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Yang Y, Su L, Huang Y, Zhang X, Li C, Wang J, Fan L, Wang S, Zhao YH. Bio-uptake, tissue distribution and metabolism of a neonicotinoid insecticide clothianidin in zebrafish. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 292:118317. [PMID: 34634407 DOI: 10.1016/j.envpol.2021.118317] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 06/13/2023]
Abstract
Neonicotinoids have been often detected in aquatic environment with high concentrations; however, little is known about their risk and fate to/in fish. This study systematically investigated the bio-uptake, tissue distribution and metabolism of neonicotinoids in zebrafish, taking clothianidin (CLO) as an example. The results revealed the uptake and elimination kinetics of CLO in whole fish and different tissues was very similar, and its bioconcentration factor (<1) indicates the low bioaccumulation potential in zebrafish. The highest accumulative tissues for CLO were found to be intestine and liver. Eight biotransformation products were identified in intestine and liver, and the metabolic pathways were found to be N-demethylation and nitro-reduction. The metabolic kinetics of two products (desmethyl clothianidin and clothianidin urea) revealed the metabolism of CLO mainly occurred in liver and intestine. This suggested that the hepatobiliary system played an important role in the metabolism and elimination of CLO. This study provides a comprehensive evaluation of the toxicokinetics of CLO in zebrafish, and these results can contribute to its ecological risk assessment.
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Affiliation(s)
- Yi Yang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Limin Su
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Ying Huang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Xiao Zhang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Chao Li
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China.
| | - Jia Wang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Lingyun Fan
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Shuo Wang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Yuan H Zhao
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
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Theoretical study on the mechanism of N- and α-carbon oxidation of lapatinib catalyzed by cytochrome P450 monooxygenase. J Mol Model 2019; 25:225. [PMID: 31312984 DOI: 10.1007/s00894-019-4125-1] [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] [Received: 01/30/2019] [Accepted: 07/07/2019] [Indexed: 10/26/2022]
Abstract
Lapatinib, an orally active dual tyrosine kinase inhibitor, is efficacious in combination therapy with capecitabine for advanced metastatic breast cancer. Despite its importance, it has been associated with hepatotoxicity observed in clinical trials and postmarketing surveillance. The mechanisms of hepatotoxicity at the chemical and cellular levels may link to drug metabolism. In this study, the N- and α-carbon oxidation processes of lapatinib catalyzed by CYP3A4 were explored by density functional theory method. The calculation results show that oxidation of C6 is the primary metabolic process and carboxylic acid is the main metabolic product. Both hydroxylation of C8 and subsequent formation of primary amines are feasible. However, it is not easy for the primary amines to form active metabolites nitroso, which indicates that there are other paths for the production of nitroso. Carboxylic acid is not the main metabolite of N7 oxidation because of higher hydrolysis energy barrier of intermediate nitrone. It is worthy to study subsequent N-hydroxylation and its downstream reaction, which may be the main pathway for the formation of nitroso. These results lay the foundation for drug design and optimization.
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Torrent-Sucarrat M, Arrastia I, Arrieta A, Cossío FP. Stereoselectivity, Different Oxidation States, and Multiple Spin States in the Cyclopropanation of Olefins Catalyzed by Fe–Porphyrin Complexes. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01492] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Miquel Torrent-Sucarrat
- Department of Organic Chemistry I, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Centro de Innovación en Química Avanzada (ORFEO−CINQA), Manuel Lardizabal Ibilbidea 3, 20018 San Sebastián/Donostia, Spain
- Donostia International Physics Center (DIPC), Manuel Lardizabal Ibilbidea 4, 20018 San Sebastián/Donostia, Spain
- Ikerbasque, Basque Foundation for Science, Alameda Urquijo, 36-5 Plaza Bizkaia, 48011 Bilbao, Spain
| | - Iosune Arrastia
- Department of Organic Chemistry I, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Centro de Innovación en Química Avanzada (ORFEO−CINQA), Manuel Lardizabal Ibilbidea 3, 20018 San Sebastián/Donostia, Spain
- Donostia International Physics Center (DIPC), Manuel Lardizabal Ibilbidea 4, 20018 San Sebastián/Donostia, Spain
| | - Ana Arrieta
- Department of Organic Chemistry I, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Centro de Innovación en Química Avanzada (ORFEO−CINQA), Manuel Lardizabal Ibilbidea 3, 20018 San Sebastián/Donostia, Spain
| | - Fernando P. Cossío
- Department of Organic Chemistry I, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Centro de Innovación en Química Avanzada (ORFEO−CINQA), Manuel Lardizabal Ibilbidea 3, 20018 San Sebastián/Donostia, Spain
- Donostia International Physics Center (DIPC), Manuel Lardizabal Ibilbidea 4, 20018 San Sebastián/Donostia, Spain
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Ibdah A, Alduwikat S. Thermochemistry and Bond Nature of Oxo and Thio Ligands in Rhenium(V) Catalysts and Rhenium(VII) Intermediates: Density Functional Calculations. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Abdellatif Ibdah
- Department of Chemistry Jordan University of Science and Technology Irbid Jordan
| | - Salwa Alduwikat
- Department of Chemistry Jordan University of Science and Technology Irbid Jordan
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