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Wang J, Han S, Zhang J, Luo Y, Wang Y, Chen L. Establishment and characterization of a gill cell line from Takifugu obscurus and transcriptome analysis of its gene expression profiles upon low temperature. FISH & SHELLFISH IMMUNOLOGY 2024; 153:109843. [PMID: 39181522 DOI: 10.1016/j.fsi.2024.109843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 08/01/2024] [Accepted: 08/14/2024] [Indexed: 08/27/2024]
Abstract
Takifugu obscurus is a farmed fish of great economic importance in China. The rapid development of T. obscurus aquaculture industry has been accompanied by disease and low-temperature stress, resulting in huge economic losses. Cell lines are used extensively in teleost physiology and pathology as the most cost-effective platform for in vitro research. A novel gill cell line of T. obscurus (named TOG) was first successfully established, and passed through 52 generations. The optimal conditions for TOG growth were 20 % FBS concentration and 24 °C, TOG could be grown in both hypotonic (150 mOsmol-kg-1) and hypertonic (600 mOsmol-kg-1) environments. TOG was determined to be derived from T. obscurus by sequencing the mitochondrial COI gene. Karyotype analysis revealed that the chromosome number of TOG was 44 (2n = 44). Transfection experiment showed that TOG was able to express foreign genes. Furthermore, several immune-related genes were significantly up-regulated in TOG after LPS and poly (I:C) stimulation, including tlr3, isg15, il1β and il10. Additionally, transcriptome analysis of TOG under low-temperature stress (24 °C, 18 °C, 12 °C, 10 °C and 8 °C) found that differentially expressed genes (DEGs) were significantly clustered in several immunological and energy metabolic pathways, and cold stress could disrupt the immune barrier and reduce immunity by downregulating the immune-related pathways. Additionally, weighted gene co-expression network analysis (WGCNA) revealed that bule module and turquoise module, which were closely correlated with low temperature and the degree of fish damage, were both predominantly found in PPAR, NOD-like receptor and Toll-like receptor signaling pathway. Hub genes were identified in these two modules, including mre11, clpb, dhx15, ddx18 and utp15. TOG cell line will become an effective experimental platform for genetic and immunological research, and our results would help us gain a deeper insight into the molecular mechanism of cold tolerance in teleost.
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Affiliation(s)
- Jie Wang
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, 201306, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China.
| | - Shuang Han
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, 201306, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China.
| | - Jingping Zhang
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, 201306, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China.
| | - Yuhao Luo
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, 201306, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China.
| | - Youquan Wang
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, 201306, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China.
| | - Liangbiao Chen
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, 201306, China; International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai, 201306, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China.
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Vasek D, Holicek P, Galatik F, Kratochvilova A, Porubska B, Somova V, Fikarova N, Hajkova M, Prevorovsky M, Zurmanova JM, Krulova M. Immune response to cold exposure: Role of γδ T cells and TLR2-mediated inflammation. Eur J Immunol 2024:e2350897. [PMID: 38988146 DOI: 10.1002/eji.202350897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 07/01/2024] [Accepted: 07/02/2024] [Indexed: 07/12/2024]
Abstract
The mammalian body possesses remarkable adaptability to cold exposure, involving intricate adjustments in cellular metabolism, ultimately leading to thermogenesis. However, cold-induced stress can impact immune response, primarily through noradrenaline-mediated pathways. In our study, we utilized a rat model subjected to short-term or long-term mild cold exposure to investigate systemic immune response during the cold acclimation. To provide human relevance, we included a group of regular cold swimmers in our study. Our research revealed complex relationship between cold exposure, neural signaling, immune response, and thermogenic regulation. One-day cold exposure triggered stress response, including cytokine production in white adipose tissue, subsequently activating brown adipose tissue, and inducing thermogenesis. We further studied systemic immune response, including the proportion of leukocytes and cytokines production. Interestingly, γδ T cells emerged as possible regulators in the broader systemic response, suggesting their possible contribution in the dynamic process of cold adaptation. We employed RNA-seq to gain further insights into the mechanisms by which γδ T cells participate in the response to cold. Additionally, we challenged rats exposed to cold with the Toll-like receptor 2 agonist, showing significant modulation of immune response. These findings significantly contribute to understanding of the physiological acclimation that occur in response to cold exposure.
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Affiliation(s)
- Daniel Vasek
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Peter Holicek
- Sotio Biotech, Prague, Czech Republic
- Department of Immunology, Charles University, 2nd Faculty of Medicine and University Hospital Motol, Prague, Czech Republic
| | - Frantisek Galatik
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Anna Kratochvilova
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Bianka Porubska
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Veronika Somova
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Natalie Fikarova
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Michaela Hajkova
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Martin Prevorovsky
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jitka M Zurmanova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Magdalena Krulova
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czech Republic
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Ma D, Zhang M, Feng J. Dietary Peppermint Extract Inhibits Chronic Heat Stress-Induced Activation of Innate Immunity and Inflammatory Response in the Spleen of Broiler Chickens. Animals (Basel) 2024; 14:1157. [PMID: 38672305 PMCID: PMC11047314 DOI: 10.3390/ani14081157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
The aim of this study was to investigate the effect of dietary peppermint extract (PE) on innate immunity and inflammatory responses in the spleen of broiler chickens under chronic heat stress. In order to further study the mechanism of the activation of innate immunity and inflammation induced by chronic heat stress and the regulatory effect of peppermint extract, we examined the spleen's histological change, the mRNA expression of major pattern recognition receptors (PRRs) (TLR2, TLR4, NOD1, MDA5 and DAI) and transcription factors (NF-κB, AP-1 and IRF3) and downstream inflammatory cytokines (IFN-α, IFN-β, IL-1β, IL-6 and TNF-α) of innate immune signaling pathways associated with heat stress in the spleen of broiler chickens. The results indicated that chronic heat stress damaged the spleen tissue. In addition, chronic heat stress induced the activation of innate immunity and inflammatory responses by increasing the mRNA expression of TLR2, TLR4 and DAI, mRNA expression of transcriptional factors (NF-κB, AP-1 and IRF3) and the concentration of downstream inflammatory cytokines in the spleen of broiler chickens. Dietary peppermint extract alleviated the damage of spleen tissue caused by chronic heat stress. In addition, peppermint extract reduced the mRNA expression of DAI, mRNA expression of transcriptional factors NF-κB, AP-1 and IRF3, and the concentration of inflammatory cytokines in the spleen of broiler chickens under chronic heat stress. In conclusion, dietary peppermint extract could have a beneficial effect on regulating inflammatory response and innate immunity via inhibiting the activation of NF-κB, AP-1 and IRF3 signaling pathways mediated by DAI in the spleen of broiler chickens induced by chronic heat stress.
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Affiliation(s)
| | - Minhong Zhang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (D.M.); (J.F.)
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Yang B, Gao Y, Xi K, Wang H, Yan M, Sun H, Lin Y, Zheng X, Li Y, Guo S, Liu C. Effects of Ban Lian Zi Jin San on intestinal inflammation and barrier function of heat-stressed broilers. Poult Sci 2024; 103:103425. [PMID: 38228062 PMCID: PMC10823130 DOI: 10.1016/j.psj.2024.103425] [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: 11/14/2023] [Revised: 01/02/2024] [Accepted: 01/02/2024] [Indexed: 01/18/2024] Open
Abstract
Heat stress (HS) in broilers can be an environmental stressor that leads to intestinal inflammation and intestinal barrier damage. In order to examine the effect of Ban Lian Zi Jin San (BLZJS) on intestinal inflammation and barrier function in heat-stressed broilers, a model of chronic cyclic HS in broilers was established. A total of 300 twenty-one-day-old broilers were divided into 5 treatments at random. Broilers in 3 BLZJS dosage groups were kept in an ecologically controlled room at 37℃ ± 2℃ for 6 wk, and fed basal diets supplemented with 0.5, 1, and 2% BLZJS. Broilers in HS group were housed in the same room, but fed the basal diets. The findings indicated that supplementation of BLZJS significantly declined serum HS indexes levels (HSP70, HSP90), and increased serum antioxidant capacity (SOD and T-AOC) in broilers (P < 0.05). Besides, supplementation of BLZJS significantly inhibited the expression of HS indexes (HSP70 and HSP90), genes related to TLR4 inflammatory signal pathway (TLR4, MyD88, TRIF, IRAK-4, and NF-κB), inflammatory factors (IL-6 and TNF-α), and upregulated anti-inflammatory cytokines (IL-10) and intestinal tight junction-related genes (Occludin, Claudin-1, and ZO-1) in broiler jejunum (P < 0.05). On the other hand, supplementation of BLZJS could significantly reduce the protein expression of NF-κB and HSP70 in chick jejunum (P < 0.05). In conclusion, BLZJS inhibited the activation of TLR4 signal pathway and reduced the production of inflammatory factors, restoring the level of intestinal tight junction protein and protecting jejunal intestinal barrier function in heat-stressed broilers.
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Affiliation(s)
- Bowen Yang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Yun Gao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Kailun Xi
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Huiting Wang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Mingen Yan
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Han Sun
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Yongshi Lin
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Xiaoman Zheng
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Yaoxing Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Shining Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Technology Research Center for Traditional Chinese Veterinary Medicine and Nature Medicine, Guangzhou 510642, China; International Institute of Traditional Chinese Veterinary Medicine, Guangzhou 510642, China
| | - Cui Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
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Mahapatra S, Ganguly B, Pani S, Saha A, Samanta M. A comprehensive review on the dynamic role of toll-like receptors (TLRs) in frontier aquaculture research and as a promising avenue for fish disease management. Int J Biol Macromol 2023; 253:126541. [PMID: 37648127 DOI: 10.1016/j.ijbiomac.2023.126541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/01/2023]
Abstract
Toll-like receptors (TLRs) represent a conserved group of germline-encoded pattern recognition receptors (PRRs) that recognize pathogen-associated molecular patterns (PAMPs) and play a crucial role in inducing the broadly acting innate immune response against pathogens. In recent years, the detection of 21 different TLR types in various fish species has sparked interest in exploring the potential of TLRs as targets for boosting immunity and disease resistance in fish. This comprehensive review offers the latest insights into the diverse facets of fish TLRs, highlighting their history, classification, architectural insights through 3D modelling, ligands recognition, signalling pathways, crosstalk, and expression patterns at various developmental stages. It provides an exhaustive account of the distinct TLRs induced during the invasion of specific pathogens in various fish species and delves into the disparities between fish TLRs and their mammalian counterparts, highlighting the specific contribution of TLRs to the immune response in fish. Although various facets of TLRs in some fish, shellfish, and molluscs have been described, the role of TLRs in several other aquatic organisms still remained as potential gaps. Overall, this article outlines frontier aquaculture research in advancing the knowledge of fish immune systems for the proper management of piscine maladies.
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Affiliation(s)
- Smruti Mahapatra
- Immunology Laboratory, Fish Health Management Division, ICAR-Central Institute of Freshwater Aquaculture (ICAR-CIFA), Kausalyaganga, Bhubaneswar 751002, Odisha, India
| | - Bristy Ganguly
- Immunology Laboratory, Fish Health Management Division, ICAR-Central Institute of Freshwater Aquaculture (ICAR-CIFA), Kausalyaganga, Bhubaneswar 751002, Odisha, India
| | - Saswati Pani
- Immunology Laboratory, Fish Health Management Division, ICAR-Central Institute of Freshwater Aquaculture (ICAR-CIFA), Kausalyaganga, Bhubaneswar 751002, Odisha, India
| | - Ashis Saha
- Reproductive Biology and Endocrinology Laboratory, Fish Nutrition and Physiology Division, ICAR-Central Institute of Freshwater Aquaculture (ICAR-CIFA), Kausalyaganga, Bhubaneswar 751002, Odisha, India
| | - Mrinal Samanta
- Immunology Laboratory, Fish Health Management Division, ICAR-Central Institute of Freshwater Aquaculture (ICAR-CIFA), Kausalyaganga, Bhubaneswar 751002, Odisha, India.
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Cheng X, Li F, Kumilamba G, Liao J, Cao J, Sun J, Liu Q. Transcriptome analysis in hepatopancreases reveals the response of domesticated common carp to a high-temperature environment in the agricultural heritage rice-fish system. Front Physiol 2023; 14:1294729. [PMID: 38028756 PMCID: PMC10663232 DOI: 10.3389/fphys.2023.1294729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 10/17/2023] [Indexed: 12/01/2023] Open
Abstract
Qingtian paddy field carp (PF-carp) is a local carp cultivated in the paddy field of Qingtian, Zhejiang. This rice-fish co-culture system has been recognized as one of the Globally Important Agriculture Heritage Systems (GIAHS). PF-carp has been acclimatized to the high-temperature environment of shallow paddy fields after several centuries of domestication. To reveal the physiological and molecular regulatory mechanisms of PF-carp, we chose to use 28°C as the control group and 34°C as the treatment group. We measured biochemical parameters in their serum and hepatopancreases and also performed transcriptome sequencing analysis. Compared with the control group, the serum levels of malondialdehyde (MDA), glucose (GLU), glutathione peroxidase (GSH-Px), catalase (CAT), alanine aminotransferase (ALT), and aspartate aminotransferase (AST) show no significant change. In addition, superoxide dismutase (SOD), GSH-Px, and CAT also show no significant change in hepatopancreases. We identified 1,253 differentially expressed genes (DEGs), and their pathway analysis revealed that heat stress affected AMPK signaling pathway, protein export, and other biological processes. It is worth noting that protein processing in the endoplasmic reticulum (ER) was the most significantly enriched pathway identified by the Kyoto Encyclopedia of Genes and Genomes (KEGG) and gene set enrichment analysis (GSEA). Significantly higher levels of HSP40, HSP70, HSP90, and other ubiquitin ligase-related genes were upregulated. In summary, heat stress did not lead to tissue damage, inflammation, oxidative stress, and ER stress in the hepatopancreases of PF-carp. This study provides valuable insights into the adaptation mechanism of this species to the high-temperature environment of paddy fields.
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Affiliation(s)
- Xiangbing Cheng
- Centre for Research on Environmental Ecology and Fish Nutrition of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
| | - Fangcheng Li
- Centre for Research on Environmental Ecology and Fish Nutrition of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
| | - Gilbert Kumilamba
- Centre for Research on Environmental Ecology and Fish Nutrition of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
| | - Jiayi Liao
- Centre for Research on Environmental Ecology and Fish Nutrition of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
| | - Jiangwei Cao
- Centre for Research on Environmental Ecology and Fish Nutrition of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
| | - Jiamin Sun
- Centre for Research on Environmental Ecology and Fish Nutrition of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
| | - Qigen Liu
- Centre for Research on Environmental Ecology and Fish Nutrition of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
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Zhang S, Gong R, Zhao N, Zhang Y, Xing L, Liu X, Bao J, Li J. Effect of intermittent mild cold stimulation on intestinal immune function and the anti-stress ability of broilers. Poult Sci 2022; 102:102407. [PMID: 36571877 PMCID: PMC9803957 DOI: 10.1016/j.psj.2022.102407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/23/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022] Open
Abstract
A total of 240 healthy 1-day-old Ross 308 male broilers were randomly divided into 3 groups (CS0 group, CS3 group, and CS6 group), with 5 replicates in each group and 16 broilers in each replicate, in order to evaluate the effects of intermittent mild cold stimulation (IMCS) on the intestinal immune function and anti-cold stress ability of broilers after acute cold stress. The mRNA expression levels of cytokines and Toll-like receptors (TLRs) in the duodenum and jejunum were detected at the end of cold stimulation (36 d), 2 wk after recovery (50 d), and after acute cold stress (Y6). In addition, the mRNA and protein expression levels of heat shock proteins (HSPs) were measured before and after acute cold stress. The experimental data were statistically processed using 1-way ANOVA and Duncan's multiple comparisons. The results showed that the mRNA expression levels of IL2, IL8, IFN γ, TLR7, and TLR21 in the duodenum and IL2 and IFN γ in jejunum were significantly higher in the CS6 group than in the CS0 and CS3 groups at 36 d (P < 0.05). All TLR levels in the jejunum were significantly lower in the CS3 group than in the CS0 and CS6 groups at 36 d (P < 0.05). After 6 h of acute cold stress, in the duodenum, the mRNA expression levels of IL6 and IL8 were significantly decreased in the CS0 and CS6 groups compared to levels at 50 d (P < 0.05), while levels in the CS3 group remained stable (P > 0.05). Compared with 50 d, the expression level of HSP mRNA in the jejunum in the CS3 group was relatively stable compared to that in the CS0 and CS6 groups after acute cold stress (P > 0.05). At the protein level, the HSP60 expression level in the duodenum and HSP40, HSP60, and HSP70 expression levels in the jejunum were significantly higher in the CS3 group than in the CS0 and CS6 groups after acute cold stress (P < 0.05). In conclusion, cold stimulation training at 3℃/3 h lower than the conventional feeding temperature can improve the intestinal immune function and anti-stress ability of broilers.
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Affiliation(s)
- Shijie Zhang
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Rixin Gong
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Ning Zhao
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Yong Zhang
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Lu Xing
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Xiaotao Liu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Jun Bao
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Jianhong Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China,Corresponding author:
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Effects of Acute Cold Stress after Intermittent Cold Stimulation on Immune-Related Molecules, Intestinal Barrier Genes, and Heat Shock Proteins in Broiler Ileum. Animals (Basel) 2022; 12:ani12233260. [PMID: 36496781 PMCID: PMC9739716 DOI: 10.3390/ani12233260] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/19/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022] Open
Abstract
Cold stress will have a negative impact on animal welfare and health. In order to explore the effect of intermittent cold stimulation training on the cold resistance of broilers. Immune-related and intestinal barrier genes were detected before and after acute cold stress (ACS), aiming to find an optimal cold stimulation training method. A total of 240 1-day-old Ross broilers (Gallus) were divided into three groups (G1, G2, and G3), each with 5 replicates (16 chickens each replicate). The broilers of G1 were raised at normal temperature, while the broilers of G2 and G3 were treated with cold stimulation at 3 °C lower than the G1 for 3 h and 6 h from 15 to 35 d, respectively, at one-day intervals. At 50 d, the ambient temperature for all groups was reduced to 10 °C for six hours. The results demonstrated that before ACS, IL6, IL17, TLR21, and HSP40 mRNA levels in G3 were apparently down-regulated (p < 0.05), while IL8 and Claudin-1 mRNA levels were significantly up-regulated compared with G1 (p < 0.05). After ACS, IL2, IL6, and IL8 expression levels in G3 were lower than those in G2 (p < 0.05). Compared to G2, Claudin-1, HSP90 mRNA levels, HSP40, and HSP70 protein levels were increased in G3 (p < 0.05). The mRNA levels of TLR5, Mucin2, and Claudin-1 in G2 and IL6, IL8, and TLR4 in G3 were down-regulated after ACS, while IL2, IL6, and IL17 mRNA levels in G2 and HSP40 protein levels in G3 were up-regulated after ACS (p < 0.05). Comprehensive investigation shows that cold stimulation at 3 °C lower than the normal feeding temperature for six hours at one day intervals can enhanced immune function and maintain the stability of intestinal barrier function to lessen the adverse effects on ACS in broilers.
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Bai Y, Liao Y, Song Y, Wang J, Deng X, Luan L, An N, Zhou W, Liang T, Yang Y, Li X. Dietary yeast culture alleviates intestinal-hepatic damage related to TLR2-MyD88-NF-κB signaling pathway and antioxidant capability in Pseudobagrus ussuriensis. FISH & SHELLFISH IMMUNOLOGY 2022; 130:428-435. [PMID: 36176225 DOI: 10.1016/j.fsi.2022.09.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/11/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Yeast culture (YC), as a member of probiotics family is a natural product produced from yeast fermentation, affects of improving immunity. However, the intestine and liver injury and immunosuppression mechanism caused by SBA in fish are unclear and more functions of YC supplement in the diet need to be developed. Soybean agglutinin (SBA) is an anti-nutritional factor in soybean and leads to growth-inhibitory effect in feeding of the high proportion of soybean meal replacing fish meal (FM). Therefore, one hundred and thirty-five Pseudobagrus ussuriensis (6.5 ± 0.27 g) were randomly selected and divided into three groups (Control, SBA and YC+SBA groups). For the model, fish were fed with 2% YC for 8 weeks and then given intragastric administration of 0.2-mL SBA solution for 20 days. The results showed that SBA damaged the immune and antioxidant capacity, causing an inflammatory reaction, leading to abnormal expression of cytokines in the intestine and liver of Pseudobagrus ussuriensis. YC could effectively attenuate intestinal and liver damage and downregulate the TLR2/MyD88/NF-κB signaling pathway and suppress oxidative stress in Pseudobagrus ussuriensis. Besides, YC had obvious immune advantage, which could improve the immune ability. In summary, these results showed that YC could reduce immunosuppression and intestinal-liver injury by inhibiting the TLR2/MyD88/NF-κB signal pathway and oxidative stress induced by SBA. This study provided some explanations for the problems of fish diet caused by anti-nutritional factors from soybean meal and provided a theoretical basis for the function development of YC in aquaculture.
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Affiliation(s)
- Yichen Bai
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yilu Liao
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yingying Song
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Jiahao Wang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Xiangyi Deng
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Liuyang Luan
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Ning An
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Wenhao Zhou
- Beijing Enhalor Institute of Biotechnology, Beijing, 100081, PR China
| | - Tingyin Liang
- Beijing Enhalor Institute of Biotechnology, Beijing, 100081, PR China
| | - Yuhong Yang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Xiaojing Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China.
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10
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The first draft genome assembly and data analysis of the Malaysian mahseer (Tor tambroides). AQUACULTURE AND FISHERIES 2022. [DOI: 10.1016/j.aaf.2022.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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11
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Li Q, Ouyang J, Zhou H, You J, Li G. Effect of probiotic supplementation on the expression of tight junction proteins, innate immunity-associated genes, and microbiota composition of broilers subjected to cyclic heat stress. Anim Sci J 2022; 93:e13719. [PMID: 35384158 DOI: 10.1111/asj.13719] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 01/25/2022] [Accepted: 03/01/2022] [Indexed: 12/21/2022]
Abstract
This study investigated the effects of probiotic on intestinal innate immunity-associated gene expression and cecal microbiota in heat-stressed broilers. A total of 180 21-day-old male broilers were randomly assigned to three treatment groups with four replicates per group. The thermoneutral group (TN) (23 ± 1°C) received a basal diet, and another two heat-stressed groups (28-35-28°C for 12 h daily) were fed the basal diet (HS) or the basal diet supplemented with probiotic at a dose of 1.5 × 108 CFU/kg (HS_Pro) for 21 consecutive days. Compared with the TN group, the abundance of beneficial bacteria was decreased (p < 0.05) in the caecum of heat-stressed broilers. Heat stress downregulated (p < 0.05) the expression of Toll-like receptor (TLR)2 and upregulated (p < 0.05) the expressions of TLR5, TLR15, avian β-defensin (AvBD)4, AvBD8, and AvBD14 in the ileum as compared with the TN group. Dietary supplementation of probiotic upregulated (p < 0.05) the occludin expression in the ileum, improved the microbiota balance in the caecum, and decreased (p < 0.05) the gene expressions of TLR5 and TLR15 in the ileum of heat-stressed broilers. Collectively, dietary probiotic supplementation could promote intestinal barrier function via improving gut microbiota community and regulating innate immunity-associated gene expressions in heat-stressed broilers.
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Affiliation(s)
- Qiufen Li
- Jiangxi Province Key Laboratory of Animal Nutrition, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, China.,Jiangxi Province Key Innovation Center of Integration in Production and Education for High-quality and Safe Livestock and Poultry, Nanchang, China
| | - Jingxin Ouyang
- Jiangxi Province Key Laboratory of Animal Nutrition, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, China.,Jiangxi Province Key Innovation Center of Integration in Production and Education for High-quality and Safe Livestock and Poultry, Nanchang, China
| | - Hua Zhou
- Jiangxi Province Key Laboratory of Animal Nutrition, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, China.,Jiangxi Province Key Innovation Center of Integration in Production and Education for High-quality and Safe Livestock and Poultry, Nanchang, China
| | - Jinming You
- Jiangxi Province Key Laboratory of Animal Nutrition, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, China.,Jiangxi Province Key Innovation Center of Integration in Production and Education for High-quality and Safe Livestock and Poultry, Nanchang, China
| | - Guanhong Li
- Jiangxi Province Key Laboratory of Animal Nutrition, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, China.,Jiangxi Province Key Innovation Center of Integration in Production and Education for High-quality and Safe Livestock and Poultry, Nanchang, China
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12
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Paria P, Chakraborty HJ, Pakhira A, Das Mohapatra PK, Parida PK, Behera BK. Trh positive strain of Vibrio parahaemolyticus induce immunity by modulating MAPK pathway: A molecular pathogenic insight in immune-related gene regulation. Microb Pathog 2022; 164:105436. [DOI: 10.1016/j.micpath.2022.105436] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 01/30/2022] [Accepted: 01/30/2022] [Indexed: 12/12/2022]
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13
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Association study between relative expression levels of eight genes and growth rate in Hungarian common carp ( Cyprinus carpio). Saudi J Biol Sci 2022; 29:630-639. [PMID: 35002460 PMCID: PMC8716967 DOI: 10.1016/j.sjbs.2021.09.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 09/11/2021] [Accepted: 09/12/2021] [Indexed: 11/20/2022] Open
Abstract
One of the most important issues in improving the competitiveness of the fish production sector is to improve the growth rate of fish. The genetic background to this trait is at present poorly understood. In this study, we compared the relative gene expression levels of the Akt1s1, FGF, GH, IGF1, MSTN, TLR2, TLR4 and TLR5 genes in blood in groups of common carps (Cyprinus carpio), which belonged to different growth types and phenotypes. Fish were divided into groups based on growth rate (normal group: n = 6; slow group: n = 6) and phenotype (scaled group: n = 6; mirror group: n = 6). In the first 18 weeks, we measured significant differences (p < 0.05) between groups in terms of body weight and body length. Over the next 18 weeks, the fish in the slow group showed more intense development. In the same period, the slow group was characterized by lower expression levels for most genes, whereas GH and IGF1 mRNA levels were higher compared to the normal group. We found that phenotype was not a determining factor in differences of relative expression levels of the genes studied.
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14
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Pandey A, Rajesh M, Baral P, Sarma D, Tripathi PH, Akhtar MS, Ciji A, Dubey MK, Pande V, Sharma P, Kamalam BS. Concurrent changes in thermal tolerance thresholds and cellular heat stress response reveals novel molecular signatures and markers of high temperature acclimation in rainbow trout. J Therm Biol 2021; 102:103124. [PMID: 34863487 DOI: 10.1016/j.jtherbio.2021.103124] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 10/27/2021] [Accepted: 10/30/2021] [Indexed: 01/31/2023]
Abstract
The objective of this study was to better understand the molecular mechanisms which regulate acclimatory responses and thermal safety margins of rainbow trout (Oncorhynchus mykiss) at temperatures above physiological optimum. For this, we investigated the time course of changes in critical thermal tolerance thresholds and associated hepatic and renal transcript abundance of molecular markers related to cellular stress response, during high temperature acclimation. The experimental fish were initially acclimated to 17 °C and later exposed to a gradually raised elevated temperature regime (22 °C) for a period of 30 days. CTmax, CTmin and mRNA expression of candidate markers were examined before the thermal challenge (T0) and over the time-course (days) of high temperature exposure (T1, T3, T7, T15 and T30). With respect to organismal response, CTmax was significantly elevated at T3, but the degree of gain in heat tolerance was not persistent. Contrarily, we observed a gradual loss in cold tolerance with highest CTmin estimate at T30. Based on the time-course of mRNA expression, the studied markers could be categorized into those which were persistently elevated (hsp70a, hsp70b, hspa5, hsp90a, hsp90b, stip1 and serpinh1 in kidney and hsp90b in liver); those which concurred with changes in CTmin (hspbp1, hsp90b, stip1, gr1, hif1a, hyou1, tnfa and tlr5 in kidney); and those which concurred with changes in CTmax (hsp90a, serpinh1, tlr5 and lmo2 in liver). Apparently, transcriptional changes in kidney and liver reflected CTmin and CTmax trend, respectively. Expression profile of stip1 and tlr5 suggest that they are potential novel markers which could reflect thermal limits in rainbow trout. Hepatic metabolic markers were either initially elevated (alt, glud, g6pase1) or down-regulated at different time-points (ast2, gls1, fas, cpt1b, mtor), linked to gluconeogenesis and metabolic depression, respectively. Whereas, growth-axis markers showed no significant differences. Overall, this time-course analysis has revealed potential associations in organismal and tissue-specific cellular response to high temperature acclimation in a thermally sensitive coldwater ectotherm.
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Affiliation(s)
- Anupam Pandey
- ICAR-Directorate of Coldwater Fisheries Research, Bhimtal, 263136, Uttarakhand, India; Department of Biotechnology, Kumaun University, Bhimtal, 263136, Uttarakhand, India
| | - Manchi Rajesh
- ICAR-Directorate of Coldwater Fisheries Research, Bhimtal, 263136, Uttarakhand, India
| | - Pratibha Baral
- ICAR-Directorate of Coldwater Fisheries Research, Bhimtal, 263136, Uttarakhand, India
| | - Debajit Sarma
- ICAR-Directorate of Coldwater Fisheries Research, Bhimtal, 263136, Uttarakhand, India
| | - Priyanka H Tripathi
- ICAR-Directorate of Coldwater Fisheries Research, Bhimtal, 263136, Uttarakhand, India; Department of Biotechnology, Kumaun University, Bhimtal, 263136, Uttarakhand, India
| | - Md Shahbaz Akhtar
- ICAR-Directorate of Coldwater Fisheries Research, Bhimtal, 263136, Uttarakhand, India
| | - Alexander Ciji
- ICAR-Directorate of Coldwater Fisheries Research, Bhimtal, 263136, Uttarakhand, India
| | - Maneesh Kumar Dubey
- ICAR-Directorate of Coldwater Fisheries Research, Bhimtal, 263136, Uttarakhand, India
| | - Veena Pande
- Department of Biotechnology, Kumaun University, Bhimtal, 263136, Uttarakhand, India
| | - Prakash Sharma
- ICAR-Directorate of Coldwater Fisheries Research, Bhimtal, 263136, Uttarakhand, India
| | - Biju Sam Kamalam
- ICAR-Directorate of Coldwater Fisheries Research, Bhimtal, 263136, Uttarakhand, India.
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15
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Seibel H, Baßmann B, Rebl A. Blood Will Tell: What Hematological Analyses Can Reveal About Fish Welfare. Front Vet Sci 2021; 8:616955. [PMID: 33860003 PMCID: PMC8042153 DOI: 10.3389/fvets.2021.616955] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 02/10/2021] [Indexed: 01/11/2023] Open
Abstract
Blood analyses provide substantial information about the physiological aspects of animal welfare assessment, including the activation status of the neuroendocrine and immune system, acute and long-term impacts due to adverse husbandry conditions, potential diseases, and genetic predispositions. However, fish blood is still not routinely analyzed in research or aquaculture for the assessment of health and/or welfare. Over the years, the investigative techniques have evolved from antibody-based or PCR-based single-parameter analyses to now include transcriptomic, metabolomic, and proteomic approaches and from hematological observations to fluorescence-activated blood cell sorting in high-throughput modes. The range of testing techniques established for blood is now broader than for any other biogenic test material. Evaluation of the particular characteristics of fish blood, such as its cell composition, the nucleation of distinct blood cells, or the multiple isoforms of certain immune factors, requires adapted protocols and careful attention to the experimental designs and interpretation of the data. Analyses of fish blood can provide an integrated picture of the endocrine, immunological, reproductive, and genetic functions under defined environmental conditions and treatments. Therefore, the scarcity of high-throughput approaches using fish blood as a test material for fish physiology studies is surprising. This review summarizes the wide range of techniques that allow monitoring of informative fish blood parameters that are modulated by different stressors, conditions, and/or treatments. We provide a compact overview of several simple plasma tests and of multiparametric analyses of fish blood, and we discuss their potential use in the assessment of fish welfare and pathologies.
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Affiliation(s)
- Henrike Seibel
- Institute of Animal Breeding and Husbandry, Christian-Albrechts-University, Kiel, Germany
- Gesellschaft für Marine Aquakultur mbH (GMA), Büsum, Germany
| | - Björn Baßmann
- Department of Aquaculture and Sea-Ranching, Faculty of Agricultural and Environmental Science, University of Rostock, Rostock, Germany
| | - Alexander Rebl
- Institute of Genome Biology, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany
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16
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Li S, Li J, Liu Y, Li C, Zhang R, Bao J. Effects of Intermittent Mild Cold Stimulation on mRNA Expression of Immunoglobulins, Cytokines, and Toll-Like Receptors in the Small Intestine of Broilers. Animals (Basel) 2020; 10:ani10091492. [PMID: 32846975 PMCID: PMC7552237 DOI: 10.3390/ani10091492] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 08/20/2020] [Accepted: 08/21/2020] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Cold stress has been associated with adverse effects on health and welfare of broilers. Whilst several studies have shown that long-term sustained and mild cold stimulation can improve immune function, little is known of the effects of intermittent cold stimulation on immune modulation in broilers. In this study, broilers were submitted to cold stimulation of 3 °C below than the usual rearing temperature during 3 and 6 h every two days during 43 days to explore its effect on the intestinal immunity. The findings confirm that appropriate mild cold stimulation has an overall positive influence on the intestinal immunity of broilers. The mild cold stimulation tested in this study is cost-effective and likely enhances overall health of broilers. Abstract Appropriate cold stimulation can improve immune function and stress tolerance in broilers. In order to investigate the effect of intermittent mild cold stimulation on the intestinal immunity of broilers, 240 healthy one-day-old Ross 308 chickens were randomly divided into three groups: the control group (CC) housed in climatic chambers under usual rearing ambient temperature with a gradual 3.5 °C decrease per week; group II (C3) and group III (C6) to which cold stimulation at 3 °C below the temperature used in CC was applied every two days for 3 and 6 h, respectively, from day 15 to 35, and at the same temperature used in CC from day 35 to 43. The mRNA expression levels of immunoglobulins (IgA and IgG), cytokines (IL2, IL6, IL8, IL17, and IFNγ), and Toll-like receptors (TLR2, TLR4, TLR5, TLR7, and TLR21) were investigated in duodenum, jejunum, and ileum tissue samples on days 22, 29, 35, and 43. From day 15 to 35, mRNA expression of IL2 and IFNγ was increased in the intestine of broilers. After one week of cold stimulation on day 43, mRNA levels of immunoglobulins, cytokines, and Toll-like receptors (TLRs) stabilized. Collectively, the findings indicate that cold stimulation at 3 °C below the usual rearing temperature had a positive impact on intestinal immunity of broilers.
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Affiliation(s)
- Shuang Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (S.L.); (J.L.); (Y.L.); (C.L.)
| | - Jianhong Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (S.L.); (J.L.); (Y.L.); (C.L.)
| | - Yanhong Liu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (S.L.); (J.L.); (Y.L.); (C.L.)
| | - Chun Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (S.L.); (J.L.); (Y.L.); (C.L.)
| | - Runxiang Zhang
- Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (R.Z.); (J.B.)
| | - Jun Bao
- Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (R.Z.); (J.B.)
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17
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Chu T, Liu F, Qin G, Zhan W, Wang M, Lou B. Transcriptome analysis of the Larimichthys polyactis under heat and cold stress. Cryobiology 2020; 96:175-183. [PMID: 32781044 DOI: 10.1016/j.cryobiol.2020.06.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 05/29/2020] [Accepted: 06/25/2020] [Indexed: 01/01/2023]
Abstract
The small yellow croaker (Larimichthys polyactis) is an economically important marine fish that is widely distributed in the East Sea, Yellow Sea and Bohai of China. However, the wild populations of L. polyactis are severely depleted, and there is currently a developing large-scale artificial propagation of this fish for aquaculture. However, the current variety of L. polyactis that is cultivated is not capable to coping with large fluctuations in temperature. Therefore, it is important to understand the molecular mechanisms that are activated in response to temperature stress in the L. polyactis. Here, we conducted transcriptomic analysis of the liver of L. polyactis under heat and cold stress. A total of 270,844,888, 265,727,006 and 259,666,218 clean reads were generated from high temperature group, low temperature group and control group, respectively, and comparing expression of genes in these transcriptomes, 10,878 unigenes that were differential expressed were identified. Seventeen of the differentially expressed unigenes were validated by qRT-PCR. Pathway enrichment analysis identified that the ER pathway, immune signaling pathway and metabolic response pathway were affected by temperature stress. The results of this study provide a comprehensive overview of temperature stress-induced transcriptional patterns in liver tissues of the L. polyactis. In addition, these results can guide future molecular studies of heat and cold stress response in this species for improving the stock used for aquaculture.
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Affiliation(s)
- Tianqi Chu
- School of Fishery of Zhejiang Ocean University, Zhoushan, 316022, China
| | - Feng Liu
- Institute of Hydrobiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China.
| | - Gaochan Qin
- School of Fishery of Zhejiang Ocean University, Zhoushan, 316022, China
| | - Wei Zhan
- Institute of Hydrobiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Mengjie Wang
- School of Fishery of Zhejiang Ocean University, Zhoushan, 316022, China
| | - Bao Lou
- Institute of Hydrobiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
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18
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Liu Y, Xue G, Li S, Fu Y, Yin J, Zhang R, Li J. Effect of Intermittent and Mild Cold Stimulation on the Immune Function of Bursa in Broilers. Animals (Basel) 2020; 10:ani10081275. [PMID: 32722590 PMCID: PMC7459812 DOI: 10.3390/ani10081275] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 07/17/2020] [Accepted: 07/24/2020] [Indexed: 12/15/2022] Open
Abstract
Cold stress causes growth performance to decrease and increases production costs. Cold adaptation can enhance immune function and alleviate the negative impact caused by the stress condition. The study investigated the effect of intermittent and mild cold stimulation on the immune function of the bursa of Fabricius in broilers. A total of 400 healthy one-day-old broilers were divided into the control group (CC) and cold stimulation (CS) groups. The CC group was raised at a conventional raising temperature of broilers, while the CS groups were raised at 3°C below the temperature of the CC for three-, four-, five-, or six-hour periods at one-day intervals from 15 to 35 days of age (D35), denoted CS3, CS4, CS5, and CS6, respectively. Subsequently, they were raised at 20°C from 36 to 49 days of age (D49). The expression levels of TLRs, cytokines, and AvBDs were determined to access the immune function of bursa in broilers. After 21-day IMCS (at D36), the expression levels of TLR1, TLR15 and TLR21, interleukin (IL)-8, and interferon (IFN)-γ, as well as AvBD8 in CS groups, were lower than those in CC (p < 0.05). The expression levels of TLR3, TLR4 and TLR7, were decreased in the CS3, CS5, and CS6 groups (p < 0.05), but there were no significant differences in both the CC and CS4 groups (p > 0.05). When the IMCS ended for 14 days (at D49), the expression levels of TLR2, TLR3, TLR5, TLR7, TLR15, and TLR21, and IL-8, as well as AvBD2, AvBD4 and AvBD7 in CS groups, were lower than those in CC (p < 0.05). In addition to CS4, the expression levels of TLR1, IFN-γ, and AvBD8 in CS3, CS5, and CS6 were still lower than those in CC (p < 0.05). We concluded that the intermittent and mild cold stimulation could regulate immunoreaction by modulating the production of TLRs, cytokines, and AvBDs in the bursa, which could help broilers adapt to low ambient temperature and maintain homeostasis.
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Affiliation(s)
- Yanhong Liu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (G.X.); (S.L.); (Y.F.); (J.Y.)
| | - Ge Xue
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (G.X.); (S.L.); (Y.F.); (J.Y.)
| | - Shuang Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (G.X.); (S.L.); (Y.F.); (J.Y.)
| | - Yajie Fu
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (G.X.); (S.L.); (Y.F.); (J.Y.)
| | - Jingwen Yin
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (G.X.); (S.L.); (Y.F.); (J.Y.)
| | - Runxiang Zhang
- Key Laboratory of Chicken Genetics and Breeding, Ministry of Agriculture and Rural, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (R.Z.); (J.L.)
| | - Jianhong Li
- College of Life Science, Northeast Agricultural University, Harbin 150030, China; (Y.L.); (G.X.); (S.L.); (Y.F.); (J.Y.)
- Correspondence: (R.Z.); (J.L.)
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Filipe JF, Herrera V, Curone G, Vigo D, Riva F. Floods, Hurricanes, and Other Catastrophes: A Challenge for the Immune System of Livestock and Other Animals. Front Vet Sci 2020; 7:16. [PMID: 32083100 PMCID: PMC7004950 DOI: 10.3389/fvets.2020.00016] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 01/10/2020] [Indexed: 12/21/2022] Open
Abstract
Climate change involves different dramatic phenomena including desertification and wildfires, severe storms such as hurricanes and blizzards, increased sea levels resulting in flooding coastal cities and rise of atmospheric CO2 concentration. The alteration of the climate in a specific region affects the life of indigenous animals and humans. The climate changes influence living beings both directly and indirectly. The immune system of animals dramatically suffers the climate instability, making animals more susceptible to infectious and not infectious diseases. Different species of livestock animals respond with similar mechanisms to global warming, but some of them are more susceptible depending on their age, metabolism, and genetic conditions. The selection and study of autochthonous species and breeds, more easily adapted to specific environmental conditions could be an interesting strategy to face livestock rearing in the future.
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Affiliation(s)
- Joel F Filipe
- Dipartimento di Medicina Veterinaria, Università degli Studi di Milano, Milan, Italy
| | - Valentina Herrera
- Dipartimento di Medicina Veterinaria, Università degli Studi di Milano, Milan, Italy
| | - Giulio Curone
- Dipartimento di Medicina Veterinaria, Università degli Studi di Milano, Milan, Italy
| | - Daniele Vigo
- Dipartimento di Medicina Veterinaria, Università degli Studi di Milano, Milan, Italy
| | - Federica Riva
- Dipartimento di Medicina Veterinaria, Università degli Studi di Milano, Milan, Italy
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20
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Hwang HS, Lee MH, Choi MH, Kim HA. NOD2 signaling pathway is involved in fibronectin fragment-induced pro-catabolic factor expressions in human articular chondrocytes. BMB Rep 2020. [PMID: 30760380 PMCID: PMC6605519 DOI: 10.5483/bmbrep.2019.52.6.165] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The nucleotide-binding and oligomerization domain (NOD) is an innate pattern recognition receptor that recognizes pathogen- and damage-associated molecular patterns. The 29-kDa amino-terminal fibronectin fragment (29-kDa FN-f) is a matrix degradation product found in the synovial fluids of patients with osteoarthritis (OA). We investigated whether NOD2 was involved in 29-kDa FN-f-induced pro-catabolic gene expression in human chondrocytes. The expression of mRNA and protein was measured using quantitative real-time polymerase chain reaction (qrt-PCR) and Western blot analysis. Small interfering RNAs were used for knockdown of NOD2 and toll-like receptor 2 (TLR-2). An immunoprecipitation assay was performed to examine protein interactions. The NOD2 levels in human OA cartilage were much higher than in normal cartilage. NOD1 and NOD2 expression, as well as pro-inflammatory cytokines, including interleukin-1beta (IL-1β) and tumor necrosis factor-alpha (TNF-α), were upregulated by 29-kDa FN-f in human chondrocytes. NOD2 silencing showed that NOD2 was involved in the 29-kDa FN-f-induced expression of TLR-2. Expressions of IL-6, IL-8, matrix metalloproteinase (MMP)-1, -3, and -13 were also suppressed by TLR-2 knockdown. Furthermore, NOD2 and TLR-2 knockdown data demonstrated that both NOD2 and TLR-2 modulated the expressions of their adaptors, receptor-interacting protein 2 (RIP2) and myeloid differentiation 88, in 29-kDa FN-f-treated chondrocytes. 29-kDa FN-f enhanced the interaction of NOD2, RIP2 and transforming growth factor beta-activated kinase 1 (TAK1), an indispensable signaling intermediate in the TLR-2 signaling pathway, and activated nuclear factor-κB (NF-κB), subsequently leading to increased expressions of pro-inflammatory cytokines and cartilage-degrading enzymes. These results demonstrate that 29-kDa FN-f modulated pro-catabolic responses via cross-regulation of NOD2 and TLR-2 signaling pathways.
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Affiliation(s)
- Hyun Sook Hwang
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang 14068; Institute for Skeletal Aging, Hallym University, Chunchon 24251, Korea
| | - Mi Hyun Lee
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang 14068; Institute for Skeletal Aging, Hallym University, Chunchon 24251, Korea
| | - Min Ha Choi
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang 14068; Institute for Skeletal Aging, Hallym University, Chunchon 24251, Korea
| | - Hyun Ah Kim
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang 14068; Institute for Skeletal Aging, Hallym University, Chunchon 24251, Korea
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21
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He S, Yu Q, He Y, Hu R, Xia S, He J. Dietary resveratrol supplementation inhibits heat stress-induced high-activated innate immunity and inflammatory response in spleen of yellow-feather broilers. Poult Sci 2019; 98:6378-6387. [PMID: 31406997 PMCID: PMC8913767 DOI: 10.3382/ps/pez471] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 07/30/2019] [Indexed: 12/13/2022] Open
Abstract
The aim of this study was to investigate the effect of dietary resveratrol supplementation on innate immunity and inflammatory responses in the spleen of yellow-feather broilers under heat stress. A total of 288 yellow-feather broilers of 28-day-old were randomly assigned to 3 treatment groups with 6 replicates. A thermo-neutral group (TN) (24 ± 2°C) received a basal diet and another 2 heat-stressed groups (37 ± 2°C for 8 h/D and 24 ± 2°C for the remaining time) were fed the basal diet (HT) or basal diet with 500 mg/kg resveratrol (HT+Res) for 14 consecutive days. The results showed that heat stress decreased (P < 0.05) the growth index of thymus, spleen, and bursa of Fabricius, reduced (P < 0.05) the levels of complement C3 and C4 in serum. Heat stress also caused activation of inflammatory immune responses evidenced by increased (P < 0.05) the mRNA abundance of HSP (heat shock protein) 70, toll-like receptor (TLR)1, TLR4, TLR5, myeloid differentiation factor-88 (MyD88), nucleotide-binding oligomerization domain 1 (NOD1), Dectin-1, transforming growth factor-β-activated kinase 1 (TAK1), interleukin (IL)-1, IL-4, IL-6, and tumor necrosis factor (TNF)-α, but decreased the mRNA abundance of interferon (IFN)-γ, activated nuclear factor kappa B (NF-κB), mitogen-activated protein kinases (MAPK), and phosphoinositide-3 kinases-protein kinase B (PI3K/AKT) signaling pathways. Dietary supplementation with resveratrol improved (P < 0.05) the growth index of thymus, spleen and bursa Fabricius, and increased (P < 0.05) the serum level of complement C3 under heat stress. In addition, resveratrol reduced (P < 0.05) the mRNA abundance of HSP70, TLR4, TLR5, NOD1, Dectin-1, and TAK1, and inhibited the NF-κB, MAPK and PI3K/AKT signaling pathway via down-regulated the phosphorylation of p65, extracellular signal-regulated kinases 1/2, c-Jun N-terminal protein kinase and AKT, as well as decreased the inflammatory cytokines expression, including IL-1, IL-4, IL-6, and TNF-α in the spleen under heat stress. Collectively, dietary resveratrol could have beneficial effects to regulate innate immunity and inflammatory response, via inhibiting the activation of NF-κB, MAPK, and PI3K/AKT signaling pathways induced by heat stress in the spleen.
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Valenzuela CA, Escobar-Aguirre S, Zuloaga R, Vera-Tobar T, Mercado L, Björnsson BT, Valdés JA, Molina A. Stocking density induces differential expression of immune-related genes in skeletal muscle and head kidney of fine flounder (Paralichthys adspersus). Vet Immunol Immunopathol 2019; 210:23-27. [PMID: 30947976 DOI: 10.1016/j.vetimm.2019.03.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 03/08/2019] [Accepted: 03/09/2019] [Indexed: 10/27/2022]
Abstract
Immunity can be modulated by different internal and external factors, being stress one of the most important. However, the stress effects on the immunocompetence of the skeletal muscle has not been studied in detail in earlier vertebrates. Here, we examine the effect of chronic (4 and 7 weeks) crowding stress on the immunocompetence of skeletal muscle and head kidney in the fine flounder (Paralichthys adspersus). Corticosteroid receptor transcript levels and their target genes; pro-inflammatory cytokines, and Toll-, NOD-, and RIG-like receptors were quantified by qPCR. The results indicate that chronic stress down-regulates the expression of these genes in muscle, compromising skeletal muscle immunocompetence, while the expression of these genes is upregulated in head kidney after seven weeks of crowding stress. The data suggests that chronic stress modulates the expression of these immune-related genes in a tissue-specific manner.
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Affiliation(s)
- Cristián A Valenzuela
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad de Ciencias de la Vida, 8370146 Santiago, Chile; Interdisciplinary Center for Aquaculture Research (INCAR), 4030000 Concepcion, Chile.
| | - Sebastián Escobar-Aguirre
- Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, 7820436 Santiago, Chile.
| | - Rodrigo Zuloaga
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad de Ciencias de la Vida, 8370146 Santiago, Chile.
| | - Tamara Vera-Tobar
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad de Ciencias de la Vida, 8370146 Santiago, Chile; Interdisciplinary Center for Aquaculture Research (INCAR), 4030000 Concepcion, Chile.
| | - Luis Mercado
- Laboratorio de Genética e Inmunología Molecular, Instituto de Biología, Pontificia Universidad Católica de Valparaíso, 2340000 Valparaíso, Chile.
| | - Björn Thrandur Björnsson
- Fish Endocrinology Laboratory, Department of Biological and Environmental Sciences, University of Gothenburg, 40530 Gothenburg, Sweden.
| | - Juan A Valdés
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad de Ciencias de la Vida, 8370146 Santiago, Chile; Interdisciplinary Center for Aquaculture Research (INCAR), 4030000 Concepcion, Chile; Universidad Andres Bello, Centro de Investigación Marina Quintay (CIMARQ), 2340000 Valparaíso, Chile.
| | - Alfredo Molina
- Universidad Andres Bello, Laboratorio de Biotecnología Molecular, Facultad de Ciencias de la Vida, 8370146 Santiago, Chile; Interdisciplinary Center for Aquaculture Research (INCAR), 4030000 Concepcion, Chile; Universidad Andres Bello, Centro de Investigación Marina Quintay (CIMARQ), 2340000 Valparaíso, Chile.
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Nie L, Cai SY, Shao JZ, Chen J. Toll-Like Receptors, Associated Biological Roles, and Signaling Networks in Non-Mammals. Front Immunol 2018; 9:1523. [PMID: 30034391 PMCID: PMC6043800 DOI: 10.3389/fimmu.2018.01523] [Citation(s) in RCA: 182] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 06/19/2018] [Indexed: 01/18/2023] Open
Abstract
The innate immune system is the first line of defense against pathogens, which is initiated by the recognition of pathogen-associated molecular patterns (PAMPs) and endogenous damage-associated molecular patterns (DAMPs) by pattern recognition receptors (PRRs). Among all the PRRs identified, the toll-like receptors (TLRs) are the most ancient class, with the most extensive spectrum of pathogen recognition. Since the first discovery of Toll in Drosophila melanogaster, numerous TLRs have been identified across a wide range of invertebrate and vertebrate species. It seems that TLRs, the signaling pathways that they initiate, or related adaptor proteins are essentially conserved in a wide variety of organisms, from Porifera to mammals. Molecular structure analysis indicates that most TLR homologs share similar domain patterns and that some vital participants of TLR signaling co-evolved with TLRs themselves. However, functional specification and emergence of new signaling pathways, as well as adaptors, did occur during evolution. In addition, ambiguities and gaps in knowledge still exist regarding the TLR network, especially in lower organisms. Hence, a systematic review from the comparative angle regarding this tremendous signaling system and the scenario of evolutionary pattern across Animalia is needed. In the current review, we present overview and possible evolutionary patterns of TLRs in non-mammals, hoping that this will provide clues for further investigations in this field.
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Affiliation(s)
- Li Nie
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, China
| | - Shi-Yu Cai
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, China
| | - Jian-Zhong Shao
- College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Jiong Chen
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, China
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Ansari AR, Li NY, Sun ZJ, Huang HB, Zhao X, Cui L, Hu YF, Zhong JM, Karrow NA, Liu HZ. Lipopolysaccharide induces acute bursal atrophy in broiler chicks by activating TLR4-MAPK-NF-κB/AP-1 signaling. Oncotarget 2017; 8:108375-108391. [PMID: 29312537 PMCID: PMC5752450 DOI: 10.18632/oncotarget.19964] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Accepted: 07/23/2017] [Indexed: 02/07/2023] Open
Abstract
We investigated the mechanisms that induce atrophy of the chicken bursa of Fabricius (BF) upon lipopolysaccharide (LPS) treatment in young chicks. LPS treatment resulted in ∼36% decrease in bursal weight within 36 h (P < 0.01). Histological analysis showed infiltration of eosinophilic heterophils and nucleated oval shaped RBCs in or near blood vessels of the BF from LPS-treated chicks. Scanning electron micrographs showed severe erosion and breaks in the mucosal membrane at 12 h and complete exuviation of bursal mucosal epithelial cells at 36 h. We observed decreased cell proliferation (low PCNA positivity) and increased apoptosis (high TUNEL and ssDNA positivity) in the BF 12-72 h after LPS treatment. RNA-seq analysis of the BF transcriptome showed 736 differentially expressed genes with most expression changes (637/736) 12 h after LPS treatment. KEGG pathway analysis identified TLR4-MAPK-NF-κB/AP-1 as the key signaling pathway affected in response to LPS stimulation. These findings indicate LPS activates the TLR4-MAPK-NF-κB/AP-1 signaling pathway that mediates acute atrophy of the chicken bursa of Fabricius by inducing inflammation and apoptosis.
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Affiliation(s)
- Abdur Rahman Ansari
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
- Department of Basic Sciences, Section of Anatomy and Histology, College of Veterinary and Animal Sciences (CVAS) Jhang, University of Veterinary and Animal Sciences (UVAS), Lahore, Pakistan
| | - Ning-Ya Li
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Zhi-Jian Sun
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Hai-Bo Huang
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Xing Zhao
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Lei Cui
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Ya-Fang Hu
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Ju-Ming Zhong
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
- Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, USA
| | - Niel A. Karrow
- Department of Animal Biosciences, University of Guelph, Guelph, Ontario, Canada
| | - Hua-Zhen Liu
- Department of Basic Veterinary Medicine, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
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Madeira D, Araújo JE, Vitorino R, Costa PM, Capelo JL, Vinagre C, Diniz MS. Molecular Plasticity under Ocean Warming: Proteomics and Fitness Data Provides Clues for a Better Understanding of the Thermal Tolerance in Fish. Front Physiol 2017; 8:825. [PMID: 29109689 PMCID: PMC5660107 DOI: 10.3389/fphys.2017.00825] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 10/06/2017] [Indexed: 11/24/2022] Open
Abstract
Ocean warming is known to alter the performance and fitness of marine organisms albeit the proteome underpinnings of species thermal tolerance are still largely unknown. In this 1-month experiment we assessed the vulnerability of the gilt-head sea bream Sparus aurata, taken here as a biological model for some key fisheries species, to ocean warming (control 18°C, nursery ground temperature 24°C and heat wave 30°C). Survival was impaired after 28 days, mainly at 30°C although fishes' condition was unaltered. Muscle proteome modulation was assessed at 14 and 21 days, showing that protein expression profiles were similar between fish exposed to 18 and 24°C, differing from fish exposed to 30°C. Fish subjected to 24°C showed an enhanced glycolytic potential and decreased glycogenolysis mainly at 14 days of exposure. Fish subjected to 30°C also showed enhanced glycolytic potential and up-regulated proteins related to gene expression, cellular stress response (CSR), and homeostasis (mostly cytoskeletal dynamics, acid-base balance, chaperoning). However, inflammatory processes were elicited at 21 days along with a down-regulation of the tricarboxylic acid cycle. Thus, juvenile fish seem able to acclimate to 24°C but possibly not to 30°C, which is the predicted temperature for estuaries during heat waves by the year 2100. This may be related with increasing constraints on organism physiology associated with metabolic scope available for performance and fitness at higher temperatures. Consequently, recruitment of commercial sea breams may be in jeopardy, highlighting the need for improved management plans for fish stocks.
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Affiliation(s)
- Diana Madeira
- UCIBIO-REQUIMTE, Department of Chemistry, Faculty of Science and Technology, Universidade Nova de Lisboa, Lisbon, Portugal
- Centre for Environmental and Marine Studies, University of Aveiro, Aveiro, Portugal
| | - José E. Araújo
- UCIBIO-REQUIMTE, Department of Chemistry, Faculty of Science and Technology, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Rui Vitorino
- Department of Medical Sciences, Institute of Biomedicine, University of Aveiro, Aveiro, Portugal
- Department of Physiology and Cardiothoracic Surgery, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Pedro M. Costa
- MARE - Marine and Environmental Sciences Centre, Faculty of Sciences and Technology, Universidade Nova de Lisboa, Lisbon, Portugal
| | - José L. Capelo
- UCIBIO-REQUIMTE, Department of Chemistry, Faculty of Science and Technology, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Catarina Vinagre
- MARE - Marine and Environmental Sciences Centre, Faculty of Sciences, University of Lisbon, Lisbon, Portugal
| | - Mário S. Diniz
- UCIBIO-REQUIMTE, Department of Chemistry, Faculty of Science and Technology, Universidade Nova de Lisboa, Lisbon, Portugal
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26
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Guzman C, Conaco C. Gene Expression Dynamics Accompanying the Sponge Thermal Stress Response. PLoS One 2016; 11:e0165368. [PMID: 27788197 PMCID: PMC5082814 DOI: 10.1371/journal.pone.0165368] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 10/11/2016] [Indexed: 12/13/2022] Open
Abstract
Marine sponges are important members of coral reef ecosystems. Thus, their responses to changes in ocean chemistry and environmental conditions, particularly to higher seawater temperatures, will have potential impacts on the future of these reefs. To better understand the sponge thermal stress response, we investigated gene expression dynamics in the shallow water sponge, Haliclona tubifera (order Haplosclerida, class Demospongiae), subjected to elevated temperature. Using high-throughput transcriptome sequencing, we show that these conditions result in the activation of various processes that interact to maintain cellular homeostasis. Short-term thermal stress resulted in the induction of heat shock proteins, antioxidants, and genes involved in signal transduction and innate immunity pathways. Prolonged exposure to thermal stress affected the expression of genes involved in cellular damage repair, apoptosis, signaling and transcription. Interestingly, exposure to sublethal temperatures may improve the ability of the sponge to mitigate cellular damage under more extreme stress conditions. These insights into the potential mechanisms of adaptation and resilience of sponges contribute to a better understanding of sponge conservation status and the prediction of ecosystem trajectories under future climate conditions.
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Affiliation(s)
- Christine Guzman
- Marine Science Institute, College of Science, University of the Philippines, Diliman, Quezon City, Philippines
| | - Cecilia Conaco
- Marine Science Institute, College of Science, University of the Philippines, Diliman, Quezon City, Philippines
- * E-mail:
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27
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Makrinos DL, Bowden TJ. Natural environmental impacts on teleost immune function. FISH & SHELLFISH IMMUNOLOGY 2016; 53:50-57. [PMID: 26973022 DOI: 10.1016/j.fsi.2016.03.008] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 03/07/2016] [Indexed: 06/05/2023]
Abstract
The environment in which teleosts exist can experience considerable change. Short-term changes can occur in relation to tidal movements or adverse weather events. Long-term changes can be caused by anthropogenic impacts such as climate change, which can result in changes to temperature, acidity, salinity and oxygen capacity of aquatic environments. These changes can have important impacts on the physiology of an animal, including its immune system. This can have consequences on the well-being of the animal and its ability to protect against pathogens. This review will look at recent investigations of these types of environmental change on the immune response in teleosts.
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Affiliation(s)
| | - Timothy J Bowden
- School of Food & Agriculture, University of Maine, Orono, ME, USA
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