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Sule RO, Condon L, Gomes AV. A Common Feature of Pesticides: Oxidative Stress-The Role of Oxidative Stress in Pesticide-Induced Toxicity. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:5563759. [PMID: 35096268 PMCID: PMC8791758 DOI: 10.1155/2022/5563759] [Citation(s) in RCA: 98] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 12/17/2021] [Indexed: 12/16/2022]
Abstract
Pesticides are important chemicals or biological agents that deter or kill pests. The use of pesticides has continued to increase as it is still considered the most effective method to reduce pests and increase crop growth. However, pesticides have other consequences, including potential toxicity to humans and wildlife. Pesticides have been associated with increased risk of cardiovascular disease, cancer, and birth defects. Labels on pesticides also suggest limiting exposure to these hazardous chemicals. Based on experimental evidence, various types of pesticides all seem to have a common effect, the induction of oxidative stress in different cell types and animal models. Pesticide-induced oxidative stress is caused by both reactive oxygen species (ROS) and reactive nitrogen species (RNS), which are associated with several diseases including cancer, inflammation, and cardiovascular and neurodegenerative diseases. ROS and RNS can activate at least five independent signaling pathways including mitochondrial-induced apoptosis. Limited in vitro studies also suggest that exogenous antioxidants can reduce or prevent the deleterious effects of pesticides.
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Affiliation(s)
- Rasheed O. Sule
- Department of Neurobiology, Physiology and Behavior, University of California, Davis, Davis, CA 95616, USA
| | - Liam Condon
- Department of Neurobiology, Physiology and Behavior, University of California, Davis, Davis, CA 95616, USA
| | - Aldrin V. Gomes
- Department of Neurobiology, Physiology and Behavior, University of California, Davis, Davis, CA 95616, USA
- Department of Physiology and Membrane Biology, University of California, Davis, Davis, CA 95616, USA
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Nunes MEM, Schimith LE, Costa-Silva DG, Leandro LP, Martins IK, De Mello RS, Nunes FVM, Santer M, Vieira PB, Posser T, Franco JL. Acute embryonic exposure of zebrafish to permethrin induces behavioral changes related to anxiety and aggressiveness in adulthood. J Psychiatr Res 2020; 121:91-100. [PMID: 31785554 DOI: 10.1016/j.jpsychires.2019.11.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 10/31/2019] [Accepted: 11/13/2019] [Indexed: 12/14/2022]
Abstract
Permethrin (PM) is one of the most used synthetic pyrethroid worldwide. Exposure to this compound during pregnancy and early childhood has been indicated as a risk factor for neurodevelopmental disorders. We evaluated the long-term effects of embryonic PM exposure in different stages of zebrafish development. Briefly, embryos (3 hpf) were exposed to sub-lethal concentrations of PM (25 and 50 μg.L-1) during 24 h and then behavioral parameters were evaluated during embryonic (28 hpf), eleutheroembryonic (3 dpf), larval (7 dpf), and adult stages (90 dpf). PM exposure decreased spontaneous movement at 28 hpf and decreased thigmotaxis in eleutheroembryos. The long-term effects of PM include changes in non-motor behaviors such as fear and anxiety in larva and adults. Adults embryonically exposed to PM also showed a significant increase in aggressiveness parameters. These results demonstrated that embryonic exposure to PM induces persistent neurotoxic effects in adulthood, which can impair the cognitive and behavioral fitness of non-target species contributing to a rise in neurodevelopmental disorders.
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Affiliation(s)
- M E M Nunes
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil; Department of Molecular Biology and Biochemistry, Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - L E Schimith
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - D G Costa-Silva
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - L P Leandro
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - I K Martins
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - R S De Mello
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - F V M Nunes
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - M Santer
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - P B Vieira
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - T Posser
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - J L Franco
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil; Department of Molecular Biology and Biochemistry, Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil.
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Acute Exposure to Permethrin Modulates Behavioral Functions, Redox, and Bioenergetics Parameters and Induces DNA Damage and Cell Death in Larval Zebrafish. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:9149203. [PMID: 31827707 PMCID: PMC6885249 DOI: 10.1155/2019/9149203] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 08/11/2019] [Accepted: 08/31/2019] [Indexed: 12/15/2022]
Abstract
Permethrin (PM) is a synthetic pyrethroid insecticide widely used as domestic repellent. Damage effects to nontarget organisms have been reported, particularly in the early stages of development. Studies indicate redox unbalance as secondary PM effect. Therefore, our goal was to investigate the acute PM effects on larval zebrafish. Larvae (6 days postfertilization) were exposed to PM (25–600 μg/L) during 24 hours, and 50% lethal concentration was estimated. For subsequent assays, the sublethal PM concentrations of 25 and 50 μg/L were used. PM increased anxiety-like behaviors according to the Novel Tank and Light-Dark tests. At the molecular level, PM induced increased ROS, which may be related to the increased lipid peroxidation, DNA damage, and apoptosis detected in PM-exposed organisms. In parallel, upregulation of the antioxidant system was detected after PM exposure, with increased superoxide dismutase, glutathione S-transferase and glutathione reductase activities, and thiol levels. The increased of Nrf2 target genes and the activation of an electrophile response element-driven reporter Tg(EPRE:LUC-EGFP) suggest that the Nrf2 pathway can mediate a fast response to PM, leading to antioxidant amplification. By using high-resolution respirometry, we found that exposure to PM decreased the oxygen consumption in all respiratory stages, disrupting the oxidative phosphorylation and inhibiting the electron transfer system, leading to decrease in bioenergetics capacity. In addition, PM led to increases of residual oxygen consumption and changes in substrate control ratio. Glucose metabolism seems to be affected by PM, with increased lactate dehydrogenase and decreased citrate synthase activities. Taken together, our results demonstrated the adverse effects of acute sublethal PM concentrations during larval development in zebrafish, causing apparent mitochondrial dysfunction, indicating a potential mechanism to redox unbalance and oxidative stress, which may be linked to the detected cell death and alterations in normal behavior patterns caused by acute PM exposure.
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Eremeeva ME, Warang SS, Anderson ML, Capps D, Zohdy S, Durden LA. Molecular Survey for Pathogens and Markers of Permethrin Resistance in Human Head Lice (Phthiraptera: Pediculidae) from Madagascar. J Parasitol 2019. [DOI: 10.1645/18-146] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Marina E. Eremeeva
- Jiann-Ping Hsu College of Public Health, Georgia Southern University, 501 Forest Drive, P.O. Box 8015, Statesboro, Georgia 30458
| | - Shamta S. Warang
- Jiann-Ping Hsu College of Public Health, Georgia Southern University, 501 Forest Drive, P.O. Box 8015, Statesboro, Georgia 30458
| | - Matthew L. Anderson
- Jiann-Ping Hsu College of Public Health, Georgia Southern University, 501 Forest Drive, P.O. Box 8015, Statesboro, Georgia 30458
| | - Danielle Capps
- Jiann-Ping Hsu College of Public Health, Georgia Southern University, 501 Forest Drive, P.O. Box 8015, Statesboro, Georgia 30458
| | - Sarah Zohdy
- School of Forestry & Wildlife Sciences, Auburn University, Auburn, Alabama 36849
| | - Lance A. Durden
- College of Science and Mathematics, Georgia Southern University, P.O. Box 8042-1, Statesboro, Georgia 30458
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Ihde ES, Boscamp JR, Loh JM, Rosen L. Safety and efficacy of a 100% dimethicone pediculocide in school-age children. BMC Pediatr 2015; 15:70. [PMID: 26092045 PMCID: PMC4475297 DOI: 10.1186/s12887-015-0381-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Accepted: 05/18/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Head lice most commonly affect children, ages 3 to 11. Concerns exist about the safety and efficacy of pesticide-based treatments. Published studies suggest dimethicone is a potentially safe and effective non-toxic treatment, but have not evaluated 100% dimethicone in a pediatric population. The objectives were to evaluate the efficacy and safety of 100% dimethicone for the treatment of head lice in children, monitored by school nurses. METHODS This was a multi-site, open-label study of a 100% dimethicone gel for the treatment of head lice in a pediatric population. Children (ages 3-12) suspected of infestation with head lice were evaluated by school nurses at six schools and daycare programs in New York and New Jersey. Inclusion criteria were presence of at least three live lice, or one live louse and 10 viable eggs (eggs found within 1.27 cm of the scalp) and no use of any head lice treatment within four weeks of enrollment. Counts of live lice and viable eggs found in 58 subjects were tracked at baseline (Day 0) and on Day 1, Day 7, and Day 14 after treatment. RESULTS After 1 day of treatment with 100% dimethicone, 98.30% of subjects were free of live lice and 55.20% were free of viable eggs. On day 14, 96.50% were still free of live lice, and 80.70% were free of viable eggs. All subjects were monitored by the school nurse at baseline and throughout the study period for adverse effects, including scalp erythema, excoriation, flaking and edema. There was one adverse event of skin irritation lasting 10 min, and no serious adverse events reported. Overall, scalp conditions improved from the baseline: 10 subjects (17.5%) reported mild to moderate scalp erythema on day 1, compared with only one subject (1.7%) on day 14; 8 subjects (14.3%) reported mild scalp excoriation on day 1, with none reporting on day 14. CONCLUSIONS 100% dimethicone was found to be a safe and highly effective treatment for pediatric head lice. Because dimethicone avoids pesticide exposure and resistance issues, dimethicone should be considered as a first-line treatment for head lice. TRIAL REGISTRATION NCT02213055 Date of registration: August 8, 2014. STANDARDS OF REPORTING: The CONSORT 2010 Checklist was consulted during the review of this manuscript. Please note that sections pertaining specifically to randomized controlled trials (RCT's) were not applicable.
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Affiliation(s)
- Erin Speiser Ihde
- The Deirdre Imus Environmental Health Center®, Hackensack University Medical Center, 30 Prospect Ave, Hackensack, NJ, 07601, USA.
| | - Jeffrey R Boscamp
- Hackensack University Medical Center, The Joseph M. Sanzari Children's Hospital, 30 Prospect Avenue, Hackensack, NJ, 07601, USA.
| | - Ji Meng Loh
- Dept. of Mathematical Sciences, NJ Institute of Technology - University Heights, Newark, NJ, 07102, USA.
| | - Lawrence Rosen
- The Deirdre Imus Environmental Health Center®, Hackensack University Medical Center, 30 Prospect Ave, Hackensack, NJ, 07601, USA.
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English K, Healy B, Jagals P, Sly PD. Assessing exposure of young children to common endocrine-disrupting chemicals in the home environment: a review and commentary of the questionnaire-based approach. REVIEWS ON ENVIRONMENTAL HEALTH 2015; 30:25-49. [PMID: 25719288 DOI: 10.1515/reveh-2014-0069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Accepted: 12/26/2014] [Indexed: 06/04/2023]
Abstract
BACKGROUND Although infants and young children are particularly vulnerable to endocrine disrupting chemical (EDC) exposure, there is an absence of comprehensive exposure data for this age group. As young children spend the majority of their time indoors, improved methods of exposure assessment are needed to characterise the health risks from exposures in the home environment. Biologic assessment, which has been considered the gold standard for exposure assessment in recent years, is difficult to conduct in young children. Questionnaires are an alternative and indirect method of predicting exposure, which may overcome some of the limitations of direct exposure assessment. RESEARCH PROBLEM The feasibility of using a questionnaire-based approach to predict exposure of young children to EDCs in the home has yet to be comprehensively reviewed. Moreover, there is no one questionnaire that has been validated for predicting the exposure of infants to common EDCs in the home. AIMS AND OBJECTIVES The aim of this review is to discuss the use and validation of the questionnaire-based approach to predict exposure of children to chemicals from three common classes of EDCs in the home, namely, plasticisers, flame retardants, and insecticides. We discuss the strengths and weaknesses of the questionnaire-based approach as well as the important pathways of exposure in the home environment, by which to guide the design and validation of future exposure questionnaires. RESULTS The findings from our review indicate that the questionnaire-based approach is a valuable tool in the prediction of exposure to persistent organic pollutants, as well as to toxicants that have consistent patterns of exposure. With improvements to the design and validation process, the questionnaire-based approach may also prove to be a reliable instrument in predicting exposure to EDCs with short-half lives, including bisphenol A, phthalates, and pyrethroid and organophosphate insecticides.
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Imanishi S, Okura M, Zaha H, Yamamoto T, Akanuma H, Nagano R, Shiraishi H, Fujimaki H, Sone H. Prenatal exposure to permethrin influences vascular development of fetal brain and adult behavior in mice offspring. ENVIRONMENTAL TOXICOLOGY 2013; 28:617-629. [PMID: 24150868 DOI: 10.1002/tox.20758] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Revised: 06/17/2011] [Accepted: 06/25/2011] [Indexed: 06/02/2023]
Abstract
Pyrethroids are one of the most widely used classes of insecticides and show neurotoxic effects that induce oxidative stress in the neonatal rat brain. However, little is still known about effects of prenatal exposure to permethrin on vascular development in fetal brain, central nervous system development, and adult offspring behaviors. In this study, the effects of prenatal exposure to permethrin on the development of cerebral arteries in fetal brains, neurotransmitter in neonatal brains, and locomotor activities in offspring mice were investigated. Permethrin (0, 2, 10, 50, and 75 mg/kg) was orally administered to pregnant females once on gestation day 10.5. The brains of permethrin-treated fetuses showed altered vascular formation involving shortened lengths of vessels, an increased number of small branches, and, in some cases, insufficient fusion of the anterior communicating arteries in the area of circle of Willis. The prenatal exposure to permethrin altered neocortical and hippocampus thickness in the mid brain and significantly increased norepinephrine and dopamine levels at postnatal day 7 mice. For spontaneous behavior, the standing ability test using a viewing jar and open-field tests showed significant decrease of the standing ability and locomotor activity in male mice at 8 or 12 weeks of age, respectively. The results suggest that prenatal exposure to permethrin may affect insufficient development of the brain through alterations of vascular development.
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Affiliation(s)
- Satoshi Imanishi
- Health Risk Research Section, Center for Environmental Risk Research, National Institute for Environmental Studies 16-2, Onogawa, Tsukuba, Ibaraki 305-8506, Japan
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Zastre J, Dowd C, Bruckner J, Popovici A. Lack of P-Glycoprotein-Mediated Efflux and the Potential Involvement of an Influx Transport Process Contributing to the Intestinal Uptake of Deltamethrin, cis-Permethrin, and trans-Permethrin. Toxicol Sci 2013; 136:284-93. [DOI: 10.1093/toxsci/kft193] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Tornero-Velez R, Davis J, Scollon EJ, Starr JM, Setzer RW, Goldsmith MR, Chang DT, Xue J, Zartarian V, DeVito MJ, Hughes MF. A pharmacokinetic model of cis- and trans-permethrin disposition in rats and humans with aggregate exposure application. Toxicol Sci 2012; 130:33-47. [PMID: 22859315 DOI: 10.1093/toxsci/kfs236] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Permethrin is a broad-spectrum pyrethroid insecticide and among the most widely used insecticides in homes and crops. Managing the risks for pesticides such as permethrin depends on the ability to consider diverse exposure scenarios and their relative risks. Physiologically based pharmacokinetic models of delta methrin disposition were modified to describe permethrin kinetics in the rat and human. Unlike formulated deltamethrin which consists of a single stereoisomer, permethrin is formulated as a blend of cis- and trans-diastereomers. We assessed time courses for cis-permethrin and trans-permethrin in several tissues (brain, blood, liver, and fat) in the rat following oral administration of 1 and 10mg/kg permethrin (cis/trans: 40/60). Accurate simulation of permethrin in the rat suggests that a generic model structure is promising for modeling pyrethroids. Human in vitro data and appropriate anatomical information were used to develop a provisional model of permethrin disposition with structures for managing oral, dermal, and inhalation routes of exposure. The human permethrin model was used to evaluate dietary and residential exposures in the U.S. population as estimated by EPA's Stochastic Human Exposure and Dose Simulation model. Simulated cis- and trans-DCCA, metabolites of permethrin, were consistent with measured values in the National Health and Nutrition Examination Survey, indicating that the model holds promise for assessing population exposures and quantifying dose metrics.
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Affiliation(s)
- Rogelio Tornero-Velez
- NERL/ORD, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina, USA.
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Ueyama J, Saito I, Kondo T, Taki T, Kimata A, Saito S, Ito Y, Murata K, Iwata T, Gotoh M, Shibata E, Wakusawa S, Kamijima M. Urinary concentrations of organophosphorus insecticide metabolites in Japanese workers. CHEMOSPHERE 2012; 87:1403-1409. [PMID: 22455950 DOI: 10.1016/j.chemosphere.2012.02.048] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2011] [Revised: 02/13/2012] [Accepted: 02/17/2012] [Indexed: 05/31/2023]
Abstract
A recent development in analytical chemistry has enabled us to monitor systemic organophosphorus insecticide (OP) exposure at individual levels. At present, however, limited data are currently available on urinary OP metabolite levels worldwide. The purpose of this study was to assess urinary dialkylphosphate (DAP) concentrations in Japanese workers. Urine samples were collected in both summer and winter from 339 Japanese adults who worked as food distributors (FDs, n=164), apple farmers (AFs, n=147) and pest control operators (PCOs, n=28). DAPs were measured by gas chromatography-mass spectrometry after derivatization with pentafluorobenzylbromide. Dimethylphosphate (DMP), diethylphosphate (DEP), dimethylthiophosphate (DMTP) and diethylthiophosphate (DETP) were detected in the urine of over 87% of the studied populations in both seasons. The geometric mean values of total DAPs (nmol g(-1) creatinine), DMP, DMTP, DEP and DETP (μg g(-1) creatinine) in summer and winter were 106.7 and 98.3, 7.0 and 3.8, 3.4 and 4.5, 0.8 and 1.5, and 0.3 and 0.2 for the FDs, 440.8 and 197.7, 33.1 and 10.8, 10.1 and 5.8, 4.2 and 4.7 and 1.6 and 0.8 for the AFs, and 473.4 and 284.6, 28.9 and 22.2, 17.6 and 4.6, 3.5 and 4.4, and 0.5 and 0.6 for the PCOs, respectively, thereby revealing significantly higher concentrations in AFs and PCOs groups than in the FDs in both seasons except for winter DMTP. These DAP concentrations were approximately the same or at lower levels compared with those reported in the previous literature. This is one of the first studies to demonstrate urinary DAP concentrations in Japanese adults.
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Affiliation(s)
- Jun Ueyama
- Department of Medical Technology, Nagoya University School of Health Sciences, Nagoya 461-8673, Japan
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