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Egbujor MC, Olaniyan OT, Emeruwa CN, Saha S, Saso L, Tucci P. An insight into role of amino acids as antioxidants via NRF2 activation. Amino Acids 2024; 56:23. [PMID: 38506925 PMCID: PMC10954862 DOI: 10.1007/s00726-024-03384-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 01/31/2024] [Indexed: 03/22/2024]
Abstract
Oxidative stress can affect the protein, lipids, and DNA of the cells and thus, play a crucial role in several pathophysiological conditions. It has already been established that oxidative stress has a close association with inflammation via nuclear factor erythroid 2-related factor 2 (NRF2) signaling pathway. Amino acids are notably the building block of proteins and constitute the major class of nitrogen-containing natural products of medicinal importance. They exhibit a broad spectrum of biological activities, including the ability to activate NRF2, a transcription factor that regulates endogenous antioxidant responses. Moreover, amino acids may act as synergistic antioxidants as part of our dietary supplementations. This has aroused research interest in the NRF2-inducing activity of amino acids. Interestingly, amino acids' activation of NRF2-Kelch-like ECH-associated protein 1 (KEAP1) signaling pathway exerts therapeutic effects in several diseases. Therefore, the present review will discuss the relationship between different amino acids and activation of NRF2-KEAP1 signaling pathway pinning their anti-inflammatory and antioxidant properties. We also discussed amino acids formulations and their applications as therapeutics. This will broaden the prospect of the therapeutic applications of amino acids in a myriad of inflammation and oxidative stress-related diseases. This will provide an insight for designing and developing new chemical entities as NRF2 activators.
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Affiliation(s)
- Melford C Egbujor
- Department of Chemistry, Federal University Otuoke, Otuoke, Bayelsa, Nigeria
| | | | | | - Sarmistha Saha
- Department of Biotechnology, Institute of Applied Sciences and Humanities, GLA University, Mathura, 281406, India
| | - Luciano Saso
- Department of Physiology and Pharmacology, Vittorio Erspamer, Sapienza University of Rome, 00161, Rome, Italy.
| | - Paolo Tucci
- Department of Clinical and Experimental Medicine, University of Foggia, 71122, Foggia, Italy
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Hoffman SS, Liang D, Hood RB, Tan Y, Terrell ML, Marder ME, Barton H, Pearson MA, Walker DI, Barr DB, Jones DP, Marcus M. Assessing Metabolic Differences Associated with Exposure to Polybrominated Biphenyl and Polychlorinated Biphenyls in the Michigan PBB Registry. ENVIRONMENTAL HEALTH PERSPECTIVES 2023; 131:107005. [PMID: 37815925 PMCID: PMC10564108 DOI: 10.1289/ehp12657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 09/11/2023] [Accepted: 09/18/2023] [Indexed: 10/12/2023]
Abstract
BACKGROUND Polybrominated biphenyls (PBB) and polychlorinated biphenyls (PCB) are persistent organic pollutants with potential endocrine-disrupting effects linked to adverse health outcomes. OBJECTIVES In this study, we utilize high-resolution metabolomics (HRM) to identify internal exposure and biological responses underlying PCB and multigenerational PBB exposure for participants enrolled in the Michigan PBB Registry. METHODS HRM profiling was conducted on plasma samples collected from 2013 to 2014 from a subset of participants enrolled in the Michigan PBB Registry, including 369 directly exposed individuals (F0) who were alive when PBB mixtures were accidentally introduced into the food chain and 129 participants exposed to PBB in utero or through breastfeeding, if applicable (F1). Metabolome-wide association studies were performed for PBB-153 separately for each generation and Σ PCB (PCB-118, PCB-138, PCB-153, and PCB-180) in the two generations combined, as both had direct PCB exposure. Metabolite and metabolic pathway alterations were evaluated following a well-established untargeted HRM workflow. RESULTS Mean levels were 1.75 ng / mL [standard deviation (SD): 13.9] for PBB-153 and 1.04 ng / mL (SD: 0.788) for Σ PCB . Sixty-two and 26 metabolic features were significantly associated with PBB-153 in F0 and F1 [false discovery rate (FDR) p < 0.2 ], respectively. There were 2,861 features associated with Σ PCB (FDR p < 0.2 ). Metabolic pathway enrichment analysis using a bioinformatics tool revealed perturbations associated with Σ PCB in numerous oxidative stress and inflammation pathways (e.g., carnitine shuttle, glycosphingolipid, and vitamin B9 metabolism). Metabolic perturbations associated with PBB-153 in F0 were related to oxidative stress (e.g., pentose phosphate and vitamin C metabolism) and in F1 were related to energy production (e.g., pyrimidine, amino sugars, and lysine metabolism). Using authentic chemical standards, we confirmed the chemical identity of 29 metabolites associated with Σ PCB levels (level 1 evidence). CONCLUSIONS Our results demonstrate that serum PBB-153 is associated with alterations in inflammation and oxidative stress-related pathways, which differed when stratified by generation. We also found that Σ PCB was associated with the downregulation of important neurotransmitters, serotonin, and 4-aminobutanoate. These findings provide novel insights for future investigations of molecular mechanisms underlying PBB and PCB exposure on health. https://doi.org/10.1289/EHP12657.
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Affiliation(s)
- Susan S. Hoffman
- Department of Epidemiology, Emory University, Atlanta, Georgia, USA
| | - Donghai Liang
- Department of Epidemiology, Emory University, Atlanta, Georgia, USA
- Gangarosa Department of Environmental Health, Emory University, Atlanta, Georgia, USA
| | - Robert B. Hood
- Department of Epidemiology, Emory University, Atlanta, Georgia, USA
| | - Youran Tan
- Gangarosa Department of Environmental Health, Emory University, Atlanta, Georgia, USA
| | | | - M. Elizabeth Marder
- Department of Environmental Toxicology, University of California, Davis, Davis, California, USA
| | - Hillary Barton
- Department of Epidemiology, Emory University, Atlanta, Georgia, USA
| | - Melanie A. Pearson
- Gangarosa Department of Environmental Health, Emory University, Atlanta, Georgia, USA
| | - Douglas I. Walker
- Gangarosa Department of Environmental Health, Emory University, Atlanta, Georgia, USA
| | - Dana Boyd Barr
- Gangarosa Department of Environmental Health, Emory University, Atlanta, Georgia, USA
| | - Dean P. Jones
- School of Medicine, Emory University, Atlanta, Georgia, USA
| | - Michele Marcus
- Department of Epidemiology, Emory University, Atlanta, Georgia, USA
- Gangarosa Department of Environmental Health, Emory University, Atlanta, Georgia, USA
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Zhang QQ, Qu Y. Brain-derived neurotrophic factor in degenerative retinal diseases: Update and novel perspective. J Neurosci Res 2023; 101:1624-1632. [PMID: 37334646 DOI: 10.1002/jnr.25226] [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: 02/22/2023] [Revised: 05/16/2023] [Accepted: 05/31/2023] [Indexed: 06/20/2023]
Abstract
Dysfunction and death of neuronal cells are cardinal features of degenerative retinal diseases that are known to arise as the disease progresses. Increasingly evidence suggests that abnormal expression of brain-derived neurotrophic factor (BDNF) may serve as an obligatory relay of the dysfunction and death of neuronal cells in degenerative retinal diseases. Although disorder of BDNF, whether depletion or augmentation, has been connected with neuronal apoptosis and neuroinflammation, the exact mechanisms underlying the effect of impaired BDNF expression on degenerative retinal diseases remain unclear. Here, we present an overview of how BDNF is linked to pathological mechanism of retinal degenerative diseases, summarize BDNF-based treatment strategies, and discuss possible research perspectives in the future.
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Affiliation(s)
- Qing-Qing Zhang
- Department of Geriatrics, Qilu Hospital of Shandong University, Jinan, China
| | - Yi Qu
- Department of Geriatrics, Qilu Hospital of Shandong University, Jinan, China
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Jiang S, Zhang W, Qian X, Ji J, Ning X, Zhu F, Yin S, Zhang K. Effects of hypoxia and reoxygenation on apoptosis, oxidative stress, immune response and gut microbiota of Chinese mitten crab, Eriocheir sinensis. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 260:106556. [PMID: 37182272 DOI: 10.1016/j.aquatox.2023.106556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/05/2023] [Accepted: 05/07/2023] [Indexed: 05/16/2023]
Abstract
Hypoxia causes irreversible damage to aquatic animals. However, few reports have explored the effect of hypoxia stress and reoxygenation on intestinal homeostatic imbalance and consequent hepatopancreas-intestine axis health in crustacean. Herein, 180 Chinese mitten crabs (Eriocheir sinensis) were equally divided into control (DO 7.0 ± 0.2 mg/L) and treatment groups. The treatment group was exposed with continuous hypoxic stress (DO 3.0 ± 0.1 mg/L) for 96 h and then reoxygenated (DO 6.9 ± 0.1 mg/L) for 96 h. The effects on intestines and hepatopancreas of Chinese mitten crab were investigated, and the role of gut microbiota in hypoxia induced damages was explored. Hypoxia impaired intestinal tissue structure, and decreased swelling and the number of goblet cells, which are features that did not significantly improve after reoxygenation. With prolonged hypoxic stress, the activities of antioxidant enzymes (LDH, SOD and CAT) and MDA content in intestine were significantly elevated. Moreover, the level of oxidative stress increased, which led to upregulated apoptosis rate and expression of apoptosis-related genes (Caspase 3, Caspase 8 and BAX). In addition, the expression of immune related genes (MyD88, ALF1, Relish and Crustin) in hepatopancreas and intestine was both significantly induced under hypoxia, which activated the immune defense mechanism of Chinese mitten crab to adapt to the hypoxic environment. Furthermore, diversity and relative abundance of gut microbiota decreased noticeably during hypoxic stress; the number of beneficial bacteria downregulated. Finally, KEGG pathway analysis revealed that nine pathways were significantly enriched in intestinal microorganisms, including autoimmune disease and environmental adaptation. Collectively, these results suggested that hypoxia negatively affected E. sinensis health by triggering oxidative stress, altering the composition of the gut microbiota and inhibiting the immune response.
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Affiliation(s)
- Su Jiang
- College of Marine Science and Engineering, Nanjing Normal University, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing 210023, China
| | - Weijian Zhang
- College of Marine Science and Engineering, Nanjing Normal University, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing 210023, China
| | - Xiaobin Qian
- College of Marine Science and Engineering, Nanjing Normal University, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing 210023, China
| | - Jie Ji
- College of Marine Science and Engineering, Nanjing Normal University, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing 210023, China; Co-Innovation Center for Marine Bio-Industry Technology, Lian Yungang 222005, China
| | - Xianhui Ning
- College of Marine Science and Engineering, Nanjing Normal University, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing 210023, China; Co-Innovation Center for Marine Bio-Industry Technology, Lian Yungang 222005, China
| | - Fei Zhu
- Marine Fisheries Research Institute of Jiangsu Province, Nantong 226007, China
| | - Shaowu Yin
- College of Marine Science and Engineering, Nanjing Normal University, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing 210023, China; Co-Innovation Center for Marine Bio-Industry Technology, Lian Yungang 222005, China.
| | - Kai Zhang
- College of Marine Science and Engineering, Nanjing Normal University, Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, Nanjing 210023, China; Co-Innovation Center for Marine Bio-Industry Technology, Lian Yungang 222005, China.
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Zhang HX, Li YY, Liu ZJ, Wang JF. Quercetin effectively improves LPS-induced intestinal inflammation, pyroptosis, and disruption of the barrier function through the TLR4/NF-κB/NLRP3 signaling pathway in vivo and in vitro. Food Nutr Res 2022; 66:8948. [PMID: 36793340 PMCID: PMC9899048 DOI: 10.29219/fnr.v66.8948] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 12/31/2022] Open
Abstract
Background Inflammatory bowel diseases are characterized by the alterations of the mucosa and gastrointestinal physiology, and the core of these alterations is endothelial cells. Quercetin is a flavonoid presents in some traditional Chinese medicine, plants, and fruits. Its protective effects in several gastrointestinal tumors have been demonstrated, but its effects on bacterial enteritis and pyroptosis-related diseases have rarely been studied. Objective This study aimed to evaluate the effect of quercetin on bacterial enteritis and pyroptosis. Design In vitro experiments were performed using rat intestinal microvascular endothelial cells divided into seven groups: control group (no treatment), model group (10 μg/mL lipopolysaccharide (LPS)+1 mM adenosine triphosphate [ATP]), LPS group (10 μg/mL LPS), ATP group (1 mM ATP), and treatment groups (10 μg/mL LPS+1 mM ATP and 5, 10, and 20 μM quercetin). The expression of pyroptosis-associated proteins, inflammatory factors, tight junction proteins, and the percentage of late apoptotic and necrotic cells were measured. In vivo analysis was performed using specific pathogen-free Kunming mice pretreated with quercetin and the water extract of Cacumen Platycladi for 2 weeks followed by 6 mg/kg LPS on day 15. Inflammation in the blood and intestinal pathological changes were evaluated. Results Quercetin used in vitro significantly reduced the expression of Toll-like receptor 4 (TLR4), NOD-like receptor 3 (NLRP3), caspase-1, gasdermin D, interleukin (IL)-1β, IL-18, IL-6, and tumor necrosis factor-α. It also inhibited phosphorylation of nuclear factor-kappa B (NF-κB) p65 and increased cell migration and the expression of zonula occludens 1 and claudins, while reduced the number of late apoptotic cells. The in vivo results showed that Cacumen Platycladi and quercetin significantly reduced inflammation, protected the structure of the colon and cecum, and prevent fecal occult blood induced by LPS. Conclusions These findings suggested the ability of quercetin to reduce inflammation induced by LPS and pyroptosis through TLR4/NF-κB/NLRP3 pathway.
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Affiliation(s)
| | | | - Zhong-Jie Liu
- Zhong-Jie Liu, Department of Veterinary Clinic Medicine, College of Veterinary Medicine, China Agricultural University, Beijing 100193, P. R. China.
| | - Jiu-Feng Wang
- Jiu-Feng Wang, Department of Veterinary Clinic Medicine College of Veterinary Medicine, China Agricultural University, Beijing 100193, P. R. China.
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Aragona M, Porcino C, Guerrera MC, Montalbano G, Laurà R, Cometa M, Levanti M, Abbate F, Cobo T, Capitelli G, Vega JA, Germanà A. The BDNF/TrkB Neurotrophin System in the Sensory Organs of Zebrafish. Int J Mol Sci 2022; 23:ijms23052621. [PMID: 35269763 PMCID: PMC8910639 DOI: 10.3390/ijms23052621] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/21/2022] [Accepted: 02/25/2022] [Indexed: 12/15/2022] Open
Abstract
The brain-derived neurotrophic factor (BDNF) was discovered in the last century, and identified as a member of the neurotrophin family. BDNF shares approximately 50% of its amino acid with other neurotrophins such as NGF, NT-3 and NT-4/5, and its linear amino acid sequences in zebrafish (Danio rerio) and human are 91% identical. BDNF functions can be mediated by two categories of receptors: p75NTR and Trk. Intriguingly, BDNF receptors were highly conserved in the process of evolution, as were the other NTs’ receptors. In this review, we update current knowledge about the distribution and functions of the BDNF-TrkB system in the sensory organs of zebrafish. In fish, particularly in zebrafish, the distribution and functions of BDNF and TrkB in the brain have been widely studied. Both components of the system, associated or segregated, are also present outside the central nervous system, especially in sensory organs including the inner ear, lateral line system, retina, taste buds and olfactory epithelium.
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Affiliation(s)
- Marialuisa Aragona
- Zebrafish Neuromorphology Lab, Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (M.A.); (C.P.); (M.C.G.); (G.M.); (R.L.); (M.C.); (M.L.); (F.A.)
| | - Caterina Porcino
- Zebrafish Neuromorphology Lab, Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (M.A.); (C.P.); (M.C.G.); (G.M.); (R.L.); (M.C.); (M.L.); (F.A.)
| | - Maria Cristina Guerrera
- Zebrafish Neuromorphology Lab, Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (M.A.); (C.P.); (M.C.G.); (G.M.); (R.L.); (M.C.); (M.L.); (F.A.)
| | - Giuseppe Montalbano
- Zebrafish Neuromorphology Lab, Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (M.A.); (C.P.); (M.C.G.); (G.M.); (R.L.); (M.C.); (M.L.); (F.A.)
| | - Rosaria Laurà
- Zebrafish Neuromorphology Lab, Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (M.A.); (C.P.); (M.C.G.); (G.M.); (R.L.); (M.C.); (M.L.); (F.A.)
| | - Marzio Cometa
- Zebrafish Neuromorphology Lab, Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (M.A.); (C.P.); (M.C.G.); (G.M.); (R.L.); (M.C.); (M.L.); (F.A.)
| | - Maria Levanti
- Zebrafish Neuromorphology Lab, Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (M.A.); (C.P.); (M.C.G.); (G.M.); (R.L.); (M.C.); (M.L.); (F.A.)
| | - Francesco Abbate
- Zebrafish Neuromorphology Lab, Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (M.A.); (C.P.); (M.C.G.); (G.M.); (R.L.); (M.C.); (M.L.); (F.A.)
| | - Teresa Cobo
- Departamento de Cirugía y Especialidades Médico-Quirúrgicas, Universidad de Oviedo, 33006 Oviedo, Spain;
| | - Gabriel Capitelli
- Faculty of Medical Sciences, University of Buenos Aires, Viamonte 1053, CABA, Buenos Aires 1056, Argentina;
| | - José A. Vega
- Grupo SINPOS, Universidad de Oviedo, 33003 Oviedo, Spain;
- Departamento de Morfología y Biología Celular, Universidad de Oviedo, 33006 Oviedo, Spain
- Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago 7500912, Chile
| | - Antonino Germanà
- Zebrafish Neuromorphology Lab, Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy; (M.A.); (C.P.); (M.C.G.); (G.M.); (R.L.); (M.C.); (M.L.); (F.A.)
- Correspondence:
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Fuchylo U, Alharbi HA, Alcaraz AJ, Jones PD, Giesy JP, Hecker M, Brinkmann M. Inflammation of Gill Epithelia in Fish Causes Increased Permeation of Petrogenic Polar Organic Chemicals via Disruption of Tight Junctions. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:1820-1829. [PMID: 35015514 DOI: 10.1021/acs.est.1c05839] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The epithelial cell layer that lines the gills of fish controls paracellular permeation of chemicals through tight junctions. The integrity of tight junctions can be affected by inflammation, which likely affects the bioavailability of chemicals. Here, the inflammation of the rainbow trout gill cell line RTgill-W1 was induced via exposure to bacterial lipopolysaccharides (LPS). Cells were then coexposed to extracts of oil sands process-affected water (OSPW), which contain complex mixtures of chemicals. After 24 h of exposure, cells exposed to LPS showed a reduction in transepithelial electrical resistance, an indicator of tight junction integrity. Quantitative reverse-transcription polymerase chain reaction (RT-PCR) analysis determined that abundances of transcripts of genes coding for tight junction proteins were significantly less in cells exposed to 20, 50, or 100 mg L-1 LPS. Chemical analysis revealed increased permeation of constituents of OSPW across epithelia at all studied LPS concentrations. These in vitro findings were confirmed in vivo in rainbow trout exposed to LPS and OSPW for 48 h, which resulted in greater accumulation of chemicals relative to that for fish exposed to OSPW alone. Our results demonstrated that inflammation and disruption of tight junctions could lead to greater uptake of potentially harmful chemicals from the environment, which has implications for mixture risk assessment.
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Affiliation(s)
- Ulyana Fuchylo
- Toxicology Centre, University of Saskatchewan, Saskatoon S7N 5B3, Canada
| | - Hattan A Alharbi
- Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, P. O. Box 2460, Riyadh 11451, Saudi Arabia
| | | | - Paul D Jones
- Toxicology Centre, University of Saskatchewan, Saskatoon S7N 5B3, Canada
- School of Environment and Sustainability (SENS), University of Saskatchewan, Saskatoon S7N 5CN, Canada
| | - John P Giesy
- Toxicology Centre, University of Saskatchewan, Saskatoon S7N 5B3, Canada
- Department of Veterinary Biomedical Sciences, Western College of Veterinary Medicine University of Saskatchewan, Saskatoon S7N 5B4, Canada
- Global Institute for Water Security (GIWS), University of Saskatchewan, Saskatoon S7N 3H5, Canada
- Department of Environmental Sciences, Baylor University, Waco, Texas 76706, United States
| | - Markus Hecker
- Toxicology Centre, University of Saskatchewan, Saskatoon S7N 5B3, Canada
- School of Environment and Sustainability (SENS), University of Saskatchewan, Saskatoon S7N 5CN, Canada
| | - Markus Brinkmann
- Toxicology Centre, University of Saskatchewan, Saskatoon S7N 5B3, Canada
- School of Environment and Sustainability (SENS), University of Saskatchewan, Saskatoon S7N 5CN, Canada
- Global Institute for Water Security (GIWS), University of Saskatchewan, Saskatoon S7N 3H5, Canada
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Jiao C, Zou J, Chen Z, Zheng F, Xu Z, Lin YH, Wang Q. Dietary Glutamine Inclusion Regulates Immune and Antioxidant System, as Well as Programmed Cell Death in Fish to Protect against Flavobacterium columnare Infection. Antioxidants (Basel) 2021; 11:44. [PMID: 35052548 PMCID: PMC8773122 DOI: 10.3390/antiox11010044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 01/07/2023] Open
Abstract
The susceptibility of animals to pathogenic infection is significantly affected by nutritional status. The present study took yellow catfish (Pelteobagrus fulvidraco) as a model to test the hypothesis that the protective roles of glutamine during bacterial infection are largely related to its regulation on the immune and antioxidant system, apoptosis and autophagy. Dietary glutamine supplementation significantly improved fish growth performance and feed utilization. After a challenge with Flavobacterium columnare, glutamine supplementation promoted il-8 and il-1β expression via NF-κB signaling in the head kidney and spleen, but inhibited the over-inflammation in the gut and gills. Additionally, dietary glutamine inclusion also enhanced the systematic antioxidant capacity. Histological analysis showed the protective role of glutamine in gill structures. Further study indicated that glutamine alleviated apoptosis during bacterial infection, along with the reduced protein levels of caspase-3 and the reduced expression of apoptosis-related genes. Moreover, glutamine also showed an inhibitory role in autophagy which was due to the increased activation of the mTOR signaling pathway. Thus, our study for the first time illustrated the regulatory roles of glutamine in the fish immune and antioxidant system, and reported its inhibitory effects on fish apoptosis and autophagy during bacterial infection.
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Affiliation(s)
- Congrui Jiao
- College of Fisheries, Huazhong Agricultural University, 1 Shizishan Street, Wuhan 430070, China; (C.J.); (J.Z.); (Z.C.); (F.Z.); (Z.X.)
| | - Jiahong Zou
- College of Fisheries, Huazhong Agricultural University, 1 Shizishan Street, Wuhan 430070, China; (C.J.); (J.Z.); (Z.C.); (F.Z.); (Z.X.)
| | - Zhenwei Chen
- College of Fisheries, Huazhong Agricultural University, 1 Shizishan Street, Wuhan 430070, China; (C.J.); (J.Z.); (Z.C.); (F.Z.); (Z.X.)
| | - Feifei Zheng
- College of Fisheries, Huazhong Agricultural University, 1 Shizishan Street, Wuhan 430070, China; (C.J.); (J.Z.); (Z.C.); (F.Z.); (Z.X.)
| | - Zhen Xu
- College of Fisheries, Huazhong Agricultural University, 1 Shizishan Street, Wuhan 430070, China; (C.J.); (J.Z.); (Z.C.); (F.Z.); (Z.X.)
| | - Yu-Hung Lin
- Department of Aquaculture, National Pingtung University of Science and Technology, 1 Shuefu Road, Neipu, Pingtung 912, Taiwan
| | - Qingchao Wang
- College of Fisheries, Huazhong Agricultural University, 1 Shizishan Street, Wuhan 430070, China; (C.J.); (J.Z.); (Z.C.); (F.Z.); (Z.X.)
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Dietary valine improved growth, immunity, enzymatic activities and expression of TOR signaling cascade genes in rainbow trout, Oncorhynchus mykiss fingerlings. Sci Rep 2021; 11:22089. [PMID: 34764336 PMCID: PMC8585866 DOI: 10.1038/s41598-021-01142-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/28/2021] [Indexed: 11/17/2022] Open
Abstract
This study was conducted to determine the effects of dietary valine (Val) on growth, hemato-biochemical parameters, immunity, enzymatic activities, antioxidant status and expression of target of rapamycin (TOR) and 4E-BP genes in rainbow trout, Oncorhynchus mykiss (1.57 ± 0.03 g; 5.10 ± 0.34 cm). Six isonitrogenous (450 g kg−1) and isoenergetic (20.90 kJ 100 g−1, gross energy) diets were designed to represent varied Val levels (10.5, 13.0, 15.5, 18.0, 20.5 and 23.0 g kg−1 dry diet basis). Growth parameters improved significantly (P < 0.05) with the amelioration of dietary Val level up to 18.0 g kg−1. Highest (P < 0.05) body protein content was noted at 18.0 g kg−1 dietary Val. Significant differences in hematological, intestinal enzymatic activities and antioxidant parameters were noted. However, plasma variables did not show any significant differences except aspartate transaminase and uric acid. Total protein content increased significantly, while the albumin and globulin content did not show any significant (P > 0.05) difference. Moreover expression of TOR mRNA and elF4E-binding protein (4E-BP) was observed higher (P < 0.05) at 18.0 g kg−1 Val. On the basis of results, optimum dietary Val requirement for maximal growth of rainbow trout was determined to be 18.19 g kg−1 of dry diet, corresponding to 40.42 g kg−1 of dietary protein.
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Wan FC, Zhang C, Jin Q, Wei C, Zhao HB, Zhang XL, You W, Liu XM, Liu GF, Liu YF, Tan XW. Protective effects of astaxanthin on lipopolysaccharide-induced inflammation in bovine endometrial epithelial cells†. Biol Reprod 2021; 102:339-347. [PMID: 31566218 DOI: 10.1093/biolre/ioz187] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 08/21/2019] [Accepted: 09/12/2019] [Indexed: 01/20/2023] Open
Abstract
Astaxanthin (AST), a natural antioxidant carotenoid, has been shown to exert anti-inflammatory effects. However, to our knowledge, no study has specifically addressed the potential protective effects of AST against bovine endometritis. The purpose of this study was to examine whether treatment with AST could protect endometrial epithelial cells against lipopolysaccharide (LPS)-induced inflammatory injury. Treatment of bovine endometrial (BEND) epithelial cell line with AST reduced LPS-induced production of interleukin-6 and tumor necrosis factor-alpha, increased the cellular activity of superoxide dismutase and catalase, decreased the proportion of apoptotic cells, and promoted the production of insulin-like growth factor and epithelial growth factor. The effects of AST were mediated through the downregulation of B-cell lymphoma 2 (Bcl-2) associated X, apoptosis regulator (Bax), and cleaved caspase-3 and through the upregulation of Bcl-2. Moreover, AST significantly increased the expression of the tight junction proteins (TJP) claudin, cadherin-1, and TJP1, which play an essential role in the maintenance of host endometrial defense barrier against pathogen infection. Collectively, these results demonstrated that treatment with AST protected against oxidative stress, prevented cell apoptosis, promoted BEND cells viability, and increased the production of growth factors, in addition to activating the endometrial defense barrier. Therefore, AST is a promising therapeutic agent for the prevention and treatment of endometritis. This finding is of utmost importance in the present times when the excessive use of antibiotics has resulted in the development of antibiotic-resistant bacteria.
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Affiliation(s)
- Fa-Chun Wan
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Ji'nan City, China.,Shandong Key Lab of Animal Disease Control and Breeding, Ji'nan City, China.,Shandong Provincial Testing Center of Beef Cattle Performance, Ji'nan City, China.,College of Life Sciences, Shandong Normal University, Ji'nan City, China
| | - Chen Zhang
- College of Life Sciences, Shandong Normal University, Ji'nan City, China
| | - Qing Jin
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Ji'nan City, China.,Shandong Key Lab of Animal Disease Control and Breeding, Ji'nan City, China.,Shandong Provincial Testing Center of Beef Cattle Performance, Ji'nan City, China
| | - Chen Wei
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Ji'nan City, China.,Shandong Key Lab of Animal Disease Control and Breeding, Ji'nan City, China.,Shandong Provincial Testing Center of Beef Cattle Performance, Ji'nan City, China
| | - Hong-Bo Zhao
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Ji'nan City, China.,Shandong Key Lab of Animal Disease Control and Breeding, Ji'nan City, China.,Shandong Provincial Testing Center of Beef Cattle Performance, Ji'nan City, China
| | - Xiang-Lun Zhang
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Ji'nan City, China.,Shandong Key Lab of Animal Disease Control and Breeding, Ji'nan City, China.,Shandong Provincial Testing Center of Beef Cattle Performance, Ji'nan City, China
| | - Wei You
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Ji'nan City, China.,Shandong Key Lab of Animal Disease Control and Breeding, Ji'nan City, China.,Shandong Provincial Testing Center of Beef Cattle Performance, Ji'nan City, China
| | - Xiao-Mu Liu
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Ji'nan City, China.,Shandong Key Lab of Animal Disease Control and Breeding, Ji'nan City, China.,Shandong Provincial Testing Center of Beef Cattle Performance, Ji'nan City, China
| | - Gui-Fen Liu
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Ji'nan City, China.,Shandong Key Lab of Animal Disease Control and Breeding, Ji'nan City, China.,Shandong Provincial Testing Center of Beef Cattle Performance, Ji'nan City, China
| | - Yi-Fan Liu
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Ji'nan City, China.,Shandong Key Lab of Animal Disease Control and Breeding, Ji'nan City, China.,Shandong Provincial Testing Center of Beef Cattle Performance, Ji'nan City, China
| | - Xiu-Wen Tan
- Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Ji'nan City, China.,Shandong Key Lab of Animal Disease Control and Breeding, Ji'nan City, China.,Shandong Provincial Testing Center of Beef Cattle Performance, Ji'nan City, China
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11
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Zhao Y, Yan MY, Jiang Q, Yin L, Zhou XQ, Feng L, Liu Y, Jiang WD, Wu P, Zhao J, Jiang J. Isoleucine improved growth performance, and intestinal immunological and physical barrier function of hybrid catfish Pelteobagrus vachelli × Leiocassis longirostris. FISH & SHELLFISH IMMUNOLOGY 2021; 109:20-33. [PMID: 32991991 DOI: 10.1016/j.fsi.2020.09.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/15/2020] [Accepted: 09/26/2020] [Indexed: 06/11/2023]
Abstract
This study was performed to determine effects of dietary isoleucine (Ile) on growth performance, and intestinal immunological and physical barrier function of hybrid catfish Pelteobagrus vachelli × Leiocassis longirostris. Six hundred and thirty fish (33.11 ± 0.09 g) were randomly divided into seven experimental groups with three replicates each, and respectively fed seven diets with 5.0, 7.5, 10.0, 12.5, 15.0, 17.5, and 20.0 g Ile kg-1 diets for 8 weeks. The results showed improvement of growth performance, feed intake, feed utilization, relative gut length (RGL), and intestinal fold height and width by dietary Ile (P < 0.05). Meanwhile, dietary Ile (12.5 g kg-1 diet) improved the activities of lysozyme (LZM), acid phosphatase, alkaline phosphatase and the contents of complement 3 (C3), C4, and immunoglobulin M (IgM) (P < 0.05). The c-type-lectin, c-LZM, g-LZM, and hepcidin mRNA expressions in the intestine were up-regulated in fish fed diets with 10.0-20.0 g Ile kg-1 diet (P < 0.05). Dietary Ile (10.0-12.5 g Ile kg-1 diet) increased intestinal β-defensin mRNA expression partially in association with Sirt1/ERK/90RSK signaling pathway. Dietary Ile (12.5-15.0 g Ile kg-1 diet) decreased oxidative damage and improved antioxidant ability by increasing activities and expressions of superoxide dismutase, glutathione peroxidase, and glutathione reductase, glutathione-S-transferase (P < 0.05). The occludin, ZO-1, ZO-2, claudin3, and claudin 7 mRNA expressions in the intestine were up-regulated in fish fed diets with 10.0 and 12.5 g Ile kg-1 diet (P < 0.05), whereas the myosin light chain kinase gene expression was decreased in fish fed diets with 7.5-17.5 g Ile kg-1 diet. Dietary Ile (10-12.5 g Ile kg-1 diet) decreased apoptotic responses by reducing the expression of caspase3 and caspase 9 via the AKT/TOR signaling pathway. Based on the quadratic regression analysis of PWG, the dietary Ile requirement of hybrid catfish was estimated to be 12.43 g Ile kg-1 diet, corresponding to 32.05 g Ile kg-1 dietary protein. Collectively, dietary Ile improved growth performance and immunological and physical barrier function of intestine in hybrid catfish.
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Affiliation(s)
- Ye Zhao
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Ming-Yao Yan
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Qin Jiang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Long Yin
- College of Animal Science and Technology, 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, 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.
| | - Jun Jiang
- 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.
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12
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Zhou C, Lin H, Huang Z, Wang J, Wang Y, Yu W. Effects of dietary leucine levels on intestinal antioxidant status and immune response for juvenile golden pompano (Trachinotus ovatus) involved in Nrf2 and NF-κB signaling pathway. FISH & SHELLFISH IMMUNOLOGY 2020; 107:336-345. [PMID: 33080319 DOI: 10.1016/j.fsi.2020.10.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 08/13/2020] [Accepted: 10/08/2020] [Indexed: 06/11/2023]
Abstract
The aim of the study was to evaluate the effects of dietary leucine level on growth performance, intestinal antioxidant status and immune response involved in Nrf2 and NF-κB signaling pathway in juvenile golden pompano (Trachinotus ovatus). A total of 450 juvenile golden pompano (9.15 ± 0.04 g) were fed three isonitrogenous diets with graded leucine levels [1.25% (control), 2.77% and 5.84%] for 8 weeks. The results showed that, compared with the control group, the WG was significantly improved in fish fed with 2.77% of dietary leucine (P < 0.05), and the 5.84% dietary leucine group had a tendency to increase. Compared to control group, 5.84% dietary leucine group significantly decreased the moisture and ash contents of whole body (P < 0.05), meanwhile, 2.77% dietary leucine group significantly decreased moisture content of whole body, but significantly improved the whole body crude lipid content (P < 0.05). Compared with the control group, the ALP level was significantly improved in fish fed with 2.77% of dietary leucine (P < 0.05). Inversely, the AST and ALT activities were significantly decreased in fish fed with 2.77% dietary leucine level (P < 0.05). Compared with the control group, GPx, T-AOC, SOD activities in group of 2.77% dietary arginine level were significantly increased (P < 0.05). However, MDA level showed a reverse trend, which was significantly decreased in fish fed with 2.77% dietary leucine level (P < 0.05). 2.77% dietary leucine levels significantly increased the relative expressions of Nrf2, HO-1, Cu/Zn-SOD, Mn-SOD and CAT (P < 0.05). In contrast, the relative expression of Keap1 showed a converse trend. Compared with the control group, the relative expressions of NF-κB, TNF-α and IL1-β were significantly lowered in fish fed with 2.77% of dietary leucine (P < 0.05). Additionally, 2.77% dietary leucine level significantly improved the relative expressions of TGF-β and IL-10 (P < 0.05). The 2.77% dietary leucine level significantly increased the muscular thickness compared with 5.84% dietary leucine level (P < 0.05). Furthermore, compared with the control group, the villus height and goblet cell counts were significantly improved in fish fed with 2.77% of dietary leucine (P < 0.05). These results indicated that the optimum dietary leucine plays an important role in promoting growth, enhancing antioxidant and immunity to maintain the intestinal health status of juvenile golden pompano.
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Affiliation(s)
- Chuanpeng Zhou
- Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510300, China.
| | - Heizhao Lin
- Shenzhen Base of South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shenzhen, 518121, PR China.
| | - Zhong Huang
- Shenzhen Base of South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shenzhen, 518121, PR China
| | - Jun Wang
- Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510300, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang, 524025, China
| | - Yun Wang
- Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510300, China
| | - Wei Yu
- Shenzhen Base of South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shenzhen, 518121, PR China
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13
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Yin L, Zhao Y, Zhou XQ, Yang C, Feng L, Liu Y, Jiang WD, Wu P, Zhou J, Zhao J, Jiang J. Effect of dietary isoleucine on skin mucus barrier and epithelial physical barrier functions of hybrid bagrid catfish Pelteobagrus vachelli × Leiocassis longirostris. FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:1759-1774. [PMID: 32654084 DOI: 10.1007/s10695-020-00826-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 05/21/2020] [Indexed: 06/11/2023]
Abstract
The study investigated the effects of dietary isoleucine (Ile) on skin mucus barrier and epithelial physical barrier functions of hybrid bagrid catfish Pelteobagrus vachelli × Leiocassis longirostris. A total of 630 fish (33.11 ± 0.09 g) were fed semi-purified isonitrogenous diets containing 5.0 (control), 7.5, 10.0, 12.5, 15.0, 17.5, and 20.0 g Ile kg -1 diet for 8 weeks. The results indicated that dietary Ile increased (P < 0.05) in skin (1) mucus protein content and antimicrobial activity against three gram-negative bacteria (Aeromonas hydrophila, Escherichia coli, and Yersinia ruckeri) and two gram-positive bacteria (Streptococcus agalactiae and Staphylococcus aureus), (2) mucus lysofew information is available about the influencezyme (LZM), acid phosphatase (ACP), and alkaline phosphatase (AKP) activities, and complement 3 and 4 (C3 and C4) and immunoglobulin M (IgM) contents, (3) intelectin 1 (intl1), intelectin 2 (intl2), c-type-lysozyme (c-LZM), g-type-lysozyme (g-LZM), and β-defensin mRNA levels. Dietary Ile decreased (P < 0.05) reactive oxygen species (ROS), malondialdehyde (MDA), and protein carbonyl (PC) contents, and up-regulated (P < 0.05) CuZnSOD, GST, GPX1a, muc5ac, muc5b, zonula occludens-1 (ZO-1), zonula occludens-2 (ZO-2), occludin, and claudin 3 mRNA levels in skin. These results indicated that Ile improved skin mucus barrier function via increasing mucus protein, C3 and C4, and IgM contents and antibacterial factors activities, and promoted epithelial physical barrier function via decreasing skin antioxidant damage and improving tight junction structure in hybrid bagrid catfish.
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Affiliation(s)
- Long Yin
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Ye Zhao
- College of Animal Science and Technology, 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, Ya'an, 625014, China
| | - Chao Yang
- 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
| | - Jian Zhou
- Fisheries Institute of Sichuan Academy of Agricultural Science, Chengdu, 611731, 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.
| | - 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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14
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Zheng X, Feng L, Jiang WD, Wu P, Liu Y, Kuang SY, Tang L, Zhou XQ. The regulatory effects of pyridoxine deficiency on the grass carp (Ctenopharyngodon idella) gill barriers immunity, apoptosis, antioxidant, and tight junction challenged with Flavobacterium columnar. FISH & SHELLFISH IMMUNOLOGY 2020; 105:209-223. [PMID: 32707298 DOI: 10.1016/j.fsi.2020.07.036] [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: 05/22/2020] [Revised: 07/16/2020] [Accepted: 07/17/2020] [Indexed: 06/11/2023]
Abstract
The effects of dietary pyridoxine (PN) on the gill immunity, apoptosis, antioxidant and tight junction of grass cap (Ctenopharyngodon idella) were investigated in this study. Fish were fed semi-purified diets containing graded levels of PN for 10 weeks, and then challenged with Flavobacterium columnare by bath immersion exposure for 3 days. The results indicated that compared with the optimal PN level, PN deficiency resulted in a decline in the antimicrobial compound production of gill. In addition, PN deficiency up-regulated the pro-inflammatory cytokines and down-regulated the anti-inflammatory cytokines gene expression, which might be associated with the enhanced nuclear factor κB p65 and the inhibited target of rapamycin signalling pathways, respectively, suggesting that PN deficiency could impair gill immune barrier function. Furthermore, PN deficiency (1) induced cell apoptosis, which may be partly associated with the (apoptotic protease activating factor-1, Bcl-2 associated X protein)/caspase-9 and c-Rel/tumor necrosis factor α (rather than FasL)/caspase-8 mediated apoptosis pathway. (2) Inhibited Kelch-like ECH-associating protein 1a/NF-E2-related factor 2 mRNA expression, decreased the mRNA expression and activities of antioxidant enzymes, increased the levels of reactive oxygen species, protein carbonyl and malondialdehyde. (3) Increased the mRNA expression level of myosin light chain kinase, which may be result in the down-regulation of tight junction complexes such as zonula occludens 1, occludin and claudins (expect claudin-12 and claudin-15). These results suggest that PN deficiency could impair gill physical barrier function. In summary, dietary PN deficiency could cause the impairment of gill barrier function associated with immunity, apoptosis, antioxidant and tight junction, which may result in the increased the susceptibility of fish to pathogenic bacteria. Moreover, based on the gill rot morbidity, LZ activity and MDA content, the dietary PN requirements for grass cap were estimated to be 4.85, 4.78 and 4.77 mg kg-1 diet, respectively.
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Affiliation(s)
- Xin Zheng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China; Key Laboratory of Animal Disease-resistant Nutrition, Ministry of Education Agricultural University, Chengdu, 611130, Sichuan, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China; Key Laboratory of Animal Disease-resistant Nutrition, Ministry of Education Agricultural University, Chengdu, 611130, Sichuan, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China; Key Laboratory of Animal Disease-resistant Nutrition and Feed, Ministry of Agriculture and Rural Affairs, 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, 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan, China.
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15
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Ren W, Bin P, Yin Y, Wu G. Impacts of Amino Acids on the Intestinal Defensive System. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1265:133-151. [PMID: 32761574 DOI: 10.1007/978-3-030-45328-2_8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The intestine interacts with a diverse community of antigens and bacteria. To keep its homeostasis, the gut has evolved with a complex defense system, including intestinal microbiota, epithelial layer and lamina propria. Various factors (e.g., nutrients) affect the intestinal defensive system and progression of intestinal diseases. This review highlights the current understanding about the role of amino acids (AAs) in protecting the intestine from harm. Amino acids (e.g., arginine, glutamine and tryptophan) are essential for the function of intestinal microbiota, epithelial cells, tight junction, goblet cells, Paneth cells and immune cells (e.g., macrophages, B cells and T cells). Through the modulation of the intestinal defensive system, AAs maintain the integrity and function of the intestinal mucosa and inhibit the progression of various intestinal diseases (e.g., intestinal infection and intestinal colitis). Thus, adequate intake of functional AAs is crucial for intestinal and whole-body health in humans and other animals.
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Affiliation(s)
- Wenkai Ren
- Guangdong Provincial Key Laboratory of Animal Nutrition Control, Institute of Subtropical Animal Nutrition and Feed, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Peng Bin
- Jiangsu Co-Innovation Center for Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product, Safety of Ministry of Education of China, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Yulong Yin
- Laboratory of Animal Nutrition and Health and Key Laboratory of Agro-Ecology, Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha, China
| | - Guoyao Wu
- Department of Animal Science, Texas A&M University, College Station, TX, USA.
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16
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Hou R, Xu T, Li Q, Yang F, Wang C, Huang T, Hao Z. Polysaccharide from Echinacea purpurea reduce the oxidant stress in vitro and in vivo. Int J Biol Macromol 2020; 149:41-50. [PMID: 31953178 DOI: 10.1016/j.ijbiomac.2020.01.129] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 01/06/2020] [Accepted: 01/13/2020] [Indexed: 12/23/2022]
Abstract
Echinacea purpurea polysaccharides (EPPS) were extracted through water extract and alcohol precipitate method. Three polysaccharides were purified by DEAE cellulose, named EPPS-1, EPPS-2 and EPPS-3. The antioxidant activities in three polysaccharides were screened by free radical scavenging test and EPPS-3 possessed the best antioxidant function. Then the antioxidant activities of EPPS-3 were further explored in oxidative damage model in vitro and in vivo for the first time. The results showed that the antioxidases and the metabolism content were significantly improved in EPPS-3 group. EPPS-3 could protect hepatic tissue from the injury of CCl4 compared with the oxidative damage model. The mechanism research demonstrated that EPPS-3 restrained cell apoptosis and promoted Nrf2 cell signal pathway to play an antioxidant impact. Therefore, EPPS-3 an ingredient could be served as amazing gift for food industry and feed additive.
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Affiliation(s)
- Ranran Hou
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Tianli Xu
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Qiu Li
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Fengfang Yang
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Chunyuan Wang
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Tingting Huang
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Zhihui Hao
- College of Veterinary Medicine, China Agricultural University, Beijing, China; Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China.
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17
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Gu C, Mao X, Chen D, Yu B, Yang Q. Isoleucine Plays an Important Role for Maintaining Immune Function. Curr Protein Pept Sci 2019; 20:644-651. [PMID: 30843485 DOI: 10.2174/1389203720666190305163135] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 12/30/2018] [Accepted: 01/10/2019] [Indexed: 12/16/2022]
Abstract
Branched chain amino acids are the essential nutrients for humans and many animals. As functional amino acids, they play important roles in physiological functions, including immune functions. Isoleucine, as one of the branched chain amino acids, is also critical in physiological functions of the whole body, such as growth, immunity, protein metabolism, fatty acid metabolism and glucose transportation. Isoleucine can improve the immune system, including immune organs, cells and reactive substances. Recent studies have also shown that isoleucine may induce the expression of host defense peptides (i.e., β-defensins) that can regulate host innate and adaptive immunity. In addition, isoleucine administration can restore the effect of some pathogens on the health of humans and animals via increasing the expression of β-defensins. Therefore, the present review will emphatically discuss the effect of isoleucine on immunity while summarizing the relationship between branched chain amino acids and immune functions.
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Affiliation(s)
- Changsong Gu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease- Resistance Nutrition, Chinese Ministry of Education, Chengdu, China
| | - Xiangbing Mao
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease- Resistance Nutrition, Chinese Ministry of Education, Chengdu, China
| | - Daiwen Chen
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease- Resistance Nutrition, Chinese Ministry of Education, Chengdu, China
| | - Bing Yu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China.,Key Laboratory of Animal Disease- Resistance Nutrition, Chinese Ministry of Education, Chengdu, China
| | - Qing Yang
- Department of Animal Science, Oklahoma State University, Stillwater, Oklahoma, KS, United States
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18
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Measurement of Free and Glucuronidated Cardamonin in Rat Plasma and Bile Using UPLC-MS/MS and Its Application to a Pharmacokinetic and Bile Excretion Study. Chem Res Chin Univ 2019. [DOI: 10.1007/s40242-019-9275-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Wang KZ, Feng L, Jiang WD, Wu P, Liu Y, Jiang J, Kuang SY, Tang L, Zhang YA, Zhou XQ. Dietary gossypol reduced intestinal immunity and aggravated inflammation in on-growing grass carp (Ctenopharyngodon idella). FISH & SHELLFISH IMMUNOLOGY 2019; 86:814-831. [PMID: 30543935 DOI: 10.1016/j.fsi.2018.12.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 11/25/2018] [Accepted: 12/09/2018] [Indexed: 06/09/2023]
Abstract
The present study explored the effects of dietary gossypol on the gut health of on-growing grass carp. The fish were fed six diets containing different levels of free gossypol (0, 121.38, 243.94, 363.89, 759.93 and 1162.06 mg/kg diet) from gossypol-acetic acid for 60 days and then challenged with Aeromonas hydrophila for 14 days. The results showed that dietary gossypol (1) could aggravate enteritis and damage the structure of intestinal epithelial cells, (2) decreased the lysozyme (LZ) and Acid phosphatase (ACP) activities, complement 3 (C3), C4 and immunoglobulin M (IgM) contents, and it down-regulated the Hepcidin (rather than distal intestine (DI)), immunoglobulin Z (IgZ), liver-expressed antimicrobial peptide (LEAP)-2B, Mucin2 and β-defensin-1 mRNA levels in the proximal intestine (PI), mid intestine (MI) and DI, (3) up-regulated intestinal pro-inflammatory cytokines tumor necrosis factor α (TNF-α), interferon γ2 (IFN-γ2), interleukin 1β (IL-1β), IL-6 (only in PI), IL-8 and IL-12p35 mRNA levels partly related to nuclear factor kappa B (NF-κB) signalling, and (4) down-regulated the mRNA levels of anti-inflammatory cytokines such as transforming growth factor (TGF)-β1, TGF-β2, interleukin 4/13A (IL-4/13A) (except IL-4/13B), IL-10 and IL-11 partly relating to target of rapamycin (TOR) signalling in the intestines of on-growing grass carp. Moreover, the dietary gossypol had no impact on the LEAP-2A, IL-12P40, IL-17D, IL-10, NF-κBp52, IKKα and eIF4E-binding proteins 2 (4E-BP2) mRNA levels in the intestines. Finally, based on the intestinal histopathological results, enteritis morbidity, LZ activity and IgM content, the safe dose of gossypol in the diets for on-growing grass carp should be less than 103.42 mg/kg diet.
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Affiliation(s)
- Kai-Zhuo Wang
- Animal Nutrition Institute, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan, Agricultural University, Sichuan, Chengdu, 611130, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan, Agricultural University, Sichuan, Chengdu, 611130, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan, Agricultural University, Sichuan, Chengdu, 611130, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan, Agricultural University, Sichuan, Chengdu, 611130, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Sichuan, 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
| | - Yong-An Zhang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Sichuan, Chengdu, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan, Agricultural University, Sichuan, Chengdu, 611130, China.
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Developing a link between toxicants, claudins and neural tube defects. Reprod Toxicol 2018; 81:155-167. [DOI: 10.1016/j.reprotox.2018.08.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 07/27/2018] [Accepted: 08/02/2018] [Indexed: 02/06/2023]
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Liang H, Mokrani A, Ji K, Ge X, Ren M, Xie J, Liu B, Xi B, Zhou Q. Dietary leucine modulates growth performance, Nrf2 antioxidant signaling pathway and immune response of juvenile blunt snout bream (Megalobrama amblycephala). FISH & SHELLFISH IMMUNOLOGY 2018; 73:57-65. [PMID: 29203449 DOI: 10.1016/j.fsi.2017.11.048] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 11/21/2017] [Accepted: 11/24/2017] [Indexed: 05/13/2023]
Abstract
The present study assessed the effects of dietary leucine on growth performance, antioxidant status and immunity in juvenile blunt snout bream. Fish were fed six practical diets of graded leucine levels ranging from 0.90% to 2.94% of dry basis for 8 weeks. Trail results showed that compared to control group (0.90%), 1.72% dietary leucine level significantly improved final weight (FW), weight gain rate (WG) and specific growth rate (SGR), and significantly lowered feed conversion ratio (FCR). Based on WG and SGR, the optimal dietary leucine level was obtained at 1.40% and 1.56%, respectively. Whole body crude lipid and protein contents were improved with increasing dietary leucine up to 2.14% and thereafter showed a downward trend, while whole body moisture content showed a converse trend. No significant change was found in whole body ash content. 1.72% dietary leucine level significantly improved the antioxidant capacity of fish by regulating the plasma superoxide dismutase (SOD) activity, glutathione peroxidase (GPx) activity, total antioxidant capacity (T-AOC) activity, catalase (CAT) activity, aspartate aminotransferase (AST) activities and malondialdehyde (MDA) content, furthermore, 1.72% dietary leucine level also significantly improved the antioxidant genes expressions of associated with Nrf2 signaling pathway by regulating heme oxygenase-1 (HO-1), GPx, copperezinc superoxide dismutase (Cu/Zn-SOD), manganese superoxide dismutase (Mn-SOD), 2.14% dietary leucine levels also significantly improved glutathione transferase (GST) mRNA level. Dietary leucine levels significantly affected plasma immunity parameters such as the contents of plasma complement component 3 (C3), immunoglobulin M (IgM) and lowered the hepatopancreas genes expressions of pro-inflammatory factor by regulating interleukin 1β (IL-1β), interleukin 8 (IL-8) and tumour necrosis factor-α (TNF-α) mRNA levels. The present study indicated that optimal dietary leucine level plays an important role in improving growth, enhancing antioxidant and immune status to maintain the health in juvenile blunt snout bream.
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Affiliation(s)
- Hualiang Liang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Ahmed Mokrani
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Ke Ji
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China
| | - Xianping Ge
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; Key Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi 214081, China.
| | - Mingchun Ren
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; Key Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi 214081, China.
| | - Jun Xie
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; Key Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi 214081, China
| | - Bo Liu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; Key Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi 214081, China
| | - Bingwen Xi
- Key Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi 214081, China
| | - Qunlan Zhou
- Key Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi 214081, China
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22
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Jiang WD, Deng YP, Zhou XQ, Liu Y, Jiang J, Kuang SY, Tang L, Tang WN, Wu P, Zhang YA, Feng L. Towards the modulation of oxidative damage, apoptosis and tight junction protein in response to dietary leucine deficiency: A likely cause of ROS-induced gill structural integrity impairment. FISH & SHELLFISH IMMUNOLOGY 2017; 70:609-620. [PMID: 28939530 DOI: 10.1016/j.fsi.2017.09.049] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 09/12/2017] [Accepted: 09/16/2017] [Indexed: 06/07/2023]
Abstract
The current study explored the protective effect of leucine on antioxidant status, apoptosis and tight junction damage in the gill of grass carp (Ctenopharyngodon idella Val.). The trial was conducted by feeding grass carp with six graded level of leucine (7.1, 8.9, 11.0, 13.3, 15.2 and 17.1 g kg-1 diet) for 8 weeks. The fish were fed to apparent satiation 4 times per day. The results indicated that compared with the leucine deficiency group, 8.9-11.3 g leucine kg-1 diet supplementations decreased protein carbonyl (PC), malondialdehyde (MDA) and ROS contents, which may be partially attributed to the improvement of antioxidant status in the gill by increasing hydroxyl radical capacity and anti-superoxide radicals, glutathione contents and the activities and mRNA levels of Cu/Zn superoxide dismutase (SOD1), glutathione peroxidase (GPx), catalase (CAT), glutathione-S-transferase (GST) and glutathione reductase (GR), that referring to the up-regulation of nuclear factor erythroid 2-related factor 2 (Nrf2) mRNA expression. Moreover, leucine deficiency induced DNA fragmentation via the up-regulation of caspase-3, caspase-8 and caspase-9 expressions and down-regulation of target of rapamycin and ribosomal S6 protein kinase 1 expressions. Furthermore, leucine deficiency increased interleukin-1β (IL-1β), interleukin-8 (IL-8) and tumor necrosis factor-α (TNF-α) mRNA expression and decreased IL-10 and transforming growth factor β (TGF-β), which was partly related to nuclear factor κB (NF-κB) and its inhibitor (IκB). In contrast, the relative mRNA expression of IL-1, IL-8 and TNF-α was down-regulated with 8.9-11.3 g leucine kg-1 diet supplementations. Finally, the relative mRNA expression of tight junction protein, including occludin, zonula occludens-1, claudin b, claudin 3 and claudin 12 was up-regulated with leucine diet supplementations. Our results indicate that leucine protected the fish gill structural integrity partially because of the inhibition of apoptosis, the improvement of antioxidant status, the regulation of tight junction protein and related signalling molecules mRNA expressions in the fish gill.
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Affiliation(s)
- Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China
| | - Yu-Ping Deng
- Animal Nutrition Institute, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 611130, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 611130, China
| | - Wu-Neng Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 611130, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China
| | - Yong-An Zhang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Cheng Du, Sichuan, 611130, China.
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23
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Aragona M, Lauriano ER, Pergolizzi S, Faggio C. Opuntia ficus-indica (L.) Miller as a source of bioactivity compounds for health and nutrition. Nat Prod Res 2017; 32:2037-2049. [DOI: 10.1080/14786419.2017.1365073] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- M. Aragona
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - E. R. Lauriano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - S. Pergolizzi
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - C. Faggio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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