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Zong X, Xu Y, Tao J. Genome-wide identification and expression analysis of the heat shock protein gene superfamily in Hylurgus ligniperda. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2024; 52:101284. [PMID: 38996692 DOI: 10.1016/j.cbd.2024.101284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 06/16/2024] [Accepted: 06/24/2024] [Indexed: 07/14/2024]
Abstract
Hylurgus ligniperda belongs to Hylurgus Latreille, Curculionidae, Coleoptera. It primarily damages the base and roots of the trunk of pine plants. Short-term treatment at 42 °C can damage Hylurgus ligniperda; therefore, temperature is a vital factor limiting its spread. Heat shock proteins (HSPs) can protect, remove, and repair proteins to help H. ligniperda withstand high temperatures. However, information on HSP genes in H. ligniperda remains limited. In the study, we considered H. ligniperda as the focus of research and identified 56 HligHSP genes at the genome-wide level. These genes were mapped to the cytoplasm or nucleus. An identical subfamily exhibited a closely similar distribution of conserved domains. Combined with the transcriptome data collected in previous studies, we screened six candidate genes, namely HligsHSP-3, HligsHSP-4, HligHSP60-16, HligHSP70-3, HligHSP70-4, and HligHSP90-1, which are specifically expressed during different high-temperature treatments. A quantitative polymerase chain reaction was performed to measure the expression of these six HligHSPs in seven temperature treatment conditions. These genes may be involved in the heat resistance mechanism in adults. Our findings provided a foundation for further studying the heat resistance mechanism in H. ligniperda.
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Affiliation(s)
- Xiaozhuo Zong
- Beijing Key Laboratory for Forest Pest Control, Beijing Forestry University, Beijing 100083, China.
| | - Yabei Xu
- Beijing Key Laboratory for Forest Pest Control, Beijing Forestry University, Beijing 100083, China
| | - Jing Tao
- Beijing Key Laboratory for Forest Pest Control, Beijing Forestry University, Beijing 100083, China.
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Wang L, Guan T, Wang G, Gu J, Wu N, Zhu C, Wang H, Li J. Effects of copper on gill function of juvenile oriental river prawn (Macrobrachium nipponense): Stress and toxic mechanism. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 261:106631. [PMID: 37422926 DOI: 10.1016/j.aquatox.2023.106631] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/04/2023] [Accepted: 07/06/2023] [Indexed: 07/11/2023]
Abstract
As an important trace element and the accessory factor of many enzymatic processes, heavy metal copper is essential to aquatic animals. The toxic mechanism of copper on gill function of M. nipponense was clarified for the first time in terms of histopathological analysis, physiology, biochemistry and the expression of important genes. The results obtained by present in present research showed that heavy metal copper could affect normal respiratory and metabolic activities in M. nipponense. Copper stress could cause damage to the mitochondrial membrane of gill cells in M. nipponense, and the activity of mitochondrial respiratory chain complex could be inhibited by copper. Copper could affect normal electron transport and mitochondrial oxidative phosphorylation, resulting in the inhibition of energy production. High concentrations of copper could disrupt intracellular ion balance and induce cytotoxicity. The oxidative stress could be induced by copper, leading to excessive ROS. Copper could reduce the mitochondrial membrane potential, lead to the leakage of apoptotic factors, and induce apoptosis. Copper could damage structure of gill, affect normal respiration of gill. This study provided fundamental data for exploring impacts of copper on gill function in aquatic organisms and potential mechanisms of copper toxicity.
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Affiliation(s)
- Long Wang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Jiangsu Engineering Center for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, Jiangsu Province, China
| | - Tianyu Guan
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China; Jiangsu Engineering Center for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, Jiangsu Province, China
| | - Guiling Wang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
| | - Jieyi Gu
- Jiangsu Engineering Center for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, Jiangsu Province, China
| | - Nan Wu
- Jiangsu Engineering Center for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, Jiangsu Province, China
| | - Chuankun Zhu
- Jiangsu Engineering Center for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, Jiangsu Province, China
| | - Hui Wang
- Jiangsu Engineering Center for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, Jiangsu Province, China.
| | - Jiale Li
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
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Lee D, Kim KH, Park JW, Lee JH, Kim JH. High water temperature-mediated immune gene expression of olive flounder, Paralichthys olivaceus according to pre-stimulation at high temperatures. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023:104159. [PMID: 37245611 DOI: 10.1016/j.etap.2023.104159] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 05/10/2023] [Accepted: 05/23/2023] [Indexed: 05/30/2023]
Abstract
Increased ocean temperature due to global warming affects the health and immunity of fish. In this study, juvenile Paralichthys olivaceus were exposed to high temperature after pre-heat (Acute: Acute heat shock at 32 °C, AH-S: Acquired heat shock at 28 °C & short recovery (2h) and heat shock at 32 °C, AH-L: acquired heat shock at 28 °C and long recovery (2 days), AH-LS: acquired heat shock at 28 °C & long (2 days) + short (2h) recovery). Heat shock after pre-heat significantly upregulated various immune-related genes, including interleukin 8 (IL-8), c-type lysozyme (c-lys), immunoglobulin M (IgM), Toll-like receptor 3 (tlr3), major histocompatibility complex IIα (mhcIIα) and cluster of differentiation 8α (cd8α) in the liver and brain of P. olivaceus. This study showed pre-exposure to high temperatures below the critical temperature can activate fish immunity and increase tolerance to high temperatures.
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Affiliation(s)
- Dain Lee
- Fish Genetics and Breeding Research Center, National Institute of Fisheries Science, Geoje, Korea
| | - Kyung-Hee Kim
- Fish Genetics and Breeding Research Center, National Institute of Fisheries Science, Geoje, Korea
| | - Jong-Won Park
- Fish Genetics and Breeding Research Center, National Institute of Fisheries Science, Geoje, Korea
| | - Ju-Hyeong Lee
- Department of Aquatic Life and Medical Science, Pukyong National University, Busan, Republic of Korea
| | - Jun-Hwan Kim
- Department of Aquatic Life and Medical Science, Sun Moon University, Asan-si, Republic of Korea.
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Wu N, Wen H, Xu P, Chen J, Xue M, Li J, Wang M, Song C, Li H. PPAR Signaling Maintains Metabolic Homeostasis under Hypothermia in Freshwater Drum ( Aplodinotus grunniens). Metabolites 2023; 13:102. [PMID: 36677027 PMCID: PMC9865675 DOI: 10.3390/metabo13010102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/02/2023] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Aplodinotus grunniens, known as freshwater drum, is a kind of eurythermal freshwater fish that is widely distributed in North America. In 2019, our research group reached a milestone on its artificial breeding and cultivation and have investigated its physiological adaption to the environment, providing a breakthrough and prospects for aquaculture. However, its adaptability and metabolic homeostasis to hypothermia is not fully understood. In this experiment, cold stress was conducted at 18 °C (LT18) and 10 °C (LT10) with 25 °C as control (Con) for 8 days to explore the effects of short-term hypothermia on the physiology and metabolism of freshwater drum. From the results, the level of free essential amino acids in LT18 and LT10 decreased significantly after 2 days cold stress compared with Con. Furthermore, plasma total triglyceride (TG) content and lipase (LPS) activity were decreased at LT10 for 2d. With RNA-seq in the liver, metabolic-related signaling, especially amino acid synthesis and lipid metabolism, was inhibited by hypothermia. Specifically, the PPAR signaling pathway is correlated with the inhibition of lipid and amino acid metabolism induced by hypothermia. These data confirmed that PPAR signaling maintains lipid and amino acid metabolic homeostasis during cold stress. These results give a theoretical foundation for hypothermia resistance in the area of metabolic homeostasis for freshwater drum.
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Affiliation(s)
- Ningyuan Wu
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, No. 9 Shanshui East Road, Wuxi 214081, China
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Haibo Wen
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, No. 9 Shanshui East Road, Wuxi 214081, China
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Pao Xu
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, No. 9 Shanshui East Road, Wuxi 214081, China
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Jianxiang Chen
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Miaomiao Xue
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Jianlin Li
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, No. 9 Shanshui East Road, Wuxi 214081, China
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Meiyao Wang
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, No. 9 Shanshui East Road, Wuxi 214081, China
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Changyou Song
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, No. 9 Shanshui East Road, Wuxi 214081, China
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Hongxia Li
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, No. 9 Shanshui East Road, Wuxi 214081, China
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
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Hypothermia-Mediated Apoptosis and Inflammation Contribute to Antioxidant and Immune Adaption in Freshwater Drum, Aplodinotus grunniens. Antioxidants (Basel) 2022; 11:antiox11091657. [PMID: 36139731 PMCID: PMC9495763 DOI: 10.3390/antiox11091657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/19/2022] [Accepted: 08/23/2022] [Indexed: 11/16/2022] Open
Abstract
Hypothermia-exposure-induced oxidative stress dysregulates cell fate and perturbs cellular homeostasis and function, thereby disturbing fish health. To evaluate the impact of hypothermia on the freshwater drum (Aplodinotus grunniens), an 8-day experiment was conducted at 25 °C (control group, Con), 18 °C (LT18), and 10 °C (LT10) for 0 h, 8 h, 1 d, 2 d, and 8 d. Antioxidant and non-specific immune parameters reveal hypothermia induced oxidative stress and immunosuppression. Liver ultrastructure alterations indicate hypothermia induced mitochondrial enlargement, nucleoli aggregation, and lipid droplet accumulation under hypothermia exposure. With the analysis of the transcriptome, differentially expressed genes (DEGs) induced by hypothermia were mainly involved in metabolism, immunity and inflammation, programmed cell death, and disease. Furthermore, the inflammatory response and apoptosis were evoked by hypothermia exposure in different immune organs. Interactively, apoptosis and inflammation in immune organs were correlated with antioxidation and immunity suppression induced by hypothermia exposure. In conclusion, these results suggest hypothermia-induced inflammation and apoptosis, which might be the adaptive mechanism of antioxidation and immunity in the freshwater drum. These findings contribute to helping us better understand how freshwater drum adjust to hypothermia stress.
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Chen J, Song C, Wen H, Liu G, Wu N, Li H, Xue M, Xu P. miR-1/AMPK-Mediated Glucose and Lipid Metabolism under Chronic Hypothermia in the Liver of Freshwater Drum, Aplodinotus grunniens. Metabolites 2022; 12:metabo12080697. [PMID: 36005571 PMCID: PMC9415528 DOI: 10.3390/metabo12080697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/23/2022] [Accepted: 07/25/2022] [Indexed: 12/10/2022] Open
Abstract
Our previous study demonstrated that low temperature could induce hepatic inflammation and suppress the immune and oxidation resistance of freshwater drum. However, the metabolism, especially the glucose and lipid metabolism involved, is poorly studied. To further explore the chronic hypothermia response of freshwater drum, an 8-day hypothermia experiment was conducted at 10 °C to investigate the effect of chronic hypothermia on glucose and lipid metabolism via biochemical and physiological indexes, and metabolic enzyme activities, miRNAs and mRNA-miRNA integrate analysis in the liver. Plasma and hepatic biochemical parameters reveal chronic hypothermia-promoted energy expenditure. Metabolic enzyme levels uncover that glycolysis was enhanced but lipid metabolism was suppressed. Differentially expressed miRNAs induced by hypothermia were mainly involved in glucose and lipid metabolism, programmed cell death, disease, and cancerization. Specifically, KEGG enrichment indicates that AMPK signaling was dysregulated. mRNA-miRNA integrated analysis manifests miR-1 and AMPK, which were actively co-related in the regulatory network. Furthermore, transcriptional expression of key genes demonstrates hypothermia-activated AMPK signaling by miR-1 and subsequently inhibited the downstream glucogenic and glycogenic gene expression and gene expression of fatty acid synthesis. However, glycogenesis was alleviated to the control level while fatty acid synthesis was still suppressed at 8 d. Meanwhile, the gene expressions of glycolysis and fatty acid oxidation were augmented under hypothermia. In conclusion, these results suggest that miR-1/AMPK is an important target for chronic hypothermia control. It provides a theoretical basis for hypothermia resistance on freshwater drum.
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Affiliation(s)
- Jianxiang Chen
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (J.C.); (C.S.); (H.W.); (G.L.); (N.W.); (M.X.)
- 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
| | - Changyou Song
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (J.C.); (C.S.); (H.W.); (G.L.); (N.W.); (M.X.)
- 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
| | - Haibo Wen
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (J.C.); (C.S.); (H.W.); (G.L.); (N.W.); (M.X.)
- 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
| | - Guangxiang Liu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (J.C.); (C.S.); (H.W.); (G.L.); (N.W.); (M.X.)
| | - Ningyuan Wu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (J.C.); (C.S.); (H.W.); (G.L.); (N.W.); (M.X.)
| | - Hongxia Li
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (J.C.); (C.S.); (H.W.); (G.L.); (N.W.); (M.X.)
- 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
- Correspondence: (H.L.); (P.X.)
| | - Miaomiao Xue
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (J.C.); (C.S.); (H.W.); (G.L.); (N.W.); (M.X.)
| | - Pao Xu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (J.C.); (C.S.); (H.W.); (G.L.); (N.W.); (M.X.)
- 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
- Correspondence: (H.L.); (P.X.)
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Molecular Cloning of Heat Shock Protein 60 (SpHSP60) from Schizothorax prenanti and the Gene Expressions of Four SpHSPs during Lipopolysaccharide (LPS) Infection. FISHES 2022. [DOI: 10.3390/fishes7030139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Heat shock proteins (HSPs) play a key role in anti-stress and immune processes and are associated with autoimmune diseases. In order to explore the immunological role of HSPs from Schizothorax prenanti (S. prenanti), SpHSP60 was cloned for the first time in this study, and the gene expressions of SpHSP27, SpHSP60, SpHSP70 and SpHSP90 in the hepatopancreas, head kidney, hindgut and spleen were analyzed by quantitative real-time PCR (qPCR) after treatment with lipopolysaccharide (LPS). The open reading frame of the SpHSP60 gene (GenBank accession number ON245159) is 1728 bp. It encodes a protein of 575 amino acids. Its C-terminus is a highly conserved and repeated glycine sequence, which is an important cofactor in ATP binding. Compared with the control group, most of the SpHSPs were significantly upregulated in the tissues examined at 12 or 24 h after LPS challenge. The most abundant expression of SpHSP70 was found in the head kidney at 24 h after LPS injection, followed by SpHSP27 in the spleen at 24 h; both of these SpHSPs displayed strong expression under the LPS stresses, about 20–70 fold more than that of SpHSP60 and SpHSP90. The temporal expression patterns of the four SpHSP genes were different in the four tissues examined. Taken together, the results suggest that SpHSP27, SpHSP60, SpHSP70 and SpHSP90 participate in innate immunity stimulated by LPS, and the response intensity of the SpHSPs was organ-specific, indicating they could provide early warning information against bacterial infection. The findings in our study will contribute to better understanding the biological processes and important roles of SpHSPs involved in defending against pathogenic bacterial challenge.
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Wang X, Gao XQ, Wang XY, Fang YY, Xu L, Zhao KF, Huang B, Liu BL. Bioaccumulation of manganese and its effects on oxidative stress and immune response in juvenile groupers (Epinephelus moara ♀ × E. lanceolatus ♂). CHEMOSPHERE 2022; 297:134235. [PMID: 35271901 DOI: 10.1016/j.chemosphere.2022.134235] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/02/2022] [Accepted: 03/04/2022] [Indexed: 06/14/2023]
Abstract
We evaluated the effects of Mn in juvenile Yunlong groupers (Epinephelus moara ♀ × E. lanceolatus ♂). The groupers were exposed to Mn2+ (0, 0.5, 1, 2, and 4 mg/L) for 30 days after which they were assessed. The results indicate the accumulation of Mn in fish depended on dose and time. Mn2+ accumulation in tissues occurred in the following order: liver > gills > intestine > muscle. The concentrations of SOD and CAT in the fish significantly increased after 10 and 20 days of treatment with 4 mg/L Mn2+ but decreased after 30 days. Similarly, GSH and GPx levels increased after 10 days of exposure to 2 and 4 mg/L Mn2+ but decreased after 20 and 30 days of exposure. Additionally, malondialdehyde levels significantly increased after exposing the fish to 2 and 4 mg/L Mn2+ for 10, 20, and 30 days. In addition, liver HSP70 and HSP90 levels significantly increased at days 20 and 30 in all fish exposed to Mn2+. In addition, when Mn2+ concentration was 1, 2, and 4 mg/L, liver C3 and C4 levels were significantly increased after 10, 20, and 30 days. Conversely, the levels of LZM and IgM significantly decreased. Mn2+ also significantly upregulated the expression of genes associated with immunity (tlr3, tnf-α, il-1β, and il-6) in the fish, which suggests that it induces immunotoxicity by altering the immune response. Overall, the findings showed that Mn2+ can disrupt grouper health by bioaccumulating in the fish and subsequently inducing oxidative stress and immune responses. These results can help elucidate the mechanism by which manganese induces toxicity in marine fish. Additionally, they provide a new perspective regarding the detrimental effects of heavy metals in fish.
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Affiliation(s)
- Xi Wang
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Xiao-Qiang Gao
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China
| | - Xin-Yi Wang
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Ying-Ying Fang
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China
| | - Liang Xu
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China
| | - Kui-Feng Zhao
- Yuhai Hongqi Ocean Engineering Co. LTD, Rizhao, 276800, China
| | - Bin Huang
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China
| | - Bao-Liang Liu
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China.
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Chen J, Wei W, Liang C, Ren Y, Geng Y, Chen D, Lai W, Guo H, Deng H, Huang X, Ouyang P. Protective effect of cinnamaldehyde on channel catfish infected by drug-resistant Aeromonas hydrophila. Microb Pathog 2022; 167:105572. [PMID: 35561978 DOI: 10.1016/j.micpath.2022.105572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/13/2022] [Accepted: 05/06/2022] [Indexed: 02/05/2023]
Abstract
The protective effect of cinnamaldehyde on channel catfish infected by drug-resistant Aeromonas hydrophila CW strain was explored by observing the clinical symptoms and histopathology, measuring the cumulative mortality, serum biochemical and non-specific immune indicators, and intestinal microbiota in this study. The cumulative survival rate of the cinnamaldehyde within 14 days was significantly higher than that of the challenge group, which was 70% and 20%, respectively. Compared with the challenge group, the activities of lysozyme, superoxide dismutase, and glutathione peroxidase in the treatment group were increased, while there was no significant difference in catalase activity. Compared with the challenge group, the histopathology results showed that the injury of liver, spleen, and kidney was significantly alleviated after cinnamaldehyde treatment. The results of intestinal microbiota showed that the proportion of Proteobacteria in the challenge group was significantly increased, and the proportion of Aeromonas sp. reached 30% based on the analysis of species classification level. The composition of dominant species in the treatment group was similar to the control group. In conclusion, cinnamaldehyde increased the cumulative survival rate of channel catfish infected by A. hydrophila. It could protect channel catfish through improving the non-specific immune function of channel catfish, alleviating the pathological lesions of liver, spleen, kidney, and intestine, and maintaining the relative balance of the intestinal microbiota. Therefore, cinnamaldehyde could be a candidate drug for the treatment of A. hydrophila infection.
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Affiliation(s)
- Jiehao Chen
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China; Animal Laboratory Center, West China Hospital, Sichuan University, China.
| | - Wenyan Wei
- Chengdu Academy of Agriculture and Forestry Sciences, Chengdu, 611130, Sichuan, China.
| | - Chao Liang
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Yongqiang Ren
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Yi Geng
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Defang Chen
- Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Weiming Lai
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Hongrui Guo
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Huidan Deng
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Xiaoli Huang
- Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
| | - Ping Ouyang
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
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10
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Wang L, Wu N, Zhang Y, Wang G, Pu S, Guan T, Zhu C, Wang H, Li J. Effects of copper on non-specific immunity and antioxidant in the oriental river prawn (Macrobrachium nipponense). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 236:113465. [PMID: 35364505 DOI: 10.1016/j.ecoenv.2022.113465] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/21/2022] [Accepted: 03/26/2022] [Indexed: 06/14/2023]
Abstract
The copper, as heavy metal has important impacts on the antioxidant and immune defense systems in aquatic organisms, and the toxic effects of copper can be accumulated and magnified with the food chain, thus posing a threat to food safety as well as ecosystems. This study explored the response of the antioxidant system and non-specific immunity in M. nipponense to copper stress. Low concentration of copper (0.05, 0.1 mg L-1) had positive effects on the non-specific immunity in M. nipponense, while the non-specific immunity in M. nipponense could be affect negatively or even be inhibited by high copper concentration (0.15 mg L-1). Even low concentrations of copper could cause oxidative stress, and high copper concentration (0.15 mg L-1) could induce oxidative damage and even apoptosis, and thus causing damage to the antioxidant defense system in M. nipponense. Low concentration of copper could affect the gill and hepatopancreas structure in M. nipponense, but high level oxidative stress caused by high copper concentration could cause oxidative damage to these tissue, resulting in the destruction of gill and hepatopancreas. This study provides the safety concentration for using copper-containing fish drugs in the actual culture of M. nipponense and provides basic data for the toxicity mechanism of copper to M. nipponense.
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Affiliation(s)
- Long Wang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; Jiangsu Engineering Laboratory for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
| | - Nan Wu
- Jiangsu Engineering Laboratory for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, China
| | - Yi Zhang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; Jiangsu Engineering Laboratory for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
| | - Guiling Wang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China
| | - Sunyan Pu
- Jiangsu Engineering Laboratory for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, China
| | - Tianyu Guan
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; Jiangsu Engineering Laboratory for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
| | - Chuankun Zhu
- Jiangsu Engineering Laboratory for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, China
| | - Hui Wang
- Jiangsu Engineering Laboratory for Breeding of Special Aquatic Organisms, Huaiyin Normal University, Huai'an 223300, China.
| | - Jiale Li
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
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11
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Sun JL, Jiang T, Gu Y, Song FB, Wen X, Luo J. Differential immune and metabolic responses underlie differences in the resistance of Siganus oramin and Trachinotus blochii to Cryptocaryon irritans infection. FISH & SHELLFISH IMMUNOLOGY 2022; 120:166-179. [PMID: 34798286 DOI: 10.1016/j.fsi.2021.11.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 06/13/2023]
Abstract
Numerous studies have demonstrated that Cryptocaryon irritans can efficiently propagate in golden pompano (Trachinotus blochii), especially under intensive high-density culture, which can lead to large-scale infection, bacterial invasion, and major economic losses. By contrast, Siganus oramin is less susceptible to C. irritans infection. Here, we artificially infected S. oramin and T. blochii with C. irritans. We then used RNA-seq to characterize the expression of genes in the gills of S. oramin and T. blochii at different times after infection, conducted bioinformatics analysis of relevant pathways, and compared the differentially expressed genes in the two species. The aim of this study was to enhance our understanding of host-parasite interactions to aid the development of effective prevention and treatment strategies for C. irritans. Infection with C. irritans induced the differential expression of a large number of genes in the gills of S. oramin, indicating that S. oramin may respond to C. irritans infection by modifying the expression of genes at the transcriptional level. Our research showed that the Toll-like receptor signaling pathway, Antigen processing and presentation, Complement and coagulation cascades, and Cytosolic DNA-sensing pathway are involved in the immune response of S. oramin and T. blochii to C. irritans infection. However, T. blochii has a weak ability to mobilize neutrophils to participate in defense against C. irritans infection and differs from S. oramin in its ability to induce specific immune responses. Because of gill tissue damage during infection, dissolved oxygen intake is reduced, which increases physiological and metabolic stress. The metabolic pathways of S. oramin and T. blochii significantly differed; specifically, the main pathways in S. oramin were related to glucose and lipid metabolism, and the main pathways in T. blochii were related to amino acid metabolism. This may reduce the efficiency of ATP biosynthesis in T. blochii and result in dysfunctional energy metabolism. Therefore, differential immune and metabolic responses underlie differences in the resistance of S. oramin and T. blochii to C. irritans.
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Affiliation(s)
- Jun Long Sun
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Aquaculture Breeding Engineering Research Center, Hainan Academician Team Innovation Center, Hainan University, Haikou, 70228, China.
| | - Tian Jiang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Aquaculture Breeding Engineering Research Center, Hainan Academician Team Innovation Center, Hainan University, Haikou, 70228, China.
| | - Yue Gu
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Aquaculture Breeding Engineering Research Center, Hainan Academician Team Innovation Center, Hainan University, Haikou, 70228, China.
| | - Fei Biao Song
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Aquaculture Breeding Engineering Research Center, Hainan Academician Team Innovation Center, Hainan University, Haikou, 70228, China.
| | - Xin Wen
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Aquaculture Breeding Engineering Research Center, Hainan Academician Team Innovation Center, Hainan University, Haikou, 70228, China.
| | - Jian Luo
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Aquaculture Breeding Engineering Research Center, Hainan Academician Team Innovation Center, Hainan University, Haikou, 70228, China.
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12
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Zhao T, Ma A, Yang S, Huang Z. Integrated metabolome and transcriptome analyses revealing the effects of thermal stress on lipid metabolism in juvenile turbot Scophthalmus maximus. J Therm Biol 2021; 99:102937. [PMID: 34420604 DOI: 10.1016/j.jtherbio.2021.102937] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 02/21/2021] [Accepted: 03/29/2021] [Indexed: 12/01/2022]
Abstract
To gain insights into the influence of heat stress on lipid metabolism in juvenile turbot (Scophthalmus maximus), we analyzed the correlations between data obtained by transcriptome sequencing and metabolome sequencing of the kidney under different high temperature stimuli (20 °C, 25 °C and 28 °C) and control conditions (14 °C). We identified the differentially expressed genes and metabolites, which were found to be enriched in seven pathways (steroid hormone biosynthesis, primary bile acid biosynthesis, glycerophospholipid metabolism, linoleic acid metabolism, sphingolipid metabolism, glycerolipid metabolism and biosynthesis of unsaturated fatty acids) associated with lipid metabolism, according to KEGG pathway analysis. After correlation analysis of these differentially expressed genes, the most representative genes (lpcat2, Etnk1, TAZ, SCP2, ch25hl and gpd1l) and metabolites (citicoline, UPD-6-sulfoquinovose, dihydroxyacetone, taurine and o-phosphocholine) were selected according to their correlation coefficients. These genes and metabolites were found to be the key points to regulate lipid deposition and maintain lipid homeostasis through varying degrees of up-regulation or down-regulation under heat stress, so as to relieve the disorder of lipid metabolism caused by heat stress, which is of great significance for breeding new heat-resistant varieties of turbot and provides a reliable theoretical basis for optimizing actual production. These results provide new clues for understanding the roles of lipid metabolism in fish under heat stress.
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Affiliation(s)
- Tingting Zhao
- College of Fisheries and Life Science, Shanghai Ocean University, Ministry of Education, Shanghai, 201306, China; Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shandong Key Laboratory of Marine Fisheries Biotechnology and Genetic Breeding, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Qingdao, 266071, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266071, China
| | - Aijun Ma
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shandong Key Laboratory of Marine Fisheries Biotechnology and Genetic Breeding, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Qingdao, 266071, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266071, China.
| | - Shuangshuang Yang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shandong Key Laboratory of Marine Fisheries Biotechnology and Genetic Breeding, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Qingdao, 266071, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266071, China
| | - Zhihui Huang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shandong Key Laboratory of Marine Fisheries Biotechnology and Genetic Breeding, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Qingdao, 266071, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266071, China
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13
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Gao XQ, Fei F, Huang B, Meng XS, Zhang T, Zhao KF, Chen HB, Xing R, Liu BL. Alterations in hematological and biochemical parameters, oxidative stress, and immune response in Takifugu rubripes under acute ammonia exposure. Comp Biochem Physiol C Toxicol Pharmacol 2021; 243:108978. [PMID: 33493666 DOI: 10.1016/j.cbpc.2021.108978] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/26/2020] [Accepted: 01/14/2021] [Indexed: 12/11/2022]
Abstract
Ammonia is a major pollutant in aquatic environments and poses a considerable threat to the survival of fish. In this study, we investigated the toxic effects of ammonia on the hematological and biochemical parameters, oxidative stress, and immune responses in Takifugu rubripes. Juvenile T. rubripes (average weight 246.17 ± 3.54 g) were exposed to different concentrations of ammonia (0, 5, 50, 100, and 150 mg/L) for 96 h. The results showed that the hematological parameters (hemoglobin, hematocrit, red blood cell, and white blood cell count) were significantly reduced in response to ammonia exposure. Of the plasma components, such as serum total protein, albumin, glucose, glutamic-oxalacetic transaminase, and glutamic-pyruvic transaminase, were significantly altered in response to ammonia exposure. Additionally, the levels of superoxide dismutase (SOD), catalase (CAT), glutathione (GSH), and glutathione peroxidase (GPx) were increased after exposure to low concentration ammonia exposure. However, when fish were exposed to a high concentration of ammonia, these parameters showed the opposite trend, suggesting that an increase in antioxidant enzymes during the early stages of ammonia exposure may contribute to the removal of the induced reactive oxygen species (ROS) and protect the cells from oxidative damage. However, as the ammonia concentration and exposure time increased, the overproduction of ROS accelerated the depletion of antioxidant enzymes. Ammonia exposure significantly increased the expression of heat shock proteins (HSP70 and HSP90). Ammonia poisoning elevated gene expressions of TLR-3, TNF-α, IL-6, IL-12, and IL-1β in the gills, causing an inflammatory response. Our findings provide new insights into the mechanisms involved in ammonia-induced aquatic toxicology in marine fish, which may aid in their captive management.
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Affiliation(s)
- Xiao-Qiang Gao
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, People's Republic of China
| | - Fan Fei
- Aquacultural Engineering R&D Team, Dalian Ocean University, Dalian 116023, Liongning Province, People's Republic of China
| | - Bin Huang
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, People's Republic of China
| | - Xue Song Meng
- Dalian Tianzheng Industrial Co. Ltd., Dalian 116000, People's Republic of China
| | - Tao Zhang
- Dalian Tianzheng Industrial Co. Ltd., Dalian 116000, People's Republic of China
| | - Kui-Feng Zhao
- Yuhai Hongqi Ocean Engineering Co. Ltd, Rizhao 276800, People's Republic of China
| | - Hai-Bin Chen
- Yuhai Hongqi Ocean Engineering Co. Ltd, Rizhao 276800, People's Republic of China
| | - Rui Xing
- Yuhai Hongqi Ocean Engineering Co. Ltd, Rizhao 276800, People's Republic of China
| | - Bao-Liang Liu
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, People's Republic of China.
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14
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Zhu L, Luo X, Fu N, Chen L. Mitochondrial unfolded protein response: A novel pathway in metabolism and immunity. Pharmacol Res 2021; 168:105603. [PMID: 33838292 DOI: 10.1016/j.phrs.2021.105603] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 04/03/2021] [Accepted: 04/04/2021] [Indexed: 12/11/2022]
Abstract
Mitochondrial unfolded protein response (mitoUPR) is a mitochondria stress response to maintain mitochondrial proteostasis during stress. Increasing evidence suggests that mitoUPR participates in diverse physiological processes especially metabolism and immunity. Although mitoUPR regulates metabolism in many aspects, it is mainly reflected in the regulation of energy metabolism. During stress, mitoUPR alters energy metabolism via suppressing oxidative phosphorylation (OXPHOS) or increasing glycolysis. MitoUPR also alters energy metabolism and regulates diverse metabolic diseases such as diabetes, cancers, fatty liver and obesity. In addition, mitoUPR also participates in immune process during stress. MitoUPR can induce innate immune response during various infections and may regulate inflammatory response during diverse inflammations. Considering the pleiotropic actions of mitoUPR, mitoUPR may supply diverse therapeutic targets for metabolic diseases and immune diseases.
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Affiliation(s)
- Li Zhu
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang 421001, Hunan, China
| | - Xuling Luo
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang 421001, Hunan, China
| | - Nian Fu
- Department of Gastroenterology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan, China.
| | - Linxi Chen
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang 421001, Hunan, China.
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15
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Song C, Liu B, Jiang S, Xiong Y, Sun C, Zhou Q, Jiang Z, Liu B, Zhang H. Anthraquinone extract from Rheum officinale Bail improves growth performance and Toll-Relish signaling-regulated immunity and hyperthermia tolerance in freshwater prawn Macrobrachium nipponense. 3 Biotech 2020; 10:526. [PMID: 33214974 DOI: 10.1007/s13205-020-02519-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 10/28/2020] [Indexed: 12/16/2022] Open
Abstract
This study was aimed to investigate the facilitation of anthraquinone extract on growth performance, immunity, and antioxidant capacity of the oriental river prawn (Macrobrachium nipponense), and whether it could ameliorate the hyperthermia stress. A 12-week rearing experiment was conducted with 0, 125, 250, 500, and 1000 mg kg-1 anthraquinone extract from Rheum officinale Bail-supplemented diets (AE0, AE125, AE250, AE500, and AE1000), and followed a 48-h thermal stress with 32℃ incubation. Results indicate AE250 and AE500 significantly improved the growth performance and feed utilization, the optimum level was estimated to be 251.22 mg kg-1 based on the regression analysis of special growth ratio (SGR). Meanwhile, AE250 and AE500 improved antioxidant enzyme activity and immune-related protein concentration of iNOS-NO signaling. Under thermal stress, AE250 and AE500 improved the heat tolerance, and Toll-Relish signaling was active to the resistance. These results indicate anthraquinone extract could be used as an effective immunostimulant to improve growth performance, physiological balance and protect organism form environmental hyperthermia stress. This may provide insights for immunostimulant development in aquaculture production.
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16
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Nájera-Martínez M, López-Tapia BP, Aguilera-Alvarado GP, Madera-Sandoval RL, Sánchez-Nieto S, Giron-Pérez MI, Vega-López A. Sub-basal increases of GABA enhance the synthesis of TNF-α, TGF-β, and IL-1β in the immune system organs of the Nile tilapia. J Neuroimmunol 2020; 348:577382. [PMID: 32919148 DOI: 10.1016/j.jneuroim.2020.577382] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/15/2020] [Accepted: 09/01/2020] [Indexed: 02/07/2023]
Abstract
The cells of the immune and neuronal systems share different receptors for cytokines or neurotransmitters, producing feedback responses between both systems. Cytokines such as IL-1β and TNF-α can induce inflammation; however, the secretion of these molecules can be modulated by anti-inflammatory cytokines, as is the case for TGF-β, as well as by different hormones or neurotransmitters such as the γ-aminobutyric acid (GABA). In this study, we evaluated the secretion of IL-1β, TNF-α, and TGF-β under basal conditions, in the head of the kidney, spleen, thymus, and serum of the Nile tilapia, as well as their release induced by different sub-basal increases of GABA. We found that at the higher dose of GABA these cytokines were synthesised at a higher concentration compared to the control group. These results may suggest that there is feedback between both systems and that GABA plays a role in the modulation of the immune response.
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Affiliation(s)
- Minerva Nájera-Martínez
- Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Laboratorio de Toxicología Ambiental, Av. Wilfrido Massieu s/n, Unidad Profesional Zacatenco, México City, CP 07738 México
| | - Brenda P López-Tapia
- Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Laboratorio de Toxicología Ambiental, Av. Wilfrido Massieu s/n, Unidad Profesional Zacatenco, México City, CP 07738 México
| | | | - Ruth L Madera-Sandoval
- Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Laboratorio de Toxicología Ambiental, Av. Wilfrido Massieu s/n, Unidad Profesional Zacatenco, México City, CP 07738 México
| | - Sobeida Sánchez-Nieto
- Universidad Nacional Autónoma de México, Facultad de Química, Departamento de Bioquímica, México
| | - Manuel Iván Giron-Pérez
- Universidad Autónoma de Nayarit, Laboratorio Nacional para la Investigación en Inocuidad Alimentaria-Unidad Nayarit, Calle Tres s/n, Cd Industrial, Tepic, Nayarit, México
| | - Armando Vega-López
- Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Laboratorio de Toxicología Ambiental, Av. Wilfrido Massieu s/n, Unidad Profesional Zacatenco, México City, CP 07738 México.
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17
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Tang YY, Liu QN, Wang C, Yang TT, Tang BP, Zhou CL, Dai LS. Proteomic analysis of differentially expressed proteins in the lipopolysaccharide-stimulated hepatopancreas of the freshwater crayfish Procambarus clarkii. FISH & SHELLFISH IMMUNOLOGY 2020; 98:318-323. [PMID: 31972292 DOI: 10.1016/j.fsi.2020.01.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 01/05/2020] [Accepted: 01/18/2020] [Indexed: 06/10/2023]
Abstract
Procambarus clarkii is one of the most important aquatic invertebrates in China and has high commercial value. However, aquaculture has suffered great economic loss due to outbreaks of infectious diseases in P. clarkii. To identify red swamp crayfish related proteins involved in the response to bacterial infection, we analysed immune-related proteins following lipopolysaccharide (LPS) stimulation by quantitative proteomics. The proteome of the hepatopancreas of P. clarkii challenged with LPS and phosphate-buffered saline was analysed to evaluate the immune response. Based on liquid chromatography coupled with tandem mass spectrometry, 16 upregulated and 29 downregulated proteins were identified. A Gene Ontology analysis demonstrated 5 biological process, 11 cellular component, and 6 molecular function subcategories. The Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis indicated that the identified proteins were mainly involved in metabolism, phagosome, and ribosome. Real-time quantitative reverse transcription-PCR revealed that eight immune-related genes were upregulated after LPS stimulation compared to the control. Taken together, the data enhance our understanding of the immune response of crayfish to LPS.
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Affiliation(s)
- Ying-Yu Tang
- Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetland, Yancheng Teachers University, Yancheng, 224007, PR China; School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, PR China; College of Biotechnology and Pharmaceutical Engineering, Nanjing University of Technology, Nanjing, 210009, PR China
| | - Qiu-Ning Liu
- Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetland, Yancheng Teachers University, Yancheng, 224007, PR China; School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, PR China.
| | - Cheng Wang
- Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetland, Yancheng Teachers University, Yancheng, 224007, PR China
| | - Ting-Ting Yang
- Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetland, Yancheng Teachers University, Yancheng, 224007, PR China; College of Biotechnology and Pharmaceutical Engineering, Nanjing University of Technology, Nanjing, 210009, PR China
| | - Bo-Ping Tang
- Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetland, Yancheng Teachers University, Yancheng, 224007, PR China
| | - Chun-Lin Zhou
- Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetland, Yancheng Teachers University, Yancheng, 224007, PR China
| | - Li-Shang Dai
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, PR China.
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18
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Gao XQ, Fei F, Huo HH, Huang B, Meng XS, Zhang T, Liu BL. Effect of acute exposure to nitrite on physiological parameters, oxidative stress, and apoptosis in Takifugu rubripes. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 188:109878. [PMID: 31704330 DOI: 10.1016/j.ecoenv.2019.109878] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 10/16/2019] [Accepted: 10/25/2019] [Indexed: 06/10/2023]
Abstract
In the present study, we evaluated the effects of nitrite exposure on hematological parameters, oxidative stress, and apoptosis in juvenile Takifugu rubripes. The fish were exposed to nitrite (0, 0.5, 1, 3, and 6 mM) for up to 96 h. In the high nitrite concentration groups (i.e., 3 and 6 mM), the concentrations of methemoglobin (MetHb), cortisol, glucose, heat shock protein (Hsp)-70, Hsp-90, and potassium (K+) were significantly elevated. Whereas, the concentrations of hemoglobin (Hb), triglyceride (TG), total cholesterol (TC), and sodium (Na+) and chloride (Cl-) ions were significantly decreased. Compared with those of the control groups, the concentrations of the antioxidant enzymes, namely, superoxide dismutase (SOD), catalase (CAT), glutathione (GSH), and glutathione peroxidase (GPx), in the gills were considerably elevated at 12 and 24 h after exposure to nitrite (1, 3, and 6 mM), but reduced at 48 and 96 h. The increase in the antioxidant enzymes may contribute to the elimination of reactive oxygen species (ROS) induced by nitrite during early nitrite exposure, when the antioxidant system is not sufficiently effective to eliminate or neutralize excessive ROS. In addition, we found that nitrite exposure could alter the expression patterns of some key apoptosis-related genes (Caspase-3, Caspase-8, Caspase-9, p53, Bax, and Bcl-2). This indicated that the caspase-dependent apoptotic pathway and p53-Bax-Bcl-2 pathway might be involved in apoptosis induced by nitrite exposure. Furthermore, our study provides insights into how acute nitrite exposure affects the physiological responses and potential molecular mechanism of apoptosis in marine fish. The results can help elucidate the mechanisms involved in nitrite-induced aquatic toxicology in marine fish.
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Affiliation(s)
- Xiao-Qiang Gao
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, People's Republic of China
| | - Fan Fei
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, People's Republic of China; Key Laboratory of Environment Controlled Aquaculture, Ministry of Education, Dalian Ocean University, Dalian, People's Republic of China
| | - Huan Huan Huo
- College of Animal Science and Technology, Jiangxi Agricultural University, NanChang, 330045, People's Republic of China
| | - Bin Huang
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, People's Republic of China
| | - Xue Song Meng
- Dalian Tianzheng Industrial Co. Ltd., Dalian, 116000, People's Republic of China
| | - Tao Zhang
- Dalian Tianzheng Industrial Co. Ltd., Dalian, 116000, People's Republic of China
| | - Bao-Liang Liu
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, People's Republic of China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, People's Republic of China.
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19
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Song C, Liu B, Xu P, Ge X, Zhang H. Emodin ameliorates metabolic and antioxidant capacity inhibited by dietary oxidized fish oil through PPARs and Nrf2-Keap1 signaling in Wuchang bream (Megalobrama amblycephala). FISH & SHELLFISH IMMUNOLOGY 2019; 94:842-851. [PMID: 31585245 DOI: 10.1016/j.fsi.2019.10.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/25/2019] [Accepted: 10/01/2019] [Indexed: 06/10/2023]
Abstract
Dietary lipids and fatty acids are involved in cell metabolism and animal physiological regulation. However, oxidized lipids could induce oxidative stress and disorder normal growth and physiological health in fish. A 12-week rearing experiment with 6% fish oil (6F), 6% oxidized fish oil (6OF) and emodin supplemented diets (6F + E, 6OF + E) was conducted to evaluate the protective mechanism of emodin on oxidized fish oil stress in Megalobrama amblycephala. Results indicate that, under oxidized fish oil stress, emodin rescued the growth performance inhibition, improved special growth ratio (SGR), and reduced feed conversion ratio (FCR) and hepatosomatic index (HSI); rescued intestine histological impairment, ameliorated the structural expansion and membrane damage of mitochondria in intestine cells, and increased the length and intensity of intestinal villus. Moreover, emodin enhanced serum immune and antioxidant enzyme activity, increased metabolic activity through PPARs signaling, increased antioxidant capacity through PPARs and Nrf2-Keap1 signaling based on the transcriptional expression of specific genes. These results indicate emodin could be used as an effective immunostimulant to protect organism form oxidative stress induced by dietary oxidized lipid. This may provide insights for oxidized lipid prevention in aquaculture production.
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Affiliation(s)
- Changyou Song
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China; Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China.
| | - Bo Liu
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China; Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China.
| | - Pao Xu
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China; Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China.
| | - Xianping Ge
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China; Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China
| | - Huimin Zhang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China
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Huang L, Zhao L, Liu W, Xu X, Su Y, Qin Y, Yan Q. Dual RNA-Seq Unveils Pseudomonas plecoglossicida htpG Gene Functions During Host-Pathogen Interactions With Epinephelus coioides. Front Immunol 2019; 10:984. [PMID: 31130962 PMCID: PMC6509204 DOI: 10.3389/fimmu.2019.00984] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Accepted: 04/16/2019] [Indexed: 12/23/2022] Open
Abstract
Pseudomonas plecoglossicida is a temperature-dependent opportunistic pathogen which is associated with a variety of diseases in fish. During the development of "white nodules" disease, the expression of htpG in P. plecoglossicida was found to be significantly up-regulated at its virulent temperature of 18°C. The infection of htpG-RNAi strain resulted in the onset time delay, reduction in mortality and infection symptoms in spleen of Epinephelus coioides, and affected the bacterial tissue colonization. In order to reveal the effect of htpG silencing of P. plecoglossicida on the virulence regulation in P. plecoglossicida and immune response in E. coioides, dual RNA-seq was performed and a pathogen-host integration network was constructed. Our results showed that infection induced the expression of host genes related to immune response, but attenuated the expression of bacterial virulence genes. Novel integration was found between host immune genes and bacterial virulence genes, while IL6, IL1R2, IL1B, and TLR5 played key roles in the network. Further analysis with GeneMANIA indicated that flgD and rplF might play key roles during the htpG-dependent virulence regulation, which was in accordance with the reduced biofilm production, motility and virulence in htpG-RNAi strain. Meanwhile, IL6 and IL1B were found to play key roles during the defense against P. plecoglossicida, while CELA2, TRY, CPA1, CPA2, and CPB1 were important targets for P. plecoglossicida attacking to the host.
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Affiliation(s)
- Lixing Huang
- Key Laboratory of Healthy Mariculture for the East China Sea, Fisheries College, Jimei University, Ministry of Agriculture, Xiamen, China
| | - Lingmin Zhao
- Key Laboratory of Healthy Mariculture for the East China Sea, Fisheries College, Jimei University, Ministry of Agriculture, Xiamen, China
| | - Wenjia Liu
- Key Laboratory of Healthy Mariculture for the East China Sea, Fisheries College, Jimei University, Ministry of Agriculture, Xiamen, China
| | - Xiaojin Xu
- Key Laboratory of Healthy Mariculture for the East China Sea, Fisheries College, Jimei University, Ministry of Agriculture, Xiamen, China
| | - Yongquan Su
- State Key Laboratory of Large Yellow Croaker Breeding, Ningde, China
| | - Yingxue Qin
- Key Laboratory of Healthy Mariculture for the East China Sea, Fisheries College, Jimei University, Ministry of Agriculture, Xiamen, China
| | - Qingpi Yan
- Key Laboratory of Healthy Mariculture for the East China Sea, Fisheries College, Jimei University, Ministry of Agriculture, Xiamen, China
- State Key Laboratory of Large Yellow Croaker Breeding, Ningde, China
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21
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Le Q, Hu J, Cao X, Kuang S, Zhang M, Yu N, Zheng H, Wang Y, Liu H, Yan X. Transcriptomic and cortisol analysis reveals differences in stress alleviation by different methods of anesthesia in Crucian carp (Carassius auratus). FISH & SHELLFISH IMMUNOLOGY 2019; 84:1170-1179. [PMID: 30366089 DOI: 10.1016/j.fsi.2018.10.061] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 10/05/2018] [Accepted: 10/23/2018] [Indexed: 06/08/2023]
Abstract
Stress response has negative effect on fish in aquaculture and research, which can be alleviated with anesthetic. To determine the optimal anesthetic, we investigated the physiological response of crucian carp (Carassius auratus) treated with three different anti-stress treatments: MS-222, eugenol and percussive stunning. Stress responses were evaluated by analyzing serum cortisol level and gene expression in blood. We determined the optimal concentrations of MS-222 (100 mg L-1) and eugenol (20 mg L-1) by dose selection. We found that the control group had significantly higher cortisol levels (172.78 ± 19.95 ng mL-1) compared to the MS-222 treated group (46.85 ± 3.22 ng mL-1), the eugenol treated group (72.78 ± 9.07 ng mL-1), and the stunning treatment group (82.78 ± 8.16 ng mL-1). Transcriptome analysis revealed 1572 differentially expressed genes (DEGs), including 155 DEGs related to the stress response, mainly involved in oxidative-stress response, heat shock proteins, and cold shock domain-containing protein. The heat shock protein genes were the primary DEGs in response to stress. RT-qPCR analysis confirmed differential expression of Hsps. We analyzed the function of the DEGs, which were enriched in genes involved in cellular response to stress and antigen processing and presentation. Combining the results from biochemical, transcriptome, and gene expression analysis, our data suggest that eugenol is more effective than MS-222 and percussive stunning in alleviating stress in crucian carp.
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Affiliation(s)
- Qijun Le
- Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education, Ningbo, China; Marine Biotechnology Laboratory, Ningbo University, Ningbo, China; School of Marine Sciences, Ningbo University, Ningbo, China; Ningbo Entry-Exit Inspection and Quarantine Bureau Technical Center, Ningbo, China
| | - Jiabao Hu
- Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education, Ningbo, China; Marine Biotechnology Laboratory, Ningbo University, Ningbo, China; School of Marine Sciences, Ningbo University, Ningbo, China
| | - Xiaohuan Cao
- Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education, Ningbo, China; Marine Biotechnology Laboratory, Ningbo University, Ningbo, China; School of Marine Sciences, Ningbo University, Ningbo, China
| | - Siwen Kuang
- Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education, Ningbo, China; Marine Biotechnology Laboratory, Ningbo University, Ningbo, China; School of Marine Sciences, Ningbo University, Ningbo, China
| | - Man Zhang
- Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education, Ningbo, China; Marine Biotechnology Laboratory, Ningbo University, Ningbo, China; School of Marine Sciences, Ningbo University, Ningbo, China
| | - Na Yu
- Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education, Ningbo, China; Marine Biotechnology Laboratory, Ningbo University, Ningbo, China; School of Marine Sciences, Ningbo University, Ningbo, China
| | - Huakun Zheng
- Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education, Ningbo, China; Marine Biotechnology Laboratory, Ningbo University, Ningbo, China; School of Marine Sciences, Ningbo University, Ningbo, China
| | - Yajun Wang
- Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education, Ningbo, China; Marine Biotechnology Laboratory, Ningbo University, Ningbo, China; School of Marine Sciences, Ningbo University, Ningbo, China.
| | - Hanwei Liu
- Ningbo Entry-Exit Inspection and Quarantine Bureau Technical Center, Ningbo, China
| | - Xiaojun Yan
- Key Laboratory of Applied Marine Biotechnology, Ningbo University, Ministry of Education, Ningbo, China; Marine Biotechnology Laboratory, Ningbo University, Ningbo, China; School of Marine Sciences, Ningbo University, Ningbo, China; Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Development Research Platform, Ningbo, China.
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22
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Song C, Liu B, Xu P, Xie J, Ge X, Zhou Q, Sun C, Zhang H, Shan F, Yang Z. Oxidized fish oil injury stress in Megalobrama amblycephala: Evaluated by growth, intestinal physiology, and transcriptome-based PI3K-Akt/NF-κB/TCR inflammatory signaling. FISH & SHELLFISH IMMUNOLOGY 2018; 81:446-455. [PMID: 30064020 DOI: 10.1016/j.fsi.2018.07.049] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 07/22/2018] [Accepted: 07/27/2018] [Indexed: 06/08/2023]
Abstract
Lipids are essential nutrients for animal. Oxidized lipid might induce injury stress for fish. Here we conducted a 12-week rearing experiment with diets containing 0, 2, 4, and 6% oxidized fish oil (6F, 4F2OF, 2F4OF, and 6OF) to describe the oxidative impairment mechanism on teleost fish blunt snout bream, Megalobrama amblycephala. Results were evaluated by growth performance, intestinal physiology, and transcriptome-based PI3K-Akt/NF-κB/TCR inflammatory signaling. From the results, 6OF reduced growth performance with increased FCR and reduced FBW, WGR and SGR compare with 6 F. Meanwhile, oxidized fish oil treatments also increased antioxidant enzyme activity, suggesting an impaired physiological condition. The plasmatic antioxidant enzyme activity of T-SOD, GSH-Px, ASAFR, concentration of MDA and cortisol were significantly increased in 6OF, while GSH concentration was decreased. Histological ultrastructure revealed the integrity of mid-intestinal cells and villus were destroyed in 6OF. Moreover, transcriptomic analysis revealed PI3K-Akt/NF-κB/TCR inflammatory signaling were active to oxidized fish oil stress. We verified the expression of twelve key genes related to this signaling by RT-PCR, which revealed TLR2, PI3K, Akt, NF-κB, MHCII-β, TCR-α, TGF-β, TNF-α, IL-6, IL-1β, GPx1 and GSTm were all activated under 6OF stimulation. We found that oxidized fish oil may induce oxidative stress, destroy intestinal integrity, produce free radical, dysregulate lipid metabolism and oxidative balance, reversely affect the physiological adaptation, and eventually lead to growth inhibition. This study revealed the mechanism of PI3K-Akt/NF-κB/TCR inflammatory signaling in M. amblycephala under oxidized fish oil stress, which may help to understand the complex regulation involved in lipid oxidative stress resistance.
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Affiliation(s)
- Changyou Song
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China.
| | - Bo Liu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China.
| | - Pao Xu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China.
| | - Jun Xie
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
| | - Xianping Ge
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
| | - Qunlan Zhou
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
| | - Cunxin Sun
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
| | - Huimin Zhang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China
| | - Fan Shan
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China
| | - Zhenfei Yang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China
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