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Chen X, Zhang J, Wang Y, Hu Q, Zhao R, Zhong L, Zhan Q, Zhao L. Structure and immunostimulatory activity studies on two novel Flammulina velutipes polysaccharides: revealing potential impacts of →6)-α-D-Glc p(1→ on the TLR-4/MyD88/NF-κB pathway. Food Funct 2024; 15:3507-3521. [PMID: 38465397 DOI: 10.1039/d3fo05468c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Two novel Flammulina velutipes (F. velutipes) polysaccharides, FVPH1 and FVPH2, were isolated and purified after hot water extraction. The structural characterization revealed that the backbone of FVPH1 consisted mainly of →6)-α-D-Glcp(1→, →3,4)-α-D-Galp(1→, →4)-α-L-Fucp(1→, and →4)-β-D-Manp(1→, while the backbone of FVPH2 consisted of →3)-α-D-Galp(1→, →3,4)-α-D-Manp(1→,→6)-α-D-Glcp(1→. The branches of FVPH1 contained →6)-α-D-Glcp(1→ and α-D-Glcp(1→ and the branches of FVPH2 consisted of →3)-α-D-Galp(1→, →6)-α-D-Glcp(1→, and β-L-Fucp(1→. FVPH2 exhibited significantly better immunostimulatory activity than FVPH1 (P < 0.05), as evidenced by the increased expression of NO, IL-1β, IL-6, and TNF-α and pinocytic activity of RAW264.7 cells. As the most abundant structure in the polysaccharides of F. velutipes, the content of →6)-α-D-Glcp(1→ might play a crucial role in influencing the immunostimulatory activity of F. velutipes polysaccharides. The F. velutipes polysaccharide with a lower content of →6)-α-D-Glcp(1→ and a higher branching degree could significantly enhance the immunostimulatory activity of F. velutipes polysaccharides via activating the TLR-4/MyD88/NF-κB pathway more effectively.
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Affiliation(s)
- Xin Chen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P. R. China.
| | - Jingsi Zhang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P. R. China.
| | - Yifan Wang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P. R. China.
| | - Qiuhui Hu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P. R. China.
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210023, P. R. China
| | - Ruiqiu Zhao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P. R. China.
- College of Animal Science and Food Engineering, Jinling Institute of Technology, Nanjing 210095, P. R. China
| | - Lei Zhong
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P. R. China.
| | - Qiping Zhan
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P. R. China.
| | - Liyan Zhao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P. R. China.
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Wang Y, Pang C, Mohammad-Beigi H, Li X, Wu Y, Lin MKTH, Bai Y, Møller MS, Svensson B. Sequential starch modification by branching enzyme and 4-α-glucanotransferase improves retention of curcumin in starch-alginate beads. Carbohydr Polym 2024; 323:121387. [PMID: 37940281 DOI: 10.1016/j.carbpol.2023.121387] [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: 06/01/2023] [Revised: 08/30/2023] [Accepted: 09/11/2023] [Indexed: 11/10/2023]
Abstract
A new super-branched amylopectin with longer exterior chains was produced from normal maize starch by modification with branching enzyme followed by 4-α-glucanotransferase, and applied for co-entrapment of a curcumin-loaded emulsion in alginate beads. The network structure of the gel beads was obtained with Ca2+-cross-linked alginate and a modest load of retrograded starch. The dual enzyme modified starch contained more and longer α-1,6-linked branch chains than single enzyme modified and unmodified starches and showed superior resistance to digestive enzymes. Alginate beads with or without starch were of similar size (1.69-1.74 mm), but curcumin retention was improved 1.4-2.8-fold in the presence of different starches. Thus, subjecting the curcumin-loaded beads to in vitro simulated gastrointestinal digestion resulted in retention of 70, 43 and 22 % of the curcumin entrapped in the presence of modified, unmodified, or no starch, respectively. Molecular docking provided support for curcumin interacting with starch via hydrogen bonding, hydrophobic contacts and π-π stacking. The study highlights the potential of utilizing low concentration of dual-enzyme modified starch with alginate to create a versatile vehicle for controlled release and targeted delivery of bioactive compounds.
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Affiliation(s)
- Yu Wang
- Enzyme and Protein Chemistry, Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Chengfang Pang
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
| | - Hossein Mohammad-Beigi
- Enzyme and Protein Chemistry, Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Xiaoxiao Li
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Yazhen Wu
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Marie Karen Tracy Hong Lin
- National Center for Nanofabrication and Characterization, Technical University of Denmark, Kgs. Lyngby DK-2800, Denmark
| | - Yuxiang Bai
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Marie Sofie Møller
- Applied Molecular Enzyme Chemistry, Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark.
| | - Birte Svensson
- Enzyme and Protein Chemistry, Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark.
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Chen L, Zhao N, McClements DJ, Hamaker BR, Miao M. Advanced dendritic glucan-derived biomaterials: From molecular structure to versatile applications. Compr Rev Food Sci Food Saf 2023; 22:4107-4146. [PMID: 37350042 DOI: 10.1111/1541-4337.13201] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 05/30/2023] [Accepted: 06/05/2023] [Indexed: 06/24/2023]
Abstract
There is considerable interest in the development of advanced biomaterials with improved or novel functionality for diversified applications. Dendritic glucans, such as phytoglycogen and glycogen, are abundant biomaterials with highly branched three-dimensional globular architectures, which endow them with unique structural and functional attributes, including small size, large specific surface area, high water solubility, low viscosity, high water retention, and the availability of numerous modifiable surface groups. Dendritic glucans can be synthesized by in vivo biocatalysis reactions using glucosyl-1-phosphate as a substrate, which can be obtained from plant, animal, or microbial sources. They can also be synthesized by in vitro methods using sucrose or starch as a substrate, which may be more suitable for large-scale industrial production. The large numbers of hydroxyl groups on the surfaces of dendritic glucan provide a platform for diverse derivatizations, including nonreducing end, hydroxyl functionalization, molecular degradation, and conjugation modifications. Due to their unique physicochemical and functional attributes, dendritic glucans have been widely applied in the food, pharmaceutical, biomedical, cosmetic, and chemical industries. For instance, they have been used as delivery systems, adsorbents, tissue engineering scaffolds, biosensors, and bioelectronic components. This article reviews progress in the design, synthesis, and application of dendritic glucans over the past several decades.
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Affiliation(s)
- Long Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Ningjing Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - David J McClements
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
| | - Bruce R Hamaker
- Whistler Center for Carbohydrate Research, Purdue University, West Lafayette, Indiana, USA
| | - Ming Miao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
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Li X, Wang Y, Wu J, Jin Z, Dijkhuizen L, Svensson B, Bai Y. Designing starch derivatives with desired structures and functional properties via rearrangements of glycosidic linkages by starch-active transglycosylases. Crit Rev Food Sci Nutr 2023:1-14. [PMID: 37051937 DOI: 10.1080/10408398.2023.2198604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
Modification of starch by transglycosylases from glycoside hydrolase families has attracted much attention recently; these enzymes can produce starch derivatives with novel properties, i.e. processability and functionality, employing highly efficient and safe methods. Starch-active transglycosylases cleave starches and transfer linear fragments to acceptors introducing α-1,4 and/or linear/branched α-1,6 glucosidic linkages, resulting in starch derivatives with excellent properties such as complexing and resistance to digestion characteristics, and also may be endowed with new properties such as thermo-reversible gel formation. This review summarizes the effects of variations in glycosidic linkage composition on structure and properties of modified starches. Starch-active transglycosylases are classified into 4 groups that form compounds: (1) in cyclic with α-1,4 glucosidic linkages, (2) with linear chains of α-1,4 glucosidic linkages, (3) with branched α-1,6 glucosidic linkages, and (4) with linear chains of α-1,6 glucosidic linkages. We discuss potential processability and functionality of starch derivatives with different linkage combinations and structures. The changes in properties caused by rearrangements of glycosidic linkages provide guidance for design of starch derivatives with desired structures and properties, which promotes the development of new starch products and starch processing for the food industry.
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Affiliation(s)
- Xiaoxiao Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Yu Wang
- Enzyme and Protein Chemistry, Department of Biotechnology and Biomedicine, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Jing Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, China
| | - Zhengyu Jin
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Lubbert Dijkhuizen
- CarbExplore Research B.V, Groningen, The Netherlands
- Microbiology, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, Groningen, The Netherlands
| | - Birte Svensson
- Enzyme and Protein Chemistry, Department of Biotechnology and Biomedicine, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Yuxiang Bai
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
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Liu J, Wang Y, Li X, Jin Z, Svensson B, Bai Y. Effect of Starch Primers on the Fine Structure of Enzymatically Synthesized Glycogen-like Glucan. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6202-6212. [PMID: 35549341 DOI: 10.1021/acs.jafc.2c00152] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Glycogen-like glucan (GnG) is a unique hyperbranched polysaccharide nanoparticle which is drawing increasing attention due to its biodegradability and abundant short branches that can be functionalized. Because starch and GnG are both composed of glucose residues and have similar glucosidic bonds, GnG could be fabricated by sucrose phosphorylase, α-glucan phosphorylase, and branching enzymes from starch primers and sucrose. In this study, high-amylose starch, normal starch, and waxy corn starch were used as primers to synthesize GnG, and their impact on the fine structure of GnG was investigated. Structural analysis indicated that with increasing content of amylopectin in the starch primer, the proportion of short chains in GnG decreased, and the degree of β-amylolysis and α-amylolysis was enhanced. Amylose in the primer contributed to a compact and homogeneous structure of GnG, while amylopectin triggered the formation of branch points with a more open distribution. These findings provide a new strategy for regulating the fine structure of GnG.
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Affiliation(s)
- Jialin Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Yanli Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Xiaoxiao Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Zhengyu Jin
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Birte Svensson
- International Joint Research Laboratory for Starch Related Enzyme at Jiangnan University, Wuxi, Jiangsu 214122, China
- Enzyme and Protein Chemistry, Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
| | - Yuxiang Bai
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
- International Joint Research Laboratory for Starch Related Enzyme at Jiangnan University, Wuxi, Jiangsu 214122, China
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Tian J, Zhang C, Wang X, Rui X, Zhang Q, Chen X, Dong M, Li W. Structural characterization and immunomodulatory activity of intracellular polysaccharide from the mycelium of Paecilomyces cicadae TJJ1213. Food Res Int 2021; 147:110515. [PMID: 34399493 DOI: 10.1016/j.foodres.2021.110515] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 05/21/2021] [Accepted: 06/09/2021] [Indexed: 12/14/2022]
Abstract
Two intracellular polysaccharide fractions (IPS1 and IPS2) were obtained from the mycelium of Paecilomyces cicadae TJJ1213, and the structures were conducted. Results showed that they were homogenous with the average molecular weight of 2.40 × 106 Da and 6.79 × 105 Da. Two fractions were composed of mannose, glucose and galactose with molar ratios of 1.35: 6.93: 1.0 and 2.04: 1.0: 1.87, respectively. The backbone of IPS1 was → 4)-α-D-Glcp (1 → and → 3,4)-α-D-Manp (1 → residues with a side chain consisted of T-α-D-Galp. IPS2 was consisted of → 4)-α-D-Glcp-(1→, →3,4)-α-D-Manp-(1 → and → 2,6)-α-D-Manp-(1 → residues and the branches were also consisted of T-α-D-Galp. In addition, the scanning electron microscope and atomic force microscope images presented different features of IPS1 and IPS2, respectively. Furthermore, two fractions exhibited better immunomodulatory effects. They could markedly promote the proliferation of RAW264.7 cells and enhance phagocytosis, nitric oxide release and cytokines production. These results indicated that IPS1 and IPS2 had potential to enhance immune responses.
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Affiliation(s)
- Juanjuan Tian
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Cangping Zhang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Xiaomeng Wang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Xin Rui
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Qiuqin Zhang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Xiaohong Chen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Mingsheng Dong
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Wei Li
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China.
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Liang Y, Liu C, Yan S, Wang P, Wu B, Jiang C, Li X, Liu Y, Li X. A novel polysaccharide from plant fermentation extracts and its immunomodulatory activity in macrophage RAW264.7 cells. FOOD AGR IMMUNOL 2021. [DOI: 10.1080/09540105.2021.1874884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Affiliation(s)
- Yan Liang
- School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, People’s Republic of China
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua, People’s Republic of China
| | - Chunhua Liu
- Chinese Academy of Sciences, Shenzhen Institutes of Advanced Technology, Shenzhen, People’s Republic of China
| | - Shuxia Yan
- Chinese Academy of Sciences, Shenzhen Institutes of Advanced Technology, Shenzhen, People’s Republic of China
| | - Pu Wang
- Chinese Academy of Sciences, Shenzhen Institutes of Advanced Technology, Shenzhen, People’s Republic of China
| | - Binbin Wu
- School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, People’s Republic of China
- Chinese Academy of Sciences, Shenzhen Institutes of Advanced Technology, Shenzhen, People’s Republic of China
| | - Chengzi Jiang
- Chinese Academy of Sciences, Shenzhen Institutes of Advanced Technology, Shenzhen, People’s Republic of China
| | - Xiaoqing Li
- Chinese Academy of Sciences, Shenzhen Institutes of Advanced Technology, Shenzhen, People’s Republic of China
| | - Yanwen Liu
- Chinese Academy of Sciences, Shenzhen Institutes of Advanced Technology, Shenzhen, People’s Republic of China
| | - Xiang Li
- Chinese Academy of Sciences, Shenzhen Institutes of Advanced Technology, Shenzhen, People’s Republic of China
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Shoda SI, Uyama H, Kadokawa JI, Kimura S, Kobayashi S. Enzymes as Green Catalysts for Precision Macromolecular Synthesis. Chem Rev 2016; 116:2307-413. [PMID: 26791937 DOI: 10.1021/acs.chemrev.5b00472] [Citation(s) in RCA: 303] [Impact Index Per Article: 37.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The present article comprehensively reviews the macromolecular synthesis using enzymes as catalysts. Among the six main classes of enzymes, the three classes, oxidoreductases, transferases, and hydrolases, have been employed as catalysts for the in vitro macromolecular synthesis and modification reactions. Appropriate design of reaction including monomer and enzyme catalyst produces macromolecules with precisely controlled structure, similarly as in vivo enzymatic reactions. The reaction controls the product structure with respect to substrate selectivity, chemo-selectivity, regio-selectivity, stereoselectivity, and choro-selectivity. Oxidoreductases catalyze various oxidation polymerizations of aromatic compounds as well as vinyl polymerizations. Transferases are effective catalysts for producing polysaccharide having a variety of structure and polyesters. Hydrolases catalyzing the bond-cleaving of macromolecules in vivo, catalyze the reverse reaction for bond forming in vitro to give various polysaccharides and functionalized polyesters. The enzymatic polymerizations allowed the first in vitro synthesis of natural polysaccharides having complicated structures like cellulose, amylose, xylan, chitin, hyaluronan, and chondroitin. These polymerizations are "green" with several respects; nontoxicity of enzyme, high catalyst efficiency, selective reactions under mild conditions using green solvents and renewable starting materials, and producing minimal byproducts. Thus, the enzymatic polymerization is desirable for the environment and contributes to "green polymer chemistry" for maintaining sustainable society.
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Affiliation(s)
- Shin-ichiro Shoda
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University , Aoba-ku, Sendai 980-8579, Japan
| | - Hiroshi Uyama
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University , Yamadaoka, Suita 565-0871, Japan
| | - Jun-ichi Kadokawa
- Department of Chemistry, Biotechnology, and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University , Korimoto, Kagoshima 890-0065, Japan
| | - Shunsaku Kimura
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University , Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Shiro Kobayashi
- Center for Fiber & Textile Science, Kyoto Institute of Technology , Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
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Takata Y, Shimohigoshi R, Yamamoto K, Kadokawa JI. Enzymatic Synthesis of Dendritic Amphoteric α-Glucans by Thermostable Phosphorylase Catalysis. Macromol Biosci 2014; 14:1437-43. [DOI: 10.1002/mabi.201400204] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Revised: 05/13/2014] [Indexed: 11/11/2022]
Affiliation(s)
- Yusei Takata
- Department of Chemistry, Biotechnology, and Chemical Engineering; Graduate School of Science and Engineering, Kagoshima University; 1-21-40 Korimoto Kagoshima 890-0065 Japan
| | - Riko Shimohigoshi
- Department of Chemistry, Biotechnology, and Chemical Engineering; Graduate School of Science and Engineering, Kagoshima University; 1-21-40 Korimoto Kagoshima 890-0065 Japan
| | - Kazuya Yamamoto
- Department of Chemistry, Biotechnology, and Chemical Engineering; Graduate School of Science and Engineering, Kagoshima University; 1-21-40 Korimoto Kagoshima 890-0065 Japan
| | - Jun-Ichi Kadokawa
- Department of Chemistry, Biotechnology, and Chemical Engineering; Graduate School of Science and Engineering, Kagoshima University; 1-21-40 Korimoto Kagoshima 890-0065 Japan
- Research Center for Environmentally Friendly Materials Engineering; Muroran Institute of Technology; 27-1 Mizumoto-cho Muroran Hokkaido 050-8585 Japan
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Kakutani R, Adachi Y, Kajiura H, Takata H, Kuriki T, Ohno N. The effect of orally administered glycogen on anti-tumor activity and natural killer cell activity in mice. Int Immunopharmacol 2012; 12:80-7. [DOI: 10.1016/j.intimp.2011.10.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2011] [Revised: 10/16/2011] [Accepted: 10/27/2011] [Indexed: 11/29/2022]
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Kakutani R, Adachi Y, Takata H, Kuriki T, Ohno N. Essential role of Toll-like receptor 2 in macrophage activation by glycogen. Glycobiology 2011; 22:146-59. [DOI: 10.1093/glycob/cwr122] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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13
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In vitro synthesis of glycogen: the structure, properties, and physiological function of enzymatically-synthesized glycogen. Biologia (Bratisl) 2011. [DOI: 10.2478/s11756-011-0053-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Kajiura H, Takata H, Kuriki T, Kitamura S. Structure and solution properties of enzymatically synthesized glycogen. Carbohydr Res 2010; 345:817-24. [DOI: 10.1016/j.carres.2010.01.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2009] [Revised: 01/20/2010] [Accepted: 01/21/2010] [Indexed: 10/19/2022]
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Kajiura H, Takata H, Akiyama T, Ueyama R, Kakutani R, Furuyashiki T, Kojima I, Takeda R, Kuriki T. A New Method for in vitro Glycogen Synthesis, and the Structure and Properties of the Synthesized Glycogen. J Appl Glycosci (1999) 2010. [DOI: 10.5458/jag.57.105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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16
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Takata H, Kakutani R, Kuriki T, Adachi Y, Kajiura H, Akiyama T, Furuyashiki T, Ohno N. A New Method for In Vitro Glycogen Synthesis and Immunostimulating Activity of Glycogen. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2009. [DOI: 10.1201/9781420077070.ch27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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17
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Takata H, Kajiura H, Furuyashiki T, Kakutani R, Kuriki T. Fine structural properties of natural and synthetic glycogens. Carbohydr Res 2009; 344:654-9. [DOI: 10.1016/j.carres.2009.01.008] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2008] [Revised: 12/16/2008] [Accepted: 01/13/2009] [Indexed: 10/21/2022]
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