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Ghasemzadeh-Hasankolaei M, Elcombe CS, Powls S, Lea RG, Sinclair KD, Padmanabhan V, Evans NP, Bellingham M. Preconceptional and in utero exposure of sheep to a real-life environmental chemical mixture disrupts key markers of energy metabolism in male offspring. J Neuroendocrinol 2024; 36:e13358. [PMID: 38087451 PMCID: PMC10841670 DOI: 10.1111/jne.13358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/30/2023] [Accepted: 11/01/2023] [Indexed: 01/12/2024]
Abstract
Over recent decades, an extensive array of anthropogenic chemicals have entered the environment and have been implicated in the increased incidence of an array of diseases, including metabolic syndrome. The ubiquitous presence of these environmental chemicals (ECs) necessitates the use of real-life exposure models to the assess cumulative risk burden to metabolic health. Sheep that graze on biosolids-treated pastures are exposed to a real-life mixture of ECs such as phthalates, per- and polyfluoroalkyl substances, heavy metals, pharmaceuticals, pesticides, and metabolites thereof, and this EC exposure can result in metabolic disorders in their offspring. Using this model, we evaluated the effects of gestational exposure to a complex EC mixture on plasma triglyceride (TG) concentrations and metabolic and epigenetic regulatory genes in tissues key to energy regulation and storage, including the hypothalamus, liver, and adipose depots of 11-month-old male offspring. Our results demonstrated a binary effect of EC exposure on gene expression particularly in the hypothalamus. Principal component analysis revealed two subsets (B-S1 [n = 6] and B-S2 [n = 4]) within the biosolids group (B, n = 10), relative to the controls (C, n = 11). Changes in body weight, TG levels, and in gene expression in the hypothalamus, and visceral and subcutaneous fat were apparent between biosolid and control and the two subgroups of biosolids animals. These findings demonstrate that gestational exposure to an EC mixture results in differential regulation of metabolic processes in adult male offspring. Binary effects on hypothalamic gene expression and altered expression of lipid metabolism genes in visceral and subcutaneous fat, coupled with phenotypic outcomes, point to differences in individual susceptibility to EC exposure that could predispose vulnerable individuals to later metabolic dysfunction.
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Affiliation(s)
- Mohammad Ghasemzadeh-Hasankolaei
- School of Biodiversity One Health and Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Chris S Elcombe
- School of Biodiversity One Health and Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Samantha Powls
- School of Biodiversity One Health and Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Richard G Lea
- University of Nottingham, Sutton Bonington Campus, Loughborough, UK
| | - Kevin D Sinclair
- University of Nottingham, Sutton Bonington Campus, Loughborough, UK
| | | | - Neil P Evans
- School of Biodiversity One Health and Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Michelle Bellingham
- School of Biodiversity One Health and Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
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Fernandes Mendonça Mota T, Lima Oliveira W, Gonçalves S, Wust Vasconcelos M, Silvia Beatriz Miglioranza K, Castilhos Ghisi N. Are the issues involving acephate already resolved? A scientometric review. ENVIRONMENTAL RESEARCH 2023; 237:117034. [PMID: 37673123 DOI: 10.1016/j.envres.2023.117034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/22/2023] [Accepted: 08/30/2023] [Indexed: 09/08/2023]
Abstract
Acephate is a pesticide classified as moderately toxic, and its metabolite methamidophos is highly toxic for mammals and birds; even so, it is one of the most used insecticides in pest control for agricultural and domestic use. Acephate toxicity affects both target and non-target organisms and causes serious damage to the environment. There are several studies on different perspectives of acephate, such as monitoring, toxicity, and modeling. In this sense, this research aims to identify the structure of intellectual production on acephate and analyze the gaps and trends of scientific production on acephate through a scientometric analysis. The data was obtained from the Web of Science database, and after the refinement, 1.085 documents were used. A temporal pattern of the main research objectives is displayed. Most selected studies evaluated acephate efficiency, followed by toxicity and residue detection methods. The USA, China, India, Brazil, and Japan had the highest number of publications on acephate. The keywords most utilized were pesticides, toxicity, insecticide resistance, and residue. Research involving acephate requires greater attention from areas such as ecotoxicology, biochemistry, genetics, and biotechnology. There needed to be more discussions on chronic toxicity, genotoxicity, and cytotoxicity. Moreover, few studies about metabolic and biochemical pathways and genes related to acephate action and biodegradation were scarce.
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Affiliation(s)
- Thaís Fernandes Mendonça Mota
- Graduate Program in Biotechnology (PPGBIOTEC), Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança S/n, km 04, Comunidade São Cristóvão, P.O. Box 157, 85660-000, Dois Vizinhos, Paraná, Brazil; Collegiate of Biological Sciences, Universidade Estadual Do Paraná (UNESPAR), Campus Paranavaí, Avenida Gabriel Esperidião, S/n, Jardim Morumbi, 87703-000, Paranavaí, Paraná, Brazil
| | - Wesley Lima Oliveira
- Multiuser Core Laboratory of Biological Analysis and Molecular Biology (BioMol) at Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança S/n, km 04, Comunidade São Cristóvão, P.O. Box 157, 85660-000 Dois Vizinhos, Paraná, Brazil; Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Sandrieli Gonçalves
- Graduate Program in Biotechnology (PPGBIOTEC), Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança S/n, km 04, Comunidade São Cristóvão, P.O. Box 157, 85660-000, Dois Vizinhos, Paraná, Brazil; Multiuser Core Laboratory of Biological Analysis and Molecular Biology (BioMol) at Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança S/n, km 04, Comunidade São Cristóvão, P.O. Box 157, 85660-000 Dois Vizinhos, Paraná, Brazil
| | - Marina Wust Vasconcelos
- Graduate Program in Biotechnology (PPGBIOTEC), Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança S/n, km 04, Comunidade São Cristóvão, P.O. Box 157, 85660-000, Dois Vizinhos, Paraná, Brazil; Multiuser Core Laboratory of Biological Analysis and Molecular Biology (BioMol) at Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança S/n, km 04, Comunidade São Cristóvão, P.O. Box 157, 85660-000 Dois Vizinhos, Paraná, Brazil
| | - Karina Silvia Beatriz Miglioranza
- Laboratorio de Ecotoxicología y Contaminación Ambiental. Instituto de Investigaciones Marinas y Costeras (IIMyC), FCEyN, UNMDP-CONICET. Funes 3350, 7600, Mar Del Plata, Argentina
| | - Nédia Castilhos Ghisi
- Graduate Program in Biotechnology (PPGBIOTEC), Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança S/n, km 04, Comunidade São Cristóvão, P.O. Box 157, 85660-000, Dois Vizinhos, Paraná, Brazil; Multiuser Core Laboratory of Biological Analysis and Molecular Biology (BioMol) at Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança S/n, km 04, Comunidade São Cristóvão, P.O. Box 157, 85660-000 Dois Vizinhos, Paraná, Brazil.
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Palaniswamy S, Abass K, Rysä J, Grimalt JO, Odland JØ, Rautio A, Järvelin MR. Investigating the relationship between non-occupational pesticide exposure and metabolomic biomarkers. Front Public Health 2023; 11:1248609. [PMID: 37900012 PMCID: PMC10602903 DOI: 10.3389/fpubh.2023.1248609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 09/14/2023] [Indexed: 10/31/2023] Open
Abstract
The relationship between pesticide exposures and metabolomics biomarkers is not well understood. We examined the changes in the serum metabolome (early biomarkers) and the metabolic pathways associated with various pesticide exposure scenarios (OPE: overall exposure, PEM: exposure in months, PEY: exposure in years, and PEU: reported specific pesticides use) using data from the Northern Finland Birth Cohort 1966 31-year cross-sectional examination. We utilized questionnaire data on pesticide exposures and serum samples for nuclear magnetic resonance (NMR)-based metabolomics analyses. For exposures and metabolites associations, participants size varied between 2,361 and 5,035. To investigate associations between metabolomics biomarkers and exposure to pesticide scenarios compared to those who reported no exposures multivariable regression analyses stratified by sex and adjustment with covariates (season of pesticide use, socioeconomic position (SEP), alcohol consumption, BMI, and latitude of residence) were performed. Multiple testing by Benjamini-Hochberg false discovery rate (FDR) correction applied. Pesticide exposures differed by sex, season of pesticide use, alcohol, SEP, latitude of residence. Our results showed that all pesticide exposure scenarios were negatively associated with decreased HDL concentrations across all lipoprotein subclasses in women. OPE, PEY, and PEU were associated with decreased branched-chain amino acid concentrations in men and decreased albumin concentrations in women. OPE, PEY and PEU were also associated with changes in glycolysis metabolites and ketone bodies in both sexes. Specific pesticides exposure was negatively associated with sphingolipids and inflammatory biomarkers in men. In women, OPE, PEM, and PEU were associated with decreased apolipoprotein A1 and increased apolipoprotein B/apolipoprotein A1 ratio. Our findings suggest that identification of early biomarkers of disease risk related to pesticide exposures can inform strategies to reduce exposure and investigate causal pathways. Women may be more susceptible to non-occupational pesticide exposures when compared to men, and future sex-specific studies are warranted.
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Affiliation(s)
- Saranya Palaniswamy
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom
- Arctic Health, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Khaled Abass
- Arctic Health, Faculty of Medicine, University of Oulu, Oulu, Finland
- Department of Environmental Health Sciences, College of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Jaana Rysä
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Joan O. Grimalt
- Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for Scientific Research (CSIC), Barcelona, Spain
| | - Jon Øyvind Odland
- The Norwegian University of Science and Technology, Trondheim, Norway
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Arja Rautio
- Department of Environmental Health Sciences, College of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Thule Institute, University of Arctic, University of Oulu, Oulu, Finland
| | - Marjo-Riitta Järvelin
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom
- Unit of Primary Care, Oulu University Hospital, Oulu, Finland
- MRC-PHE Centre for Environment and Health, School of Public Health, Imperial College London, London, United Kingdom
- Department of Life Sciences, College of Health and Life Sciences, Brunel University London, London, United Kingdom
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Melnikov K, Kucharíková S, Bárdyová Z, Botek N, Kaiglová A. Applications of a powerful model organism Caenorhabditis elegans to study the neurotoxicity induced by heavy metals and pesticides. Physiol Res 2023; 72:149-166. [PMID: 37159850 PMCID: PMC10226405 DOI: 10.33549/physiolres.934977] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 02/03/2023] [Indexed: 08/27/2023] Open
Abstract
The expansion of industry and the use of pesticides in agriculture represent one of the major causes of environmental contamination. Unfortunately, individuals and animals are exposed to these foreign and often toxic substances on a daily basis. Therefore, it is crucial to monitor the impact of such chemicals on human health. Several in vitro studies have addressed this issue, but it is difficult to explore the impact of these compounds on living organisms. A nematode Caenorhabditis elegans has become a useful alternative to animal models mainly because of its transparent body, fast growth, short life cycle, and easy cultivation. Furthermore, at the molecular level, there are significant similarities between humans and C. elegans. These unique features make it an excellent model to complement mammalian models in toxicology research. Heavy metals and pesticides, which are considered environmental contaminants, are known to have affected the locomotion, feeding behavior, brood size, growth, life span, and cell death of C. elegans. Today, there are increasing numbers of research articles dedicated to this topic, of which we summarized the most recent findings dedicated to the effect of heavy metals, heavy metal mixtures, and pesticides on the well-characterized nervous system of this nematode.
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Affiliation(s)
- K Melnikov
- Department of Laboratory Medicine, Faculty of Health Care and Social Work, University in Trnava, Slovakia.
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Hou Y, Ding T, Guan Z, Wang J, Yao R, Yu Z, Zhao X. Untargeted metabolomics reveals the preventive effect of quercetin on nephrotoxicity induced by four organophosphorus pesticide mixtures. Food Chem Toxicol 2023; 175:113747. [PMID: 36997054 DOI: 10.1016/j.fct.2023.113747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/17/2023] [Accepted: 03/23/2023] [Indexed: 03/30/2023]
Abstract
This research aimed to explore the protective effect of quercetin against nephrotoxicity induced by four organophosphate pesticide mixtures (PM) using untargeted metabolomics technology in rat kidneys. Sixty male Wistar rats were randomly divided into six groups: control, low-dose quercetin treated (10 mg/kg. bw), high-dose quercetin treated (50 mg/kg. bw), PM-treated, and two dosages of quercetin + PM-treated. Metabolomics results showed that 17 differential metabolites were identified in the PM-treated group, and pathway analysis revealed that renal metabolic disorders include purine metabolism, glycerophospholipid metabolism, and vitamin B6 metabolism. When high-dose quercetin and PM-treated were administered to rats concurrently, the intensities of differential metabolites were substantially restored (p < 0.01), suggesting that quercetin can improve renal metabolic disorders caused by organophosphate pesticides (OPs). Mechanistically, quercetin could regulate the purine metabolism disorder and endoplasmic reticulum stress (ERS)-mediated autophagy induced by OPs by inhibiting XOD activity. Moreover, quercetin inhibits PLA2 activity to regulate glycerophospholipid metabolism and it could also exert antioxidant and anti-inflammatory effects to correct vitamin B6 metabolism in rat kidneys. Taken together, the high dose of quercetin (50 mg/kg.bw) has a certain protective effect on OPs-induced nephrotoxicity in rats, which provides a theoretical basis for quercetin against nephrotoxicity caused by OPs.
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Liang D, Batross J, Fiedler N, Prapamontol T, Suttiwan P, Panuwet P, Naksen W, Baumert BO, Yakimavets V, Tan Y, D'Souza P, Mangklabruks A, Sittiwang S, Kaewthit K, Kohsuwan K, Promkam N, Pingwong S, Ryan PB, Barr DB. Metabolome-wide association study of the relationship between chlorpyrifos exposure and first trimester serum metabolite levels in pregnant Thai farmworkers. ENVIRONMENTAL RESEARCH 2022; 215:114319. [PMID: 36108722 PMCID: PMC9909724 DOI: 10.1016/j.envres.2022.114319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 09/03/2022] [Accepted: 09/07/2022] [Indexed: 06/15/2023]
Abstract
INTRODUCTION Organophosphate (OP) insecticides, including chlorpyrifos, have been linked with numerous harmful health effects on maternal and child health. Limited data are available on the biological mechanisms and endogenous pathways underlying the toxicity of chlorpyrifos exposures on pregnancy and birth outcomes. In this study, we measured a urinary chlorpyrifos metabolite and used high-resolution metabolomics (HRM) to identify biological perturbations associated with chlorpyrifos exposure among pregnant women in Thailand, who are disparately exposed to high levels of OP insecticides. METHODS This study included 50 participants from the Study of Asian Women and their Offspring's Development and Environmental Exposures (SAWASDEE). We used liquid chromatography-high resolution mass spectrometry to conduct metabolic profiling on first trimester serum samples collected from participants to evaluate metabolic perturbations in relation to chlorpyrifos exposures. We measured 3,5,6-trichloro-2-pyridinol (TCPy), a specific metabolite of chlorpyrifos and chlorpyrifos-methyl, in first trimester urine samples to assess the levels of exposures. Following an untargeted metabolome-wide association study workflow, we used generalized linear models, pathway enrichment analyses, and chemical annotation to identify significant metabolites and pathways associated with urinary TCPy levels. RESULTS In the 50 SAWASDEE participants, the median urinary TCPy level was 4.36 μg TCPy/g creatinine. In total, 691 unique metabolic features were found significantly associated with TCPy levels (p < 0.05) after controlling for confounding factors. Pathway analysis of metabolic features associated with TCPy indicated perturbations in 24 metabolic pathways, most closely linked to the production of reactive oxygen species and cellular damage. These pathways include tryptophan metabolism, fatty acid oxidation and peroxisome metabolism, cytochromes P450 metabolism, glutathione metabolism, and vitamin B3 metabolism. We confirmed the chemical identities of 25 metabolites associated with TCPy levels, including glutathione, cystine, arachidic acid, itaconate, and nicotinamide adenine dinucleotide. DISCUSSION The metabolic perturbations associated with TCPy levels were related to oxidative stress, cellular damage and repair, and systemic inflammation, which could ultimately contribute to health outcomes, including neurodevelopmental deficits in the child. These findings support the future development of sensitive biomarkers to investigate the metabolic underpinnings related to pesticide exposure during pregnancy and to understand its link to adverse outcomes in children.
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Affiliation(s)
- Donghai Liang
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA.
| | - Jonathan Batross
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Nancy Fiedler
- Rutgers University, Environmental and Occupational Health Science Institute, Piscataway, NJ, USA
| | - Tippawan Prapamontol
- Chiang Mai University, Research Institute for Health Sciences, Chiang Mai, Thailand
| | - Panrapee Suttiwan
- Chulalongkorn University, Faculty of Psychology, LIFE Di Center, Bangkok, Thailand
| | - Parinya Panuwet
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Warangkana Naksen
- Chiang Mai University, Faculty of Public Health, Chiang Mai, Thailand
| | - Brittney O Baumert
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA; Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Volha Yakimavets
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Youran Tan
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Priya D'Souza
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Ampica Mangklabruks
- Chiang Mai University, Research Institute for Health Sciences, Chiang Mai, Thailand
| | - Supattra Sittiwang
- Chulalongkorn University, Faculty of Psychology, LIFE Di Center, Bangkok, Thailand
| | | | - Kanyapak Kohsuwan
- Department of Forensic Medicine, Faculty of Medicine, Chiang Mai University, Thailand
| | - Nattawadee Promkam
- Chiang Mai University, Research Institute for Health Sciences, Chiang Mai, Thailand
| | - Sureewan Pingwong
- Chiang Mai University, Research Institute for Health Sciences, Chiang Mai, Thailand
| | - P Barry Ryan
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Dana Boyd Barr
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA.
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Cao T, Guo Y, Wang D, Liu Z, Huang S, Peng C, Wang S, Wang Y, Lu Q, Xiao F, Liang Z, Zheng S, Shen J, Wu Y, Lv Z, Ke Y. Effect of Phorate on the Development of Hyperglycaemia in Mouse and Resistance Genes in Intestinal Microbiota. Antibiotics (Basel) 2022; 11:1584. [PMID: 36358236 PMCID: PMC9686891 DOI: 10.3390/antibiotics11111584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/03/2022] [Accepted: 11/07/2022] [Indexed: 11/30/2023] Open
Abstract
Phorate is a systemic, broad-spectrum organophosphorus insecticide. Although it is commonly used worldwide, phorate, like other pesticides, not only causes environmental pollution but also poses serious threats to human and animal health. Herein, we measured the blood glucose concentrations of high-fat-diet-fed mice exposed to various concentrations of phorate (0, 0.005, 0.05, or 0.5 mg/kg); we also assessed the blood glucose concentrations of high-fat-diet-fed mice exposed to phorate; we also assessed the distribution characteristics of the resistance genes in the intestinal microbiota of these mice. We found that 0.005 and 0.5 mg/kg of phorate induced obvious hyperglycaemia in the high-fat-diet-fed mice. Exposure to phorate markedly reduced the abundance of Akkermansia muciniphila in the mouse intestine. The resistance genes vanRG, tetW/N/W, acrD, and evgS were significantly upregulated in the test group compared with the control group. Efflux pumping was the primary mechanism of drug resistance in the Firmicutes, Proteobacteria, Bacteroidetes, Verrucomicrobia, Synergistetes, Spirochaetes, and Actinobacteria found in the mouse intestine. Our findings indicate that changes in the abundance of the intestinal microbiota are closely related to the presence of antibiotic-resistant bacteria in the intestinal tract and the metabolic health of the host.
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Affiliation(s)
- Tingting Cao
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Yajie Guo
- The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518033, China
| | - Dan Wang
- School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Zhiyang Liu
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Suli Huang
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Changfeng Peng
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Shaolin Wang
- College of Veterinary Medicine, China Agricultural University, Beijing 100091, China
| | - Yang Wang
- College of Veterinary Medicine, China Agricultural University, Beijing 100091, China
| | - Qi Lu
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Fan Xiao
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Zhaoyi Liang
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Sijia Zheng
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Jianzhong Shen
- College of Veterinary Medicine, China Agricultural University, Beijing 100091, China
| | - Yongning Wu
- Food Safety Research Unit (2019RU014), Chinese Academy of Medical Science, NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100021, China
| | - Ziquan Lv
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Yuebin Ke
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
- School of Public Health, Southern Medical University, Guangzhou 510515, China
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Elcombe CS, Evans NP, Bellingham M. Critical review and analysis of literature on low dose exposure to chemical mixtures in mammalian in vivo systems. Crit Rev Toxicol 2022; 52:221-238. [PMID: 35894754 PMCID: PMC9530410 DOI: 10.1080/10408444.2022.2091423] [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] [Indexed: 11/03/2022]
Abstract
Anthropogenic chemicals are ubiquitous throughout the environment. Consequentially, humans are exposed to hundreds of anthropogenic chemicals daily. Current chemical risk assessments are primarily based on testing individual chemicals in rodents at doses that are orders of magnitude higher than that of human exposure. The potential risk from exposure to mixtures of chemicals is calculated using mathematical models of mixture toxicity based on these analyses. These calculations, however, do not account for synergistic or antagonistic interactions between co-exposed chemicals. While proven examples of chemical synergy in mixtures at low doses are rare, there is increasing evidence that, through non-conformance to current mixture toxicity models, suggests synergy. This review examined the published studies that have investigated exposure to mixtures of chemicals at low doses in mammalian in vivo systems. Only seven identified studies were sufficient in design to directly examine the appropriateness of current mixture toxicity models, of which three showed responses significantly greater than additivity model predictions. While the remaining identified studies were unable to provide evidence of synergistic toxicity, it became apparent that many results of such studies were not always explicable by current mixture toxicity models. Additionally, two data gaps were identified. Firstly, there is a lack of studies where individual chemical components of a complex mixture (>10 components) are tested in parallel to the chemical mixture. Secondly, there is a lack of dose-response data for mixtures of chemicals at low doses. Such data is essential to address the appropriateness and validity of future chemical mixture toxicity models.
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Affiliation(s)
- Chris S Elcombe
- Institute of Biodiversity Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK.,School of Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Neil P Evans
- Institute of Biodiversity Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Michelle Bellingham
- School of Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
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Konstantinou C, Gaengler S, Oikonomou S, Delplancke T, Charisiadis P, Makris KC. Use of metabolomics in refining the effect of an organic food intervention on biomarkers of exposure to pesticides and biomarkers of oxidative damage in primary school children in Cyprus: A cluster-randomized cross-over trial. ENVIRONMENT INTERNATIONAL 2022; 158:107008. [PMID: 34991267 DOI: 10.1016/j.envint.2021.107008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 11/02/2021] [Accepted: 11/24/2021] [Indexed: 05/22/2023]
Abstract
BACKGROUND Exposure to pesticides has been associated with oxidative stress in animals and humans. Previously, we showed that an organic food intervention reduced pesticide exposure and oxidative damage (OD) biomarkers over time; however associated metabolic changes are not fully understood yet. OBJECTIVES We assessed perturbations of the urine metabolome in response to an organic food intervention for children and its association with pesticides biomarkers [3-phenoxybenzoic acid (3-PBA) and 6-chloronicotinic acid (6-CN)]. We also evaluated the molecular signatures of metabolites associated with biomarkers of OD (8-iso-PGF2a and 8-OHdG) and related biological pathways. METHODS We used data from the ORGANIKO LIFE + trial (NCT02998203), a cluster-randomized cross-over trial conducted among primary school children in Cyprus. Participants (n = 149) were asked to follow an organic food intervention for 40 days and their usual food habits for another 40 days, providing up to six first morning urine samples (>850 samples in total). Untargeted GC-MS metabolomics analysis was performed. Metabolites with RSD ≤ 20% and D-ratio ≤ 50% were retained for analysis. Associations were examined using mixed-effect regression models and corrected for false-discovery rate of 0.05. Pathway analysis followed. RESULTS Following strict quality checks, 156 features remained out of a total of 610. D-glucose was associated with the organic food intervention (β = -0.23, 95% CI: -0.37,-0.10), aminomalonic acid showed a time-dependent increase during the intervention period (βint = 0.012; 95% CI:0.002, 0.022) and was associated with the two OD biomarkers (β = -0.27, 95% CI:-0.34,-0.20 for 8-iso-PGF2a and β = 0.19, 95% CI:0.11,0.28 for 8-OHdG) and uric acid with 8-OHdG (β = 0.19, 95% CI:0.11,0.26). Metabolites were involved in pathways such as the starch and sucrose metabolism and pentose and glucuronate interconversions. DISCUSSION This is the first metabolomics study providing evidence of differential expression of metabolites by an organic food intervention, corroborating the reduction in biomarkers of OD. Further mechanistic evidence is warranted to better understand the biological plausibility of an organic food treatment on children's health outcomes.
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Affiliation(s)
- Corina Konstantinou
- Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Cyprus
| | - Stephanie Gaengler
- Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Cyprus
| | - Stavros Oikonomou
- Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Cyprus
| | - Thibaut Delplancke
- Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Cyprus
| | - Pantelis Charisiadis
- Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Cyprus
| | - Konstantinos C Makris
- Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Cyprus.
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10
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Ning H, Shi D, Tian Z, Liu Z, Wang X, Yan X, Sun C, Niu Y. Metabolomics analysis of urine from rats given long-term high-protein diet using ultra-high-performance liquid chromatography-mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1190:123082. [PMID: 35032889 DOI: 10.1016/j.jchromb.2021.123082] [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: 06/29/2021] [Revised: 09/20/2021] [Accepted: 12/07/2021] [Indexed: 11/20/2022]
Abstract
Previous studies have indicated high-protein diet (HPD) promotes weight loss and improves metabolic parameters, but most of these studies have focused on the impact of short-term, long-term effects remain unclear. In this study, male Wistar rats were fed two diets for 88 weeks: normal control diet (NCD, 20.5% of energy as protein) or HPD (30.5% of energy as protein). At 88 weeks intervention, compared to NCD rats, HPD rats had lower fat tissue and higher skeletal muscle to body weight ratio, but there were no significantly differences in body weight and food intake. To explore the mechanism underlying metabolism and diet, we further collected rat urine samples at 16, 40, 64 and 88 weeks diet treatment and analyzed metabolomics profiles using ultra-high-performance liquid chromatography-mass spectrometry (UHPLC-MS). Partial least squares-discriminant analysis (PLS-DA) scores plots from ESI- or ESI+ model revealed a perfect separation between two diets at four time points. We identified 11 dramatically different metabolites (with VIP cut-off value > 1) in HPD, including 3 up-regulated and 8 down-regulated. And these 11 metabolites were identified as effective biomarkers, which were significantly related to HPD-induced metabolism related outcomes (fat tissue and skeletal muscle to body weight ratio). Our results provided vital information regarding metabolism in long-term HPD and more importantly, a few potentially promising metabolites were firstly identified which may related to metabolic responses.
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Affiliation(s)
- Hua Ning
- National Key Discipline Laboratory, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, PR China
| | - Dan Shi
- Department of Nutrition and Food Hygiene, School of Public Health and Management, Chongqing Medical University, Chongqing 400016, PR China
| | - Zhen Tian
- National Key Discipline Laboratory, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, PR China
| | - Zhipeng Liu
- National Key Discipline Laboratory, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, PR China
| | - Xinyue Wang
- National Key Discipline Laboratory, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, PR China
| | - Xuemin Yan
- National Key Discipline Laboratory, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, PR China
| | - Changhao Sun
- National Key Discipline Laboratory, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, PR China.
| | - Yucun Niu
- National Key Discipline Laboratory, Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, Harbin, PR China.
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11
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Yan Q, Paul KC, Walker DI, Furlong MA, Del Rosario I, Yu Y, Zhang K, Cockburn MG, Jones DP, Ritz BR. High-Resolution Metabolomic Assessment of Pesticide Exposure in Central Valley, California. Chem Res Toxicol 2021; 34:1337-1347. [PMID: 33913694 DOI: 10.1021/acs.chemrestox.0c00523] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Pesticides are widely used in the agricultural Central Valley region of California. Historically, this has included organophosphates (OPs), organochlorines (OCs), and pyrethroids (PYRs). This study aimed to identify perturbations of the serum metabolome in response to each class of pesticide and mutual associations between groups of metabolites and multiple pesticides. We conducted high-resolution metabolomic profiling of serum samples from 176 older adults living in the California Central Valley using liquid chromatography with high-resolution mass spectrometry. We estimated chronic pesticide exposure (from 1974 to year of blood draw) to OPs, OCs, and PYRs from ambient sources at homes and workplaces with a geographic information system (GIS)-based model. Based on partial least-squares regression and pathway enrichment analysis, we identified metabolites and metabolic pathways associated with one or multiple pesticide classes, including mitochondrial energy metabolism, fatty acid and lipid metabolism, and amino acid metabolism. Utilizing an integrative network approach, we found that the fatty acid β-oxidation pathway is a common pathway shared across all three pesticide classes. The disruptions of the serum metabolome suggested that chronic pesticide exposure might result in oxidative stress, inflammatory reactions, and mitochondrial dysfunction, all of which have been previously implicated in a wide variety of diseases. Overall, our findings provided a comprehensive view of the molecular mechanisms of chronic pesticide toxicity, and, for the first time, our approach informs exposome research by moving from macrolevel population exposures to microlevel biologic responses.
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Affiliation(s)
- Qi Yan
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California 90095, United States
| | - Kimberly C Paul
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California 90095, United States
| | - Douglas I Walker
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York 10019, United States
| | - Melissa A Furlong
- Department of Community, Environment, and Policy, University of Arizona Mel and Enid Zuckerman College of Public Health, Tucson, Arizona 85724, United States
| | - Irish Del Rosario
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California 90095, United States
| | - Yu Yu
- Department of Environmental Health Science, UCLA Fielding School of Public Health, Los Angeles, California 90095, United States
| | - Keren Zhang
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California 90095, United States
| | - Myles G Cockburn
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California 90089, United States
| | - Dean P Jones
- Clinical Biomarkers Laboratory, Division of Pulmonary, Allergy, and Critical Care Medicine, School of Medicine, Emory University, Atlanta, Georgia 30322, United States.,Department of Medicine, Emory University, Atlanta, Georgia 30322, United States
| | - Beate R Ritz
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, California 90095, United States.,Department of Neurology, UCLA School of Medicine, Los Angeles, California 90095, United States
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12
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Garcia MS, Cavalcante DNDC, Araújo Santiago MDS, de Medeiros PDC, do Nascimento CC, Fonseca GFC, Le Sueur-Maluf L, Perobelli JE. Reproductive toxicity in male juvenile rats: Antagonistic effects between isolated agrochemicals and in binary or ternary combinations. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 209:111766. [PMID: 33348257 DOI: 10.1016/j.ecoenv.2020.111766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/04/2020] [Accepted: 12/03/2020] [Indexed: 06/12/2023]
Abstract
The management of agrochemicals in Brazilian agriculture impacts global environmental sustainability and food security, since this country is one of the major agro-food exporters in the world. Acephate, carbendazim, and dithiocarbamates (DTCs) such as mancozeb, are among the most detected agrochemicals in Brazilian agro-food products, occurring in combination in several crops, especially in fruit cultures. The present study evaluated the impact of the exposure to isolated agrochemicals and all the combined possible mixtures (binary and ternary forms) on the reproductive parameters of male juvenile rats, known to be a vulnerable biological system and developmental window. Data were analyzed using Generalized Linear Models (GzLM), considering each agrochemical as an independent factor. The study revealed higher reproductive toxicity exerted by isolated agrochemicals when compared to the combined treatments, which exhibited mostly an antagonistic effect. Results suggest endocrine disruptive effects of each one separately on the weight of reproductive organs and testicular histomorphometry, besides changes in testicular SOD activity. The full factorial experimental design employed here allowed us to conclude that it is not possible to scale-up the effects of the isolated treatments to the mixtures, showing how difficult it is to know beforehand the response and cross-talk among the multiple physiological mechanisms disturbed by complex mixtures. Considering that food products are shared on a global scale and that some of these three agrochemicals have already been prohibited in EU countries, the consumption of some Brazilian products puts global human health at risk, that of children.
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Affiliation(s)
- Mariana Simões Garcia
- Experimental Toxicology Laboratory, Instituto do Mar, Federal University of Sao Paulo - UNIFESP, Santos, SP, Brazil
| | | | | | - Paloma Da Cunha de Medeiros
- Experimental Toxicology Laboratory, Instituto do Mar, Federal University of Sao Paulo - UNIFESP, Santos, SP, Brazil
| | | | | | - Luciana Le Sueur-Maluf
- Departamento de Biociências, Federal University of Sao Paulo - UNIFESP, Santos, SP, Brazil
| | - Juliana Elaine Perobelli
- Experimental Toxicology Laboratory, Instituto do Mar, Federal University of Sao Paulo - UNIFESP, Santos, SP, Brazil.
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A Rare Case of Suicide by Ingestion of Phorate: A Case Report and a Review of the Literature. Healthcare (Basel) 2021; 9:healthcare9020131. [PMID: 33572719 PMCID: PMC7912370 DOI: 10.3390/healthcare9020131] [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: 01/05/2021] [Revised: 01/23/2021] [Accepted: 01/26/2021] [Indexed: 12/13/2022] Open
Abstract
Phorate is a systemic organophosphorus pesticide (OP) that acts by inhibiting cholinesterases. Recent studies have reported that long-term low/moderate exposure to OP could be correlated with impaired cardiovascular and pulmonary function and other neurological effects. A 70-year-old farmer died after an intention ingestion of a granular powder mixed with water. He was employed on a farm for over 50 years producing fruit and vegetables, and for about 20 years, he had also applied pesticides. In the last 15 years, he used phorate predominantly. The Phorate concentration detected in gastric contents was 3.29 µg/mL. Chronic exposure to phorate is experimentally studied by histopathological changes observed in the kidney. In the light of current literature, our case confirms that there is an association between renal damage and chronic exposure to phorate in a subject exposed for years to the pesticide. Autopsies and toxicological analyses play a key role in the reconstruction of the dynamics, including the cause of the death.
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14
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Ahmadi E, Khajehali J. Dichlorvos Resistance in the House Fly Populations, Musca domestica, of Iranian Cattle Farms. J Arthropod Borne Dis 2020; 14:344-352. [PMID: 33954208 PMCID: PMC8053071 DOI: 10.18502/jad.v14i4.5271] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Accepted: 11/30/2020] [Indexed: 11/24/2022] Open
Abstract
Background: Insecticide resistance is one of the most important problems associated with the control of Musca domestica, due to the potential of the rapid development of resistance to different chemical insecticides. The present study was carried out to evaluate dichlorvos resistance in the house fly populations collected from central regions of Iran, Isfahan Province and Chaharmahal and Bakhtiari Province, during 2017 to 2019. Methods: Bioassays were carried out using a standard topical application method as well as a fumigation method. The Koohrang population (susceptible) with the lowest LD50 values to dichlorvos was chosen to calculate the resistance ratios (RR). Altered sensitivity of acetylcholinesterase (AChE), a target enzyme for dichlorvos, was investigated. Results: According to the results, very high levels of dichlorvos resistance were observed in the Mobarake population (RR= 80.25-fold by topical application and 33-fold by fumigation bioassay), and Isfahan population (RR= 107.30-fold by topical application and 43-fold by fumigation bioassay) compared to the Koohrang population. Acetylcholinesterase of the Koohrang population was the most sensitive to inhibition by dichlorvos based on the determination of median inhibitory concentration (IC50), but AChE of Mobarake and Isfahan populations were 741.93- and 343.94- fold less sensitive to inhibition. Conclusion: The insensitivity of AChE was possibly involved in dichlorvos resistance in the house fly populations.
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Affiliation(s)
- Ebrahim Ahmadi
- Department of Plant Protection, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
| | - Jahangir Khajehali
- Department of Plant Protection, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
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15
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Farag YMK, Karai Subramanian K, Singh VA, Tatapudi RR, Singh AK. Occupational risk factors for chronic kidney disease in Andhra Pradesh: 'Uddanam Nephropathy'. Ren Fail 2020; 42:1032-1041. [PMID: 33040645 PMCID: PMC7580562 DOI: 10.1080/0886022x.2020.1824924] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND CKD of unknown etiology (CKDu) has been reported in several countries including India. We previously showed a prevalence of CKD in India to be 17.2% and we found a CKD epidemic in Andhra Pradesh (AP) to be 46.8%. We conducted this study to further explore the unexplained CKD epidemic in AP. METHODS We recruited 1201 adult participants through systematic random sampling from eight administrative divisions. Demographic, medical, and detailed occupational history was collected. Anthropometric measurements and blood pressure were taken and blood and urine samples were collected. Poisson regression model was used to identify potential predictors for CKD. RESULTS We analyzed data for 1184 individuals with mean age of 44.6 ± 14.0 years, of whom 44% were male. Prevalence of CKD was 32.2%. Working as a farmer had 20% more prevalence of CKD compared to non-farmers in the fully adjusted model (PR 1.2, 95% CI 1.01-1.42). Age, alcohol consumption, and chewing tobacco were also independent predictors of CKD. Gender, hypertension, and diabetes were not associated with CKD. CONCLUSIONS The prevalence of CKD in AP is 32.2%. Occupational exposure among farmers could play a potential role in this epidemic. Large longitudinal epidemiologic research studies are needed to trace the causes of this problem.
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Affiliation(s)
- Youssef M K Farag
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.,Renal Division, Brigham and Women's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Kuyilan Karai Subramanian
- Renal Division, Brigham and Women's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Vikrum A Singh
- Renal Division, Brigham and Women's Hospital, Boston, MA, USA
| | | | - Ajay K Singh
- Renal Division, Brigham and Women's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
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16
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Leemans M, Couderq S, Demeneix B, Fini JB. Pesticides With Potential Thyroid Hormone-Disrupting Effects: A Review of Recent Data. Front Endocrinol (Lausanne) 2019; 10:743. [PMID: 31920955 PMCID: PMC6915086 DOI: 10.3389/fendo.2019.00743] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 10/14/2019] [Indexed: 12/26/2022] Open
Abstract
Plant Protection Products, more commonly referred to as pesticides and biocides, are used to control a wide range of yield-reducing pests including insects, fungi, nematodes, and weeds. Concern has been raised that some pesticides may act as endocrine disrupting chemicals (EDCs) with the potential to interfere with the hormone systems of non-target invertebrates and vertebrates, including humans. EDCs act at low doses and particularly vulnerable periods of exposure include pre- and perinatal development. Of critical concern is the number of pesticides with the potential to interfere with the developing nervous system and brain, notably with thyroid hormone signaling. Across vertebrates, thyroid hormone orchestrates metamorphosis, brain development, and metabolism. Pesticide action on thyroid homeostasis can involve interference with TH production and its control, displacement from distributor proteins and liver metabolism. Here we focused on thyroid endpoints for each of the different classes of pesticides reviewing epidemiological and experimental studies carried out both in in vivo and in vitro. We conclude first, that many pesticides were placed on the market with insufficient testing, other than acute or chronic toxicity, and second, that thyroid-specific endpoints for neurodevelopmental effects and mixture assessment are largely absent from regulatory directives.
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Affiliation(s)
- Michelle Leemans
- Muséum National d'Histoire Naturelle, CNRS UMR 7221, Laboratoire Physiologie moléculaire de l'adaptation, Paris, France
| | | | | | - Jean-Baptiste Fini
- Muséum National d'Histoire Naturelle, CNRS UMR 7221, Laboratoire Physiologie moléculaire de l'adaptation, Paris, France
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17
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Derbalah A, Chidya R, Jadoon W, Sakugawa H. Temporal trends in organophosphorus pesticides use and concentrations in river water in Japan, and risk assessment. J Environ Sci (China) 2019; 79:135-152. [PMID: 30784439 DOI: 10.1016/j.jes.2018.11.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 11/27/2018] [Accepted: 11/29/2018] [Indexed: 06/09/2023]
Abstract
We reviewed organophosphorus pesticide use in Japan between 1982 and 2016 using data from the National Institute of Environmental Studies. Organophosphorus pesticide concentrations in river water throughout Japan were taken from the literature, and risk assessments were performed for some organophosphorus pesticides based on risk quotients and hazard quotients. Assessments were performed for 20 common pesticides, including insecticides, fungicides, and herbicides. The amounts used decreased in the order: insecticides > herbicides > fungicides. Organophosphorus insecticide and fungicide use have decreased over the last four decades, but organophosphorus herbicide use has increased. During this period, annual organophosphorus pesticide use was the highest for chlorpyrifos (105,263 tons/year) and the lowest for glyphosate-sodium (8 tons/year). The ecotoxicological risk assessment indicated that diazinon and fenitrothion posed strong risks to the Japanese aquatic environment, and chlorpyrifos and malathion have moderate risks. None of the pesticides that were assessed posed significant risks to humans. Continued use of organophosphorus pesticides in Japan may cause strong risks to aquatic environments. These risks should be reassessed periodically.
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Affiliation(s)
- Aly Derbalah
- Graduate School of Biosphere Science 1-7-1, Kagamiyama, Higashi-Hiroshima, Japan; Pesticides Chemistry and Toxicology Department, Faculty of Agriculture, Kafrelsheikh University, 33516, Egypt.
| | - Russel Chidya
- Graduate School of Biosphere Science 1-7-1, Kagamiyama, Higashi-Hiroshima, Japan; Department of Water Resources Management and Development, Faculty of Environmental Sciences, Mzuzu University, P/Bag 201, Luwinga, Mzuzu, Malawi
| | - Waqar Jadoon
- Graduate School of Biosphere Science 1-7-1, Kagamiyama, Higashi-Hiroshima, Japan
| | - Hiroshi Sakugawa
- Graduate School of Biosphere Science 1-7-1, Kagamiyama, Higashi-Hiroshima, Japan.
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18
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Li C, Ma Y, Mi Z, Huo R, Zhou T, Hai H, Kwok LY, Sun Z, Chen Y, Zhang H. Screening for Lactobacillus plantarum Strains That Possess Organophosphorus Pesticide-Degrading Activity and Metabolomic Analysis of Phorate Degradation. Front Microbiol 2018; 9:2048. [PMID: 30233531 PMCID: PMC6130228 DOI: 10.3389/fmicb.2018.02048] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 08/13/2018] [Indexed: 12/17/2022] Open
Abstract
This work performed a large scale assessment for organophosphorus pesticides (OPPs) degradation activity of 121 Lactobacillus (L.) plantarum strains. Six L. plantarum strains (P9, IMAU80110, IMAU40100, IMAU10585, IMAU10209, and IMAU80070) were found to possess high capacity of degrading three commonly used OPPs, namely dimethoate, phorate, and omethoate; and they were selected for more detailed characterization. Moreover, the three OPPs were mainly detected in the culture supernatants but not in the cell extracts, further confirming that the OPPs were degraded rather than absorbed by the cells. Among the six selected strains, P9 was most tolerant to gastrointestinal juices and bile. We thus used ultra-high performance liquid chromatography electron spray ionization coupled with time-of-flight mass spectrometry (UPLC/ESI-Q-TOF/MS) to generate the metabolomic profiles of the strain P9 growing in MRS medium with and without containing phorate. By using orthogonal partial least squares discriminant analysis, we identified some potential phorate-derived degradative products. This work has identified novel lactic acid bacteria resources for application in pesticide degradation. Our results also shed light on the phorate degradation mechanism by L. plantarum P9.
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Affiliation(s)
- Changkun Li
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Huhhot, China
- Key Laboratory of Dairy Products Processing, Ministry of Agriculture, Inner Mongolia Agricultural University, Huhhot, China
| | - Yuzhu Ma
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Huhhot, China
| | - Zhihui Mi
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Huhhot, China
- Key Laboratory of Dairy Products Processing, Ministry of Agriculture, Inner Mongolia Agricultural University, Huhhot, China
| | - Rui Huo
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Huhhot, China
- Key Laboratory of Dairy Products Processing, Ministry of Agriculture, Inner Mongolia Agricultural University, Huhhot, China
| | - Tingting Zhou
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Huhhot, China
- Key Laboratory of Dairy Products Processing, Ministry of Agriculture, Inner Mongolia Agricultural University, Huhhot, China
| | - Huricha Hai
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Huhhot, China
- Key Laboratory of Dairy Products Processing, Ministry of Agriculture, Inner Mongolia Agricultural University, Huhhot, China
| | - Lai-yu Kwok
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Huhhot, China
- Key Laboratory of Dairy Products Processing, Ministry of Agriculture, Inner Mongolia Agricultural University, Huhhot, China
| | - Zhihong Sun
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Huhhot, China
- Key Laboratory of Dairy Products Processing, Ministry of Agriculture, Inner Mongolia Agricultural University, Huhhot, China
| | - Yongfu Chen
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Huhhot, China
- Key Laboratory of Dairy Products Processing, Ministry of Agriculture, Inner Mongolia Agricultural University, Huhhot, China
| | - Heping Zhang
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Huhhot, China
- Key Laboratory of Dairy Products Processing, Ministry of Agriculture, Inner Mongolia Agricultural University, Huhhot, China
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19
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Metabolomics of Hydrazine-Induced Hepatotoxicity in Rats for Discovering Potential Biomarkers. DISEASE MARKERS 2018; 2018:8473161. [PMID: 29849827 PMCID: PMC5914126 DOI: 10.1155/2018/8473161] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 11/20/2017] [Indexed: 01/05/2023]
Abstract
Metabolic pathway disturbances associated with drug-induced liver injury remain unsatisfactorily characterized. Diagnostic biomarkers for hepatotoxicity have been used to minimize drug-induced liver injury and to increase the clinical safety. A metabolomics strategy using rapid-resolution liquid chromatography/tandem mass spectrometry (RRLC-MS/MS) analyses and multivariate statistics was implemented to identify potential biomarkers for hydrazine-induced hepatotoxicity. The global serum and urine metabolomics of 30 hydrazine-treated rats at 24 or 48 h postdosing and 24 healthy rats were characterized by a metabolomics approach. Multivariate statistical data analyses and receiver operating characteristic (ROC) curves were performed to identify the most significantly altered metabolites. The 16 most significant potential biomarkers were identified to be closely related to hydrazine-induced liver injury. The combination of these biomarkers had an area under the curve (AUC) > 0.85, with 100% specificity and sensitivity, respectively. This high-quality classification group included amino acids and their derivatives, glutathione metabolites, vitamins, fatty acids, intermediates of pyrimidine metabolism, and lipids. Additionally, metabolomics pathway analyses confirmed that phenylalanine, tyrosine, and tryptophan biosynthesis as well as tyrosine metabolism had great interactions with hydrazine-induced liver injury in rats. These discriminating metabolites might be useful in understanding the pathogenesis mechanisms of liver injury and provide good prospects for drug-induced liver injury diagnosis clinically.
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20
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C. elegans as a model in developmental neurotoxicology. Toxicol Appl Pharmacol 2018; 354:126-135. [PMID: 29550512 DOI: 10.1016/j.taap.2018.03.016] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 02/28/2018] [Accepted: 03/12/2018] [Indexed: 12/22/2022]
Abstract
Due to many advantages Caenorhabditis elegans (C. elegans) has become a preferred model of choice in many fields, including neurodevelopmental toxicity studies. This review discusses the benefits of using C. elegans as an alternative to mammalian systems and gives examples of the uses of the nematode in evaluating the effects of major known neurodevelopmental toxins, including manganese, mercury, lead, fluoride, arsenic and organophosphorus pesticides. Reviewed data indicates numerous similarities with mammals in response to these toxins. Thus, C. elegans studies have the potential to predict possible effects of developmental neurotoxicants in higher animals, and may be used to identify new molecular pathways behind neurodevelopmental disruptions, as well as new toxicants.
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Gao HT, Xu R, Cao WX, Di QN, Li RX, Lu L, Xu Q, Yu SQ. Combined effects of simultaneous exposure to six phthalates and emulsifier glycerol monosterate on male reproductive system in rats. Toxicol Appl Pharmacol 2018; 341:87-97. [DOI: 10.1016/j.taap.2018.01.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 01/17/2018] [Accepted: 01/18/2018] [Indexed: 02/02/2023]
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Zhang Y, You JZ, Zhou Y, Zhang PW, Qin DQ, Zhang ZX. The effect of dichlorvos on control of drosophila and its safety evaluation under different application methods. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:22940-22947. [PMID: 28815365 DOI: 10.1007/s11356-017-9879-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 08/01/2017] [Indexed: 06/07/2023]
Abstract
Drosophila is a common strawberry pest. In this work, toxicities of the 77.5% EC dichlorvos to 3rd instar larvae and adults of drosophila were evaluated through indoor bioassays and field bioassays, respectively. To insure the safety, dichlorvos dissipation and terminal residue in strawberry by different application methods under field conditions were determined by high-performance liquid chromatography. The decline curves of dichlorvos residues in strawberry corresponded with first-order kinetics, and dichlorvos dissipated rapidly in strawberry with half-life (t1/2) of 7.58-13.17 h. Terminal residues below the maximum residue limit of strawberry and soil in different distance were achieved after 24 h under different application methods. This article provides guidance to the proper and safe use of dichlorvos in agriculture; it is more reasonable that dichlorvos is applied by embedding on the ground near the strawberry plants covered plastic film with holes.
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Affiliation(s)
- Yue Zhang
- South China Agricultural University, Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou, 510642, China
| | - Jing Zheng You
- South China Agricultural University, Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, 510642, China
| | - You Zhou
- South China Agricultural University, Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, 510642, China
| | - Pei Wen Zhang
- South China Agricultural University, Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, 510642, China
| | - De Qiang Qin
- South China Agricultural University, Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, 510642, China
| | - Zhi Xiang Zhang
- South China Agricultural University, Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, 510642, China.
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangzhou, 510642, China.
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Ribeiro TA, Prates KV, Pavanello A, Malta A, Tófolo LP, Martins IP, Oliveira JCD, Miranda RA, Gomes RM, Vieira E, Franco CCDS, Barella LF, Francisco FA, Alves VS, Silveira SDS, Moreira VM, Fabricio GS, Palma-Rigo K, Sloboda DM, Mathias PCDF. Acephate exposure during a perinatal life program to type 2 diabetes. Toxicology 2016; 372:12-21. [PMID: 27765684 DOI: 10.1016/j.tox.2016.10.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2016] [Revised: 10/07/2016] [Accepted: 10/15/2016] [Indexed: 01/10/2023]
Abstract
Acephate has been used extensively as an insecticide in agriculture. Its downstream sequelae are associated with hyperglycemia, lipid metabolism dysfunction, DNA damage, and cancer, which are rapidly growing epidemics and which lead to increased morbidity and mortality rates and soaring health-care costs. Developing interventions will require a comprehensive understanding of which excess insecticides during perinatal life can cause insulin resistance and type 2 diabetes. A Wistar rat animal model suggests that acephate exposure during pregnancy and lactation causes alterations in maternal glucose metabolism and programs the offspring to be susceptible to type 2 diabetes at adulthood. Therapeutic approaches based on preventive actions to food contaminated with insecticides during pregnancy and lactation could prevent new cases of type 2 diabetes.
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Affiliation(s)
- Tatiane Aparecida Ribeiro
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil.
| | - Kelly Valério Prates
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Audrei Pavanello
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Ananda Malta
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Laize Peron Tófolo
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Isabela Peixoto Martins
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Júlio Cezar de Oliveira
- Institute of Health Sciences, Federal University of Mato Grosso, 78.557-267 Sinop, MT, Brazil
| | - Rosiane Aparecida Miranda
- Laboratory of Molecular Endocrinology, Carlos Chagas Filho Biophysis Institute, Federal University of Rio de Janeiro, 21.941-902 Rio de Janeiro, RJ, Brazil
| | - Rodrigo Mello Gomes
- Laboratory of Neuroscience and Cardiovascular Physiology, Department of Physiological Sciences, Federal University of Goiás, 74690-900 Goiânia, GO, Brazil
| | - Elaine Vieira
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Claudinéia Conationi da Silva Franco
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Luiz Felipe Barella
- Molecular Signalling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, 20892 Bethesda, MD, USA
| | - Flávio Andrade Francisco
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Vander Silva Alves
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Sandra da Silva Silveira
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Veridiana Mota Moreira
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Gabriel Sergio Fabricio
- Univ. Lille, CNRS, UMR 8576, UGSF, Unité de Glycobiologie Structurale et Fonctionnelle, 59000 Lille, France
| | - Kesia Palma-Rigo
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil
| | - Deborah M Sloboda
- Department of Biochemistry and Biomedical Sciences, Ob/Gyn, and Pediatrics MacMaster University-8S 4L8, Hamilton, Ontario, Canada
| | - Paulo Cezar de Freitas Mathias
- Laboratory of Secretion Cell Biology, Department of Biotechnology, Genetics and Cell Biology, State University of Maringá-5790, 87020-900 Maringá, PR, Brazil; UPSP-EGEAL Institut Polytechnique LaSalle de Beauvais, BP, 30313-60026 Beauvais Cedex, France
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Qi L, Cao C, Hu L, Chen S, Zhao X, Sun C. Metabonomic analysis of the protective effect of quercetin on the toxicity induced by mixture of organophosphate pesticides in rat urine. Hum Exp Toxicol 2016; 36:494-507. [DOI: 10.1177/0960327116652460] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The present study aims to investigate the protective effect of quercetin against the joint toxic action induced by the mixture of four organophosphate pesticides (mixture-OPs) (dimethoate, acephate, dichlorvos, and phorate) at their corresponding no observed adverse effect level (NOAEL) using metabonomics. Rats were randomly divided into control, quercetin-treated, mixture-OPs-treated, and quercetin plus mixture-OPs-treated groups. Mixture-OPs and quercetin were given to the rats daily through drinking water and intragastric administration, respectively, for 90 days. The metabonomic profiles of rat urine were analyzed using ultra-performance liquid chromatography–mass spectrometry (UPLC/MS). The 14 metabolites significantly changed in the treatment groups compared with the control group, including the biomarkers of OPs exposure (dimethylphosphate, dimethyldithiophosphate, diethylphosphate) and the metabolites of quercetin (quercetin and isorhamnetina). The intensities of gentisic acid, creatinine, suberic acid, hippuric acid, uric acid, and citric acid significantly decreased, whereas the intensities of 7-methylguanine, estrone sulfate, and cholic acid significantly increased, in the mixture-OPs-treated group compared with the control group ( p < 0.01). The variation tendency of the aforementioned metabolites was significantly ameliorated in the high-dose quercetin (50 mg/(kg bw day)) plus mixture-OPs-treated group compared with the mixture-OPs-treated group ( p < 0.05). However, the intensities of these metabolites in the high-dose quercetin plus mixture-OPs-treated group were still significantly different from those of the control group ( p < 0.05). Results indicated that high dose of quercetin elicits a partial protective effect on the toxicity induced by mixture-OPs, including fatty acid and energy metabolism, antioxidant defense system, DNA damage, and liver and kidney function.
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Affiliation(s)
- L Qi
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - C Cao
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - L Hu
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - S Chen
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - X Zhao
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - C Sun
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
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Li S, Cao C, Shi H, Yang S, Qi L, Zhao X, Sun C. Effect of quercetin against mixture of four organophosphate pesticides induced nephrotoxicity in rats. Xenobiotica 2015; 46:225-33. [DOI: 10.3109/00498254.2015.1070443] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Overexpression of hsp27 Rescued Neuronal Cell Death and Reduction in Life- and Health-Span in Drosophila melanogaster Against Prolonged Exposure to Dichlorvos. Mol Neurobiol 2015; 53:3179-3193. [DOI: 10.1007/s12035-015-9221-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Accepted: 05/21/2015] [Indexed: 10/23/2022]
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27
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Pandey A, Khatoon R, Saini S, Vimal D, Patel DK, Narayan G, Chowdhuri DK. Efficacy of methuselah gene mutation toward tolerance of dichlorvos exposure in Drosophila melanogaster. Free Radic Biol Med 2015; 83:54-65. [PMID: 25746179 DOI: 10.1016/j.freeradbiomed.2015.02.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Revised: 02/11/2015] [Accepted: 02/12/2015] [Indexed: 11/19/2022]
Abstract
Adverse reports on the exposure of organisms to dichlorvos (DDVP; an organophosphate insecticide) necessitate studies of organismal resistance/tolerance by way of pharmacological or genetic means. In the context of genetic modulation, a mutation in methuselah (mth; encodes a class II G-protein-coupled receptor (GPCR)) is reported to extend (~35%) the life span of Drosophila melanogaster and enhance their resistance to oxidative stress induced by paraquat exposure (short term, high level). A lack of studies on organismal tolerance of DDVP by genetic modulation prompted us to examine the protective efficacy of mth mutation in exposed Drosophila. Flies were exposed to 1.5 and 15.0 ng/ml DDVP for 12-48 h to examine oxidative stress endpoints and chemical resistance. After prolonged exposure of flies to DDVP, antioxidant enzyme activities, oxidative stress, glutathione content, and locomotor performance were assayed at various days (0, 10, 20, 30, 40, 50) of age. Flies with the mth mutation (mth(1)) showed improved chemical resistance and rescued redox impairment after acute DDVP exposure. Exposed mth(1) flies exhibited improved life span along with enhanced antioxidant enzyme activities and rescued oxidative perturbations and locomotor insufficiency up to middle age (~20 days) over similarly exposed w(1118) flies. However, at late (≥30 days) age, these benefits were undermined. Further, similarly exposed mth-knockdown flies showed effects similar to those observed in mth(1) flies. This study provides evidence of tolerance in organisms carrying a mth mutation against prolonged DDVP exposure and further warrants examination of similar class II GPCR signaling facets toward better organismal health.
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Affiliation(s)
- Ashutosh Pandey
- Embryotoxicology Section, CSIR-Indian Institute of Toxicology Research, Lucknow 226001, Uttar Pradesh, India; Department of Molecular and Human Genetics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Rehana Khatoon
- Embryotoxicology Section, CSIR-Indian Institute of Toxicology Research, Lucknow 226001, Uttar Pradesh, India
| | - Sanjay Saini
- Embryotoxicology Section, CSIR-Indian Institute of Toxicology Research, Lucknow 226001, Uttar Pradesh, India
| | - Divya Vimal
- Embryotoxicology Section, CSIR-Indian Institute of Toxicology Research, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, India
| | - Devendra Kumar Patel
- Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, India; Analytical Chemistry Section, CSIR-Indian Institute of Toxicology Research, Lucknow 226001, Uttar Pradesh, India
| | - Gopeshwar Narayan
- Department of Molecular and Human Genetics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Debapratim Kar Chowdhuri
- Embryotoxicology Section, CSIR-Indian Institute of Toxicology Research, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, India.
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Colet JM. Metabonomics in the preclinical and environmental toxicity field. DRUG DISCOVERY TODAY. TECHNOLOGIES 2015; 13:3-10. [PMID: 26190677 DOI: 10.1016/j.ddtec.2015.01.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Revised: 12/22/2014] [Accepted: 01/05/2015] [Indexed: 06/04/2023]
Abstract
Preclinical studies assess both efficacy and safety of new drugs through a series of assays used to identify potential target organs and determine safety thresholds. However, despite these efforts, too many drugs prove toxic to humans during clinical phases or later on the market. This paper reviews how metabonomics, one of the key players in systems biology, should be able to assist toxicologists in better predicting the adverse effects of xenobiotics.
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Affiliation(s)
- Jean-Marie Colet
- University of Mons, Department of Human Biology & Toxicology, 20, Place du Parc, 7000 Mons, Belgium.
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Celik MM, Alp A, Dokuyucu R, Zemheri E, Ozkanli S, Ertekin F, Yaldiz M, Akdag A, Ipci O, Toprak S. Protective Effects of Intralipid and Caffeic Acid Phenethyl Ester on Nephrotoxicity Caused by Dichlorvos in Rats. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2015; 2015:491406. [PMID: 26504614 PMCID: PMC4609457 DOI: 10.1155/2015/491406] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2014] [Revised: 02/02/2015] [Accepted: 02/17/2015] [Indexed: 05/10/2023]
Abstract
The protective effects of Caffeic Acid Phenethyl Ester (CAPE) and intralipid (IL) on nephrotoxicity caused by acute Dichlorvos (D) toxicity were investigated in this study. Forty-eight Wistar Albino rats were divided into 7 groups as follows: Control, D, CAPE, intralipid, D + CAPE, D + IL, and D + CAPE + IL. When compared to D group, the oxidative stress index (OSI) values were significantly lower in Control, CAPE, and D + IL + CAPE groups. When compared to D + IL + CAPE group, the TOS and OSI values were significantly higher in D group (P < 0.05). When mitotic cell counts were assessed in the renal tissues, it was found that mitotic cell count was significantly higher in the D group while it was lower in the D + CAPE, D + IL, and D + IL + CAPE groups when compared to the control group (P < 0.05). Also, immune reactivity showed increased apoptosis in D group and low profile of apoptosis in the D + CAPE group when compared to the Control group. The apoptosis level was significantly lower in D + IL + CAPE compared to D group (P < 0.05) in the kidneys. As a result, we concluded that Dichlorvos can be used either alone or in combination with CAPE and IL as supportive therapy or as facilitator for the therapeutic effect of the routine treatment in the patients presenting with pesticide poisoning.
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Affiliation(s)
- Muhammet Murat Celik
- Department of Internal Medicine, Medical Faculty, Mustafa Kemal University, 31000 Hatay, Turkey
- *Muhammet Murat Celik:
| | - Ayse Alp
- Department of Biochemistry, The Government Hospital of Obstetrics and Gynecology, 31000 Hatay, Turkey
| | - Recep Dokuyucu
- Department of Medical Physiology, Medical Faculty, Mustafa Kemal University, 31000 Hatay, Turkey
| | - Ebru Zemheri
- Department of Pathology, Medeniyet University Goztepe Training and Research Hospital, 81054 Istanbul, Turkey
| | - Seyma Ozkanli
- Department of Pathology, Medeniyet University Goztepe Training and Research Hospital, 81054 Istanbul, Turkey
| | - Filiz Ertekin
- Department of Internal Medicine, Ministry of Health Batman Regional Government Hospital, 72000 Batman, Turkey
| | - Mehmet Yaldiz
- Department of Medical Pathology, Medical Faculty, Mustafa Kemal University, 31000 Hatay, Turkey
| | - Abdurrahman Akdag
- Department of Chemistry, Science and Arts Faculty, Mustafa Kemal University, 31000 Hatay, Turkey
| | - Ozlem Ipci
- Department of Medical Pathology, Medical Faculty, Mustafa Kemal University, 31000 Hatay, Turkey
| | - Serhat Toprak
- Department of Medical Pathology, Medical Faculty, Mustafa Kemal University, 31000 Hatay, Turkey
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Hou Y, Cao C, Bao W, Yang S, Shi H, Hao D, Zhao X, Wu Y. The plasma metabolic profiling of chronic acephate exposure in rats via an ultra-performance liquid chromatography-mass spectrometry based metabonomic method. MOLECULAR BIOSYSTEMS 2014; 11:506-15. [PMID: 25418677 DOI: 10.1039/c4mb00523f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This study aimed to investigate the toxic effects of long-term, low-dose acephate administration on rats using ultra-performance liquid chromatography-mass spectrometry. A total of 120 male Wistar rats were randomly assigned to different groups: control; low-dose acephate (0.5 mg kg(-1) bw(-1)); middle-dose acephate (1.5 mg kg(-1) bw(-1)); and high-dose acephate (4.5 mg kg(-1) bw(-1)). The rats continuously received acephate via drinking water for 24 weeks. Rat plasma samples were collected at different time points to measure metabonomic profiles. Liver tissues were subjected to histopathological examination. The results showed that 10 metabolites in the plasma were significantly changed in the treated groups compared with those in the control group (P < 0.05 or P < 0.01). Exposure to acephate resulted in increased lysoPC (15 : 0), lysoPC (16 : 0), lysoPC (O-18 : 0), lysoPC (18 : 1(9Z)), lysoPC (18 : 0), lysoPC (20 : 4(5Z, 8Z, 11Z, 14Z)), arachidonic acid, and 12-HETE as well as decreased tryptophan and indoleacrylic acid in rat plasma. Moreover, the contents of high-density lipoprotein, low-density lipoprotein, triglyceride, total cholesterol, free fatty acids, and malondialdehyde, as well as the activities of superoxide dismutase and phospholipaseA2 in the serum, were significantly changed in the middle- and high-dose groups compared with those in the control group (P < 0.05 or P < 0.01). Histopathological examination results revealed that exposure to acephate may induce vacuolar degeneration in the liver cell cytoplasm, fat degeneration, and liver cell necrosis. These results indicated that exposure to acephate disrupted metabolism of lipids and amino acids, induced oxidative stress, caused neurotoxicity, and resulted in liver dysfunction.
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Affiliation(s)
- Yurong Hou
- Public Health College, Harbin Medical Unviersity, 194 Xuefu Road, NangangDistrict, Harbin, Heilongjiang 150081, P. R. China.
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