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Singh P, Gopi P, Rani MSS, Singh S, Pandya P. Biophysical and structural characterization of tetramethrin serum protein complex and its toxicological implications. J Mol Recognit 2024; 37:e3076. [PMID: 38366770 DOI: 10.1002/jmr.3076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 02/18/2024]
Abstract
Tetramethrin (TMT) is a commonly used insecticide and has a carcinogenic and neurodegenerative effect on humans. The binding mechanism and toxicological implications of TMT to human serum albumin (HSA) were examined in this study employing a combination of biophysical and computational methods indicating moderate binding affinity and potential hepato and renal toxicity. Fluorescence quenching experiments showed that TMT binds to HSA with a moderate affinity, and the binding process was spontaneous and predominantly enthalpy-driven. Circular dichroism spectroscopy revealed that TMT binding did not induce any significant conformational changes in HSA, resulting in no changes in its alpha-helix content. The binding site and modalities of TMT interactions with HSA as computed by molecular docking and molecular dynamics simulations revealed that it binds to Sudlow site II of HSA via hydrophobic interactions through its dimethylcyclopropane carboxylate methyl propanyl group. The structural dynamics of TMT induce proper fit into the binding site creating increased and stabilizing interactions. Additionally, molecular mechanics-Poisson Boltzmann surface area calculations also indicated that non-polar and van der Waals were found to be the major contributors to the high binding free energy of the complex. Quantum mechanics (QM) revealed the conformational energies of the binding confirmation and the degree of deviation from the global minimum energy conformation of TMT. The results of this study provide a comprehensive understanding of the binding mechanism of TMT with HSA, which is important for evaluating the toxicity of this insecticide in humans.
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Affiliation(s)
- Pratik Singh
- Amity Institute of Forensic Sciences, Amity University, Noida, India
| | - Priyanka Gopi
- Amity Institute of Forensic Sciences, Amity University, Noida, India
| | | | - Shweta Singh
- Amity Institute of Forensic Sciences, Amity University, Noida, India
| | - Prateek Pandya
- Amity Institute of Forensic Sciences, Amity University, Noida, India
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Elbanna R, Osman KA, Salama MS. Biomarkers of oral subacute toxicity of deltamethrin in exposed male Albino rats. Toxicol Ind Health 2023; 39:735-753. [PMID: 37877786 DOI: 10.1177/07482337231209360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Deltamethrin is one of the most effective pyrethroid compounds, widely employed in veterinary medicine, public health, and farming. Deltamethrin-triggered oxidative stress largely causes serious harm to an organism. Acute toxicity of this compound was extensively investigated, while less information is available on its oral sub-acute effects. This study assessed, in the male Albino rats, the effects of oral gavage of either 0.874 mg/kg (0.01 LD50) or 8.740 mg/kg (0.10 LD50) of deltamethrin for successive 14 days to investigate its effects on biomarkers and to detect the tissue injury in rats following subacute deltamethrin treatment. It was found that levels of glutathione peroxidase, superoxide dismutase, and catalase in the brain, kidney, and liver, alkaline phosphatase (ALP), and uric acid in serum, hematocrit, mean corpuscular volume (MCV), white blood cells (WBC)s, eosinophils, and basophils were significantly reduced compared with untreated rats. However, when rats were treated with deltamethrin for successive 14 days, alanine aminotransferase (ALT) and lactate dehydrogenase (LDH) activities in serum and the levels of thiobarbituric acid reactive substances (TBARs) in brain, kidney, and liver, red blood cell distribution width (RDW-CV), total protein, monocytes, and basophils and the ratios of neutrophils to lymphocytes, an aggregated marker of systemic inflammation and systemic immune inflammation indexes, significantly increased compared with the control group. Histologic lesions were observed in the liver, kidney, brain, testis, and epidemies in rats exposed to subacute deltamethrin for 14 days, and most tissues of rats treated with 0.10 LD50 of deltamethrin were more affected than those treated with 0.01 LD50. These findings strongly suggest that subacute exposure to deltamethrin caused significant systemic toxicity through oxidative stress resulting in biochemical and histological changes in the studied tissues. These findings highlight the potential harmful effects of deltamethrin and emphasize the importance of understanding the subacute effects of this compound, particularly in the context of veterinary medicine, public health, and farming.
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Affiliation(s)
- Rania Elbanna
- Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
| | - Khaled A Osman
- Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
| | - Maher S Salama
- Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
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Sheikh IA, Beg MA, Hamoda TAAM, Mandourah HMS, Memili E. Androgen receptor signaling and pyrethroids: Potential male infertility consequences. Front Cell Dev Biol 2023; 11:1173575. [PMID: 37187621 PMCID: PMC10175798 DOI: 10.3389/fcell.2023.1173575] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 04/10/2023] [Indexed: 05/17/2023] Open
Abstract
Infertility is a global health concern inflicting a considerable burden on the global economy and a severe socio-psychological impact. Approximately 15% of couples suffer from infertility globally, with a male factor contribution of approximately 50%. However, male infertility remains largely unexplored, as the burden of infertility is mostly assigned to female people. Endocrine-disrupting chemicals (EDCs) have been proposed as one of the factors causing male infertility. Pyrethroids represent an important class of EDCs, and numerous studies have associated pyrethroid exposure with impaired male reproductive function and development. Therefore, the present study investigated the potentially toxic effects of two common pyrethroids, cypermethrin and deltamethrin, on androgen receptor (AR) signaling. The structural binding characterization of cypermethrin and deltamethrin against the AR ligand-binding pocket was performed using Schrodinger's induced fit docking (IFD) approach. Various parameters were estimated, such as binding interactions, binding energy, docking score, and IFD score. Furthermore, the AR native ligand, testosterone, was subjected to similar experiments against the AR ligand-binding pocket. The results revealed commonality in the amino acid-binding interactions and overlap in other structural parameters between the AR native ligand, testosterone, and the ligands, cypermethrin and deltamethrin. The estimated binding energy values of cypermethrin and deltamethrin were very high and close to those calculated for AR native ligand, testosterone. Taken together, the results of this study suggested potential disruption of AR signaling by cypermethrin and deltamethrin, which may result in androgen dysfunction and subsequent male infertility.
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Affiliation(s)
- Ishfaq Ahmad Sheikh
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
- *Correspondence: Ishfaq Ahmad Sheikh,
| | - Mohd Amin Beg
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | | | - Erdogan Memili
- College of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, TX, United States
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Oliveira JM, Condessa SS, Destro ALF, Lima GDA, do Carmo Cupertino M, Cardoso SA, Freitas MB, de Oliveira LL. Morphophysiological alterations in fruit-eating bats after oral exposure to deltamethrin. Int J Exp Pathol 2022; 103:219-230. [PMID: 36059214 PMCID: PMC9482353 DOI: 10.1111/iep.12455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 06/21/2022] [Indexed: 11/27/2022] Open
Abstract
Deltamethrin (DTM) is a synthetic pyrethroid widely used in the cultivation and management of several crops due to its insecticidal action. Application to crops of pyrethroids such as DTM can result in the exposure of water and fruit consumed by fruit bats having a high pyrethroid content which may be harmful. Therefore the objective of this study was to evaluate the effects of short-term oral exposure of the fruit-eating bats (Artibeus lituratus) to two concentrations of DTM (0.02 and 0.04 mg/kg of papaya) on histopathology of the intestine, liver and kidney. The intestine of the animals exposed to both concentrations showed inflammatory infiltrate, degeneration, necrosis and goblet cell hyperplasia as the most frequent pathologies. Besides, the acid mucins showed an increase in the frequency of non-viable cells. The liver showed hepatocyte vacuolizatio and nuclear enlargement, as well as inflammatory infiltrate and steatosis. The kidneys of the exposed animals showed and inflammatory infiltrate, benign nephrosclerosis, vacuolization and necrosis. Also, DTM reduced nitric oxide synthesis, decreased glomerular diameter and increased glycogen percentage in the proximal tubules. Our results suggest that acute exposure to DTM at low concentrations has the potential to induce pronounced histopathological changes in vital organs, such as intestine, liver and kidney of fruit-eating bats.
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Nelson PN. A Computational Mechanistic Study of the Hydrolytic Degradation of three common Pyrethroid Insecticides. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Rivera-Dávila OL, Sánchez-Martínez G, Rico-Martínez R. Toxicity tests, bioaccumulation and residuality of pyrethroid insecticides commonly used to control conifer bark beetles in Mexico. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:782-796. [PMID: 35445954 DOI: 10.1007/s10646-022-02546-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/30/2022] [Indexed: 06/14/2023]
Abstract
Effectiveness of pyrethroid insecticides against pests including bark beetles (Dendroctonus spp.) is well known, but little is known about their (a) residuality and persistence in forests after application to control an outbreak and (b) ability to bioaccumulate in insects, which could cause adverse effects on the trophic chains. The 24 h lethal toxicity, bioaccumulation factors, and lethal body burdens of the pyrethroid insecticides bifenthrin, deltamethrin, and cypermethrin were evaluated in the bark beetle Dendroctonus mexicanus. The residuality and persistence of the insecticide bifenthrin in the forest ecosystem (soil, water, and sediment) was also monitored after its application in a region infested by bark beetles. We determined whether contamination of soil, water, and sediments occurred near the sanitation site. For D. mexicanus, the most toxic insecticide for adults was bifenthrin for topical application (LC50 = 0.94 mg/L) and cypermethrin for bark application (LC50 = 5.04 mg/L). The insecticide that bioaccumulated the most in the insect body was deltamethrin (622.41 μg g-1 dw) and the insecticide that bioaccumulated the least amount was cypermethrin (183.09 μg g-1 dw). However, cypermethrin was the active substance that presented the lowest body burdens, and therefore required a lower dose to cause death of D. mexicanus adults. Our results demonstrate that prolonged presence of bifenthrin in the forest ecosystem could lead to bioaccumulation in soil, sediment, and insects.
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Affiliation(s)
- Olga Lidia Rivera-Dávila
- Departamento de Química. Avenida Universidad 940. Aguascalientes, Universidad Autónoma de Aguascalientes. Centro de Ciencias Básicas, Aguascalientes, C.P. 20131, Mexico
| | - Guillermo Sánchez-Martínez
- Centro de Investigación Regional Norte Centro, Campo Experimental Pabellón, INIFAP, Km. 32.5 Carretera Aguascalientes-Zacatecas, Pabellón de Arteaga, Ags. C.P. 20670, Mexico.
| | - Roberto Rico-Martínez
- Departamento de Química. Avenida Universidad 940. Aguascalientes, Universidad Autónoma de Aguascalientes. Centro de Ciencias Básicas, Aguascalientes, C.P. 20131, Mexico.
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Environmental Exposure to Non-Persistent Endocrine Disrupting Chemicals and Endometriosis: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19095608. [PMID: 35565013 PMCID: PMC9105029 DOI: 10.3390/ijerph19095608] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/25/2022] [Accepted: 04/30/2022] [Indexed: 02/04/2023]
Abstract
Endometriosis is a disease characterized by the presence of the uterine endometrium outside of its normal location. As the etiology of endometriosis is not well known and hormonal imbalance is central to disease pathogenesis, the potential contribution of exposure to endocrine-disrupting chemicals (EDCs) has been hypothesized in endometriosis. A systematic search of the literature was carried out to identify relevant studies using: PubMed, Scopus, Elsevier, Springer; EBSCO, and Web of Science. A total of 22 studies were considered. Most of the studies reviewed in this paper showed an association between exposure to BPA and phthalates and endometriosis. In the case of phthalate exposure, the reviewed studies found an association between the concentration of at least one phthalate metabolite and endometriosis. Only one study was performed to assess the exposure to parabens and a significant relationship with endometriosis was found. Additionally, only one study assessed the relationship of non-persistent pesticide exposure with endometriosis, observing a significant association between endometriosis and the urinary concentration of diazinon, chlorpyrifos, and chlorpyrifos-methyl. Studies struggled to provide a conclusion on the effect of exposure to benzophenones on endometriosis. Despite the numerous limitations of the results, the reviewed studies suggest that exposure to non-persistent endocrine disruptors, especially bisphenol A and phthalates may affect endometriosis. The results of the studies on exposure to parabens, benzophenones, and non-persistent insecticides are inconclusive.
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Xi C, Yang Z, Yu Y, Li S, He J, El-Aziz TMA, Zhao F, Cao Z. Influence of perinatal deltamethrin exposure at distinct developmental stages on motor activity, learning and memory. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 236:113460. [PMID: 35378399 DOI: 10.1016/j.ecoenv.2022.113460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/12/2022] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Perinatal exposure to deltamethrin (DM) causes attention-deficit/ hyperactivity disorder-like behaviors. However, the vulnerable time window to DM exposure and the possible mechanism are obscure. We aimed to identify the critical window(s) at perinatal stages for DM exposure and the possible mechanism. METHOD Pregnant mice were exposed to DM (0.5 mg/kg) at three different prenatal stages [gestational day (GD) 0-5, 6-15 and 16-birth (16-B)] and early postnatal stage (PD 0-10). Locomotor activity, learning and memory were evaluated using open field and Y-maze test, respectively. Nissl staining and western blots were used to examine the neuronal loss and the protein expression, respectively. RESULTS Perinatal exposures to DM had no effect on reproductive and growth index of offspring. However, mice receiving DM exposure during GD 16-B displayed significantly higher mortality suggesting GD 16-B is the most vulnerable time window to DM exposure. Prenatal but not early postnatal DM exposure impaired locomotor activity, learning and memory, and caused neuron loss in the dentate gyrus of male offspring. However, neither prenatal nor postnatal DM exposure affected mouse behavior of female offspring. Prenatal DM exposures decreased the protein levels of NR2A and NR2B in both hippocampi and cerebral cortices of male offspring. However, female mice receiving DM exposure at GD 16-B but not other stages displayed increased expression levels of NR2A and NR2B in hippocampi. CONCLUSION Prenatal but not early postnatal DM exposure impairs the neuron development in male but not female mice. Altered NMDA receptor expression may correlate to DM-induced behavioral deficits.
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Affiliation(s)
- Chuchu Xi
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Zhao Yang
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Yiyi Yu
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Shaoheng Li
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Jing He
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Tarek Mohamed Abd El-Aziz
- Zoology Department, Faculty of Science, Minia University, El-Minia 61519, Egypt; Department of Cellular and Integrative Physiology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229-3900, USA.
| | - Fang Zhao
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Zhengyu Cao
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
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9
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Analysis of Biodegradation of the Synthetic Pyrethroid Cypermethrin by Beauveria bassiana. Curr Microbiol 2022; 79:46. [PMID: 34982241 DOI: 10.1007/s00284-021-02744-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 12/07/2021] [Indexed: 11/03/2022]
Abstract
Entomopathogenic fungi like Beauveria bassiana play a crucial role in natural control of arthropod pests which are being used in Integrated Pest Management programs. Assessing the compatibility of biological and chemical counterparts used in IPM programs is essential to achieve successful results in pest management. Behavior of four isolates of B. bassiana (ITCC 913, ARSEF 2860, ARSEF 1166, and ARSEF 3041) was tested in the presence of the pyrethroid insecticide cypermethrin. Spore germination and growth bioassays were conducted to assess the impact of cypermethrin on germination and growth. Though growth was not totally inhibited, there was retardation in the germination of spores and growth of the mycelium. Under this condition, ITCC 913 showed highest tolerance toward cypermethrin. Further analysis of the culture crude extracts by GC-MS revealed degradation of the insecticide by B. bassiana and putative intermediates of the degradation pathway were identified. This study reveals the potential of the entomopathogen B. bassiana in degradation of the pyrethroid insecticide cypermethrin. In conclusion, this potentiality of the studied fungus may help in the IPM strategies and find its role in degradation of such chemical pesticide compounds for utilization as a biodegradation agent further.
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Greño M, Amariei G, Boltes K, Castro-Puyana M, García MA, Marina ML. Ecotoxicity evaluation of tetramethrin and analysis in agrochemical formulations using chiral electrokinetic chromatography. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 800:149496. [PMID: 34388647 DOI: 10.1016/j.scitotenv.2021.149496] [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: 05/29/2021] [Revised: 08/02/2021] [Accepted: 08/02/2021] [Indexed: 06/13/2023]
Abstract
The separation of the four isomers of tetramethrin was performed for the first time using a cyclodextrin-micellar electrokinetic chromatography methodology. Using sodium deoxycholate and 2-hydroxypropyl-β-CD as chiral selectors, tetramethrin isomers were separated with resolution values of 1.7 and 1.1 for trans- and cis-isomers, respectively, in analysis times lower than 12.5 min. Once developed and optimized, the analytical method was applied to the analysis of an antiparasitic commercial formulation and to the evaluation of the stability and ecotoxicity of tetramethrin. Using measured concentrations, the stability was assessed at enantiomeric level and the ecotoxicological parameters on Daphnia magna were determined. Tetramethrin presents toxicity on aquatic microinvertebrates, with EC50 (t = 72 h) of 1.8 mg/L. The acute toxicity of tetrametrin was attributed to the trans-1 enantiomer. The first evidence of oxidative stress-mediated mode of action for tetramethrin on Daphnia magna is reported in the present work.
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Affiliation(s)
- M Greño
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain
| | - G Amariei
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain
| | - K Boltes
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain; Madrid Institute for Advanced Studies of Water (IMDEA Agua), Parque Científico Tecnológico, E-28805 Alcalá de Henares, Madrid, Spain
| | - M Castro-Puyana
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain; Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain
| | - M A García
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain; Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain
| | - M L Marina
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain; Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain.
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Koch D, Clark KL, Owen J, Chickering CD, Plastridge R, Hendley P, Xu T. Automated Solid-Phase Microextraction and Negative Chemical Ionization GC-MS for the Measurement of Synthetic Pyrethroids. Chem Res Toxicol 2021; 34:2045-2053. [PMID: 34436867 DOI: 10.1021/acs.chemrestox.1c00133] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Synthetic pyrethroids are frequently detected as trace contaminants in sediment and natural waters. Because of the importance of measuring both total and freely available concentrations for ecotoxicity evaluations, solid-phase microextraction (SPME) combined with gas chromatography-mass spectrometry using negative chemical ionization (NCI-GC-MS) was investigated as an analytical technique. Automated SPME-NCI-GC-MS quantification of freely dissolved (and thus potentially bioavailable) pyrethroids in aqueous samples containing dissolved organic matter (DOM) was successfully applied. The introduction of stable isotope-labeled pyrethroid calibration standards into the water sample allows for the simultaneous determination of total concentrations. Because pyrethroids adsorb rapidly to container walls (especially in calibration standard solutions without DOM) it was necessary to develop a technique to minimize the resulting time-dependent losses from calibration standard solutions in autosampler vials as they await analysis. A staggered preparation of these analytical calibration standards immediately prior to analysis was shown to ameliorate this problem. The developed method provides accurate and reproducible results for aqueous samples containing a range of dissolved organic matter concentrations (e.g., sediment pore water or sediment/water mixtures) and yields practical benefits in comparison to conventional analysis methods, such as reduced sample volume requirements, reduced solvent consumption, and fewer sample manipulations, and makes simultaneous measurements of freely dissolved/bioavailable pyrethroids and total pyrethroids possible.
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Affiliation(s)
- Del Koch
- Inovatia Laboratories, Limited Liability Corporation, 120 East Davis Street, Fayette, Missouri 65248, United States
| | - Kevin L Clark
- ABC Laboratories, 7200 East ABC Lane, Columbia, Missouri 65202, United States
| | - John Owen
- ABC Laboratories, 7200 East ABC Lane, Columbia, Missouri 65202, United States
| | - Clark D Chickering
- ABC Laboratories, 7200 East ABC Lane, Columbia, Missouri 65202, United States
| | - Robert Plastridge
- ABC Laboratories, 7200 East ABC Lane, Columbia, Missouri 65202, United States
| | - Paul Hendley
- Phasera Limited, 7 Kenilworth Avenue, Bracknell, Berkshire RG12 2JJ, United Kingdom
| | - Tianbo Xu
- Bayer CropScience US, 700 Chesterfield Parkway West, Chesterfield, Missouri 63017, United States
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Possetto D, Reynoso A, Natera J, Massad WA. Kinetics of the riboflavin-sensitized degradation of pyrethroid insecticides. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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13
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Personne S, Brochot C, Marcelo P, Corona A, Desmots S, Robidel F, Lecomte A, Bach V, Zeman F. Evaluation of Placental Transfer and Tissue Distribution of cis- and Trans-Permethrin in Pregnant Rats and Fetuses Using a Physiological-Based Pharmacokinetic Model. Front Pediatr 2021; 9:730383. [PMID: 34631627 PMCID: PMC8495120 DOI: 10.3389/fped.2021.730383] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 08/24/2021] [Indexed: 11/13/2022] Open
Abstract
Biomonitoring studies have highlighted the exposure of pregnant women to pyrethroids based on the measurement of their metabolites in urine. Pyrethroids can cross the placental barrier and be distributed in the fetus as some pyrethroids were also measured in the meconium of newborns. Prenatal exposure to pyrethroids is suspected to alter the neurodevelopment of children, and animal studies have shown that early life exposure to permethrin, one of the most commonly used pyrethroid in household applications, can alter the brain development. This study aimed to characterize the fetal permethrin exposure throughout gestation in rats. We developed a pregnancy physiologically based pharmacokinetic (pPBPK) model that describes the maternal and fetal kinetics of the cis- and trans- isomers of permethrin during the whole gestation period. Pregnant Sprague-Dawley rats were exposed daily to permethrin (50 mg/kg) by oral route from the start of gestation to day 20. Permethrin isomers were quantified in the feces, kidney, mammary gland, fat, and placenta in dams and in both maternal and fetal blood, brain, and liver. Cis- and trans-permethrin were quantified in fetal blood and tissues, with higher concentrations for the cis-isomer. The pPBPK model was fitted to the toxicokinetic maternal and fetal data in a Bayesian framework. Several parameters were adjusted, such as hepatic clearances, partition coefficients, and intestinal absorption. Our work allowed to estimate the prenatal exposure to permethrin in rats, especially in the fetal brain, and to quantitatively estimate the placental transfer. These transfers could be extrapolated to humans and be incorporated in a human pPBPK model to estimate the fetal exposure to permethrin from biomonitoring data.
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Affiliation(s)
- Stéphane Personne
- Péritox, UMR_I 01, Université de Picardie Jules Verne, Amiens, France.,Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Céline Brochot
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Paulo Marcelo
- Plateforme ICAP, ICP FR CNRS 3085, Université de Picardie Jules Verne, Amiens, France
| | - Aurélie Corona
- Péritox, UMR_I 01, Université de Picardie Jules Verne, Amiens, France
| | - Sophie Desmots
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Franck Robidel
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Anthony Lecomte
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Véronique Bach
- Péritox, UMR_I 01, Université de Picardie Jules Verne, Amiens, France
| | - Florence Zeman
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
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Barbero GF, de Aguiar AC, Ferreiro-González M, Rostagno MA. Editorial: Exploring the Potential of Natural Products Through Advanced Techniques and Green Solvents. Front Chem 2020; 8:627111. [PMID: 33365303 PMCID: PMC7750187 DOI: 10.3389/fchem.2020.627111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 11/16/2020] [Indexed: 11/25/2022] Open
Affiliation(s)
| | - Ana Carolina de Aguiar
- Laboratório de Engenharia de Processos, Departamento de Engenharia de Alimentos, Faculdade de Engenharia de Alimentos (LEP/DEA/FEA), University of Campinas, Campinas, Brazil
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15
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Prabhakara A, Nanjappa DP, Babu N, Kalladka K, Chakraborty A, Chakraborty G. Exposure to Mosquito Repellents Causes Profound Development Defects and Induces Oxidative Stress in Zebrafish. JOURNAL OF HEALTH AND ALLIED SCIENCES NU 2020. [DOI: 10.1055/s-0040-1716450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Abstract
Objective The study was designed to investigate the effects of commercially available mosquito repellents on embryonic development of zebrafish.
Materials and Methods Transfluthrin is a type I pyrethroid present in all commercial mosquito and insect repellents. Pyrethrins are neurotoxins that target the nervous system of insects. Three popular brands of liquid vaporizer repellents coded as compound A, B, and C that contained transfluthrin, ranging from 0.88 to 1.6% w/w, were used in this study. The effects of these compounds on the embryonic development of zebrafish were investigated. In addition, the ability of transfluthrin to induce oxidative stress was examined by analyzing the generation of reactive oxygen species in exposed embryos.
Results The exposure to mosquito repellents resulted in extensive morphological defects in zebrafish embryos. The severity of the anomalies correlated with the concentration of transfluthrin in the repellents. Exposure to pure transfluthrin generated high levels of reactive oxygen species in zebrafish embryos, suggesting the induction of oxidative stress.
Conclusion Liquid vaporizer repellents are generally used for control of mosquitos and are common in many households. This study demonstrated that its exposure to mosquito repellents causes severe morphological defects and embryonic lethality in zebrafish. The study also showed that transfluthrin, the active insecticide in these repellents, induces oxidative stress in zebrafish.
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Affiliation(s)
- Aprathi Prabhakara
- Division of Molecular Genetics and Cancer, Nitte University Centre for Science and Education, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Dechamma Pandyanda Nanjappa
- Division of Molecular Genetics and Cancer, Nitte University Centre for Science and Education, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Nishith Babu
- Division of Molecular Genetics and Cancer, Nitte University Centre for Science and Education, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Krithika Kalladka
- Division of Molecular Genetics and Cancer, Nitte University Centre for Science and Education, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Anirban Chakraborty
- Division of Molecular Genetics and Cancer, Nitte University Centre for Science and Education, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Gunimala Chakraborty
- Division of Molecular Genetics and Cancer, Nitte University Centre for Science and Education, Nitte (Deemed to be University), Mangalore, Karnataka, India
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16
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Cathodic stripping voltammetric determination of β-cyfluthrin, a pyrethroid insecticide, using polished silver solid amalgam electrode. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04538-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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17
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Vidal LG, Vannuci-Silva M, Alonso MB, Feo ML, Corcellas C, Bisi TL, Flach L, Fragoso ABL, Lima Silva FJ, Carvalho VL, de Meirelles ACO, Domit C, Barbosa LA, Cremer MJ, Azevedo AF, Torres JPM, Malm O, Lailson-Brito J, Eljarrat E. Pyrethroid insecticides along the Southwestern Atlantic coast: Guiana dolphin (Sotalia guianensis) as a bioindicator. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 728:138749. [PMID: 32570306 DOI: 10.1016/j.scitotenv.2020.138749] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 04/14/2020] [Accepted: 04/14/2020] [Indexed: 06/11/2023]
Abstract
The presence of pyrethroid compounds in hepatic tissue of Guiana dolphins (Sotalia guianensis) is reported for the first time. Twelve pyrethroids were determined in 50 animals from eight locations of the Brazilian coast. The highest average concentration of total pyrethroids (∑PYR) was 1166 ng.g-1 lw, with values ranging from 148 to 5918 ng.g-1 lw, in Ilha Grande Bay, Rio de Janeiro State, while the Espírito Santo State had the highest median, 568 ng.g-1 lw. Permethrin was the predominant compound in most areas, contributing for 42% to 81% of the ∑PYR, whereas cypermethrin was the most abundant compound in Guanabara and Sepetiba bays (79% and 81%, respectively), both located in Rio de Janeiro State. Biological factors were not correlated with pyrethroids concentration. Tetramethrin and es/fenvalerate compounds were negatively correlated to the age, suggesting degradation/metabolization capacity in these animals that increases throughout life. Despite being metabolized and excreted, the wide use of these pollutants is reflected in relevant concentrations found in Guiana dolphins. This is the first study evaluating pyrethroids in a representative number of hepatic samples and covering >2600 km of coast. The overall lack of information on pyrethroids in cetaceans highlights the importance of understanding the profile and distribution of these pollutants in dolphins which exclusively inhabit the Southwestern Atlantic coast.
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Affiliation(s)
- Lara G Vidal
- Aquatic Mammal and Bioindicator Laboratory Professora Izabel Gurgel (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rua São Francisco Xavier, 524/ 4002-E, Maracanã, 20550-013 Rio de Janeiro, RJ, Brazil; Radioisotope Laboratory Eduardo Penna Franca (LREPF), Biophysics Institute Carlos Chagas Filho (IBCCF), Federal University of Rio de Janeiro (UFRJ), Brazil
| | - Monizze Vannuci-Silva
- Aquatic Mammal and Bioindicator Laboratory Professora Izabel Gurgel (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rua São Francisco Xavier, 524/ 4002-E, Maracanã, 20550-013 Rio de Janeiro, RJ, Brazil
| | - Mariana B Alonso
- Aquatic Mammal and Bioindicator Laboratory Professora Izabel Gurgel (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rua São Francisco Xavier, 524/ 4002-E, Maracanã, 20550-013 Rio de Janeiro, RJ, Brazil; Radioisotope Laboratory Eduardo Penna Franca (LREPF), Biophysics Institute Carlos Chagas Filho (IBCCF), Federal University of Rio de Janeiro (UFRJ), Brazil
| | - Maria L Feo
- Water, Environmental and Food Chemistry, Department of Environmental Chemistry, IDAEA, CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Cayo Corcellas
- Water, Environmental and Food Chemistry, Department of Environmental Chemistry, IDAEA, CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Tatiana L Bisi
- Aquatic Mammal and Bioindicator Laboratory Professora Izabel Gurgel (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rua São Francisco Xavier, 524/ 4002-E, Maracanã, 20550-013 Rio de Janeiro, RJ, Brazil
| | - Leonardo Flach
- Instituto Boto Cinza, Rua Dom Pedro I, Itacuruçá, 23870-000 Mangaratiba, RJ, Brazil
| | - Ana Bernadete Lima Fragoso
- Programa de Pós-Graduação em Ciências Naturais/Projeto Cetáceos da Costa Branca-Universidade do Estado do Rio Grande do Norte (UERN)/Projeto Golfinho Rotador. Mossoró, Rio Grande do Norte, Brazil
| | - Flávio J Lima Silva
- Programa de Pós-Graduação em Ciências Naturais/Projeto Cetáceos da Costa Branca-Universidade do Estado do Rio Grande do Norte (UERN)/Projeto Golfinho Rotador. Mossoró, Rio Grande do Norte, Brazil
| | - Vítor Luz Carvalho
- Associação de Pesquisa e Preservação de Ecossistemas Aquáticos (AQUASIS), Caucaia, Ceará, Brazil
| | | | - Camila Domit
- Ecology and Conservation Laboratory, Marine Studies Center (CEM), Federal University of Paraná (UFPR), Av Beira Mar s/n, Pontal do Sul, Pontal do Paraná, 83255-000, PR, Brazil
| | - Lupércio A Barbosa
- Environmental Awareness Organization (ORCA), Rua São Paulo, 23, Praia da Costa, Vila Velha, ES 29101-315, Brazil
| | - Marta J Cremer
- Ecology and Conservation Laboratory for marine and coastal tetrapods, University of Joinville Region (UNIVILLE), São Francisco do Sul, Rod. Duque de Caxias, 6365, Iperoba, São Francisco do Sul, 89240-000, SC, Brazil
| | - Alexandre F Azevedo
- Aquatic Mammal and Bioindicator Laboratory Professora Izabel Gurgel (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rua São Francisco Xavier, 524/ 4002-E, Maracanã, 20550-013 Rio de Janeiro, RJ, Brazil
| | - João Paulo M Torres
- Aquatic Mammal and Bioindicator Laboratory Professora Izabel Gurgel (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rua São Francisco Xavier, 524/ 4002-E, Maracanã, 20550-013 Rio de Janeiro, RJ, Brazil
| | - Olaf Malm
- Radioisotope Laboratory Eduardo Penna Franca (LREPF), Biophysics Institute Carlos Chagas Filho (IBCCF), Federal University of Rio de Janeiro (UFRJ), Brazil
| | - José Lailson-Brito
- Aquatic Mammal and Bioindicator Laboratory Professora Izabel Gurgel (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rua São Francisco Xavier, 524/ 4002-E, Maracanã, 20550-013 Rio de Janeiro, RJ, Brazil
| | - Ethel Eljarrat
- Water, Environmental and Food Chemistry, Department of Environmental Chemistry, IDAEA, CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain.
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Kuang L, Hou Y, Huang F, Hong H, Sun H, Deng W, Lin H. Pesticide residues in breast milk and the associated risk assessment: A review focused on China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 727:138412. [PMID: 32330708 DOI: 10.1016/j.scitotenv.2020.138412] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 03/11/2020] [Accepted: 04/01/2020] [Indexed: 06/11/2023]
Abstract
This review aims to provide an overview of studies on pesticide residues in breast milk in China and the related health risk to mother and infants. Results showed that the investigations of breast milk covered 22 provincial administrative regions of China. Beijing and some densely populated and economically developed areas have most publications. The study frequency was followed the order of DDTs>HCHs>HCB > ∑Drins,∑Chlordane. While the residue levels were ranked as DDTs, HCHs > ∑Drins>HCB > ∑Chlordane. The highest residue levels of DDTs and HCHs in breast milk were found in 1980s (~10,000 ng/g lipid), then experienced a sharp decrease in 1990s (~1000-2000 ng/g lipid). In 2000s and 2010s, DDTs, and HCHs residue still showed a decreasing trend. Spatially, people located in urban area, coastal areas and southern China tend to have higher pesticide residues as compared to rural area, inland area and northern China, respectively. Other factors such as dietary habit, living environment, the maternal age, the parity, body mass index, lactation period, menstruation characteristics as well as hormonal drug intake and infertility treatment will also affect the pesticide residues in breast milk of Chinese people. According to the estimated daily ingestion (EDI) of breast milk, the average health risk for infants were generally exceeded the acceptable level before 2006, while after that, most EDI values were within the standard. Body burden of pesticides in mother can also be evaluated by using the residue data in breast milk, but no relevant guidelines were available. Other knowledge gap included 1) for some provinces with large consumption of pesticides or located in remote and plateau areas, there are few/no studies available; 2) current study on pesticide residues in breast milk in China were only focused on organochlorine pesticides, research on current used pesticides (such as pyrethroids, organophosphorus, carbamate) were necessary in the future.
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Affiliation(s)
- Lihong Kuang
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, PR China
| | - Yizhong Hou
- Jinhua Center for Disease Control and Prevention, Jinhua 321000, PR China
| | - Fangqu Huang
- Jinhua Center for Disease Control and Prevention, Jinhua 321000, PR China
| | - Huachang Hong
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, PR China.
| | - Hongjie Sun
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, PR China
| | - Wenjing Deng
- Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, N.T., Hong Kong
| | - Hongjun Lin
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, PR China
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Nakagawa LE, do Nascimento CM, Costa AR, Polatto R, Papini S. Persistence of indoor permethrin and estimation of dermal and non-dietary exposure. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2020; 30:547-553. [PMID: 30926895 DOI: 10.1038/s41370-019-0132-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 01/07/2019] [Accepted: 02/15/2019] [Indexed: 06/09/2023]
Abstract
Pesticides applied indoors may persist longer than they would in outdoor environments, making people more vulnerable to the risk of exposure. Permethrin is a pyrethroid insecticide used in agricultural, residential, and public health sites, and is commonly detected in indoor environments. The objectives of this study were to evaluate the persistence of permethrin indoors and to estimate the levels of possible dermal and non-dietary exposure to this insecticide. Permethrin was applied on aluminum foil and kept in a glass chamber and a test house for 112 days; its concentration was measured at application and after 28, 56, and 112 days. Permethrin persisted for the entire 112 days in concentrations equal to a maximum of 89.6% of the initial concentration. We observed low levels of human dermal and non-dietary exposure to permethrin.
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20
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Wang Q, Shen JY, Zhang R, Hong JW, Li Z, Ding Z, Wang HX, Zhang JP, Zhang MR, Xu LC. Effects and mechanisms of pyrethroids on male reproductive system. Toxicology 2020; 438:152460. [PMID: 32278050 DOI: 10.1016/j.tox.2020.152460] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 03/26/2020] [Accepted: 03/30/2020] [Indexed: 12/21/2022]
Abstract
Synthetic pyrethroids are used as insecticides in agriculture and a variety of household applications worldwide. Pyrethroids are widely distributed in all environmental compartments and the general populations are exposed to pyrethroids through various routes. Pyrethroids have been identified as endocrine-disrupting chemicals (EDCs) which are responsible for the male reproductive impairments. The data confirm pyrethroids cause male reproductive damages. The insecticides exert the toxic effects on male reproductive system through various complex mechanisms including antagonizing androgen receptor (AR), inhibiting steroid synthesis, affecting the hypothalamic-pituitary-gonadal (HPG) axis, acting as estrogen receptor (ER) modulators and inducing oxidative stress. The mechanisms of male reproductive toxicity of pyrethroids involve multiple targets and pathways. The review will provide further insight into pyrethroid-induced male reproductive toxicity and mechanisms, which is crucial to preserve male reproductive health.
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Affiliation(s)
- Qi Wang
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, 221004, Jiangsu, China
| | - Jun-Yu Shen
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, 221004, Jiangsu, China
| | - Rui Zhang
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, 221004, Jiangsu, China
| | - Jia-Wei Hong
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, 221004, Jiangsu, China
| | - Zheng Li
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, 221004, Jiangsu, China
| | - Zhen Ding
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, 221004, Jiangsu, China
| | - Heng-Xue Wang
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, 221004, Jiangsu, China
| | - Jin-Peng Zhang
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, 221004, Jiangsu, China
| | - Mei-Rong Zhang
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, 221004, Jiangsu, China
| | - Li-Chun Xu
- School of Public Health, Xuzhou Medical University, 209 Tong-Shan Road, Xuzhou, 221004, Jiangsu, China.
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21
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Zhang R, Tan Z, Zhao J, Wen Y, Fan S, Liu C. Determination of pyrethroid residues in herbal tea using temperature-controlled ionic liquid dispersive liquid-liquid microextraction by high performance liquid chromatography. Sci Rep 2020; 10:4709. [PMID: 32170197 PMCID: PMC7070011 DOI: 10.1038/s41598-020-61755-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 02/20/2020] [Indexed: 11/26/2022] Open
Abstract
A simple and effective method for determining five pyrethroid residues in herbal tea by ultrasound-enhanced temperature-controlled (UETC) ionic liquid dispersive liquid-liquid microextraction (IL-DLLME) coupled with high performance liquid chromatography-diode array detection (HPLC-DAD) was developed. The use of ultrasonication and heating improved the ability of the ionic liquid to extract the analytes. Various parameters that affect the extraction efficiency were investigated and optimized using single factor experiments and response surface design. The optimum conditions of the experiment were 121 µL of [HMIM][PF6] (extraction solvent), 794 µL of acetonitrile (dispersive solvent), a heating temperature of 40°C, a sonication time of 3.6 min and a pH of 2.9. Under optimized conditions, the linearity was in the range of 0.05–5 mg L−1 with correlation coefficients above 0.9993. The limits of detection and quantification were 1.25–1.35 µg L−1 and 5 µg L−1, respectively. The mean recoveries of the five pyrethroids ranged from 74.02% to 109.01%, with RSDs below 9.04%. The proposed method was reliable for the analysis of pyrethroids in Chinese herbal tea.
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Affiliation(s)
- Rui Zhang
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, 483 Wushan Road, Guangzhou, 510642, China
| | - Zhenchao Tan
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, 483 Wushan Road, Guangzhou, 510642, China
| | - Junlong Zhao
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, 483 Wushan Road, Guangzhou, 510642, China
| | - Yan Wen
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, 483 Wushan Road, Guangzhou, 510642, China
| | - Shuai Fan
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, 483 Wushan Road, Guangzhou, 510642, China
| | - Chenglan Liu
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, 483 Wushan Road, Guangzhou, 510642, China.
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22
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Onac C. Investigation of Electrical Conductivity Properties and Electro Transport of a Novel Multi Walled Carbon Nanotube Electro Membrane under Constant Current. ELECTROANAL 2020. [DOI: 10.1002/elan.201900755] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Canan Onac
- Pamukkale UniversityDepartment of ChemistryKınıklı Campus Denizli 20070 Denizli Turkey
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23
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Qin X, Luo X, Han J, Chen Y, Zhang K, Hu D. Residual determination of pyrethrins in Lycium barbarum (goji) by GC-MS/MS and a dietary risk assessment of Chinese goji consumption. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2020; 37:478-487. [DOI: 10.1080/19440049.2019.1707295] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Xinxian Qin
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, China
| | - Xiaoshuang Luo
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, China
| | - Jiahua Han
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, China
| | - Ye Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, China
| | - Kankan Zhang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, China
| | - Deyu Hu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, China
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Murcia-Morales M, Cutillas V, Fernández-Alba AR. Supercritical Fluid Chromatography and Gas Chromatography Coupled to Tandem Mass Spectrometry for the Analysis of Pyrethroids in Vegetable Matrices: A Comparative Study. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:12626-12632. [PMID: 31062971 DOI: 10.1021/acs.jafc.9b00732] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This study describes a comprehensive comparison between supercritical fluid chromatography (SFC) and gas chromatography (GC) coupled to mass spectrometry for the analysis of pyrethroids in vegetable matrices. The ionization process used was electrospray ionization (ESI) in SFC and electron ionization in GC. In general, liquid chromatography coupled to mass spectrometry with ESI sources provides poor results for pyrethroid detection, as described in previous literature. A total of 14 pyrethroids were selected, together with 6 representative matrices. The differences in chromatographic separation and ionization process were assessed. Similar results were obtained in terms of sensitivity (limits of quantification close to 2 μg/kg, injecting the same amount of sample), matrix effect, and linearity. A total of 17 real samples were analyzed by both systems, obtaining similar results. These data suggest that SFC offers a suitable alternative to GC in the analysis of pyrethroids and allows for their inclusion in a wider multiresidue method.
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Affiliation(s)
- María Murcia-Morales
- Agrifood Campus of International Excellence (ceiA3), European Union Reference Laboratory for Pesticide Residues in Fruit and Vegetables, Department of Hydrogeology and Analytical Chemistry , University of Almería , Carretera Sacramento s/n , La Cañada de San Urbano, 04120 Almería , Spain
| | - Víctor Cutillas
- Agrifood Campus of International Excellence (ceiA3), European Union Reference Laboratory for Pesticide Residues in Fruit and Vegetables, Department of Hydrogeology and Analytical Chemistry , University of Almería , Carretera Sacramento s/n , La Cañada de San Urbano, 04120 Almería , Spain
| | - Amadeo R Fernández-Alba
- Agrifood Campus of International Excellence (ceiA3), European Union Reference Laboratory for Pesticide Residues in Fruit and Vegetables, Department of Hydrogeology and Analytical Chemistry , University of Almería , Carretera Sacramento s/n , La Cañada de San Urbano, 04120 Almería , Spain
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Jiménez-Jiménez S, Casado N, García MÁ, Marina ML. Enantiomeric analysis of pyrethroids and organophosphorus insecticides. J Chromatogr A 2019; 1605:360345. [DOI: 10.1016/j.chroma.2019.06.066] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 06/27/2019] [Accepted: 06/30/2019] [Indexed: 12/30/2022]
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26
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ZHOU YF, WANG ZL, MENG Z, MEN XQ, LI JG, LIU WY. Determination of Pyrethroids and Phthalate Esters in Radix et Rhizoma Glycyrrhizae by Successive Ultrasonic-assisted Extraction and Dispersive Liquid-Liquid Microextraction Followed by Gas Chromatography-Mass Spectrometry. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2019. [DOI: 10.1016/s1872-2040(19)61184-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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27
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Song X, Zhang R, Xie T, Wang S, Cao J. Deep Eutectic Solvent Micro-Functionalized Graphene Assisted Dispersive Micro Solid-Phase Extraction of Pyrethroid Insecticides in Natural Products. Front Chem 2019; 7:594. [PMID: 31508413 PMCID: PMC6716533 DOI: 10.3389/fchem.2019.00594] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 08/09/2019] [Indexed: 11/13/2022] Open
Abstract
Deep eutectic solvent micro-functionalized graphene (DES-G) was synthesized and first applied as the adsorbent of dispersive micro solid-phase extraction (DMSPE) to extract five pyrethroid insecticides. In DMSPE, the target analytes were absorbed by DES-G and then desorbed by trace eluent, next, the treated samples were quantified via ultra-high performance liquid chromatography equipped with diode-array detection. A scanning electron microscope, transmission electron microscopy and Fourier transform infrared spectrometer were used to characterize the prepared DES-G. Furthermore, this method was verified under the selected conditions with the precision for retention times ranging from 0.43 to 0.57%, and repeatability ranged from 0.04 to 2.41% for peak areas. The developed method was successfully applied to determine pyrethroid insecticides residues in beebread, Curcuma wenyujin and Dendrobium officinale with the recoveries in the range of 80.9–114.1%.
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Affiliation(s)
- Xiaoyu Song
- Medical College, Hangzhou Normal University, Hangzhou, China
| | - Rui Zhang
- Medical College, Hangzhou Normal University, Hangzhou, China
| | - Tian Xie
- Medical College, Hangzhou Normal University, Hangzhou, China
| | - Shuling Wang
- Medical College, Hangzhou Normal University, Hangzhou, China
| | - Jun Cao
- Medical College, Hangzhou Normal University, Hangzhou, China.,College of Material Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou, China
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Quindroit P, Beaudouin R, Brochot C. Estimating the cumulative human exposures to pyrethroids by combined multi-route PBPK models: Application to the French population. Toxicol Lett 2019; 312:125-138. [PMID: 31077771 DOI: 10.1016/j.toxlet.2019.05.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 04/26/2019] [Accepted: 05/07/2019] [Indexed: 01/16/2023]
Abstract
Human biomarkers of exposure to pyrethroid insecticides are usually urinary concentrations of metabolites that can be specific to a pyrethroid or common to several compounds. We developed a global toxicokinetic model that links the external exposure to four widely-used pyrethroids and their isomers (deltamethrin and cis and trans isomers of permethrin, cypermethrin, and cyfluthrin) to the urinary concentrations of metabolites (cis- and trans-DCCA, 3-PBA, F-PBA and DBCA). This global model includes physiologically based pharmacokinetic models for each parent compound and one-compartment models for the metabolites. Existing in vivo, in vitro and in silico data were used for model calibration, and human toxicokinetic data for model evaluation. Overall, the global model reproduced the data accurately as about 90% of predictions were inside the 3-fold error interval. A sensitivity analysis showed that the most influent parameter for each urinary metabolite concentration was the fraction of parent compound that is transformed into that metabolite. The global model was then tested with realistic exposures for the French population: the predictions were consistent with biomonitoring data. The global model is a tool that will improve the interpretation of biomonitoring data for pyrethroids.
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Affiliation(s)
- Paul Quindroit
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Modèles pour l'Ecotoxicologie et la Toxicologie (METO), Parc ALATA BP2, 60550, Verneuil en Halatte, France
| | - Rémy Beaudouin
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Modèles pour l'Ecotoxicologie et la Toxicologie (METO), Parc ALATA BP2, 60550, Verneuil en Halatte, France
| | - Céline Brochot
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Modèles pour l'Ecotoxicologie et la Toxicologie (METO), Parc ALATA BP2, 60550, Verneuil en Halatte, France.
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29
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Rösch A, Beck B, Hollender J, Singer H. Picogram per liter quantification of pyrethroid and organophosphate insecticides in surface waters: a result of large enrichment with liquid–liquid extraction and gas chromatography coupled to mass spectrometry using atmospheric pressure chemical ionization. Anal Bioanal Chem 2019; 411:3151-3164. [DOI: 10.1007/s00216-019-01787-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 03/07/2019] [Accepted: 03/15/2019] [Indexed: 11/24/2022]
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30
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Garcia-Alonso S, Perez-Pastor RM. Organic Analysis of Environmental Samples Using Liquid Chromatography with Diode Array and Fluorescence Detectors: An Overview. Crit Rev Anal Chem 2019; 50:29-49. [PMID: 30925844 DOI: 10.1080/10408347.2019.1570461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This overview is focused to provide an useful guide of the families of organic pollutants that can be determined by liquid chromatography operating in reverse phase and ultraviolet/fluorescence detection. Eight families have been classified as the main groups to be considered: carbonyls, carboxyls, aromatics, phenols, phthalates, isocyanates, pesticides and emerging. The references have been selected based on analytical methods used in the environmental field, including both the well-established procedures and those more recently developed.
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Miah MA, Elzaki MEA, Husna A, Han Z. An overexpressed cytochrome P450 CYP439A1v3 confers deltamethrin resistance in Laodelphax striatellus Fallén (Hemiptera: Delphacidae). ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2019; 100:e21525. [PMID: 30511429 DOI: 10.1002/arch.21525] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Deltamethrin resistance in Laodelphax striatellus had been associated with its oxidative detoxification by overexpression of four cytochrome P450 monooxygenases like CYP353D1v2, CYP6FU1, CYP6AY3v2, and CYP439A1v3. The first three P450s have been validated for insecticide-metabolizing capability and only CYP6FU1 was found to degrade deltamethrin. In this study, an investigation was conducted to confirm the capability of CYP439A1v3 to degrade deltamethrin. The CYP439A1v3 was first expressed in Sf9 cell line and its recombinant enzyme was tested for metabolic activity against different insecticides using substrate depletion assay combined with metabolite identification. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and carbon monoxide (CO)-difference spectra analysis showed that the intact cytochrome P450 protein was successfully expressed. Tests with probe substrates proved its enzyme activity, as p-nitroanisole, ethoxycoumarin, and ethoxyresorufin were preferentially metabolized (specific activity 7.767 ± 1.22, 1.325 ± 0.37, and 0.355 ± 0.37 nmol/min per mg of protein, respectively) while only luciferin-HEGE was not. In vitro incubation of the recombinant CYP439A1v3 protein with deltamethrin revealed hydroxylation by producing hydroxydeltamethrin. On the contrary, no metabolite/metabolism was seen with nonpyrethroid insecticide, including imidacloprid, buprofezin, chlorpyrifos, and fipronil. To the best of our knowledge, this is the first study to link a CYP450 from family 439 to confer pyrethroid resistance to L. striatellus. This finding should help in the design of appropriate insecticide resistance management for control of this strain of L. striatellus.
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Affiliation(s)
- Mohammad Asaduzzaman Miah
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, The Key Laboratory of Monitoring and Management of Plant Diseases and Insects, Ministry of Agriculture, Nanjing, Jiangsu, China
- Faculty of Agriculture, Patuakhali Science and Technology University, Bangladesh
- Department of Biology, School of Distance Education, Universiti Sains Malaysia, Penang, Malaysia
| | - Mohammed Esmail Abdalla Elzaki
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, The Key Laboratory of Monitoring and Management of Plant Diseases and Insects, Ministry of Agriculture, Nanjing, Jiangsu, China
| | - Asmaul Husna
- Faculty of Agriculture, Patuakhali Science and Technology University, Bangladesh
- Department of Biology, School of Distance Education, Universiti Sains Malaysia, Penang, Malaysia
| | - Zhaojun Han
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, The Key Laboratory of Monitoring and Management of Plant Diseases and Insects, Ministry of Agriculture, Nanjing, Jiangsu, China
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32
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Feng T, Ye X, Zhao Y, Zhao Z, Hou S, Liang N, Zhao L. Magnetic silica aerogels with high efficiency for selective adsorption of pyrethroid insecticides in juices and tea beverages. NEW J CHEM 2019. [DOI: 10.1039/c8nj05962d] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new magnetic adsorbent silica aerogel was synthesized for concentration of organic compounds and to determine trace insecticides.
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Affiliation(s)
- Tiantian Feng
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
| | - Xiu Ye
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
| | - Yongna Zhao
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
| | - Zexin Zhao
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
| | - Shanshan Hou
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
| | - Ning Liang
- School of Pharmaceutical Engineering
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
| | - Longshan Zhao
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
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33
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Guida YDS, Meire RO, Torres JPM, Malm O. Air contamination by legacy and current-use pesticides in Brazilian mountains: An overview of national regulations by monitoring pollutant presence in pristine areas. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 242:19-30. [PMID: 29957542 DOI: 10.1016/j.envpol.2018.06.061] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 05/26/2018] [Accepted: 06/20/2018] [Indexed: 06/08/2023]
Abstract
In the last decades, research regarding the dynamics of pesticides has grown, even in remote regions. Due to long-range atmospheric transport, environmental persistence and toxicological potential of organochlorine pesticides (OCPs), similar characteristics of current-use pesticides (CUPs) and their massive use in Brazil, these contaminants have become a major concern for environmental and human life. Thus, this study aimed to evaluate subgroups or individual chemicals of OCPs and CUPs, which could have travelled over two Conservation Unit sites in the Rio de Janeiro state. The study was carried out for 24 months, (2013-2015), in Itatiaia National Park (INP) and in the Serra dos Órgãos National Park (SONP), at ∼2400 and ∼2200 meters above sea level, respectively. The study was based on atmospheric passive sampling (polyurethane foam disks). Target pesticides were detected by means of gas chromatography device coupled with mass spectrometry (GC-MS). Significantly higher concentrations were measured in SONP when compared to INP. However, in broad terms, the contamination profile was quite similar for both national parks: The highest concentrations of endosulfan (INP - 1275 pg m-3 and SONP - 3202 pg m-3) were followed by cypermethrin (INP - 148 pg m-3 and SONP - 881 pg m-3) and chlorpyrifos (INP - 67 pg m-3 and SONP - 270 pg m-3). In agreement with previous studies, the atmospheric concentrations of legacy OCPs showed background air levels. The decrease of endosulfan over the years was highlighted with a parallel increase of chlorpyrifos, suggesting a collateral effect of the national bias of permissive and massive use of agrochemicals. CUPs seemed to behave like pseudo-persistent pollutants (pseudo-POPs). This is the first report of atmospheric concentrations of pyrethroids in Brazilian mountain regions, and possibly the first to investigate them in the air in South America or in any mountain region in the world.
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Affiliation(s)
- Yago de Souza Guida
- Laboratório de Radioisótopos Eduardo Penna Franca, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Avenida Carlos Chagas Filho, 373, Bloco G, Sl. 061, CEP: 21941-902, Rio de Janeiro, Brazil.
| | - Rodrigo Ornellas Meire
- Laboratório de Radioisótopos Eduardo Penna Franca, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Avenida Carlos Chagas Filho, 373, Bloco G, Sl. 061, CEP: 21941-902, Rio de Janeiro, Brazil
| | - João Paulo Machado Torres
- Laboratório de Radioisótopos Eduardo Penna Franca, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Avenida Carlos Chagas Filho, 373, Bloco G, Sl. 061, CEP: 21941-902, Rio de Janeiro, Brazil
| | - Olaf Malm
- Laboratório de Radioisótopos Eduardo Penna Franca, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Avenida Carlos Chagas Filho, 373, Bloco G, Sl. 061, CEP: 21941-902, Rio de Janeiro, Brazil
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Possetto D, Natera J, Sancho MI, García NA, Massad WA. Bioallethrin degradation by photo-Fenton process in acetonitrile/water and aqueous β-cyclodextrin solutions. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.07.036] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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35
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Wang J, Lin K, Taylor A, Gan J. In vitro assessment of pyrethroid bioaccessibility via particle ingestion. ENVIRONMENT INTERNATIONAL 2018; 119:125-132. [PMID: 29957354 DOI: 10.1016/j.envint.2018.05.043] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 05/25/2018] [Accepted: 05/25/2018] [Indexed: 06/08/2023]
Abstract
Due to their intensive use in agricultural and residential pest control, human exposure to residues of multiple pyrethroids frequently occurs. Pyrethroids have exceptionally high affinity for solid particles, highlighting the need to understand human exposure through oral ingestion of contaminated soil or dust particles. In this study, we used artificial gastrointestinal fluids to measure the desorption or bioaccessibility of eight current-use pyrethroids in soil and dust samples. Tenax was further included as a sink in parallel treatments to simulate the effect of removal due to transfer of pyrethroids to lipid membranes. The use of 0.4 g of Tenax in 20 mL digestive fluids resulted in rapid and efficient trapping of pyrethroids, and further, greatly increased bioaccessibility. In the artificial digestive fluids without Tenax, 6.0-48.0% of pyrethroids were desorbed over 21 h, and the fractions increased by 1.6-4.1 folds to 21.5-79.3% with the Tenax sink. Therefore, 6.0-79.3% of soil or dust-borne pyrethroids may be considered bioavailable upon ingestion. While protein and sucrose increased the estimated bioaccessibility, co-presence of lipid (vegetable oil) decreased the bioaccessibility of pyrethroids, likely due to competitive phase partition. Pyrethroids were also found to be unstable in the artificial intestinal fluid containing pancreatin, further decreasing the potential bioaccessibility of pyrethroids on soil or dust particles. The limited bioaccessibility should be considered to refine the prediction of human exposure and risk through oral ingestion of pyrethroid residues.
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Affiliation(s)
- Jie Wang
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA
| | - Kunde Lin
- State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Center for Marine Environmental Chemistry and Toxicology, College of the Environment and Ecology, Xiamen University, 361102 Xiamen, China
| | - Allison Taylor
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA
| | - Jay Gan
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA.
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36
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Kwan MW, Weisenseel JP, Giel N, Bosak A, Batich CD, Willenberg BJ. Detection and quantification of trace airborne transfluthrin concentrations via air sampling and thermal desorption gas chromatography-mass spectrometry. J Chromatogr A 2018; 1573:156-160. [DOI: 10.1016/j.chroma.2018.08.066] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 08/29/2018] [Accepted: 08/31/2018] [Indexed: 12/01/2022]
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37
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Zhou YJ, Wang XD, Xiao S, Yu DE, Wang LQ, Wang JH, Zhu HQ. Exposure to beta-cypermethrin impairs the reproductive function of female mice. Regul Toxicol Pharmacol 2018; 95:385-394. [DOI: 10.1016/j.yrtph.2018.04.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 03/21/2018] [Accepted: 04/16/2018] [Indexed: 11/29/2022]
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38
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Pastor-Belda M, Navarro-Jiménez T, Garrido I, Viñas P, Campillo N, Fenoll J, Hernández-Córdoba M. Magnetic solid-phase extraction or dispersive liquid-liquid microextraction for pyrethroid determination in environmental samples. J Sep Sci 2018; 41:2565-2575. [DOI: 10.1002/jssc.201800109] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 03/20/2018] [Accepted: 03/21/2018] [Indexed: 01/06/2023]
Affiliation(s)
- Marta Pastor-Belda
- Faculty of Chemistry, Department of Analytical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum”; University of Murcia; Murcia Spain
| | - Tania Navarro-Jiménez
- Faculty of Chemistry, Department of Analytical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum”; University of Murcia; Murcia Spain
| | - Isabel Garrido
- Equipo de Calidad Alimentaria; Instituto Murciano de Investigación y Desarrollo Agrario y Alimentario (IMIDA); Murcia Spain
| | - Pilar Viñas
- Faculty of Chemistry, Department of Analytical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum”; University of Murcia; Murcia Spain
| | - Natalia Campillo
- Faculty of Chemistry, Department of Analytical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum”; University of Murcia; Murcia Spain
| | - José Fenoll
- Equipo de Calidad Alimentaria; Instituto Murciano de Investigación y Desarrollo Agrario y Alimentario (IMIDA); Murcia Spain
| | - Manuel Hernández-Córdoba
- Faculty of Chemistry, Department of Analytical Chemistry, Regional Campus of International Excellence “Campus Mare Nostrum”; University of Murcia; Murcia Spain
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Tian J, Long X, Zhang S, Qin Q, Gan L, Tian Y. Screening cyhalothrin degradation strains from locust epiphytic bacteria and studying Paracoccus acridae SCU-M53 cyhalothrin degradation process. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:11505-11515. [PMID: 29427271 DOI: 10.1007/s11356-018-1410-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 01/26/2018] [Indexed: 06/08/2023]
Abstract
All locust epiphytic bacteria were screened and a total of 62 epiphytic bacteria were obtained from samples of Acrida cinerea. Via phylogenetic analysis, the 62 epiphytic bacteria were allocated to 27 genera, 18 families, 13 orders, six classes, and four phylums. Then, cyhalothrin degradation experiments were conducted, and the 10 strains that degraded more than 30% cyhalothrin and Paracoccus acridae SCU-M53 showed the highest cyhalothrin degradation rate of 70.5%. Furthermore, Paracoccus acridae SCU-M53 was selected for optimal cyhalothrin biodegradation conditions via the response surface method (Design-Expert). Under the optimum conditions (28 °C, 75 mg/L, and 180 rpm), the cyhalothrin degradation rate reached 79.84% after 2 days. This suggests the possibility that isolating biodegradation cyhalothrin strains from Acrida cinerea is feasible.
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Affiliation(s)
- Jiewei Tian
- Key Laboratory of Leather Chemistry and Engineering(Sichuan University), Ministry of Education and College of Light Industry, Textile & Food Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Xiufeng Long
- Key Laboratory of Leather Chemistry and Engineering(Sichuan University), Ministry of Education and College of Light Industry, Textile & Food Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Shuai Zhang
- Key Laboratory of Leather Chemistry and Engineering(Sichuan University), Ministry of Education and College of Light Industry, Textile & Food Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Qiumian Qin
- Key Laboratory of Leather Chemistry and Engineering(Sichuan University), Ministry of Education and College of Light Industry, Textile & Food Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Longzhan Gan
- Key Laboratory of Leather Chemistry and Engineering(Sichuan University), Ministry of Education and College of Light Industry, Textile & Food Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Yongqiang Tian
- Key Laboratory of Leather Chemistry and Engineering(Sichuan University), Ministry of Education and College of Light Industry, Textile & Food Engineering, Sichuan University, Chengdu, 610065, People's Republic of China.
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40
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Magnetic solid-phase extraction using MIL-101(Cr)-based composite combined with dispersive liquid-liquid microextraction based on solidification of a floating organic droplet for the determination of pyrethroids in environmental water and tea samples. Microchem J 2018. [DOI: 10.1016/j.microc.2017.12.009] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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41
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Tuck S, Furey A, Crooks S, Danaher M. A review of methodology for the analysis of pyrethrin and pyrethroid residues in food of animal origin. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2018; 35:911-940. [DOI: 10.1080/19440049.2017.1420919] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Sarah Tuck
- Food Safety Department, Teagasc Food Research Centre, Ashtown, Dublin 15, Ireland
- Mass Spectrometry Research Group, Department of Physical Sciences, Cork Institute of Technology, Bishopstown, Cork, Ireland
| | - Ambrose Furey
- Mass Spectrometry Research Group, Department of Physical Sciences, Cork Institute of Technology, Bishopstown, Cork, Ireland
| | - Steven Crooks
- Chemical Surveillance Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast, UK
| | - Martin Danaher
- Food Safety Department, Teagasc Food Research Centre, Ashtown, Dublin 15, Ireland
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42
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Torbati M, Farajzadeh MA, Torbati M, Nabil AAA, Mohebbi A, Afshar Mogaddam MR. Development of salt and pH–induced solidified floating organic droplets homogeneous liquid–liquid microextraction for extraction of ten pyrethroid insecticides in fresh fruits and fruit juices followed by gas chromatography-mass spectrometry. Talanta 2018; 176:565-572. [DOI: 10.1016/j.talanta.2017.08.074] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 08/23/2017] [Accepted: 08/23/2017] [Indexed: 10/19/2022]
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43
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Feng X, Pan L, Wang C, Zhang H. Residue analysis and risk assessment of pyrethrins in open field and greenhouse turnips. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:877-886. [PMID: 29067611 DOI: 10.1007/s11356-017-0015-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 08/22/2017] [Indexed: 06/07/2023]
Abstract
A sensitive and selective method was developed and validated for the determination of pyrethrin residues in turnips (turnip leaves, turnip tubers, and the whole of plant) and cultivated soil using gas chromatography coupled with mass spectrometry (GC-MS). Six major components of pyrethrins (pyrethrin I and II, cinerin I and II, and jasmolin I and II) were separated and identified. The method involving solid-phase extraction (SPE) cleanup led to satisfactory average recoveries (88.1-104%) with limits of quantification (LOQs) of 0.05 mg/kg. The dissipation and final residue of pyrethrins in six provinces (among these places, two experiments were conducted in greenhouse and other four experiments in open filed) in China were studied. The trial results suggested that the half-lives of pyrethrins in the whole of turnips and soil were 0.5-1.6 and 1.0-1.3 days, respectively, and the degradation of pyrethrins in the greenhouse was quicker than that in open fields. The final residues of pyrethrins in turnip leaves and tubers were all below the maximum residue limit (MRL) established by the EU (1.0 mg/kg). A pre-harvest interval of 2 days and MRL of 1.0 mg/kg are recommended to ensure food safety standards for pyrethrins in turnips. Long-term risk assessment and short-term risk assessment of turnip tubers were evaluated. Hazard quotient (HQ) and acute hazard index (aHI) were significantly less than 100%, indicating negligible risk for consumption of turnip tubers.
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Affiliation(s)
- Xiaoxiao Feng
- College of Science, China Agricultural University, Beijing, 100193, People's Republic of China
| | - Lixiang Pan
- College of Science, China Agricultural University, Beijing, 100193, People's Republic of China
| | - Chen Wang
- Tea Research Institute, Chinese Academy of Agriculture Sciences, Hangzhou, 310008, People's Republic of China
- Laboratory of Quality and Safety Risk Assessment for Tea Product, Ministry of Agriculture, Hangzhou, 310008, People's Republic of China
| | - Hongyan Zhang
- College of Science, China Agricultural University, Beijing, 100193, People's Republic of China.
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44
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Xiao X, Sun Q, Kim Y, Yang SH, Qi W, Kim D, Yoon KS, Clark JM, Park Y. Exposure to permethrin promotes high fat diet-induced weight gain and insulin resistance in male C57BL/6J mice. Food Chem Toxicol 2017; 111:405-416. [PMID: 29175578 DOI: 10.1016/j.fct.2017.11.047] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 11/20/2017] [Accepted: 11/22/2017] [Indexed: 12/19/2022]
Abstract
Permethrin is a pyrethroid pesticide that was previously reported to promote fat accumulation and insulin resistance in vitro. A recent study in female mice also found that permethrin could promote high fat-induced insulin resistance. The effects of permethrin on glucose and lipid metabolisms in male mice, however, remain unknown. The purpose of this study was to investigate the effects and interactions of permethrin exposure (50, 500, and 5000 μg/kg body weight/day) and dietary fat (low fat, 4% w/w; high fat, 20% w/w) on development of obesity and insulin resistance in male C57BL/6J mice. Our results showed that permethrin treatment significantly increased body weight, fat mass, and insulin resistance with high fat diet, but not with low fat diet, without influencing energy intake. Permethrin treatment also significantly increased serum levels of insulin, glucose, leptin, triglycerides and cholesterol. Further results showed that permethrin inhibited AMP-activated protein kinase in white adipose tissue. These results suggest that permethrin interacts with dietary fat to alter lipid and glucose metabolisms in male C57BL/6J mice.
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Affiliation(s)
- Xiao Xiao
- Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Quancai Sun
- Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Yoo Kim
- Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Szu-Hao Yang
- Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Weipeng Qi
- Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Daeyoung Kim
- Department of Mathematics and Statistics, University of Massachusetts, Amherst, MA 01003, USA
| | - Kyong Sup Yoon
- Department of Biological Sciences and Environmental Sciences Program, Southern Illinois University, Edwardsville, IL 62026, USA
| | - John M Clark
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA 01003, USA
| | - Yeonhwa Park
- Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA.
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45
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Riaz G, Tabinda AB, Iqbal S, Yasar A, Abbas M, Khan AM, Mahfooz Y, Baqar M. Phytoremediation of organochlorine and pyrethroid pesticides by aquatic macrophytes and algae in freshwater systems. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2017; 19:894-898. [PMID: 28448165 DOI: 10.1080/15226514.2017.1303808] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Extensive use of Pesticides in agriculture and its surface runoff in river water is a major environmental concern. The present study evaluated the phytoremediation potential of Eichornia crassipes, Pistia strateotes and algae (Chaetomorpha sutoria, Sirogonium sticticum and Zygnema sp.) for organochlorine and pyrethroid pesticides. Water and plant samples were extracted by liquid phase and solid phase extraction respectively and analyzed by high-performance liquid chromatography. Eleven treatments (T1-T11) with and without plants were used for phytoremediation of organochlorine and pyrethroid pesticides. During the experiment, P. strateotes, E. crassipes and algae (C. sutoria, S. sticticum and Zygnema sp.) showed the highest removal efficiency with 62 (71% root, 29% shoot), 60 (67% root, 33% shoot), and 58% respectively for organochlorine and 76 (76% root, 24% shoot), 68 (69% root, 31% shoot), and 70% respectively for pyrethroids for the respective aquatic plants. Dissipation rate constant of treatments with plants (T2, T3, T5, T6, T8, and T9) was significantly higher (p < 0.05) as compared to that of treatments without plants (T10 and T11, control) for both organochlorine and pyrethroid. The bioconcentration factor of pyrethroid treatments (T3, T6, and T9) was significantly higher (p < 0.05) as compared to that of organochlorine treatments (T2, T5 and T8). The removal efficiency of E. crassipes, P. strateotes and algae (C. sutoria, S. sticticum and Zygnema sp.) for pyrethroids was significantly higher (p < 0.01) as compared to that of organochlorine.
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Affiliation(s)
- Ghazala Riaz
- a Sustainable Development Study Centre, GC University Lahore , Lahore , Pakistan
| | - Amtul Bari Tabinda
- a Sustainable Development Study Centre, GC University Lahore , Lahore , Pakistan
| | - Shakir Iqbal
- b Department of Psychology , International Islamic University Islamabad , Islamabad , Pakistan
| | - Abdullah Yasar
- a Sustainable Development Study Centre, GC University Lahore , Lahore , Pakistan
| | - Mateen Abbas
- c WTO Quality Operation Laboratory , University of Veterinary and Animal Sciences Lahore , Lahore , Pakistan
| | - Abdul Muqeet Khan
- c WTO Quality Operation Laboratory , University of Veterinary and Animal Sciences Lahore , Lahore , Pakistan
| | - Yusra Mahfooz
- a Sustainable Development Study Centre, GC University Lahore , Lahore , Pakistan
| | - Mujtaba Baqar
- a Sustainable Development Study Centre, GC University Lahore , Lahore , Pakistan
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46
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Corcellas C, Andreu A, Máñez M, Sergio F, Hiraldo F, Eljarrat E, Barceló D. Pyrethroid insecticides in wild bird eggs from a World Heritage Listed Park: A case study in Doñana National Park (Spain). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 228:321-330. [PMID: 28551562 DOI: 10.1016/j.envpol.2017.05.035] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 04/20/2017] [Accepted: 05/14/2017] [Indexed: 06/07/2023]
Abstract
Recent studies demonstrated that the common pyrethroid insecticides are present in aquatic biota tissues. In this study, 123 samples of unhatched eggs of 16 wild bird species collected from 2010 to 2012 in Doñana National and Natural Park were analysed to determine 13 pyrethroids. This study represents the first time that pyrethroids are detected in tissues of terrestrial biota, 93% of these samples being positive to those pollutants. Levels of total pyrethroids ranged from not detected to 324 ng g-1 lw. The samples were characterized by stable isotope analysis. Species with diets based on anthropogenic food showed higher levels of pyrethroids and lower values of δ15N. Finally, we characterized the isomers of pyrethroids and discerned some isomeric- and enantiomeric-specific accumulations. In particular, tetramethrin and cyhalothrin showed an enantiomeric-selective accumulation of one enantiomer, highlighting the need to assess toxicological effects of each enantiomer separately to be able to make a correct risk assessment of pyrethroids in birds.
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Affiliation(s)
- Cayo Corcellas
- Water and Soil Quality Research Group, Dep. of Environmental Chemistry (IDAEA-CSIC), Barcelona, Spain
| | - Ana Andreu
- Natural Processes Monitoring Team, Estación Biológica de Doñana (EBD-CSIC), c/Américo Vespucio s/n, 41092 Seville, Spain
| | - Manuel Máñez
- Natural Processes Monitoring Team, Estación Biológica de Doñana (EBD-CSIC), c/Américo Vespucio s/n, 41092 Seville, Spain
| | - Fabrizio Sergio
- Department of Applied Biology, Doñana Biological Station (EBD-CSIC), Seville, Spain
| | - Fernando Hiraldo
- Department of Applied Biology, Doñana Biological Station (EBD-CSIC), Seville, Spain
| | - Ethel Eljarrat
- Water and Soil Quality Research Group, Dep. of Environmental Chemistry (IDAEA-CSIC), Barcelona, Spain.
| | - Damià Barceló
- Water and Soil Quality Research Group, Dep. of Environmental Chemistry (IDAEA-CSIC), Barcelona, Spain; Catalan Institute for Water Research (ICRA), Girona, Spain
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47
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Marettova E, Maretta M, Legáth J. Effect of pyrethroids on female genital system. Review. Anim Reprod Sci 2017; 184:132-138. [PMID: 28735887 DOI: 10.1016/j.anireprosci.2017.07.007] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 07/08/2017] [Accepted: 07/11/2017] [Indexed: 12/31/2022]
Abstract
Pyrethroids have been associated with a range of toxicological effects on various organs in animals.Recent animal studies suggest that neurodevelopmental, reproductive, and immunological effects may result following exposure to some pyrethroids at levels below those that induce overt signs of neurotoxicity. A variety of pyrethroids and their metabolites have the potential to affect the reproductive system. Dose-dependent effects on reproduction are associated with exposure across pyrethroid types. In mammals, permethrin and tetramethrin and cypermethrin have been found to be associated with adverse effects at high doses. Fenvalerate, deltamethrin, cypermethrin, caused morphometric and structural changes in the female genital organs. These pyrethroids affect ovulation, cause atresia of follicles, decrease the number of follicular cells, oocytes and corpora lutea and induce vesicular atrophy of the endometrial glands. The potential hormonal activity of pyrethroids showed that certain pyrethroids and their metabolites have multiple effects on the endocrine system. The level of steroid hormones, such as progesterone and estradiol, was inhibited. The pyrethorids may have the potential to mimic estrogens or to inhibit estrogen action. Some metabolites of pyrethroids, in particular permethrin and cypermethrin, are more likely to interact with the cellular estrogen receptors than the parent pyrethroids. Though several pyrethroids posses low toxicity, some pyrethroids, such as deltamethrin, cypermethrin, fenvalerate and bifenthrin have showed considerable toxicity.
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Affiliation(s)
- Elena Marettova
- Department of Anatomy, Histology and Physiology, University of Veterinary Medicine and Pharmacy, Komenského 73, 041 81 Košice, Slovak Republic.
| | - Milan Maretta
- Department of Anatomy, Histology and Physiology, University of Veterinary Medicine and Pharmacy, Komenského 73, 041 81 Košice, Slovak Republic
| | - Jaroslav Legáth
- Department of Toxicology and Pharmacy, University of Veterinary Medicine and Pharmacy, Komenského 73, 041 81 Košice, Slovak Republic
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48
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Geng P, Fang Y, Xie R, Hu W, Xi X, Chu Q, Dong G, Shaheen N, Wei Y. Separation of phenolic acids from sugarcane rind by online solid‐phase extraction with high‐speed counter‐current chromatography. J Sep Sci 2017; 40:991-998. [DOI: 10.1002/jssc.201600887] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 11/02/2016] [Accepted: 11/23/2016] [Indexed: 01/18/2023]
Affiliation(s)
- Ping Geng
- State Key Laboratory of Chemical Resource Engineering Beijing University Of Chemical Technology Beijing P. R. China
| | - Yingtong Fang
- State Key Laboratory of Chemical Resource Engineering Beijing University Of Chemical Technology Beijing P. R. China
| | - Ronglong Xie
- State Key Laboratory of Chemical Resource Engineering Beijing University Of Chemical Technology Beijing P. R. China
| | - Weilun Hu
- State Key Laboratory of Chemical Resource Engineering Beijing University Of Chemical Technology Beijing P. R. China
| | - Xingjun Xi
- China National Institute of Standardization Beijing P. R. China
| | - Qiao Chu
- China National Institute of Standardization Beijing P. R. China
| | - Genlai Dong
- China National Institute of Standardization Beijing P. R. China
| | - Nusrat Shaheen
- State Key Laboratory of Chemical Resource Engineering Beijing University Of Chemical Technology Beijing P. R. China
| | - Yun Wei
- State Key Laboratory of Chemical Resource Engineering Beijing University Of Chemical Technology Beijing P. R. China
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49
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He Y, Xu J, Guo C, Lv J, Zhang Y, Meng W. Bioassay-directed identification of toxicants in sediments of Liaohe River, northeast China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 219:663-671. [PMID: 27376991 DOI: 10.1016/j.envpol.2016.06.052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 05/31/2016] [Accepted: 06/22/2016] [Indexed: 06/06/2023]
Abstract
Contaminants accumulated in sediments may directly harm benthic organisms, however, the specific contaminants responsible for adverse effects have been poorly described. In this study, a bioassay-directed analysis combined with toxicity tests and chemistry analysis was conducted to determine the compounds eliciting the greatest toxicological effect in the sediments in Liaohe River, northeast China. A total of 24 sediment samples were examined to determine their acute toxicity to midge Chironomus tentans (C. tentans). Of these samples, 15 exhibited significant toxicity, with a mortality of 23%-93% (p < 0.05). Numerous contaminants, including 16 polycyclic aromatic hydrocarbons, 32 polychlorinated biphenyls, 20 organochlorine pesticides, 6 organophosphate pesticides, 8 pyrethroids, and 5 heavy metals were analyzed. On the basis of toxic unit (TU) analysis results, pyrethroids may contribute to the toxicity of 9 of the 15 toxic samples with concentrations of >1 TU. The significant correlation between the TUs of pyrethroids and the mortality of C. tentans (r2 = 0.74, p < 0.01) confirmed the major role of pyrethroids in toxicity. The selected sediment samples responding to piperonyl butoxide and low temperature with the increased toxicity exhibited the characteristics of pyrethroids. The bioassay-based screening framework provided strong evidence that pyrethroids were the primary cause of sediment toxicity in Liaohe River. Further studies should therefore be conducted to regulate this important class of pollutants.
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Affiliation(s)
- Yan He
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; College of Water Sciences, Beijing Normal University, Beijing 100012, China
| | - Jian Xu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Changsheng Guo
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Jiapei Lv
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Yuan Zhang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Wei Meng
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; College of Water Sciences, Beijing Normal University, Beijing 100012, China
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50
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Zhu X, Jia C, Zheng Z, Feng X, He Y, Zhao E. Solid-phase extraction combined with dispersive liquid-liquid microextraction for the determination of pyrethroid pesticides in wheat and maize samples. J Sep Sci 2016; 39:4621-4628. [DOI: 10.1002/jssc.201600840] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 09/05/2016] [Accepted: 10/04/2016] [Indexed: 01/08/2023]
Affiliation(s)
- Xiaodan Zhu
- Institute of Plant and Environment Protection; Beijing Academy of Agriculture and Forestry Science; Beijing China
| | - Chunhong Jia
- Institute of Plant and Environment Protection; Beijing Academy of Agriculture and Forestry Science; Beijing China
- Beijing Research Center for Agricultural Standards and Testing; Beijing China
| | - Zuntao Zheng
- Institute for the Control of Agrochemicals; Ministry of Agriculture; Beijing China
| | - Xiaoyuan Feng
- Beijing Research Center for Agricultural Standards and Testing; Beijing China
| | - Yue He
- Institute of Plant and Environment Protection; Beijing Academy of Agriculture and Forestry Science; Beijing China
| | - Ercheng Zhao
- Institute of Plant and Environment Protection; Beijing Academy of Agriculture and Forestry Science; Beijing China
- Beijing Research Center for Agricultural Standards and Testing; Beijing China
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