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Wang J, Yin J, Peng D, Zhang X, Shi Z, Li W, Shi Y, Sun M, Jiang N, Cheng B, Meng X, Liu R. 4-Nitrophenol at environmentally relevant concentrations mediates reproductive toxicity in Caenorhabditis elegans via metabolic disorders-induced estrogen signaling pathway. J Environ Sci (China) 2025; 147:244-258. [PMID: 39003044 DOI: 10.1016/j.jes.2023.09.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 09/16/2023] [Accepted: 09/24/2023] [Indexed: 07/15/2024]
Abstract
4-Nitrophenol (4-NP), as a toxic and refractory pollutant, has generated significant concern due to its adverse effects. However, the potential toxic effects and mechanism remained unclear. In this study, the reproduction, development, locomotion and reactive oxygen species (ROS) production of Caenorhabditis elegans were investigated to evaluate the 4-NP toxicity. We used metabolomics to assess the potential damage mechanisms. The role of metabolites in mediating the relationship between 4-NP and phenotypes was examined by correlation and mediation analysis. 4-NP (8 ng/L and 8 µg/L) caused significant reduction of brood size, ovulation rate, total germ cells numbers, head thrashes and body bends, and an increase in ROS. However, the oosperm numbers in uterus, body length and body width were decreased in 8 µg/L. Moreover, 36 differential metabolites were enriched in the significant metabolic pathways, including lysine biosynthesis, β-alanine metabolism, tryptophan metabolism, pentose phosphate pathway, pentose and glucuronate interconversions, amino sugar and nucleotide sugar metabolism, starch and sucrose metabolism, galactose metabolism, propanoate metabolism, glycerolipid metabolism, and estrogen signaling pathway. The mechanism of 4-NP toxicity was that oxidative stress caused by the perturbation of amino acid, which had effects on energy metabolism through disturbing carbohydrate and lipid metabolism, and finally affected the estrogen signaling pathway to exert toxic effects. Moreover, correlation and mediation analysis showed glycerol-3P, glucosamine-6P, glucosamine-1P, UDP-galactose, L-aspartic acid, and uracil were potential markers for the reproduction and glucose-1,6P2 for developmental toxicity. The results provided insight into the pathways involved in the toxic effects caused by 4-NP and developed potential biomarkers to evaluate 4-NP toxicity.
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Affiliation(s)
- Jia Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Jiechen Yin
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Danhong Peng
- Department of Obstetrics and Gynecology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, China
| | - Xiaoqian Zhang
- Department of Obstetrics and Gynecology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, Jiangsu 215002, China
| | - Zhouhong Shi
- Department of Obstetrics and Gynecology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, Jiangsu 215002, China
| | - Weixi Li
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Yingchi Shi
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Mingjun Sun
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Nan Jiang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Beijing Cheng
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Xingchen Meng
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Ran Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
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2
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Lawrence MJ, Grayson P, Jeffrey JD, Docker MF, Garroway CJ, Wilson JM, Manzon RG, Wilkie MP, Jeffries KM. Differences in the transcriptome response in the gills of sea lamprey acutely exposed to 3-trifluoromethyl-4-nitrophenol (TFM), niclosamide or a TFM:niclosamide mixture. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2023; 48:101122. [PMID: 37659214 DOI: 10.1016/j.cbd.2023.101122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/08/2023] [Accepted: 08/14/2023] [Indexed: 09/04/2023]
Abstract
Sea lamprey (Petromyzon marinus) control in the Laurentian Great Lakes of North America makes use of two pesticides: 3-trifluoromethyl-4-nitrophenol (TFM) and niclosamide, which are often co-applied. Sea lamprey appear to be vulnerable to these agents resulting from a lack of detoxification responses with evidence suggesting that lampricide mixtures produce a synergistic effect. However, there is a lack of information pertaining to the physiological responses of sea lamprey to niclosamide and TFM:niclosamide mixtures. Here, we characterized the transcriptomic responses of the sea lamprey to TFM, niclosamide, and a TFM:niclosamide (1.5 %) mixture in the gill. Along with a control, larval sea lamprey were exposed to each treatment for 6 h, after which gill tissues were extracted for measuring whole-transcriptome responses using RNA sequencing. Differential gene expression patterns were summarized, which included identifying the broad roles of genes and common expression patterns among the treatments. While niclosamide treatment resulted in no differentially expressed genes, TFM- and mixture-treated fish had several differentially expressed genes that were associated with the cell cycle, DNA damage, metabolism, immune function, and detoxification. However, there was no common differential expression among treatments. For the first time, we characterized the transcriptomic response of sea lamprey to niclosamide and a TFM:niclosamide mixture and identified that these agents impact mRNA transcript abundance of genes associated with the cell cycle and cellular death, and immune function, which are likely mediated through mitochondrial dysregulation. These results may help to inform the production of more targeted and effective lampricides in sea lamprey control efforts.
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Affiliation(s)
- M J Lawrence
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
| | - P Grayson
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - J D Jeffrey
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - M F Docker
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - C J Garroway
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - J M Wilson
- Department of Biology, Wilfrid Laurier University, Waterloo, ON N2L 3C5, Canada
| | - R G Manzon
- Department of Biology, University of Regina, Regina, SK S4S 0A2, Canada
| | - M P Wilkie
- Department of Biology, Wilfrid Laurier University, Waterloo, ON N2L 3C5, Canada
| | - K M Jeffries
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
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Zhai L, Gao Y, Cui Z, Chen L, Yu L, Guo P, Zhu D, Tang H, Liu X, Luo H. MiR-7-5p targeted Rb regulating cell cycle is involved in hydroquinone-induced malignant progression in human lymphoblastoid TK6 cells. Food Chem Toxicol 2023; 182:114186. [PMID: 37951342 DOI: 10.1016/j.fct.2023.114186] [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: 09/01/2023] [Revised: 10/25/2023] [Accepted: 11/06/2023] [Indexed: 11/13/2023]
Abstract
MiR-7-5p has been demonstrated to inhibit tumorigenesis by limiting tumor cell proliferation, migration and invasion. However, its role in countering hydroquinone (HQ)-induced malignant phenotype of TK6 cells has remained unclear. The present study aimed to investigate whether miR-7-5p overexpression could restrain the malignant phenotype in TK6 cells exposed to HQ. The results displayed that HQ suppressed the expression of miR-7-5p and promoted cell cycle progression. Further investigations confirmed that miR-7-5p could decelerate the cell cycle progression by targeting Rb after acute HQ exposure. Through the regulation of the Rb/E2F1 signaling pathway, the overexpression of miR-7-5p mitigated HQ-induced malignant phenotype in TK6 cells by impeding cell cycle progression. In conclusion, miR-7-5p overexpression appears to be involved in HQ-induced malignant transformation by suppressing Rb/E2F1 signaling pathway, resulting in a deceleration of the cell cycle progression.
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Affiliation(s)
- Lu Zhai
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Yuting Gao
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Zheming Cui
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Lin Chen
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Lingxue Yu
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Pu Guo
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Delong Zhu
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Huanwen Tang
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China; The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, China
| | - Xin Liu
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
| | - Hao Luo
- Department of Environmental and Occupational Health, Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
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Li ZH, Xing S, Li P, He S, Cao Z, Wang X, Cao X, Liu B, You H. Systematic toxicological analysis of the effect of salinity on the physiological stress induced by triphenyltin in Nile tilapia. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 257:106441. [PMID: 36848695 DOI: 10.1016/j.aquatox.2023.106441] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 01/11/2023] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
Triphenyltin (TPT), a synthetic chemical, is prevalent in complex salinity areas, including estuaries and coastal regions. However, current studies on the toxicological effects of TPT relevant to the environment at different salinities are limited. In the study, biochemical, histological, and transcriptional analyses of TPT and salinity alone, or in combination, was performed on the Nile tilapia (Oreochromis niloticus) liver. Nile tilapia exhibited weakened antioxidant defenses and liver damage. Transcriptomic analysis revealed that TPT exposure primarily affected lipid metabolism and immunity; salinity exposure alone particularly affected carbohydrate metabolism; combined exposure primarily immune- and metabolic-related signaling pathways. In addition, the single exposure to TPT or salinity induced inflammatory responses by up-regulating the expression of pro-inflammatory cytokines, whereas combined exposure suppressed inflammation by down-regulating pro-inflammatory cytokine levels. These findings are beneficial to understand the negative effects of TPT exposure in Nile tilapia in the broad salinity zones and its potential defense mechanisms.
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Affiliation(s)
- Zhi-Hua Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Shaoying Xing
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Ping Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Shuwen He
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Zhihan Cao
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Xu Wang
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Xuqian Cao
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Bin Liu
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Hong You
- State Key Laboratory of Urban Water Resources & Environment, Harbin Institute of Technology, Harbin 150001, China.
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5
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Lawrence M, Grayson P, Jeffrey J, Docker M, Garroway C, Wilson J, Manzon R, Wilkie M, Jeffries K. Transcriptomic impacts and potential routes of detoxification in a lampricide-tolerant teleost exposed to TFM and niclosamide. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY PART D: GENOMICS AND PROTEOMICS 2023; 46:101074. [PMID: 37028257 DOI: 10.1016/j.cbd.2023.101074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/19/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023]
Abstract
Sea lamprey (Petromyzon marinus) control in the Laurentian Great Lakes of North America often relies on the application of 3-trifluoromethyl-4-nitrophenol (TFM) and niclosamide mixtures to kill larval sea lamprey. Selectivity of TFM against lampreys appears to be due to differential detoxification ability in these jawless fishes compared to bony fishes, particularly teleosts. However, the proximate mechanisms of tolerance to the TFM and niclosamide mixture and the mechanisms of niclosamide toxicity on its own are poorly understood, especially among non-target fishes. Here, we used RNA sequencing to identify specific mRNA transcripts and functional processes that responded to niclosamide or a TFM:niclosamide mixture in bluegill (Lepomis macrochirus). Bluegill were exposed to niclosamide or TFM:niclosamide mixture, along with a time-matched control group, and gill and liver tissues were sampled at 6, 12, and 24 h. We summarized the whole-transcriptome patterns through gene ontology (GO) term enrichment and through differential expression of detoxification genes. The niclosamide treatment resulted in an upregulation of several transcripts associated with detoxification (cyp, ugt, sult, gst), which may help explain the relatively high detoxification capacity in bluegill. Conversely, the TFM:niclosamide mixture resulted in an enrichment of processes related to arrested cell cycle and growth, and cell death alongside a diverse detoxification gene response. Detoxification of both lampricides likely involves the use of phase I and II biotransformation genes. Our findings strongly suggest that the unusually high tolerance of bluegill to lampricides is due to these animals having an inherently high capacity and flexible detoxification response to such compounds.
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He S, Li P, Liu L, Li ZH. NMR technique revealed the metabolic interference mechanism of the combined exposure to cadmium and tributyltin in grass carp larvae. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:17828-17838. [PMID: 36201083 DOI: 10.1007/s11356-022-23368-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
Widespread human activity has resulted in the presence of different pollutants in the aquatic environment that does not exist in isolation. The study of the effects of contamination of aquatic organisms is of great significance. To assess the individual and combined toxicity of cadmium (Cd) and tributyltin (TBT) to aquatic organisms, juvenile grass carp (Ctenopharyngodon idella) were exposed to Cd (2.97 mg/L), TBT (7.5 μg/L), and their mixture MIX. The biological response was evaluated by nuclear magnetic resonance (NMR) analysis of plasma metabolites. Plasma samples at 1, 2, 4, 8, 16, 32, and 48 days post-exposure were analyzed using detection by NMR technique. The typical correlation analysis (CCA) analysis revealed that TBT had the greatest effect on plasma metabolism, followed by MIX and Cd. The interference pathway to grass carp was similar to that of TBT and MIX. Both Cd and TBT exposure alone or in combination can lead to metabolic abnormalities in TCA cycle-related pathways and interfere with energy metabolism. These results provide more detailed information for the metabolic study of pollutants and data for assessing the health risks of Cd, TBT, and MIX at the metabolic level.
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Affiliation(s)
- Shuwen He
- Marine College, Shandong University, Weihai, 264209, Shandong, China
| | - Ping Li
- Marine College, Shandong University, Weihai, 264209, Shandong, China
| | - Ling Liu
- Marine College, Shandong University, Weihai, 264209, Shandong, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, 264209, Shandong, China.
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7
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Wang X, Li P, Cao X, Liu B, He S, Cao Z, Xing S, Liu L, Li ZH. Effects of ocean acidification and tralopyril on bivalve biomineralization and carbon cycling: A study of the Pacific Oyster (Crassostrea gigas). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 313:120161. [PMID: 36100119 DOI: 10.1016/j.envpol.2022.120161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 08/21/2022] [Accepted: 09/08/2022] [Indexed: 06/15/2023]
Abstract
The combined effects of emerging pollutants and ocean acidification (OA) on marine organisms and marine ecosystems have attracted increasing attention. However, the combined effects of tralopyril and OA on marine organisms and marine ecosystems remain unclear. In this study, Crassostrea gigas (C. gigas) were exposed to tralopyril (1 μg/L) and/or OA (PH = 7.7) for 21 days and a 14-day recovery acclimation. To investigate the stress response and potential molecular mechanisms of C. gigas to OA and tralopyril exposure alone or in combination, as well as the effects of OA and/or tralopyril on bivalve biomineralization and marine carbon cycling. The results showed that the combined toxicity was between that of acidification and tralopyril alone. Single or combined exposure activated the general stress defense responses of C. gigas mantle, affected energy metabolism and biomineralization of the organism and the carbon cycle of the marine ecosystem. Moreover, acidification-induced and tralopyril-induced toxicity showed potential recoverability at molecular and biochemical levels. This study provides a new perspective on the molecular mechanisms of tralopyril toxicity to bivalve shellfish and reveals the potential role of tralopyril and OA on marine carbon cycling.
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Affiliation(s)
- Xu Wang
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Ping Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Xuqian Cao
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Bin Liu
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Shuwen He
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Zhihan Cao
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Shaoying Xing
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Ling Liu
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China.
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Lawrence MJ, Grayson P, Jeffrey JD, Docker MF, Garroway CJ, Wilson JM, Manzon RG, Wilkie MP, Jeffries KM. Variation in the Transcriptome Response and Detoxification Gene Diversity Drives Pesticide Tolerance in Fishes. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:12137-12147. [PMID: 35973096 DOI: 10.1021/acs.est.2c00821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Pesticides are critical for invasive species management but often have negative effects on nontarget native biota. Tolerance to pesticides should have an evolutionary basis, but this is poorly understood. Invasive sea lamprey (Petromyzon marinus) populations in North America have been controlled with a pesticide lethal to them at lower concentrations than native fishes. We addressed how interspecific variation in gene expression and detoxification gene diversity confer differential pesticide sensitivity in two fish species. We exposed sea lamprey and bluegill (Lepomis macrochirus), a tolerant native species, to 3-trifluoromethyl-4-nitrophenol (TFM), a pesticide commonly used in sea lamprey control. We then used whole-transcriptome sequencing of gill and liver to characterize the cellular response in both species. Comparatively, bluegill exhibited a larger number of detoxification genes expressed and a larger number of responsive transcripts overall, which likely contributes to greater tolerance to TFM. Understanding the genetic and physiological basis for pesticide tolerance is crucial for managing invasive species.
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Affiliation(s)
- M J Lawrence
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - P Grayson
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
- Department of Biomedical Informatics, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - J D Jeffrey
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
- Department of Biology, University of Winnipeg, Winnipeg, MB R3B 2E9, Canada
| | - M F Docker
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - C J Garroway
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - J M Wilson
- Department of Biology, Wilfrid Laurier University, Waterloo, ON N2L 3C5, Canada
| | - R G Manzon
- Department of Biology, University of Regina, Regina, SK S4S 0A2, Canada
| | - M P Wilkie
- Department of Biology, Wilfrid Laurier University, Waterloo, ON N2L 3C5, Canada
| | - K M Jeffries
- Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
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Xiao Y, Lin X, Zhou M, Ren T, Gao R, Liu Z, Shen W, Wang R, Xie X, Song Y, Hu W. Metabolomics analysis of the potential toxicological mechanisms of diquat dibromide herbicide in adult zebrafish (Danio rerio) liver. FISH PHYSIOLOGY AND BIOCHEMISTRY 2022; 48:1039-1055. [PMID: 35831485 DOI: 10.1007/s10695-022-01101-4] [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: 01/27/2022] [Accepted: 06/30/2022] [Indexed: 06/15/2023]
Abstract
Although diquat is a widely used water-soluble herbicide in the world, its sublethal adverse effects to fish have not been well characterised. In this study, histopathological examination and biochemical assays were applied to assess hepatotoxicity and combined with gas chromatography-mass spectrometry (GC-MS)-based metabolomics analysis to reveal overall metabolic mechanisms in the liver of zebrafish (Danio rerio) after diquat exposure at concentrations of 0.34 and 1.69 mg·L-1 for 21 days. Results indicated that 1.69 mg·L-1 diquat exposure caused cellular vacuolisation and degeneration with nuclear abnormality and led to the disturbance of antioxidative system and dysfunction in the liver. No evident pathological injury was detected, and changes in liver biochemistry were not obvious in the fish exposed to 0.34 mg·L-1 diquat. Multivariate statistical analysis revealed differences between profiles obtained by GC-MS spectrometry from control and two treatment groups. A total of 17 and 22 metabolites belonging to different classes were identified following exposure to 0.34 and 1.69 mg·L-1 diquat, respectively. The metabolic changes in the liver of zebrafish are mainly manifested as inhibition of energy metabolism, disorders of amino acid metabolism and reduction of antioxidant capacity caused by 1.69 mg·L-1 diquat exposure. The energy metabolism of zebrafish exposed to 0.34 mg·L-1 diquat was more inclined to rely on anaerobic glycolysis than that of normal zebrafish, and interference effects on lipid metabolism were observed. The metabolomics approach provided an innovative perspective to explore possible hepatic damages on fish induced by diquat as a basis for further research.
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Affiliation(s)
- Ye Xiao
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
| | - Xiang Lin
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
| | - Meilan Zhou
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
| | - Tianyu Ren
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
| | - Ruili Gao
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
| | - Zhongqun Liu
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
| | - Wenjing Shen
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
| | - Rong Wang
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
| | - Xi Xie
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
| | - Yanting Song
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China
| | - Wenting Hu
- School of Pharmaceutical Sciences, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China.
- Key Laboratory of Tropical Biological Resources of Ministry of Education, Hainan University, 58 Renmin Rd, Haikou, 570228, People's Republic of China.
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Removal of P-Nitrophenol by Nano Zero Valent Iron-Cobalt and Activated Persulfate Supported onto Activated Carbon. WATER 2022. [DOI: 10.3390/w14091387] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
P-nitrophenol (PNP), a highly toxic carcinogen, is very stable due to its benzene structure. Advanced oxidation technology is becoming the main means for degrading it. A nano iron-cobalt (Co-nZVI) catalyst, supported by granular activated carbon (GAC), was prepared using liquid-phase reduction, and sodium persulfate’s (PS’s) potential to degrade PNP was studied. The Co-nZVI/GAC nanocomposites were classified, and effects of PS dosage, Co-nZVI/GAC dosage, material system type, PNP concentration, initial pH, and material reuse rate on the reaction were investigated. Activated carbon successfully supported iron and cobalt. At 1 mmol/L of PS, the maximum PNP degradation rate was 99.19%, which was unachievable at other dosages. With only Co-nZVI/GAC present, the rate was 69.8%; with activated persulfate present, it increased to 99.19%. The activated PS system was relatively stable under acidic conditions. Catalysis was induced by adding Co-nZVI/GAC (1.5 g/L). When added four times, the catalytic rate was 57%. Liquid chromatography–mass spectrometry (LC-MS) showed that PNP degradation involves the transfer of PNP to p-benzoquinone (PBQ), the main activators being iron(II) and iron(III) and the key active substances being sulfate (SO42−) and hydroxide (·OH). In conclusion, Co-nZVI/GAC-activated PS effectively removes PNP.
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Wei Y, Song Z, Wu H. Titanium-pillared montmorillonite composite as an efficient catalyst for 2-nitrophenol reductive transformation by Fe(II): The effects of aqueous chemistry and mechanistic insights. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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12
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Grimard C, Mangold-Döring A, Alharbi H, Weber L, Hogan N, Jones PD, Giesy JP, Hecker M, Brinkmann M. Toxicokinetic Models for Bioconcentration of Organic Contaminants in Two Life Stages of White Sturgeon ( Acipenser transmontanus). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:11590-11600. [PMID: 34383468 DOI: 10.1021/acs.est.0c06867] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The white sturgeon (Acipenser transmontanus) is an endangered ancient fish species that is known to be particularly sensitive to certain environmental contaminants, partly because of the uptake and subsequent toxicity of lipophilic pollutants prone to bioconcentration as a result of their high lipid content. To better understand the bioconcentration of organic contaminants in this species, toxicokinetic (TK) models were developed for the embryo-larval and subadult life stages. The embryo-larval model was designed as a one-compartment model and validated using whole-body measurements of benzo[a]pyrene (B[a]P) metabolites from a waterborne exposure to B[a]P. A physiologically based TK (PBTK) model was used for the subadult model. The predictive power of the subadult model was validated with an experimental data set of four chemicals. Results showed that the TK models could accurately predict the bioconcentration of organic contaminants for both life stages of white sturgeon within 1 order of magnitude of measured values. These models provide a tool to better understand the impact of environmental contaminants on the health and the survival of endangered white sturgeon populations.
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Affiliation(s)
- Chelsea Grimard
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B3, Canada
| | - Annika Mangold-Döring
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B3, Canada
- Institute for Environmental Research (Biology V), RWTH Aachen University, Aachen 52074, Germany
| | - Hattan Alharbi
- Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Lynn Weber
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B3, Canada
- Department of Veterinary Biomedical Sciences, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B4, Canada
| | - Natacha Hogan
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B3, Canada
- Department of Animal and Poultry Science, College of Agriculture and Bioresources, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5A8, Canada
| | - Paul D Jones
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B3, Canada
- School of Environment and Sustainability, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5C8, Canada
| | - John P Giesy
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B3, Canada
- Department of Veterinary Biomedical Sciences, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B4, Canada
- Department of Environmental Sciences, Baylor University, Waco, Texas 76706, United States
| | - Markus Hecker
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B3, Canada
- School of Environment and Sustainability, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5C8, Canada
| | - Markus Brinkmann
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5B3, Canada
- School of Environment and Sustainability, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5C8, Canada
- Global Institute for Water Security, University of Saskatchewan, Saskatoon, Saskatchewan S7N 3H5, Canada
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Ahmed EA, Khaled HE, Elsayed AK. Long-term exposure to p-Nitrophenol induces hepatotoxicity via accelerating apoptosis and glycogen accumulation in male Japanese quails. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:44420-44431. [PMID: 33846926 DOI: 10.1007/s11356-021-13806-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 03/31/2021] [Indexed: 06/12/2023]
Abstract
p-Nitrophenol (PNP) is the main end product of organophosphorus insecticides and a derivative of diesel exhaust particles. In addition to its unfavorable impact on reproductive functions in both genders, it also has various harmful physiological effects including lung cancer and allergic rhinitis. The identification of the cellular readout that functions in metabolic pathway perpetuation is still far from clear. This research aimed to study the impact of chronic PNP exposure on the health condition of the liver in Japanese quails. Quails were exposed to different concentrations of PNP as follows: 0.0 (control), 0.01mg (PNP/0.01), 0.1mg (PNP/0.1), and 1mg (PNP/1) per kg of body weight for 2.5 months through oral administration. Liver and plasma samples were collected at 1.5, 2, and 2.5 months post-treatment for biochemical, histopathology, and immunohistochemistry assessment. The plasma aspartate aminotransferase (AST) level was assessed enzymatically. The livers were collected for histopathology, glycogen accumulation, proliferating cell nuclear antigen (PCNA), and apoptosis assessment. Our results revealed an irregularity in body weight due to the long-term exposure of PNP with a significant reduction in liver weight. PNP treatment caused histopathological alterations in the hepatic tissues which increased in severity by the long-term exposure. The low dose led to mild degeneration with lymphocytic infiltration, while the moderate dose has a congestion effect with some necrosis; meanwhile severe hepatocyte degeneration and RBCs hemolysis were noticed due to high dose of PNP. Glycogen accumulation increased in hepatocytes by prolonged exposure to p-Nitrophenol with the highest intensity in the group treated by the high dose. Moderate and high doses of PNP resulted in a significant increase in apoptosis and hepatocytes' proliferation at the different time points after treatment. This increase is markedly notable and maximized at 2.5 months post-treatment. The damage occurred in a time-dependent manner. These changes reflected on the plasma hepatic enzyme AST that was clearly increased at 2.5 months of exposure. Therefore, it could be concluded that PNP has profound toxic effects on the liver in cellular level. Taking into consideration the time and dose factors, both have a synergistic effect on the accumulation of glycogen, apoptosis, and cellular proliferation, highlighting the power of cellular investigation which will potentially open the door for earlier medical intervention to counteract this toxicity. Collectively, PNP could have critical hurtful effects on the health of human beings, wild animals as well as livestock.
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Affiliation(s)
- Eman A Ahmed
- Department of Pharmacology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
- Proteomics and Metabolomics Unit, Department of Basic Research, Children's Cancer Hospital Egypt 57357, Cairo, 11441, Egypt.
| | - Howayda E Khaled
- Zoology Department, Faculty of Sciences, Suez University, Suez, Egypt
| | - Ahmed K Elsayed
- Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
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Wang X, Tan Z, Chen S, Gui L, Li X, Ke D, Hou L, Leung JYS. Norethindrone causes cellular and hepatic injury in zebrafish by compromising the metabolic processes associated with antioxidant defence: Insights from metabolomics. CHEMOSPHERE 2021; 275:130049. [PMID: 33662720 DOI: 10.1016/j.chemosphere.2021.130049] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 02/08/2021] [Accepted: 02/18/2021] [Indexed: 06/12/2023]
Abstract
Progestins, such as norethindrone (NET), have been increasingly detected in aquatic environments due to their extensive use for medical applications. While NET is notorious for its endocrine disrupting effects, it has been recently shown to cause cellular damage, suggesting its potential impacts on the body defence of organisms. Hence, we examined the histological features and antioxidant defence of zebrafish (Danio rerio) after exposing to NET (50 ng/L and 500 ng/L) for 72 days, followed by analysing its metabolome to explore whether NET disturbs the metabolic processes responsible for antioxidant defence. While acute mortality was not triggered, we found that antioxidant defence was substantially weakened by NET at 500 ng/L (i.e. reduced SOD and GSH levels) and hence liver injury was inflicted (i.e. elevated ALT and MDA levels), as manifested by vacuolization of liver tissues and reduced number of normal cells in the liver. Metabolomic analysis showed that the metabolic processes responsible for antioxidant defence were disrupted by NET (e.g. upregulation of nervonyl carnitine and chenodeoxycholic acid 3-sulfate; downregulation of homolanthionine and acevaltrate) and these changes can undermine antioxidant defence by suppressing Nrf2-ARE and NF-κB pathways that contribute to the synthesis of SOD and GSH. This study demonstrates how NET can compromise the body defence of aquatic organisms via metabolic disruption, suggesting that the impacts of progestins on their fitness are more detrimental than previously thought.
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Affiliation(s)
- Xiaolan Wang
- School of Life Sciences, Guangzhou University, Guangzhou, 510655, China
| | - Zhiqing Tan
- School of Life Sciences, Guangzhou University, Guangzhou, 510655, China
| | - Shanduo Chen
- School of Life Sciences, Guangzhou University, Guangzhou, 510655, China
| | - Lin Gui
- School of Life Sciences, Guangzhou University, Guangzhou, 510655, China
| | - Xinchang Li
- College of Life Science, Zhaoqing University, Zhaoqing, 526100, China
| | - Desen Ke
- School of Life Sciences, Guangzhou University, Guangzhou, 510655, China
| | - Liping Hou
- School of Life Sciences, Guangzhou University, Guangzhou, 510655, China.
| | - Jonathan Y S Leung
- Faculty of Materials and Energy, Southwest University, Chongqing, 400715, China; School of Biological Sciences, The University of Adelaide, Adelaide, 5005, Australia.
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Liu T, Bai X. In situ preparation of highly dispersed Pd supported on exfoliated layered double hydroxides via nitrogen plasma for 4-nitrophenol reduction. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:30090-30100. [PMID: 33582960 DOI: 10.1007/s11356-021-12689-0] [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: 11/16/2020] [Accepted: 01/25/2021] [Indexed: 06/12/2023]
Abstract
In this work, a simple and environmental-friendly nitrogen glow discharge plasma reduction method has been developed for synthesizing palladium nanoparticles (PdNPs) supported on exfoliated Mg-Al-layered double hydroxide (Pd/LDH) catalysts. The as-prepared catalysts were characterized by means of characterizations methods, which contain X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectrometry (XPS), and Fourier transform infrared (FT-IR). Highly dispersed ultrafine PdNPs were supported on exfoliated, defect-induced LDHs uniformly without agglomeration. The effects of treatment time of nitrogen plasma and Pd loading amount on structure, morphology, and catalytic performance of Pd/LDHs were investigated. The comparisons of structure and morphology between LDHs and Pd/LDHs were also discussed. The average particle size of as-synthesized PdNPs with face-centered cubic structure is 2.01 nm, which ranges from 1.18 to 3.01 nm. Nitrogen plasma cannot only reduce Pd2+, but also exfoliate LDHs, introduce defects, and even destroy the structure of LDHs. The Pd/LDH catalyst with 1 wt% Pd loading under nitrogen plasma treatment for 60 min showed the best catalytic performance in 4-nitrophenol reduction. The turnover frequency (TOF) of as-prepared catalyst is 20-fold higher than that of commercial Pd/C catalyst.
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Affiliation(s)
- Teng Liu
- School of Chemistry and Material Sciences, Heilongjiang University, Harbin, 150080, People's Republic of China
| | - Xuefeng Bai
- School of Chemistry and Material Sciences, Heilongjiang University, Harbin, 150080, People's Republic of China.
- Institute of Petrochemistry, Heilongjiang Academy of Sciences, Harbin, 150040, People's Republic of China.
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Jia Z, Zhao C, Wang M, Zhao X, Zhang W, Han T, Xia Q, Han Z, Lin R, Li X. Hepatotoxicity assessment of Rhizoma Paridis in adult zebrafish through proteomes and metabolome. Biomed Pharmacother 2020; 121:109558. [DOI: 10.1016/j.biopha.2019.109558] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 10/08/2019] [Accepted: 10/17/2019] [Indexed: 12/20/2022] Open
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17
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Grzegorzewska AK, Hrabia A, Kowalik K, Katarzyńska-Banasik D, Kozubek A, Sechman A. In vitro effects of PNP and PNMC on apoptosis and proliferation in the hen ovarian stroma and prehierarchal follicles. Acta Histochem 2020; 122:151463. [PMID: 31708232 DOI: 10.1016/j.acthis.2019.151463] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/25/2019] [Accepted: 10/25/2019] [Indexed: 12/11/2022]
Abstract
This study aimed to examine the mRNA expression, activity, and immunolocalisation of apoptosis/proliferation regulating factors following in vitro exposure of the stroma, white (WFs), and yellowish (YFs) follicles of the chicken ovary to 4-nitrophenol (PNP) or 3-methyl-4-nitrophenol (PNMC). PNMC increased the mRNA expression of caspase-3, -8, Apaf-1, and cytochrome c in the ovarian stroma. The activity of caspase-3, -8, and -9 decreased in WFs in both nitrophenol-treated groups. PNP reduced the number of caspase-3-positive cells in the stromal connective tissue (CT) and the theca interna and externa layers of WFs. In the stroma, the proliferating index decreased in the wall of primary follicles in both nitrophenol-treated groups, however, in the CT, the effect of PNMC was opposite. In the theca interna of WFs, PNP diminished the proliferating index. These results suggest that nitrophenols might impact the development of chicken ovarian follicles by affecting cell death and proliferation.
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Affiliation(s)
- A K Grzegorzewska
- Department of Animal Physiology and Endocrinology, University of Agriculture in Cracow, Al. Mickiewicza 24/28, 30-059 Krakow, Poland.
| | - A Hrabia
- Department of Animal Physiology and Endocrinology, University of Agriculture in Cracow, Al. Mickiewicza 24/28, 30-059 Krakow, Poland
| | - K Kowalik
- Department of Animal Physiology and Endocrinology, University of Agriculture in Cracow, Al. Mickiewicza 24/28, 30-059 Krakow, Poland
| | - D Katarzyńska-Banasik
- Department of Animal Physiology and Endocrinology, University of Agriculture in Cracow, Al. Mickiewicza 24/28, 30-059 Krakow, Poland
| | - A Kozubek
- Department of Animal Physiology and Endocrinology, University of Agriculture in Cracow, Al. Mickiewicza 24/28, 30-059 Krakow, Poland
| | - A Sechman
- Department of Animal Physiology and Endocrinology, University of Agriculture in Cracow, Al. Mickiewicza 24/28, 30-059 Krakow, Poland
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18
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Poon KL, Wang X, Lee SGP, Ng AS, Goh WH, Zhao Z, Al-Haddawi M, Wang H, Mathavan S, Ingham PW, McGinnis C, Carney TJ. Editor's Highlight: Transgenic Zebrafish Reporter Lines as Alternative In Vivo Organ Toxicity Models. Toxicol Sci 2018; 156:133-148. [PMID: 28069987 DOI: 10.1093/toxsci/kfw250] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Organ toxicity, particularly liver toxicity, remains one of the major reasons for the termination of drug candidates in the development pipeline as well as withdrawal or restrictions of marketed drugs. A screening-amenable alternative in vivo model such as zebrafish would, therefore, find immediate application in the early prediction of unacceptable organ toxicity. To identify highly upregulated genes as biomarkers of toxic responses in the zebrafish model, a set of well-characterized reference drugs that cause drug-induced liver injury (DILI) in the clinic were applied to zebrafish larvae and adults. Transcriptome microarray analysis was performed on whole larvae or dissected adult livers. Integration of data sets from different drug treatments at different stages identified common upregulated detoxification pathways. Within these were candidate biomarkers which recurred in multiple treatments. We prioritized 4 highly upregulated genes encoding enzymes acting in distinct phases of the drug metabolism pathway. Through promoter isolation and fosmid recombineering, eGFP reporter transgenic zebrafish lines were generated and evaluated for their response to DILI drugs. Three of the 4 generated reporter lines showed a dose and time-dependent induction in endodermal organs to reference drugs and an expanded drug set. In conclusion, through integrated transcriptomics and transgenic approaches, we have developed parallel independent zebrafish in vivo screening platforms able to predict organ toxicities of preclinical drugs.
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Affiliation(s)
- Kar Lai Poon
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, 138673 Singapore
| | - Xingang Wang
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, 138673 Singapore
| | - Serene G P Lee
- Genome Institute of Singapore, A*STAR (Agency for Science, Technology and Research), 60 Biopolis Street, 138672 Singapore
| | - Ashley S Ng
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, 138673 Singapore
| | - Wei Huang Goh
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, 138673 Singapore
| | - Zhonghua Zhao
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, 138673 Singapore
| | - Muthafar Al-Haddawi
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, 138673 Singapore
| | - Haishan Wang
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, 138673 Singapore
| | - Sinnakaruppan Mathavan
- Genome Institute of Singapore, A*STAR (Agency for Science, Technology and Research), 60 Biopolis Street, 138672 Singapore
| | - Philip W Ingham
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, 138673 Singapore.,Lee Kong Chian School of Medicine, Nanyang Technological University, 50 Nanyang Avenue, 639798 Singapore
| | - Claudia McGinnis
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, 138673 Singapore.,Roche Pharmaceutical Research & Early Development (pRED), Pharmaceutical Sciences, Roche Innovation Center Basel, Basel, Switzerland
| | - Tom J Carney
- Institute of Molecular and Cell Biology (IMCB), A*STAR (Agency for Science, Technology and Research), 61 Biopolis Drive, 138673 Singapore.,Lee Kong Chian School of Medicine, Nanyang Technological University, 50 Nanyang Avenue, 639798 Singapore
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Inhibition of autophagy aggravated 4-nitrophenol-induced oxidative stress and apoptosis in NHPrE1 human normal prostate epithelial progenitor cells. Regul Toxicol Pharmacol 2017; 87:88-94. [DOI: 10.1016/j.yrtph.2017.05.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 02/24/2017] [Accepted: 05/01/2017] [Indexed: 12/20/2022]
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20
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Chen R, Liu C, Yuan L, Zha J, Wang Z. 2, 4-Dichloro-6-nitrophenol, a photonitration product of 2, 4-dichlorophenol, caused anti-androgenic potency in Chinese rare minnows (Gobiocypris rarus). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 216:591-598. [PMID: 27325545 DOI: 10.1016/j.envpol.2016.06.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 06/03/2016] [Accepted: 06/07/2016] [Indexed: 06/06/2023]
Abstract
2,4-Dichloro-6-nitrophenol (DCNP) is an environmental transformation product of 2,4-dichlorophenol that has been identified as widespread in effluent wastewater, but little is known about its toxicity because this compound is not regulated. Therefore, to investigate the endocrine disruption potency of DCNP in Chinese rare minnows (Gobiocypris rarus), adult and juvenile fish were exposed to various concentrations of DCNP (2, 20, and 200 μg/L) for 28 d. After 28 d exposure, the plasma vitellogenin (VTG) levels were reduced in females while increased in males and juvenile fish considerably, as compared with the control. These results suggested that DCNP affects the HPG-axis in a sex-dependent way. Testosterone (T) levels in the plasma were significantly lower in adult and juvenile fish and were accompanied by an increased estradiol (E2)/T ratio. Histopathological observation revealed hypertrophy of the hepatocytes and nuclear pyknosis in the liver, the inhibition of spermatogenesis in the testes, and the degeneration of oocytes in the ovaries after DCNP exposure. The expression pattern of selected genes indicated that the nuclear receptor, steroidogenesis and gonadotropin regulation pathways were perturbed after DCNP exposure. Above all, our results demonstrated that DCNP clearly had anti-androgenic activity in both adult and juvenile fish and can therefore be considered as an endocrine-disrupting chemical.
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Affiliation(s)
- Rui Chen
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Cao Liu
- Beijing Water Sciences and Technology Institute, Beijing, 100048, China
| | - Lilai Yuan
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Jinmiao Zha
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
| | - Zijian Wang
- Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
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Hydrogen Sulfide Mitigates Kidney Injury in High Fat Diet-Induced Obese Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:2715718. [PMID: 27413418 PMCID: PMC4930816 DOI: 10.1155/2016/2715718] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 05/06/2016] [Accepted: 05/08/2016] [Indexed: 12/12/2022]
Abstract
Obesity is prevalent worldwide and is a major risk factor for the development and progression of kidney disease. Hydrogen sulfide (H2S) plays an important role in renal physiological and pathophysiological processes. However, whether H2S is able to mitigate kidney injury induced by obesity in mice remains unclear. In this study, we demonstrated that H2S significantly reduced the accumulation of lipids in the kidneys of high fat diet- (HFD-) induced obese mice. The results of hematoxylin and eosin, periodic acid-Schiff, and Masson's trichrome staining showed that H2S ameliorated the kidney structure, decreased the extent of interstitial injury, and reduced the degree of kidney fibrosis in HFD-induced obese mice. We found that H2S decreased the expression levels of tumor necrosis factor-α, interleukin- (IL-) 6, and monocyte chemoattractant protein-1 but increased the expression level of IL-10. Furthermore, H2S treatment decreased the protein expression of p50, p65, and p-p65 in the kidney of HFD-induced obese mice. In conclusion, H2S is able to mitigate renal injury in HFD-induced obese mice through the reduction of kidney inflammation by downregulating the expression of nuclear factor-kappa B. H2S or its releasing compounds may serve as a potential therapeutic molecule for obesity-induced kidney injury.
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The Regulation of para-Nitrophenol Degradation in Pseudomonas putida DLL-E4. PLoS One 2016; 11:e0155485. [PMID: 27191401 PMCID: PMC4871426 DOI: 10.1371/journal.pone.0155485] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 04/29/2016] [Indexed: 01/06/2023] Open
Abstract
Pseudomonas putida DLL-E4 can efficiently degrade para-nitrophenol and its intermediate metabolite hydroquinone. The regulation of para-nitrophenol degradation was studied, and PNP induced a global change in the transcriptome of P. putida DLL-E4. When grown on PNP, the wild-type strain exhibited significant downregulation of 2912 genes and upregulation of 845 genes, whereas 2927 genes were downregulated and 891 genes upregulated in a pnpR-deleted strain. Genes related to two non-coding RNAs (ins1 and ins2), para-nitrophenol metabolism, the tricarboxylic acid cycle, the outer membrane porin OprB, glucose dehydrogenase Gcd, and carbon catabolite repression were significantly upregulated when cells were grown on para-nitrophenol plus glucose. pnpA, pnpR, pnpC1C2DECX1X2, and pnpR1 are key genes in para-nitrophenol degradation, whereas pnpAb and pnpC1bC2bDbEbCbX1bX2b have lost the ability to degrade para-nitrophenol. Multiple components including transcriptional regulators and other unknown factors regulate para-nitrophenol degradation, and the transcriptional regulation of para-nitrophenol degradation is complex. Glucose utilization was enhanced at early stages of para-nitrophenol supplementation. However, it was inhibited after the total consumption of para-nitrophenol. The addition of glucose led to a significant enhancement in para-nitrophenol degradation and up-regulation in the expression of genes involved in para-nitrophenol degradation and carbon catabolite repression (CCR). It seemed that para-nitrophenol degradation can be regulated by CCR, and relief of CCR might contribute to enhanced para-nitrophenol degradation. In brief, the regulation of para-nitrophenol degradation seems to be controlled by multiple factors and requires further study.
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Li R, Song M, Li Z, Li Y, Watanabe G, Nagaoka K, Taya K, Li C. 4-Nitrophenol exposure alters the AhR signaling pathway and related gene expression in the rat liver. J Appl Toxicol 2016; 37:150-158. [DOI: 10.1002/jat.3332] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2016] [Revised: 03/09/2016] [Accepted: 03/11/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Ruonan Li
- Jiangsu Provincial Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Meiyan Song
- Jiangsu Provincial Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Zhi Li
- Jiangsu Provincial Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Yansen Li
- Jiangsu Provincial Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Gen Watanabe
- Laboratory of Veterinary Physiology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture; Tokyo University of Agriculture and Technology; Tokyo Japan
- Department of Basic Veterinary Science, The United Graduate School of Veterinary Sciences; Gifu University; Gifu Japan
| | - Kentaro Nagaoka
- Laboratory of Veterinary Physiology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture; Tokyo University of Agriculture and Technology; Tokyo Japan
- Department of Basic Veterinary Science, The United Graduate School of Veterinary Sciences; Gifu University; Gifu Japan
| | - Kazuyoshi Taya
- Jiangsu Provincial Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
- Laboratory of Veterinary Physiology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture; Tokyo University of Agriculture and Technology; Tokyo Japan
| | - Chunmei Li
- Jiangsu Provincial Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
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Verstraelen S, Peers B, Maho W, Hollanders K, Remy S, Berckmans P, Covaci A, Witters H. Phenotypic and biomarker evaluation of zebrafish larvae as an alternative model to predict mammalian hepatotoxicity. J Appl Toxicol 2016; 36:1194-206. [PMID: 26946349 DOI: 10.1002/jat.3288] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Revised: 12/15/2015] [Accepted: 12/15/2015] [Indexed: 01/26/2023]
Abstract
Zebrafish phenotypic assays have shown promise to assess human hepatotoxicity, though scoring of liver morphology remains subjective and difficult to standardize. Liver toxicity in zebrafish larvae at 5 days was assessed using gene expression as the biomarker approach, complementary to phenotypic analysis and analytical data on compound uptake. This approach aimed to contribute to improved hepatotoxicity prediction, with the goal of identifying biomarker(s) as a step towards the development of transgenic models for prioritization. Morphological effects of hepatotoxic compounds (acetaminophen, amiodarone, coumarin, methapyrilene and myclobutanil) and saccharin as the negative control were assessed after exposure in zebrafish larvae. The hepatotoxic compounds induced the expected zebrafish liver degeneration or changes in size, whereas saccharin did not have any phenotypic adverse effect. Analytical methods based on liquid chromatography-mass spectrometry were optimized to measure stability of selected compounds in exposure medium and internal concentration in larvae. All compounds were stable, except amiodarone for which precipitation was observed. There was a wide variation between the levels of compound in the zebrafish larvae with a higher uptake of amiodarone, methapyrilene and myclobutanil. Detection of hepatocyte markers (CP, CYP3A65, GC and TF) was accomplished by in situ hybridization of larvae to coumarin and myclobutanil and confirmed by real-time reverse transcription-quantitative polymerase chain reaction. Experiments showed decreased expression of all markers. Next, other liver-specific biomarkers (i.e. FABP10a and NR1H4) and apoptosis (i.e. CASP-3 A and TP53) or cytochrome P450-related (CYP2K19) and oxidoreductase activity-related (ZGC163022) genes, were screened. Links between basic mechanisms of liver injury and results of biomarker responses are described. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Sandra Verstraelen
- VITO NV, Applied Bio & Molecular Systems, Boeretang 200, B-2400, Mol, Belgium
| | - Bernard Peers
- GIGA-R, University of Liège, Avenue de l'Hopital 1, B34, B-4000, Liège, Belgium
| | - Walid Maho
- Toxicological Center, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Karen Hollanders
- VITO NV, Applied Bio & Molecular Systems, Boeretang 200, B-2400, Mol, Belgium
| | - Sylvie Remy
- VITO NV, Applied Bio & Molecular Systems, Boeretang 200, B-2400, Mol, Belgium.,Epidemiology and Social Medicine, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Pascale Berckmans
- VITO NV, Applied Bio & Molecular Systems, Boeretang 200, B-2400, Mol, Belgium
| | - Adrian Covaci
- Toxicological Center, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium
| | - Hilda Witters
- VITO NV, Applied Bio & Molecular Systems, Boeretang 200, B-2400, Mol, Belgium
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Chen J, Song M, Li Y, Zhang Y, Taya K, Li C. The effect of phytosterol protects rats against 4-nitrophenol-induced liver damage. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 41:266-271. [PMID: 26748050 DOI: 10.1016/j.etap.2015.12.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Revised: 12/14/2015] [Accepted: 12/16/2015] [Indexed: 06/05/2023]
Abstract
We investigated the effect of phytosterol (PS) in regard to liver damage induced by 4-nitrophenol (PNP). Twenty rats were randomly divided into four groups (Control, PS, PNP, and PNP+PS). The PS and PNP+PS groups were pretreated with PS for one week. The PNP and PNP+PS groups were injected subcutaneously with PNP for 28 days. The control group received a basal diet and was injected with vehicle alone. Treatment with PS prevented the elevation of the total bilirubin levels, as well as an increase in serum alkaline transaminase and aspartate transaminase, which are typically caused by PNP-induced liver damage. Histopathologically showed that liver damage was significantly mitigated by PS treatment. However, there was no significant change in antioxidant enzyme activities, and the Nrf2-antioxidant system was not activated after treatment with PS. These results suggest that PS could mitigate liver damage induced by PNP, but does not enhance antioxidant capacity.
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Affiliation(s)
- Jiaqin Chen
- College of Animal Science and Technology, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, PR China
| | - Meiyan Song
- College of Animal Science and Technology, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, PR China
| | - Yansen Li
- College of Animal Science and Technology, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, PR China
| | - Yonghui Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, PR China
| | - Kazuyoshi Taya
- Laboratory of Veterinary Physiology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - ChunMei Li
- College of Animal Science and Technology, Nanjing Agricultural University, 1 Weigang, Nanjing 210095, PR China.
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26
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Xu WF, Li YS, Dai PY, Li CM. Potential protective effect of arginine against 4-nitrophenol-induced ovarian damage in rats. J Toxicol Sci 2016; 41:371-81. [DOI: 10.2131/jts.41.371] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Wei-Feng Xu
- College of Animal Science and Technology, Nanjing Agricultural University, China
| | - Yan-Sen Li
- College of Animal Science and Technology, Nanjing Agricultural University, China
| | - Peng-Yuan Dai
- College of Animal Science and Technology, Nanjing Agricultural University, China
| | - Chun-Mei Li
- College of Animal Science and Technology, Nanjing Agricultural University, China
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27
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Well-exposed gold nanoclusters on Indonesia natural zeolite: a highly active and reusable catalyst for the reduction of p-nitrophenol. REACTION KINETICS MECHANISMS AND CATALYSIS 2015. [DOI: 10.1007/s11144-015-0916-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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28
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Song YF, Luo Z, Pan YX, Zhang LH, Chen QL, Zheng JL. Three unsaturated fatty acid biosynthesis-related genes in yellow catfish Pelteobagrus fulvidraco: Molecular characterization, tissue expression and transcriptional regulation by leptin. Gene 2015; 563:1-9. [DOI: 10.1016/j.gene.2014.12.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 12/05/2014] [Accepted: 12/08/2014] [Indexed: 12/30/2022]
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29
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Bermejo-Nogales A, Calduch-Giner JA, Pérez-Sánchez J. Unraveling the molecular signatures of oxidative phosphorylation to cope with the nutritionally changing metabolic capabilities of liver and muscle tissues in farmed fish. PLoS One 2015; 10:e0122889. [PMID: 25875231 PMCID: PMC4398389 DOI: 10.1371/journal.pone.0122889] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 02/24/2015] [Indexed: 01/05/2023] Open
Abstract
Mitochondrial oxidative phosphorylation provides over 90% of the energy produced by aerobic organisms, therefore the regulation of mitochondrial activity is a major issue for coping with the changing environment and energy needs. In fish, there is a large body of evidence of adaptive changes in enzymatic activities of the OXPHOS pathway, but less is known at the transcriptional level and the first aim of the present study was to define the molecular identity of the actively transcribed subunits of the mitochondrial respiratory chain of a livestock animal, using gilthead sea bream as a model of farmed fish with a high added value for European aquaculture. Extensive BLAST searches in our transcriptomic database (www.nutrigroup-iats.org/seabreamdb) yielded 97 new sequences with a high coverage of catalytic, regulatory and assembly factors of Complex I to V. This was the basis for the development of a PCR array for the simultaneous profiling of 88 selected genes. This new genomic resource allowed the differential gene expression of liver and muscle tissues in a model of 10 fasting days. A consistent down-regulated response involving 72 genes was made by the liver, whereas an up-regulated response with 29 and 10 differentially expressed genes was found in white skeletal muscle and heart, respectively. This differential regulation was mostly mediated by nuclear-encoded genes (skeletal muscle) or both mitochondrial- and nuclear-encoded genes (liver, heart), which is indicative of a complex and differential regulation of mitochondrial and nuclear genomes, according to the changes in the lipogenic activity of liver and the oxidative capacity of glycolytic and highly oxidative muscle tissues. These insights contribute to the identification of the most responsive elements of OXPHOS in each tissue, which is of relevance for the appropriate gene targeting of nutritional and/or environmental metabolic disturbances in livestock animals.
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Affiliation(s)
- Azucena Bermejo-Nogales
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (CSIC-IATS), Ribera de Cabanes, Castellón, Spain
| | - Josep Alvar Calduch-Giner
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (CSIC-IATS), Ribera de Cabanes, Castellón, Spain
| | - Jaume Pérez-Sánchez
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (CSIC-IATS), Ribera de Cabanes, Castellón, Spain
- * E-mail:
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Chen H, Chan JYW, Yang X, Wyman IW, Bardelang D, Macartney DH, Lee SMY, Wang R. Developmental and organ-specific toxicity of cucurbit[7]uril: in vivo study on zebrafish models. RSC Adv 2015. [DOI: 10.1039/c5ra04335b] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
The macrocyclic Cucurbit[7]uril was evaluated for its in vivo toxicity profile, including developmental toxicity and organ-specific toxicities using zebrafish models.
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Affiliation(s)
- Huanxian Chen
- State Key Laboratory of Quality Research in Chinese Medicine
- Institute of Chinese Medical Sciences
- University of Macau
- Taipa
- China
| | - Judy Y. W. Chan
- State Key Laboratory of Quality Research in Chinese Medicine
- Institute of Chinese Medical Sciences
- University of Macau
- Taipa
- China
| | - Xue Yang
- State Key Laboratory of Quality Research in Chinese Medicine
- Institute of Chinese Medical Sciences
- University of Macau
- Taipa
- China
| | - Ian W. Wyman
- Department of Chemistry
- Queen's University
- Kingston
- Canada
| | - David Bardelang
- Aix-Marseille Université
- CNRS
- Institut de Chimie Radicalaire
- UMR 7273
- 13397 Marseille
| | | | - Simon M. Y. Lee
- State Key Laboratory of Quality Research in Chinese Medicine
- Institute of Chinese Medical Sciences
- University of Macau
- Taipa
- China
| | - Ruibing Wang
- State Key Laboratory of Quality Research in Chinese Medicine
- Institute of Chinese Medical Sciences
- University of Macau
- Taipa
- China
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31
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Zhang H, Liu Y, Liu R, Liu C, Chen Y. Molecular Mechanism of Lead-Induced Superoxide Dismutase Inactivation in Zebrafish Livers. J Phys Chem B 2014; 118:14820-6. [PMID: 25494975 DOI: 10.1021/jp511056t] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Lead toxicity has been proved to be related with inducing oxidative stress of organisms and causing inactivation of antioxidant enzymes, the mechanism of which remains unknown. This study investigated and compared superoxide dismutase (Cu/Zn SOD) activity inhibited in lead-treated zebrafish livers and explored the mechanism of SOD inactivation by lead at the molecular level using multiple spectroscopic techniques, isothermal titration calorimetric (ITC) measurement, molecular docking study and ICP-AES detection. Results showed lead exposure decreased SOD activities in zebrafish livers due to direct interactions between lead and SOD, resulting in conformational and functional changes of the enzyme. To be specific, Studies at the molecular level indicated that lead bound into the active site channel of SOD, hindered the path of the catalytic substrate (O(2)(-•)), damaged its skeleton conformation and secondary structure, and interacted with the enzymatically related residue (Arg 141) through electrostatic forces (ΔH < 0, ΔS > 0), and caused the release of Cu(2+) and Zn(2+) from the catalytic pocket of SOD. This work shows a correlation between results on organismal and molecular levels, and obtains a possible model hypothesizing mechanisms of lead toxicity using in vitro experiments instead of in vivo ones.
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Affiliation(s)
- Hao Zhang
- School of Environmental Science and Engineering, China-America CRC for Environment & Health, Shandong University , 27# Shanda South Road, Jinan, Shandong Province 250100, P. R. China
| | - Yang Liu
- School of Environmental Science and Engineering, China-America CRC for Environment & Health, Shandong University , 27# Shanda South Road, Jinan, Shandong Province 250100, P. R. China
| | - Rutao Liu
- School of Environmental Science and Engineering, China-America CRC for Environment & Health, Shandong University , 27# Shanda South Road, Jinan, Shandong Province 250100, P. R. China
| | - Chunguang Liu
- School of Environmental Science and Engineering, China-America CRC for Environment & Health, Shandong University , 27# Shanda South Road, Jinan, Shandong Province 250100, P. R. China
| | - Yadong Chen
- Laboratory of Molecular Design and Drug Discovery, School of Basic Science, China Pharmaceutical University , 24 Tongjiaxiang, Nanjing 210009, China
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