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Chahardehi AM, Hosseini Y, Mahdavi SM, Naseh I. The Zebrafish Model as a New Discovery Path for Medicinal Plants in the Treatment of Parkinson's Disease. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:306-314. [PMID: 36999188 DOI: 10.2174/1871527322666230330111712] [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: 06/13/2022] [Revised: 12/29/2022] [Accepted: 01/11/2023] [Indexed: 04/01/2023]
Abstract
Parkinson's disease (PD) is one of the most frequent degenerative central nervous system disorders affecting older adults. Dopaminergic neuron failure in the substantia nigra is a pathological sign connected with the motor shortfall of PD. Due to their low teratogenic and adverse effect potential, medicinal herbs have emerged as a promising therapy option for preventing and curing PD and other neurodegenerative disorders. However, the mechanism through which natural compounds provide neuroprotection against PD remains unknown. While testing compounds in vertebrates such as mice is prohibitively expensive and time-consuming, zebrafish (Danio rerio) may offer an appealing alternative because they are vertebrates and share many of the same characteristics as humans. Zebrafish are commonly used as animal models for studying many human diseases, and their molecular history and bioimaging properties are appropriate for the study of PD. However, a literature review indicated that only six plants, including Alpinia oxyhylla, Bacopa monnieri, Canavalia gladiate, Centella asiatica, Paeonia suffruticosa, and Stachytarpheta indica had been investigated as potential PD treatments using the zebrafish model. Only C. asiatica and B. monnieri were found to have potential anti-PD activity. In addition to reviewing the current state of research in this field, these plants' putative mechanisms of action against PD are explored, and accessible assays for investigation are made.
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Affiliation(s)
| | - Yasaman Hosseini
- Cognitive Neuroscience Research Center, AJA University of Medical Sciences, Tehran, Iran
| | - Seyed Mohammad Mahdavi
- Department of Bioscience and Biotechnology, Malek Ashtar University of Technology (MUT), Tehran, Iran
| | - Iman Naseh
- Cognitive Neuroscience Research Center, AJA University of Medical Sciences, Tehran, Iran
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2
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Andrew A, Zhou J, Gui J, Harrison A, Shi X, Li M, Guetti B, Nathan R, Tischbein M, Pioro EP, Stommel E, Bradley W. Pesticides applied to crops and amyotrophic lateral sclerosis risk in the U.S. Neurotoxicology 2021; 87:128-135. [PMID: 34562505 PMCID: PMC10756230 DOI: 10.1016/j.neuro.2021.09.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 09/20/2021] [Accepted: 09/20/2021] [Indexed: 01/25/2023]
Abstract
BACKGROUND Environmental exposures are implicated in the etiology of amyotrophic lateral sclerosis (ALS). Application of insecticides, herbicides, and fungicides with neurotoxic properties to crops is permitted in the U.S., however reporting of the quantities is government mandated. OBJECTIVE To identify pesticides that may be associated with ALS etiology for future study. METHODS We geospatially estimated exposure to crop-applied pesticides as risk factors for ALS in a large de-identified medical claims database, the SYMPHONY Integrated Dataverse®. We extracted residence at diagnosis of ∼26,000 nationally distributed ALS patients, and matched non-ALS controls. We mapped county-level U.S. Geological Survey data on applications of 423 pesticides to estimate local residential exposure. We randomly broke the SYMPHONY dataset into two groups to form independent discovery and validation cohorts, then confirmed top hits using residential history information from a study of NH, VT, and OH. RESULTS Pesticides with the largest positive statistically significant associations in both the discovery and the validation studies and evidence of neurotoxicity in the literature were the herbicides 2,4-D (OR 1.25 95 % CI 1.17-1.34) and glyphosate (OR 1.29 95 %CI 1.19-1.39), and the insecticides carbaryl (OR 1.32 95 %CI 1.23-1.42) and chlorpyrifos (OR 1.25 95 %CI 1.17-1.33). SIGNIFICANCE Our geospatial analysis results support potential neurotoxic pesticide exposures as risk factors for sporadic ALS. Focused studies to assess these identified potential relationships are warranted.
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Affiliation(s)
- Angeline Andrew
- Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States.
| | - Jie Zhou
- Dartmouth College, Hanover, NH, United States
| | - Jiang Gui
- Dartmouth College, Hanover, NH, United States
| | | | - Xun Shi
- Dartmouth College, Hanover, NH, United States
| | - Meifang Li
- Dartmouth College, Hanover, NH, United States
| | - Bart Guetti
- Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States
| | | | - Maeve Tischbein
- Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States
| | - Erik P Pioro
- Center for ALS and Related Disorders, Cleveland Clinic, Cleveland, OH, United States
| | - Elijah Stommel
- Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States
| | - Walter Bradley
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL, United States
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3
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Wang X, Tan Y, Gao M, Liu W, Yu Y. Bioaccessibility dependence of dietary exposure to dichlorodiphenyltrichloroethane and its metabolites and hexachlorocyclohexane isomers and their induced health risk: A case study in Beijing City, China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 281:117065. [PMID: 33872892 DOI: 10.1016/j.envpol.2021.117065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/26/2021] [Accepted: 03/30/2021] [Indexed: 06/12/2023]
Abstract
Bioaccessibility is essential for evaluating dietary intake of contaminants. However, there is insufficient information on the dependence of dietary intake and risk assessment of dichlorodiphenyltrichloroethane and its metabolites (DDXs) and hexachlorocyclohexane isomers (HCHs) on bioaccessibility. Here, we investigated the bioaccessibilities of DDXs and HCHs in various foods and their influences on assessing exposure in the residents of Beijing City, China. Forty-three major foods in five types (fruit, vegetables, cereals, aquatic food, and meat) were sampled, and the bioaccessibility of DDXs and HCHs was evaluated using a static in vitro gastrointestinal digestion model. The bioaccessibility of DDXs in different food types ranked in the order of meat > vegetables > fruit > cereals > aquatic food, with mean ± standard deviation values of 62.2 ± 22.1%, 20.5 ± 10.6%, 12.4 ± 3.66%, 11.2 ± 9.69%, and 10.7 ± 4.97%, respectively. The highest average bioaccessibility of HCHs was found in meat (83.4 ± 14.2%), followed by fruit (41.0 ± 12.5%), vegetables (37.6 ± 18.1%), aquatic foods (24.2 ± 9.22%), and cereals (8.73 ± 4.07%). The estimated daily intakes (EDI) of the sum of DDXs and the sum of HCHs based on the bioaccessible concentration were only about 17% and 55% of the total EDI based on the residual concentration, respectively. Meat was found to play a more important role in EDI after bioaccessibility correction. The proportion of the population with potential non-carcinogenic and carcinogenic risks markedly decreased when considering bioaccessibility. It was concluded that bioaccessibility should be integrated into dietary exposure evaluation.
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Affiliation(s)
- Xuepeng Wang
- School of Environment, Beijing Normal University, Beijing, 100875, PR China
| | - Yixi Tan
- School of Environment, Beijing Normal University, Beijing, 100875, PR China
| | - Miaomiao Gao
- School of Environment, Beijing Normal University, Beijing, 100875, PR China
| | - Wei Liu
- School of Environment, Beijing Normal University, Beijing, 100875, PR China
| | - Yanxin Yu
- School of Environment, Beijing Normal University, Beijing, 100875, PR China.
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4
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Dardiotis E, Aloizou AM, Sakalakis E, Siokas V, Koureas M, Xiromerisiou G, Petinaki E, Wilks M, Tsatsakis A, Hadjichristodoulou C, Stefanis L, Hadjigeorgiou GM. Organochlorine pesticide levels in Greek patients with Parkinson's disease. Toxicol Rep 2020; 7:596-601. [PMID: 32426240 PMCID: PMC7225589 DOI: 10.1016/j.toxrep.2020.03.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 03/23/2020] [Accepted: 03/25/2020] [Indexed: 12/21/2022] Open
Abstract
Background Parkinson’s disease (PD) is a neurodegenerative disease, mostly presenting with characteristic motor symptoms. Organochlorines (OC) are a class of widely-used pesticides that have been included among the list of environmental factors incriminated in PD pathogenesis. However, most studies reporting this association are based on questionnaires, and few have reported exposure data. Aim To examine the relationship between OC blood concentrations and PD risk. Methods In the present study, we studied the concentrations of 8 OC compounds (hexachlorobenzene, heptachlor, hepachlor epoxide, c-chlordane, a-chlordane, p,p’-DDE, DDD, DDT) in 104 Greek PD patients and 110 healthy controls. Results All substances studied were present in at least one sample. The most frequently detected (above the level of quantification) pesticides were p,p’-DDE (n = 214, 100 % of both groups) and hexachlorobenzene, HCB (n = 189, cases 46.5 %, controls 53.5 %). Higher levels of DDE were detected among PD patients in comparison to controls by using logistic regression analysis to control for confounders [Odds Ratio, OR (95 % confidence interval, C.I.)]: 2.592,(1.29–5.21)], whilst lower levels of HCB were detect among PD patients [OR,95 %CI:0.176(0.09−0.35)]. Conclusions Our data suggest that exposure to specific OCs is related to the risk of PD. Further studies, using real exposure data, are needed in order to confirm and extend these findings.
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Affiliation(s)
- Efthimios Dardiotis
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Athina-Maria Aloizou
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Evagelos Sakalakis
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Vasileios Siokas
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Michalis Koureas
- Department of Hygiene and Epidemiology, Faculty of Medicine, University of Thessaly, 22 Papakyriazi Street, 41222, Larissa, Greece
| | - Georgia Xiromerisiou
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Efthymia Petinaki
- Department of Microbiology, Medical School, University of Thessaly, Larissa, Greece
| | - Martin Wilks
- Swiss Centre for Applied Human Toxicology, University of Basel, CH‑4055, Basel, Switzerland
| | - Aristidis Tsatsakis
- Center of Toxicology Science & Research, Medical School, University of Crete, 71003, Heraklion, Crete, Greece
| | - Christos Hadjichristodoulou
- Department of Hygiene and Epidemiology, Faculty of Medicine, University of Thessaly, 22 Papakyriazi Street, 41222, Larissa, Greece
| | - Leonidas Stefanis
- 1stDepartment of Neurology, National and Kapodistrian University of Athens, School of Medicine, Eginition Hospital, 72-74 Vas.Sophias Ave, 11528, Athens, Greece
| | - Georgios M Hadjigeorgiou
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece.,Department of Neurology, Medical School, University of Cyprus, Nicosia, Cyprus
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5
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Organophosphorus pesticide determination in biological specimens: bioanalytical and toxicological aspects. Int J Legal Med 2019; 133:1763-1784. [DOI: 10.1007/s00414-019-02119-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 07/02/2019] [Indexed: 12/12/2022]
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6
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Liang S, Yin N, Faiola F. Human Pluripotent Stem Cells as Tools for Predicting Developmental Neural Toxicity of Chemicals: Strategies, Applications, and Challenges. Stem Cells Dev 2019; 28:755-768. [PMID: 30990109 DOI: 10.1089/scd.2019.0007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The human central nervous system (CNS) is very sensitive to perturbations, since it performs sophisticated biological processes and requires cooperation from multiple neural cell types. Subtle interference from exogenous chemicals, such as environmental pollutants, industrial chemicals, drug components, food additives, and cosmetic constituents, may initiate severe developmental neural toxicity (DNT). Human pluripotent stem cell (hPSC)-based neural differentiation assays provide effective and promising tools to help evaluate potential DNT caused by those toxicants. In fact, the specification of neural lineages in vitro recapitulates critical CNS developmental processes, such as patterning, differentiation, neurite outgrowth, synaptogenesis, and myelination. Hence, the established protocols to generate a repertoire of neural derivatives from hPSCs greatly benefit the in vitro evaluation of DNT. In this review, we first dissect the various differentiation protocols inducing neural cells from hPSCs, with an emphasis on the signaling pathways and endpoint markers defining each differentiation stage. We then highlight the studies with hPSC-based protocols predicting developmental neural toxicants, and discuss remaining challenges. We hope this review can provide insights for the further progress of DNT studies.
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Affiliation(s)
- Shengxian Liang
- 1 State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.,2 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
| | - Nuoya Yin
- 1 State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.,2 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
| | - Francesco Faiola
- 1 State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.,2 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
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7
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Henrich-Noack P, Nikitovic D, Neagu M, Docea AO, Engin AB, Gelperina S, Shtilman M, Mitsias P, Tzanakakis G, Gozes I, Tsatsakis A. The blood–brain barrier and beyond: Nano-based neuropharmacology and the role of extracellular matrix. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2019; 17:359-379. [DOI: 10.1016/j.nano.2019.01.016] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 01/11/2019] [Accepted: 01/28/2019] [Indexed: 12/13/2022]
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8
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Mostafalou S, Abdollahi M. The link of organophosphorus pesticides with neurodegenerative and neurodevelopmental diseases based on evidence and mechanisms. Toxicology 2018; 409:44-52. [PMID: 30053494 DOI: 10.1016/j.tox.2018.07.014] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 07/20/2018] [Accepted: 07/23/2018] [Indexed: 01/08/2023]
Abstract
Organophosphorus (OP) compounds have been known as the most widely used pesticides during the past half century and there have been a huge body of literature regarding their association with human chronic diseases. Neurodegenerative and neurodevelopmental disorders including Alzheimer, Parkinson, amyotrophic lateral sclerosis (ALS), attention deficit hyperactivity disorder (ADHD), and autism are among the afflicting neurological diseases which overshadow human life and their higher risk in relation to OP exposures have been uncovered by epidemiological studies. In addition, experimental studies exploring the underlying mechanisms have provided some evidence for involvement of cholinergic deficit, oxidative stress, neuro-inflammation, and epigenetic modifications as the processes which are common in the toxicity of the OP and pathophysiology of the mentioned diseases. In addition, genetic mutations and polymorphisms of different variants of some genes like paraoxonase have been shown to be implicated in both susceptibility to OPs toxicity and neurological diseases. In this article, we reviewed the epidemiological as well as experimental studies evidencing the association of exposure to OPs and incidence of neurodegenerative and neurodevelopmental diseases.
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Affiliation(s)
- Sara Mostafalou
- Department of Pharmacology & Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Iran; Toxicology and Diseases Group, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Abdollahi
- Toxicology and Diseases Group, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran; Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
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9
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Dardiotis E, Siokas V, Sokratous M, Tsouris Z, Michalopoulou A, Andravizou A, Dastamani M, Ralli S, Vinceti M, Tsatsakis A, Hadjigeorgiou GM. Genetic polymorphisms in amyotrophic lateral sclerosis: Evidence for implication in detoxification pathways of environmental toxicants. ENVIRONMENT INTERNATIONAL 2018; 116:122-135. [PMID: 29677557 DOI: 10.1016/j.envint.2018.04.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 04/03/2018] [Accepted: 04/05/2018] [Indexed: 06/08/2023]
Affiliation(s)
- Efthimios Dardiotis
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece.
| | - Vasileios Siokas
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Maria Sokratous
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Zisis Tsouris
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Amalia Michalopoulou
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Athina Andravizou
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Metaxia Dastamani
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Styliani Ralli
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
| | - Marco Vinceti
- Department of Biomedical, Metabolic, and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy; Department of Epidemiology, Boston University School of Public Health, Boston, USA
| | - Aristidis Tsatsakis
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003 Heraklion, Greece
| | - Georgios M Hadjigeorgiou
- Department of Neurology, Laboratory of Neurogenetics, University of Thessaly, University Hospital of Larissa, Larissa, Greece
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10
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Insect growth regulatory activity of carvacrol-based 1,3,4-thiadiazoles and 1,3,4-oxadiazoles. Mol Divers 2018; 22:647-655. [DOI: 10.1007/s11030-018-9823-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 03/15/2018] [Indexed: 11/26/2022]
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11
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Vinceti M, Filippini T, Violi F, Rothman KJ, Costanzini S, Malagoli C, Wise LA, Odone A, Signorelli C, Iacuzio L, Arcolin E, Mandrioli J, Fini N, Patti F, Lo Fermo S, Pietrini V, Teggi S, Ghermandi G, Scillieri R, Ledda C, Mauceri C, Sciacca S, Fiore M, Ferrante M. Pesticide exposure assessed through agricultural crop proximity and risk of amyotrophic lateral sclerosis. Environ Health 2017; 16:91. [PMID: 28851431 PMCID: PMC5576246 DOI: 10.1186/s12940-017-0297-2] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Accepted: 08/14/2017] [Indexed: 05/31/2023]
Abstract
BACKGROUND Epidemiologic studies have raised the possibility that some pesticide compounds induce the neurodegenerative disease amyotrophic lateral sclerosis (ALS), though the available evidence is not entirely consistent. METHODS We conducted a population-based case-control study in two Italian populations to assess the extent to which residence in the vicinity of agricultural crops associated with the application of neurotoxic pesticides is a risk factor for ALS, using crop acreage in proximity to the residence as an index of exposure. RESULTS Based on 703 cases and 2737 controls, we computed an ALS odds ratio of 0.92 (95% confidence interval 0.78-1.09) for those in proximity to agricultural land. Results were not substantially different when using alternative exposure categories or when analyzing specific crop types, with the exception of a higher risk related to exposure to citrus orchards and olive groves in Southern Italy, though based on few exposed subjects (N = 89 and 8, respectively). There was little evidence of any dose-response relation between crop proximity and ALS risk, and using long-term residence instead of current residence did not substantially change our estimates. CONCLUSIONS Though our index of exposure is indirect and subject to considerable misclassification, our results offer little support for the hypothesis that neurotoxic pesticide exposure increases ALS risk.
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Affiliation(s)
- Marco Vinceti
- Environmental, Genetic, and Nutritional Epidemiology Research Center - CREAGEN, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 287 Via Campi, 41125 Modena, Italy
- Department of Epidemiology, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118 USA
| | - Tommaso Filippini
- Environmental, Genetic, and Nutritional Epidemiology Research Center - CREAGEN, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 287 Via Campi, 41125 Modena, Italy
| | - Federica Violi
- Environmental, Genetic, and Nutritional Epidemiology Research Center - CREAGEN, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 287 Via Campi, 41125 Modena, Italy
| | - Kenneth J. Rothman
- Department of Epidemiology, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118 USA
- Research Triangle Institute, Research Triangle Park, 3040 E Cornwallis Road, Durham, NC 27709 USA
| | - Sofia Costanzini
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, 10 Via Vivarelli, 41125 Modena, Italy
| | - Carlotta Malagoli
- Environmental, Genetic, and Nutritional Epidemiology Research Center - CREAGEN, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 287 Via Campi, 41125 Modena, Italy
| | - Lauren A. Wise
- Department of Epidemiology, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118 USA
| | - Anna Odone
- Department of Biomedical, Biotechnological, and Translational Sciences, University of Parma, 14 Via Gramsci, 43126 Parma, Italy
| | - Carlo Signorelli
- Department of Biomedical, Biotechnological, and Translational Sciences, University of Parma, 14 Via Gramsci, 43126 Parma, Italy
- School of Medicine, University Vita-Salute San Raffaele, 58 Via Olgettina Milano, 20132 Milan, Italy
| | - Laura Iacuzio
- Environmental, Genetic, and Nutritional Epidemiology Research Center - CREAGEN, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 287 Via Campi, 41125 Modena, Italy
| | - Elisa Arcolin
- Environmental, Genetic, and Nutritional Epidemiology Research Center - CREAGEN, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 287 Via Campi, 41125 Modena, Italy
| | - Jessica Mandrioli
- Department of Neuroscience, S. Agostino-Estense Hospital, and University of Modena and Reggio Emilia, 1355 Via Pietro Giardini, 41126 Modena, Italy
| | - Nicola Fini
- Department of Neuroscience, S. Agostino-Estense Hospital, and University of Modena and Reggio Emilia, 1355 Via Pietro Giardini, 41126 Modena, Italy
| | - Francesco Patti
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 87 Via S. Sofia, 95123 Catania, Italy
| | - Salvatore Lo Fermo
- Neurologic Unit, AOU Policlinico - Vittorio Emanuele, University of Catania, 628 Via Plebiscito, 95124 Catania, Italy
| | - Vladimiro Pietrini
- Department of Neuroscience, Neurology Unit, University of Parma, 14 Via Gramsci, 43126 Parma, Italy
| | - Sergio Teggi
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, 10 Via Vivarelli, 41125 Modena, Italy
| | - Grazia Ghermandi
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, 10 Via Vivarelli, 41125 Modena, Italy
| | - Renato Scillieri
- Department of Prevention, Catania Local Health Unit, 5 Via Santa Maria la Grande, 95124 Catania, Italy
| | - Caterina Ledda
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 87 Via S. Sofia, 95123 Catania, Italy
| | - Cristina Mauceri
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 87 Via S. Sofia, 95123 Catania, Italy
| | - Salvatore Sciacca
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 87 Via S. Sofia, 95123 Catania, Italy
| | - Maria Fiore
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 87 Via S. Sofia, 95123 Catania, Italy
| | - Margherita Ferrante
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 87 Via S. Sofia, 95123 Catania, Italy
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12
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Merwin SJ, Obis T, Nunez Y, Re DB. Reply to the Commentary by Lotti M. and Moretto A. "Organophosphate neurotoxicity to the voluntary motor system on the trail of environment-caused amyotrophic lateral sclerosis: the known, the misknown and the unknown. Arch Toxicol 2017; 91:3191-3193. [PMID: 28702692 DOI: 10.1007/s00204-017-2025-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 06/28/2017] [Indexed: 10/19/2022]
Affiliation(s)
- Samantha J Merwin
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, 722 W 168th Street Suite 1107B, New York, NY, 10032, USA.,NIEHS Center for Environmental Health Sciences in Northern Manhattan, Columbia University, New York, NY, 10032, USA.,Center for Motor Neuron Biology and Disease, Columbia University, New York, NY, 10032, USA
| | - Teresa Obis
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, 722 W 168th Street Suite 1107B, New York, NY, 10032, USA.,NIEHS Center for Environmental Health Sciences in Northern Manhattan, Columbia University, New York, NY, 10032, USA.,Center for Motor Neuron Biology and Disease, Columbia University, New York, NY, 10032, USA
| | - Yanelli Nunez
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, 722 W 168th Street Suite 1107B, New York, NY, 10032, USA.,NIEHS Center for Environmental Health Sciences in Northern Manhattan, Columbia University, New York, NY, 10032, USA.,Center for Motor Neuron Biology and Disease, Columbia University, New York, NY, 10032, USA.,Toxicology Ph.D. Program, Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, 10032, USA
| | - Diane B Re
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, 722 W 168th Street Suite 1107B, New York, NY, 10032, USA. .,NIEHS Center for Environmental Health Sciences in Northern Manhattan, Columbia University, New York, NY, 10032, USA. .,Center for Motor Neuron Biology and Disease, Columbia University, New York, NY, 10032, USA.
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13
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Abstract
Background Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease characterised by a rapid loss of lower and upper motor neurons. As a complex disease, the ageing process and complicated gene-environment interactions are involved in the majority of cases. Main body Significant advances have been made in unravelling the genetic susceptibility to ALS with massively parallel sequencing technologies, while environmental insults remain a suspected but largely unexplored source of risk. Several studies applying the strategy of Mendelian randomisation have strengthened the link between environmental insults and ALS, but none so far has proved conclusive. We propose a new ALS model which links the current knowledge of genetic factors, ageing and environmental insults. This model provides a mechanism as to how ALS is initiated, with environmental insults playing a critical role. Conclusion The available evidence has suggested that inherited defect(s) could cause mitochondrial dysfunction, which would establish the primary susceptibility to ALS. Further study of the underlying mechanism may shed light on ALS pathogenesis. Environmental insults are a critical trigger for ALS, particularly in the aged individuals with other toxicant susceptible genes. The identification of ALS triggers could lead to preventive strategies for those individuals at risk.
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Affiliation(s)
- Bing Yu
- Sydney Medical School (Central), The University of Sydney, Camperdown, NSW 2006 Australia.,Department of Medical Genomics, Royal Prince Alfred Hospital and NSW Health Pathology, Camperdown, NSW 2050 Australia
| | - Roger Pamphlett
- Discipline of Pathology, Brain and Mind Centre, The University of Sydney, 94 Mallett St, Camperdown, NSW 2050 Australia.,Department of Neuropathology, Royal Prince Alfred Hospital, Camperdown, NSW 2050 Australia
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Vinceti M, Violi F, Tzatzarakis M, Mandrioli J, Malagoli C, Hatch EE, Fini N, Fasano A, Rakitskii VN, Kalantzi OI, Tsatsakis A. Pesticides, polychlorinated biphenyls and polycyclic aromatic hydrocarbons in cerebrospinal fluid of amyotrophic lateral sclerosis patients: a case-control study. ENVIRONMENTAL RESEARCH 2017; 155:261-267. [PMID: 28242563 DOI: 10.1016/j.envres.2017.02.025] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 02/09/2017] [Accepted: 02/10/2017] [Indexed: 06/06/2023]
Abstract
Neurotoxic chemicals including several pesticides have been suggested to play a role in the etiology of amyotrophic lateral sclerosis (ALS). We investigated the relation between organochlorine pesticides and their metabolites (OCPs), polychlorinated biphenyls (PCBs) and polycyclic aromatic hydrocarbons (PAHs) in the etiology of sporadic ALS, determining for the first time their levels in cerebrospinal fluid as indicator of antecedent exposure. We recruited 38 ALS patients and 38 controls referred to an Italian clinical center for ALS care, who underwent a lumbar puncture for diagnostic purposes between 1994-2013, and had 1mL of cerebrospinal fluid available for the determination of OCPs, PCBs and PAHs. Many chemicals were undetectable in both case and control CSF samples, and we found little evidence of any increased disease risk according to higher levels of exposure. Among males >60 years, we found a slight but statistically very unstable increased ALS risk with higher levels of the congener PCB 28 and the OCP metabolite p,p'-DDE. Overall, these results do not suggest an involvement of the neurotoxic chemicals investigated in this study in disease etiology, although small numbers limited the precision of our results.
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Affiliation(s)
- Marco Vinceti
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), University of Modena and Reggio Emilia; via Campi 287, Modena (MO) 41125, Italy; Department of Epidemiology, Boston University School of Public Health, 715 Albany St., Boston, 02118 MA, United States.
| | - Federica Violi
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), University of Modena and Reggio Emilia; via Campi 287, Modena (MO) 41125, Italy
| | - Manolis Tzatzarakis
- Department of Forensic Sciences and Toxicology, University of Crete, 71409 Heraklion, Greece
| | - Jessica Mandrioli
- Department of Neurology, Sant'Agostino-Estense Hospital, Local Health Unit of Modena, Via P. Giardini 1355, 41126 Baggiovara, Modena MO, Italy
| | - Carlotta Malagoli
- Environmental, Genetic and Nutritional Epidemiology Research Center (CREAGEN), University of Modena and Reggio Emilia; via Campi 287, Modena (MO) 41125, Italy
| | - Elizabeth E Hatch
- Department of Epidemiology, Boston University School of Public Health, 715 Albany St., Boston, 02118 MA, United States
| | - Nicola Fini
- Department of Neurology, Sant'Agostino-Estense Hospital, Local Health Unit of Modena, Via P. Giardini 1355, 41126 Baggiovara, Modena MO, Italy
| | - Antonio Fasano
- Department of Neurology, Sant'Agostino-Estense Hospital, Local Health Unit of Modena, Via P. Giardini 1355, 41126 Baggiovara, Modena MO, Italy
| | - Valerii N Rakitskii
- Federal Scientific Center of Hygiene, F.F. Erisman, 2, Semashko street, Mytishchi, Moscow region 141014 Russia
| | - Olga-Ioanna Kalantzi
- Department of the Environment, University of the Aegean, University Hill, Mytilene 8110 Greece
| | - Aristides Tsatsakis
- Department of Forensic Sciences and Toxicology, University of Crete, 71409 Heraklion, Greece
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Yuan H, Jin J, Bai Y, Li Q, Wang Y, Wang Q. Organochlorine pesticides in tree bark and human hair in Yunnan Province, China: Concentrations, distributions and exposure pathway. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 580:1027-1033. [PMID: 27988186 DOI: 10.1016/j.scitotenv.2016.12.057] [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: 09/12/2016] [Revised: 12/08/2016] [Accepted: 12/09/2016] [Indexed: 06/06/2023]
Abstract
The concentrations and distributions of organochlorine pesticides (OCPs) in West China were investigated and internal and external exposure of humans to OCPs were assessed by analyzing samples of human hair and tree bark collected in Kaiyuan, in Yunnan Province, China. Dichlorodiphenyltrichloroethane and its metabolites (collectively called DDTs), hexachlorocyclohexanes (HCHs), and hexachlorobenzene (HCB) were the dominant OCPs in the human hair and tree bark samples. The mean total DDT, total HCH, and HCB concentrations in the tree bark samples were 298pg/g dry weight (dw), 100pg/g dw, and 183pg/g dw, respectively, and the mean total DDT, total HCH, and HCB concentrations in the hair samples were 2850pg/g dw, 348pg/g dw, and 1026pg/g dw, respectively. The results indicated that relatively new DDT and lindane inputs have occurred in the study area. DDT and lindane may have been released in products that are used locally. The HCB in the environment in the study area is mainly supplied by long-range atmospheric transport. External exposure was found to be the main factor controlling the p,p'-DDT, γ-HCH, and HCB concentrations in human hair, whereas p,p'-DDE and β-HCH were found to be mainly controlled by internal exposure.
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Affiliation(s)
- Haodong Yuan
- College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Jun Jin
- College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China; Engineering Research Center of Food Environment and Public Health, Beijing 100081, China.
| | - Yao Bai
- College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Qiuxu Li
- College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Ying Wang
- College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Qinghua Wang
- College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China; State Information Center, National Development and Reform Commission, Beijing 100045, China
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16
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Knipe DW, Jayasumana C, Siribaddana S, Priyadarshana C, Pearson M, Gunnell D, Metcalfe C, Tzatzarakis MN, Tsatsakis AM. Feasibility of hair sampling to assess levels of organophosphate metabolites in rural areas of Sri Lanka. ENVIRONMENTAL RESEARCH 2016; 147:207-11. [PMID: 26894816 PMCID: PMC4829072 DOI: 10.1016/j.envres.2016.02.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 02/02/2016] [Accepted: 02/06/2016] [Indexed: 05/27/2023]
Abstract
Measuring chronic pesticide exposure is important in order to investigate the associated health effects. Traditional biological samples (blood/urine) are difficult to collect, store and transport in large epidemiological studies in settings such as rural Asia. We assessed the acceptability of collecting hair samples from a rural Sri Lankan population and found that this method of data collection was feasible. We also assessed the level of non-specific metabolites (DAPS) of organophosphate pesticides in the hair samples. The median concentration (pg/mg) of each DAP was: diethyl phosphate: 83.3 (IQI 56.0, 209.4); diethyl thiophosphate: 34.7 (IQI 13.8, 147.9); diethyl dithiophosphate: 34.5 (IQI 23.4, 55.2); and dimethyl phosphate: 3 (IQI 3, 109.7). Total diethylphosphates were recovered in >80% of samples and were positively correlated with self-reported pesticide exposure.
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Affiliation(s)
- D W Knipe
- School of Social and Community Medicine, University of Bristol, Canynge Hall, 39 Whatley Road, Bristol BS8 2PS, UK; South Asian Clinical Toxicology Research Collaboration (SACTRC), Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka.
| | - C Jayasumana
- Department of Pharmacology, Faculty of Medicine & Allied Sciences, Rajarata University of Sri Lanka, Saliyapura 50008, Sri Lanka
| | - S Siribaddana
- Department of Medicine, Faculty of Medicine & Allied Sciences, Rajarata University of Sri Lanka, Saliyapura 50008, Sri Lanka
| | - C Priyadarshana
- South Asian Clinical Toxicology Research Collaboration (SACTRC), Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka
| | - M Pearson
- South Asian Clinical Toxicology Research Collaboration (SACTRC), Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka; Clinical Pharmacology Unit, University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - D Gunnell
- School of Social and Community Medicine, University of Bristol, Canynge Hall, 39 Whatley Road, Bristol BS8 2PS, UK; South Asian Clinical Toxicology Research Collaboration (SACTRC), Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka
| | - C Metcalfe
- School of Social and Community Medicine, University of Bristol, Canynge Hall, 39 Whatley Road, Bristol BS8 2PS, UK
| | - M N Tzatzarakis
- Division of Morphology, Centre of Toxicology Sciences and Research, Medical School, University of Crete, Crete, Greece
| | - A M Tsatsakis
- Division of Morphology, Centre of Toxicology Sciences and Research, Medical School, University of Crete, Crete, Greece
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17
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Parkinson's Disease Prevalence and Proximity to Agricultural Cultivated Fields. PARKINSONS DISEASE 2015; 2015:576564. [PMID: 26357584 PMCID: PMC4556329 DOI: 10.1155/2015/576564] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2015] [Revised: 07/13/2015] [Accepted: 07/27/2015] [Indexed: 11/17/2022]
Abstract
The risk for developing Parkinson's disease (PD) is a combination of multiple environmental and genetic factors. The Negev (Southern Israel) contains approximately 252.5 km2 of agricultural cultivated fields (ACF). We aimed to estimate the prevalence and incidence of PD and to examine possible geographical clustering and associations with agricultural exposures. We screened all “Clalit” Health Services members in the Negev (70% of the population) between the years 2000 and 2012. Individual demographic, clinical, and medication prescription data were available. We used a refined medication tracer algorithm to identify PD patients. We used mixed Poisson models to calculate the smoothed standardized incidence rates (SIRs) for each locality. We identified ACF and calculate the size and distance of the fields from each locality. We identified 3,792 cases of PD. SIRs were higher than expected in Jewish rural localities (median SIR [95% CI]: 1.41 [1.28; 1.53] in 2001–2004, 1.62 [1.48; 1.76] in 2005–2008, and 1.57 [1.44; 1.80] in 2009–2012). Highest SIR was observed in localities located in proximity to large ACF (SIR 1.54, 95% CI 1.32; 1.79). In conclusion, in this population based study we found that PD SIRs were higher than expected in rural localities. Furthermore, it appears that proximity to ACF and the field size contribute to PD risk.
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18
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Gómez-Martín A, Altakroni B, Lozano-Paniagua D, Margison GP, de Vocht F, Povey AC, Hernández AF. Increased N7-methyldeoxyguanosine DNA adducts after occupational exposure to pesticides and influence of genetic polymorphisms of paraoxonase-1 and glutathione S-transferase M1 and T1. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2015; 56:437-445. [PMID: 25427726 DOI: 10.1002/em.21929] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 10/17/2014] [Accepted: 11/07/2014] [Indexed: 06/04/2023]
Abstract
There are concerns about genetic risks associated with long-term exposure to pesticides as these compounds may damage DNA, resulting in mutations that eventually lead to cancer, neurological, and reproductive adverse health effects. This study assessed DNA damage in intensive agricultural workers exposed to pesticides by determining the levels of N7-methyldeoxyguanosine (N7-MedG), an adduct known to be a robust biomarker of recent exposure to chemical methylating agents. A cohort of 39 plastic greenhouse workers was assessed for changes in lymphocyte DNA N7-MedG levels between low level and high level exposures during the course of a spraying season. The contributions of genetic polymorphisms of the pesticide-metabolizing enzymes paraoxonase-1 (PON1) and the glutathione S-transferases, GSTM1 and GSTT1, on N7-MedG levels and other potential confounders were also assessed. N7-MedG increased in the period of high pesticide exposure as compared to the low exposure period (0.23 and 0.18 µmol N7-MedG/mol dG for the unadjusted and adjusted linear mixed models, P = 0.02 and 0.08, respectively). Significant decreased levels of erythrocyte acetylcholinesterase and plasma cholinesterase were observed in the high versus low exposure period in both the unadjusted (2.85 U/g hemoglobin and 213.13 U/L, respectively) and adjusted linear mixed models (2.99 U/g hemoglobin and 230.77 U/L, respectively), indicating pesticide intake. In intensive agriculture workers, higher pesticide exposure increased DNA alkylation levels, further demonstrating the genotoxicity of pesticides in man. In addition, pesticide-exposed individuals with inherited susceptible metabolic genotypes (particularly, null genotype for GSTM1 and the PON1 192R allele) appear to have an increased risk of genotoxic DNA damage. Environ. Mol. Mutagen. 56:437-445, 2015. © 2014 Wiley Periodicals, Inc.
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Affiliation(s)
- Antonio Gómez-Martín
- Department of Legal Medicine and Toxicology, University of Granada School of Medicine, Granada, Spain
| | - Bashar Altakroni
- Centre for Occupational and Environmental Health (COEH), Centre for Epidemiology, Institute of Population Health, University of Manchester, Manchester, M13 9PL, United Kingdom
| | - David Lozano-Paniagua
- Department of Legal Medicine and Toxicology, University of Granada School of Medicine, Granada, Spain
| | - Geoffrey P Margison
- Centre for Occupational and Environmental Health (COEH), Centre for Epidemiology, Institute of Population Health, University of Manchester, Manchester, M13 9PL, United Kingdom
| | - Frank de Vocht
- School of Social and Community Medicine, University of Bristol, Bristol, BS8 2PS, United Kingdom
| | - Andrew C Povey
- Centre for Occupational and Environmental Health (COEH), Centre for Epidemiology, Institute of Population Health, University of Manchester, Manchester, M13 9PL, United Kingdom
| | - Antonio F Hernández
- Department of Legal Medicine and Toxicology, University of Granada School of Medicine, Granada, Spain
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19
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Mumtaz M, Qadir A, Mahmood A, Mehmood A, Malik RN, Li J, Yousaf Z, Jamil N, Shaikh IA, Ali H, Zhang G. Human health risk assessment, congener specific analysis and spatial distribution pattern of organochlorine pesticides (OCPs) through rice crop from selected districts of Punjab Province, Pakistan. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 511:354-361. [PMID: 25553549 DOI: 10.1016/j.scitotenv.2014.12.030] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Revised: 11/26/2014] [Accepted: 12/11/2014] [Indexed: 06/04/2023]
Abstract
To evaluate the screening level risk assessment of OCPs in rice (Oryza sativa L.) straw (n=20) and rice grains (n=20), samples were collected from different districts of Punjab Province, Pakistan. ∑OCPs' levels (ng g(-1)) in rice straw and grains ranged from 3.63 to 39.40, 2.72 to 49.89, respectively. DDTs were found predominant over the other detected OCP isomers followed by HCH and heptachlor. Results of one way ANOVA reflected no significant difference for OCPs' levels among sampling sites, except heptachlor for rice grains. ∑OCPs' concentration in rice straw samples was exceeding the minimal residual levels (MRLs) (Australian and Japanese). Results of dietary intake and risk assessment suggested that rice straw is not safe for animals to consume as fodder. Human health was suggested to have some carcinogenic risks by consumption of rice grains, however, no considerable hazardous risk (non-carcinogenic) to human health was found.
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Affiliation(s)
- Mehvish Mumtaz
- College of Earth and Environmental Science, University of the Punjab, Lahore, Pakistan
| | - Abdul Qadir
- College of Earth and Environmental Science, University of the Punjab, Lahore, Pakistan
| | - Adeel Mahmood
- Environmental Biology Laboratory, Department of Plant Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan.
| | - Andleeb Mehmood
- Department of Chemistry, Mirpur University of Science and Technology (MUST), Mirpur, AJ&K, Pakistan
| | - Riffat Naseem Malik
- Environmental Biology and Ecotoxicology Laboratory, Department of Environmental Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Jun Li
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Zubaida Yousaf
- Department of Botany, Faculty of Natural Sciences, Lahore College for Women University, Lahore, Pakistan
| | - Nadia Jamil
- College of Earth and Environmental Science, University of the Punjab, Lahore, Pakistan
| | - Irfan Ahmed Shaikh
- College of Earth and Environmental Science, University of the Punjab, Lahore, Pakistan
| | - Habib Ali
- Pakistan Museum of Natural History, Islamabad, Pakistan
| | - Gan Zhang
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
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20
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Lu D, Feng C, Lin Y, Wang D, Ip HSS, Qiu X, Wang G, She J. Determination of organochlorines, polychlorinated biphenyls and polybrominated diphenyl ethers in human hair: estimation of external and internal exposure. CHEMOSPHERE 2014; 114:327-336. [PMID: 25113219 DOI: 10.1016/j.chemosphere.2014.04.109] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Revised: 04/23/2014] [Accepted: 04/27/2014] [Indexed: 06/03/2023]
Abstract
A novel method was developed for the analysis of organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) in human hair samples. External contaminants of hair were extracted with acetone under sonication, while washed hair was further hydrolyzed in formic acid and acetone (1:4, v/v) with microwave assisted extraction (MAE) for internal contaminant measurements. Both internal and external extracts were cleaned up with gel permeation chromatography (GPC) and then solid phase extraction (SPE), before analyzed by a large volume injection-gas chromatography-tandem mass spectrometry (LVI-GC-MS/MS) using triple quadruple mass analyzer. Good linearity (R(2)⩾ 0.996) was established within a concentration range between 0.1 and 100 ng mL(-)(1) among all target analytes. The method was validated for accuracy, precision and sensitivity. The developed method is intended to be cost effective and robust for the routine human hair analysis of PCBs, PBDEs and OCPs including acid-labile OCPs. The described method has been applied in pilot biomonitoring study and the preliminary data suggested that the contaminant profiles with the use of partial least-squares analysis discriminant analysis (PLA-DA) could be useful in differentiating external and internal exposure.
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Affiliation(s)
- Dasheng Lu
- Shanghai Municipal Center for Disease Control and Prevention, 1380 Zhongshan West Road, Shanghai 200336, China
| | - Chao Feng
- Shanghai Municipal Center for Disease Control and Prevention, 1380 Zhongshan West Road, Shanghai 200336, China
| | - Yuanjie Lin
- Shanghai Municipal Center for Disease Control and Prevention, 1380 Zhongshan West Road, Shanghai 200336, China
| | - Dongli Wang
- Environmental Health Laboratory Branch, California Department of Public Health, Richmond, CA 94804, USA
| | - Ho Sai Simon Ip
- Environmental Health Laboratory Branch, California Department of Public Health, Richmond, CA 94804, USA
| | - Xinlei Qiu
- Shanghai Municipal Center for Disease Control and Prevention, 1380 Zhongshan West Road, Shanghai 200336, China
| | - Guoquan Wang
- Shanghai Municipal Center for Disease Control and Prevention, 1380 Zhongshan West Road, Shanghai 200336, China.
| | - Jianwen She
- Environmental Health Laboratory Branch, California Department of Public Health, Richmond, CA 94804, USA.
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Hypospadias in offspring is associated with chronic exposure of parents to organophosphate and organochlorine pesticides. Toxicol Lett 2014; 230:139-45. [DOI: 10.1016/j.toxlet.2013.10.015] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Revised: 09/16/2013] [Accepted: 10/16/2013] [Indexed: 11/21/2022]
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22
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Pesticides exposure as etiological factors of Parkinson's disease and other neurodegenerative diseases—A mechanistic approach. Toxicol Lett 2014; 230:85-103. [PMID: 24503016 DOI: 10.1016/j.toxlet.2014.01.039] [Citation(s) in RCA: 251] [Impact Index Per Article: 25.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Revised: 12/06/2013] [Accepted: 01/27/2014] [Indexed: 12/12/2022]
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23
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Nazam N, Shaikh S, Lone MI, Sharma M, Ahmad W. Combinedin silicoandin vivostudies shed insights into the acute acetylcholinesterase response in rat and human brain. Biotechnol Appl Biochem 2014; 62:407-15. [DOI: 10.1002/bab.1275] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Accepted: 07/26/2014] [Indexed: 01/08/2023]
Affiliation(s)
- Nazia Nazam
- Division of Genetics; Department of Zoology; Gene-Tox Laboratory; Aligarh Muslim University; Aligarh U.P. India
| | | | - Mohammad Iqbal Lone
- Division of Genetics; Department of Zoology; Gene-Tox Laboratory; Aligarh Muslim University; Aligarh U.P. India
| | - Monika Sharma
- Division of Genetics; Department of Zoology; Gene-Tox Laboratory; Aligarh Muslim University; Aligarh U.P. India
| | - Waseem Ahmad
- Division of Genetics; Department of Zoology; Gene-Tox Laboratory; Aligarh Muslim University; Aligarh U.P. India
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24
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Experimental measurements for the effect of dilution procedure in blood esterases as animals biomarker for exposure to OP compounds. BIOMED RESEARCH INTERNATIONAL 2014; 2014:451982. [PMID: 24864243 PMCID: PMC4016918 DOI: 10.1155/2014/451982] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Revised: 03/02/2014] [Accepted: 03/02/2014] [Indexed: 11/17/2022]
Abstract
Organophosphate compounds can bind to carboxylesterase, which may lower the concentration of organophosphate pesticides at the target site enzyme, cholinesterase. It is unclear from the literature whether it is the carboxylesterase affinity for the organophosphate and/or the number of carboxylesterase molecules that is the dominant factor in determining the protective potential of carboxylesterase. The fundamental dilutions and kinetic effects of esterase enzyme are still poorly understood. This study aims to confirm and extend our current knowledge about the effects of dilutions on esterases activities in the blood for birds with respect to protecting the enzyme from organophosphate inhibition. There was significantly higher esterases activities in dilution 1 : 10 in the all blood samples from quail, duck, and chick compared to other dilutions (1 : 5, 1 : 15, 1 : 20, and 1 : 25) in all cases. Furthermore, our results also pointed to the importance of estimating different dilutions effects prior to using in birds as biomarker tools of environmental exposure. Concentration-inhibition curves were determined for the inhibitor in the presence of dilutions 1 : 5, 1 : 10, plus 1 : 15 (to stimulate carboxylesterase). Point estimates (concentrations calculated to produce 20, 50, and 80% inhibition) were compared across conditions and served as a measure of esterase-mediated detoxification. Results with well-known inhibitors (malathion) were in agreement with the literature, serving to support the use of this assay. Among the thiol-esters dilution 1 : 5 was observed to have the highest specificity constant (kcat/Km), and the Km and kcat values were 176 μM and 16,765 s−1, respectively, for S-phenyl thioacetate ester, while detected in dilution 1 : 15 was the lowest specificity constant (kcat/Km), and the Km and kcat values were 943 μM and 1154 s−1, respectively, for acetylthiocholine iodide ester.
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25
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Current world literature. Curr Opin Allergy Clin Immunol 2013; 13:217-21. [PMID: 23434741 DOI: 10.1097/aci.0b013e32835f8a7a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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26
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Dardiotis E, Xiromerisiou G, Hadjichristodoulou C, Tsatsakis AM, Wilks MF, Hadjigeorgiou GM. The interplay between environmental and genetic factors in Parkinson's disease susceptibility: The evidence for pesticides. Toxicology 2013; 307:17-23. [DOI: 10.1016/j.tox.2012.12.016] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Revised: 12/23/2012] [Accepted: 12/25/2012] [Indexed: 11/29/2022]
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27
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Linking pesticide exposure and dementia: what is the evidence? Toxicology 2013; 307:3-11. [PMID: 23416173 DOI: 10.1016/j.tox.2013.02.002] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2013] [Revised: 01/30/2013] [Accepted: 02/02/2013] [Indexed: 12/12/2022]
Abstract
There has been a steep increase in the prevalence of dementia in recent decades, which has roughly followed an increase in pesticide use some decades earlier, a time when it is probable that current dementia patients could have been exposed to pesticides. This raises the question whether pesticides contribute to dementia pathogenesis. Indeed, many studies have found increased prevalence of cognitive, behavioral and psychomotor dysfunction in individuals chronically exposed to pesticides. Furthermore, evidence from recent studies shows a possible association between chronic pesticide exposure and an increased prevalence of dementia, including Alzheimer's disease (AD) dementia. At the cellular and molecular level, the mechanism of action of many classes of pesticides suggests that these compounds could be, at least partly, accountable for the neurodegeneration accompanying AD and other dementias. For example, organophosphates, which inhibit acetylcholinesterase as do the drugs used in treating AD symptoms, have also been shown to lead to microtubule derangements and tau hyperphosphorylation, a hallmark of AD. This emerging association is of considerable public health importance, given the increasing dementia prevalence and pesticide use. Here we review the epidemiological links between dementia and pesticide exposure and discuss the possible pathophysiological mechanisms and clinical implications of this association.
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Mostafalou S, Abdollahi M. Pesticides and human chronic diseases: evidences, mechanisms, and perspectives. Toxicol Appl Pharmacol 2013; 268:157-77. [PMID: 23402800 DOI: 10.1016/j.taap.2013.01.025] [Citation(s) in RCA: 601] [Impact Index Per Article: 54.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2012] [Revised: 01/30/2013] [Accepted: 01/31/2013] [Indexed: 12/12/2022]
Abstract
Along with the wide use of pesticides in the world, the concerns over their health impacts are rapidly growing. There is a huge body of evidence on the relation between exposure to pesticides and elevated rate of chronic diseases such as different types of cancers, diabetes, neurodegenerative disorders like Parkinson, Alzheimer, and amyotrophic lateral sclerosis (ALS), birth defects, and reproductive disorders. There is also circumstantial evidence on the association of exposure to pesticides with some other chronic diseases like respiratory problems, particularly asthma and chronic obstructive pulmonary disease (COPD), cardiovascular disease such as atherosclerosis and coronary artery disease, chronic nephropathies, autoimmune diseases like systemic lupus erythematous and rheumatoid arthritis, chronic fatigue syndrome, and aging. The common feature of chronic disorders is a disturbance in cellular homeostasis, which can be induced via pesticides' primary action like perturbation of ion channels, enzymes, receptors, etc., or can as well be mediated via pathways other than the main mechanism. In this review, we present the highlighted evidence on the association of pesticide's exposure with the incidence of chronic diseases and introduce genetic damages, epigenetic modifications, endocrine disruption, mitochondrial dysfunction, oxidative stress, endoplasmic reticulum stress and unfolded protein response (UPR), impairment of ubiquitin proteasome system, and defective autophagy as the effective mechanisms of action.
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Affiliation(s)
- Sara Mostafalou
- Department of Toxicology and Pharmacology, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, Iran
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Androutsopoulos VP, Hernandez AF, Liesivuori J, Tsatsakis AM. A mechanistic overview of health associated effects of low levels of organochlorine and organophosphorous pesticides. Toxicology 2012; 307:89-94. [PMID: 23041710 DOI: 10.1016/j.tox.2012.09.011] [Citation(s) in RCA: 123] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2012] [Revised: 09/19/2012] [Accepted: 09/25/2012] [Indexed: 12/19/2022]
Abstract
Organochlorine and organophosphate pesticides are compounds that can be detected in human populations as a result of occupational or residential exposure. Despite their occurrence in considerably low levels in humans, their biological effects are hazardous since they interact with a plethora of enzymes, proteins, receptors and transcription factors. In this review we summarize the cell and molecular effects of organochlorine and organophosphate pesticides with respect to their toxicity, with particular emphasis on glucose and lipid metabolism, their interaction with some members of the nuclear receptor family of ligand-activated transcription factors, including the steroid and peroxisome proliferator activated receptors that changes the expression of genes involved in lipid metabolism and xenobiotic detoxification. More importantly, evidence regarding the metabolic degradation of pesticides and their accumulation in tissues is presented. Potential non-cholinergic mechanisms after long-term low-dose organophosphate exposure resulting in neurodevelopmental outcomes and neurodegeneration are also addressed. We conclude that the mechanism of pesticide-mediated toxicity is a combination of various enzyme-inhibitory, metabolic and transcriptional events acting at the cellular and molecular level.
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Hernández AF, Parrón T, Tsatsakis AM, Requena M, Alarcón R, López-Guarnido O. Toxic effects of pesticide mixtures at a molecular level: their relevance to human health. Toxicology 2012; 307:136-45. [PMID: 22728724 DOI: 10.1016/j.tox.2012.06.009] [Citation(s) in RCA: 338] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2012] [Revised: 06/13/2012] [Accepted: 06/13/2012] [Indexed: 11/18/2022]
Abstract
Pesticides almost always occur in mixtures with other ones. The toxicological effects of low-dose pesticide mixtures on the human health are largely unknown, although there are growing concerns about their safety. The combined toxicological effects of two or more components of a pesticide mixture can take one of three forms: independent, dose addition or interaction. Not all mixtures of pesticides with similar chemical structures produce additive effects; thus, if they act on multiple sites their mixtures may produce different toxic effects. The additive approach also fails when evaluating mixtures that involve a secondary chemical that changes the toxicokinetics of the pesticide as a result of its increased activation or decreased detoxification, which is followed by an enhanced or reduced toxicity, respectively. This review addresses a number of toxicological interactions of pesticide mixtures at a molecular level. Examples of such interactions include the postulated mechanisms for the potentiation of pyrethroid, carbaryl and triazine herbicides toxicity by organophosphates; how the toxicity of some organophosphates can be potentiated by other organophosphates or by previous exposure to organochlorines; the synergism between pyrethroid and carbamate compounds and the antagonism between triazine herbicides and prochloraz. Particular interactions are also addressed, such as those of pesticides acting as endocrine disruptors, the cumulative toxicity of organophosphates and organochlorines resulting in estrogenic effects and the promotion of organophosphate-induced delayed polyneuropathy.
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Affiliation(s)
- Antonio F Hernández
- Department of Legal Medicine and Toxicology, University of Granada School of Medicine, Granada, Spain.
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