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Abdulazeez I, Ismail IS, Mohd Faudzi SM, Christianus A, Chong SG. Study on the acute toxicity of sodium taurocholate via zebrafish mortality, behavioral response, and NMR-metabolomics analysis. Drug Chem Toxicol 2024; 47:115-130. [PMID: 37548163 DOI: 10.1080/01480545.2023.2242005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 07/20/2023] [Indexed: 08/08/2023]
Abstract
Sodium taurocholate (NaT) is a hydrophobic bile salt that exhibits varying toxicity and antimicrobial activity. The accumulation of BSs during their entero-hepatic cycle causes cytotoxicity in the liver and intestine and could also alter the intestinal microbiome leading to various diseases. In this research, the acute toxicity of sodium taurocholate in different concentrations (3000 mg/L, 1500 mg/L, 750 mg/L, 375 mg/L, and 0 mg/L) was investigated on four months old zebrafish by immersion in water for 96 h. The results were determined based on the fish mortality, behavioral response, and NMR metabolomics analysis which revealed LC50 of 1760.32 mg/L and 1050.42 mg/L after 72 and 96 h treatment, respectively. However, the non-lethal NaT concentrations of 750 mg/L and 375 mg/L at 96 h exposure significantly (p ≤ 0.05) decreased the total distance traveled and the activity duration, also caused surface respiration on the zebrafish. Orthogonal Projections to Latent Structures Discriminant Analysis (OPLS-DA) revealed that the metabolome of the fish treated with 750 mg/L was discriminated from that of the control by PC1. Major significantly downregulated metabolites by NaT-induction include valine, isoleucine, 2-hydroxyvalerate, glycine, glycerol, choline, glucose, pyruvate, anserine, threonine, carnitine and homoserine. On the contrary, taurine, creatine, lactate, acetate and 3-hydroxybutyrate were upregulated suggesting cellular consumption of lipids, glucose and amino acids for adenosine triphosphate (ATP) generation during immune and inflammatory response. whereby these metabolites were released in the process. In conclusion, the research revealed the toxic effect of NaT and its potential to trigger changes in zebrafish metabolism.
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Affiliation(s)
- Isah Abdulazeez
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, UPM Serdang Selangor, Malaysia
| | - Intan Safinar Ismail
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, UPM Serdang Selangor, Malaysia
- Natural Medicines and Product Research Laboratory (NaturMeds), Institute of Bioscience (IBS), Universiti Putra Malaysia, UPM Serdang Selangor, Malaysia
| | - Siti Munirah Mohd Faudzi
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, UPM Serdang Selangor, Malaysia
| | - Annie Christianus
- Department of Aquaculture, Faculty of Agricultural Sciences, Universiti Putra Malaysia, UPM Serdang Selangor, Malaysia
| | - Seok-Giok Chong
- Natural Medicines and Product Research Laboratory (NaturMeds), Institute of Bioscience (IBS), Universiti Putra Malaysia, UPM Serdang Selangor, Malaysia
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2
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Zhou S, Lin H, Kong L, Ma J, Long Z, Qin H, Huang Z, Lin Y, Liu L, Li Z. Effects of Mulberry Leaf Extract on the Liver Function of Juvenile Spotted Sea Bass ( Lateolabrax maculatus). AQUACULTURE NUTRITION 2023; 2023:2892463. [PMID: 37908498 PMCID: PMC10615578 DOI: 10.1155/2023/2892463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 09/10/2023] [Accepted: 10/04/2023] [Indexed: 11/02/2023]
Abstract
In order to explore the effect of mulberry leaf extract (ELM) on the liver function of spotted sea bass, 360 fish with healthy constitution (average body weight 9.00 ± 0.02 g) were selected and randomly divided into six groups with three repetitions, and six groups of fish were randomly placed into 18 test tanks (200 L) with 20 fish per tank for the 52-day feeding test. Every day, the fish were fed the experimental feed with different concentrations (0, 3, 6, 9, 12, 15 g/kg) to the level of apparent satiation, with a crude protein content of 48.0% and a crude fat content of 8.6%. And the water temperature was maintained at 25-28°C with a salinity of 0.5%-1‰. After feeding, five fish were randomly selected to collect their livers and serum for detection of indicators. The results showed that, compared with the control group, ELM significantly increased the activities of lipase (LPS) and trypsin (TRS) in the liver, and reached the highest level when the amount of ELM added was 6 g/kg (P < 0.05). ELM significantly increased the activities of lactate dehydrogenase (LDH) and glutamic-oxaloacetic transaminase (GOT) involved in the metabolic process in liver tissue, and GOT activity reached the highest when ELM was added at 9 g/kg, and LDH activity reached the highest when ELM was added at 15 g/kg (P < 0.05). ELM had no significant effect on liver antioxidant enzymes (P > 0.05), but the content of malondialdehyde was significantly reduced (P < 0.05). Compared with the control group, ELM significantly increased the activities of AKP and ACP in the liver, and the AKP activity reached the highest when the ELM addition amount was 3 g/kg, and the ACP activity reached the highest when the ELM addition amount was 9 g/kg (P < 0.05). Through comparative transcriptomic analysis, it was indicated that ELM enhanced the hepatic lipids and carbohydrates metabolism ability, as manifested in the upregulation of expression of phosphatidate phosphatase, glucuronosyltransferase, inositol oxygenase, carbonic anhydrase, and cytochrome c oxidase subunit 2. ELM can also increase the expression of signal transducer and activator of transcription 1, ATP-dependent RNA helicase and C-X-C motif chemokine 9 involved in the immune process. The above results show that the ELM can enhance the digestion, metabolism, and immunity of the liver by increasing the activity of digestive enzymes, metabolic enzymes, and the expression of metabolism and immune regulation genes. This study provides a theoretical basis for the application of ELM in the cultivation of spotted sea bass by exploring the effect of ELM on the liver function of spotted sea bass.
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Affiliation(s)
- Sishun Zhou
- Fisheries College, Jimei University, Xiamen, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Jimei University, Xiamen, China
| | - Hao Lin
- Fisheries College, Jimei University, Xiamen, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Jimei University, Xiamen, China
| | - Lumin Kong
- Fisheries College, Jimei University, Xiamen, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Jimei University, Xiamen, China
| | - Jianrong Ma
- Fisheries College, Jimei University, Xiamen, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Jimei University, Xiamen, China
| | - Zhongying Long
- Fisheries College, Jimei University, Xiamen, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Jimei University, Xiamen, China
| | - Huihui Qin
- Fisheries College, Jimei University, Xiamen, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Jimei University, Xiamen, China
| | - Zhangfan Huang
- Fisheries College, Jimei University, Xiamen, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Jimei University, Xiamen, China
| | - Yi Lin
- Fisheries College, Jimei University, Xiamen, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Jimei University, Xiamen, China
| | - Longhui Liu
- Fisheries College, Jimei University, Xiamen, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Jimei University, Xiamen, China
| | - Zhongbao Li
- Fisheries College, Jimei University, Xiamen, China
- Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Jimei University, Xiamen, China
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3
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Furuya WM, da Cruz TP, Gatlin DM. Amino Acid Requirements for Nile Tilapia: An Update. Animals (Basel) 2023; 13:ani13050900. [PMID: 36899757 PMCID: PMC10000143 DOI: 10.3390/ani13050900] [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: 01/26/2023] [Revised: 02/25/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
This review aims to consolidate the relevant published data exploring the amino acid (AA) requirements of Nile tilapia, Oreochromis niloticus, and to reach a new set of recommendations based on those data. There are still inconsistencies in lysine, sulfur-containing AA, threonine, tryptophan, branched-chain AA, and total aromatic AA recommendations in data that have appeared since 1988. This review finds that strain, size, basal diet composition, and assessment method may have contributed to the inconsistencies in AA recommendations. Currently, the expansion of precision AA nutrition diets for Nile tilapia is receiving more attention because of the demand for flexibility in widespread ingredient substitutions which will allow compliance with environmentally sustainable principles. Such approaches involve changes in diet ingredient composition with possible inclusions of non-bound essential and non-essential AAs. Increasing the inclusion of non-bound AAs into Nile tilapia diets may modify protein dynamics and influence AA requirements. Emerging evidence indicates that not only essential but also some non-essential amino acids regulate growth performance, fillet yield, and flesh quality, as well as reproductive performance, gut morphology, intestinal microbiota, and immune responses. Thus, this review considers current AA recommendations for Nile tilapia and proposes refinements that may better serve the needs of the tilapia industry.
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Affiliation(s)
- Wilson Massamitu Furuya
- Department of Animal Science, State University of Ponta Grossa, Ponta Grossa 84030-900, Brazil
- Correspondence: ; Tel.: +55-42-3220-3082
| | - Thais Pereira da Cruz
- Animal Science Graduate Degree Program, State University of Maringá, Maringá 87020-900, Brazil
| | - Delbert Monroe Gatlin
- Department of Ecology and Conservation Biology, Texas A&M University System, College Station, TX 77840, USA
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Tolosa AF, Tokach MD, Goodband RD, Woodworth JC, DeRouchey JM, Gebhardt JT. Evaluation of increasing digestible threonine to lysine ratio in corn-soybean meal diets without and with distillers dried grains with solubles on growth performance of growing-finishing pigs. Transl Anim Sci 2022; 6:txac058. [DOI: 10.1093/tas/txac058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 05/03/2022] [Indexed: 11/14/2022] Open
Abstract
Abstract
Corn distillers dried grains with solubles (DDGS) is commonly available and often can lower diet cost for swine diets. This corn co-product is recognized to be a source of dietary insoluble fiber which can increase villous length of the gut mucosa, but also increase intestinal production of mucin. Mucin structure, functions, and synthesis are correlated to Thr intake, consequently, the dietary Thr level may need to be increased when feeding an insoluble fiber source such as corn-DDGS. Thus, the objective of this study was to evaluate if feeding standardized ileal digestible (SID) Thr:Lys ratio at or above the estimated requirement in diets without and with DDGS would influence growth performance in finishing pigs. A total of 2,160 pigs (PIC 337 × 1050; initially 35.1 ± 0.5 kg) were used in a 112-d growth trial. Pigs were randomly assigned to pens (27 pigs per pen) in a randomized complete block design by BW with 20 replications per treatment. Pens of pigs were allotted to 1 of 4 dietary treatments that were arranged in a 2 × 2 factorial with main effects of dietary Thr level (normal vs. high) and DDGS (without or with). Treatment diets were formulated in 4 phases from 34 to 57, 57 to 79, 79 to 104, and 104 to 130 kg body weight. Diets with high DDGS were formulated to include 40% DDGS in phase 1 and 2, 30% in phase 3, and 15% in phase 4. The normal Thr diets were formulated to contain 61, 62, 63, and 65% SID Thr:Lys ratios for the four dietary phases, respectively. High Thr diets had SID Thr:Lys ratios of 67, 68, 69, and 72%, respectively. There were no interactions (P > 0.10) observed in any phase or overall between Thr level and added DDGS. For the overall period (d 0 to 112), pigs fed diets without DDGS had increased (P < 0.001) average daily gain (ADG), but reduced (P < 0.001) average daily feed intake (ADFI) leading to increased (P < 0.001) feed efficiency (G:F). There was no evidence for difference (P > 0.10) between pigs fed diets formulated at normal or high SID Thr:Lys ratio. In summary, feeding high levels of DDGS decreased ADG and increased ADFI, which resulted in decreased G:F and lower final body weight, regardless of the dietary SID Thr:Lys level. In the current study, increasing the level of digestible Thr in a diet that contained a highly insoluble fiber source did not increase growth performance of grow-finish pigs.
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Affiliation(s)
- Andres F Tolosa
- Department of Animal Sciences and Industry, College of Agriculture, Kansas State University, Manhattan, KS USA
| | - Mike D Tokach
- Department of Animal Sciences and Industry, College of Agriculture, Kansas State University, Manhattan, KS USA
| | - Robert D Goodband
- Department of Animal Sciences and Industry, College of Agriculture, Kansas State University, Manhattan, KS USA
| | - Jason C Woodworth
- Department of Animal Sciences and Industry, College of Agriculture, Kansas State University, Manhattan, KS USA
| | - Joel M DeRouchey
- Department of Animal Sciences and Industry, College of Agriculture, Kansas State University, Manhattan, KS USA
| | - Jordan T Gebhardt
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS USA
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Jiang WD, Zhang L, Feng L, Wu P, Liu Y, Kuang SY, Li SW, Tang L, Mi HF, Zhang L, Zhou XQ. New Insight on the Immune Modulation and Physical Barrier Protection Caused by Vitamin A in Fish Gills Infected With Flavobacterium columnare. Front Immunol 2022; 13:833455. [PMID: 35401542 PMCID: PMC8992971 DOI: 10.3389/fimmu.2022.833455] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 02/23/2022] [Indexed: 11/13/2022] Open
Abstract
In this study, we have investigated the influence of vitamin A on gill barrier function of grass carp (Ctenopharyngodon idella) infected with Flavobacterium columnare. The fish were fed different concentrations of vitamin A diets for 10 weeks and then infected with F. columnare by immersion. We observed that optimal vitamin A significantly prevented gill rot morbidity in fish infected with F. columnare. Further investigations revealed that vitamin A boosted the gill immunity by increasing the contents of complements (C3 and C4), activities of acid phosphatase (ACP) and lysozyme, mRNAs of β-defensin-1, liver-expressed antimicrobial peptide 2A and 2B (LEAP-2A and LEAP-2B), hepcidin, and anti-inflammatory cytokines like transforming growth factor β1 (TGF-β1), TGF-β2, interleukin-10 (IL-10), and IL-11. It also enhanced the levels of various related signaling molecules including inhibitor protein κBα (IκBα), target of rapamycin (TOR), and ribosome protein S6 kinase 1 (S6K1) but downregulated the expression of pro-inflammatory cytokines including IL-1β, IL-8, tumor necrosis factor α (TNF-α), and interferon γ2 (IFN-γ2) and related signaling molecules including nuclear factor κB p65 (NF-κB p65) (rather than NF-κB p52), IκB kinase β (IKKβ), IKKγ (rather than IKKα), eIF4E-binding protein 1 (4E-BP1), and 4E-BP2 mRNA levels in fish gills. In addition, dietary vitamin A markedly lowered the concentrations of reactive oxygen species (ROS), malondialdehyde (MDA), and protein carbonyl (PC), increased both the activities and mRNAs of copper/zinc superoxide dismutase (Cu/ZnSOD), MnSOD, glutathione transferases (GSTs), glutathione peroxidase (GPx), and glutathione reductase (GR) associated with upregulation of NF-E2-related factor 2 (Nrf2) mRNAs and downregulation of Kelch-like-ECH-associated protein (Keap1a) and Keap1b mRNAs. Moreover, vitamin A decreased the mRNAs of different apoptotic mediators [caspases 8, 9, 3 (rather than 7)] associated with downregulation of signaling molecule p38 mitogen-activated protein kinase (p38MAPK) mRNAs in fish gills. Besides, vitamin A promoted tight junction (TJ) complex mRNAs [including claudin-b, -c, -3, -7, -12, occludin, and zonula occludens-1 (ZO-1)] that have been linked to the downregulation of myosin light chain kinase (MLCK) signaling. Taken together, the current study demonstrated for the first time that vitamin A markedly enhanced gill health associated with immune modulation and physical barrier protection. Based on protecting fish against gill rot morbidity, ACP activity, and against lipid peroxidation, optimum vitamin A concentrations in on-growing grass carp (262-997 g) were found to be 1,991, 2,188, and 2,934 IU/kg diet, respectively.
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Affiliation(s)
- Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan, China
| | - Li Zhang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Sichuan Animtech Feed Co. Ltd., Chengdu, China
| | - Shu-Wei Li
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Sichuan Animtech Feed Co. Ltd., Chengdu, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Sichuan Animtech Feed Co. Ltd., Chengdu, China
| | - Hai-Feng Mi
- Tongwei Co., Ltd., Healthy Aquaculture Key Laboratory of Sichuan Province, Chengdu, China
| | - Lu Zhang
- Tongwei Co., Ltd., Healthy Aquaculture Key Laboratory of Sichuan Province, Chengdu, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Province, Sichuan, China
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6
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Zhuang J, Zhou T, Bai S, Zhao B, Wu X, Chen Y. Effects of Restricted Feeding on Growth Performance, Intestinal Immunity, and Skeletal Muscle Development in New Zealand Rabbits. Animals (Basel) 2022; 12:ani12020160. [PMID: 35049783 PMCID: PMC8772555 DOI: 10.3390/ani12020160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 01/03/2022] [Accepted: 01/04/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary The high prevalence of gastrointestinal diseases in young rabbits is the major cause of impediment in the development of the rabbit industry. Presently, few companies have adopted methods of restricting feeding to improve the survival rate independent of the effect on their growth and development. To explore the effects of different feeding-restriction levels on the growth performance, intestinal immunity, and skeletal muscle development of meat rabbits, 198 New Zealand meat rabbits of 35 days old were selected and randomly divided into three groups: (1) a control group, (2) a 15% feeding restriction group, and (3) a 30% feeding restriction group, with 66 in each group with an equal number of males and females. The growth performance measurement and health-risk assessment indicators, measurement of digestive enzyme activity, immune and antioxidant indexes, and regulation mechanism were evaluated and explored. Finally, we found that a 30% feeding limit affected the growth and development of skeletal muscle in growing rabbits by regulating the PI3K/Akt signaling pathway. Abstract This study aimed to explore the effects of different feeding restriction levels on the growth performance, intestinal immunity, and skeletal muscle development of meat rabbits. Additionally, we studied whether complete compensatory growth could be obtained post 2 weeks of restricted feeding, in order to seek a scientific mode of feeding restriction. Each of three groups was exposed to 3 weeks of feeding restriction and 2 weeks of compensatory growth. The 15% feeding restriction showed a negligible effect on the final body-weight of the rabbits (p > 0.05), but significantly reduced the feed-to-weight ratio (p < 0.05); reduced diarrhea and mortality; and increased digestive enzyme activity and antioxidant capacity. However, a 30% feeding-restriction level substantially reduced the growth rate of the rabbits (p < 0.05), impaired skeletal muscle development, and showed no compensatory growth after 2 weeks of nutritional recovery. Additionally, immunoglobulin and antioxidant enzyme synthesis were impaired due to reduced nutritional levels, and levels of pro-inflammatory factors were increased during the compensation period. The IGF1 mRNA expression decreased significantly (p < 0.05), whereas MSTN and FOXO1 expression increased noticeably (p < 0.05). Moreover, protein levels of p-Akt and p-p70 decreased significantly in the 15% feeding restriction group. Overall, the 15% feeding limit unaffected the weight and skeletal muscle development of rabbits, whereas the 30% feeding limit affected the growth and development of skeletal muscle in growing rabbits. The PI3K/Akt signaling pathway is plausibly a mediator of this process.
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Affiliation(s)
| | | | | | | | | | - Yang Chen
- Correspondence: ; Tel.: +86-18762321870
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7
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Ayub A, Rasool F, Khan N, Qaisrani SN, Parveen S, Anjum KM, Fatima M, Matiullah, Mahmood S, Zulfiqar T. Limiting amino acids supplementation in low crude protein diets and their impacts on growth performance and carcass composition in Labeo rohita (rohu) adult fish. BRAZ J BIOL 2021; 83:e249422. [PMID: 34495169 DOI: 10.1590/1519-6984.249422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 04/07/2021] [Indexed: 11/21/2022] Open
Abstract
Ninety days study was conducted in hapas installed in earthen ponds. Fish of an average initial weight (220g) were evenly distributed in triplicate groups within fifteen hapas. Five experimental diets labeled as T1 (25% CP and NRC recommended amino acid level) as control diet, T2 (with 2% low protein and 5% amino acid supplementation), T3 (with 2% low protein and 10% amino acid supplementation), T4 (with 4% low protein and 10% amino acid supplementation) and T5 (with 4% low protein and 20% amino acid supplementation) were prepared. Fish were fed with @3% of their body weight twice a day at 10.00 & 16:00 hour. Significantly higher percent weight gain (420.18 ± 66.84a) and specific growth rate (13499.33±1273.54a) along with improved feed conversion ratio (1.29 ± 0.09b) and hundred percent survivals were recorded during the trial. Furthermore proximate analysis of meat showed significant improvement in the crude protein level (81.77 ± 0.19a) served with diet containing 20% limiting amino acids mixture. Therefore, limiting amino acids can be a source of cost effective feed and use safely in L. rohita diet.
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Affiliation(s)
- A Ayub
- University of Veterinary & Animal Sciences, Faculty of Fisheries & Wildlife, Department of Fisheries & Aquaculture, Lahore, Pakistan
| | - F Rasool
- University of Veterinary & Animal Sciences, Faculty of Fisheries & Wildlife, Department of Fisheries & Aquaculture, Lahore, Pakistan
| | - N Khan
- University of Veterinary & Animal Sciences, Faculty of Fisheries & Wildlife, Department of Fisheries & Aquaculture, Lahore, Pakistan
| | - S N Qaisrani
- University of Veterinary & Animal Sciences, Faculty of Fisheries & Wildlife, Department of Fisheries & Aquaculture, Lahore, Pakistan.,University of Veterinary and Animal Sciences, Faculty of Animal Production Technology, Department of Animal Nutrition, Lahore, Pakistan
| | - S Parveen
- University of Agriculture, Faculty of Sciences, Department of Zoology, Wildlife & Fisheries, Faisalabad, Pakistan
| | - K M Anjum
- University of Veterinary & Animal Sciences, Faculty of Fisheries & Wildlife, Department of Fisheries & Aquaculture, Lahore, Pakistan
| | - M Fatima
- University of Veterinary & Animal Sciences, Faculty of Fisheries & Wildlife, Department of Fisheries & Aquaculture, Lahore, Pakistan
| | - Matiullah
- University of Veterinary & Animal Sciences, Faculty of Fisheries & Wildlife, Department of Fisheries & Aquaculture, Lahore, Pakistan
| | - S Mahmood
- University of Veterinary & Animal Sciences, Faculty of Fisheries & Wildlife, Department of Fisheries & Aquaculture, Lahore, Pakistan
| | - T Zulfiqar
- University of Veterinary & Animal Sciences, Faculty of Fisheries & Wildlife, Department of Fisheries & Aquaculture, Lahore, Pakistan
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8
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Physiological Functions of Threonine in Animals: Beyond Nutrition Metabolism. Nutrients 2021; 13:nu13082592. [PMID: 34444752 PMCID: PMC8399342 DOI: 10.3390/nu13082592] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 07/20/2021] [Accepted: 07/20/2021] [Indexed: 01/03/2023] Open
Abstract
Threonine (Thr), an essential amino acid for animals and the limiting amino acid in swine and poultry diets, which plays a vital role in the modulation of nutritional metabolism, macromolecular biosynthesis, and gut homeostasis. Current evidence supports that the supplementation of Thr leads to benefits in terms of energy metabolism. Threonine is not only an important component of gastrointestinal mucin, but also acts as a nutritional modulator that influences the intestinal immune system via complex signaling networks, particularly mitogen-activated protein kinase (MAPK) and the target of the rapamycin (TOR) signal pathway. Threonine is also recognized as an indispensable nutrient for cell growth and proliferation. Hence, optimization of Thr requirement may exert a favorable impact on the factors linked to health and diseases in animals. This review focuses on the latest reports of Thr in metabolic pathways and nutritional regulation, as well as the relationship between Thr and relevant physiological functions.
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9
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Yuan ZH, Feng L, Jiang WD, Wu P, Liu Y, Jiang J, Kuang SY, Tang L, Zhou XQ. Dietary Choline-Enhanced Skin Immune Response of Juvenile Grass Carp Might Be Related to the STAT3 and NF-kB Signaling Pathway ( Ctenopharyngodon idella). Front Nutr 2021; 8:652767. [PMID: 34095189 PMCID: PMC8174528 DOI: 10.3389/fnut.2021.652767] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 03/29/2021] [Indexed: 12/17/2022] Open
Abstract
To investigate the effects and potential mechanisms of dietary choline on immune function in the skin of juvenile grass carp (Ctenopharyngodon idella), fish were fed different diets containing different levels of choline (142. 2, 407.4, 821.6, 1215.8, 1589.3, and 1996.6 mg/kg) for 70 d and then sampled after a 6-d challenge test. The results exhibited that dietary choline (1) advanced the contents of phosphatidylcholine (PC), betaine, and choline in grass carp skin (P < 0.05) and upregulated the mRNA abundance of choline transporter high-affinity choline transporter 1 (CHT1), choline transporter-like protein 1 (CTL1), and choline transporter-like protein 5 (CTL5), indicating that dietary choline could increase the contents of choline which might be connected with choline transporters in the grass carp skin; (2) receded skin rot symptom after infection with A. hydrophila (Aeromonas hydrophila), increased the levels of IgM, C4, and C3 and the activities of acid phosphatase (ACP) and lysozyme (LZ), raised mucin2, β-defensin, hepcidin, and LEAP-2B mRNA abundance (rather than LEAP-2A), downregulated pro-inflammatory cytokine mRNA abundance (IFN-γ2, IL-15, TNF-α, IL-6, IL-12P40, and IL-1β) in skin of juvenile grass carp (P < 0.05), and upregulated anti-inflammatory cytokine mRNA abundance (IL-10, IL-4/13A, TGF-β1, IL-11, and IL-4/13B) in grass carp skin (P < 0.05), demonstrating that choline enhanced the skin immune function; and (3) downregulated the mRNA abundance of IKKγ, NF-κBp52, IKKβ, c-Rel, NF-κBp65, STAT3b2, STAT3b1, JAK1, and JAK2 as well as protein level of NF-κBp65, p-STAT3 Tyr705, and p-STAT3 Ser727 in nucleus and inhibited the mRNA and protein level of IkBα (P < 0.05), indicating that choline-enhanced immune function might be relevant to the JAK1, 2 /STAT3, and NF-κB signaling pathway in fish skin. In conclusion, choline enhanced the skin immune function which might be related to JAK1, 2/STAT3, and NF-κB signaling molecules in fish. Furthermore, based on immune indices of grass carp (9.28-108.97 g) skin (C3 and IgM contents as well as ACP activities), the choline requirements were estimated to be 1475.81, 1364.24, and 1574.37 mg/kg diet, respectively.
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Affiliation(s)
- Ze-Hong Yuan
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China.,Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, China
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10
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Dietary Histidine, Threonine, or Taurine Supplementation Affects Gilthead Seabream ( Sparus aurata) Immune Status. Animals (Basel) 2021; 11:ani11051193. [PMID: 33919381 PMCID: PMC8143364 DOI: 10.3390/ani11051193] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/31/2021] [Accepted: 04/09/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary The concept of supporting animal health through the best possible nutrition is well-accepted in modern aquaculture, and functional amino acids (AAs) appear to be good candidates to improve health and growth performance. For instance, histidine (His), taurine (Tau), and threonine (Thr) appear to play important roles in homeostatic maintenance, detoxification of reactive species, and immune function. The present study aimed to evaluate the effects of His, Tau, and Thr supplementation on the gilthead seabream (Sparus aurata) immune status. In general, the results suggest that dietary supplementation with His, Tau, or Thr above their nominal requirements for this species has relatively mild effects. Still, some effects of threonine and taurine supplementation on the fish immune system were observed, particularly after a short-term feeding period (four weeks), which reinforces the importance of feeding period when aiming to improve immune alertness. Hence, further studies with other supplementation levels and eventually duration of supplementation could help to clarify the potential immunomodulatory role of these AAs for gilthead seabream. Abstract AAs have become interesting feed ingredients to be used in functional fish feeds as not only are they protein building blocks, but they also participate in several other key metabolic processes. In the present study, a comprehensive analysis of transcriptomics, hematology, and humoral immune parameters (plasma and skin mucus) were measured twice over the course of the feeding trial (four weeks). Plasma antiprotease activity increased in fish fed Thr compared to those fed the CTRL and Tau treatments, regardless of sampling time. The bactericidal activity in skin mucus decreased in fish fed Tau and His treatments compared to those fed the CTRL diet after two weeks. The membrane IgT (mIgT) was upregulated in fish fed Tau after four weeks, while C-type lectin domain family domain 10 member (clec10a) was downregulated in fish fed Thr after two weeks of feeding. By comparing the molecular signatures of head-kidney by means of a PLS-DA, it is possible to visualize that the main difference is between the two sampling points, regardless of diet. Altogether, these results suggest that dietary supplementation with these AAs at the tested levels causes mild immune-modulation effects in gilthead seabream, which should be further studied under disease challenge conditions.
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11
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Li H, Ma Y, Liu Y, Wu M, Long J, Jing X, Zhou S, Yuan P, Jiang J. Integrated biomarker parameters response to the toxic effects of high stocking density, CuSO 4, and trichlorfon on fish and protective role mediated by Angelica sinensis extract. FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:1679-1698. [PMID: 32557080 DOI: 10.1007/s10695-020-00821-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 05/14/2020] [Indexed: 06/11/2023]
Abstract
The present study explored the protective role of dietary the extract of Angelica sinensis (EAs) on high density, CuSO4, or trichlorfon-treated Crucian carp (Carassius auratus auratus). Firstly, the study showed that the optimum density for growth and growth inhibition was 0.49 and 0.98 fish L-1 water, respectively. Dietary EAs relieved the high density-induced growth inhibition in Crucian carp. The appropriate concentration of EAs for recovery of growth was estimated to be 4.30 g kg-1 diet in high-density fish. Moreover, high density decreased both digestive and absorptive enzyme activities and increased lipid oxidation in digestive organs, suggesting the ability of high density to induce oxidative damage. However, dietary EAs inhibited the oxidative damage through elevating ROS scavenging ability and enzymatic antioxidant activity in digestive organs. Secondly, our data demonstrated that the appropriate concentration of CuSO4 to induce the decrease in feed intake (FI) was 0.8 mg Cu L-1 water. Dietary EAs returned to FI of Crucian carp treated with CuSO4. The appropriate concentration of EAs for recovery of FI was estimated to be 4.25 g kg-1 diet. Moreover, dietary EAs suppressed the CuSO4-induced decrease in digestion and absorption capacity and increase in protein metabolism in digestive organs of Crucian carp. Finally, the present results suggested that dietary EAs inhibited the trichlorfon-induced rollover (loss of equilibrium) in Crucian carp. The appropriate concentration of EAs for inhibition of rollover was estimated to be 4.18 g kg-1 diet. Moreover, trichlorfon stimulated not only the decrease in energy metabolism but also lipid and protein oxidation, suggesting that trichlorfon caused loss of function and oxidative damage in muscles of fish. However, dietary EAs improved muscular function and inhibited oxidative damage via quenching ROS and elevating non-enzymatic and enzymatic antioxidant activity in muscles of trichlorfon-induced fish. So, EAs could be used as an inhibitor of high density, CuSO4, and trichlorfon stress in fish.
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Affiliation(s)
- HuaTao Li
- Key Laboratory of Sichuan Province for Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China.
| | - YuTing Ma
- Key Laboratory of Sichuan Province for Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - Ying Liu
- Key Laboratory of Sichuan Province for Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - Min Wu
- Archives, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - Jiao Long
- Key Laboratory of Sichuan Province for Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - XiaoQin Jing
- Key Laboratory of Sichuan Province for Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - SiShun Zhou
- Key Laboratory of Sichuan Province for Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - Ping Yuan
- Key Laboratory of Sichuan Province for Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River, College of Life Sciences, Neijiang Normal University, Neijiang, 641100, Sichuan, China
| | - Jun Jiang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
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12
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Neto MT, Dadalt J, Tse M. Dietary combination of chelated zinc and threonine and effects on egg production, egg quality and nutrient balance of Brown laying hens from 20 to 49 weeks of age. Anim Feed Sci Technol 2020. [DOI: 10.1016/j.anifeedsci.2020.114555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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13
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Biological Activity of Porcine Gastric Mucin on Stress Resistance and Immunomodulation. Molecules 2020; 25:molecules25132981. [PMID: 32610600 PMCID: PMC7411864 DOI: 10.3390/molecules25132981] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 06/24/2020] [Accepted: 06/25/2020] [Indexed: 02/06/2023] Open
Abstract
Purified porcine gastric mucin (PGM) is an alternative biomaterial to native mucin which displays multifunctional properties for exploring a wide range of biomedical applications. The present study evaluated the in vitro (RAW 264.7 macrophage cells) and in vivo (zebrafish embryos and larvae) bioactivities of PGM. The median lethal concentration (LC50) of PGM was 197.9 µg/mL for embryos, while it was non-toxic to RAW 264.7 cells, even at 500 µg/mL. Following PGM exposure (100 µg/mL), a higher embryo hatching rate (59.9%) was observed at 48 h post fertilization, compared to the control (30.6%). Protective effects of PGM from pathogenic Aeromonas hydrophila were demonstrated by high larvae survival rates of 85.0% and 94.0% at 50 and 100 μg/mL of PGM exposure, respectively. Heat tolerance effect of PGM (50 and 100 µg/mL) on larvae (40 °C for 48 h) was confirmed by 75% and 100% of survival rates, respectively. Additionally, PGM reduced the A. hydrophila–induced reactive oxygen species (ROS) generation in larvae. The qRT-PCR results in PGM exposed larvae exhibited induction of immune-related genes (tlr5a and tlr5b, myd88, c-rel, il1β, tnf-α, il6, il10, cxcl18b, ccl34a.4, defbl1, hamp, ctsd, muc2.1, muc5.1, muc5.2, and muc5.3), stress response (hsp70, hsp90aa1.1, and hsp90ab1), and antioxidant genes (cat and sod1). Moreover, our results revealed that PGM involved in the regulation of transcriptional gene induction increases Hsp90 protein in the zebrafish larvae. Furthermore, upregulation of Il6, Il10, Tnfα, Ccl3, Defa-rs2, Defa21 and Camp and antioxidant genes (Sod2 and Cat) were observed in PGM-exposed RAW 264.7 cells. Overall findings confirmed the activation of immune responses, disease resistance against pathogenic bacteria, heat tolerance, and ROS-scavenging properties by PGM, which may provide insights into new applications for PGM as a multifunctional immunomodulator.
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14
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Zhao Y, Zhang TR, Li Q, Feng L, Liu Y, Jiang WD, Wu P, Zhao J, Zhou XQ, Jiang J. Effect of dietary L-glutamate levels on growth, digestive and absorptive capability, and intestinal physical barrier function in Jian carp ( Cyprinus carpio var. Jian). ACTA ACUST UNITED AC 2020; 6:198-209. [PMID: 32542201 PMCID: PMC7283372 DOI: 10.1016/j.aninu.2020.02.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 02/06/2020] [Accepted: 02/13/2020] [Indexed: 02/07/2023]
Abstract
The present study explored effects of L-glutamate (Glu) levels on growth, digestive and absorptive capability, and intestinal physical barrier functions of Jian carp (Cyprinus carpio). A total of 600 Jian carp (126.40 ± 0.21 g) were randomly distributed into 5 groups with 3 replicates each, fed diets containing graded levels of Glu (53.4 [control], 57.2, 60.6, 68.4, and 83.4 g/kg) for 63 d. Results showed compared with control diet, feed intake and percent weight gain (PWG) in fish fed 83.4 g of Glu/kg diet were increased and feed conversion ratio in fish fed 68.4 g of Glu/kg diet was decreased (P < 0.05). Similarly, body crude protein and lipid contents in fish fed 68.4 g of Glu/kg diet were higher (P < 0.05). The activities of trypsin and chymotrypsin in the hepatopancreas and intestine, and amylase, alkaline phosphatase (AKP), Na+, K+-ATPase (NKA), and creatine kinase (CK) in intestine were higher in fish fed 68.4 g of Glu/kg diet (P < 0.05). Dietary Glu (57.2 to 83.4 g/kg diet) decreased malondialdehyde (MDA) and protein carbonyl (PCO) contents in the intestine (P < 0.05). The activities of catalase (CAT), glutathione peroxidase (GPx), and glutathione S-transferase (GST) in the hepatopancreas and intestine were higher in fish fed 60.6 and 68.4 g of Glu/kg diets (P < 0.05). Intestinal the glutathione reductase (GR) activity and glutathione (GSH) content in fish fed 60.6, 68.4, and 83.4 g of Glu/kg diet were increased (P < 0.05). The GPx1a, GST, and nuclear factor erythroid 2-related factor 2 (Nrf2) mRNA expressions in the intestine were up-regulated in fish fed 60.6 and 68.4 g of Glu/kg diet (P < 0.05). The zonula occludens protein-1 (ZO-1), occludin1, and claudin3 mRNA expressions were also up-regulated in fish fed 83.4 g of Glu/kg diet (P < 0.05). Fish fed 68.4 g of Glu/kg diet had higher levels of claudin 2, claudin7, and protein kinase C (PKC) mRNA (P < 0.05). These results indicated that Glu improved fish growth, digestive and absorptive ability, and intestinal physical barrier functions. Based on the quadratic regression analysis of PWG, and MDA of the hepatopancreas and intestine, the optimal dietary Glu levels were estimated to be 81.97, 71.06, and 71.36 g/kg diet, respectively.
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Affiliation(s)
- Ye Zhao
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Tian-Ran Zhang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Qian Li
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Juan Zhao
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Jun Jiang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.,Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China.,Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
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15
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Jiang WD, Zhang L, Feng L, Wu P, Liu Y, Jiang J, Kuang SY, Tang L, Zhou XQ. Inconsistently impairment of immune function and structural integrity of head kidney and spleen by vitamin A deficiency in grass carp (Ctenopharyngodon idella). FISH & SHELLFISH IMMUNOLOGY 2020; 99:243-256. [PMID: 32058097 DOI: 10.1016/j.fsi.2020.02.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 02/06/2020] [Accepted: 02/10/2020] [Indexed: 06/10/2023]
Abstract
To investigate effects of vitamin A (VA) on fish immune function and structural integrity in the head kidney and spleen of fish, total of 540 on-growing grass carp (Ctenopharyngodon idella) were divided into six groups, feeding graded levels of VA (0, 600, 1200, 1800, 2800 and 3800 IU/kg diet) for 70 days. Results showed that dietary VA deficiency depressed antibacterial ability and aggravated inflammatory response partially linked to nuclear factor κB p65 (NF-κB p65) and target of rapamycin (TOR) signaling pathways in the head kidney and spleen of fish. Meanwhile, VA deficiency caused oxidative damage, apoptosis and disruption of tight junctions (TJs), which were partially attributed to the down-regulation of NF-E2-related factor 2 (Nrf2) signaling mediated antioxidant ability, the up-regulation of p38 mitogen-activated protein kinase (p38MAPK) signaling mediated apoptosis and myosin light chain kinase (MLCK) signaling mediated disruption of tight junctions (TJs). Taken together, current study firstly demonstrated that VA deficiency decreased the immune function and damaged the structural integrity of the head kidney and spleen in fish.
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Affiliation(s)
- Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Fish Nutrition and Safety in Production Sichuan University Key Laboratory, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Key Laboratory of Animal Disease-resistant Nutrition, Sichuan Province, China
| | - Li Zhang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Fish Nutrition and Safety in Production Sichuan University Key Laboratory, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Key Laboratory of Animal Disease-resistant Nutrition, Sichuan Province, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Fish Nutrition and Safety in Production Sichuan University Key Laboratory, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Key Laboratory of Animal Disease-resistant Nutrition, Ministry of Education, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Fish Nutrition and Safety in Production Sichuan University Key Laboratory, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Key Laboratory of Animal Disease-resistant Nutrition and Feed, Ministry of Agriculture and Rural Affairs, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu, 610066, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu, 610066, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Fish Nutrition and Safety in Production Sichuan University Key Laboratory, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Key Laboratory of Animal Disease-resistant Nutrition, Sichuan Province, China.
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16
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Effect of dietary threonine on growth performance and muscle growth, protein synthesis and antioxidant-related signalling pathways of hybrid catfish Pelteobagrus vachelli♀ × Leiocassis longirostris♂. Br J Nutr 2019; 123:121-134. [PMID: 31637992 DOI: 10.1017/s0007114519002599] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The experiment was conducted to investigate the effects of dietary threonine (Thr) on growth performance and muscle growth, protein synthesis and antioxidant-related signalling pathways of hybrid catfish Pelteobagrus vachelli♀ × Leiocassis longirostris♂. A total of 1200 fish (14·19 (se 0·13) g) were randomly distributed into six groups with four replicates each, fed six diets with graded level of Thr (9·5, 11·5, 13·5, 15·4, 17·4 and 19·3 g/kg diets) for 56 d. Results showed (P < 0·05) that dietary Thr (1) increased percentage weight gain, specific growth rate, feed efficiency and protein efficiency ratio; (2) up-regulated growth hormone (GH), insulin-like growth factor 1 (IGF-1), proliferating cell nuclear antigen, myogenic regulation factors (MyoD, Myf5, MyoG and Mrf4) and myosin heavy chain (MyHC) mRNA levels; (3) increased muscle protein content via regulating the protein kinase B/target of rapamycin signalling pathway and (4) decreased malondialdehyde and protein carbonyl contents, increased catalase, glutathione-S-transferase, glutathione reductase and GSH activities, up-regulated mRNA levels of antioxidant enzymes related to NFE2-related factor 2 and γ-glutamylcysteine ligase catalytic subunit. These results suggest that Thr has a potential role to improve muscle growth and protein synthesis, which might be due to the regulation of GH-IGF system, muscle growth-related gene, antioxidative capacity and protein synthesis-related signalling pathways. Based on the quadratic regression analysis of specific growth rate, the Thr requirement of hybrid catfish (14·19-25·77 g) was estimated to be 13·77 g/kg of the diet (33·40 g/kg of dietary protein).
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17
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Zhao Y, Wu XY, Xu SX, Xie JY, Xiang KW, Feng L, Liu Y, Jiang WD, Wu P, Zhao J, Zhou XQ, Jiang J. Dietary tryptophan affects growth performance, digestive and absorptive enzyme activities, intestinal antioxidant capacity, and appetite and GH-IGF axis-related gene expression of hybrid catfish (Pelteobagrus vachelli♀ × Leiocassis longirostris♂). FISH PHYSIOLOGY AND BIOCHEMISTRY 2019; 45:1627-1647. [PMID: 31161532 DOI: 10.1007/s10695-019-00651-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Accepted: 04/26/2019] [Indexed: 06/09/2023]
Abstract
The 56-day feeding trial was carried out to investigate the effects of dietary tryptophan (Trp) on growth performance, digestive and absorptive enzyme activities, intestinal antioxidant capacity, and appetite and GH-IGF axis-related genes expression of hybrid catfish (Pelteobagrus vachelli♀ × Leiocassis longirostris♂). A total of 864 hybrid catfish (21.82 ± 0.14 g) were fed six different experimental diets containing graded levels of Trp at 2.6, 3.1, 3.7, 4.2, 4.7, and 5.6 g kg-1 diet. The results indicated that dietary Trp increased (P < 0.05) (1) final body weight, percent weight gain, specific growth rate, feed intake, feed efficiency, and protein efficiency ratio; (2) fish body protein, lipid and ash contents, protein, and ash production values; (3) stomach weight, stomach somatic index, liver weight, intestinal weight, length and somatic index, and relative gut length; and (4) activities of pepsin in the stomach; trypsin, chymotrypsin, lipase, and amylase in the pancreas and intestine; and γ-glutamyl transpeptidase, Na+, K+-ATPase, and alkaline phosphatase in the intestine. Dietary Trp decreased malondialdehyde content, increased antioxidant enzyme activities and glutathione content, but downregulated Keap1 mRNA expression, and upregulated the expression of NPY, ghrelin, GH, GHR, IGF1, IGF2, IGF1R, PIK3Ca, AKT1, TOR, 4EBP1, and S6K1 genes. These results indicated that Trp improved hybrid catfish growth performance, digestive and absorptive ability, antioxidant status, and appetite and GH-IGF axis-related gene expression. Based on the quadratic regression analysis of PWG, SGR, and FI, the dietary Trp requirement of hybrid catfish (21.82-39.64 g) was recommended between 3.96 and 4.08 g kg-1 diet (9.4-9.7 g kg-1 of dietary protein).
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Affiliation(s)
- Ye Zhao
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xiao-Yun Wu
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Shang-Xiao Xu
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Jia-Yuan Xie
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Kai-Wen Xiang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Juan Zhao
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China.
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China.
| | - Jun Jiang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China.
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Ya'an, 625014, China.
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18
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Jiang WD, Zhou XQ, Zhang L, Liu Y, Wu P, Jiang J, Kuang SY, Tang L, Tang WN, Zhang YA, Shi HQ, Feng L. Vitamin A deficiency impairs intestinal physical barrier function of fish. FISH & SHELLFISH IMMUNOLOGY 2019; 87:546-558. [PMID: 30716522 DOI: 10.1016/j.fsi.2019.01.056] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Revised: 01/28/2019] [Accepted: 01/31/2019] [Indexed: 06/09/2023]
Abstract
The present study was the first to investigate the effects of dietary vitamin A (VA) on the intestinal physical barrier function associated with oxidation, antioxidant system, apoptosis and cell-cellular tight junction (TJ) in the proximal (PI), mid (MI) and distal (DI) intestines of young grass carp (Ctenopharyngodon idella). Fish were fed graded levels of dietary VA for 10 weeks, and then a challenge test using an injection of Aeromonas hydrophila was conducted for 14 days. Results indicated that dietary VA deficiency caused oxidative damage to fish intestine partly by the reduced non-enzymatic antioxidant components glutathione (GSH) and VA contents as well as reduced antioxidant enzyme activities [not including manganese superoxide dismutase (MnSOD)]. Further results observed that the decreased antioxidant enzyme activities by VA deficiency were partly related to the down-regulation of their corresponding mRNA levels which were regulated by the down-regulation of NF-E2-related factor 2 (Nrf2) mRNA levels and up-regulation of kelch-like-ECH-associated protein (Keap1a) (rather than Keap1b) mRNA levels in three intestinal segments of fish. Meanwhile, VA deficiency up-regulated the mRNA levels of the apoptosis signalling [caspase-3, caspase-8, caspase-9 (rather than caspase-7)] associated with the inhibition of the target of rapamycin (TOR) signalling pathway in three intestinal segments of fish. Additionally, VA deficiency decreased the mRNA levels of TJ complexes [claudin-b, claudin-c, claudin-3, claudin-12, claudin-15a, occludin and zonula occludens-1 (ZO-1) in the PI, MI and DI, as well as claudin-7 and claudin-11a in the MI and DI] linked to the up-regulation of myosin light chain kinase (MLCK) signalling. These results suggested that VA deficiency impaired structural integrity in three intestinal segments of fish. Meanwhile, excessive VA also showed similar negative effects on these indexes. Taken together, the current study firstly demonstrated that VA deficiency impaired physical barrier functions associated with impaired antioxidant capacity, aggravated cell apoptosis and disrupted TJ complexes in the PI, MI and DI, but different segments performed different actions in fish. Based on protecting fish against protein oxidation, the optimal VA levels for grass carp were estimated to be 2622 IU/kg diet.
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Affiliation(s)
- Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China
| | - Li Zhang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu, 610066, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu, 610066, China
| | - Wu-Neng Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu, 610066, China
| | - Yong-An Zhang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - He-Qun Shi
- Guangzhou Cohoo Bio-tech Research & Development Centre, Guangzhou, 510663, Guangdong, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China.
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19
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Li H, Yang D, Li Z, He M, Li F, Jiang J, Tang S, Peng P, Du W, Ma Y, Liu Y. Effects of Angelica sinensis extracts on lipid oxidation in fish feeds and growth performance of juvenile Jian carp ( Cyprinus carpio var. Jian). ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2019; 5:109-114. [PMID: 30899818 PMCID: PMC6406982 DOI: 10.1016/j.aninu.2018.06.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Revised: 05/31/2018] [Accepted: 06/12/2018] [Indexed: 11/29/2022]
Abstract
The study was to explore the effect of the extracts of Angelica sinensis (EAs) on lipid oxidation in fish feeds compared with ethoxyquin (EQ) and the effect of dietary EAs on growth performance of carp (Cyprinus carpio var. Jian). Firstly, fish feeds were respectively added with EQ, and ethyl ether extract, ethyl acetate extract (EAE), acetone extract, ethanol extract (EE) and aqueous extract (AQE) of Angelica sinensis, except for the control. The results showed that EAs and EQ inhibited lipid oxidation in fish feeds (P < 0.05). Of all of the examined EAs, EAE showed the strongest protective effects against lipid oxidation (P < 0.05). Moreover, EAE at high concentrations showed a stronger effect on lipid oxidation compared with EQ (P < 0.05). Then, 7 experimental diets respectively supplemented with 0.0, 1.0, 2.0, 3.0, 4.0, 5.0 and 6.0 g/kg of EAE were fed to the respective treatment groups for 30 d. Four replicates were performed for each treatment group; 20 carp (mean weight: 12.10 ± 0.13 g) were in each replicate. The results indicated that dietary EAE improved the growth performance in carp (P < 0.05). The appropriate concentration of EAE for carp growth was estimated to be 3.643 g/kg diet. Thus, EAE could be used as a natural antioxidant in feeds for Jian carp.
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Affiliation(s)
- Huatao Li
- Key Laboratory of Sichuan Province for Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River, Neijiang Normal University, Sichuan, Neijiang, 641000, China
- College of Life Sciences, Neijiang Normal University, Sichuan, Neijiang, 641000, China
| | - Dandan Yang
- College of Life Sciences, Neijiang Normal University, Sichuan, Neijiang, 641000, China
| | - Zhihao Li
- College of Life Sciences, Neijiang Normal University, Sichuan, Neijiang, 641000, China
| | - Mingquan He
- College of Life Sciences, Neijiang Normal University, Sichuan, Neijiang, 641000, China
| | - Fengyi Li
- College of Life Sciences, Neijiang Normal University, Sichuan, Neijiang, 641000, China
| | - Jun Jiang
- College of Animal Science and Technology, Sichuan Agricultural University, Sichuan, Chengdu 611130, China
| | - Siyi Tang
- College of Life Sciences, Neijiang Normal University, Sichuan, Neijiang, 641000, China
| | - Peiyuan Peng
- College of Life Sciences, Neijiang Normal University, Sichuan, Neijiang, 641000, China
| | - Wenhao Du
- College of Life Sciences, Neijiang Normal University, Sichuan, Neijiang, 641000, China
| | - Yuting Ma
- College of Life Sciences, Neijiang Normal University, Sichuan, Neijiang, 641000, China
| | - Ying Liu
- College of Life Sciences, Neijiang Normal University, Sichuan, Neijiang, 641000, China
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20
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Li H, Tang S, Du W, Jiang J, Peng P, Yuan P, Liao Y, Long J, Zhou S. The effects of ethoxyquin and Angelica sinensis extracts on lipid oxidation in fish feeds and growth, digestive and absorptive capacities and antioxidant status in juvenile red carp (Cyprinus carpio var. xingguonensis): a comparative study. FISH PHYSIOLOGY AND BIOCHEMISTRY 2019; 45:43-61. [PMID: 29980882 DOI: 10.1007/s10695-018-0533-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 06/25/2018] [Indexed: 06/08/2023]
Abstract
Firstly, a linoleic and linolenic acid emulsion and fish feeds were incubated with graded levels of ethoxyquin (EQ) and petroleum ether extract, ethyl acetate extract (EAE), ethanol extract and aqueous extract of Angelica sinensis. The results showed that EQ and extracts of Angelica sinensis (EAs) inhibited lipid oxidation in material above. Of all of the examined EAs, EAE showed the strongest protective effects against the lipid oxidation. Moreover, EAE at high concentrations showed a stronger inhibitory effect on lipid oxidation than that of EQ. Next, 7 experimental diets that respectively supplemented 0.0, 0.2, 0.8 and 3.2 g kg-1 of EQ and EAE were fed to 280 juvenile red carp (Cyprinus carpio var. xingguonensis) with seven treatment groups for 30 days. The results indicated that dietary EAE improved growth performance in carp. Moreover, dietary EAE increased the activities of trypsin, lipase, alpha-amylase, alkaline phosphatase, glutamate-oxaloacetate transaminase and glutamate-pyruvate transaminase (GPT) and decreased plasma ammonia content in carp. Meanwhile, dietary EAE reduced the levels of malondialdehyde and raised the activities of anti-superoxide anion, anti-hydroxyl radical, superoxide dismutase, catalase, glutathione peroxidase and glutathione reductase and the content of reduced glutathione in the hepatopancreas and intestine of carp. However, with the exception of GPT, dietary EQ got the opposite results to dietary EAE in carp. These results revealed that dietary EAE improved the digestive, absorptive and antioxidant capacities in fish. However, dietary EQ inhibited the digestive, absorptive and antioxidant capacities in fish. So, EAE could be used as a natural antioxidant for replacing EQ in fish feeds.
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Affiliation(s)
- HuaTao Li
- Key Laboratory of Sichuan Province for Conservation and Utilization of Fishes Resources in the Upper Reaches of the Yangtze River, Neijiang Normal University, Neijiang, 641000, Sichuan, China.
- College of Life Science, Neijiang Normal University, Neijiang, 641000, Sichuan, China.
| | - SiYi Tang
- College of Life Science, Neijiang Normal University, Neijiang, 641000, Sichuan, China
| | - WenHao Du
- College of Life Science, Neijiang Normal University, Neijiang, 641000, Sichuan, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - PeiYuan Peng
- College of Life Science, Neijiang Normal University, Neijiang, 641000, Sichuan, China
| | - Ping Yuan
- College of Life Science, Neijiang Normal University, Neijiang, 641000, Sichuan, China
| | - YiHong Liao
- College of Life Science, Neijiang Normal University, Neijiang, 641000, Sichuan, China
| | - Jiao Long
- College of Life Science, Neijiang Normal University, Neijiang, 641000, Sichuan, China
| | - SiShun Zhou
- College of Life Science, Neijiang Normal University, Neijiang, 641000, Sichuan, China
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21
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Tran NT, Zhang J, Xiong F, Wang GT, Li WX, Wu SG. Altered gut microbiota associated with intestinal disease in grass carp (Ctenopharyngodon idellus). World J Microbiol Biotechnol 2018; 34:71. [PMID: 29777414 DOI: 10.1007/s11274-018-2447-2] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 04/14/2018] [Indexed: 12/20/2022]
Abstract
Gut microbiota plays a crucial importance in their host. Disturbance of the microbial structure and function is known to be associated with inflammatory intestinal disorders. Enteritis is a significant cause of high mortality in fish species, including grass carp (Ctenopharyngodon idellus). Study regarding the association between microbial alternations and enteritis in grass carp is still absent. In this study, changes in the gut microbiota of grass carp suffering from enteritis were investigated using NGS-based 16S rRNA sequencing. Six healthy and ten abnormal fish (showing reddening anus, red odiferous fluid accumulating in the abdominal capacity, and flatulence and haemorrhage in the intestine) were collected from a fish farm in Huanggang Fisheries Institute (Hubei, China). Our results revealed that the diversity, structure, and function of gut microbiota were significantly different between diseased and healthy fish (P < 0.05). Particularly, members of the genera Dechloromonas, Methylocaldum, Planctomyces, Rhodobacter, Caulobacter, Flavobacterium, and Pseudomonas were significantly increased in diseased fish compared with that in healthy fish (P < 0.05). Predicted function indicated that microbiota significantly changed the specific metabolic pathways (related to amino acid metabolism, xenobiotics biodegradation and metabolism, and carbohydrate metabolism) in diseased fish (P < 0.05). Taken together, our findings point out the association between changes of the gut microbiota and enteritis in grass carp, which provide basic information useful for diagnoses, prevention, and treatment of intestinal diseases occurring in cultured fish.
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Affiliation(s)
- Ngoc Tuan Tran
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, and State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China.,Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, 515063, Shantou, China.,Marine Biology Institute, Shantou University, 515063, Shantou, China
| | - Jing Zhang
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, and State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Fan Xiong
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, and State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Gui-Tang Wang
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, and State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Wen-Xiang Li
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, and State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Shan-Gong Wu
- Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, and State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China. .,University of Chinese Academy of Sciences, Beijing, China.
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22
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Wu P, Tian L, Zhou XQ, Jiang WD, Liu Y, Jiang J, Xie F, Kuang SY, Tang L, Tang WN, Yang J, Zhang YA, Shi HQ, Feng L. Sodium butyrate enhanced physical barrier function referring to Nrf2, JNK and MLCK signaling pathways in the intestine of young grass carp (Ctenopharyngodon idella). FISH & SHELLFISH IMMUNOLOGY 2018; 73:121-132. [PMID: 29222028 DOI: 10.1016/j.fsi.2017.12.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 12/01/2017] [Accepted: 12/02/2017] [Indexed: 06/07/2023]
Abstract
This study evaluated the effect of dietary sodium butyrate (SB) supplementation on the intestinal physical barrier function of young grass carp (Ctenopharyngodon idella). The fish were fed one powdery sodium butyrate (PSB) diet (1000.0 mg kg-1 diet) and five graded levels of microencapsulated sodium butyrate (MSB) diets: 0.0 (control), 500.0, 1000.0, 1500.0 and 2000.0 mg kg-1 diet for 60 days. Subsequently, a challenge test was conducted by injection of Aeromonas hydrophila to explore the effect of SB supplementation on intestinal physical barrier function and the potential mechanisms in fish. The results showed that optimal SB supplementation: (1) down-regulated the cysteine-aspartic protease-2 (caspase-2), caspase-3 (rather than PI), caspase-7, caspase-8 (rather than PI), caspase-9, fatty acid synthetase ligand (FasL), apoptotic protease activating factor-1 (Apaf-1), B-cell lymphoma 2 associated X protein (Bax) and c-Jun Nterminal protein kinase (JNK) mRNA levels, up-regulated the B-cell lymphoma protein-2 (Bcl-2) (rather than PI), inhibitor of apoptosis proteins (IAP) and myeloid cell leukemia-1 (Mcl-1) mRNA levels in the intestine (P < 0.05), inhibited the intestinal cell apoptosis, maintained the intestine cell structure integrity; (2) increased NF-E2-related factor 2 (Nrf2) mRNA levels and nucleus protein levels, and down-regulated kelch-like-ECH-associated protein (Keap1b) (rather than Keap1a) mRNA levels in the intestine, up-regulated copper/zinc superoxide dismutase (CuZnSOD), manganese superoxide dismutase (MnSOD), catalase (CAT), glutathione peroxidase 1a (GPx1a), GPx1b, GPx4a, GPx4b, glutathione S-transferases R (GSTR), GSTP1, GSTP2, GSTO1, GSTO2 and glutathione reductase (GR) mRNA levels in the intestine, increased the corresponding antioxidant enzymes activity (P < 0.05), thus enhancing the ability of scavenging free radicals and decreasing the reactive oxygen species (ROS) content, decreasing the lipid and protein peroxidation, as well as alleviating oxidative damage; (3) down-regulated the molecule myosin light-chain kinase (MLCK) mRNA levels in the intestine, and up-regulated the occludin, zonula occludens-1 (ZO-1), ZO-2, claudin-b, claudin-c, claudin-f, claudin-3c (rather than PI), claudin-7a, claudin-7b and claudin-11 mRNA levels, down-regulated claudin-12, claudin-15a and claudin-15b mRNA levels (P < 0.05), thus maintaining the structural integrity between cells. This study suggests that SB supplementation could improve fish intestinal physical barrier function. Furthermore, according to the positive effect, MSB was superior to PSB on improving intestinal physical barrier function of fish. Finally, based on protein carbonyl content in the PI, the optimal SB supplementation (MSB as SB source) for young grass carp was estimated to be 338.8 mg kg-1 diet.
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Affiliation(s)
- Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Li Tian
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Fei Xie
- Shanghai Menon Animal Nutrition Technology Co., Ltd, Shanghai 201807, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Wu-Neng Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Juan Yang
- Enterprise Technology Center, Tongwei Co., Ltd, Chengdu, 610041, China
| | - Yong-An Zhang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - He-Qun Shi
- Chengdu Mytech Biotech Co., Ltd., Chengdu 610222, Sichuan, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China.
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23
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Dong YW, Feng L, Jiang WD, Liu Y, Wu P, Jiang J, Kuang SY, Tang L, Tang WN, Zhang YA, Zhou XQ. Dietary threonine deficiency depressed the disease resistance, immune and physical barriers in the gills of juvenile grass carp (Ctenopharyngodon idella) under infection of Flavobacterium columnare. FISH & SHELLFISH IMMUNOLOGY 2018; 72:161-173. [PMID: 29100986 DOI: 10.1016/j.fsi.2017.10.048] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 10/23/2017] [Accepted: 10/26/2017] [Indexed: 06/07/2023]
Abstract
This study was conducted to investigate the effects of dietary threonine on the disease resistance, gill immune and physical barriers function of juvenile grass carp (Ctenopharyngodon idella). A total of 1080 juveniles were fed six iso-nitrogenous diets containing graded levels of threonine (3.99-21.66 g kg-1 diet) for 8 weeks, and then challenged with Flavobacterium columnare. Results showed that threonine deficiency (3.99 g kg-1 diet): (1) increased the gill rot morbidity after exposure to F. columnare; (2) attenuated the gill immune barrier function by decreasing antimicrobial substances production, up-regulating the mRNA levels of pro-inflammatory cytokines (except IL-12p40), and down-regulating the anti-inflammatory cytokines partly due to the modulation of NF-κB and TOR signaling. (3) disrupt the gill tight junction complexes by down-regulating TJs (claudin-3, -b, -c, 12, occludin, ZO-1 and ZO-2) and up-regulating TJs (claudin-7a, -7b) as well as related signaling molecule myosin light chain kinase mRNA levels (P < 0.05). (4) exacerbated the gill apoptosis by up-regulating cysteinyl aspartic acid-protease-3, 8, 9, c-Jun N-terminal kinases and mediating apoptosis related factors mRNA levels (P < 0.05); (5) exacerbated oxidative injury with increased reactive oxygen species, malondialdehyde and protein carbonyl contents (P < 0.05), decreased the antioxidant related enzymes activities and corresponding mRNA levels (except glutathione peroxidase-1b and glutathione-S-transferase-omega 2) as well as glutathione contents (P < 0.05) partly ascribe to the abridgement of NF-E2-related factor 2 signaling [Nrf2/Keap1a (not Keap1b)] in fish gill. Overall, threonine deficiency depressed the disease resistance, and impaired immune and physical barriers in fish gill. Finally, based on the gill rot morbidity and biochemical indices (immune indices LA activity and antioxidant indices MDA content), threonine requirements for juvenile grass carp (9.53-53.43 g) were estimated to be 15.32 g kg-1 diet (4.73 g 100 g-1 protein), 15.52 g kg-1 diet (4.79 g 100 g-1 protein), 15.46 g kg-1 diet (4.77 g 100 g-1 protein), respectively.
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Affiliation(s)
- Yu-Wen Dong
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Wu-Neng Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Yong-An Zhang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China.
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24
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Feng L, Gan L, Jiang WD, Wu P, Liu Y, Jiang J, Tang L, Kuang SY, Tang WN, Zhang YA, Zhou XQ. Gill structural integrity changes in fish deficient or excessive in dietary isoleucine: Towards the modulation of tight junction protein, inflammation, apoptosis and antioxidant defense via NF-κB, TOR and Nrf2 signaling pathways. FISH & SHELLFISH IMMUNOLOGY 2017; 63:127-138. [PMID: 28193461 DOI: 10.1016/j.fsi.2017.02.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 12/31/2016] [Accepted: 02/09/2017] [Indexed: 06/06/2023]
Abstract
This study firstly aimed to test the impact of dietary isoleucine (Ile) on tight junction protein, inflammation, apoptosis, antioxidant defense and related signaling molecule gene expression in the gill of fish. Young grass carp (Ctenopharyngodon idella) (weighing 256.8 ± 3.5 g) were fed six diets containing graded levels of Ile, namely, 3.8, 6.6, 9.3, 12.5, 15.2 and 18.5 g/kg diet for 8 weeks. The results firstly revealed that Ile deficiency down-regulated the mRNA expressions of claudin-3, claudin-b, claudin-c, occludin and zonula occludens-1 (ZO-1) and up-regulated the mRNA expression of claudin-12, which led to the intercellular structure damage of fish gill. These effects were partially ascribed to the up-regulation of pro-inflammatory cytokines [interleukin 1β (IL-1β), interleukin 8 (IL-8) and tumor necrosis factor-α (TNF-α)] mRNA expressions that referring to up-regulated nuclear factor κB P65 (NF-κB P65) mRNA expression and down-regulated inhibitor factor κBα (IκBα) mRNA expression, and the down-regulation of anti-inflammatory cytokines [interleukin 10 (IL-10) and transforming growth factor β1 (TGF-β1)] mRNA expressions that referring to the down-regulated TOR and S6K1 mRNA expression. Interestingly, no change in claudin 15 mRNA level was observed among every treatment. At the same time, the results firstly indicated that Ile deficiency also resulted in the cellular structure damage of fish gill: (1) DNA fragmentation partially due to the up-regulation of caspase-3, caspase-8 and caspase-9 mRNA expression; (2) increase in protein carbonyl (PC), malondialdehyde (MDA) and ROS contents, which may be partially attributed to the impaired antioxidant defense [indicated by decreased glutathione (GSH) level and depressed anti-superoxide anion (ASA), anti-hydroxyl radical (a-HR), copper/zinc superoxide dismutase (Cu/Zn-SOD), catalase (CAT) and glutathione peroxidase (GPx) activities] that referring to the down-regulation of corresponding antioxidant enzyme mRNA expressions and the related signaling molecules Nrf2 mRNA expression. Ile excess caused similar negative effects that observed in Ile-deficient group, whereas these negative effects were reversed with appropriate Ile supplementation. In conclusion, our results indicated that Ile deficiency or excess disrupted the structural integrity of fish gill, partially due to the trigger of apoptosis, the impairment of antioxidant defense, and the regulation of tight junction protein, inflammatory cytokines, apoptosis-related, antioxidant enzymes and related signaling molecules mRNA expressions in the fish gill.
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Affiliation(s)
- Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China
| | - Lu Gan
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu, 610066, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu, 610066, China
| | - Wu-Neng Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu, 610066, China
| | - Yong-An Zhang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu, 611130, China.
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Wu YS, Huang SL, Chung HC, Nan FH. Bioaccumulation of lead and non-specific immune responses in white shrimp (Litopenaeus vannamei) to Pb exposure. FISH & SHELLFISH IMMUNOLOGY 2017; 62:116-123. [PMID: 28089748 DOI: 10.1016/j.fsi.2017.01.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 01/03/2017] [Accepted: 01/06/2017] [Indexed: 06/06/2023]
Abstract
In this study, we investigated organ accumulation and nonspecific immune response in white shrimp (Litopenaeus vannamei) that were exposed to various concentrations of lead (Pb) solution. The concentrations of Pb in the hepatopancreas, haemolymph, and muscle were measured moreover the total heamocyte count, phenoloxidase activity, O2- and physiological factors such as glutamic oxaloacetate transaminase (GOT), glutamic pyruvic transaminase (GPT), and haemolymph glucose were detected. The results showed that the hepatopancreas was the main organ of accumulation of Pb in white shrimp and the cumulative concentration of each organ was positively correlated with the experimental Pb concentration and immersion time. By observing GOT and GPT, Pb was found to inhibit phenoloxidase and O2- activity and to induce organ injury. Thus, the heavy metal Pb accumulates in the hepatopancreas and haemolymph and affects the crustacean metabolic organ injury (rising of GOT and GPT) further to inhibit nonspecific immune responses.
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Affiliation(s)
- Yu-Sheng Wu
- Department of Aquaculture, National Taiwan Ocean University, Keelung 20248, Taiwan
| | - Shih-Ling Huang
- Freshwater Aquaculture Research Center, Fisheries Research Institute, Council of Agriculture, Changhua, 50562, Taiwan
| | - Hsin-Chieh Chung
- Department of Aquaculture, National Taiwan Ocean University, Keelung 20248, Taiwan
| | - Fan-Hua Nan
- Department of Aquaculture, National Taiwan Ocean University, Keelung 20248, Taiwan.
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26
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Li D, Chen Q, Cao J, Chen H, Li L, Cedergreen N, Xie H, Xie L. The chronic effects of lignin-derived bisphenol and bisphenol A in Japanese medaka Oryzias latipes. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 170:199-207. [PMID: 26674368 DOI: 10.1016/j.aquatox.2015.11.024] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 11/22/2015] [Accepted: 11/23/2015] [Indexed: 06/05/2023]
Abstract
One of the ultimate goals of green chemistry is to produce greener and more environmentally friendly chemicals to replace the existing toxic chemicals. In this study, Japanese medaka were exposed to 1.5mg/L of bisphenol A or lignin-derived bisphenol for 60 days, and the expressions of various biochemical markers, effects on reproduction, and histopathology were evaluated. The results showed that concentrations of liver vitellogenin of LD-BP exposed males were approximately 125% higher compared to the control males. Total number of eggs from the BPA and LD-BP exposed fish was approximately 47% (p<0.001) and 25% (p<0.05) less than the control fish, respectively. Total number of brood was lower from the BPA (46%, p<0.05) and LD-BP (17%, p<0.05) exposed fish than that of the control fish. Relative to the control fish, catalase and glutathione-S-transferase were significantly affected by the two chemicals in all tested tissues. BPA and LD-BP caused lipid peroxidation in all the tested tissues. Furthermore, acetylcholinesterase and α-glucosidase activity were significantly inhibited. Histopathological analysis showed that both the testis and ovary were mildly damaged by both chemicals. LD-BP affected medaka slightly more severe than BPA except on the reproduction, which was most likely due to different uptake, translocation, binding to targets and metabolism. Our results demonstrated that chronic exposure to both chemicals caused several adverse effects to medaka. Further research on the toxicity of LD-BP to other aquatic organisms is needed before substitution of traditional BPA with LD-BP can be recommended.
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Affiliation(s)
- Dan Li
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, 110016, China
| | - Qin Chen
- Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, China
| | - Jinling Cao
- State Key Laboratory of Ecological Animal Husbandry and Environmental Veterinary Medicine, Shanxi Agricultural University, 030801, China
| | - Hongxing Chen
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, 110016, China
| | - Lixia Li
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, 110016, China
| | - Nina Cedergreen
- Department of Plant and Environmental Science, Section of Environmental Chemistry and Physics, University of Copenhagen, 1871, Denmark
| | - Haibo Xie
- Department of Polymeric Materials and Engineering, College of Materials and Metallurgy Guizhou University, 550025, China
| | - Lingtian Xie
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, 110016, China.
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