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Senze M, Kowalska-Góralska M, Czyż K. Effect of Aluminum Concentration in Water on Its Toxicity and Bioaccumulation in Zooplankton (Chaoborus and Chironomus) and Carp ( Cyprinus carpio L.) Roe. Biol Trace Elem Res 2024:10.1007/s12011-024-04062-2. [PMID: 38233675 DOI: 10.1007/s12011-024-04062-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 01/05/2024] [Indexed: 01/19/2024]
Abstract
An attempt to evaluate aluminum toxicity to living organisms was undertaken in the study. A laboratory experiment was conducted to determine aluminum bioaccumulation and toxicity in Chironomus and Chaoborus larvae and in Cyprinus carpio L. roe depending on aluminum concentration in water reflecting natural chemical composition. Water was examined for temperature, pH, electrical conductivity, dissolved oxygen, color, nitrate nitrogen, nitrite nitrogen, sulfates by spectrophotometric method; total hardness and chlorides by titration method; and calcium, magnesium, sodium by flame atomic absorption spectrometry, total aluminum by electrothermal atomic absorption spectrometry. Determination of aluminum levels in water, roe, and zooplankton was carried out after mineralization using electrothermal atomic absorption spectrometry. Aluminum bioaccumulation factor in roe was determined with respect to concentration in water. Moreover, acute toxicity (LC50) was calculated. In the roe experiment, aluminum concentration in water at the end of the experiment was 0.0635-0.1283 mgAl∙dm-3. The lowest values were noted for the control sample and the highest for water with 0.03 mgAl∙dm-3 aluminum content. The final aluminum level in roe was, like in water, the highest in roe treated with 0.03 mgAl∙dm-3 (18.95 mgAl∙kg-1), and the lowest in roe treated with 3.00 mgAl∙dm-3 (6.96 mgAl∙kg-1). Aluminum bioaccumulation in roe was the strongest in the control. Survival rate ranged from 2.00 to 97.00%, which shows higher sensitivity of roe to aluminum concentration. LC50 value for Chaoborus was 0.6464 mgAl⋅dm-3, and for Chironomus 0.2076 mgAl⋅dm-3 indicating that Chironomus is more sensitive to aluminum toxic effects. Concentration of 3.0 mgAl∙dm-3 caused the highest mortality. Aluminum in both species at each concentration reached the highest levels after one day (24 h), 254.58 mg⋅kg-1 for Chaoborus and 3107 mg⋅kg-1 for Chironomus. After another day, aluminum levels decreased. This demonstrated the differential accumulation of aluminum depending on the species, which predisposes Chironomus as a better indicator organism. This type of research is important from the point of view of aquaculture, which is a targeted activity with a high degree of economic importance, but is also important for aquatic organisms living in natural conditions. Fish reproduction takes place in both types of waters, so all these reservoirs regardless of their source of destination should be inspected.
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Affiliation(s)
- Magdalena Senze
- Institute of Animal Breeding, Department of Limnology and Fishery, Wrocław University of Environmental and Life Sciences, Poland, Ul. Chełmońskiego 38C, 51-630, Wrocław, Poland.
| | - Monika Kowalska-Góralska
- Institute of Animal Breeding, Department of Limnology and Fishery, Wrocław University of Environmental and Life Sciences, Poland, Ul. Chełmońskiego 38C, 51-630, Wrocław, Poland
| | - Katarzyna Czyż
- Institute of Animal Breeding, Department of Sheep and Fur Animals Breeding, Wrocław University of Environmental and Life Sciences, Ul. Kożuchowska 5B, 51-631, Wrocław, Poland
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Liu R, Meng F, Li X, Li H, Yang G, Shan S. Characterization of STING from common carp ( Cyprinus carpio L.) involved in spring viremia of carp virus infection. Fish Shellfish Immunol 2023; 142:109164. [PMID: 37839543 DOI: 10.1016/j.fsi.2023.109164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 09/21/2023] [Accepted: 10/12/2023] [Indexed: 10/17/2023]
Abstract
Stimulator of interferon genes (STING) serve as an endoplasmic reticulum (ER) protein and modulates innate immune responses to viral contagion. Most investigations involving teleost STING antiviral immunity have examined DNA viruses. Therefore, fish STING signaling events against RNA viruses require additional exploration. Here, common carp STING (named CcSTING) was cloned and characterized. The bioinformatics analyses of CcSTING showed evolutionary conservations and were most closely related to other cyprinid STINGs. Immunofluorescence staining discovered that the CcSTING was chiefly placed in the cytoplasm, specifically within the ER. CcSTING was ubiquitously generated in all analyzed organs, with especially strong expression in the gills and head kidney. Spring viremia of carp virus (SVCV) stimulation and poly(I:C) infection induced the generation of CcSTING in immune-associated organs, as well as in peripheral blood leukocytes. Additional investigations revealed that CcSTING overexpression strongly suppressed SVCV replication in EPC cells. Mechanistically, CcSTING enhanced IFN-1 and ISGs expression following SVCV infection. CcSTING also substantially increased both IFN and NF-κB promoter luciferase activity via a dosage-dependent fashion. Lastly, CcSTING significantly up-regulated both TBK1 and p65 phosphorylation. Collectively, these findings demonstrated the critical role and underlying mechanism of fish STING in response to RNA virus.
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Affiliation(s)
- Rongrong Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Fei Meng
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Xin Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Hua Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China.
| | - Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China.
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Du X, Kong B, He J, Zhang Q, An G, Zhang T, Xia X. Cryoprotective effect of water-tailored trehalose-based natural deep eutectic solvents on frozen-thawed mirror carp ( Cyprinus carpio L.) surimi. Food Chem 2023; 426:136633. [PMID: 37329788 DOI: 10.1016/j.foodchem.2023.136633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 06/12/2023] [Accepted: 06/12/2023] [Indexed: 06/19/2023]
Abstract
The inhibitory effect of water-tailored natural deep eutectic solvents (NADES) constructed from citric acid and trehalose with different amounts on the quality deterioration and oxidation of frozen-thawed (F-T) mirror carp (Cyprinus carpio L.) surimi was studied. NADES was obtained by citric acid to trehalose and the effect of moisture addition (v/v) on the structure, physicochemical, and anti-freezing capacity of NADES was assessed. NADES + 10 % H2O has relatively low viscosity (25 %) and strong freezing resistance. However, a 50 % H2O addition leads to the disappearance of the hydrogen bond. The addition of NADES effectively inhibits water loss, migration, and mechanical damage on F-T surimi. An inhibitory effect of 4 % (w/w) NADES on oxidation was verified by a decrease in carbonyl contents (17.4 %, 8.63 %) and TBARS (37.9 %, 15.2 %) of surimi compared with control (P < 0.05) and sucrose + sorbitol after 5F-T cycles, suggesting the potential of NADES as a cryoprotectant for the food industry.
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Affiliation(s)
- Xin Du
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Baohua Kong
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Junjie He
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Quanyu Zhang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Geer An
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Tingting Zhang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xiufang Xia
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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Radhakrishnan A, Prabakaran DS, Ramesh T, Sakthivel R, Ramasamy K, Han HS, Jeyachandran S. Innate Immune Response Assessment in Cyprinus carpio L. upon Experimental Administration with Artemia salina Bio-Encapsulated Aeromonas hydrophila Bacterin. Vaccines (Basel) 2023; 11:vaccines11040877. [PMID: 37112789 PMCID: PMC10144060 DOI: 10.3390/vaccines11040877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/18/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
The present study aimed to analyze the enhancement of innate immune responses in juvenile-stage common carp (Cyprinus carpio L.), upon the administration of heat-killed Aeromonas hydrophila at a dosage of 1 × 107 CFU ml-1 through bio-encapsulation in the aquatic crustacean, Artemia salina. This work emphasizes the modulation of innate immune response when administered with the bio-encapsulated heat-killed antigen that acts as an inactivated vaccine against Motile Aeromonas Septicemia disease. Bio-encapsulated oral administration of antigens promotes innate immunity in juvenile-stage fishes. The optimization of effective bio-encapsulation of bacterin in Artemia salina nauplii was carried out and the best optimal conditions were chosen for immunization. The functional immune parameters such as myeloperoxidase, lysozyme, alkaline phosphatase, antiprotease and respiratory burst activity in serum, blood and intestinal tissue samples were analyzed along with blood differential leukocyte count and tissue histopathology studies. Both humoral and cellular immune responses analyzed were substantially induced or enhanced in the treatment groups in comparison with the control group. The results showed a significant variation in the bio-encapsulation group than the control group and also were comparable to the protection conferred with immersion route immunization under similar conditions. Thus, most of the innate non-specific immune responses are inducible, despite being constitutive of the fish immune system, to exhibit a basal level of protection and a road to better vaccination strategy in Cyprinus carpio L. aquaculture worldwide.
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Affiliation(s)
- Akshaya Radhakrishnan
- Department of Biotechnology & Microbiology, National College (Autonomous), Trichy 620001, Tamil Nadu, India
| | - D S Prabakaran
- Department of Radiation Oncology, College of Medicine, Chungbuk National University, Cheongju 28644, Republic of Korea
- Department of Biotechnology, Ayya Nadar Janaki Ammal College (Autonomous), Sivakasi 626124, Tamil Nadu, India
| | - Thiyagarajan Ramesh
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia
| | - Ramalingam Sakthivel
- School of Electrical Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Kavikumar Ramasamy
- School of Electrical Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Hyo-Shim Han
- Department of Biotechnology, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Sivakamavalli Jeyachandran
- Lab in Biotechnology & Biosignal Transduction, Department of Orthodontics, Saveetha Dental College & Hospitals, Chennai 600077, Tamil Nadu, India
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Liu R, Li H, Liu X, Liang B, Qi Y, Meng F, Yang G, Shan S. TRIM25 inhibits spring viraemia of carp virus replication by positively regulating RIG-I signaling pathway in common carp ( Cyprinus carpio L.). Fish Shellfish Immunol 2022; 127:306-317. [PMID: 35753558 DOI: 10.1016/j.fsi.2022.06.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 05/13/2022] [Accepted: 06/20/2022] [Indexed: 06/15/2023]
Abstract
Common carp (Cyprinus carpio L.) is one of the most widely cultivated fish in China. Spring viraemia of carp virus (SVCV) is a highly pathogenic virus and has often caused excessive losses in carp pond fisheries. Innate immune play important roles against virus infection. To better understand the immune response of common carp against SVCV infection, transcriptome analysis was performed using the Illumina Novaseq 6000 platform. It was showed that a total of 3953 differentially expressed unigenes were identified, and the RLR signaling pathway were significantly enriched after SVCV infection. Subsequently, the role of RLR signaling pathway in SVCV infection was studied. The results showed that common carp RIG-I (CcRIG-I) and TRIM25 (CcTRIM25) significantly decreased the replication of SVCV by inducing the phosphorylation of TBK1, IRF3 and p65 and the expression of ifn-1, viperin, isg15 and mx. Further studies illustrated that CcTRIM25 could positive regulate CcRIG-I mediated downstream signaling pathway. Finally, the mechanism of CcTRIM25 promoting CcRIG-I-mediated signaling was investigated. CcTRIM25 could interact with the caspase activation and recruitment domain (CARD) of CcRIG-I and promoted K63-linked polyubiquitination of CcRIG-I. Altogether, the study revealed a mechanism of CcTRIM25 regulating CcRIG-I mediated immune response in SVCV infection.
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Affiliation(s)
- Rongrong Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Hua Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Xiaoye Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Boyu Liang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Yue Qi
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Fei Meng
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China.
| | - Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China.
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Zhao Z, Zhang X, Zhao F, Zhou Z, Zhao F, Wang J, Liu T, Yang X, Zhang X, Li Z. Stress responses of the intestinal digestion, antioxidant status, microbiota and non-specific immunity in Songpu mirror carp ( Cyprinus carpio L.) under starvation. Fish Shellfish Immunol 2022; 120:411-420. [PMID: 34915148 DOI: 10.1016/j.fsi.2021.12.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 11/15/2021] [Accepted: 12/07/2021] [Indexed: 06/14/2023]
Abstract
Songpu mirror carp, Cyprinus carpio L., is a new variety of common carp that has become an economically important freshwater fish in China. However, it remains unknown how its metabolism is regulated under starvation. Here, we investigated how intestinal digestion, antioxidant status, microbiota and immune activities were affected under starvation stress. The feeding regimes were designed as follows: ST0 comprised fish allowed to feed continuously; ST1 comprised fish starved for 1 week; ST2 comprised fish starved for 2 weeks; ST3 comprised fish starved for 3 weeks; ST4 comprised fish starved for 4 weeks. Our results showed a significant decrease in the level of intestinal amylase, lipase, and protease activities in the group ST4 (P < 0.05). Compared with the control group, intestinal antioxidant enzyme activities were significantly increased during short-term starvation. The gene expression levels of interleukin 1β (IL-1β), interleukin 8 (IL-8) and tumor necrosis factor-alpha (TNF-α) were elevated in the groups ST3 and ST4. We also detected the reduction in the expression levels of interleukin 10 (IL-10) and transforming growth factor β (TGF-β2) compared with those of the group ST0. Notably, the gut microbial composition was dominated by Proteobacteria, Acidobacteria, Actinobacteria, Bacteroidetes, and Firmicutes. The relative abundance of the dominant microbial phyla changed significantly under starvation stress. Taken together, our results suggest that starvation can induce the change of intestinal digestion, non-specific immunity and microbiota in Songpu mirror carp, and provide new insights into its habitat selection and adaptation to environmental changes.
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Affiliation(s)
- Zhenxin Zhao
- Institute of Fisheries, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China; Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, 550025, China.
| | - Xianbo Zhang
- Institute of Fisheries, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China; Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, 550025, China
| | - Fei Zhao
- Institute of Fisheries, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China; Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, 550025, China
| | - Zhou Zhou
- Institute of Fisheries, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China; Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, 550025, China
| | - Feng Zhao
- Institute of Fisheries, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China; Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, 550025, China
| | - Jinle Wang
- Institute of Fisheries, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China; Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, 550025, China
| | - Ting Liu
- Institute of Fisheries, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China; Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, 550025, China
| | - Xing Yang
- Institute of Fisheries, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China; Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, 550025, China
| | - Xiaoping Zhang
- Institute of Fisheries, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China; Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, 550025, China
| | - Zhengyou Li
- Institute of Fisheries, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China; Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, 550025, China
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Chatterjee A, Bhattacharya R, Chatterjee S, Saha NC. λ cyhalothrin induced toxicity and potential attenuation of hematological, biochemical, enzymological and stress biomarkers in Cyprinus carpio L. at environmentally relevant concentrations: A multiple biomarker approach. Comp Biochem Physiol C Toxicol Pharmacol 2021; 250:109164. [PMID: 34390845 DOI: 10.1016/j.cbpc.2021.109164] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 08/03/2021] [Accepted: 08/06/2021] [Indexed: 12/11/2022]
Abstract
The present study was aimed to evaluate the toxic effects of a commonly used synthetic pyrethroid, λ cyhalothrin on the common carp, Cyprinus carpio L. The results depicted that 96 h LC50 value of λ cyhalothrin to the fish was 1.48 μg l-1. During 45 days of chronic exposure a significant reduction (p < 0.05) in the RBC, hemoglobin, and hematocrit value of fish was observed in λ cyhalothrin treated fish. Blood glucose, cholesterol and creatinine levels increased significantly, while total protein and albumin were significantly decreased (p < 0.05) in the exposed fish. Moreover, alanine aminotransferase and aspartate aminotransferase levels in the blood also increased significantly (p < 0.05) in the treated fish. In gills and liver, glutathione S-transferase (GST) and glutathione peroxidase (GPx) and in liver GST exhibited a significant initial augmentation followed by a subsequent reduction while catalase (CAT), superoxide dismutase (SOD), and malondialdehyde (MDA) level increased markedly with incrementing concentrations of λ cyhalothrin in both the organs. Acetylcholinesterase (AchE) activity in both gills and liver decreased in exposed fish upon addition λ cyhalothrin. However, the hazardous effects of λ cyhalothrin on C. carpio were characterized and portrayed by the development of integrated biomarker response (IBR), and biomarker response index (BRI). GUTS-SD and IT modeling were implied for a better interpretation of the toxicity. These results indicate that exposure to λ cyhalothrin alters the survivability at the acute level and the activity of hematological, plasma biochemical as well as enzymological and stress parameters (in gills and liver) at the sublethal level in C. carpio.
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Affiliation(s)
- Arnab Chatterjee
- Fishery and Ecotoxicology Research Laboratory (Vice-Chancellor's Research Group), Department of Zoology, The University of Burdwan, Burdwan 713104, West Bengal, India
| | - Ritwick Bhattacharya
- Fishery and Ecotoxicology Research Laboratory (Vice-Chancellor's Research Group), Department of Zoology, The University of Burdwan, Burdwan 713104, West Bengal, India
| | - Soumendranath Chatterjee
- Parasitology & Microbiology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan, West Bengal, India
| | - Nimai Chandra Saha
- Fishery and Ecotoxicology Research Laboratory (Vice-Chancellor's Research Group), Department of Zoology, The University of Burdwan, Burdwan 713104, West Bengal, India.
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Liu R, Liu X, Song M, Qi Y, Li H, Yang G, Shan S. Cyprinus carpio TRIF Participates in the Innate Immune Response by Inducing NF-κB and IFN Activation and Promoting Apoptosis. Front Immunol 2021; 12:725150. [PMID: 34504499 PMCID: PMC8421551 DOI: 10.3389/fimmu.2021.725150] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 08/02/2021] [Indexed: 01/08/2023] Open
Abstract
TRIF, an important adaptor downstream of Toll-like receptor signaling, plays a critical role in the innate immune response. In this study, the full-length coding sequence of TRIF from common carp (Cyprinus carpio L.) was cloned and characterized. Bioinformatics analysis showed that common carp TRIF exhibited a conserved TIR domain and had the closest relationship with grass carp TRIF. Expression analysis revealed that TRIF was constitutively expressed in the examined tissues of common carp, with the highest expression in the spleen and the lowest expression in the head kidney, and could be upregulated under Aeromonas hydrophila and poly(I:C) stimulation in vivo and under poly(I:C), LPS, PGN, flagellin, and Pam3CSK4 stimulation in vitro. Laser confocal microscopy showed that common carp TRIF colocalized with the Golgi apparatus. A luciferase reporter assay showed that carp TRIF elicited the activity of ifn-1 and nf-κb through the C-terminal domain. Additionally, crystal violet staining and qPCR assays revealed that carp TRIF inhibited the replication of SVCV in epithelioma papulosum cyprini (EPC) cells. Then, the signaling downstream of carp TRIF was investigated. Coimmunoprecipitation and Western blotting analysis demonstrated that carp TRIF interacted with TBK1 and augmented the expression of TRAF6 and phosphorylation of TBK1. Overexpression of carp TRIF significantly enhanced the expression of interferon-stimulated genes and inflammatory cytokines. Furthermore, flow cytometric (FCM) analysis suggested that carp TRIF induced apoptosis through the activation of caspase-8. In summary, our study indicated that TRIF plays an essential role in the innate immune responses of common carp against bacterial and viral infection.
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Affiliation(s)
- Rongrong Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, China
| | - Xiaoye Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, China
| | - Meijiao Song
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, China
| | - Yue Qi
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, China
| | - Hua Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, China
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, China
| | - Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, China
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Barbacariu CA, Burducea M, Dîrvariu L, Oprea E, Lupu AC, Teliban GC, Agapie AL, Stoleru V, Lobiuc A. Evaluation of Diet Supplementation with Wheat Grass Juice on Growth Performance, Body Composition and Blood Biochemical Profile of Carp ( Cyprinus carpio L.). Animals (Basel) 2021; 11:ani11092589. [PMID: 34573554 PMCID: PMC8468175 DOI: 10.3390/ani11092589] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/23/2021] [Accepted: 09/01/2021] [Indexed: 12/22/2022] Open
Abstract
Wheat grass juice (WGJ) is an extract of young wheat plantlets (Triticum aetivum L.) used worldwide for its health related properties. In this study, the following feeds containing WGJ were tested on common carp (Cyprinus carpio L.): Control (C), WGJ1% (V1), WGJ2% (V2) and WGJ4% (V3) w/w. Fish with an average initial weight of 102 g/individual were grown in a recirculating aquaculture system. The results showed that WGJ had stimulatory effects on growth performance. Accordingly, final body weight increased by 11% at V1, 39% at V2 and 23% at V3, while other indices (feed conversion ratio, specific growth rate, relative growth rate, protein efficiency ratio, and condition factor) were unaffected. Body composition analyses revealed a significant decrease in fat content at V2 and a significant increase in collagen and ash at the same variant, while the protein content was unmodified. Regarding the blood profile, significant increases in the content of albumin, globulin, total protein, and calcium were recorded in the variants with WGJ. The positive results of WGJ on carp can be attributed to its biochemical composition, which is rich in chlorophyll (4.71 mg mL-1), total phenols (164 µg mL-1 gallic acid equivalents), and high antioxidant activity (67% inhibition of DPPH 2,2-diphenyl-1-picrylhydrazyl). The results suggest WGJ can be used as a promising feed additive for common carp.
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Affiliation(s)
- Cristian-Alin Barbacariu
- Research and Development Station for Aquaculture and Aquatic Ecology, “Alexandru Ioan Cuza” University, Soseaua Iasi-Ciurea, km 5, 700718 Iasi, Romania; (C.-A.B.); (L.D.); (E.O.)
| | - Marian Burducea
- Research and Development Station for Aquaculture and Aquatic Ecology, “Alexandru Ioan Cuza” University, Soseaua Iasi-Ciurea, km 5, 700718 Iasi, Romania; (C.-A.B.); (L.D.); (E.O.)
- Correspondence: ; Tel.: +40-744-423-710
| | - Lenuta Dîrvariu
- Research and Development Station for Aquaculture and Aquatic Ecology, “Alexandru Ioan Cuza” University, Soseaua Iasi-Ciurea, km 5, 700718 Iasi, Romania; (C.-A.B.); (L.D.); (E.O.)
| | - Eugen Oprea
- Research and Development Station for Aquaculture and Aquatic Ecology, “Alexandru Ioan Cuza” University, Soseaua Iasi-Ciurea, km 5, 700718 Iasi, Romania; (C.-A.B.); (L.D.); (E.O.)
| | - Andrei-Cristian Lupu
- Veterinary Medicine Department, “Ion Ionescu de la Brad” University of Life Sciences, 3 M. Sadoveanu, 700440 Iasi, Romania;
| | - Gabriel-Ciprian Teliban
- Horticulture Department, “Ion Ionescu de la Brad” University of Life Sciences, 3 M. Sadoveanu, 700440 Iasi, Romania; (G.-C.T.); (V.S.)
| | - Alina Laura Agapie
- Agricultural Research and Development Station Lovrin, 200, 307250 Lovrin, Romania;
| | - Vasile Stoleru
- Horticulture Department, “Ion Ionescu de la Brad” University of Life Sciences, 3 M. Sadoveanu, 700440 Iasi, Romania; (G.-C.T.); (V.S.)
| | - Andrei Lobiuc
- Human Health and Development Department, “Stefan Cel Mare” University, Universitatii Street, 720229 Suceava, Romania;
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Shan S, Liu R, Feng H, Meng F, Aizaz M, Yang G. Identification and functional characterization of a fish-specific tlr19 in common carp ( Cyprinus carpio L.) that recruits TRIF as an adaptor and induces ifn expression during the immune response. Vet Res 2021; 52:88. [PMID: 34130754 PMCID: PMC8207781 DOI: 10.1186/s13567-021-00957-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 05/02/2021] [Indexed: 02/08/2023] Open
Abstract
Toll-like receptor 19 (Tlr19) is a fish-specific TLR that plays a critical role in innate immunity. In the present study, we aimed to identify tlr19 from common carp (Cyprinus carpio L.) and explored its expression profile, localization, adaptor, and signaling pathways. A novel tlr19 cDNA sequence (Cctlr19) was identified in common carp. Phylogenetic analysis revealed that CcTlr19 was most closely related to Danio rerio Tlr19. Subcellular localization analysis indicates that CcTlr19 was synthesized in the free ribosome and then transported to early endosomes. Cctlr19 was constitutively expressed in all the examined tissues, with the highest expression in the brain. After poly(I:C) and Aeromonas hydrophila injection, the expression of Cctlr19 was significantly upregulated in immune-related organs. In addition, the expression of Cctlr19 was upregulated in head kidney leukocytes (HKL) upon stimulation with different ligands. Immunofluorescence and luciferase analyses indicate that CcTlr19 recruited TRIF as an adaptor. Furthermore, CcTlr19 can activate the expression of ifn-1 and viperin. Taken together, these findings lay the foundation for future research to investigate the mechanisms underlying fish tlr19.
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Affiliation(s)
- Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China.
| | - Rongrong Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Hanxiao Feng
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Fei Meng
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Muhanmmad Aizaz
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No.88 East Wenhua Road, Jinan, 250014, China.
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11
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Yang L, Zhi S, Yang G, Qin C, Zhao W, Niu M, Zhang W, Tang W, Yan X, Zhang Y, Meng X, Lu R, Nie G. Molecular identification of FNDC5 and effect of irisin on the glucose metabolism in common carp ( Cyprinus carpio L.). Gen Comp Endocrinol 2021; 301:113647. [PMID: 33166532 DOI: 10.1016/j.ygcen.2020.113647] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 09/01/2020] [Accepted: 10/06/2020] [Indexed: 12/25/2022]
Abstract
Irisin, encoded by fibronectin type III domain-containing protein 5 (FNDC5) gene, plays a role in energy expenditure and insulin sensitivity in mice. In fish, the function of irisin related to glucose metabolism is less reported. It may increase glucose utilization in fish. The aim of the present study was to characterize the regulatory role of irisin in glucose metabolism in common carp (Cyprinus carpio L.). In this study, FNDC5a and FNDC5b were isolated from common carp. The cDNA of FNDC5a and FNDC5b were 722 bp and 714 bp, encoding 221 and 207 amino acids, respectively. FNDC5a was abundantly expressed in the brain and gonad. FNDC5b was mainly expressed in brain. Different expression pattern of FNDC5a and FNDC5b under fasting/refeeding and OGTT experiment were identified. The recombinant common carp irisinA and irisinB were prepared by prokaryotic expression system. Glucose concentration was decreased in treatment with irisinA or irisinB in the in vitro and in vivo experiments. The mRNA expression levels of gluconeogenesis-related genes were significantly down-regulated, while the mRNA expression of glycolysis-related genes were significantly up-regulated after treatment with recombinant irisinA or irisinB in liver in vivo and in primary hepatocytes in vitro. Our research shows that irisin inhibits hepatic gluconeogenesis and promotes hepatic glycolysis. Taken together, this study for the first time revealed the two subtypes of FNDC5 and explored the function and mechanisms of irisinA and irisinB in fish glucose homeostasis.
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Affiliation(s)
- Liping Yang
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Shaoyang Zhi
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Guokun Yang
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Chaobin Qin
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Wenli Zhao
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Mingming Niu
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Wenlei Zhang
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Wenyu Tang
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Xiao Yan
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Yuru Zhang
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Xiaolin Meng
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Ronghua Lu
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China
| | - Guoxing Nie
- College of Fisheries, Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, No. 46 Jianshe Road, Xinxiang 453007, PR China.
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Yan X, Qin C, Yang G, Deng D, Yang L, Feng J, Mi J, Nie G. The Regulatory Role of Apelin on the Appetite and Growth of Common Carp ( Cyprinus Carpio L.). Animals (Basel) 2020; 10:E2163. [PMID: 33233604 DOI: 10.3390/ani10112163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 11/16/2020] [Accepted: 11/18/2020] [Indexed: 02/07/2023] Open
Abstract
Apelin, a kind of active polypeptide, has many biological functions, such as promoting food intake, enhancing immunity, and regulating energy balance. In mammals, studies have indicated that apelin is involved in regulating food intake. However, there are relatively few studies about the regulatory effect of apelin on fish feeding, and the specific mechanism is not clear. Therefore, the purpose of this study was to preliminarily investigate the regulatory effects of apelin on key genes of feeding and growth in common carp (Cyprinus Carpio L.) through in vitro and in vivo experiments. In the present study, after incubation with different concentrations of Pyr-apelin-13 (0, 10, 100, and 1000 nM) in hypothalamic fragments, the expressions of Neuropeptide Y (NPY) and Agouti related peptide (AgRP) mRNA were significantly up-regulated at 12 and 3 h, respectively, and the significant down-regulation of Cocaine and amphetamine-related transcript (CART) mRNA expression was observed at 1 and 3 h. In vivo, after Pyr-apelin-13 oral administration (0, 1, 10, and 100 pmol/g), the orexin mRNA level in the hypothalamus of common carp was significantly increased at 1, 6, and 12 h, while CART/(Proopiomelanocortin) POMC mRNA levels in the hypothalamus of common carp were significantly down-regulated. Following incubation with different concentrations of Pyr-apelin-13 (0, 10, 100, and 1000 nM) in primary hepatocytes, GHR (Growth hormone receptor), IGF2 (Insulin-like growth factor 2), IGFBP2 (Insulin like growth factor binding protein 2), and IGFBP3 (Insulin like growth factor binding protein 3) mRNA levels were significantly increased at 3 h. In vivo, the levels of IGF1 (Insulin-like growth factor 1), IGF2, IGFBP2 (Insulin like growth factor binding protein 2), and IGFBP3 mRNA were significantly increased after the oral administration of Pyr-apelin-13 in the hepatopancreas, in a time and dose-dependent manner. These results support the hypothesis that Pyr-apelin-13 might regulate the feeding and growth of common carp through mediating the expressions of appetite- and growth-related genes. Overall, apelin, which is an orexigenic peptide, improves food intake and is involved in the growth of common carp.
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Shan S, Liu R, Feng H, Zhang Y, Zhang F, Lv C, Yang G. Identification and functional characterization of the transcription factor NF-κB subunit p65 in common carp ( Cyprinus carpio L.). Fish Shellfish Immunol 2019; 95:25-34. [PMID: 31610289 DOI: 10.1016/j.fsi.2019.10.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 09/20/2019] [Accepted: 10/06/2019] [Indexed: 06/10/2023]
Abstract
p65 is an important subunit of the transcription factor NF-κB in the regulation of immune response. In the present study, the p65 cDNA was identified from common carp (Cyprinus carpio L.) (named Ccp65). Phylogenetic analysis revealed that Ccp65 located in the same clade as piscine p65 and exhibited closest relationship to that of Ctenopharyngodon idella. Ccp65 was constitutively expressed in all the examined tissues. Aeromonas hydrophila and poly(I:C) can induce the expression of Ccp65 in the designated tissues and the Ccp65 expression was up-regulated in HKLs following LPS and poly(I:C) stimulation. In addition, the nuclear localization signal (NLS) and C-terminal domain are the important elements of Ccp65. Immunofluorescence assay revealed that the nuclear localization signal deletion mutation of Ccp65 (Ccp65ΔNLS) failed to translocate to the nucleus even though stimulation with poly(I:C) or LPS, and the C-terminal domain deletion mutation of Ccp65 (Ccp65ΔC) did not up-regulate the luciferase activity. Furthermore, Ccp65 can induce the expression of il-1β and tnf-α. And LPS and poly(I:C) inducing the expression of il-1β and tnf-α, is dependent on the Ccp65. Taken altogether, these findings lay the foundations for future research to investigate the mechanisms underlying fish p65.
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Affiliation(s)
- Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, China.
| | - Rongrong Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Hanxiao Feng
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Yonghuan Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Fumiao Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Cui Lv
- Laboratory of Immunology for Environment and Health, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, China.
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Meng X, Hu W, Wu S, Zhu Z, Lu R, Yang G, Qin C, Yang L, Nie G. Chinese yam peel enhances the immunity of the common carp ( Cyprinus carpio L.) by improving the gut defence barrier and modulating the intestinal microflora. Fish Shellfish Immunol 2019; 95:528-537. [PMID: 31678187 DOI: 10.1016/j.fsi.2019.10.066] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 10/25/2019] [Accepted: 10/29/2019] [Indexed: 06/10/2023]
Abstract
The Chinese yam peel (CYP) is a by-product of yam processing that is rich in various nutrients and a good source for feed additives. This study investigated the effects of CYP on the intestinal microbiota and gut defence barrier of the common carp (Cyprinus carpio L.). Different groups of experimental fish were fed a normal control diet (NC), a low CYP diet (LYP) and a high CYP diet (HYP) for 8 weeks. After the feeding trial, the fish were assessed for intestinal enzyme activity, intestinal histology, immune-related gene expression, intestinal SCFAs and intestinal microbiota. Our results indicated that the intestinal integrity and antioxidant enzyme (CAT and SOD) activity in the common carp were enhanced following CYP supplementation. The mRNA levels of anti-inflammatory (TGF-β), tight binding protein (occludin and ZO-1) and pathway factor genes (TLR4 and NF-κB) were significantly upregulated in the HYP group (P<0.05), which was accompanied by an increase in the level of pro-inflammatory IL-1β in the gut (P<0.05). High-throughput sequencing revealed that Fusobacteria, Proteobacteria, and Bacteroidetes bacteria were most abundant in the microbial community in the gut of the common carp. The relative abundances of Bacteroides, Flavobacterium and Lactobacillus were increased, while the abundances of pathogenic microorganisms such as Enterobacteriaceae, Shewanella, Pseudomonas and Vibrio were reduced after treatment with CYP. Furthermore, the concentrations of acetic acid, propionic acid, butyric acid and total short-chain fatty acids (SCFAs) in the gut were also increased (P<0.05). Finally, our results revealed correlations between gut microbiota, SCFAs, non-specific immunity and antioxidant enzymes in CYP-fed carp. These results suggest that CYP-supplemented feed could improve the immunity of the common carp by modulating the intestinal microflora and enhancing the gut defence barrier and has the potential to be used as an immunostimulating feed additive in aquaculture.
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Affiliation(s)
- Xiaolin Meng
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, 453007, PR China
| | - Wenpan Hu
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China
| | - Shengkui Wu
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China
| | - Zhenxiang Zhu
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China
| | - Ronghua Lu
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, 453007, PR China
| | - Guokun Yang
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, 453007, PR China
| | - Chaobin Qin
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, 453007, PR China
| | - Liping Yang
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, 453007, PR China
| | - Guoxing Nie
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China; Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Henan Normal University, Xinxiang, 453007, PR China.
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Feng J, Chang X, Zhang Y, Yan X, Zhang J, Nie G. Effects of Lactococcus lactis from Cyprinus carpio L. as probiotics on growth performance, innate immune response and disease resistance against Aeromonas hydrophila. Fish Shellfish Immunol 2019; 93:73-81. [PMID: 31302283 DOI: 10.1016/j.fsi.2019.07.028] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 07/06/2019] [Accepted: 07/11/2019] [Indexed: 06/10/2023]
Abstract
In the present study, we reported 18 LAB strains isolated from the intestinal contents of Cyprinus carpio, and their probiotic properties both in vitro and in vivo. The results showed that 9 of them had higher in vitro immunomodulatory properties, effectively survived under acidic (pH 2.5) and bile salt (ranging from 0.1% to 0.5%) conditions, and inhibited the growth of 4 pathogens. Among them, Lactococcus lactis Q-8, Lactococcus lactis Q-9, and Lactococcus lactis Z-2 showed the strongest adhesion abilities and inhibition of pathogen adhesion to mucin. When the fish consumed diets containing these 3 strains (5 × 108 CFU/g) for 8 weeks, the weight gain (WG) and specific growth rate (SGR) had significantly (P < 0.05) increased, especially with L. lactis Q-8, which had a WG of 231.45%, and SGR of 2.22%. Survival rate in each LAB supplementation group was also significantly higher than that in control group during the feeding period (P < 0.05). For the cytokines expression levels in serum, different expression patterns were also observed. Before the infection with Aeromonas hydrophila, L. lactis supplementation significant up-regulated protein levels of pro-inflammatory cytokines (TNF-α, IL-1β, IL-6, IL-12) compared with negative (CK1) group, while these cytokines were significantly lower than those in positive (CK2) group after infection. However, whether infected or not, the expression of anti-inflammatory cytokines (IL-10, TGF-β) were significantly increased in L. lactis Q-8, L. lactis Q-9, and L. lactis Z-2 treatment groups. In conclusion, these 3 L. lactis strains screened from common carp were effective in improving growth, innate immunity and disease resistance. Based on the physiological characteristics in our study, they might be used as potential probiotics in aquaculture.
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Affiliation(s)
- Junchang Feng
- Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Engineering Lab of Henan Province for Aquatic Animal Disease Control, College of Fisheries, Henan Normal University, Xinxiang, China
| | - Xulu Chang
- Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Engineering Lab of Henan Province for Aquatic Animal Disease Control, College of Fisheries, Henan Normal University, Xinxiang, China
| | - Yuru Zhang
- Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Engineering Lab of Henan Province for Aquatic Animal Disease Control, College of Fisheries, Henan Normal University, Xinxiang, China
| | - Xiao Yan
- Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Engineering Lab of Henan Province for Aquatic Animal Disease Control, College of Fisheries, Henan Normal University, Xinxiang, China
| | - Jianxin Zhang
- Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Engineering Lab of Henan Province for Aquatic Animal Disease Control, College of Fisheries, Henan Normal University, Xinxiang, China.
| | - Guoxing Nie
- Engineering Technology Research Center of Henan Province for Aquatic Animal Cultivation, Engineering Lab of Henan Province for Aquatic Animal Disease Control, College of Fisheries, Henan Normal University, Xinxiang, China.
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Ma J, Zhu J, Wang W, Ruan P, Rajeshkumar S, Li X. Biochemical and molecular impacts of glyphosate-based herbicide on the gills of common carp. Environ Pollut 2019; 252:1288-1300. [PMID: 31252126 DOI: 10.1016/j.envpol.2019.06.040] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 06/03/2019] [Accepted: 06/08/2019] [Indexed: 06/09/2023]
Abstract
Glyphosate (GLY)-based herbicide, one of the most widely used herbicides, might cause a series of environmental problems and pose a toxicological risk to aquatic organisms. However, data on the potential hazard and toxicity mechanism of GLY to fish gills are relatively scarce. In this study, a subacute toxicity test of common carp (Cyprinus carpio L.) treated with commercial GLY at 52.08 and 104.15 mg L-1 for 7 d was conducted. The results revealed that GLY exposure significantly inhibited Na+/K+-ATPase and increased AST and ALT activities in the fish gills. The biochemical assays results revealed that GLY treatment remarkably altered the transcriptional levels of HSP70 and HSP90; inhibited the activities of SOD, CAT, GPx, GR, and T-AOC; reduced the contents of GSH, but remarkably promoted MDA and PC contents, suggesting that GLY exposure induced oxidative stress and lipids and proteins damage in the carp gills. Further research revealed that GLY exposure also promoted expression of NF-κB, iNOS, IL-1β, IL-6, IL-8, and TNF-α; altered the levels of IL-10 and TGF-β, indicating that GLY exposure induced inflammatory response in the fish gills. Additionally, we found that GLY exposure activated apaf-1 and bax and inhibited bcl-2, induced caspase-9 and caspase-3 expression and caused remarkable histological damage in the fish gills. These results may further enriches the toxicity mechanistic theory of GLY to fish gills, which may be useful for the risk assessment of GLY and aquatic organism protection.
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Affiliation(s)
- Junguo Ma
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Jingyi Zhu
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Wanying Wang
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Panpan Ruan
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Sivakumar Rajeshkumar
- Arts and Science College, Bharathiyar University Coimbatore, 641029, Tamil Nadu, India
| | - Xiaoyu Li
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China.
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Shan S, Liu R, Jiang L, Zhu Y, Li H, Xing W, Yang G. Carp Toll-like receptor 8 (Tlr8): An intracellular Tlr that recruits TIRAP as adaptor and activates AP-1 pathway in immune response. Fish Shellfish Immunol 2018; 82:41-49. [PMID: 30077802 DOI: 10.1016/j.fsi.2018.08.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 07/28/2018] [Accepted: 08/01/2018] [Indexed: 06/08/2023]
Abstract
Toll-like receptor 8 (Tlr8) is a member of intracellular TLRs family and play a critical role in the innate immunity. In the present study, we aimed to identify tlr8 from common carp (Cyprinus carpio L.), and explored its expression profile, localization, adaptor, and signaling pathways. A novel tlr8 cDNA sequence (Cctlr8) was identified from the carp, containing a signal peptide, a LRR-N-terminal (LRR-NT), 14 leucine-rich repeats, a LRR-C-terminal (LRR-CT), a transmembrane region and a TIR domain. Phylogenetic analysis revealed that CcTlr8 exhibited closest relationship to that of Ctenopharyngodon idella and Danio. rerio. Subcellular localization analysis indicated that CcTlr8 was localized to the endoplasmic reticulum in both HeLa cells and EPC cells. Quantitative Real-Time PCR analysis demonstrated that Cctlr8 was constitutively expressed in all the examined tissues, with the highest expression observed in the spleen. After poly (I:C) injection, the expression of Cctlr8 was significantly up-regulated in all the tested tissues. In addition, the expression of Cctlr8 was up-regulated in both PBLs and HKLs following poly (I:C) stimulation. The results of immuofluorescence and coimmunoprecipitation analysis indicated that CcTlr8 might recruit TIRAP as the adaptor. Furthermore, Luciferase reporter assays revealed that CcTlr8 could activate AP-1 in 293 T cells. Taken altogether, these findings lay the foundations for future research to investigate the mechanisms underlying fish tlr8.
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Affiliation(s)
- Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, PR China
| | - Rongrong Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, PR China
| | - Lei Jiang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, PR China
| | - Yaoyao Zhu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, PR China
| | - Hua Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, PR China
| | - Weixian Xing
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, PR China.
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, PR China.
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18
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Yang Q, He J, He SY, Wang KY, Geng Y, Chen DF, Huang XL, Ou-Yang P. Acute and Subacute toxicity study of Olaquindox by feeding to common carp ( Cyprinus carpio L.). Ecotoxicol Environ Saf 2018; 161:342-349. [PMID: 29890435 DOI: 10.1016/j.ecoenv.2018.05.079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 04/25/2018] [Accepted: 05/24/2018] [Indexed: 06/08/2023]
Abstract
Olaquindox, is a growth-promoting feed additive for food-producing animals. As the banned medicinal feed additive, olaquindox in animal feed and water must be concerned as an important hazard index. To improve studies of the toxicity of olaquindox, we provide a toxicological effects of olaquindox on a common freshwater fish, Cyprinus carpio L. The results of acute toxicity tests showed that the 7d-LD50 of olaquindox administered by feeding for common carp was determined to be 3746.3 mg/kg. We also found that the accumulation coefficient of olaquindox in carp was 1.45-1.9. Based on the studied hematological and blood biochemical parameters (RBCs count, hemoglobin content, ALT, AST and SOD activity), we found that olaquindox induced significant alterations in all studied parameters. Regarding bioaccumulation, the results showed that olaquindox had more efficiency to internalize fish tissues (liver, kidneys and muscle). The histopathological investigation of tissues from poisoning fish revealed various alterations that varied between adaptation responses and permanent tissue damage. Our results indicate that olaquindox are toxic to common carp and have obvious accumulation, and all the data from acute and subacute toxicity experiments in common carp may provide a useful tool for assessing the toxicity of olaquindox to aquatic organisms.
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Affiliation(s)
- Qian Yang
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang District, Huimin Road No. 211, Chengdu 611130, Sichuan, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang District, Huimin Road No.211, Chengdu 611130, Sichuan, PR China
| | - Jie He
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang District, Huimin Road No. 211, Chengdu 611130, Sichuan, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang District, Huimin Road No.211, Chengdu 611130, Sichuan, PR China
| | - Sheng-Yu He
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang District, Huimin Road No. 211, Chengdu 611130, Sichuan, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang District, Huimin Road No.211, Chengdu 611130, Sichuan, PR China
| | - Kai-Yu Wang
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang District, Huimin Road No. 211, Chengdu 611130, Sichuan, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang District, Huimin Road No.211, Chengdu 611130, Sichuan, PR China.
| | - Yi Geng
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang District, Huimin Road No. 211, Chengdu 611130, Sichuan, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang District, Huimin Road No.211, Chengdu 611130, Sichuan, PR China
| | - De-Fang Chen
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang District, Huimin Road No.211, Chengdu 611130, Sichuan, PR China; Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Wenjiang District, Huimin Road No.211, Chengdu 611130, Sichuan, PR China
| | - Xiao-Li Huang
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang District, Huimin Road No.211, Chengdu 611130, Sichuan, PR China; Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Wenjiang District, Huimin Road No.211, Chengdu 611130, Sichuan, PR China
| | - Ping Ou-Yang
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang District, Huimin Road No. 211, Chengdu 611130, Sichuan, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang District, Huimin Road No.211, Chengdu 611130, Sichuan, PR China
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Meng XL, Li S, Qin CB, Zhu ZX, Hu WP, Yang LP, Lu RH, Li WJ, Nie GX. Intestinal microbiota and lipid metabolism responses in the common carp ( Cyprinus carpio L.) following copper exposure. Ecotoxicol Environ Saf 2018; 160:257-264. [PMID: 29852428 DOI: 10.1016/j.ecoenv.2018.05.050] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 04/29/2018] [Accepted: 05/22/2018] [Indexed: 06/08/2023]
Abstract
The present study was conducted to determine the effects of waterborne copper exposure on the lipid metabolism and intestinal microbiota of juvenile common carp (Cyprinus carpio L.). Common carp were exposed to four waterborne copper (Cu) concentrations (0 (control), 0.07 (low), 0.14 (medium), and 0.28 (high) mg Cu/L) for 8 weeks. Exposure to a high concentration of Cu had a negative effect on growth indices (weight gain rate (WGR) and specific growth rate (SGR)). The biochemical indices measured in serum (low-density lipoprotein (LDL) and triglycerides (TGs)) were significantly affected by exposure to medium concentration levels of Cu. The mRNA levels of lipogenic enzymes (acetyl-CoA carboxylase 1 (ACC-1) and fatty acid synthase (FAS)) and sterol-regulator element-binding protein-1 (SREBP-1) in liver tissue and tight binding protein genes (ZO-1 and occludin) in intestinal epithelial tissue were significantly downregulated in the 0.14 and 0.28 mg/L Cu treatment groups, accompanied by upregulated mRNA levels of lipolysis enzymes (lipoprotein lipase (LPL) and carnitine palmitoyl transferase 1 (CPT-1)) in the liver. The data also showed that the composition of intestinal microbiota was changed following Cu exposure and could alter the α-diversity and β-diversity. The abundances of few putative short-chain fatty acid (SCFA)-producing bacteria, including Allobaculum, Blautia, Coprococcus, Faecalibacterium, Roseburia, and Ruminococcus, decreased significantly. More specifically, Roseburia sequences were positively associated with lipogenic enzymes, total protein (TP), and TGs and negatively associated with lipolysis enzymes. Other sequences related to probiotics (Lactobacillus, Bacillus and Akkermansia) were also found to decrease, accompanied by an increase in sequences related to pathogens (Pseudomonas and Acinetobacter). To the best of our knowledge, the present study provides the first evidence that waterborne, chronic Cu exposure can disturb the composition of intestinal microbiota related to lipid metabolism and immunity in freshwater fish, thereby increasing the risk of pathogen invasion.
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Affiliation(s)
- Xiao-Lin Meng
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Shuai Li
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Chao-Bin Qin
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Zhen-Xiang Zhu
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Wen-Pan Hu
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Li-Ping Yang
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Rong-Hua Lu
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Wen-Jun Li
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Guo-Xing Nie
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China.
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Shan S, Liu D, Liu R, Zhu Y, Li T, Zhang F, An L, Yang G, Li H. Non-mammalian Toll-like receptor 18 (Tlr18) recognizes bacterial pathogens in common carp ( Cyprinus carpio L.): Indications for a role of participation in the NF-κB signaling pathway. Fish Shellfish Immunol 2018; 72:187-198. [PMID: 29111394 DOI: 10.1016/j.fsi.2017.09.081] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 09/28/2017] [Accepted: 09/30/2017] [Indexed: 05/05/2023]
Abstract
Toll-like receptors are important pattern recognition receptors that can recognize pathogen-associated molecular patterns (PAMPs) and play a critical role in innate immunity. In the present study, tlr18 was identified from common carp (Cyprinus carpio L.) (named Cctlr18). The deduced amino acid sequence contained only a signal peptide, eight LRR (leucine-rich repeat) motifs, a transmembrane region and a TIR (Toll/IL-1 receptor) domain. Phylogenetic analysis showed that CcTlr18 was most closely related to Ctenopharyngodon idella Tlr18. Quantitative real-time PCR analysis showed that Cctlr18 was constitutively expressed in all investigated tissues with the highest expression level in the skin and lowest expression in the gonad. After injection with inactivated Aeromonas hydrophila, Cctlr18 expression was significantly up-regulated in the head kidney, foregut, hindgut and skin. Moreover, significant up-regulation of Cctlr8 was observed in the spleen, head kidney, hindgut and skin after immersion with live A. hydrophila. In addition, the expression of Cctlr18 was up-regulated in PGN or flagellin-stimulated HKLs. Luciferase reporter assays showed that Cctlr18 activated NF-κB in 293 T cells and that NF-κB activity was enhanced in Cctlr18 and Ccmyd88 co-transfected cells. Furthermore, Cctlr18 could induce the expression of cytokines genes, including ifn, il-1β and il-10, in EPC cells. The results suggested that Cctlr18 plays an important role in the immune response and provides basic information for investigating the mechanisms of fish tlr18.
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Affiliation(s)
- Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Dezhi Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Rongrong Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Yaoyao Zhu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Ting Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Fumiao Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Liguo An
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, People's Republic of China.
| | - Hua Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, People's Republic of China.
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Przybylska-Diaz DA, Schmidt JG, Vera-Jiménez NI, Steinhagen D, Nielsen ME. β-glucan enriched bath directly stimulates the wound healing process in common carp ( Cyprinus carpio L.). Fish Shellfish Immunol 2013; 35:998-1006. [PMID: 23770625 DOI: 10.1016/j.fsi.2013.05.014] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2012] [Revised: 05/09/2013] [Accepted: 05/20/2013] [Indexed: 06/02/2023]
Abstract
Wound healing is a complex and well-organized process in which physiological factors and immune mechanisms are involved. A number of different immune modulators have been found to enhance the non-specific defence system in vertebrates, among which β-glucans are the most powerful and extensively investigated. The aim of the present study was to investigate the biological impact of two different commercially available β glucan containing products on the wound healing process in carp. Throughout a two week experiment fish were kept either untreated (control), or in water supplemented with the two different types of β-glucans. The wound healing process was monitored using a multispectral visualisation system. The correlation between wound closure and immune response was investigated by measuring the gene expression patterns of IL-1β, IL-6 family member M17, IL-8 and Muc5b, and measurement of production of radical oxygen species. PAMPs/DAMPs stimulation caused by the wounding and or β-glucans resulted in an inflammatory response by activating IL-1β, IL-6 family member M17 and IL-8 and differences in the expression pattern were seen depending on stimuli. IL-1β, IL-6 family member M17 and IL-8 were activated in all wounds regardless of treatment. Expression of all three interleukins was highly up regulated in control wounded muscle already at day 1 post-wounding and decreased at subsequent time-points. The reverse was the case with control wounded skin, where expression increased from day 1 through day 14. The results for the β-glucan treated wounds were more complex. The images showed significantly faster wound contraction in both treated groups compared to the control. The obtained results clearly demonstrated that a β glucan enriched bath promotes the closure of wounds in common carp and induce a local change in cytokine expression.
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Affiliation(s)
- D A Przybylska-Diaz
- DTU Food, National Food Institute, Biological Quality Research Group, Mørkhøj Bygade 19, DK 2860 Søborg, Denmark
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