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Zhao J, Huang G, Fu Y, Lou Z, Yu H, Wang W, Mao D. Exposure to atrazine stimulates progesterone secretion and induces oxidative stress, inflammation, and apoptosis in the ovary of pseudopregnant rats. CHEMOSPHERE 2024; 356:141906. [PMID: 38583534 DOI: 10.1016/j.chemosphere.2024.141906] [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: 12/24/2023] [Revised: 03/04/2024] [Accepted: 04/03/2024] [Indexed: 04/09/2024]
Abstract
Atrazine (ATR) is one of the most commonly used herbicides worldwide. As an endocrine disruptor, it causes ovarian dysfunction, but the mechanism is unclear. We hypothesized that ATR could affect ovarian steroidogenesis, oxidative stress, inflammation, and apoptosis. In the current study, rats aged 28 days were treated with PMSG and HCG to obtain amounts of corpora lutea. Then, rats were injected with ATR (50 mg/kg/day) or saline (0.9%) for 7 days. Sera were collected to detect biochemical indices and progesterone (P4) level, ovaries were collected for antioxidant status, HE, qPCR, and WB analysis. Results showed that ATR exposure affected growth performance as well as serum TP, GLB, and ALB levels, increased serum P4 level and ovarian mRNA and protein levels of StAR, CYP11A1, and HSD3B. ATR treatment increased ovarian mRNA and protein levels of CREB but not PKA expression. ATR treatment increased ovarian mRNA abundances of Nrf-2 and Nqo1, MDA level, and decreased SOD, GST, and T-AOC levels. ATR exposure increased the mRNA abundances of pro-inflammatory cytokines including Tnf-α, Il-1β, Il-6, Il-18, and Inos. ATR exposure increased the mRNA and protein level of Caspase 3 and the ratio of BAX/BCL-2. In conclusion, NRF-2/NQO1 signaling pathway and CREB might be involved in the regulation of ATR in luteal steroidogenesis, oxidative stress, inflammation, and apoptosis in rat ovary.
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Affiliation(s)
- Jie Zhao
- Nanjing Agricultural University, Nanjing, 210095, China
| | | | - Yuting Fu
- Nanjing Agricultural University, Nanjing, 210095, China
| | - Zhangbo Lou
- Nanjing Agricultural University, Nanjing, 210095, China
| | - Hao Yu
- Nanjing Agricultural University, Nanjing, 210095, China
| | - Wei Wang
- Nanjing Agricultural University, Nanjing, 210095, China
| | - Dagan Mao
- Nanjing Agricultural University, Nanjing, 210095, China.
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2
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Akram M, Ali SA, Kaul G. Probiotic and prebiotic supplementation ameliorates chronic restraint stress-induced male reproductive dysfunction. Food Funct 2023; 14:8558-8574. [PMID: 37661714 DOI: 10.1039/d3fo03153e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
Restraint stress (RS) can induce male reproductive deficits by activating the hypothalamic-pituitary-adrenal (HPA) axis and causing oxidative stress. Previous studies have shown that probiotics can alleviate neurological and metabolic disorders induced by stress. However, the effects of probiotics on RS-induced reproductive deficits have not been fully elucidated. This study aimed to investigate whether Lactobacillus rhamnosus NCDC-610 (Probiotic-1) and Lactobacillus fermentum NCDC-400 (Probiotic-2) with prebiotic (fructooligosaccharides (FOS)) could prevent RS-induced reproductive deficits. C57BL6/J mice were subjected to RS for four hours daily before oral administration of probiotics (4 × 109 CFU per mice) either separately or concurrently with FOS. The results showed that oral administration of Probiotic-1 and Probiotic-2 protected against RS-induced sperm deficits, including sperm count, motility, morphology, and histopathology of testes, and improved intestinal health. Furthermore, Probiotic-1 and Probiotic-2 prevented RS-induced changes in testosterone levels by up-regulating the expressions of steroidogenic acute regulatory protein (StAR), cytochrome P450 side-chain cleavage enzyme (P450scc), and 17β-hydroxysteroid dehydrogenase (17βHSD) in the testes. Additionally, Probiotic-1 and Probiotic-2 increased the activities of catalase and superoxide dismutase and reduced the fold change of interleukin-6 (IL-6), interleukin-10 (IL-10), and tumor necrosis factor-alpha (TNF-α), indicating a protective effect against RS-induced oxidative stress. Oral administration of Probiotic-1 and Probiotic-2, either separately or concurrently with FOS (probiotic dose of 4 × 109 CFU per mice and prebiotic 5% w/v), prevented RS-induced activation of the HPA axis and improved male fertility. These findings suggest that L. rhamnosus NCDC-610 and L. fermentum NCDC-400 are safe and effective probiotics for mitigating stress-induced male reproductive deficits.
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Affiliation(s)
- Mohd Akram
- Semen Biology Lab, Animal Biochemistry Division, National Dairy Research Institute, Haryana, India.
| | - Syed Azmal Ali
- Cell Biology and Proteomics Lab, National Dairy Research Institute, Haryana, India
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Gautam Kaul
- Semen Biology Lab, Animal Biochemistry Division, National Dairy Research Institute, Haryana, India.
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3
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Wang L, Meng Q, Wang H, Huang X, Yu C, Yin G, Wang D, Jiang H, Huang Z. Luman regulates the activity of the LHCGR promoter. Res Vet Sci 2023; 161:132-137. [PMID: 37384971 DOI: 10.1016/j.rvsc.2023.06.014] [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: 07/09/2021] [Revised: 06/15/2023] [Accepted: 06/19/2023] [Indexed: 07/01/2023]
Abstract
Testosterone in male mammals is mainly secreted by testicular Leydig cells, and its secretion process is regulated by the hypothalamic-pituitary-gonadal axis. After receiving the luteinizing hormone (LH) stimulus signal, the lutropin/choriogonadotropin receptor (LHCGR) on the Leydig cell membrane transfers the signal into the cell and finally increases the secretion of testosterone by upregulating the expression of steroid hormone synthase. In previous experiments, we found that interfering with the expression of the Luman protein can significantly increase testosterone secretion in MLTC-1 cells. In this experiment, we found that knockdown of Luman in MLTC-1 cells significantly increased the concentration of cAMP and upregulated the expression of AC and LHCGR. Moreover, an analysis of the activity of the LHCGR promoter by a dual luciferase reporter system showed that knockdown of Luman increased the activity of the LHCGR promoter. Therefore, we believe that knockdown of Luman increased the activity of the LHCGR promoter and upregulated the expression of LHCGR, thereby increasing the concentration of intracellular cAMP and ultimately leading to an increase of testosterone secretion by MLTC-1 cells.
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Affiliation(s)
- Lei Wang
- Engineering Laboratory of Animal Pharmaceuticals, College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, PR China.
| | - Qingrui Meng
- Engineering Laboratory of Animal Pharmaceuticals, College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, PR China
| | - Hailun Wang
- Engineering Laboratory of Animal Pharmaceuticals, College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, PR China
| | - Xiaoyu Huang
- Engineering Laboratory of Animal Pharmaceuticals, College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, PR China
| | - Chunchen Yu
- Engineering Laboratory of Animal Pharmaceuticals, College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, PR China
| | - Guangwen Yin
- Engineering Laboratory of Animal Pharmaceuticals, College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, PR China
| | - Dengfeng Wang
- Engineering Laboratory of Animal Pharmaceuticals, College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, PR China
| | - Heji Jiang
- Engineering Laboratory of Animal Pharmaceuticals, College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, PR China
| | - Zhijian Huang
- Engineering Laboratory of Animal Pharmaceuticals, College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, PR China.
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4
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Zhao X, Wang Q, Li X, Xu H, Ren C, Yang Y, Xu S, Wei G, Duan Y, Tan Z, Fang Y. Norgestrel causes digestive gland injury in the clam Mactra veneriformis: An integrated histological, transcriptomics, and metabolomics study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 871:162110. [PMID: 36764532 DOI: 10.1016/j.scitotenv.2023.162110] [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: 10/23/2022] [Revised: 01/13/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
The potential adverse effects of progestins on aquatic organisms, especially non-target species, are of increasing concern worldwide. However, the effect and mechanism of progestin toxicity on aquatic invertebrates remain largely unexplored. In the present study, clams Mactra veneriformis were exposed to norgestrel (NGT, 0, 10, and 1000 ng/L), the dominant progestin detected in the aquatic environment, for 21 days. NGT accumulation, histology, transcriptome, and metabolome were assessed in the digestive gland. The bioconcentration factor (BCF) was 386 and 268 in the 10 ng/L NGT group and 1000 ng/L NGT group, respectively, indicating efficient accumulation of NGT in the clams. Histological analysis showed that NGT led to the swelling of epithelial cells and blurring of the basement membrane in the digestive gland. Differentially-expressed genes and KEGG pathway enrichment analysis using a transcriptomic approach suggested that NGT primarily disturbed the detoxification system, antioxidant defense, carbohydrate and amino acid metabolism, and steroid hormone metabolism, which was consistent with the metabolites analyzed using a metabolomic approach. Furthermore, we speculated that the oxidative stress caused by NGT resulted in histological damage to the digestive gland. This study showed that NGT caused adverse effects in the clams and sheds light on the mechanisms of progestin interference in aquatic invertebrates.
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Affiliation(s)
- Xiaoran Zhao
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Qing Wang
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, PR China
| | - Xiangfei Li
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Hua Xu
- Yantai Ecological Environment Monitoring Center, Shandong Province, Yantai 264010, PR China
| | - Chuanbo Ren
- Shandong Provincial Key Laboratory of Restoration for Marine Ecology, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China
| | - Yanyan Yang
- Shandong Provincial Key Laboratory of Restoration for Marine Ecology, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China
| | - Shuhao Xu
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Guoxing Wei
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Yujun Duan
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Zhitao Tan
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Yan Fang
- School of Agriculture, Ludong University, Yantai 264025, PR China.
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5
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Hou K, Yang Y, Zhu L, Wu R, Du Z, Li B, Zhu L, Sun S. Toxicity evaluation of chlorpyrifos and its main metabolite 3,5,6-trichloro-2-pyridinol (TCP) to Eisenia fetida in different soils. Comp Biochem Physiol C Toxicol Pharmacol 2022; 259:109394. [PMID: 35697281 DOI: 10.1016/j.cbpc.2022.109394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/29/2022] [Accepted: 06/08/2022] [Indexed: 11/26/2022]
Abstract
The present study utilized a biomarker response method to evaluate the effect of 3,5,6-trichloro-2-pyridinol (TCP) in artificial and natural soils on Eisenia fetida after 7, 14, 28, 42 and 56 days exposure. Results indicated that TCP induced excessive reactive oxygen species, caused oxidative stress and DNA damage to Eisenia fetida. Biomarker responses were standardized to calculate the Integrated Biomarker Response (IBR) index. The IBR index of three enzymes (superoxide dismutase, catalase and glutathione S-transferase) activities showed that TCP induced the oxidative stress to E. fetida in red clay was stronger than in the other three soils. Specifically, chlorpyrifos exposure group showed a lower toxicity than TCP exposure group after 28 days exposure but a higher toxicity than TCP exposure group after 56 days exposure. Despite the deficiencies of this study, the above information is of great significance for assessing the risk of chlorpyrifos and its metabolite TCP pollution in soil ecosystems.
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Affiliation(s)
- Kaixuan Hou
- College of Resources and Environment, Shandong Agricultural University, Key Laboratory of Agricultural Environment in Universities of Shandong, 61 Daizong Road, Taian 271018, PR China
| | - Yue Yang
- College of Food Science and Engineering, Shandong Agricultural University, Taian 271018, China
| | - Lei Zhu
- College of Resources and Environment, Shandong Agricultural University, Key Laboratory of Agricultural Environment in Universities of Shandong, 61 Daizong Road, Taian 271018, PR China
| | - Ruolin Wu
- College of Resources and Environment, Shandong Agricultural University, Key Laboratory of Agricultural Environment in Universities of Shandong, 61 Daizong Road, Taian 271018, PR China
| | - Zhongkun Du
- College of Resources and Environment, Shandong Agricultural University, Key Laboratory of Agricultural Environment in Universities of Shandong, 61 Daizong Road, Taian 271018, PR China.
| | - Bing Li
- College of Resources and Environment, Shandong Agricultural University, Key Laboratory of Agricultural Environment in Universities of Shandong, 61 Daizong Road, Taian 271018, PR China
| | - Lusheng Zhu
- College of Resources and Environment, Shandong Agricultural University, Key Laboratory of Agricultural Environment in Universities of Shandong, 61 Daizong Road, Taian 271018, PR China.
| | - Shujuan Sun
- College of Resources and Environment, Shandong Agricultural University, Key Laboratory of Agricultural Environment in Universities of Shandong, 61 Daizong Road, Taian 271018, PR China.
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Yuan S, Yang F, Yu H, Xie Y, Guo Y, Yao W. Degradation mechanism and toxicity assessment of chlorpyrifos in milk by combined ultrasound and ultraviolet treatment. Food Chem 2022; 383:132550. [PMID: 35413755 DOI: 10.1016/j.foodchem.2022.132550] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 02/14/2022] [Accepted: 02/22/2022] [Indexed: 11/19/2022]
Abstract
The aim of this study was to compare the degradation kinetics of chlorpyrifos by treatment with ultrasound (US), ultraviolet radiation (UV) and a combination of both (US/UV), to evaluate the toxicity of the degradation products and the effect of the treatments on milk quality. US/UV markedly accelerated the degradation of chlorpyrifos. The half-life of chlorpyrifos by US/UV was 6.4 min, which was greatly shortened compared to the treatment with US or UV alone. Five degradation products were identified by GC-MS, and a degradation pathway for chlorpyrifos was proposed, based on density functional theory calculations. According to the luminescent bacteria test and predictions from a structure/activity relationship model, the toxicity of the degradation products was lower than that of chlorpyrifos. In addition, US/UV treatment had little effect on the quality of the treated milk. Therefore, US/UV can be used as a potential non-thermal processing method to degrade pesticide residues in milk.
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Affiliation(s)
- Shaofeng Yuan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China
| | - Fangwei Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China
| | - Hang Yu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China
| | - Yunfei Xie
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China
| | - Yahui Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China
| | - Weirong Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu Province, China.
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7
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Fu H, Tan P, Wang R, Li S, Liu H, Yang Y, Wu Z. Advances in organophosphorus pesticides pollution: Current status and challenges in ecotoxicological, sustainable agriculture, and degradation strategies. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127494. [PMID: 34687999 DOI: 10.1016/j.jhazmat.2021.127494] [Citation(s) in RCA: 86] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/05/2021] [Accepted: 10/09/2021] [Indexed: 06/13/2023]
Abstract
Organophosphorus pesticides (OPPs) are one of the most widely used types of pesticide that play an important role in the production process due to their effects on preventing pathogen infection and increasing yield. However, in the early development and application of OPPs, their toxicological effects and the issue of environmental pollution were not considered. With the long-term overuse of OPPs, their hazards to the ecological environment (including soil and water) and animal health have attracted increasing attention. Therefore, this review first clarified the classification, characteristics, applications of various OPPs, and the government's restriction requirements on various OPPs. Second, the toxicological effects and metabolic mechanisms of OPPs and their metabolites were introduced in organisms. Finally, the existing methods of degrading OPPs were summarized, and the challenges and further addressing strategy of OPPs in the sustainable development of agriculture, the environment, and ecology were prospected. However, methods to solve the environmental and ecological problems caused by OPPs from the three aspects of use source, use process, and degradation methods were proposed, which provided a theoretical basis for addressing the stability of the ecological environment and improving the structure of the pesticide industry in the future.
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Affiliation(s)
- Huiyang Fu
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Peng Tan
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Renjie Wang
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Senlin Li
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Haozhen Liu
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Ying Yang
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China.
| | - Zhenlong Wu
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China.
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8
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Lin X, Zhang Z, Wu B, Liu J. Temporal variability of organophosphate insecticide metabolites over one year in Chinese adults. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 796:149041. [PMID: 34328903 DOI: 10.1016/j.scitotenv.2021.149041] [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: 04/28/2021] [Revised: 07/10/2021] [Accepted: 07/10/2021] [Indexed: 06/13/2023]
Abstract
Organophosphate (OP) insecticides widely used worldwide are a class of non-persistent pollutants with a short biological half-life. Most OP insecticides are rapidly metabolized in the human body to six dialkyl phosphate metabolites (DAPs), of which urinary concentrations are usually used to assess OP insecticide exposures. In this study, to understand the reliability of a single measurement of OP insecticide metabolites in representing a true longer-term average exposure, we investigated the temporal variability of urinary DAPs over one year in 114 Chinese adults aged 18-30. The detection rates for all six DAP metabolites exceeded 98%. The intraclass correlation coefficients (ICCs) of DAPs indicated poor (ICC < 0.4) to fair (ICC = 0.4-0.75) reproducibility in spot urine samples over one week, month, or year. Log-transformed DAP metabolites requested 2-12 spot urine samples per subject to offer a reliable estimate of OP insecticide exposures over several months or one year. The sensitivity and specificity for predicting subjects with the one-year average OP insecticide exposure in the highest tertile with one, two, or three urine samples varied from 0.25 to 0.991, 0.491 to 0.966, respectively. We recommend at least 3 spot urine samples for the assessment of one-year OP insecticide exposure by using log-transformed DAPs. This study offers a reference for an appropriate evaluation of a relatively long-period exposure to OP insecticides in biomonitoring and epidemiological studies.
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Affiliation(s)
- Xuan Lin
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Institute of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhe Zhang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Binbin Wu
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jing Liu
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Institute of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
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9
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Liang YJ, Long DX, Xu MY, Wang HP, Sun YJ, Wu YJ. Body fluids from the rat exposed to chlorpyrifos induce cytotoxicity against the corresponding tissue-derived cells in vitro. BMC Pharmacol Toxicol 2021; 22:60. [PMID: 34670615 PMCID: PMC8527830 DOI: 10.1186/s40360-021-00531-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 09/22/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND This study aims to establish an in vitro monitoring approach to evaluate the pesticide exposures. We studied the in vitro cytotoxicity of three different body fluids of rats to the respective corresponding tissue-derived cells. METHODS Wistar rats were orally administrated daily with three different doses of chlorpyrifos (1.30, 3.26, and 8.15 mg/kg body weight/day, which is equal to the doses of 1/125, 1/50, and 1/20 LD50, respectively) for consecutive 90 days. Blood samples as well as 24-hour urine and fecal samples were collected and processed. Then, urine, serum, and feces samples were used to treat the correspondent cell lines, i.e., T24 bladder cancer cells, Jurkat lymphocytes, and HT-29 colon cancer cells respectively, which derived from the correspondent tissues that could interact with the respective corresponding body fluids in organism. Cell viability was determined by using MTT or trypan blue staining. RESULTS The results showed that urine, serum, and feces extract of the rats exposed to chlorpyrifos displayed concentration- and time-dependent cytotoxicity to the cell lines. Furthermore, we found that the cytotoxicity of body fluids from the exposed animals was mainly due to the presence of 3, 4, 5-trichloropyrindinol, the major toxic metabolite of chlorpyrifos. CONCLUSIONS These findings indicated that urine, serum, and feces extraction, especially urine, combining with the corresponding tissue-derived cell lines as the in vitro cell models could be used to evaluate the animal exposure to pesticides even at the low dose with no apparent toxicological signs in the animals. Thus, this in vitro approach could be served as complementary methodology to the existing toolbox of biological monitoring of long-term and low-dose exposure to environmental pesticide residues in practice.
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Affiliation(s)
- Yu-Jie Liang
- Department of Veterinary Medicine and Animal Science, Beijing University of Agriculture, 102206, Beijing, PR China
- Laboratory of Molecular Toxicology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, PR China
| | - Ding-Xin Long
- Laboratory of Molecular Toxicology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, PR China
- School of Public Health, University of South China, 421001, Hengyang, P. R. China
| | - Ming-Yuan Xu
- Laboratory of Molecular Toxicology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, PR China
| | - Hui-Ping Wang
- Laboratory of Molecular Toxicology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, PR China
| | - Ying-Jian Sun
- Department of Veterinary Medicine and Animal Science, Beijing University of Agriculture, 102206, Beijing, PR China.
| | - Yi-Jun Wu
- Laboratory of Molecular Toxicology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, PR China.
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10
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Zhao GP, Wang XY, Li JW, Wang R, Ren FZ, Pang GF, Li YX. Imidacloprid increases intestinal permeability by disrupting tight junctions. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 222:112476. [PMID: 34214772 DOI: 10.1016/j.ecoenv.2021.112476] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 06/09/2021] [Accepted: 06/27/2021] [Indexed: 06/13/2023]
Abstract
The neonicotinoid pesticide, imidacloprid (IMI), is frequently detected in the environment and in foods. It is absorbed and metabolized by the intestine; however, its effects on intestinal barrier integrity are not well studied. We investigated whether IMI disrupts the permeability of the intestinal epithelial barrier via in vivo tests on male Wistar rats, in vitro assays using the human intestinal epithelial cell line, Caco-2, and in silico analyses. A repeated oral dose 90-day toxicity study was performed (0.06 mg/kg body weight/day). IMI exposure significantly increased intestinal permeability, which led to significantly elevated serum levels of endotoxin and inflammatory biomarkers (tumor necrosis factor-alpha and interleukin-1 beta) without any variation in body weight. Decreased transepithelial electrical resistance with increased permeability was also observed in 100 nM and 100 μM IMI-treated Caco-2 cell monolayers. Amounts of tight junction proteins in IMI-treated colon tissues and between IMI-treated Caco-2 cells were significantly lower than those of controls. Increased levels of myosin light chain phosphorylation, myosin light chain kinase (MLCK), and p65 subunit of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB p65) phosphorylation were found in IMI-exposed cells compared with control cells. Furthermore, the barrier loss caused by IMI was rescued by the MLCK inhibitor, ML-7, and cycloheximide. Pregnane X receptor (PXR, NR1I2) was inhibited by low-dose IMI treatment. In silico analysis indicated potent binding sites between PXR and IMI. Together, these data illustrate that IMI induces intestinal epithelial barrier disruption and produces an inflammatory response, involving the down-regulation of tight junctions and disturbance of the PXR-NF-κB p65-MLCK signaling pathway. The intestinal barrier disruption caused by IMI deserves attention in assessing the safety of this neonicotinoid pesticide.
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Affiliation(s)
- Guo-Ping Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Xiao-Yu Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Jin-Wang Li
- School of Food and Health, Beijing Technology and Business University, Beijing 100048, China
| | - Ran Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Fa-Zheng Ren
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Guo-Fang Pang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Yi-Xuan Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China.
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11
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Nittoli V, Colella M, Porciello A, Reale C, Roberto L, Russo F, Russo NA, Porreca I, De Felice M, Mallardo M, Ambrosino C. Multi Species Analyses Reveal Testicular T3 Metabolism and Signalling as a Target of Environmental Pesticides. Cells 2021; 10:cells10092187. [PMID: 34571837 PMCID: PMC8471965 DOI: 10.3390/cells10092187] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 08/20/2021] [Accepted: 08/22/2021] [Indexed: 12/30/2022] Open
Abstract
Thyroid hormones (THs) regulate many biological processes in vertebrates, including reproduction. Testicular somatic and germ cells are equipped with the arrays of enzymes (deiodinases), transporters, and receptors necessary to locally maintain the optimal level of THs and their signalling, needed for their functions and spermatogenesis. Pesticides, as chlorpyrifos (CPF) and ethylene thiourea (ETU), impair the function of thyroid and testis, affecting male fertility. However, their ability to disarrange testicular T3 (t-T3) metabolism and signalling is poorly considered. Here, a multi-species analysis involving zebrafish and mouse suggests the damage of t-T3 metabolism and signalling as a mechanism of gonadic toxicity of low-doses CPF and ETU. Indeed, the developmental exposure to both compounds reduces Dio2 transcript in both models, as well as in ex-vivo cultures of murine seminiferous tubules, and it is linked to alteration of steroidogenesis and germ cell differentiation. A major impact on spermatogonia was confirmed molecularly by the expression of their markers and morphologically evidenced in zebrafish. The results reveal that in the adopted models, exposure to both pesticides alters the t-T3 metabolism and signalling, affecting the reproductive capability. Our data, together with previous reports suggest zebrafish as an evaluable model in assessing the action of compounds impairing locally T3 signalling.
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Affiliation(s)
- Valeria Nittoli
- Biogem, Istituto di Biologia e Genetica Molecolare, Via Camporeale, 83031 Ariano Irpino (AV), Italy; (V.N.); (M.C.); (A.P.); (C.R.); (L.R.); (F.R.); (N.A.R.); (I.P.)
| | - Marco Colella
- Biogem, Istituto di Biologia e Genetica Molecolare, Via Camporeale, 83031 Ariano Irpino (AV), Italy; (V.N.); (M.C.); (A.P.); (C.R.); (L.R.); (F.R.); (N.A.R.); (I.P.)
- Department of Science and Technology, University of Sannio, 82100 Benevento, Italy
- Laboratory of Pre-Clinical and Translational Research, IRCCS, Referral Cancer Center of Basilicata, 85028 Potenza, Italy
| | - Alfonsina Porciello
- Biogem, Istituto di Biologia e Genetica Molecolare, Via Camporeale, 83031 Ariano Irpino (AV), Italy; (V.N.); (M.C.); (A.P.); (C.R.); (L.R.); (F.R.); (N.A.R.); (I.P.)
| | - Carla Reale
- Biogem, Istituto di Biologia e Genetica Molecolare, Via Camporeale, 83031 Ariano Irpino (AV), Italy; (V.N.); (M.C.); (A.P.); (C.R.); (L.R.); (F.R.); (N.A.R.); (I.P.)
| | - Luca Roberto
- Biogem, Istituto di Biologia e Genetica Molecolare, Via Camporeale, 83031 Ariano Irpino (AV), Italy; (V.N.); (M.C.); (A.P.); (C.R.); (L.R.); (F.R.); (N.A.R.); (I.P.)
| | - Filomena Russo
- Biogem, Istituto di Biologia e Genetica Molecolare, Via Camporeale, 83031 Ariano Irpino (AV), Italy; (V.N.); (M.C.); (A.P.); (C.R.); (L.R.); (F.R.); (N.A.R.); (I.P.)
| | - Nicola A. Russo
- Biogem, Istituto di Biologia e Genetica Molecolare, Via Camporeale, 83031 Ariano Irpino (AV), Italy; (V.N.); (M.C.); (A.P.); (C.R.); (L.R.); (F.R.); (N.A.R.); (I.P.)
| | - Immacalata Porreca
- Biogem, Istituto di Biologia e Genetica Molecolare, Via Camporeale, 83031 Ariano Irpino (AV), Italy; (V.N.); (M.C.); (A.P.); (C.R.); (L.R.); (F.R.); (N.A.R.); (I.P.)
| | - Mario De Felice
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples “Federico II”, 59100 Naples, Italy;
- IEOS-CNR, 80131 Naples, Italy
| | - Massimo Mallardo
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples “Federico II”, 59100 Naples, Italy;
- Correspondence: (M.M.); (C.A.)
| | - Concetta Ambrosino
- Biogem, Istituto di Biologia e Genetica Molecolare, Via Camporeale, 83031 Ariano Irpino (AV), Italy; (V.N.); (M.C.); (A.P.); (C.R.); (L.R.); (F.R.); (N.A.R.); (I.P.)
- Department of Science and Technology, University of Sannio, 82100 Benevento, Italy
- IEOS-CNR, 80131 Naples, Italy
- Correspondence: (M.M.); (C.A.)
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12
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Gao H, Li J, Zhao G, Li Y. 3,5,6-trichloro-2-pyridinol intensifies the effect of chlorpyrifos on the paracrine function of Sertoli cells by preventing binding of testosterone and the androgen receptor. Toxicology 2021; 460:152883. [PMID: 34352351 DOI: 10.1016/j.tox.2021.152883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 07/01/2021] [Accepted: 07/30/2021] [Indexed: 11/25/2022]
Abstract
3,5,6-Trichloro-2-pyridinol (TCP) is an important biomarker and one of the final metabolites of chlorpyrifos (CPF). TCP inhibits secretion of sex hormones. Similar to CPF, TCP can bind to sex steroid hormone receptors and decrease the secretion of sex hormones. However, little attention has been paid to the ability of TCP and CPF to interfere with androgen receptor (AR) in Sertoli cells. This study aimed to explain how TCP promotes the inhibitory effect of CPF on the paracrine function of Sertoli cells. Western blotting indicated that after 20 weeks of exposure, expression of AR in testes was significantly reduced by CPF. An in vitro assay measured the cytotoxicity of CPF, TCP and diethylphosphate (DEP) on viability of Sertoli cells by Cell Counting Kit-8. CPF cytotoxicity was greater than that of TCP, and TCP cytotoxicity was greater than that of DEP at concentrations of 1000 μmol/L. Western blotting indicated that TCP and CPF both decreased expression of AR and cAMP-response element binding protein phosphorylation, while DEP had no effect in Sertoli cells, which are important in regulating paracrine function of Sertoli cells. The fluorescence measurements and docking studies revealed that testosterone, CPF and TCP showed four types of intermolecular interactions with AR, highlighting alkyl bonds with some of the same amino acids. Compared with testosterone, CPF and TCP also showed significant synergistic interaction with AR. CPF interacted with more amino acids and interaction energy than TCP did. This research elucidates TCP in the antiandrogenic effect of CPF on the paracrine function and suggests that TCP or chemicals with a trichloropyridine structure must be considered during reproductive toxicity assessment of potential environmental pollutants.
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Affiliation(s)
- Haina Gao
- School of Food and Health, Beijing Technology and Business University, Beijing, 100048, China
| | - Jinwang Li
- School of Food and Health, Beijing Technology and Business University, Beijing, 100048, China.
| | - Guoping Zhao
- Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing, 100083, China
| | - Yixuan Li
- Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing, 100083, China
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13
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Yin X, Fang B, Zhang X, Li J, Li Y. Salt‐assisted acetonitrile extraction and HPLC‐QTOF‐MS/MS detection for residues of multiple classes of pesticides in human serum samples. J Sep Sci 2020; 43:3534-3545. [DOI: 10.1002/jssc.201901223] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Revised: 06/20/2020] [Accepted: 06/24/2020] [Indexed: 12/23/2022]
Affiliation(s)
- Xue‐feng Yin
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional EngineeringChina Agricultural University Beijing P. R. China
| | - Bing Fang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional EngineeringChina Agricultural University Beijing P. R. China
| | - Xiao‐xu Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional EngineeringChina Agricultural University Beijing P. R. China
| | - Jin‐wang Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional EngineeringChina Agricultural University Beijing P. R. China
| | - Yi‐xuan Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional EngineeringChina Agricultural University Beijing P. R. China
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