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Tao D, Wang Y, Liu J, Chen R, Qi M, Xu S. Mechanism of CuSO 4 cytotoxicity in goat erythrocytes after high-level in vitro exposure to isotonic media. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 208:111730. [PMID: 33396061 DOI: 10.1016/j.ecoenv.2020.111730] [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: 08/20/2020] [Revised: 11/22/2020] [Accepted: 11/25/2020] [Indexed: 06/12/2023]
Abstract
Copper (Cu) is a common environmental pollutant in nature. Cu-poisoning can cause liver damage and erythrocytes hemolysis. To evaluate the effect of CuSO4 poisoning on the morphological and functional characteristics of goat red blood cells. Five 10-14-month-old goats were selected for jugular vein blood sampling to obtain erythrocytes, and then the erythrocytes were processed with different concentrations (0, 10, 20, 30, 40 and 50 μmol/L) of CuSO4 for 48 h, and 40 μmol/L doses CuSO4 incubated for different time (12, 24, 36, 48 and 60 h) to process erythrocytes. We observed the changes in erythrocyte morphology through scanning electron microscopy, and detected the antioxidant function and activities of three ATPases. Additionally, biological properties were examined from the perspectives of phospholipids and membrane protein components, permeability fragility, and fluidity in erythrocytes. We found that after CuSO4 treatment, the antioxidant capacity of erythrocytes decreased, which was manifested as increased MDA content and decreased CuZn-SOD and GSH-Px activities (p < 0.05). In addition, we also found that erythrocyte fluidity decreased, osmotic fragility increased, membrane phospholipid percentage and protein composition changes abnormally, and Na+/K+-ATPase, Mg2+-ATPase and Ca2+-ATPase activities decreased (p < 0.05). From the results, it can be concluded that CuSO4 exposure causes hemolysis of goat erythrocytes through oxidative stress to the structure and function of erythrocytes, showing a dose-time effect.
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Affiliation(s)
- Dayong Tao
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region 843300, PR China
| | - Yong Wang
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region 843300, PR China
| | - Junfeng Liu
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region 843300, PR China
| | - Rong Chen
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region 843300, PR China
| | - Meng Qi
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region 843300, PR China
| | - Shiwen Xu
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region 843300, PR China; Key Laboratory of Tarim Animal Husbandry Technology Corps, Tarim University, Alar, Xinjiang Uygur Autonomous Region 843300, PR China.
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Li P, Li ZH. Neurotoxicity and physiological stress in brain of zebrafish chronically exposed to tributyltin. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2021; 84:20-30. [PMID: 33016251 DOI: 10.1080/15287394.2020.1828209] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Tributyltin (TBT), an organotin compound, is hazardous in aquatic ecosystems. However, the mechanisms underlying TBT-induced central nervous system (CNS) toxicity remain to be determined especially in freshwater aquatic vertebrates. The aim of present study was to investigate the effects of chronic exposure to TBT on brain functions in a freshwater teleost the adult wild-type zebrafish (Danio rerio). Fish were exposed to sublethal concentrations of TBT (10, 100 or 300 ng/L) for 6 weeks. The influence of long-term TBT exposure was assessed in the brain of zebrafish with antioxidant related indices including malondialdehyde (MDA) levels and total antioxidant capacity, neurological parameters such as activities of acetylcholinesterase, and monoamine oxidase as well as levels of nitric oxide, dopamine, 5-hydroxytryptamine. In addition indices related to sensitivity of toxic insult such as cytochrome P450 1 regulation and heat shock protein 70 were determined. The regulation of related genes involved in endoplasmic reticulum stress (ERS), apoptosis and Nrf2 pathway were measured. Adverse physiological and biochemical responses were significantly enhanced in a concentration-dependent manner reflecting neurotoxicity attributed to TBT exposure. Our findings provide further insight into TBT-induced toxicity in wild-type zebrafish. and enhance our understanding of the molecular mechanisms underlying TBT-initiated CNS effects.
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Affiliation(s)
- Ping Li
- Marine College, Shandong University , Weihai, Shandong, China
| | - Zhi-Hua Li
- Marine College, Shandong University , Weihai, Shandong, China
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences , Wuhan, China
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Hao R, Ge J, Ren Y, Song X, Jiang Y, Sun-Waterhouse D, Li F, Li D. Caffeic acid phenethyl ester mitigates cadmium-induced hepatotoxicity in mice: Role of miR-182-5p/TLR4 axis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 207:111578. [PMID: 33254423 DOI: 10.1016/j.ecoenv.2020.111578] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/16/2020] [Accepted: 10/27/2020] [Indexed: 06/12/2023]
Abstract
Cadmium (Cd), an environmental pollutant, is evidenced to cause hepatotoxicity. In this study, the potential protective effect of caffeic acid phenethyl ester (CAPE) on cadmium-induced liver damage was investigated. Forty male mice were treated daily with either CdCl2 (1.5 mg/kg body weight (b.w.), gavage) or CAPE (10 μmol/kg b.w., gavage) or both for 4 weeks. CAPE administration significantly reduced Cd level and liver and body weight, and increased AST, ALT and ALP level. Moreover, CAPE prevented CdCl2-induced oxidative stress via PI3K/Akt/mTOR pathway and inhibited apoptosis by regulating apoptosis markers. CAPE also suppressed the CdCl2-induced inflammation by reducing the inflammatory mediators, including TNF-α, IL-6 and IL-1β. Furthermore, CAPE alleviated CdCl2-induced reduction of TLR4. It should be noted that this effect was achieved by targeting miR-182-5p, and CAPE improved miR-182-5p level. The improvement of the liver tissue histopathology by CAPE confirmed the biochemical data. These results show for the first time that miR-182-5p/TLR4 axis involved in CAPE's protection against CdCl2-induced hepatotoxicity, and may provide novel insights into the treatment of cadmium-related diseases.
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Affiliation(s)
- Rili Hao
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes, Taian 271018, People's Republic of China
| | - Junlin Ge
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes, Taian 271018, People's Republic of China
| | - Yongfeng Ren
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes, Taian 271018, People's Republic of China
| | - Xinyu Song
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes, Taian 271018, People's Republic of China
| | - Yang Jiang
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes, Taian 271018, People's Republic of China
| | - Dongxiao Sun-Waterhouse
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes, Taian 271018, People's Republic of China; School of Chemical Sciences, The University of Auckland, Auckland, New Zealand
| | - Feng Li
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes, Taian 271018, People's Republic of China.
| | - Dapeng Li
- College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes, Taian 271018, People's Republic of China.
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Lv B, Yang HL, Peng YD, Wang J, Zeng Z, Li N, Tang YE, Wang Z, Song QS. Cadmium exposure alters expression of protective enzymes and protein processing genes in venom glands of the wolf spider Pardosa pseudoannulata. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 268:115847. [PMID: 33130443 DOI: 10.1016/j.envpol.2020.115847] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 10/05/2020] [Accepted: 10/12/2020] [Indexed: 06/11/2023]
Abstract
Cadmium (Cd) pollution is currently the most serious type of heavy metal pollution throughout the world. Previous studies have shown that Cd elevates the mortality of paddy field spiders, but the lethal mechanism remains to be explored profoundly. In the present study, we measured the activities of protective enzymes (acetylcholinesterase, glutathione peroxidase, phenol oxidase) and a heavy metal chelating protein (metallothionein) in the pond wolf spider Pardosa pseudoannulata after Cd exposure. The results indicated that Cd initially increased the enzyme activities and protein concentration of the spider after 10- and 20-day exposure before inhibiting them at 30-day exposure. Further analysis showed that the enzyme activities in the cephalothorax were inhibited to some extent. Since the cephalothorax region contains important venom glands, we performed transcriptome sequencing (RNA-seq) analysis of the venom glands collected from the spiders after long-term Cd exposure. RNA-seq yielded a total of 2826 differentially expressed genes (DEGs), and most of the DEGs were annotated into the process of protein synthesis, processing and degradation. Furthermore, a mass of genes involved in protein recognition and endoplasmic reticulum (ER) -associated protein degradation were down-regulated. The reduction of protease activities supports the view that protein synthesis and degradation in organelles and cytoplasm were dramatically inhibited. Collectively, our outcomes illustrate that Cd poses adverse effects on the expression of protective enzymes and protein, which potentially down-regulates the immune function in the venom glands of the spiders via the alteration of protein processing and degradation in the ER.
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Affiliation(s)
- Bo Lv
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Hui-Lin Yang
- College of Resources and Environment, Hunan Agriculture University, Changsha, 410128, Hunan, China
| | - Yuan-de Peng
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, Hunan, China
| | - Juan Wang
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Zhi Zeng
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Na Li
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Yun-E Tang
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Zhi Wang
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China.
| | - Qi-Sheng Song
- Division of Plant Sciences, University of Missouri, Columbia, MO, 65211, USA.
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Cui Y, Zhang Q, Yin K, Song N, Wang B, Lin H. DEHP-induce damage in grass carp hepatocytes and the remedy of Eucalyptol. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 206:111151. [PMID: 32858329 DOI: 10.1016/j.ecoenv.2020.111151] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/07/2020] [Accepted: 08/08/2020] [Indexed: 06/11/2023]
Abstract
The wide application of plastic products led to the wide exposure of plasticizer in environment. As a new environmental pollutant, plasticizers' toxicity researches were far from enough in fish. In order to further explore these mechanisms, we used Diethylhexyl phthalate (DEHP), a common plasticizer, treated the grass carp hepatocytes, and selected Eucalyptol (EUC) to study its antagonistic effect on DEHP. The results showed that after DEHP exposure, oxidative stress level and inflammation in grass carp hepatocytes were increased, and then mRNA and protein expression of apoptosis related markers were increased significantly, leading to hepatocytes apoptosis. Moreover, AO/EB staining and Hoethst staining also showed that the number of apoptotic cells increased after DEHP exposure. It should be noted that both EUC pretreatment and EUC simultaneous treatment could alleviate the oxidative stress, levels of inflammatory factors and apoptosis induced by DEHP. In comparison, the effect of EUC simultaneous treatment was better. Our results showed that DEHP induced apoptosis in grass carp hepatocytes through oxidative stress and inflammation, while EUC could alleviate apoptosis by reducing oxidative stress and inflammation caused by DEHP. The innovation of this study was to explore the interaction between DEHP and EUC for the first time. This study found that DEHP could cause apoptosis in grass carp hepatocytes through oxidative stress and inflammation; EUC had a good antagonistic effect on a series of damage in grass carp hepatocytes caused by DEHP, and EUC pretreatment and simultaneous treatment had a certain effect, among which, simultaneous treatment had a better effect. This study enriched the theoretical mechanism of DEHP toxicity in fish hepatocytes, and put forward the methods to solve the toxicity of DEHP.
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Affiliation(s)
- Yuan Cui
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Qiaojian Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Kai Yin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Nuan Song
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Bing Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Hongjin Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, PR China.
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Jia R, Du J, Cao L, Feng W, He Q, Xu P, Yin G. Chronic exposure of hydrogen peroxide alters redox state, apoptosis and endoplasmic reticulum stress in common carp (Cyprinus carpio). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 229:105657. [PMID: 33075616 DOI: 10.1016/j.aquatox.2020.105657] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 06/11/2023]
Abstract
Hydrogen peroxide (H2O2) appears to be ubiquitous in natural water. Higher level of H2O2 can cause physiological stress, immunosuppression and even death in aquatic animals, but the physiological and molecular mechanisms of H2O2 toxicity are not well studied. Thus, the aim of the present study was to exposure potential toxic mechanisms of H2O2 via assessing the effects on redox state, apoptosis and endoplasmic reticulum (ER) stress in common carp. The fish were subjected to four concentrations of H2O2 (0, 0.25, 0.5 and 1 mM) for 14 days. And then, the tissues including blood, liver, muscle, gills, intestines, heart, kidney and spleen were collected to measure biochemical parameter and gene expression. The results showed that H2O2 exposure suppressed the majority antioxidative parameters in serum, liver, muscle and intestines, but enhanced T-SOD, CAT and T-AOC levels in gills. In all tested tissues, the MDA content was significantly promoted by H2O2 exposure. The oxidative stress-related genes including nrf2, gstα, sod, cat and/or gpx1 were upregulated in liver, gills, muscle, intestines, and/or kidney, but downregulated in heart after H2O2 exposure. Moreover, the ho-1 mRNA level was inhibited by H2O2 exposure in all tissues except intestines and spleen. After 14 days of exposure, H2O2 induced ER stress and initiated IRE1 and PERK pathways, which activated downstream genes, including chop, grp78 and/or xbp1s, to regulate UPR in liver, gills, muscle and/or heart. Meanwhile, H2O2 exposure activated MAPK pathway to regulate mitochondria-related genes including bcl-2, bax and cytc, which further triggered cas-8, cas-9 and cas-3, and accelerated apoptosis in liver, gills, muscle and heart. Importantly, in different tissues, the genes associated with oxidative stress, ER stress and apoptosis showed a different influence, and more significant influence was observed in the muscle, gills and liver. Overall results suggested that long-term H2O2 exposure induced oxidative stress, ER stress and apoptosis in the majority of tested tissues of common carp. The Nrf2, IRE1, PERK and MAPK pathways played important roles in H2O2-induced toxicity in fish. These data enriched the toxicity mechanism of H2O2 in fish, which might contribute to the risk assessment of H2O2 in aquatic environment.
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Affiliation(s)
- Rui Jia
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China; International Joint Research Laboratory for Fish Immunopharmacology, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China.
| | - Jinliang Du
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China; International Joint Research Laboratory for Fish Immunopharmacology, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Liping Cao
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China; International Joint Research Laboratory for Fish Immunopharmacology, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Wenrong Feng
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China; International Joint Research Laboratory for Fish Immunopharmacology, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Qin He
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Pao Xu
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China; International Joint Research Laboratory for Fish Immunopharmacology, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China.
| | - Guojun Yin
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China; International Joint Research Laboratory for Fish Immunopharmacology, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China.
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Li X, Cao C, Zhu X, Li X, Wang K. Fumonisins B1 exposure triggers intestinal tract injury via activating nuclear xenobiotic receptors and attracting inflammation response. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 267:115461. [PMID: 33254674 DOI: 10.1016/j.envpol.2020.115461] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 08/14/2020] [Accepted: 08/18/2020] [Indexed: 06/12/2023]
Abstract
Fumonisins (FBs) are mycotoxins that are widely distributed in crops and feed, and ingestion of FBs -contaminated crops is harmful to animal health. Furthermore, it is unknown if Fumonisins B1 (FB1) can cause intestinal toxicity. To investigate FB1-induced intestinal toxicity, mice were treated with 0 or 5 mg/kg FB1 by gavage administration for 42 days. Histopathology indicated that FB1 exposure caused proliferation of intestinal epithelial cells, intestinal villi and epithelial layer shedding, intestinal gland atrophy, and necrosis. Notably, FB1 interfered with nuclear xenobiotic receptors (NXR) homeostasis by regulating the level of aryl hydrocarbon receptor (AHR), constitutive androstane receptor (CAR), pregnane X receptor (PXR) and downstream target genes (CYP450s). Moreover, abnormal expression of inflammatory cytokines (IL-1β, IL-2, IL-4, IL-10, and TNF-α) indicated the occurrence of inflammation. The present study provides new insights regarding the mechanism of FB1-induced intestinal toxicity through activating the NXR system and by triggering inflammatory responses in the intestinal tract in mice.
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Affiliation(s)
- Xinran Li
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, PR China.
| | - Changyu Cao
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, PR China.
| | - Xingyi Zhu
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, PR China
| | - Xiaowen Li
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, PR China
| | - Kai Wang
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, PR China.
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58
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Qing Z, Kaixin Z, Yanfei H, Yiming Z, Hua X, Ling Z, Guangliang S, Shu L. MicroRNA-223 triggers inflammation in porcine aorta by activating NLRP3 inflammasome under selenium deficiency. J Cell Physiol 2020; 236:4555-4564. [PMID: 33241567 DOI: 10.1002/jcp.30178] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 11/11/2020] [Accepted: 11/13/2020] [Indexed: 12/17/2022]
Abstract
Selenium (Se) is an essential trace element in organism. Se deficiency can cause many diseases, including vascular disease. Studies have shown that inflammation is the main inducement of vascular disease, microRNA (miRNA) can influence inflammation in various ways, and Se deficiency can affect miRNAs expression. To study the mechanism of aorta damage caused by Se deficiency, we constructed a Se deficiency porcine aorta model and found that Se deficiency can significantly inhibit miR-223, which downregulates the expression of nucleotide-binding oligomerization domain-like receptor family 3 (NLRP3). Subsequently, we found that in Se deficiency group, NLRP3, and its downstream (caspase-1, apoptosis-related spot-like protein [ASC], IL-18, IL-1β) expression was significantly increased. In vitro, we cultured pig iliac endothelium cell lines, and constructed miR-223 knockdown and overexpression models. NLRP3 messenger RNA and protein levels were significant increased in the knockdown group, and decreased in the overexpression group. The results of this study show that Se deficiency in porcine arteries can induce inflammation through miR-223/NLRP3.
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Affiliation(s)
- Zhang Qing
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Zhang Kaixin
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Han Yanfei
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Zhang Yiming
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Xue Hua
- National Selenium-Rich Product Quality Supervision and Inspection Center, Enshi, People's Republic of China
| | - Zhou Ling
- National Selenium-Rich Product Quality Supervision and Inspection Center, Enshi, People's Republic of China
| | - Shi Guangliang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Li Shu
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
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Ali Shah SW, Zhang S, Ishfaq M, Tang Y, Teng X. PTEN/AKT/mTOR pathway involvement in autophagy, mediated by miR-99a-3p and energy metabolism in ammonia-exposed chicken bursal lymphocytes. Poult Sci 2020; 100:553-564. [PMID: 33518108 PMCID: PMC7858094 DOI: 10.1016/j.psj.2020.11.015] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 10/18/2020] [Accepted: 11/09/2020] [Indexed: 12/12/2022] Open
Abstract
Emission of atmospheric ammonia (NH3) is an environmental challenge because of its harmful effects on humans and animals including birds. Among all organisms, NH3 is highly sensitive to birds. Autophagy plays a critical role in Bursa of fabricius (BF)-mediated immune responses against various hazardous substances. Therefore, we designed our work to demonstrate whether NH3 can induce autophagy in broiler chicken BF. In this study, the downregulated levels of mammalian target of rapamycin and light chain-3 (LC-Ⅰ), as well as the upregulated levels of phosphate and tensin homology (PTEN), protein kinase B (AKT), autophagy related-5, light chain-3 (LC3-Ⅱ), Becline-1, and Dynein, were found. Our results of transmission electron microscopy displayed signs of autophagosomes/autophagic lysosomes, and immunofluorescence assay displayed that NH3 exposure reduced the relative amount of CD8+ B-lymphocyte in chicken BF. Exposure of NH3 led to energy metabolism disturbance by decreasing mRNA levels of glucose metabolism factors aconitase-2, hexokinase-1, hexokinase-2, lactate dehydrogenase-A, lactate dehydrogenase-B, pyruvate kinase, phosphofructokinase and succinate dehydrogenase complex unit-B, and adenosine triphosphates (ATPase) activities (Na+/K+ ATPase, Ca2+ ATPase, Mg2+ ATPase, and Ca/Mg2+ ATPase). Moreover, phosphate and tensin homology was found as target gene of microRNA-99a-3p which confirmed that high concentration of NH3 caused autophagy in chicken BF. In summary, these findings suggested that ammonia induced autophagy via miR-99a-3p, the reduction of ATPase activity, and the alteration of autophagy-related factors, and energy metabolism mediation in BF. Our findings provide information to assess the harmful effects of NH3 on chicken and clues for human health pathophysiology.
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Affiliation(s)
- Syed Waqas Ali Shah
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Shuai Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Muhammad Ishfaq
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - You Tang
- Electrical and Information Engineering College, Jilin Agricultural Science and Technology University, Jilin, 132101, People's Republic of China
| | - Xiaohua Teng
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, People's Republic of China; Electrical and Information Engineering College, Jilin Agricultural Science and Technology University, Jilin, 132101, People's Republic of China.
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60
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Wang L, Wang L, Shi X, Xu S. Chlorpyrifos induces the apoptosis and necroptosis of L8824 cells through the ROS/PTEN/PI3K/AKT axis. JOURNAL OF HAZARDOUS MATERIALS 2020; 398:122905. [PMID: 32768820 DOI: 10.1016/j.jhazmat.2020.122905] [Citation(s) in RCA: 111] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/26/2020] [Accepted: 05/06/2020] [Indexed: 06/11/2023]
Abstract
Excessive chlorpyrifos (CPF) in the environment causes toxicity to nontarget organisms by triggering oxidative stress. Phosphatase and tensin homolog deleted on chromosome ten (PTEN) plays an important role in controlling apoptosis and necrosis by negatively regulating the phosphatidylinositol 3-kinase/threonine kinase (PI3K/AKT) pathway. However, the effects of different concentrations of CPF on grass fish liver cell injury and the role of the ROS/PTEN/PI3K/AKT axis remain poorly understood. In this study, L8824 cells treated with different concentrations of CPF (0, 40, 60, or 80 μM) were used as the research object. The results showed that the median inhibitory concentration (IC50) was 112.226 μM. As the CPF concentrations increased, the ROS and MDA levels increased, and the T-AOC levels and SOD/GPx/GST activities decreased. As PTEN expression increased, PI3K/AKT, BCL-2, and Caspase-8 expression dramatically decreased. Conversely, RIPK1/RIPK3/MLKL and Bax/Cyt-c/Caspase-3 expression increased. Additionally, necroptosis increased in a dose-dependent manner, while apoptosis first increased and then decreased. In conclusion, our study showed that CPF could trigger oxidative stress and induce apoptosis and necroptosis in fish liver cells by regulating the ROS/PTEN/PI3K/AKT axis, and the type of damage induced was dose-dependent. These results are meaningful for toxicological studies of CPF and efforts to protect the ecosystem.
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Affiliation(s)
- Lanqiao Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Lanxi Wang
- College of Basic Medicine, Harbin Medical University, Harbin 150081, PR China
| | - Xu Shi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Shiwen Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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Zhirong Z, Qiaojian Z, Chunjing X, Shengchen W, Jiahe L, Zhaoyi L, Shu L. Methionine selenium antagonizes LPS-induced necroptosis in the chicken liver via the miR-155/TRAF3/MAPK axis. J Cell Physiol 2020; 236:4024-4035. [PMID: 33151563 DOI: 10.1002/jcp.30145] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 10/05/2020] [Accepted: 10/26/2020] [Indexed: 12/15/2022]
Abstract
Organic selenium has antioxidation and disease treatment effects. To explore the mechanisms of how methionine selenium alleviates necroptosis in the liver and whether this process is related to microRNA (miRNA) and the mitogen-activated protein kinase (MAPK) pathway, an animal model of methionine selenium and the lipopolysaccharide (LPS) interaction was established. The morphology, inflammatory factor (tumor necrosis factor-α [TNF-α]), necroptosis-related genes (RIP1, RIP3, MLKL, and caspase 8), MAPK pathway-related genes (JNK, ERK, and p38, p-JNK, p-ERK, and p-p38), gga-miR-155, TRAF3 (predicted target of gga-miR-155), and oxidative stress-related indicators (SOD, MDA, CAT, GSH, and GSH-Px) were analyzed from the perspective of the miR-155/TRAF3/MAPK axis to elucidate the mechanism of methionine selenium on the LPS-induced necroptosis mechanism in the chicken liver. The current results suggested that methionine selenium antagonizes oxidative stress, inflammation, and the MAPK pathway, thereby antagonizing the occurrence of necroptosis through multiple mechanisms. At the same time, methionine selenium affects miR-155/TRAF3/MAPK signaling, reduces miR-155 expression, and upregulates TRAF3 expression to inhibit necroptosis. This information provided new ideas and a theoretical basis for the practical application of methionine selenium, and it also enriched the study of miRNAs in birds and provided a reference for comparative medicine.
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Affiliation(s)
- Zhao Zhirong
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Zhang Qiaojian
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Xu Chunjing
- National Selenium-Rich Product Quality Supervision and Inspection Center, Enshi, People's Republic of China
| | - Wang Shengchen
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Li Jiahe
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Liu Zhaoyi
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Li Shu
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
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62
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Zhang Y, Liu Q, Yin H, Li S. Cadmium exposure induces pyroptosis of lymphocytes in carp pronephros and spleens by activating NLRP3. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 202:110903. [PMID: 32800238 DOI: 10.1016/j.ecoenv.2020.110903] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 05/21/2020] [Accepted: 06/15/2020] [Indexed: 06/11/2023]
Abstract
Cadmium (Cd) is a type of toxic metal, in most cases, coming from fuel burning and aquatic plants. The cells of organisms can be caused serious damage, including pyroptosis, exposure to low concentrations of Cd in long-term. Pyroptosis is a recently discovered Caspase-1-mediated cell death. In this study, lymphocytes were extracted from the pronephros and spleens in carps, respectively. After treating cells with low concentration of Cd, the mRNA and protein expression levels of pyroptosis-related genes, NLRP3, Caspase-1, and pro-inflammatory cytokines, increased obviously. And the content of reactive oxygen species (ROS) and mitochondria reactive oxygen species (mtROS) increased significantly, we also found the activities of CAT, GSH-px and T-SOD reduce significantly, and the content of MDA have a clear upward trend. We then added NLRP3 inhibitor, Glyburide, to the Cd-treated group, further confirming that NLRP3 is a key gene in pyroptosis pathways by detecting the mRNA and protein expression levels. Besides, the rupture of the cell membrane was also confirmed by Hoechst/PI double staining, red fluorescence increased obviously in the Cd treatment group. The experiment revealed that Cd exposure induces pyroptosis of lymphocytes in carp pronephros and spleens by activating NLRP3. Inhibition of NLRP3 activity can slow down the degree of lymphocytes pyroptosis. Thus, the above information provides a new avenue toward understanding the partial mechanism of Cd exposure-induced pyroptosis.
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Affiliation(s)
- Yiming Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China.
| | - Qingqing Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China.
| | - Hang Yin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China.
| | - Shu Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China.
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63
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Gong Y, Yang J, Cai J, Liu Q, Zhang Z. Selenoprotein Gpx3 knockdown induces myocardial damage through Ca 2+ leaks in chickens. Metallomics 2020; 12:1713-1728. [PMID: 32968752 DOI: 10.1039/d0mt00027b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Glutathione peroxidase 3 (Gpx3) is a pivotal selenoprotein that acts as an antioxidant. However, the role of Gpx3 in maintaining the normal metabolism of cardiomyocytes remains to be elucidated in more detail. Herein, we employed a model of Gpx3 interference in chicken embryos in vivo and Gpx3 knockdown chicken cardiomyocytes in vitro. Real-time PCR, western blotting and fluorescent staining were performed to detect reactive oxygen species (ROS), the calcium (Ca2+) concentration, endoplasmic reticulum (ER) stress, myocardial contraction, inflammation and heat shock proteins (HSPs). Our results revealed that Gpx3 suppression increased the level of ROS, which induced Ca2+ leakage in the cytoplasm by blocking the expression of Ca2+ channels. The imbalance of Ca2+ homeostasis triggered ER stress and blocked myocardial contraction. Furthermore, we found that Ca2+ imbalance in the cytoplasm induced severe inflammation, and HSPs might play a protective role throughout these processes. In conclusion, Gpx3 suppression induces myocardial damage through the activation of Ca2+-dependent ER stress.
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Affiliation(s)
- Yafan Gong
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
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64
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Qin L, Zhang Y, Wan C, Wang Z, Cong Y, Li S. MiR-196-5p involvement in selenium deficiency-induced immune damage via targeting of NFκBIA in the chicken trachea. Metallomics 2020; 12:1679-1692. [PMID: 32910126 DOI: 10.1039/d0mt00164c] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Dietary selenium (Se) deficiency can induce multifarious immune injury in tissues, accompanied by inflammation and a decreased expression of selenoproteins. The results of previous studies indicated that these issues are associated with Se-mediated microRNAs involved in immune regulation, although the specific mechanisms associated with these interactions have not been reported in the trachea of chickens. To explore the effects of Se deficiency in the trachea of chickens and the role of miR-196-5p, we established correlational models of tracheal injury in chickens. One hundred broilers were divided into four groups, including a control group (C group), a Se deficient group (L group), a lipopolysaccharide (LPS)-induced control group (C + LPS group) and a LPS-induced Se deficient group (L + LPS group). Light microscopy observations indicated that the infiltration of inflammatory cells was the major histopathological change caused by Se deficiency. Furthermore, ultrastructural observation of the tracheal epithelium and ciliary showed typical inflammatory signs owing to Se deficiency. We determined the targeting relationship between miR-196-5p and NFκBIA by bioinformatics analysis. In the case of Se deficiency, the changes were detected as follows: 19 selenoproteins showed different degrees of decrease (p < 0.05). Significant inhibition of both antimicrobial peptides and immunoglobulin production were observed (p < 0.05). IκB-α (NFκBIA) expression degraded with the increasing miR-196-5p (p < 0.05), and the NF-κB pathway was activated. Thereafter, we can see a significant increase in the mRNA levels of inflammatory cytokines-related genes (tumor necrosis factor (TNF)-α, inducible nitric oxide synthase (iNOS), cyclooxygenase (COX)-2, prostaglandin E (PTGE), interleukin (IL)-1β, IL-6) and protein expression of NF-κB/iNOS pathway-related genes (NF-κB, iNOS, TNF-α, COX-2) (p < 0.05). The release of IL-2, interferon (IFN)-γ inhibited (p < 0.05) and the secretion of IL-4, IL-6 increased, suggesting the imbalance of Th1/Th2 (Th, helper T cell) cytokines. Compared to the control, the mRNA and protein expression levels of the anti-inflammatory system components with antioxidant activity (PPAR-γ/HO-1) were in an inhibitory state (p < 0.05). Antioxidases (SOD, CAT, GSH-Px) activities were suppressed. The activities of the peroxide markers (MDA, H2O2) were enhanced (p < 0.05). In addition, Se deficiency had a positive effect on the pathological changes of inflammation and the exceptional immunity in LPS-treated groups (p < 0.05). The results confirmed the relationship between miR-196-5p and NFκBIA in chickens, revealing that Se deficiency causes respiratory mucosal immune dysfunction via the miR-196-5p-NFκBIA axis, oxidative stress and inflammation. Moreover, Se deficiency exacerbates the inflammatory damage stimulated by LPS. Our work provides a theoretical basis for the prevention of tracheal injury owing to Se deficiency and can be used as a reference for comparative medicine. Furthermore, the targeted regulation of miR-196-5p and NFκBIA may contribute to the protection of the tracheal mucosa in chickens.
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Affiliation(s)
- Linqian Qin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China.
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65
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Wang Y, Zhao H, Liu Y, Nie X, Xing M. Zinc exerts its renal protection effect on arsenic-exposed common carp: A signaling network comprising Nrf2, NF-κB and MAPK pathways. FISH & SHELLFISH IMMUNOLOGY 2020; 104:383-390. [PMID: 32544558 DOI: 10.1016/j.fsi.2020.06.031] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 06/08/2020] [Accepted: 06/12/2020] [Indexed: 06/11/2023]
Abstract
Epidemiological and laboratory investigations have extensively indicated that arsenic exposure accounts for several kidney diseases. Zinc has been suggested as a possible natural preventive and therapeutic agent. This study is designed to explore the beneficial effect of zinc supplementation against arsenic-induced renal toxicity in common carp, and the results point to signaling pathway possibly compromised. In the present study, renal injury was induced in common carp by waterborne exposure to arsenic (2.83 mg/L) for 30 days, and zinc (1 mg/L) was simultaneously supplemented. First, the arsenic-exposed fish showed histological and functional renal alterations (indicated by hematoxylin-eosin staining, biochemical indexes and a TUNEL assay). Moreover, as a reactive oxygen species (ROS) stimulant, arsenic was found to induce oxidative toxicity as determined by increased renal ROS, malondialdehyde, protein carbonyl and 8-hydroxydeoxyguanosine levels. When antioxidant-mediation attempts (through superoxide dismutase and glutathione)-mediated to restore homeostasis failed and ROS increased to extreme levels, inflammation (indicated by elevated inducible nitric oxide synthetase, tumor necrosis factor-alpha and interleukins levels) and apoptosis (through both mitochondrial- and death receptor-dependent pathways) were triggered. However, abnormalities in the upstream mediators Nrf2, NF-κB and MAPK were significantly ameliorated and blocked by treatment with zinc. In conclusion, zinc exerts a substantial protective effect against arsenic-triggered subchronic renal injury in common carp via the amelioration of oxidative stress, suppression of apoptosis and reduced inflammation through Nrf2, NF-κB and MAPK signaling.
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Affiliation(s)
- Yu Wang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China.
| | - Hongjing Zhao
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China.
| | - Yachen Liu
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China
| | - XiaoPan Nie
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China
| | - Mingwei Xing
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China.
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66
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Covantes-Rosales CE, Toledo-Ibarra GA, González-Navarro I, Agraz-Cibrian JM, Girón-Pérez DA, Ventura-Ramon GH, Diaz-Resendiz KJG, Bueno-Durán AY, Ponce-Regalado MD, Girón-Pérez MI. Diazinon acute exposure induces neutrophil extracellular traps in Nile tilapia (Oreochromis niloticus). FOOD AGR IMMUNOL 2020. [DOI: 10.1080/09540105.2020.1798885] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Affiliation(s)
- C. E. Covantes-Rosales
- Laboratorio de Inmunotoxicología, Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Cd de la Cultura Amado Nervo, Tepic Nayarit, México
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Calle tres s/n, Colonia Ciudad Industrial, Tepic Nayarit, México
| | - G. A. Toledo-Ibarra
- Laboratorio de Inmunotoxicología, Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Cd de la Cultura Amado Nervo, Tepic Nayarit, México
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Calle tres s/n, Colonia Ciudad Industrial, Tepic Nayarit, México
| | - I. González-Navarro
- Laboratorio de Inmunotoxicología, Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Cd de la Cultura Amado Nervo, Tepic Nayarit, México
- Unidad Académica de Ciencias Químico Biológicas y Farmacéuticas, Universidad Autónoma de Nayarit, Cd de la Cultura Amado Nervo, Tepic Nayarit, México
| | - J. M. Agraz-Cibrian
- Unidad Académica de Ciencias Químico Biológicas y Farmacéuticas, Universidad Autónoma de Nayarit, Cd de la Cultura Amado Nervo, Tepic Nayarit, México
| | - D. A. Girón-Pérez
- Laboratorio de Inmunotoxicología, Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Cd de la Cultura Amado Nervo, Tepic Nayarit, México
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Calle tres s/n, Colonia Ciudad Industrial, Tepic Nayarit, México
| | - G. H. Ventura-Ramon
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Calle tres s/n, Colonia Ciudad Industrial, Tepic Nayarit, México
- Unidad Académica de Ciencias Químico Biológicas y Farmacéuticas, Universidad Autónoma de Nayarit, Cd de la Cultura Amado Nervo, Tepic Nayarit, México
| | - K. J. G. Diaz-Resendiz
- Laboratorio de Inmunotoxicología, Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Cd de la Cultura Amado Nervo, Tepic Nayarit, México
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Calle tres s/n, Colonia Ciudad Industrial, Tepic Nayarit, México
| | - A. Y. Bueno-Durán
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Calle tres s/n, Colonia Ciudad Industrial, Tepic Nayarit, México
- Unidad Académica de Ciencias Químico Biológicas y Farmacéuticas, Universidad Autónoma de Nayarit, Cd de la Cultura Amado Nervo, Tepic Nayarit, México
| | - M. D. Ponce-Regalado
- Departamento de Ciencias de la Salud, Centro Universitario de los Altos, Universidad de Guadalajara Centro Universitario de los Altos Carretera a Yahualica, Tepatitlán de Morelos, Jalisco, México
| | - M. I. Girón-Pérez
- Laboratorio de Inmunotoxicología, Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Cd de la Cultura Amado Nervo, Tepic Nayarit, México
- Laboratorio Nacional para la Investigación en Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Calle tres s/n, Colonia Ciudad Industrial, Tepic Nayarit, México
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67
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Chen D, Ning F, Zhang J, Tang Y, Teng X. NF-κB pathway took part in the development of apoptosis mediated by miR-15a and oxidative stress via mitochondrial pathway in ammonia-treated chicken splenic lymphocytes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 729:139017. [PMID: 32380330 DOI: 10.1016/j.scitotenv.2020.139017] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 04/19/2020] [Accepted: 04/24/2020] [Indexed: 06/11/2023]
Abstract
Ammonia, a kind of gas with pungent smell, is harmful to livestock and people, and has bad influence on the atmosphere. However, the mechanism of splenic toxicity caused by ammonia is still poorly understood. The aim of present study was to investigate the effect of ammonia on chicken splenic lymphocytes from the perspective of apoptosis. Chicken splenic lymphocytes were divided into the control group and the two ammonium treatment groups (1 mmol/L and 5 mmol/L ammonia), and were cultured for 24 h. CCK-8, flow cytometry (FC), fluorescence microscope, quantitative real-time PCR (qRT-PCR), and Western blot were used to study the differences between different groups. The results showed that ammonia exposure increased the release of calcium (Ca)2+ and reactive oxygen species (ROS) from mitochondrion. Besides, we found an increase in mRNA levels of glutathione peroxidase (GPx), inflammation-related genes (nuclear factor-κB (NF-κB), cyclooxygenase-2 (COX-2), inducible nitric (iNOS), tumor necrosis factor-α (TNF-α), and transforming growth factor-β (TGF-β)), apoptosis-related genes (B-cell lymphoma-2 (BCL-2), Bcl-2 associated X protein (BAX), Cytochrome c (Cytc), apoptotic protease activating factor 1 (APAF1), Caspase-9, and Caspase-3), and an increase in protein levels of NF-κB, iNOS, BAX, Cytc, Caspase-9, and Caspase-3. At the same time, we found a decrease level of GPx protein expression, and a decrease level of glutathione S-transferase (GST) mRNA expression, and a decrease level of heme oxygenase-1 (HO-1) and BCL-2 mRNA and protein expression in splenic lymphocytes exposed to ammonia. Meanwhile, miR-15a expression increased under ammonia exposure. In summary, these results indicated that ammonia induced oxidative stress, promoted the release of Ca2+, Cytc, and ROS from mitochondria, and then induced mitochondria-mediated inflammatory response, finally triggered apoptosis in chicken splenic lymphocytes.
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Affiliation(s)
- Dechun Chen
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; College of Life Science and Technology, Southwest University for Nationalities, Chengdu 610041, China
| | - Fangyong Ning
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Jingyang Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - You Tang
- Electrical and Information Engineering College, Jilin Agricultural Science and Technology University, Jilin 132101, China.
| | - Xiaohua Teng
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China.
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68
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Chen D, Hu G, Zhang S, Zhang H, Teng X. Ammonia-triggered apoptosis via immune function and metabolic process in the thymuses of chickens by proteomics analysis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 198:110619. [PMID: 32344265 DOI: 10.1016/j.ecoenv.2020.110619] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 04/07/2020] [Accepted: 04/09/2020] [Indexed: 06/11/2023]
Abstract
Ammonia (NH3), an environmental pollutant with a pungent odor, is not only an important volatile in fertilizer production and ranching, but also main basic component of haze. In present study, we found that ultrastructural changes and 3167 differentially expressed proteins (DEPs) using proteomics analysis in the thymuses of chickens exposed to NH3 on day 42. Obtained DEPs were enriched using GO and KEGG; and 66 DEPs took part in immune function, metabolic process, and apoptosis in the thymuses of chickens treated with NH3. 9 genes of DEPs were validated using qRT-PCR, and mRNA expression of 2 immune-related genes (CTSG and NFATC2), 3 metabolic process-related genes (APOA1, GOT1, and GOLGA3), and 4 apoptosis-related genes (PIK3CD, CTSS, CAMP, and NSD2) were consistent with DEPs in chicken thymuses. Our results indicated that excess NH3 led to immunosuppression, metabolic disorder, and apoptosis in chicken thymuses. Present study gives a novel insight into the mechanism of NH3 toxicity and demonstrated that immune response, metabolism process, and apoptosis were important in the mechanism of NH3 toxicity of chicken exposure to high concentration of NH3.
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Affiliation(s)
- Dechun Chen
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, China; College of Life Science and Technology, Southwest University for Nationalities, Chengdu, 610041, China
| | - Guanghui Hu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, China
| | - Shuai Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, China
| | - Hongfu Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
| | - Xiaohua Teng
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, China.
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