy
| | - Rosaria Scudiero
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (L.R.)
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Wróbel MH, Młynarczuk J, Rękawiecki R. Do commonly used herbicides (atrazine and glyphosate) have the potential to impair the contractions, prostaglandin releasing and conducting of oxytocin signal at the bovine cervix in vitro? Theriogenology 2022; 183:26-35. [PMID: 35193057 DOI: 10.1016/j.theriogenology.2022.02.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 02/11/2022] [Accepted: 02/11/2022] [Indexed: 10/19/2022]
Abstract
Glyphosate (Gly) and atrazine (Atr) are among the most commonly used herbicides in global agriculture. It was previously shown that both Atr and Gly impair the ovarian and uterine secretion of regulators of myometrial motility (oxytocin (OT) or prostaglandins (PGs)) in cows, and Atr can also decrease the force of contractions in strips from the uterine horn. Hence, the aim of this study was to compare the effects of Atr and Gly on the motor and secretory function of the bovine cervix in vitro as well as receptivity and signal transduction in cervical cell cultures. Cervical strips or cells obtained from cows before ovulation were treated with environmental doses of Atr or Gly (0.1-10 ng/ml) since these herbicides exerted no cytotoxic effect at a dose of 100 ng/ml. Only Atr increased the force of cervical contractions, while both Atr and Gly decreased the secretion of prostaglandins (PGs) without disturbing their synthesis. Moreover, Atr decreased the mRNA expression and protein level of oxytocin receptor (OTR), while Gly increased OTR protein levels. Both Atr and Gly decreased the contents of gap junction proteins (GAPs), Atr decreased the contents of second messengers (diacylglycerol - DAG, inositol-tris-phosphate - IP3), and Gly decreased the level of myosin light chain kinase (MLCK) but increased DAG levels. Atr directly enhanced the cervical strips contractions. Both herbicides disturbed cellular signalling and inhibited PGs secretion. It suggest that Atr and Gly have the potential to impair the activity of cervical cells in vitro, which might be followed by failure of maintenance with gestation.
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Affiliation(s)
- Michał Hubert Wróbel
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Street 10, 10-748, Olsztyn, Poland.
| | - Jarosław Młynarczuk
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Street 10, 10-748, Olsztyn, Poland
| | - Robert Rękawiecki
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima Street 10, 10-748, Olsztyn, Poland
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Coppola L, Tait S, Fabbrizi E, Perugini M, La Rocca C. Comparison of the Toxicological Effects of Pesticides in Non-Tumorigenic MCF-12A and Tumorigenic MCF-7 Human Breast Cells. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:4453. [PMID: 35457321 PMCID: PMC9030493 DOI: 10.3390/ijerph19084453] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/04/2022] [Accepted: 04/04/2022] [Indexed: 11/16/2022]
Abstract
Humans are exposed to residues of organophosphate and neonicotinoid pesticides, commonly used in agriculture. Children are particularly vulnerable and, among possible adverse outcomes, the increased incidence of premature mammary gland development (thelarche) has raised concern. We evaluated the toxicological effects of chlorpyrifos (CPF), imidacloprid (IMI) and glyphosate (GLY) at exposure concentrations occurring in children on the tumorigenic MCF-7 and non-tumorigenic MCF-12A breast cell lines, as representative of the target organ model, assessing cytotoxicity, apoptosis, necrosis, intracellular reactive oxygen species (ROS) and ATP levels, 17β-estradiol secretion and gene expression of nuclear receptors involved in mammary gland development. The pesticides decreased cell vitality in MCF-7 and cell proliferation in MCF-12A cells. ATP levels were decreased in MCF-7 cells by pesticides and apoptosis was increased in MCF-12A cells only by GLY (2.3 nM). ROS production was decreased by pesticides in both cell lines, except IMI (1.6 nM) in MCF-7 cells. Endocrine disrupting activity was highlighted by induction of 17β-estradiol secretion and modulation of the gene expression of estrogen alpha and beta, progesterone, androgen, and aryl hydrocarbon receptors in both cell lines. The use of MCF-7 and MCF-12A cells highlighted dissimilar modes of action of each pesticide at low human relevant concentrations.
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Affiliation(s)
- Lucia Coppola
- Center for Gender-Specific Medicine, Italian National Institute of Health, 00161 Rome, Italy; (L.C.); (S.T.)
- Department of Physiology and Pharmacology V. Erspamer, Sapienza University of Rome, 00185 Rome, Italy
| | - Sabrina Tait
- Center for Gender-Specific Medicine, Italian National Institute of Health, 00161 Rome, Italy; (L.C.); (S.T.)
| | - Enrica Fabbrizi
- Pediatric Departmental Simple Operative Unit, Civitanova Marche Hospital, ASUR Marche Area Vasta n. 3, 62100 Macerata, Italy;
| | - Monia Perugini
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy;
| | - Cinzia La Rocca
- Center for Gender-Specific Medicine, Italian National Institute of Health, 00161 Rome, Italy; (L.C.); (S.T.)
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Maddalon A, Iulini M, Galbiati V, Colosio C, Mandić-Rajčević S, Corsini E. Direct Effects of Glyphosate on In Vitro T Helper Cell Differentiation and Cytokine Production. Front Immunol 2022; 13:854837. [PMID: 35359959 PMCID: PMC8960435 DOI: 10.3389/fimmu.2022.854837] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/11/2022] [Indexed: 12/15/2022] Open
Abstract
Glyphosate (G) is the active ingredient of the most used herbicides worldwide. Its use is currently very debated, as several studies indicating its hazard and toxicity are emerging. Among them, there is evidence of adverse effects on the immune system. The aim of this work was to investigate if G could directly affect immune cells. Peripheral blood mononuclear cells (PBMC) obtained from healthy donors were used as experimental model. PBMC were expose to G and stimulated with PMA/ionomycin, T helper (Th) cell differentiation and cytokine production were assessed by flow cytometry and enzyme-linked immunosorbent assay, respectively. A reduction of Th1/Th2 ratio, mainly due to a decrease in Th1 cells, was observed following G exposure. Results show an enhancement of IL-4 and IL-17A production, and a reduction of IFN-γ. Based on literature evidence that suggest G being an endocrine disruptor, we investigated the role of nuclear estrogen receptors (ER). ERα/ERβ inhibition by ICI 182,780 abolished the effects of G on IFN-γ and IL-4 release, suggesting a role of ER in the observed effects. To further characterize the mechanism of action of G, miRNAs, both in exosome and intracellular, were investigated. A statistically significant increase in miR-500a-5p was observed following G treatment. The blockage of miR-500a-5p, using a specific antagomir, prevented G-induced reduction of IFN-γ production. Finally a relationship between miR-500a-5p up-regulation and ER was observed. Overall, these results suggest that G can directly act on T cells, altering T cell differentiation and cytokines production.
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Affiliation(s)
- Ambra Maddalon
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Martina Iulini
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Valentina Galbiati
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, 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 Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
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Ingaramo PI, Alarcón R, Caglieris ML, Varayoud J, Muñoz-de-Toro M, Luque EH. Altered uterine angiogenesis in rats treated with a glyphosate-based herbicide. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 296:118729. [PMID: 34953950 DOI: 10.1016/j.envpol.2021.118729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 12/02/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
Glyphosate-based herbicides (GBHs) are the agrochemicals most used around the globe. However, they might have adverse effects on human and animal health. Previously, we showed that female rats neonatally exposed to GBHs exhibit altered expression of morphogenetic molecules and biomarkers of uterine development. We also observed a reduction in the size of implantation sites, altered expression of decidualization-related molecules, and increased post-implantation losses. Since decidualization comprises morphogenetic, biochemical and vascular changes, here we investigated the effects of neonatal GBH exposure on uterine angiogenesis in neonatal and pregnant rats. To achieve this, Wistar female rats were exposed to saline solution or GBH (2 mg glyphosate/kg-bw/day) on post-natal days (PND) 1, 3, 5 and 7. On PND8, uterine samples were collected for developmental studies. On PND90, the remaining females were mated and in the morning of gestational day (GD) 9, the implantation sites were collected. Angiogenesis-related molecules and cells involved in this process were identified and/or measured by immunohistochemistry or RT-PCR. On PND8, GBH-treated rats showed increased vascular endothelial growth factor (VEGF) expression and decreased Notch1, inducible nitric oxide synthase (iNOS) and Angiopoietin-2 (Ang2) mRNA levels. Vascular area, vessel diameter, endothelial cell proliferation, VEGF and Nestin protein expression, and VEGF, Notch1, iNOS and cyclooxygenase-2 (Cox-2) genes were downregulated in implantation sites of exposed females, while Ang2, VEGF receptor 1 and interleukin-10 (IL-10) were increased. Mast cells and macrophages were increased on PND8 and GD9 of treated rats. The increased Transforming growth factor-beta expression in the antimesometrial zone and IL-10 mRNA expression suggest that the M2 type is the predominant population of macrophages on implantation sites. In conclusion, neonatal GBH exposure alters the expression of angiogenesis-related molecules at neonatal uterine development and decidual reaction, suggesting altered vascular support. These alterations might contribute to the increased post-implantation losses observed in GBH-treated rats.
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Affiliation(s)
- Paola I Ingaramo
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina.
| | - Ramiro Alarcón
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
| | - María L Caglieris
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
| | - Jorgelina Varayoud
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
| | - Mónica Muñoz-de-Toro
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
| | - Enrique H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral - Consejo Nacional de Investigaciones Científicas y Técnicas, Santa Fe, Argentina
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Fu H, Tan P, Wang R, Li S, Liu H, Yang Y, Wu Z. Advances in organophosphorus pesticides pollution: Current status and challenges in ecotoxicological, sustainable agriculture, and degradation strategies. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127494. [PMID: 34687999 DOI: 10.1016/j.jhazmat.2021.127494] [Citation(s) in RCA: 99] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/05/2021] [Accepted: 10/09/2021] [Indexed: 06/13/2023]
Abstract
Organophosphorus pesticides (OPPs) are one of the most widely used types of pesticide that play an important role in the production process due to their effects on preventing pathogen infection and increasing yield. However, in the early development and application of OPPs, their toxicological effects and the issue of environmental pollution were not considered. With the long-term overuse of OPPs, their hazards to the ecological environment (including soil and water) and animal health have attracted increasing attention. Therefore, this review first clarified the classification, characteristics, applications of various OPPs, and the government's restriction requirements on various OPPs. Second, the toxicological effects and metabolic mechanisms of OPPs and their metabolites were introduced in organisms. Finally, the existing methods of degrading OPPs were summarized, and the challenges and further addressing strategy of OPPs in the sustainable development of agriculture, the environment, and ecology were prospected. However, methods to solve the environmental and ecological problems caused by OPPs from the three aspects of use source, use process, and degradation methods were proposed, which provided a theoretical basis for addressing the stability of the ecological environment and improving the structure of the pesticide industry in the future.
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Affiliation(s)
- Huiyang Fu
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Peng Tan
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Renjie Wang
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Senlin Li
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Haozhen Liu
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Ying Yang
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China.
| | - Zhenlong Wu
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China.
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Liu JB, Li ZF, Lu L, Wang ZY, Wang L. Glyphosate damages blood-testis barrier via NOX1-triggered oxidative stress in rats: Long-term exposure as a potential risk for male reproductive health. ENVIRONMENT INTERNATIONAL 2022; 159:107038. [PMID: 34906888 DOI: 10.1016/j.envint.2021.107038] [Citation(s) in RCA: 92] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 11/11/2021] [Accepted: 12/06/2021] [Indexed: 06/14/2023]
Abstract
Blood-testis barrier (BTB) creates a privileged niche indispensable for spermatogenesis. Glyphosate (GLY), the most commonly used herbicide worldwide, has been reported to decrease sperm quality. However, whether and how GLY destroys the BTB to affect sperm quality remains to be elucidated. Herein, this study was designed to investigate the influence of GLY on the BTB in vivo and in vitro experiments. The results showed that male rats exposed to GLY for 4 months exhibited a decrease in sperm quality and quantity, accompanied by BTB integrity disruption and testicular oxidative stress. Additionally, GLY-induced reactive oxygen species (ROS) contributed to the downregulation of BTB-related proteins in primary Sertoli cells (SCs). Intriguingly, we identified a marked upregulation of oxidative stress-related gene NOX1 in GLY-exposed testis based on transcriptome analysis. NOX1 knockdown blocked the GLY-induced oxidative stress, as well as prevented BTB-related protein decrease in SCs. Furthermore, the estrogen receptor (ER)-α was significantly upregulated in vivo and in vitro models. An ER-α inhibitor decreased the expression levels of both ER-α and NOX1. Mechanistically, GLY directly interacted with ER-α at the site of Pro39 and Lys401 to promote ER-α activation, which boosted NOX1 expression to trigger ROS accumulation. Collectively, these results demonstrate that long-term GLY exposure adversely affects BTB integrity, which disrupts spermatogenesis via activation of ER-α/NOX1 axis. This study presents a better understanding of the risk of long-term GLY exposure to male fertility.
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Affiliation(s)
- Jing-Bo Liu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China
| | - Zi-Fa Li
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan City 250355, Shandong Province, China
| | - Lu Lu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China
| | - Zhen-Yong Wang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China
| | - Lin Wang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City 271018, Shandong Province, China.
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Guerrero Schimpf M, Milesi MM, Zanardi MV, Varayoud J. Disruption of developmental programming with long-term consequences after exposure to a glyphosate-based herbicide in a rat model. Food Chem Toxicol 2022; 159:112695. [PMID: 34813928 DOI: 10.1016/j.fct.2021.112695] [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: 07/03/2021] [Revised: 11/05/2021] [Accepted: 11/18/2021] [Indexed: 10/19/2022]
Abstract
Glyphosate-based herbicides (GBHs) have been associated with endocrine disrupting effects on reproductive organs. We examined whether postnatal exposure to GBH affects developmental programming of the uterus with long-term consequences. Female Wistar pups received vehicle (control) or GBH (2 mg of glyphosate/kg/day) from postnatal day (PND) 1 to PND7, where the developing uterus is highly sensitive to endocrine disruption. Short-, mid- and long-term effects were evaluated on PND8, PND120 and PND600, respectively. GBH induced hyperplasia and epigenetic alterations in the uterus of neonatal females (PND8). DNA hypermethylation, enrichment of H3K9me3 and reductions of H3K27me3 at regulatory regions of the morphoregulatory gene Hoxa10 resulted in gene downregulation. In young adult females (PND120), GBH increased 17β-estradiol (E2) and decreased progesterone (P4) serum levels, altering estrous cyclicity. Aged females (PND600) exposed to GBH developed leiomyoma and pre-neoplastic glandular lesions in the uterus. Vaginal rhabdomyosarcoma and intrahepatic bile duct adenoma were also observed. In conclusion, neonatal exposure to GBH altered the expression and induced hypermethylation of the Hoxa10 gene in uterine tissue at early life, and increased E2/P4 ratio serum level at middle-age. We propose that epigenetic reprogramming of Hoxa10 in association with hormonal imbalance could be among the possible mechanisms underlying the long-term adverse effects detected in GBH-exposed rats.
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Affiliation(s)
- Marlise Guerrero Schimpf
- Instituto de Salud y Ambiente Del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional Del Litoral, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional Del Litoral, Santa Fe, Argentina.
| | - María M Milesi
- Instituto de Salud y Ambiente Del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional Del Litoral, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional Del Litoral, Santa Fe, Argentina
| | - María Victoria Zanardi
- Instituto de Salud y Ambiente Del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional Del Litoral, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional Del Litoral, Santa Fe, Argentina
| | - Jorgelina Varayoud
- Instituto de Salud y Ambiente Del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional Del Litoral, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional Del Litoral, Santa Fe, Argentina
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Lehel J, Szemerédy G, Szabó R, Major L, Grúz A, Budai P. Reproductive toxicological changes in avian embryos due to a pesticide and an environmental contaminant. Acta Vet Hung 2021; 69:363-371. [PMID: 34747356 DOI: 10.1556/004.2021.00043] [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: 07/09/2021] [Accepted: 09/27/2021] [Indexed: 11/19/2022]
Abstract
Single and simultaneous toxic effects of glyphosate (Amega Up, 360 g L-1, 4%) and copper sulphate (0.01%) were studied in avian embryos treated either with injection directly into the air chamber or by immersion application for 30 min on day 0 of incubation. Alterations of the chicken embryos were evaluated during necropsy performed on day 19 of incubation, together with mortality, body weight and the type of developmental abnormalities. Based on the results, the injection application appeared to be more toxic than the immersion method, as it induced increased mortality and reduced the average body weight, and resulted in a higher incidence of congenital anomalies. Supposedly, a toxicodynamic interaction occurs between copper sulphate and glyphosate, which may reduce the vitality of embryos and thus decrease the number of offspring in wild birds.
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Affiliation(s)
- József Lehel
- 1 Department of Food Hygiene, University of Veterinary Medicine, István u. 2, H-1078, Budapest, Hungary
| | - Géza Szemerédy
- 2 Institute of Plant Protection, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, Deák F. u. 16, H-8360, Keszthely, Hungary
| | - Rita Szabó
- 2 Institute of Plant Protection, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, Deák F. u. 16, H-8360, Keszthely, Hungary
| | - László Major
- 2 Institute of Plant Protection, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, Deák F. u. 16, H-8360, Keszthely, Hungary
| | - Adrienn Grúz
- 2 Institute of Plant Protection, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, Deák F. u. 16, H-8360, Keszthely, Hungary
| | - Péter Budai
- 2 Institute of Plant Protection, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, Deák F. u. 16, H-8360, Keszthely, Hungary
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Zambrano-Intriago LA, Amorim CG, Rodríguez-Díaz JM, Araújo AN, Montenegro MCBSM. Challenges in the design of electrochemical sensor for glyphosate-based on new materials and biological recognition. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 793:148496. [PMID: 34182449 DOI: 10.1016/j.scitotenv.2021.148496] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 06/08/2021] [Accepted: 06/13/2021] [Indexed: 06/13/2023]
Abstract
Glyphosate (GLY) is the main ingredient in the weed killer Roundup and the most widely used pesticide in the world. Studies of the harmful effects of GLY on human health began to become more wide-ranging after 2015. GLY is listed by the International Agency for Research on Cancer (IARC) as a carcinogenic hazard to humans. Moreover, GLY has the property to complex with transition metals and are stable for long periods, being considered a high-risk element for different matrices, such as environmental (soil and water) and food (usually genetically modified crops). Since that, it was noticed an increment in the development of new analytical methods for its determination in different matrices like food, environmental and biological fluids. Noteworthy, the application of electrochemical techniques for downstream detection sparked interest due to the ability to minimize or eliminate the use of polluting chemicals, using simple and affordable equipment. This work aims to review the contribution of the electroanalytical methods for the determination of GLY in different food and environmental matrices. Parameters such as the electrochemical transduction techniques based on the electrical measurement signals, receptor materials for electrodes preparation, and the detection mechanisms are described in this review. The literature review shows that the electrochemical sensors are powerful detection system that can be improved by their design and by their portability to fulfil the needs of the GLY determination in laboratory benches, or even in situ analysis.
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Affiliation(s)
- Luis Angel Zambrano-Intriago
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, Porto 4050-313, Portugal; Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo, Ecuador.
| | - Célia G Amorim
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, Porto 4050-313, Portugal.
| | - Joan Manuel Rodríguez-Díaz
- Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo, Ecuador; Departamento de Procesos Químicos, Facultad de Ciencias Matemáticas, Físicas y Químicas, Universidad Técnica de Manabí, Portoviejo, Ecuador; Programa de Pós-graduação em Engenharia Química, Universidade Federal da Paraíba, João Pessoa, Brazil.
| | - Alberto N Araújo
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, Porto 4050-313, Portugal.
| | - Maria C B S M Montenegro
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, Porto 4050-313, Portugal.
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Díaz-Martín RD, Carvajal-Peraza A, Yáñez-Rivera B, Betancourt-Lozano M. Short exposure to glyphosate induces locomotor, craniofacial, and bone disorders in zebrafish (Danio rerio) embryos. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 87:103700. [PMID: 34237469 DOI: 10.1016/j.etap.2021.103700] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 06/22/2021] [Accepted: 07/04/2021] [Indexed: 06/13/2023]
Abstract
Glyphosate [N-(phosphonomethyl)glycine] is the active ingredient in widely used broad-spectrum herbicides. Even though the toxicity mechanism of this herbicide in vertebrates is poorly understood, evidence suggests that glyphosate is an endocrine disruptor capable of producing morphological anomalies as well as cardiotoxic and neurotoxic effects. We used the zebrafish model to assess the effects of early life glyphosate exposure on the development of cartilage and bone tissues and organismal responses. We found functional alterations, including a reduction in the cardiac rate, significant changes in the spontaneous tail movement pattern, and defects in craniofacial development. These effects were concomitant with alterations in the level of the estrogen receptor alpha osteopontin and bone sialoprotein. We also found that embryos exposed to glyphosate presented spine deformities as adults. These developmental alterations are likely induced by changes in protein levels related to bone and cartilage formation.
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Affiliation(s)
- Rubén D Díaz-Martín
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos s/n, Mazatlán, Sinaloa 82100, Mexico
| | - Ana Carvajal-Peraza
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos s/n, Mazatlán, Sinaloa 82100, Mexico
| | - Beatriz Yáñez-Rivera
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos s/n, Mazatlán, Sinaloa 82100, Mexico; Consejo Nacional de Ciencia y Tecnología, Av. Insurgentes Sur 1582, Ciudad de México, 03940, Mexico
| | - Miguel Betancourt-Lozano
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos s/n, Mazatlán, Sinaloa 82100, Mexico.
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Muller K, Herrera K, Talyn B, Melchiorre E. Toxicological Effects of Roundup ® on Drosophila melanogaster Reproduction. TOXICS 2021; 9:161. [PMID: 34357904 PMCID: PMC8309847 DOI: 10.3390/toxics9070161] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/29/2021] [Accepted: 07/02/2021] [Indexed: 12/13/2022]
Abstract
Herbicide use has increased dramatically since 2001, particularly Roundup®. Effective in agricultural practice, Roundup® adversely affects non-target organisms, including reproductive and endocrine systems. We exposed fruit flies, Drosophila melanogaster, to either Roundup® Ready to Use, containing pelargonic acid and glyphosate, or Roundup® Super Concentrate, that includes glyphosate and POEA, at sublethal concentrations. Both Roundup® formulations reduced ovary volume with fewer mature oocytes, most adversely at the highest concentration tested. Flies exposed within 2 h of eclosion were affected more than at 4 h, suggesting a critical period of increased ovarian sensitivity. These results support multi-species evidence that glyphosate-based herbicides interfere with normal development of the reproductive systems of non-target organisms.
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Affiliation(s)
- Kelly Muller
- Department of Chemistry and Biochemistry, California State University, 5500 University Parkway, San Bernardino, CA 92407, USA; (K.M.); (K.H.)
| | - Karina Herrera
- Department of Chemistry and Biochemistry, California State University, 5500 University Parkway, San Bernardino, CA 92407, USA; (K.M.); (K.H.)
| | - Becky Talyn
- Department of Biology and College of Natural Sciences, California State University, 5500 University Parkway, San Bernardino, CA 92407, USA
| | - Erik Melchiorre
- Department of Geology, California State University, 5500 University Parkway, San Bernardino, CA 92407, USA;
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Milesi MM, Lorenz V, Durando M, Rossetti MF, Varayoud J. Glyphosate Herbicide: Reproductive Outcomes and Multigenerational Effects. Front Endocrinol (Lausanne) 2021; 12:672532. [PMID: 34305812 PMCID: PMC8293380 DOI: 10.3389/fendo.2021.672532] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/14/2021] [Indexed: 12/20/2022] Open
Abstract
Glyphosate base herbicides (GBHs) are the most widely applied pesticides in the world and are mainly used in association with GBH-tolerant crop varieties. Indiscriminate and negligent use of GBHs has promoted the emergence of glyphosate resistant weeds, and consequently the rise in the use of these herbicides. Glyphosate, the active ingredient of all GBHs, is combined with other chemicals known as co-formulants that enhance the herbicide action. Nowadays, the safety of glyphosate and its formulations remain to be a controversial issue, as evidence is not conclusive whether the adverse effects are caused by GBH or glyphosate, and little is known about the contribution of co-formulants to the toxicity of herbicides. Currently, alarmingly increased levels of glyphosate have been detected in different environmental matrixes and in foodstuff, becoming an issue of social concern. Some in vitro and in vivo studies have shown that glyphosate and its formulations exhibit estrogen-like properties, and growing evidence has indicated they may disrupt normal endocrine function, with adverse consequences for reproductive health. Moreover, multigenerational effects have been reported and epigenetic mechanisms have been proved to be involved in the alterations induced by the herbicide. In this review, we provide an overview of: i) the routes and levels of human exposure to GBHs, ii) the potential estrogenic effects of glyphosate and GBHs in cell culture and animal models, iii) their long-term effects on female fertility and mechanisms of action, and iv) the consequences on health of successive generations.
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Affiliation(s)
- María Mercedes Milesi
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Virginia Lorenz
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Milena Durando
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - María Florencia Rossetti
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Jorgelina Varayoud
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
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De María M, Silva-Sanchez C, Kroll KJ, Walsh MT, Nouri MZ, Hunter ME, Ross M, Clauss TM, Denslow ND. Chronic exposure to glyphosate in Florida manatee. ENVIRONMENT INTERNATIONAL 2021; 152:106493. [PMID: 33740675 DOI: 10.1016/j.envint.2021.106493] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/24/2021] [Accepted: 02/26/2021] [Indexed: 05/25/2023]
Abstract
Florida manatees depend on freshwater environments as a source of drinking water and as warm-water refuges. These freshwater environments are in direct contact with human activities where glyphosate-based herbicides are being used. Glyphosate is the most used herbicide worldwide and it is intensively used in Florida as a sugarcane ripener and to control invasive aquatic plants. The objective of the present study was to determine the concentration of glyphosate and its breakdown product, aminomethylphosphonic acid (AMPA), in Florida manatee plasma and assess their exposure to manatees seeking a warm-water refuge in Crystal River (west central Florida), and in South Florida. We analyzed glyphosate's and AMPA's concentrations in Florida manatee plasma (n = 105) collected during 2009-2019 using HPLC-MS/MS. We sampled eight Florida water bodies between 2019 and 2020, three times a year: before, during and after the sugarcane harvest using grab samples and molecular imprinted passive Polar Organic Chemical Integrative Samplers (MIP-POCIS). Glyphosate was present in 55.8% of the sampled Florida manatees' plasma. The concentration of glyphosate has significantly increased in Florida manatee samples from 2009 until 2019. Glyphosate and AMPA were ubiquitous in water bodies. The concentration of glyphosate and AMPA was higher in South Florida than in Crystal River, particularly before and during the sugarcane harvest when Florida manatees depend on warm water refuges. Based on our results, Florida manatees were chronically exposed to glyphosate and AMPA, during and beyond the glyphosate applications to sugarcane, possibly associated with multiple uses of glyphosate-based herbicides for other crops or to control aquatic weeds. This chronic exposure in Florida water bodies may have consequences for Florida manatees' immune and renal systems which may further be compounded by other environmental exposures such as red tide or cold stress.
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Affiliation(s)
- Maite De María
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL 32611, USA; Aquatic Animal Health Program, College of Veterinary Medicine, University of Florida, PO Box 100136, Gainesville, FL 32610, USA.
| | - Cecilia Silva-Sanchez
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL 32611, USA.
| | - Kevin J Kroll
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL 32611, USA.
| | - Michael T Walsh
- Aquatic Animal Health Program, College of Veterinary Medicine, University of Florida, PO Box 100136, Gainesville, FL 32610, USA.
| | - Mohammad-Zaman Nouri
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL 32611, USA.
| | - Margaret E Hunter
- U.S. Geological Survey, Wetland and Aquatic Research Center, Gainesville, FL 32653, United States.
| | - Monica Ross
- Clearwater Marine Aquarium, 249 Windward Passage, Clearwater, FL 33767, USA.
| | - Tonya M Clauss
- Georgia Aquarium, Atlanta, Georgia, 225 Baker Street Northwest, Atlanta, GA 30313, USA.
| | - Nancy D Denslow
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, University of Florida, Gainesville, FL 32611, USA; Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL 32610, USA.
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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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47
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Cervantes PW, Corton JC. A Gene Expression Biomarker Predicts Heat Shock Factor 1 Activation in a Gene Expression Compendium. Chem Res Toxicol 2021; 34:1721-1737. [PMID: 34170685 DOI: 10.1021/acs.chemrestox.0c00510] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The United States Environmental Protection Agency (US EPA) recently developed a tiered testing strategy to use advances in high-throughput transcriptomics (HTTr) testing to identify molecular targets of thousands of environmental chemicals that can be linked to adverse outcomes. Here, we describe a method that uses a gene expression biomarker to predict chemical activation of heat shock factor 1 (HSF1), a transcription factor critical for proteome maintenance. The HSF1 biomarker was built from transcript profiles derived from A375 cells exposed to a HSF1-activating heat shock protein (HSP) 90 inhibitor in the presence or absence of HSF1 expression. The resultant 44 identified genes included those that (1) are dependent on HSF1 for regulation, (2) have direct interactions with HSF1 assessed by ChIP-Seq, and (3) are in the molecular chaperone family. To test for accuracy, the biomarker was compared in a pairwise manner to gene lists derived from treatments with known HSF1 activity (HSP and proteasomal inhibitors) using the correlation-based Running Fisher test; the balanced accuracy for prediction was 96%. A microarray compendium consisting of 12,092 microarray comparisons from human cells exposed to 2670 individual chemicals was screened using our approach; 112 and 19 chemicals were identified as putative HSF1 activators or suppressors, respectively, and most appear to be novel modulators. A large percentage of the chemical treatments that induced HSF1 also induced oxidant-activated NRF2 (∼46%). For five compounds or mixtures, we found that NRF2 activation occurred at lower concentrations or at earlier times than HSF1 activation, supporting the concept of a tiered cellular protection system dependent on the level of chemical-induced stress. The approach described here could be used to identify environmentally relevant chemical HSF1 activators in HTTr data sets.
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Affiliation(s)
- Patrick W Cervantes
- Center for Computational Toxicology and Exposure, United States Environmental Protection Agency, Research Triangle Park, North Carolina 27711, United States.,Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison 53706, Wisconsin, United States
| | - J Christopher Corton
- Center for Computational Toxicology and Exposure, United States Environmental Protection Agency, Research Triangle Park, North Carolina 27711, United States
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48
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Sopko B, Tejral G, Bitti G, Abate M, Medvedikova M, Hajduch M, Chloupek J, Fajmonova J, Skoric M, Amler E, Erban T. Glyphosate Interaction with eEF1α1 Indicates Altered Protein Synthesis: Evidence for Reduced Spermatogenesis and Cytostatic Effect. ACS OMEGA 2021; 6:14848-14857. [PMID: 34151066 PMCID: PMC8209799 DOI: 10.1021/acsomega.1c00449] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/18/2021] [Indexed: 06/13/2023]
Abstract
The broad-spectrum herbicide, glyphosate, is considered safe for animals because it selectively affects the shikimate pathway that is specific to plants and microorganisms. We sought a previously unknown mechanism to explain the concerns that glyphosate exposure can negatively affect animals, including humans. Computer modeling showed a probable interaction between glyphosate and eukaryotic translation elongation factor 1 subunit alpha 1 (eEF1α1), which was confirmed by microcalorimetry. Only restricted, nondisrupted spermatogenesis in rats was observed after chronic glyphosate treatments (0.7 and 7 mg/L). Cytostatic and antiproliferative effects of glyphosate in GC-1 and SUP-B15 cells were indicated. Meta-analysis of public health data suggested a possible effect of glyphosate use on sperm count. The in silico, in vitro, and in vivo experimental results as well as the metastatistics indicate side effects of chronic glyphosate exposure. Together, these findings indicate that glyphosate delays protein synthesis through an interaction with eEF1α1, thereby suppressing spermatogenesis and cell growth.
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Affiliation(s)
- Bruno Sopko
- Crop
Research Institute, Prague 161 06, Czechia
- Department
of Medical Chemistry and Clinical Biochemistry, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Prague 150 06, Czechia
- Laboratory
of Tissue Engineering, Institute of Experimental
Medicine, Academy of Sciences of the Czech Republic, Prague 142 20, Czechia
- Biomedicine
and Advanced Biomaterials Department, University Center for Energy
Efficient Buildings, The Czech Technical
University in Prague, Prague, Bustehrad 273 43, Czechia
| | - Gracian Tejral
- Laboratory
of Tissue Engineering, Institute of Experimental
Medicine, Academy of Sciences of the Czech Republic, Prague 142 20, Czechia
- Biomedicine
and Advanced Biomaterials Department, University Center for Energy
Efficient Buildings, The Czech Technical
University in Prague, Prague, Bustehrad 273 43, Czechia
- Department
of Biophysics, 2nd Faculty of Medicine, Charles University, Prague 150 06, Czechia
| | - Guissepe Bitti
- Laboratory
of Tissue Engineering, Institute of Experimental
Medicine, Academy of Sciences of the Czech Republic, Prague 142 20, Czechia
- Biomedicine
and Advanced Biomaterials Department, University Center for Energy
Efficient Buildings, The Czech Technical
University in Prague, Prague, Bustehrad 273 43, Czechia
| | - Marianna Abate
- Department
of Precision Medicine, University of Campania
“Luigi Vanvitelli”, Naples 80131, Italy
| | - Martina Medvedikova
- Institute
of Molecular and Translation Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc 779 00, Czechia
| | - Marian Hajduch
- Institute
of Molecular and Translation Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc 779 00, Czechia
| | - Jan Chloupek
- Department
of Pharmacology and Pharmacy, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences
Brno, Brno 612 42, Czechia
| | - Jolana Fajmonova
- Department
of Pharmacology and Pharmacy, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences
Brno, Brno 612 42, Czechia
| | - Misa Skoric
- Department
of Pathological Morphology and Parasitology, Faculty of Veterinary
Medicine, University of Veterinary and Pharmaceutical
Sciences Brno, Brno 612 42, Czechia
| | - Evzen Amler
- Biomedicine
and Advanced Biomaterials Department, University Center for Energy
Efficient Buildings, The Czech Technical
University in Prague, Prague, Bustehrad 273 43, Czechia
- Department
of Biophysics, 2nd Faculty of Medicine, Charles University, Prague 150 06, Czechia
| | - Tomas Erban
- Crop
Research Institute, Prague 161 06, Czechia
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49
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Aichinger G, Bliem G, Marko D. Systemically Achievable Doses of Beer Flavonoids Induce Estrogenicity in Human Endometrial Cells and Cause Synergistic Effects With Selected Pesticides. Front Nutr 2021; 8:691872. [PMID: 34164426 PMCID: PMC8215115 DOI: 10.3389/fnut.2021.691872] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 05/11/2021] [Indexed: 12/13/2022] Open
Abstract
Some prenylated polyphenols originating from hops, which are thus natural constituents of beer, have been discussed critically for their agonistic potential toward estrogen receptors. So far, little attention has been attributed to the fact that humans are typically not exposed to isolated compounds, but to mixtures which for example might comprise in addition to hop flavonoids further xenoestrogens, e.g., certain pesticides used for plant protection of hops and barley. Thus, we used the alkaline phosphatase assay to assess combinatory estrogenic effects of three signature compounds – xanthohumol, 8-prenylnaringenin and iso-xanthohumol–on Ishikawa cells in a combination that resembled the concentration ratios observable in beer. Moreover, we added this natural flavonoid pattern to a mixture of representative estrogenic pesticides to assess their combined effects. Using state-of-the-art statistical tools, we observed cumulative to slightly synergistic effects between isolated flavonoids as well as the flavonoid and the pesticide mixture. Of potential importance, these effects were found at low nanomolar hop polyphenol concentrations that one can reasonably expect to occur in vivo after the consumption of strongly hopped beer. Taken together, our results imply that cumulative/synergistic estrogenicity should be explored in detail and urgently be incorporated into risk assessment of prenylated chalcones.
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Affiliation(s)
- Georg Aichinger
- Department for Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, Vienna, Austria.,Laboratory of Toxicology, Department of Health Sciences and Technology, Eidgenoessische Technische Hochschule (ETH) Zurich, Zurich, Switzerland
| | - Gloria Bliem
- Department for Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, Vienna, Austria
| | - Doris Marko
- Department for Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, Vienna, Austria
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50
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Costa Reis LT, Sena de Souza J, Hirochi Herai R, Cunha EB, Ribeiro Pereira Soares J, Santos El-Bachá R, Diogenes Amaral da Silva V, Aurelio Romano M, Marino Romano R, Izabel Chiamolera M, Giannocco G, Lima Costa S, Dias da Silva MR, Telles da Cunha Lima S. Intergenerational thyroid hormone homeostasis imbalance in cerebellum of rats perinatally exposed to glyphosate-based herbicide. ENVIRONMENTAL TOXICOLOGY 2021; 36:1031-1042. [PMID: 33512083 DOI: 10.1002/tox.23102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 01/07/2021] [Accepted: 01/10/2021] [Indexed: 05/24/2023]
Abstract
Agrochemicals became a public health concern due to increased human exposure and possible endocrine disruption effects in several organs, including the brain. Thyroid hormones controls neurodevelopment, which turn them sensitive to endocrine disruptors (EDs). In this work, we evaluated the effect of glyphosate-based herbicides (GBH) as an intergenerational endocrine disrupter on thyroid homeostasis in cerebellar cells. Female pregnant Wistar rats were exposed to Roundup Transorb® solution at 5 and 50 mg/kg/day, from gestation day 18 to post-natal day 5 (P5). Cerebellum of male offspring was used to evaluate gene expression. The mRNA levels of thyroid hormone receptors, hormonal conversion enzymes, hormone transporters, as well as, de novo epigenetic regulators were altered, with some of these genes presenting a non-monotonic dose response. Furthermore, metabolomic profile correlation with tested dose demonstrated altered metabolic profile, in agreement with cerebellar gene alterations. Moreover, cerebellar primary cultures exposed to non-toxic GBH concentration presented a decrease level in glial fibrillary acidic protein, a protein regulated by endocrine signals. In conclusion, our results indicate that animals exposed to non-toxic GBH doses during perinatal phase carry intergenerational alterations in key regulators of cellular thyroid hormone homeostasis and epigenetic controllers in adulthood, indicating the possible ED effect of GBH based on epigenetic alterations.
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Affiliation(s)
- Luã Tainã Costa Reis
- Laboratório de Bioprospecção e Biotecnologia Instituto de Biologia, Universidade Federal da Bahia (UFBA), Salvador, Brazil
| | - Janaina Sena de Souza
- Departamento de Medicina Disciplina de Endocrinologia Clínica, Universidade Federal de São Paulo (UNIFESP/EPM), São Paulo, Brazil
| | - Roberto Hirochi Herai
- Graduate Program in Health Sciences, School of Medicine, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba, Brazil
- Research Department, Lico Kaesemodel Institute, Curitiba, Paraná, Brazil
| | - Eduardo Brunetti Cunha
- Graduate Program in Health Sciences, School of Medicine, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba, Brazil
| | | | - Ramon Santos El-Bachá
- Laboratório de Neuroquímica e Biologia Celular, Universidade Federal da Bahia (UFBA), Salvador, Brazil
| | | | - Marco Aurelio Romano
- Departamento de Farmácia, Universidade Estadual do Centro-Oeste (UNICENTRO), Guarapuava, Brazil
| | - Renata Marino Romano
- Departamento de Farmácia, Universidade Estadual do Centro-Oeste (UNICENTRO), Guarapuava, Brazil
| | - Maria Izabel Chiamolera
- Departamento de Medicina Disciplina de Endocrinologia Clínica, Universidade Federal de São Paulo (UNIFESP/EPM), São Paulo, Brazil
| | - Gisele Giannocco
- Departamento de Medicina Disciplina de Endocrinologia Clínica, Universidade Federal de São Paulo (UNIFESP/EPM), São Paulo, Brazil
| | - Silvia Lima Costa
- Laboratório de Neuroquímica e Biologia Celular, Universidade Federal da Bahia (UFBA), Salvador, Brazil
| | - Magnus Régios Dias da Silva
- Departamento de Medicina Disciplina de Endocrinologia Clínica, Universidade Federal de São Paulo (UNIFESP/EPM), São Paulo, Brazil
| | - Suzana Telles da Cunha Lima
- Laboratório de Bioprospecção e Biotecnologia Instituto de Biologia, Universidade Federal da Bahia (UFBA), Salvador, Brazil
- AnaclinGENE, Curitiba, Paraná, Brazil
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