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Eliuz EE, Ayas D. Developing fish oil emulsion gel enriched with Lentinula edodes single cell protein and its effect on controlling the growth of Acinetobacter baumannii. J Microbiol Methods 2024; 224:107006. [PMID: 39069135 DOI: 10.1016/j.mimet.2024.107006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 07/24/2024] [Accepted: 07/24/2024] [Indexed: 07/30/2024]
Abstract
In this study, the characterization of fish oil (FO) emulsion gel (EGEL) containing single cell protein (SCP) produced from Lentinula edodes (L. edodes) and its potential inhibition against Acinetobacter baumannii (A. baumannii) were investigated. Oil extracted from the fish liver was emulsified with tween 80 and water, and then gelled using gelatin with the assistance of an ultrasonic homogenizer. The characteristics and surface analysis of SCP-EGEL were examined using FTIR (Fourier-transform infrared spectroscopy) and SEM (Scanning electron microscope). The particle size distribution and zeta potential of SCP-EGEL were measured using a Malvern Zetasizer. When SCP-EGEL was applied to the surface of the medium inoculated with A. baumannii, the inhibition zone (IZ) was 8.2 mm. An expansion of the IZ was observed (10.2 mm) when SCP-EGEL was applied to a fish skin (FS) surface prepared in the shape of a 6-mm diameter disc. In the SEM images, when SCP was added to lipo gel, the gel structure appeared flattened or swollen in some areas. The appearance of SCP cells being covered with gel gave the impression that they have a secondary wall. Therefore, the resulting complex can potentially be used as an additive in animal and human nutrition, in functional food coatings to suppress A. baumannii, and in fish feed to enrich it with protein.
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Affiliation(s)
- Elif Erdogan Eliuz
- Department of Seafood Processing Technology, Faculty of Fisheries, Mersin University, Mersin, Turkey.
| | - Deniz Ayas
- Department of Seafood Processing Technology, Faculty of Fisheries, Mersin University, Mersin, Turkey
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Eliuz EE, Yabalak E, Ayas D. Inhibition performance of almond shell hydrochar-based fish oil emulsion gel on Klebsiella pneumonia inoculated fish skin and its characteristics. Int J Biol Macromol 2024; 264:130529. [PMID: 38432281 DOI: 10.1016/j.ijbiomac.2024.130529] [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: 01/12/2024] [Revised: 02/27/2024] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
In this study, the inhibition potential against Klebsiella pneumoniae (K. pneumoniae) and the characterization of fish oil (FO) emulsion gel (EGE) containing almond shell hydrochar (AH) were investigated. Oily water of mullet liver was emulsified using tween 80, then gelled using gelatin and finally immobilized into hydrochar using an ultrasonic homogenizer. Characteristics and surface analysis of hydrochar-based emulsion gel (HEGE) were examined using FTIR and SEM. Stability, particle size distribution and zeta potential of HEGE were measured. In this study, a zeta potential of -18.46 indicated that HEGE was more stable than EGE (35.7 mV). The addition of hydrochar to the emulsion gel containing micro-droplets enabled the structure to become fully layered and stable. Time-dependent inactivation of K. pneumoniae exposed to HEGE and fixed in 6 mm-fish skin was evaluated for the first time in this study. While the highest log reduction and percent reduction in the bacterial count were achieved within 5 min with 0.87 CFU/cm2 and 86.60% with EGE, the lowest log reduction and percent reduction were achieved with 0.003 CFU/cm2 and 0.082% with HEGE in 30 min. In conclusion, the almond shell hydrochar-immobilized emulsion gel is a functional adsorbent that can inhibit K. pneumonia, and its stability and performance make it a unique candidate for further studies in this field.
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Affiliation(s)
- Elif Erdogan Eliuz
- Department of Seafood Processing Technology, Faculty of Fisheries, Mersin University, Mersin, Turkey.
| | - Erdal Yabalak
- Department of Chemistry and Chemical Processing Technologies, Technical Science Vocational School, Mersin University, 33343 Mersin, Turkey; Department of Nanotechnology and Advanced Materials, Mersin University, TR-33343 Mersin, Turkey.
| | - Deniz Ayas
- Department of Seafood Processing Technology, Faculty of Fisheries, Mersin University, Mersin, Turkey
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Yu W, Ding J, Chen J, Jiang Y, Zhao J, Liu J, Zhou J, Liu J. Magnesium Ion-Doped Mesoporous Bioactive Glasses Loaded with Gallic Acid Against Myocardial Ischemia/Reperfusion Injury by Affecting the Biological Functions of Multiple Cells. Int J Nanomedicine 2024; 19:347-366. [PMID: 38229705 PMCID: PMC10790657 DOI: 10.2147/ijn.s444751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 12/22/2023] [Indexed: 01/18/2024] Open
Abstract
Introduction Excessive generation of reactive oxygen species (ROS) following myocardial ischemia-reperfusion (I/R) can result in additional death of myocardial cells. The rapid clearance of ROS after reperfusion injury and intervention during subsequent cardiac repair stages are crucial for the ultimate recovery of cardiac function. Methods Magnesium-doped mesoporous bioactive glasses were prepared and loaded with the antioxidant drug gallic acid into MgNPs by sol-gel method. The antioxidant effects of MgNPs/GA were tested for their pro-angiogenic and anti-inflammatory effects based on the release characteristics of GA and Mg2+ from MgNPs/GA. Later, we confirmed in our in vivo tests through immunofluorescence staining of tissue sections at various time points that MgNPs/GA exhibited initial antioxidant effects and had both pro-angiogenic and anti-inflammatory effects during the cardiac repair phase. Finally, we evaluated the cardiac function in mice treated with MgNPs/GA. Results We provide evidence that GA released by MgNPs/GA can effectively eliminate ROS in the early stage, decreasing myocardial cell apoptosis. During the subsequent cardiac repair phase, the gradual release of Mg2+ from MgNPs/GA stimulated angiogenesis and promoted M2 macrophage polarization, thereby reducing the release of inflammatory factors. Conclusion MgNPs/GA acting on multiple cell types is an integrated solution for comprehensive attenuation of myocardial ischaemia-reperfusion injury and cardiac function protection.
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Affiliation(s)
- Wenpeng Yu
- Department of Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People’s Republic of China
- Hubei Provincial Engineering Research Center of Minimally Invasive Cardiovascular Surgery, Wuhan, 430071, People’s Republic of China
- Wuhan Clinical Research Center for Minimally Invasive Treatment of Structural Heart Disease, Wuhan, 430071, People’s Republic of China
- Department of Cardiovascular Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, People’s Republic of China
| | - Jingli Ding
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People’s Republic of China
| | - Jianfeng Chen
- Department of Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People’s Republic of China
- Hubei Provincial Engineering Research Center of Minimally Invasive Cardiovascular Surgery, Wuhan, 430071, People’s Republic of China
- Wuhan Clinical Research Center for Minimally Invasive Treatment of Structural Heart Disease, Wuhan, 430071, People’s Republic of China
| | - Ying Jiang
- Department of Cardiovascular Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, People’s Republic of China
| | - Jinping Zhao
- Department of Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People’s Republic of China
- Hubei Provincial Engineering Research Center of Minimally Invasive Cardiovascular Surgery, Wuhan, 430071, People’s Republic of China
- Wuhan Clinical Research Center for Minimally Invasive Treatment of Structural Heart Disease, Wuhan, 430071, People’s Republic of China
| | - Jichun Liu
- Department of Cardiovascular Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, People’s Republic of China
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, People’s Republic of China
| | - Jianliang Zhou
- Department of Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People’s Republic of China
- Hubei Provincial Engineering Research Center of Minimally Invasive Cardiovascular Surgery, Wuhan, 430071, People’s Republic of China
- Wuhan Clinical Research Center for Minimally Invasive Treatment of Structural Heart Disease, Wuhan, 430071, People’s Republic of China
| | - Jinping Liu
- Department of Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People’s Republic of China
- Hubei Provincial Engineering Research Center of Minimally Invasive Cardiovascular Surgery, Wuhan, 430071, People’s Republic of China
- Wuhan Clinical Research Center for Minimally Invasive Treatment of Structural Heart Disease, Wuhan, 430071, People’s Republic of China
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Liu H, Liu B, Zhang S, Fan M, Ji X, Zhang S, Wang Z, Qiao K. Lentinan protects Caenorhabditis elegans against fluopyram-induced toxicity through DAF-16 and SKN-1 pathways. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 265:115510. [PMID: 37742572 DOI: 10.1016/j.ecoenv.2023.115510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 09/17/2023] [Accepted: 09/20/2023] [Indexed: 09/26/2023]
Abstract
Fluopyram, a SDH inhibitor fungicide, is widely used in agriculture to control fungi and nematodes. However, fluopyram has been proved toxic that caused damage to organs through oxidative stress. The development of natural extracts that can reduce oxidative damage is a promising method. Lentinan is isolated from Lentinus edodes and has been verified its antioxidant activity. In this study, Caenorhabditis elegans was used to evaluate the protective effects of lentinan against fluopyram-induced toxicity and the possible mechanisms. Results showed that lentinan pretreatment notably increased the survival rate of N2 nematodes by 15.0 % and extended the lifespan by 91.5 %, compared with the fluopyram treatment. Lentinan pretreatment reverted the inhibition of the locomotion and reproduction of C. elegans under the fluopyram stress. In addition, lentinan pretreatment significantly decreased the contents of ROS and MDA in N2 nematodes. Moreover, pretreated with lentinan significantly recovered the decreased activities of CAT, SOD, GST and SDH induced by fluopyram. Lentinan pretreatment enhanced the mRNA levels of daf-16 and skn-1 and their downstream genes in the nematodes compared with the fluopyram group. In daf-16 and skn-1 mutants, the lifespan, ROS and related genes expression were not significantly changed in lentinan pretreatment. Pretreated with lentinan significantly enhanced the fluorescence intensity of SOD-3::GFP and GST-4::GFP, and promoted the nuclear translocation of DAF-16 and SKN-1 under the fluopyram stress. In summary, these findings indicated that lentinan protected C. elegans from fluopyram-induced toxicity via DAF-16 and SKN-1.
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Affiliation(s)
- Huimin Liu
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Bingjie Liu
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Siqi Zhang
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Miao Fan
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Xiaoxue Ji
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Shouan Zhang
- Tropical Research and Education Center, Department of Plant Pathology, University of Florida, IFAS, Homestead, FL 33031, USA
| | - Zhongtang Wang
- Shandong Institute of Pomology, Tai'an, Shandong 271000, China.
| | - Kang Qiao
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China.
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Zhao T, Yang M, Ma L, Liu X, Ding Q, Chai G, Lu Y, Wei H, Zhang S, Ding C. Structural Modification and Biological Activity of Polysaccharides. Molecules 2023; 28:5416. [PMID: 37513287 PMCID: PMC10384959 DOI: 10.3390/molecules28145416] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/10/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023] Open
Abstract
Natural polysaccharides are macromolecular substances with a wide range of biological activities. The structural modification of polysaccharides by chemical means can enhance their biological activity. This paper reviews the latest research reports on the chemical modification of natural polysaccharides. At present, the modification methods of polysaccharides mainly include sulfation, phosphorylation, carboxymethylation, socialization, methylation and acetylation. The chemical and physical structures of the modified polysaccharides were detected via ultraviolet spectroscopy, FT-IR, high-performance liquid chromatography, ultraviolet spectroscopy, gas chromatography-mass spectrometry, nuclear magnetic resonance and scanning electron microscopy. Modern pharmacological studies have shown that the modified polysaccharide has various biological activities, such as antioxidant, antitumor, immune regulation, antiviral, antibacterial and anticoagulant functions in vitro. This review provides fresh ideas for the research and application of polysaccharide structure modification.
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Affiliation(s)
- Ting Zhao
- College of Traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, Jilin Agricultural University, Changchun 130118, China
| | - Min Yang
- College of Traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, Jilin Agricultural University, Changchun 130118, China
| | - Lina Ma
- College of Traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, Jilin Agricultural University, Changchun 130118, China
| | - Xinglong Liu
- College of Traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, Jilin Agricultural University, Changchun 130118, China
| | - Qiteng Ding
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, Jilin Agricultural University, Changchun 130118, China
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Guodong Chai
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, Jilin Agricultural University, Changchun 130118, China
- College of Resources and Environment, Jilin Agricultural University, Changchun 130118, China
| | - Yang Lu
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, Jilin Agricultural University, Changchun 130118, China
- College of Resources and Environment, Jilin Agricultural University, Changchun 130118, China
| | - Hewei Wei
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, Jilin Agricultural University, Changchun 130118, China
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Shuai Zhang
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, Jilin Agricultural University, Changchun 130118, China
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Chuanbo Ding
- College of Traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, Jilin Agricultural University, Changchun 130118, China
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Xu M, Qu Y, Li H, Tang S, Chen C, Wang Y, Wang H. Improved Extraction Yield, Water Solubility, and Antioxidant Activity of Lentinan from Lentinula edodes via Bacillus subtilis natto Fermentation. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9040333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
Lentinan has important applications in the food and medicine fields. Fermenting Lentinula edodes with Bacillus subtilis natto increased the lentinan extraction yield by 87.13% and greatly altered the molecular structure and antioxidant activity of lentinan. The uronic acid content in the lentinan molecular structure increased from 2.08% to 4.33%. The fermentation process did not affect the monosaccharide composition of lentinan, comprised of more than 90% glucose residues. Fermentation significantly reduced the molecular weight of lentinan and altered its apparent structure. The water solubility of fermented lentinan was increased by 165.07%, and the antioxidant activity was significantly improved. Fermentation using soybean as a substrate may be beneficial for enhancing the activity of Bacillus subtilis natto and producing lentinan with different molecular weights.
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Liu X, Cao R, Xu Y. Acidic hydrolyzed xylo-oligosaccharides bioactivity on the antioxidant and immune activities of macrophage. Food Res Int 2023; 163:112152. [PMID: 36596103 DOI: 10.1016/j.foodres.2022.112152] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 11/09/2022] [Accepted: 11/15/2022] [Indexed: 11/27/2022]
Abstract
Xylo-oligosaccharides (XOS) prepared by the acetic acid hydrolysis of corncob were adulterated with many impurities including pigments, salts, and monosaccharides. Monosaccharides, acids, and most of the pigment were removed by a combination of decolorization, bipolar membrane electrodialysis and catalysis by Gluconobacter oxydans. These steps retain 90% of XOS in the acidolysis slurry. In this study, the effects of purified-XOS (PXOS) and crude XOS (CXOS) on the antioxidant and immune activities of macrophage were compared to verify the bioactivity of acidic hydrolyzed XOS, mainly focusing on the benefits of the purification process. PXOS was more effective in increasing superoxide dismutase activity and reducing malondialdehyde content, and thus had more potent antioxidant activity. In addition, PXOS could more efficiently promote the secretion of tumor necrosis factor-α, interleukin-6, nitric oxide, and interleukin-1β by macrophage. All these data, suggest that the purification process contributed to improve the immunomodulatory activity of XOS from acidolysis slurry.
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Affiliation(s)
- Xinlu Liu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, People's Republic of China; Jiangsu Province Key Laboratory of Green Biomass-based Fuels and Chemicals, Nanjing 210037, People's Republic of China; Key Laboratory of Forestry Genetics & Biotechnology (Nanjing Forestry University), Ministry of Education, Nanjing 210037, People's Republic of China
| | - Rou Cao
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, People's Republic of China; Jiangsu Province Key Laboratory of Green Biomass-based Fuels and Chemicals, Nanjing 210037, People's Republic of China; Key Laboratory of Forestry Genetics & Biotechnology (Nanjing Forestry University), Ministry of Education, Nanjing 210037, People's Republic of China
| | - Yong Xu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, People's Republic of China; Jiangsu Province Key Laboratory of Green Biomass-based Fuels and Chemicals, Nanjing 210037, People's Republic of China; Key Laboratory of Forestry Genetics & Biotechnology (Nanjing Forestry University), Ministry of Education, Nanjing 210037, People's Republic of China.
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Vijayaram S, Sun YZ, Zuorro A, Ghafarifarsani H, Van Doan H, Hoseinifar SH. Bioactive immunostimulants as health-promoting feed additives in aquaculture: A review. FISH & SHELLFISH IMMUNOLOGY 2022; 130:294-308. [PMID: 36100067 DOI: 10.1016/j.fsi.2022.09.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 09/03/2022] [Accepted: 09/05/2022] [Indexed: 06/15/2023]
Abstract
Bioactive immunostimulants could be derived from different sources like plants, animals, microbes, algae, yeast, etc. Bioactive immunostimulants are the most significant role to enhance aquatic production, as well as the cost of this method, which is effective, non-toxic, and environment-friendly. These immunostimulants are supportive to increase the immune system, growth, antioxidant, anti-inflammatory, and disease resistance of aquatic animals' health and also improve aquatic animal feed. Diseases are mainly targeted to the immune system of aquatic organisms in such a way that different processes of bioactive immunostimulants progress are considered imperative techniques for the development of aquaculture production. Communicable infections are the main problem for aquaculture, while the mortality and morbidity connected with some outbreaks significantly limit the productivity of some sectors. Aquaculture is considered the mainly developing food production sector globally. Protein insists is an important issue in human nutrition. Aquaculture has been an exercise for thousands of years, and it has now surpassed capture fisheries as the most vital source of seafood in the world. Limited study reports are available to focal point on bioactive immunostimulants in aquaculture applications. This review report provides information on the nutritional administration of bioactive immunostimulants, their types, functions, and beneficial impacts on aquatic animals' health as well as for the feed quality development in the aquaculture industry. The scope of this review combined to afford various kinds of natural derived bioactive molecules utilization and their beneficial effects in aquaculture applications.
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Affiliation(s)
- Seerengaraj Vijayaram
- Xiamen Key Laboratory for Feed Quality Testing and Safety Evaluation, Fisheries College, Jimei University, Xiamen, China; Department of Environmental Studies, School of Energy Environment and Natural Resources, Madurai Kamaraj University, Madurai, India
| | - Yun-Zhang Sun
- Xiamen Key Laboratory for Feed Quality Testing and Safety Evaluation, Fisheries College, Jimei University, Xiamen, China; The Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, China.
| | - Antonio Zuorro
- Department of Chemical Engineering, Materials and Environment, Sapienza University, Via Eudossiana 18, 00184, Rome, Italy
| | - Hamed Ghafarifarsani
- Department of Fisheries, Faculty of Natural Resources, Urmia University, Urmia, Iran
| | - Hien Van Doan
- Department of Animal and Aquatic Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand; Science and Technology Research Institute, Chiang Mai University, Suthep, Muang, Chiang Mai, Thailand.
| | - Seyed Hossein Hoseinifar
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
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Ren H, Li Z, Gao R, Zhao T, Luo D, Yu Z, Zhang S, Qi C, Wang Y, Qiao H, Cui Y, Gan L, Wang P, Wang J. Structural Characteristics of Rehmannia glutinosa Polysaccharides Treated Using Different Decolorization Processes and Their Antioxidant Effects in Intestinal Epithelial Cells. Foods 2022; 11:foods11213449. [PMID: 36360063 PMCID: PMC9657679 DOI: 10.3390/foods11213449] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/17/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022] Open
Abstract
Polysaccharide decolorization is a key determinant of polysaccharide structure. In this study, two purified Rehmannia glutinosa polysaccharides, RGP−1−A and RGP−2−A, were obtained after decolorization using the AB-8 macroporous resin and H2O2, respectively. RGP−1−A (molecular weight (Mw) = 18,964 Da) and RGP−2−A (Mw = 3305 Da) were acidic and neutral heteropolysaccharides, respectively, and were both polycrystalline in structure. FTIR analysis revealed that RGP−1−A was a sulfate polysaccharide, while RGP−2−A had no sulfate group. Experiments on IPEC-1 cells showed that RGPs alleviated oxidative stress by regulating the Nrf2/Keap1 pathway. These findings were confirmed by the upregulation of Nrf2, NQO1, and HO-1; the subsequent increase in the levels of antioxidant indicators (SOD, LDH, CAT, and MDA); and the restoration of mitochondrial membrane potential. Overall, the antioxidant capacity of RGP−1−A was significantly higher than that of RGP−2−A. These results suggest that RGPs may be a potential natural antioxidant and could be developed into functional foods.
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Garcia J, Rodrigues F, Saavedra MJ, Nunes FM, Marques G. Bioactive polysaccharides from medicinal mushrooms: A review on their isolation, structural characteristics and antitumor activity. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Synthesis, characterization, and biological evaluation of novel selenium-containing chitosan derivatives. Carbohydr Polym 2022; 284:119185. [DOI: 10.1016/j.carbpol.2022.119185] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 01/10/2022] [Accepted: 01/22/2022] [Indexed: 12/28/2022]
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12
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Liu H, Wang Y, Zhang W, Sun W, Ji X, Zhang S, Qiao K. Lentinan extends lifespan and increases oxidative stress resistance through DAF-16 and SKN-1 pathways in Caenorhabditis elegans. Int J Biol Macromol 2022; 202:286-295. [PMID: 35041882 DOI: 10.1016/j.ijbiomac.2022.01.071] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 12/09/2021] [Accepted: 01/11/2022] [Indexed: 12/11/2022]
Abstract
Lentinan, extracted from Lentinus edodes, exhibits bioactive properties in vitro; however, little is known about the antioxidant potential in vivo. In this study, the effects of lentinan at 0.05, 0.25 and 1.25 mg/mL on the lifespan, locomotion, reproductive capacity, and oxidative stress resistance in Caenorhabditis elegans were determined. Compared to the untreated control, lentinan at 0.05, 0.25 and 1.25 mg/mL significantly prolonged the lifespan by 17.6%, 35.3% and 25.3% (p < 0.001), respectively, and improved the brood size, locomotion and stress resistance of the nematodes. Furthermore, lentinan at 0.25 mg/mL significantly reduced accumulation of intracellular reactive oxygen species (ROS) and malondialdehyde (MDA) by 38.1% (p = 0.013) and 49.7% (p = 0.028), respectively. In addition, lentinan at all tested concentrations significantly increased the activities of superoxide dismutase (SOD) and catalase (CAT). The expression of skn-1 and daf-16 in the treatments with lentinan at 0.25 and 1.25 mg/mL was significantly (p < 0.005) up-regulated compared with the untreated control, whereas that of the daf-2 gene was significantly down-regulated. Further evidence revealed that ROS production in lentinan-treated daf-16 and skn-1 mutant strains was similar to the untreated control. Consistent with the aforementioned results, lentinan enhanced the nuclear translocation of DAF-16 and SKN-1. Our results demonstrated that lentinan could increase lifespan and protect the nematodes from oxidative stress through DAF-16 and SKN-1.
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Affiliation(s)
- Huimin Liu
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Ying Wang
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Weiping Zhang
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Weichao Sun
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Xiaoxue Ji
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Shouan Zhang
- Tropical Research and Education Center, Department of Plant Pathology, University of Florida, IFAS, Homestead, FL 33031, USA
| | - Kang Qiao
- Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong 271018, China.
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Xie L, Huang Z, Qin L, Yu Q, Chen Y, Zhu H, Xie J. Effects of sulfation and carboxymethylation on Cyclocarya paliurus polysaccharides: Physicochemical properties, antitumor activities and protection against cellular oxidative stress. Int J Biol Macromol 2022; 204:103-115. [PMID: 35144010 DOI: 10.1016/j.ijbiomac.2022.01.192] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 01/15/2022] [Accepted: 01/29/2022] [Indexed: 12/23/2022]
Abstract
The Cyclocarya paliurus polysaccharide (CP) was chemically modified to produce sulfated derivatives (S-CP) and carboxymethylated derivatives (CM-CP). Subsequently, the antioxidant activity, cytoprotective effect and antitumor activity of these derivatives were investigated to establish the relationship between their structure and functional activity. The results found that chemical modifications resulted in remarkable variations in the chemical compositions and apparent structures of CP. S-CP with the highest amount of glucose had the strongest antioxidant capacity to scavenge DPPH• and HO•, but CM-CP was lower than CP in terms of HO• scavenging. More importantly, S-CP and CM-CP more effectively protected RAW264.7 from H2O2-induced damage compared to CP by reducing the secretion of lactate dehydrogenase (LDH), intracellular reactive oxygen species (ROS) and malondialdehyde (MDA), enhancing phagocytosis and superoxide dismutase (SOD) levels, and suppressing abnormal apoptosis. Further experiments showed that the anti-apoptotic effect of S-CP and CM-CP was in intimate association with down-regulation of Caspase-9/3 activities and alleviation of cell cycle arrest in the S phase. In addition, S-CP and CM-CP decreased the cell viability of tumor cells. These findings suggest that the type of functional group plays important roles in the biological function of the derivatives and provide a theoretical basis for the development of novel natural anti-oxidants or low-toxicity anti-tumor drugs.
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Affiliation(s)
- Liuming Xie
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Zhibing Huang
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China; Sino-German Joint Research Institute, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Li Qin
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Qiang Yu
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Yi Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Haibing Zhu
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China.
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Gao Q, Wu JL, Jiang LP, Sun SQ, Gu XJ, Tie M, Tanokura M, Xue YL. Se-O Bond Is Unique to High Se Enriched Sweet Potato Stem Protein with Better Antioxidant Ability. Foods 2021; 10:foods10123064. [PMID: 34945614 PMCID: PMC8701230 DOI: 10.3390/foods10123064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/28/2021] [Accepted: 12/04/2021] [Indexed: 11/16/2022] Open
Abstract
Sweet potato plants were treated with selenium (Se). Spraying Se on the sweet potato leaves was an effective Se enrichment method and proteins were extracted from the sweet potato stem. The structural characteristics of the protein were investigated. Fourier transform infrared spectroscopy (FT-IR) detected more signals from the Se-enriched sweet potato stem protein (SSP), and the number of forms of Se chemical bonds gradually increased with increasing Se content, such as the Se-O bond in high Se-enriched SSP, indicating altered secondary structures.Scanning electron microscopy-energy dispersive spectrometry (SEM-EDS) indicated more Se atoms in the Se-enriched SSPs (SSSPs). The DSC results revealed that Se enrichment enhanced the thermal stability of the samples. Moreover, selenomethionine (SeMet), selenocystine (SeCys2), and methylselenocysteine (MeSeCys) were determined to be the main Se forms in the SSSPs. Furthermore, the SSSPs showed relatively higher superoxide anion radical and DPPH radical scavenging activities than the blank, which indicates that SSSPs can be used as antioxidants. By recovering the proteins, the agricultural by-product-sweet potato stem can be further utilized, and the obtained Se-enriched proteins may contribute to human health.
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Affiliation(s)
- Qi Gao
- College of Light Industry, Liaoning University, Shenyang 110036, China; (Q.G.); (J.-L.W.); (L.-P.J.); (S.-Q.S.)
- Department of Regional Economic Development, Party School of Liaoning Provincial Party Committee, Shenyang 110161, China
| | - Jia-Le Wu
- College of Light Industry, Liaoning University, Shenyang 110036, China; (Q.G.); (J.-L.W.); (L.-P.J.); (S.-Q.S.)
| | - Lan-Ping Jiang
- College of Light Industry, Liaoning University, Shenyang 110036, China; (Q.G.); (J.-L.W.); (L.-P.J.); (S.-Q.S.)
| | - Su-Qi Sun
- College of Light Industry, Liaoning University, Shenyang 110036, China; (Q.G.); (J.-L.W.); (L.-P.J.); (S.-Q.S.)
| | - Xue-Jun Gu
- Institute of Rare and Scattered Elements, Liaoning University, Shenyang 110036, China;
| | - Mei Tie
- College of Environment, Liaoning University, Shenyang 110036, China;
| | - Masaru Tanokura
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
- Correspondence: (M.T.); (Y.-L.X.); Tel.: +81-3-5841-2279 (M.T.); +86-24-6220-2139 (Y.-L.X.); Fax: +81-3-5841-2283 (M.T.); +86-24-6220-2139 (Y.-L.X.)
| | - You-Lin Xue
- College of Light Industry, Liaoning University, Shenyang 110036, China; (Q.G.); (J.-L.W.); (L.-P.J.); (S.-Q.S.)
- Correspondence: (M.T.); (Y.-L.X.); Tel.: +81-3-5841-2279 (M.T.); +86-24-6220-2139 (Y.-L.X.); Fax: +81-3-5841-2283 (M.T.); +86-24-6220-2139 (Y.-L.X.)
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15
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Lentinan Attenuates Damage of the Small Intestinal Mucosa, Liver, and Lung in Mice with Gut-Origin Sepsis. J Immunol Res 2021; 2021:2052757. [PMID: 34790828 PMCID: PMC8592742 DOI: 10.1155/2021/2052757] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/15/2021] [Accepted: 10/26/2021] [Indexed: 01/08/2023] Open
Abstract
This study is aimed at exploring the effects of lentinan on small intestinal mucosa as well as lung and liver injury in mice with gut-origin sepsis. Cecal ligation and perforation (CLP) were used to construct a mouse model of gut-origin sepsis. The mice were randomly divided into six groups: sham operation group (sham), gut-origin sepsis model group (CLP), ulinastatin-positive drug control group (UTI), lentinan low concentration group (LTN-L, 5 mg/kg), lentinan medium concentration group (LTN-M, 10 mg/kg), and lentinan high concentration group (LTN-H, 20 mg/kg). H&E staining was used to detect the pathological damage of the small intestine, liver, and lung. The serum of mice in each group was collected to detect the expression changes of inflammatory cytokines, oxidative stress biomarkers, and liver function indexes. In vitro assessment of bacterial translocation was achieved through inoculated culture media. Western blot and RT-qPCR were used to detect the expression of molecules related to the NF-κB signaling pathway in the small intestine tissues of mice. The results showed that compared with the CLP group, the injury degree of the small intestine, liver, and lung in mice with gut-origin sepsis was improved with the increase of lentinan concentration. In addition, TNF-α, IL-1β, IL-6, and HMGB1 were decreased with the increase of lentinan concentration, but the expression of IL-10 was increased. Lentinan could also reduce the expression of oxidative stress injury indexes and liver function indexes and inhibit bacterial translocation to liver and lung tissues. Further mechanism investigation revealed that lentinan downregulated the expression of the NF-κB signaling pathway molecules (NF-κB, TLR4, and Bax) and upregulated the expression of occludin and Bcl-2. In conclusion, lentinan inhibits the activity of the NF-κB signaling pathway, thus attenuating injuries of small intestinal mucosa and liver and lung in mice with gut-origin sepsis and reducing the inflammatory response in the process of sepsis.
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Wu T, Wang J, Zhang Y, Shao Y, Li X, Guo Y, Dong W, Wang L, Chen F, Han X. Lentinan protects against pancreatic β-cell failure in chronic ethanol consumption-induced diabetic mice via enhancing β-cell antioxidant capacity. J Cell Mol Med 2021; 25:6161-6173. [PMID: 33837638 PMCID: PMC8256364 DOI: 10.1111/jcmm.16529] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 03/09/2021] [Accepted: 03/24/2021] [Indexed: 12/17/2022] Open
Abstract
Chronic ethanol consumption is a well-established independent risk factor for type 2 diabetes mellitus (T2DM). Recently, increasing studies have confirmed that excessive heavy ethanol exerts direct harmful effect on pancreatic β-cell mass and function, which may be a mechanism of pancreatic β-cell failure in T2DM. In this study, we evaluated the effect of Lentinan (LNT), an active ingredient purified from the bodies of Lentinus edodes, on pancreatic β-cell apoptosis and dysfunction caused by ethanol and the possible mechanisms implicated. Functional studies reveal that LNT attenuates chronic ethanol consumption-induced impaired glucose metabolism in vivo. In addition, LNT ameliorates chronic ethanol consumption-induced β-cell dysfunction, which is characterized by reduced insulin synthesis, defected insulin secretion and increased cell apoptosis. Furthermore, mechanistic assays suggest that LNT enhances β-cell antioxidant capacity and ameliorates ethanol-induced oxidative stress by activating Nrf-2 antioxidant pathway. Our results demonstrated that LNT prevents ethanol-induced pancreatic β-cell dysfunction and apoptosis, and therefore may be a potential pharmacological agent for preventing pancreatic β-cell failure associated with T2DM and stress-induced diabetes.
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Affiliation(s)
- Tijun Wu
- Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
| | - Jiahui Wang
- Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
| | - Yaru Zhang
- Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
| | - Yixue Shao
- Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
| | - Xirui Li
- Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
| | - Yuqing Guo
- Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
| | - Wenyu Dong
- Key Laboratory of Oral Diseases of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
- Institute of StomatologyNanjing Medical UniversityNanjingChina
| | - Lin Wang
- Key Laboratory of Oral Diseases of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
- Institute of StomatologyNanjing Medical UniversityNanjingChina
| | - Fang Chen
- Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
| | - Xiao Han
- Key Laboratory of Human Functional Genomics of Jiangsu ProvinceNanjing Medical UniversityNanjingChina
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17
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Tao Y, Wang T, Huang C, Lai C, Ling Z, Yong Q. Effects of seleno-Sesbania canabina galactomannan on anti-oxidative and immune function of macrophage. Carbohydr Polym 2021; 261:117833. [PMID: 33766336 DOI: 10.1016/j.carbpol.2021.117833] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 02/09/2021] [Accepted: 02/14/2021] [Indexed: 12/24/2022]
Abstract
Seleno-polysaccharides have become a major topic for research owing to their high anti-oxidative capacity and immune-enhancing activities. In this study, galactomannan (GM) was isolated from Sesbania cannabina, and next modified using HNO3-Na2SeO3 method to obtain six varieties of seleno-galactomannans (SeGMs). FT-IR and GPC results showed the changes in chemical structure of SeGMs, indicating successful combination of selenium and GM. By measuring superoxide dismutase and malondialdehyde, the SeGMs showed a stronger protective effect against H2O2-induced oxidative damage in vitro than unmodified GM using macrophage RAW264.7 cell as a model, and the effect of SeGMs-14 was prominent. However, the selenylation modification did not show any obvious effect on the immunomodulatory activity of GM, as determined by the index of tumor necrosis factor-α, interleukin-6, and interleukin-1β. Overall, the prepared SeGMs from galactomannan could potentially serve as a dietary supplement of Se or an organic antioxidant.
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Affiliation(s)
- Yuheng Tao
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China; Key Laboratory of Forestry Genetics & Biotechnology of the Ministry of Education, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Ting Wang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Caoxing Huang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China; Key Laboratory of Forestry Genetics & Biotechnology of the Ministry of Education, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Chenhuan Lai
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China; Key Laboratory of Forestry Genetics & Biotechnology of the Ministry of Education, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Zhe Ling
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China
| | - Qiang Yong
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, People's Republic of China; Key Laboratory of Forestry Genetics & Biotechnology of the Ministry of Education, Nanjing Forestry University, Nanjing, 210037, People's Republic of China.
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18
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Selenium-Containing Polysaccharides—Structural Diversity, Biosynthesis, Chemical Modifications and Biological Activity. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11083717] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Selenosugars are a group of sugar derivatives of great structural diversity (e.g., molar masses, selenium oxidation state, and selenium binding), obtained as a result of biosynthesis, chemical modification of natural compounds, or chemical synthesis. Seleno-monosaccharides and disaccharides are known to be non-toxic products of the natural metabolism of selenium compounds in mammals. In the case of the selenium-containing polysaccharides of natural origin, their formation is also postulated as a form of detoxification of excess selenium in microorganisms, mushroom, and plants. The valency of selenium in selenium-containing polysaccharides can be: 0 (encapsulated nano-selenium), IV (selenites of polysaccharides), or II (selenoglycosides or selenium built into the sugar ring to replace oxygen). The great interest in Se-polysaccharides results from the expected synergy between selenium and polysaccharides. Several plant- and mushroom-derived polysaccharides are potent macromolecules with antitumor, immunomodulatory, antioxidant, and other biological properties. Selenium, a trace element of fundamental importance to human health, has been shown to possess several analogous functions. The mechanism by which selenium exerts anticancer and immunomodulatory activity differs from that of polysaccharide fractions, but a similar pharmacological effect suggests a possible synergy of these two agents. Various functions of Se-polysaccharides have been explored, including antitumor, immune-enhancement, antioxidant, antidiabetic, anti-inflammatory, hepatoprotective, and neuroprotective activities. Due to being non-toxic or much less toxic than inorganic selenium compounds, Se-polysaccharides are potential dietary supplements that could be used, e.g., in chemoprevention.
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Chen X, Han W, Wang G, Zhao X. Application prospect of polysaccharides in the development of anti-novel coronavirus drugs and vaccines. Int J Biol Macromol 2020; 164:331-343. [PMID: 32679328 PMCID: PMC7358770 DOI: 10.1016/j.ijbiomac.2020.07.106] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 07/10/2020] [Indexed: 12/13/2022]
Abstract
Since the outbreak of the novel coronavirus disease COVID-19, caused by the SARS-CoV-2 virus, it has spread rapidly worldwide and poses a great threat to public health. This is the third serious coronavirus outbreak in <20 years, following SARS in 2002-2003 and MERS in 2012. So far, there are almost no specific clinically effective drugs and vaccines available for COVID-19. Polysaccharides with good safety, immune regulation and antiviral activity have broad application prospects in anti-virus, especially in anti-coronavirus applications. Here, we reviewed the antiviral mechanisms of some polysaccharides, such as glycosaminoglycans, marine polysaccharides, traditional Chinese medicine polysaccharides, and their application progress in anti-coronavirus. In particular, the application prospects of polysaccharide-based vaccine adjuvants, nanomaterials and drug delivery systems in the fight against novel coronavirus were also analyzed and summarized. Additionally, we speculate the possible mechanisms of polysaccharides anti-SARS-CoV-2, and propose the strategy of loading S or N protein from coronavirus onto polysaccharide capped gold nanoparticles vaccine for COVID-19 treatment. This review may provide a new approach for the development of COVID-19 therapeutic agents and vaccines.
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Affiliation(s)
- Xiangyan Chen
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, Qingdao 266003, China,Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Wenwei Han
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, Qingdao 266003, China,Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Guixiang Wang
- College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Xia Zhao
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
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20
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Bi Q, Gu W, Meng F, Yang X, Zeng L, Liang L, Yang M, Zhang T, Yu J. Pharmacological and metagenomics evidence of polysaccharide from Polygonum multiflorum in the alleviation of insulin resistance. Int J Biol Macromol 2020; 164:1070-1079. [PMID: 32687904 DOI: 10.1016/j.ijbiomac.2020.07.085] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/11/2020] [Accepted: 07/09/2020] [Indexed: 12/18/2022]
Abstract
Total polysaccharide from Polygonum multiflorum (PS) and 2,3,5,4'-tetrahydroxy-stilbene-2-O-β-D-glucoside (TSG) could relieve high-fat and high-sugar diet (HF-HSD) induced rats' insulin resistance (IR) by gut microbiota and host regulation. We found that PS and TSG significantly reversed the increase of fasting blood glucose and the decrease of glucose tolerance in HF-HSD induced IR rats. PS and TSG effectively reversed the imbalance of Firmicutes/Bacteroides caused by an HF-HSD, and significantly reduced the relative abundance of Proteobacteria. It also affected the functional genes of gut microbiota and regulated short-chain fatty acids (SCFAs) and its downstream signal protein molecules. Together, these results indicated that PS and TSG alleviated HF-HSD induced IR by promoting gut microbiota and host function. Thus, PS and TSG may be promising lead substances for developing IR inhibitors that could regulate gut microbiota and its molecular messenger SCFAs to remedy IR.
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Affiliation(s)
- Qian Bi
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Wen Gu
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Fanying Meng
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Xingxin Yang
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Linxi Zeng
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Li Liang
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Min Yang
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Ting Zhang
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Jie Yu
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming 650500, China.
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21
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Zhu J, Yu C, Han Z, Chen Z, Wei X, Wang Y. Comparative analysis of existence form for selenium and structural characteristics in artificial selenium-enriched and synthetic selenized green tea polysaccharides. Int J Biol Macromol 2020; 154:1408-1418. [DOI: 10.1016/j.ijbiomac.2019.11.022] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 10/23/2019] [Accepted: 11/05/2019] [Indexed: 02/06/2023]
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22
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Effects of Lentinan on Endothelial Cell Activity, Inflammatory Response, Endoplasmic Reticulum Stress, and Apoptosis in Sepsis. ADVANCES IN POLYMER TECHNOLOGY 2020. [DOI: 10.1155/2020/1640208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aim of this study is to explore the protective effects of lentinan on endoplasmic reticulum stress, inflammation, and apoptosis in sepsis endothelial cells. Firstly, lentinan was extracted, purified, and analyzed. When the concentration of lentinan was in the range of 0.04–4 μM, there was no obvious effect on the morphology of HUVECs. When the concentration reached 10 M, the cells were obviously contracted and necrotic. CCK-8 cell activity experiment showed that when the concentration of lentinan reached 4 μM, the cell activity decreased significantly (P<0.001), and it was in a dose-dependent manner. Then, the cells were divided into the control group (0 μM lentinan), sepsis group, sepsis + lentinan 1.2 μM group, and sepsis + lentinan 2 μM group. Enzyme-linked immunosorbent assay showed that lentinan could significantly reduce the expression of TNF-α, IL-1β, and IL-6 in sepsis endothelial cells (P<0.001). In addition, flow cytometry and TUNEL staining showed that compared with the control group, the apoptosis of cells in the sepsis group increased significantly (P<0.001), and lentinan could inhibit apoptosis (P<0.001). In terms of mechanism research, the mRNA and protein expression of endoplasmic reticulum stress-related protein in endothelial cells were detected by real-time fluorescent quantitative PCR (qPCR) and Western blotting, respectively. It was found that the expression of SIRT1, the upstream factors of endoplasmic reticulum stress in sepsis cells, was obviously inhibited (P<0.001), and the expression of CHOP, GRP78, IRE1α, and ATF6 was significantly increased (P<0.001), However, the pretreatment of lentinan could significantly reverse the above changes (P<0.001). Besides, lentinan could also reduce the expression of phosphorylated p65 protein (the activation marker of NF-κb) and iNOS. Conclusion. When sepsis occurs, lentinan can protect endothelial cells from ERS inflammation and apoptosis induced by sepsis. Thus, lentinan is expected to be a new target for the treatment of sepsis-induced endothelial damage.
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Chemically modified polysaccharides: Synthesis, characterization, structure activity relationships of action. Int J Biol Macromol 2019; 132:970-977. [DOI: 10.1016/j.ijbiomac.2019.03.213] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/22/2019] [Accepted: 03/27/2019] [Indexed: 11/19/2022]
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Cheng L, Wang Y, He X, Wei X. Preparation, structural characterization and bioactivities of Se-containing polysaccharide: A review. Int J Biol Macromol 2018; 120:82-92. [DOI: 10.1016/j.ijbiomac.2018.07.106] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 07/11/2018] [Accepted: 07/16/2018] [Indexed: 12/17/2022]
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25
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Ren G, Xu L, Lu T, Zhang Y, Wang Y, Yin J. Protective effects of lentinan on lipopolysaccharide induced inflammatory response in intestine of juvenile taimen (Hucho taimen, Pallas). Int J Biol Macromol 2018; 121:317-325. [PMID: 30248420 DOI: 10.1016/j.ijbiomac.2018.09.121] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 09/19/2018] [Accepted: 09/20/2018] [Indexed: 02/07/2023]
Abstract
Antioxidant effects of lentinan on LPS induced inflammatory response in intestine of juvenile taimen were evaluated, and its prebiotic-like efficacy on intestinal microbiota was also investigated. The results showed that LPS decreased the activities of antioxidant enzymes and increased the expression levels of inflammatory cytokines in intestine of juvenile taimen. Dietary lentinan significantly enhanced intestinal antioxidant ability by increasing the activities of SOD, GSH-Px and CAT, and inhibiting the lipid peroxidation in juvenile taimen. Appropriate lentinan prevented the increases in the expression levels of TGF-β, TNF-α, IL1β, IL6 and IL8 and ensured the relatively high expression levels of claudin d, SOD, CAT and IκBα after LPS challenge. Furthermore, dietary lentinan effectively modified intestinal microbiota, represented by increasing the relative abundance of beneficial bacteria such as Lactobacillaceae, Lachnospiraceae and Ruminococcaceae, and decreasing those of detrimental bacteria such as Enterobacteriaceae, Fusobacteriaceae and Flavobacteriaceae. Taken together, dietary lentinan availably decreased LPS induced inflammatory response, indicating that lentinan has the potential anti-inflammatory effects for preventing inflammation diseases in cold-water fish.
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Affiliation(s)
- Guangming Ren
- Heilongjiang River Fishery Research Institute Chinese Academy of Fishery Sciences, Harbin 150070, PR China
| | - Liming Xu
- Heilongjiang River Fishery Research Institute Chinese Academy of Fishery Sciences, Harbin 150070, PR China
| | - Tongyan Lu
- Heilongjiang River Fishery Research Institute Chinese Academy of Fishery Sciences, Harbin 150070, PR China
| | - Yongquan Zhang
- Heilongjiang River Fishery Research Institute Chinese Academy of Fishery Sciences, Harbin 150070, PR China
| | - Yuanyuan Wang
- Heilongjiang River Fishery Research Institute Chinese Academy of Fishery Sciences, Harbin 150070, PR China
| | - Jiasheng Yin
- Heilongjiang River Fishery Research Institute Chinese Academy of Fishery Sciences, Harbin 150070, PR China.
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Ren G, Xu L, Lu T, Yin J. Structural characterization and antiviral activity of lentinan from Lentinus edodes mycelia against infectious hematopoietic necrosis virus. Int J Biol Macromol 2018; 115:1202-1210. [DOI: 10.1016/j.ijbiomac.2018.04.132] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 12/25/2017] [Accepted: 04/24/2018] [Indexed: 12/20/2022]
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27
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The characterization, selenylation and antidiabetic activity of mycelial polysaccharides from Catathelasma ventricosum. Carbohydr Polym 2017; 174:72-81. [DOI: 10.1016/j.carbpol.2017.06.050] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 06/12/2017] [Accepted: 06/13/2017] [Indexed: 01/06/2023]
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28
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Effects of selenizing modification on characteristics and antioxidant activities of Inonotus obliquus polysaccharide. Macromol Res 2017. [DOI: 10.1007/s13233-017-5030-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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29
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Ren G, Yu M, Li K, Hu Y, Wang Y, Xu X, Qu J. Seleno-lentinan prevents chronic pancreatitis development and modulates gut microbiota in mice. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.01.035] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
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