1
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Tan X, Wang B, Zhou X, Liu C, Wang C, Bai J. Fecal fermentation behaviors of Konjac glucomannan and its impacts on human gut microbiota. Food Chem X 2024; 23:101610. [PMID: 39071938 PMCID: PMC11282934 DOI: 10.1016/j.fochx.2024.101610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Revised: 06/24/2024] [Accepted: 07/01/2024] [Indexed: 07/30/2024] Open
Abstract
Dietary fiber targets the regulation of the intestinal flora and thus affects host health, however, the complex relationship between these factors lacks direct evidence. In this study, the regulatory effects of Konjac glucomannan (KGM) on key metabolites of host intestinal flora were examined by using in vitro fermentation. The results showed that KGM could be utilized by the intestinal flora, which inhibited the relative abundance of Paeniclostridium, Lachnoclostridium, Phascolarctobacterium, and Bacteroides and enriched the relative abundance of Desulfovibrio, Sutterella, etc. Fermentation is accompanied by the production of short-chain acids, including acetic and propionic acids. Metabolomics revealed that KGM significantly promoted amino acid metabolism, lipid metabolism, and the biosynthesis of other secondary metabolites. Correlation analysis results showed that the increase of panose and N-(1-carboxy-3-carboxanilidopropyl) alanylproline content was positively correlated with the relative abundance of Megamonas. These results provide evidence that KGM affects host health by regulating gut microbiota and its metabolites.
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Affiliation(s)
- Xiang Tan
- Citrus Research Institute, Southwest University, Chongqing, 400700, China
| | - Botao Wang
- Bloomage Biotechnology CO, LTD, Jinan, Shandong, 250000, China
| | - Xu Zhou
- College of Food Science, Southwest University, Chongqing, 400715, China
| | - Cuiping Liu
- Department of Radiology, Yuxi Children's Hospital, Yuxi, Yunnan 653100, China
| | - Chen Wang
- College of Food Science, Southwest University, Chongqing, 400715, China
| | - Junying Bai
- Citrus Research Institute, Southwest University, Chongqing, 400700, China
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Fang Y, Lv S, Xiao S, Hou H, Yao J, Cao Y, He B, Liu X, Wang P, Liu D, Zhou Z. Enantioselective bioaccumulation and toxicological effects of chiral neonicotinoid sulfoxaflor in rats. CHEMOSPHERE 2024; 358:142065. [PMID: 38636916 DOI: 10.1016/j.chemosphere.2024.142065] [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: 02/27/2024] [Revised: 04/13/2024] [Accepted: 04/15/2024] [Indexed: 04/20/2024]
Abstract
Sulfoxaflor is a widely used fourth-generation neonicotinoid pesticide, which has been detected in biological and environmental samples. Sulfoxaflor can potentially be exposed to humans via the food chain, thus understanding its toxic effects and enantioselective bioaccumulation is crucial. In this study, toxicokinetics, bioaccumulation, tissue distribution and enantiomeric profiles of sulfoxaflor in rats were investigated through single oral exposure and 28-days continuous exposure experiment. Sulfoxaflor mainly accumulated in liver and kidney, and the (-)-2R,3R-sulfoxaflor and (-)-2S,3R-sulfoxaflor had higher enrichment than their enantiomers in rats. The toxicological effects were evaluated after 28-days exposure. Slight inflammation in liver and kidney were observed by histopathology. Sphingolipid, amino acid, and vitamin B6 metabolism pathways were significantly disturbed in metabonomics analysis. These toxicities were in compliance with dose-dependent effects. These results improve understanding of enantioselective bioaccumulation and the potential health risk of sulfoxaflor.
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Affiliation(s)
- Yaofeng Fang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Shengchen Lv
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Shouchun Xiao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Haonan Hou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Jianing Yao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Yue Cao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Bingying He
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Xueke Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China.
| | - Peng Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Donghui Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
| | - Zhiqiang Zhou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, PR China
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3
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Li P, Gao S, Qu W, Li Y, Liu Z. Chemo-Selective Single-Cell Metabolomics Reveals the Spatiotemporal Behavior of Exogenous Pollutants During Xenopus Laevis Embryogenesis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305401. [PMID: 38115758 PMCID: PMC10916618 DOI: 10.1002/advs.202305401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 11/20/2023] [Indexed: 12/21/2023]
Abstract
In-depth profiling of embryogenesis-associated endogenous and exogenous metabolic changes can reveal potential bio-effects resulting from human-made chemicals and underlying mechanisms. Due to the lack of potent tools for monitoring spatiotemporal distribution and bio-transformation behavior of dynamic metabolites at single-cell resolution, however, how and to what extent environmental chemicals may influence or interfere embryogenesis largely remain unclear. Herein, a zero-sample-loss micro-biopsy-based mass spectrometric platform is presented for quantitative, chemo-selective, high-coverage, and minimal-destructive profiling of development-associated cis-diol metabolites, which are critical for signal transduction and epigenome regulation, at both cellular level and tissue level of Xenopus laevis. Using this platform, three extraordinary findings that are otherwise hard to achieve are revealed: 1) there are characteristically different cis-diol metabolic signatures among oocytes, anterior and posterior part of tailbud-stage embryos; 2) halogenated cis-diols heavily accumulate at the posterior part of tailbud-stage embryos of Xenopus laevis; 3) dimethachlon, a kind of exogenous fungicide that is widely used as pesticide, may be bio-transformed and accumulated in vertebrate animals in environment. Thus, this study opens a new avenue to simultaneously monitoring intercellular and intraembryonic heterogeneity of endogenous and exogenous metabolites, providing new insights into metabolic remolding during embryogenesis and putting a warning on potential environmental risk.
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Affiliation(s)
- Pengfei Li
- State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjingJiangsu210023China
| | - Song Gao
- State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjingJiangsu210023China
| | - Wanting Qu
- State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjingJiangsu210023China
| | - Ying Li
- State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjingJiangsu210023China
| | - Zhen Liu
- State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjingJiangsu210023China
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4
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Zhang J, Wu A, Guo L, Wu X, Xu C, Kuang H, Xu X. Nonalcoholic Fatty Liver Disease Development in Male Mice upon Exposure to Flubendiamide. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:2672-2682. [PMID: 38290497 DOI: 10.1021/acs.est.3c07181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Flubendiamide (FLU), a widely used diamide insecticide, has been observed to potentiate adipogenesis in 3T3-L1 preadipocytes in vitro. Whether exposure to FLU disrupts hepatic lipid homeostasis in mammals and induces visceral obesity, however, remains unclear. The aim of this study was to assess the effects of FLU when administered orally to male C57BL/6J mice under normal diet (ND) and high-fat diet (HFD) conditions. FLU accumulated at higher levels in the tissues of the HFD group than those of the ND group, indicating that an HFD contributed to the accumulation of lipophilic pesticides in vivo. Notably, FLU (logP = 4.14) is highly lipophilic and easily accumulates in fat. Exposure to FLU had opposing effects on the lipid metabolism of the liver in the ND and HFD groups. Liver triacylglycerol levels in the ND group were reduced, while those in the HFD group were increased, resulting in more severe hepatic steatosis. More lipid accumulation was also observed in HepG2 cells exposed to FLU. Changes in hepatic lipid deposition in vivo occurred as the enhanced transcriptional regulation of the genes involved in lipid uptake, de novo lipogenesis, and fatty acid β-oxidation (FAO). Moreover, an excessive increase in FAO caused oxidative stress, which in turn exacerbated the inflammation of the liver. This study revealed the disruptive effect of FLU exposure on hepatic lipid homeostasis, which may facilitate the triggering of nonalcoholic fatty liver disease in HFD-fed mice.
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Affiliation(s)
- Jia Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Aihong Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Lingling Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Xiaoling Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
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Bai J, Tan X, Tang S, Liu X, Shao L, Wang C, Huang L. Citrus p-Synephrine Improves Energy Homeostasis by Regulating Amino Acid Metabolism in HFD-Induced Mice. Nutrients 2024; 16:248. [PMID: 38257140 PMCID: PMC10818793 DOI: 10.3390/nu16020248] [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: 12/14/2023] [Revised: 01/07/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
p-Synephrine is a common alkaloid widely distributed in citrus fruits. However, the effects of p-synephrine on the metabolic profiles of individuals with energy abnormalities are still unclear. In the study, we investigated the effect of p-synephrine on energy homeostasis and metabolic profiles using a high fat diet (HFD)-induced mouse model. We found that p-synephrine inhibited the gain in body weight, liver weight and white adipose tissues weight induced by HFD. p-Synephrine supplementation also reduced levels of serum total cholesterol (TC), triglyceride (TG) and low-density lipoprotein cholesterol (LDL-C) but not to a statistically significant degree. Histological analysis showed that HFD induced excessive lipid accumulation and glycogen loss in the liver and adipocyte enlargement in perirenal fat tissue, while p-synephrine supplementation reversed the changes induced by HFD. Moreover, HFD feeding significantly increased mRNA expression levels of tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) and reduced the mRNA expression level of interleukin-10 (IL-10) compared to the control group, while p-synephrine supplementation significantly reversed these HFD-induced changes. Liver and serum metabolomic analysis showed that p-synephrine supplementation significantly altered small molecule metabolites in liver and serum in HFD mice and that the changes were closely associated with improvement of energy homeostasis. Notably, amino acid metabolism pathways, both in liver and serum samples, were significantly enriched. Our study suggests that p-synephrine improves energy homeostasis probably by regulating amino acid metabolism in HFD mice, which provides a novel insight into the action mechanism of p-synephrine modulating energy homeostasis.
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Affiliation(s)
- Junying Bai
- Citrus Research Institute, Southwest University, Chongqing 400700, China; (J.B.)
- National Citrus Engineering Research Center, Chongqing 400700, China
| | - Xiang Tan
- Citrus Research Institute, Southwest University, Chongqing 400700, China; (J.B.)
- National Citrus Engineering Research Center, Chongqing 400700, China
| | - Sheng Tang
- Citrus Research Institute, Southwest University, Chongqing 400700, China; (J.B.)
- National Citrus Engineering Research Center, Chongqing 400700, China
| | - Xin Liu
- Citrus Research Institute, Southwest University, Chongqing 400700, China; (J.B.)
- National Citrus Engineering Research Center, Chongqing 400700, China
| | - Linzi Shao
- Citrus Research Institute, Southwest University, Chongqing 400700, China; (J.B.)
- National Citrus Engineering Research Center, Chongqing 400700, China
| | - Chen Wang
- National Citrus Engineering Research Center, Chongqing 400700, China
- College of Food Science, Southwest University, Chongqing 400700, China
| | - Linhua Huang
- Citrus Research Institute, Southwest University, Chongqing 400700, China; (J.B.)
- National Citrus Engineering Research Center, Chongqing 400700, China
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6
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Wang Y, Wang Y, Agarry IE, Zhou C, Shi H, Zeng Q, Cai T, Chen K. Changes in toxicity after mixing imidacloprid and cadmium: enhanced, diminished, or both? From a perspective of oxidative stress, lipid metabolism, and amino acid metabolism in mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:111099-111112. [PMID: 37801250 DOI: 10.1007/s11356-023-29980-x] [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: 05/30/2023] [Accepted: 09/15/2023] [Indexed: 10/07/2023]
Abstract
Imidacloprid (IMI) and cadmium (Cd) are pollutants of concern in the environment. Although investigations about their combined toxicity to organisms such as earthworms, aquatic worms, Daphnia magna, and zebrafish have been carried out, their combined toxicity to mammals remains unknow. In this study, twenty-four 8-week-old mice were arbitrarily separated into 4 groups: CK (control group), IMI (15 mg/kg bw/day, 1/10 LD50), Cd (15 mg/kg bw/day, 1/10 LD50), and IMI + Cd (15 mg/kg bw/day IMI + 15 mg/kg bw/d Cd) and the combined toxic effects of IMI and Cd were examined with biochemical (oxidative stress testing) and omics approaches (metabolomics and lipidomics). The results revealed changes in each treatment group in terms of oxidative stress, abnormalities in lipid metabolism, and disturbances in amino acid metabolism. Co-administration had antagonistic effects on MDA accumulation and lipid metabolism disorders while acting synergistically on changes in SOD and GSH-Px activities. It is worth noting that after analysis, the changes caused by mixed administration in vivo were closer to those caused by IMI administration alone. This study provides new insights into the combined toxicity of neonicotinoids and heavy metals, which is helpful for relevant environmental governance and further investigations about their impacts on human health and the environment.
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Affiliation(s)
- Yuankai Wang
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing, 400715, People's Republic of China
- Laboratory of Quality & Safety Risk Assessment for Agro-products on Storage and Preservation (Chongqing), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Chongqing, 400715, People's Republic of China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing, 400715, People's Republic of China
| | - Yuankui Wang
- School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang, 471023, Henan Province, People's Republic of China
| | - Israel Emiezi Agarry
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing, 400715, People's Republic of China
- Laboratory of Quality & Safety Risk Assessment for Agro-products on Storage and Preservation (Chongqing), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Chongqing, 400715, People's Republic of China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing, 400715, People's Republic of China
- China-Hungary Cooperative Centre for Food Science, Chongqing, 400715, People's Republic of China
| | - Chunjie Zhou
- Chongqing Institute for Food and Drug Control, No. 1, Chunlan 2nd Road, Yubei, Chongqing, 401121, People's Republic of China
| | - Hui Shi
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing, 400715, People's Republic of China
- Laboratory of Quality & Safety Risk Assessment for Agro-products on Storage and Preservation (Chongqing), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Chongqing, 400715, People's Republic of China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing, 400715, People's Republic of China
- China-Hungary Cooperative Centre for Food Science, Chongqing, 400715, People's Republic of China
| | - Quanheng Zeng
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing, 400715, People's Republic of China
- Laboratory of Quality & Safety Risk Assessment for Agro-products on Storage and Preservation (Chongqing), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Chongqing, 400715, People's Republic of China
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing, 400715, People's Republic of China
| | - Tian Cai
- China-Hungary Cooperative Centre for Food Science, Chongqing, 400715, People's Republic of China
- School of Chemistry and Chemical Engineering, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing, 400715, People's Republic of China
| | - Kewei Chen
- College of Food Science, Southwest University, No. 2, Tiansheng Road, Beibei, Chongqing, 400715, People's Republic of China.
- Laboratory of Quality & Safety Risk Assessment for Agro-products on Storage and Preservation (Chongqing), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Chongqing, 400715, People's Republic of China.
- Chongqing Key Laboratory of Specialty Food Co-built by Sichuan and Chongqing, Chongqing, 400715, People's Republic of China.
- China-Hungary Cooperative Centre for Food Science, Chongqing, 400715, People's Republic of China.
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7
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Biodegradation of sulfoxaflor and photolysis of sulfoxaflor by ultraviolet radiation. Biodegradation 2023; 34:341-355. [PMID: 36808271 DOI: 10.1007/s10532-023-10020-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 02/06/2023] [Indexed: 02/21/2023]
Abstract
Sulfoxaflor (SUL, [N-[methyloxido[1-[6-(trifluoromethyl)-3-pyridinyl] ethyl]-λ4-sulfanylidene] cyanamide]) is a widely used systemic insecticide, and its residue has frequently been detected in the environment, posing a potential threat to the environment. In this study, Pseudaminobacter salicylatoxidans CGMCC 1.17248 rapidly converted SUL into X11719474 via a hydration pathway mediated by two nitrile hydratases (AnhA and AnhB). Extensive (96.4%) degradation of 0.83 mmol/L SUL was achieved by P. salicylatoxidans CGMCC 1.17248 resting cells within 30 min (half-life of SUL 6.4 min). Cell immobilization by entrapment into calcium alginate remediated 82.8% of the SUL in 90 min, and almost no SUL was observed in surface water after incubation for 3 h. P. salicylatoxidans NHases AnhA and AnhB both hydrolyzed SUL to X11719474, although AnhA exhibited much better catalytic performance. The genome sequence of P. salicylatoxidans CGMCC 1.17248 revealed that this strain could efficiently eliminate nitrile-containing insecticides and adapt to harsh environments. We firstly found that UV irradiation transforms SUL to the derivatives X11719474 and X11721061, and the potential reaction pathways were proposed. These results further deepen our understanding of the mechanisms of SUL degradation as well as the environmental fate of SUL.
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Xu L, Xu X, Kuang H, Liu Y, Xu C, Wu X. Transcriptomics and Metabolomics for Co-Exposure to a Cocktail of Neonicotinoids and the Synergist Piperonyl Butoxide. Anal Chem 2023; 95:3108-3118. [PMID: 36693709 DOI: 10.1021/acs.analchem.2c05754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Here, the transcriptomics and metabolomics on a model of exposure to a cocktail of neonicotinoids (Neo) containing seven commercial compounds and a synergist piperonyl butoxide (PBO) were established. The results showed that Neo and PBO disrupted mRNA and metabolite levels in a dose-dependent manner. Neo caused tryptophan pathway-related neurotoxicity, reduced lipolysis, and promoted fat mass accumulation in the liver, while PBO induced an increase in inflammatory factors and damage to intercellular membranes. Co-exposure enhanced Neo-induced liver steatosis, focal necrosis, and oxidative stress by inhibiting oxidative phosphorylation (OXPHOS). Furthermore, diglycerides and metabolic biomarkers demonstrated that the activation of insulin signaling is associated with restricted OXPHOS, which commonly leads to a high risk of non-alcoholic fatty liver disease (NAFLD) and Alzheimer's disease (AD) as the result of over-synthesis of lipids, low energy supply, and high thermogenesis. The study demonstrates that chronic disease can be induced by Neo and the synergist PBO at the molecular level.
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Affiliation(s)
- Liwei Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.,International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.,International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.,International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Ye Liu
- Chinese Academy of Medical Sciences and Peking Union Medical College, Institute of Medical Biology, No. 935, Jiaoling Road, Kunming 650000, Yunnan Province, China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.,International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Xiaoling Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.,International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.,Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
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9
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Zhu JJ, Guo T, Zhang ZW, Qian H, Tian P, Yu KY, Wu WJ, Zhang JW. Design, Synthesis, Insecticidal Activities and Molecular Docking of Sulfonamide Derivatives Containing Propargyloxy or Pyridine Groups. Chem Biodivers 2023; 20:e202201020. [PMID: 36536172 DOI: 10.1002/cbdv.202201020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/18/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
The discovery of new highly active molecules from natural products is a common method to create new pesticides. Celangulin V targeting Mythimna separate (M. separate) midgut V-ATPase H subunit, has received considerable attention for its excellent insecticidal activity and unique mechanism of action. Therefore, combined with our preliminary work, thirty-seven sulfonamide derivatives bearing propargyloxy or pyridine groups were systematically synthesized to search for insecticidal candidate compounds with low cost and high efficiency on the H subunit of V-ATPase. Bioactive results showed that compounds A2-A4 and A6-A7 exhibited a better bioactivity with median effective concentration (LC50 ) values (2.78, 3.11, 3.34, 3.54 and 2.48 mg/mL, respectively) against third-instar larvae of M. separate than Celangulin V (LC50 =18.1 mg/mL). Additionally, molecular docking experiments indicated that these molecules may act on the H subunit of V-ATPase. Based on the above results, these compounds provide new ideas for the discovery of insecticides.
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Affiliation(s)
- Jian-Jun Zhu
- College of Chemistry & Pharmacy, Northwest A&F University, Xian Yang Shi, Yangling, 712100, China
| | - Tao Guo
- College of Chemistry & Pharmacy, Northwest A&F University, Xian Yang Shi, Yangling, 712100, China
| | - Zi-Wei Zhang
- College of Chemistry & Pharmacy, Northwest A&F University, Xian Yang Shi, Yangling, 712100, China
| | - Hao Qian
- College of Chemistry & Pharmacy, Northwest A&F University, Xian Yang Shi, Yangling, 712100, China
| | - Peng Tian
- College of Chemistry & Pharmacy, Northwest A&F University, Xian Yang Shi, Yangling, 712100, China
| | - Ke-Yin Yu
- College of Chemistry & Pharmacy, Northwest A&F University, Xian Yang Shi, Yangling, 712100, China
| | - Wen-Jun Wu
- Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, China
| | - Ji-Wen Zhang
- College of Chemistry & Pharmacy, Northwest A&F University, Xian Yang Shi, Yangling, 712100, China.,Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling, 712100, China
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10
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Zhang J, Wang W, Guo D, Bai B, Bo T, Fan S. Antidiabetic Effect of Millet Bran Polysaccharides Partially Mediated via Changes in Gut Microbiome. Foods 2022; 11:foods11213406. [PMID: 36360018 PMCID: PMC9654906 DOI: 10.3390/foods11213406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/23/2022] [Accepted: 10/24/2022] [Indexed: 11/16/2022] Open
Abstract
Diabetes is a type of metabolic disease associated with changes in the intestinal flora. In this study, the regulatory effect of millet bran on intestinal microbiota in a model of type 2 diabetes (T2DM) was investigated in an effort to develop new approaches to prevent and treat diabetes and its complications in patients. The effect of purified millet bran polysaccharide (MBP) with three different intragastric doses (400 mg/kg, 200 mg/kg, and 100 mg/kg) combined with a high-fat diet was determined in a streptozotocin (STZ)-induced model of T2DM. By analyzing the changes in indicators, weight, fasting blood sugar, and other bio-physiological parameters, the changes in gut microbiota were analyzed via high-throughput sequencing to establish the effect of MBP on the intestinal flora. The results showed that MBP alleviated symptoms of high-fat diet-induced T2DM. A high dosage of MBP enhanced the hypoglycemic effects compared with low and medium dosages. During gavage, the fasting blood glucose (FBG) levels of rats in the MBP group were significantly reduced (p < 0.05). The glucose tolerance of rats in the MBP group was significantly improved (p < 0.05). In diabetic mice, MBP significantly increased the activities of CAT, SOD, and GSH-Px. The inflammatory symptoms of liver cells and islet cells in the MBP group were alleviated, and the anti-inflammatory effect was partially correlated with the dose of MBP. After 4 weeks of treatment with MBP, the indices of blood lipid in the MBP group were significantly improved compared with those of the DM group (p < 0.05). Treatment with MBP (400 mg/kg) increases the levels of beneficial bacteria and decreases harmful bacteria in the intestinal tract of rats, thus altering the intestinal microbial community and antidiabetic effect on mice with T2DM by modulating gut microbiota. The findings suggest that MBP is a potential pharmaceutical supplement for preventing and treating diabetes.
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Affiliation(s)
- Jinhua Zhang
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory of Research and Utilization of Characteristic Plant Resources, Shanxi University, Taiyuan 030006, China
| | - Wenjing Wang
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
| | - Dingyi Guo
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
| | - Baoqing Bai
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory of Research and Utilization of Characteristic Plant Resources, Shanxi University, Taiyuan 030006, China
| | - Tao Bo
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory of Research and Utilization of Characteristic Plant Resources, Shanxi University, Taiyuan 030006, China
| | - Sanhong Fan
- College of Life Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory of Research and Utilization of Characteristic Plant Resources, Shanxi University, Taiyuan 030006, China
- Correspondence:
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11
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Wang P, Xu X, Liu L, Song S, Kuang H, Xu C, Wu X. A colloidal gold immunochromatography for the detection of flumioxazin residues in fruits. J Food Sci 2022; 87:4538-4547. [DOI: 10.1111/1750-3841.16288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 06/26/2022] [Accepted: 07/22/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Peng Wang
- State Key Laboratory of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province Jiangnan University Wuxi Jiangsu People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province Jiangnan University Wuxi Jiangsu People's Republic of China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province Jiangnan University Wuxi Jiangsu People's Republic of China
| | - Shanshan Song
- State Key Laboratory of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province Jiangnan University Wuxi Jiangsu People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province Jiangnan University Wuxi Jiangsu People's Republic of China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province Jiangnan University Wuxi Jiangsu People's Republic of China
| | - Xiaoling Wu
- State Key Laboratory of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology Jiangnan University, Wuxi, Jiangsu 214122 People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province Jiangnan University Wuxi Jiangsu People's Republic of China
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12
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Sevgiler Y, Atli G. Sulfoxaflor, Zn 2+ and their combinations disrupt the antioxidant and osmoregulatory (Ca 2+-ATPase) system in Daphnia magna. J Trace Elem Med Biol 2022; 73:127035. [PMID: 35872469 DOI: 10.1016/j.jtemb.2022.127035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 06/13/2022] [Accepted: 07/06/2022] [Indexed: 12/19/2022]
Abstract
BACKGROUND The oxidative- and osmoregulatory stress-inducing potential of binary mixtures of sulfoxaflor (SUL), a recently developed sulfoximine insecticide, and Zn2+ was aimed to evaluate in Daphnia magna with different exposure regimes. METHODS Animals were exposed to different SUL concentrations (1.25, 2.5, 10, and 25 mg/L) for 7 days. In vivo 48 h and in vitro effects of single and binary mixtures of SUL (25 and 50 mg/L) and Zn2+ (40 µg/L) were also determined. Furthermore, Ca2+-ATPase, oxidative stress biomarkers (catalase, CAT; superoxide dismutase, SOD; glutathione peroxidase, GPX; glutathione S-transferase, GST; reduced glutathione, GSH; thiobarbituric acid reactive substances, TBARS), and morphometric characteristics were measured. RESULTS Variable response patterns were observed due to exposure duration and regime, toxicant type, and concentration. Marked effects of SUL were observed, especially in subacute exposure, and 25 mg/L SUL concentration can be considered as a threshold level. Stimulation of GST activity was the most typical response, followed by declined SOD activity and GSH levels. GPX activity and TBARS levels responded differently depending upon the exposure type. Subacute and in vitro effects of SUL and Zn2+ produced similar responses except for some cases. Ca2+-ATPase activity was altered differently upon subchronic duration, though inhibited by in vitro SUL+Zn effect. Subchronic SUL exposure increased body weight and length up to 25 mg/L, contrary to the observed decrease at higher concentrations. CONCLUSIONS Single and binary mixtures of SUL and Zn2+ caused damage to the antioxidant and osmoregulatory system due to their oxidative potential on cellular targets (biomarkers). The current data emphasized that investigating the SUL toxicity with the Zn2+ combination based on the multi-biomarker approach is essential in the realistic evaluation of SUL toxicity in toxicological research.
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Affiliation(s)
- Yusuf Sevgiler
- Adiyaman University, Faculty of Science and Letters, Department of Biology, Adiyaman, Turkey.
| | - Gülüzar Atli
- Çukurova University, Vocational School of İmamoğlu, Adana, Turkey; Çukurova University, Biotechnology Center, Adana, Turkey.
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13
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Mohamed WH, Ali MF, Yahia D, Hussein HA. Reproductive effects of sulfoxaflor in male Sprague Dawley rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:45751-45762. [PMID: 35149940 PMCID: PMC9209377 DOI: 10.1007/s11356-022-19006-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 01/28/2022] [Indexed: 06/14/2023]
Abstract
The study objective was to evaluate the potential reproductive toxicity of sulfoxaflor (SFX) insecticide in male Sprague Dawley rats. To attain these objectives, forty male Sprague Dawley rats of 10-12 weeks old were randomly divided into four equal groups; the 1st group was used as a control group; the other three groups were exposed to 25, 100, and 500 mg/kg body weight SFX by oral gavage for 4 weeks. Relative testicular weight, testosterone, FSH, LH, MDA, and GPx levels, sperm viability, sperm morphology, sperm DNA damage, and histopathological changes in testes, epididymis, and seminal vesical of these rats were investigated after 4 weeks. The results showed that SFX exposure resulted in a significant increase in FSH, LH, MDA, and GPx levels as well as the percentage of dead and abnormal sperms and DNA damage in rat sperms. Histopathological examination of testes established testicular degeneration with coagulative necrosis as well as the proliferation of interstitial connective tissue infiltrated with inflammatory cells with congestion of intertubular blood vessels in epididymis and degeneration of lining epithelium of seminal vesicles.
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Affiliation(s)
- Wafaa H Mohamed
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Aswan University, Aswan, Egypt.
| | - Marwa F Ali
- Department of Veterinary Pathology and Clinical Pathology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt
| | - Doha Yahia
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt
| | - Hassan A Hussein
- Department of Theriogenology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt
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14
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Profiles of Sterigmatocystin and Its Metabolites during Traditional Chinese Rice Wine Processing. BIOSENSORS 2022; 12:bios12040212. [PMID: 35448272 PMCID: PMC9028121 DOI: 10.3390/bios12040212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 03/28/2022] [Accepted: 03/31/2022] [Indexed: 12/02/2022]
Abstract
Mycotoxin pollution is widespread in cereal, which greatly threatens food security and human health. In this study, the migration and transformation of sterigmatocystin (STG) mycotoxin during the contaminated rice wine processing was systematically assessed. QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) coupled with ultrahigh-performance liquid chromatography coupled with tandem mass spectrometry (UPLC−MS/MS) method was firstly established for STG analysis in rice wine. It was found that high levels of rice leaven caused a significant reduction in STG in the fermented rice and wine, which was mainly due to the adsorption of yeast cells and Rhizopus biological degradation. However, compared with rice, the levels of STG in separated fermented wine was significantly decreased by 88.6%, possibly attributed to its high log Kow (3.81) and low water solubility (1.44 mg/L). The metabolites of STG (i.e., monohydroxy STG) were identified in rice wine fermentation for the first time. Moreover, STG disturbed the metabolic profile rice wine composition mainly by glycine, serine and threonine metabolism, alanine, aspartate and glutamate metabolism, purine metabolism pathway, particularly with regard to eight amino acids and sixteen lipids. This study elucidated the STG migration and transformation mechanism during the rice wine processing. The finding provided new analytical method for mycotoxin exposure and pollutant in food production, which may support agricultural production and food security.
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15
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Xu L, Xu X, Wu X, Kuang H, Xu C. Sex-Dependent Environmental Health Risk Analysis of Flupyradifurone. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:1841-1853. [PMID: 35041393 DOI: 10.1021/acs.est.1c07726] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Pesticides are used in agricultural production worldwide, resulting in widespread environmental pollution. Many diseases are closely related to exposure to pesticide residues. In this study, the association between exposure to the pesticide flupyradifurone (FPF), a substitute for neonicotinoids, and sex-dependent thyroid dysfunction was explored for the first time. Exposure using rat models revealed that the FPF metabolism is sex-dependent, with males preferring N-dealkylation and hydrolytic metabolism and females preferring hydroxylation. In particular, novel chloropyridine-site hydroxylation I and II metabolic pathways of FPF were discovered. More importantly, differential metabolic pathways of FPF induced sex-based dysregulation of the hypothalamic-pituitary-thyroid axis, in which females exhibited subclinical hyperthyroidism, while males displayed abnormal hypothyroidism. This may be attributed to the potential agonistic or antagonistic effect of FPF sex-dependent metabolites on liver thyroid hormone receptors. Furthermore, FPF exposure further mediated sex-specific dysregulation of cellular lipid homeostasis, with abnormal fatty acid β-oxidation and excessive energy expenditure in females and the risk of excessive accumulation of triglycerides in males. These results illustrate the potential risk of sex-related thyroid metabolic diseases caused by FPF and provide an important basis and support for further studies of FPF on human health and as an environmental pollutant.
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Affiliation(s)
- Liwei Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Xiaoling Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
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17
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Human metabolism and urinary excretion of seven neonicotinoids and neonicotinoid-like compounds after controlled oral dosages. Arch Toxicol 2021; 96:121-134. [PMID: 34642770 PMCID: PMC8748328 DOI: 10.1007/s00204-021-03159-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 09/07/2021] [Indexed: 12/15/2022]
Abstract
Few human data on exposure and toxicity are available on neonicotinoids and neonicotinoid-like compounds (NNIs), an important group of insecticides worldwide. Specifically, exposure assessment of humans by biomonitoring remains a challenge due to the lack of appropriate biomarkers. We investigated the human metabolism and metabolite excretion in urine of acetamiprid (ACE), clothianidin (CLO), flupyradifurone (FLUP), imidacloprid (IMI), sulfoxaflor (SULF), thiacloprid (THIAC) and thiamethoxam (THIAM) after single oral dosages at the currently acceptable daily intake levels of the European Food Safety Authority. Consecutive post-dose urine samples were collected up to 48 h. Suspect screening of tentative metabolites was carried out by liquid chromatography–high-resolution mass spectrometry. Screening hits were identified based on their accurate mass, isotope signal masses and ratios, product ion spectra, and excretion kinetics. We found, with the exception of SULF, extensive metabolization of NNIs to specific metabolites which were excreted next to the parent compounds. Overall, 24 metabolites were detected with signal intensities indicative of high metabolic relevance. Phase-I metabolites were predominantly derived by mono-oxidation (such as hydroxy-FLUP, -IMI, and -THIAC) and by oxidative N-desalkylation (such as N-desdifluoroethyl-FLUP and N-desmethyl-ACE, -CLO and -THIAM). IMI-olefin, obtained by dehydration of hydroxylated IMI, was identified as a major metabolite of IMI. SULF was excreted unchanged in urine. Previously reported metabolites of NNIs such as 6-chloronicotinic acid or 2-chlorothiazole-4-carboxylic acid and their glycine derivatives were detected either at low signal intensities or not at all and seem less relevant for human biomonitoring. Our highly controlled approach provides specific insight into the human metabolism of NNIs and suggests suitable biomarkers for future exposure assessment at environmentally relevant exposures.
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Shan T, Zhang X, Guo C, Guo S, Zhao X, Yuan Y, Yue T. Identity, Synthesis, and Cytotoxicity of Forchlorfenuron Metabolites in Kiwifruit. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:9529-9535. [PMID: 34382788 DOI: 10.1021/acs.jafc.1c02492] [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] [Indexed: 06/13/2023]
Abstract
Forchlorfenuron (CPPU) is a plant growth regulator widely used in kiwifruit production. Although research on the toxicological and environmental effects of CPPU is well-established, the nature and toxicological properties of its metabolites are much less well-known. Using high resolution mass spectrometry and nuclear magnetic resonance, the CPPU previously unidentified metabolites in Xuxiang and Jinyan kiwifruit were identified as N-(2-chloro-4-pyridinyl)-N'-(2-hydroxy-4-methoxyphenyl)-urea (metabolite 1) and N-phenyl-N'-4-pyridinylurea (metabolite 2, CAS: 1932-35-0). Their structures were confirmed by synthesis (metabolite 1) and by comparison with a commercial standard (metabolite 2). Quantitative studies demonstrate that CPPU and its metabolites are mainly retained in the kiwifruit peel, while the content is dependent on the nature of the peel surface, with the smoother peel of Jinyan kiwifruit retaining smaller amounts of the compound. Cell viability experiments in Caco2 and Lo2 cells show that the metabolites may have a lower cytotoxicity compared to the parent compound CPPU.
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Affiliation(s)
- Tingting Shan
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
- Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
- National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling 712100, China
| | - Xiao Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
- Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
- National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling 712100, China
| | - Chunfeng Guo
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
- Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
- National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling 712100, China
| | - Shihuan Guo
- College of Food Science and Technology, Northwest University, Xian 710000, China
| | - Xubo Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
- Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
- National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling 712100, China
| | - Yahong Yuan
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
- Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
- National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling 712100, China
| | - Tianli Yue
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China
- Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
- National Engineering Research Center of Agriculture Integration Test (Yangling), Yangling 712100, China
- College of Food Science and Technology, Northwest University, Xian 710000, China
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Xu L, Xu X, Guo L, Wang Z, Wu X, Kuang H, Xu C. Potential Environmental Health Risk Analysis of Neonicotinoids and a Synergist. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:7541-7550. [PMID: 33983014 DOI: 10.1021/acs.est.1c00872] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The extensive use of neonicotinoid pesticides has led to their widespread presence in the environment, resulting in considerable safety risks to the ecosystem and human health. In this study, we investigated the biotransformation behavior of a cocktail of multiple neonicotinoids and piperonyl butoxide (PBO) synergist in vivo and their potential environmental health risk. It was found that neonicotinoids with a cyano group, such as acetamiprid and thiacloprid, tended to accumulate in liver and spleen tissues, while others with nitro groups (imidacloprid, thiamethoxam, clothianidin, dinotefuran, and nitenpyram) were mostly excreted in urine. In the presence of the synergist PBO, the metabolism of neonicotinoids in vivo changed, mainly through the nitro reduction pathway, while a low abundance of related metabolites was observed in the conventional hydroxylation and demethylation metabolic pathways, due to inhibition of CYP450 enzymes by the synergist. Furthermore, DNA methylation damage in vivo was exacerbated by the induction of hydroxylamine metabolites formed in the intermediate process of neonicotinoid metabolism with the synergistic effect of PBO, which resulted in a higher level of the O6-methyldeoxyguanosine (O6-medG) biomarker in the liver. Therefore, during the comprehensive evaluation of pesticide environmental risks, attention should be paid not only to the co-exposure mode under real environmental conditions but also to the potential risks of intermediate metabolism and related intermediate metabolites. This study provides a referential strategy and theoretical support for the health risk assessment of co-exposure of chemicals.
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Affiliation(s)
- Liwei Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Lingling Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Zhongxing Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Xiaoling Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
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Bai J, Li T, Zhang W, Fan M, Qian H, Li Y, Wang L. Systematic assessment of oat β-glucan catabolism during in vitro digestion and fermentation. Food Chem 2021; 348:129116. [PMID: 33508610 DOI: 10.1016/j.foodchem.2021.129116] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 12/30/2020] [Accepted: 01/11/2021] [Indexed: 12/16/2022]
Abstract
β-Glucan as a component of grain cell walls is consumed daily. However, little is known about whether β-glucan is influenced by the gastrointestinal environment. In this study, we aim to investigate the integrated metabolic process of cereal β-glucan. In vitro simulated digestion and fermentation combined with microbiome and metabolome analysis were used to profile the metabolism of β-glucan. Intriguingly, we found that β-glucan was not hydrolyzed by digestive enzymes but partially degraded by gastric acid environment during in vitro digestion. Moreover, β-glucan was utilized by gut microbiota to produce acetate, propionate and butyrate, concurrently, the relative abundance of Lactobacillus significantly increased and Escherichia-Shigella significantly decreased. The correlation analysis between metabolomics datasets and microorganisms revealed that β-glucan catabolism was also accompanied by amino acid catabolism and linoleic acid biosynthesis. Our study offered a forceful basis for the further exploration of the role of β-glucan and gut microbiota in host health.
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Affiliation(s)
- Junying Bai
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Tingting Li
- Department of Food Science and Engineering, College of Light Industry and Food Engineering, Nanjing Forestry University, Jiangsu Province 210037, China
| | - Wenhui Zhang
- Institute of Food Science, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lasa 850000, China
| | - Mingcong Fan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Haifeng Qian
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yan Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Li Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
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