151
|
Schröder SP, Petracca R, Minnee H, Artola M, Aerts JMFG, Codée JDC, van der Marel GA, Overkleeft HS. A Divergent Synthesis ofl-arabino- andd-xylo-Configured Cyclophellitol Epoxides and Aziridines. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600983] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Sybrin P. Schröder
- Department of Bio-organic Synthesis; Leiden Institute of Chemistry; Leiden University; Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Rita Petracca
- Department of Bio-organic Synthesis; Leiden Institute of Chemistry; Leiden University; Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Hugo Minnee
- Department of Bio-organic Synthesis; Leiden Institute of Chemistry; Leiden University; Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Marta Artola
- Department of Bio-organic Synthesis; Leiden Institute of Chemistry; Leiden University; Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Johannes M. F. G. Aerts
- Department of Medical Biochemistry; Leiden Institute of Chemistry; Leiden University; Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Jeroen D. C. Codée
- Department of Bio-organic Synthesis; Leiden Institute of Chemistry; Leiden University; Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Gijsbert A. van der Marel
- Department of Bio-organic Synthesis; Leiden Institute of Chemistry; Leiden University; Einsteinweg 55 2333 CC Leiden The Netherlands
| | - Herman S. Overkleeft
- Department of Bio-organic Synthesis; Leiden Institute of Chemistry; Leiden University; Einsteinweg 55 2333 CC Leiden The Netherlands
| |
Collapse
|
152
|
Affiliation(s)
- Kevin Ita
- College of Pharmacy, Touro University, Mare Island-Vallejo, California, CA, USA
| |
Collapse
|
153
|
Waghulde MR, Naik JB. Poly-e-caprolactone-loaded miglitol microspheres for the treatment of type-2 diabetes mellitus using the response surface methodology. J Taibah Univ Med Sci 2016. [DOI: 10.1016/j.jtumed.2016.03.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
|
154
|
Panda A, Biswas RG, Pal S. A unified and common intermediate strategy for the asymmetric total synthesis of 3-deoxy-neo-inositol and conduritol E. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.06.127] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
|
155
|
Porcine pancreatic α-amylase inhibitors from Euonymus laxiflorus Champ. RESEARCH ON CHEMICAL INTERMEDIATES 2016. [DOI: 10.1007/s11164-016-2619-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
156
|
Sellami S, Jamoussi K. Investigation of larvae digestive β-glucosidase and proteases of the tomato pest Tuta absoluta for inhibiting the insect development. BULLETIN OF ENTOMOLOGICAL RESEARCH 2016; 106:406-414. [PMID: 26898349 DOI: 10.1017/s0007485316000079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The tomato leaf miner Tuta absoluta is one of the most devastating pests for tomato crops. Digestive proteases and β-glucosidase enzymes were investigated using general and specific substrates and inhibitors. Maximal β-glucosidase and proteolytic activities occurred at temperature and pH optima of 30 and 40°C, 5 and 10-11 unit of pH, respectively. Zymogram analysis showed the presence of distinguished β-glucosidase exhibiting a specific activity of about 183 ± 15 µmol min-1 mg-1. In vitro inhibition experiments suggested that serine proteases were the primary gut proteases. Gel based protease inhibition assays demonstrated that the 28 and 73 kDa proteases might be trypsin-like and chymotrypsin-like enzymes, respectively. Overall gut trypsin-like and chymotrypsin-like activities were evaluated to be about 27.2 ± 0.84 and 1.68 ± 0.03 µmol min-1 mg-1, respectively. Sodium dodecyl sulfate polyacrylamide gel electrophoresis analysis showed that T. absoluta gut serine proteases are responsible for Bacillus thuringiensis Cry insecticidal proteins proteolysis. Additionally, bioassays showed that T. absoluta larvae development was more affected by the β-glucosidases inhibitor (D-glucono-δ-lactone) than the serine proteases inhibitor (soybean trypsin inhibitor). These results are of basic interest since they present interesting data of β-glucosidases and gut serine proteases of T. absoluta larvae.
Collapse
Affiliation(s)
- S Sellami
- Laboratory of Biopesticides,Centre of Biotechnology of Sfax,University of Sfax,P.O. Box 1177,3018 Sfax,Tunisia
| | - K Jamoussi
- Laboratory of Biopesticides,Centre of Biotechnology of Sfax,University of Sfax,P.O. Box 1177,3018 Sfax,Tunisia
| |
Collapse
|
157
|
Worawalai W, Sompornpisut P, Wacharasindhu S, Phuwapraisirisan P. Voglibose-inspired synthesis of new potent α-glucosidase inhibitors N-1,3-dihydroxypropylaminocyclitols. Carbohydr Res 2016; 429:155-62. [DOI: 10.1016/j.carres.2016.04.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Revised: 04/08/2016] [Accepted: 04/09/2016] [Indexed: 11/28/2022]
|
158
|
Molecular basis for the affinity and specificity in the binding of five-membered iminocyclitols with glycosidases: an experimental and theoretical synergy. Carbohydr Res 2016; 429:87-97. [DOI: 10.1016/j.carres.2016.03.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 03/14/2016] [Accepted: 03/15/2016] [Indexed: 11/20/2022]
|
159
|
Extraction Optimization, Preliminary Characterization and Bioactivities in Vitro of Ligularia hodgsonii Polysaccharides. Int J Mol Sci 2016; 17:ijms17050788. [PMID: 27213369 PMCID: PMC4881604 DOI: 10.3390/ijms17050788] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 05/06/2016] [Accepted: 05/10/2016] [Indexed: 01/21/2023] Open
Abstract
The optimization extraction, preliminary characterization and bioactivities of Ligularia hodgsonii polysaccharides were investigated. Based on single-factor experiments and orthogonal array test, the optimum extraction conditions were obtained as follows: extraction time 3 h, temperature 85 °C, water/raw material ratio 36. Further Sevag deproteinization and dialysis yielded the dialyzed Ligularia hodgsonii polysaccharides (DLHP, 19.2 ± 1.4 mg/g crude herb). Compositional analysis, size-exclusion chromatography connected with multi-angle laser light-scattering and refractive index (SEC-MALLS-RI), Fourier transform infrared (FT-IR) and 1H nuclear magnetic resonance (NMR) spectroscopy were employed for characterization of the polysaccharides. DLHP was found to have a major component with a weight-average molecular weight of 1.17 × 105 Da, mainly comprising of glucose, galactose, arabinose, mannose, rhamnose, glucuronic acid and galacturonic acid. By in vitro antioxidant activity assays, DLHP presented remarkable scavenging capacities towards 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2′-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) and hydroxyl radicals, and ferrous ions chelating ability. Moreover, it exhibited appreciable anti-hyperglycemic activity as demonstrated by differential inhibition of α-glucosidase and α-amylase. The results indicated that DLHP could potentially be a resource for antioxidant and hypoglycemic agents.
Collapse
|
160
|
Metal complexes of anthranilic acid derivatives: A new class of non-competitive α-glucosidase inhibitors. CHINESE CHEM LETT 2016. [DOI: 10.1016/j.cclet.2016.01.052] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
|
161
|
Taha M, Ismail NH, Imran S, Wadood A, Rahim F, Saad SM, Khan KM, Nasir A. Synthesis, molecular docking and α-glucosidase inhibition of 5-aryl-2-(6'-nitrobenzofuran-2'-yl)-1,3,4-oxadiazoles. Bioorg Chem 2016; 66:117-23. [PMID: 27149363 DOI: 10.1016/j.bioorg.2016.04.006] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 04/18/2016] [Accepted: 04/26/2016] [Indexed: 11/17/2022]
Abstract
Twenty derivatives of 5-aryl-2-(6'-nitrobenzofuran-2'-yl)-1,3,4-oxadiazoles (1-20) were synthesized and evaluated for their α-glucosidase inhibitory activities. Compounds containing hydroxyl and halogens (1-6, and 8-18) were found to be five to seventy folds more active with IC50 values in the range of 12.75±0.10-162.05±1.65μM, in comparison with the standard drug, acarbose (IC50=856.45±5.60μM). Current study explores the α-glucosidase inhibition of a hybrid class of compounds of oxadiazole and benzofurans. These findings may invite researchers to work in the area of treatment of hyperglycemia. Docking studies showed that most compounds are interacting with important amino acids Glu 276, Asp 214 and Phe 177 through hydrogen bonds and arene-arene interaction.
Collapse
Affiliation(s)
- Muhammad Taha
- Atta-ur-Rahman Institute for Natural Product Discovery, Universiti Teknologi MARA (UiTM), Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor, Malaysia; Faculty of Applied Science, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor, Malaysia.
| | - Nor Hadiani Ismail
- Atta-ur-Rahman Institute for Natural Product Discovery, Universiti Teknologi MARA (UiTM), Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor, Malaysia; Faculty of Applied Science, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor, Malaysia
| | - Syahrul Imran
- Atta-ur-Rahman Institute for Natural Product Discovery, Universiti Teknologi MARA (UiTM), Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor, Malaysia; Faculty of Applied Science, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor, Malaysia
| | - Abdul Wadood
- Computational Medicinal Chemistry Laboratory, Department of Biochemistry, Abdul Wali Khan University, Mardan, Mardan 23200, Pakistan
| | - Fazal Rahim
- Department of Chemistry, Hazara University, Mansehra, 21300, Pakistan
| | - Syed Muhammad Saad
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Khalid Mohammed Khan
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Abdul Nasir
- Computational Medicinal Chemistry Laboratory, Department of Biochemistry, Abdul Wali Khan University, Mardan, Mardan 23200, Pakistan
| |
Collapse
|
162
|
Zamoner LOB, Aragão-Leoneti V, Mantoani SP, Rugen MD, Nepogodiev SA, Field RA, Carvalho I. CuAAC click chemistry with N-propargyl 1,5-dideoxy-1,5-imino-D-gulitol and N-propargyl 1,6-dideoxy-1,6-imino-D-mannitol provides access to triazole-linked piperidine and azepane pseudo-disaccharide iminosugars displaying glycosidase inhibitory properties. Carbohydr Res 2016; 429:29-37. [PMID: 27160849 DOI: 10.1016/j.carres.2016.04.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Revised: 04/16/2016] [Accepted: 04/19/2016] [Indexed: 11/20/2022]
Abstract
Protecting group-free synthesis of 1,2:5,6-di-anhydro-D-mannitol, followed by ring opening with propargylamine and subsequent ring closure produced a separable mix of piperidine N-propargyl 1,5-dideoxy-1,5-imino-D-gulitol and azepane N-propargyl 1,6-dideoxy-1,6-imino-D-mannitol. In O-acetylated form, these two building blocks were subjected to CuAAC click chemistry with a panel of three differently azide-substituted glucose building blocks, producing iminosugar pseudo-disaccharides in good yield. The overall panel of eight compounds, plus 1-deoxynojirimycin (DNJ) as a benchmark, was evaluated as prospective inhibitors of almond β-glucosidase, yeast α-glucosidase and barley β-amylase. The iminosugar pseudo-disaccharides showed no inhibitory activity against almond β-glucosidase, while the parent N-propargyl 1,5-dideoxy-1,5-imino-D-gulitol and N-propargyl 1,6-dideoxy-1,6-imino-D-mannitol likewise proved to be inactive against yeast α-glucosidase. Inhibitory activity could be reinstated in the former series by appropriate substitution on nitrogen. The greater activity of the piperidine could be rationalized based on docking studies. Further, potent inhibition of β-amylase was observed with compounds from both the piperidine and azepane series.
Collapse
Affiliation(s)
- Luís Otávio B Zamoner
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café s/n, Monte Alegre, Ribeirão Preto 14040-930, Brazil
| | - Valquíria Aragão-Leoneti
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café s/n, Monte Alegre, Ribeirão Preto 14040-930, Brazil
| | - Susimaire P Mantoani
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café s/n, Monte Alegre, Ribeirão Preto 14040-930, Brazil
| | - Michael D Rugen
- Department of Biological Chemistry, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Sergey A Nepogodiev
- Department of Biological Chemistry, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Robert A Field
- Department of Biological Chemistry, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Ivone Carvalho
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café s/n, Monte Alegre, Ribeirão Preto 14040-930, Brazil.
| |
Collapse
|
163
|
Hadrich F, Bouallagui Z, Junkyu H, Isoda H, Sayadi S. The α-Glucosidase and α-Amylase Enzyme Inhibitory of Hydroxytyrosol and Oleuropein. J Oleo Sci 2016; 64:835-43. [PMID: 26235001 DOI: 10.5650/jos.ess15026] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
To date, numerous studies have reported on the antidiabetic properties of various plant extracts through inhibition of carbohydrate-hydrolysing enzymes. The objective of this research was to evaluate the inhibitory effect of the hydroxytyrosol and the oleuropein against α-amylase and α-glucosidase. The hydroxytyrosol was purified from olive leaves. The result shows that the hydroxytyrosol had the strongest α-glucosidase inhibitory effect with IC50 values of 150 μM with mild inhibition against α-amylase. The enzyme kinetic studies, using Lineweaver-Burk indicated that, in the presence of the hydroxytyrosol, the Michaelis-Menton constant (Km) remained constant but the maximal velocity (Vmax) decreased, revealing a non-competitive type of inhibition with inhibition constants; Ki for the formation of the inhibitor-enzyme complex and Kis for the formation of the inhibitor-enzyme-substrate complex of 104.3 and 150.1 μM, respectively. On the other hand, oleuropein showedan uncompetitive inhibition. The concentrations used in this work were below cytotoxic levels observed at 400 μM. However, at 600 μM, the hydroxytyrosol significantly decreased viability of the Caco-2 cells (p < 0.05) and in the case of the oleuropein, there's an increase in cell number compared to control (p < 0.05). These results suggest that the hydroxytyrosol and oleuropein are two potential effective α-glucosidase inhibitors for management of postprandial hyperglycemia.
Collapse
Affiliation(s)
- Fatma Hadrich
- Environmental Bioprocesses Laboratory, Laboratoire mixte international (LMI-ECOS-MED), Sfax Biotechnology Center
| | | | | | | | | |
Collapse
|
164
|
Taha M, Ismail NH, Imran S, Mohamad MH, Wadood A, Rahim F, Saad SM, Rehman AU, Khan KM. Synthesis, α-glucosidase inhibitory, cytotoxicity and docking studies of 2-aryl-7-methylbenzimidazoles. Bioorg Chem 2016; 65:100-9. [DOI: 10.1016/j.bioorg.2016.02.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 02/12/2016] [Accepted: 02/12/2016] [Indexed: 01/20/2023]
|
165
|
Ya'kobovitz MK, Butters TD, Cohen E. Inhibition of α-glucosidase activity by N-deoxynojirimycin analogs in several insect phloem sap feeders. INSECT SCIENCE 2016; 23:59-67. [PMID: 25900765 DOI: 10.1111/1744-7917.12229] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/08/2015] [Indexed: 06/04/2023]
Abstract
Secondary metabolites and synthetic iminosugars that structurally resemble monosaccharides are potent inhibitors of α-glucosidase activity. The enzyme is core in cleaving sucrose in phloem feeding insects and it also plays a crucial role of reducing osmotic stress via the formation of oligosaccharides. Inhibition of hydrolysis by iminosugars should result in nutritional deficiencies and/or disruption of normal osmoregulation. Deoxynojirimycin (DNJ) and 2 N-alkylated analogs [N-butyl DNJ (NB-DNJ) and N-nonyl DNJ (NN-DNJ)] were the major iminosugars used throughout the study. The extensive experiments conducted with α-glucosidase of the whitefly Bemisia tabaci indicated the competitive nature of inhibition and that the hydrophilic DNJ is a potent inhibitor in comparison to the more hydrophobic NB-DNJ and NN-DNJ compounds. The same inhibitory pattern was observed with the psyllid Cacopsylla bidens α-glucosidase. In contrast to the above pattern, enzymes of the aphids, Myzus persicae and Aphis gossypii were more sensitive to the hydrophobic iminosugars as compared to DNJ. In vivo experiments in which adult B. tabaci were fed dietary iminosugars, show that the hydrophilic DNJ was far less toxic than the lipophilic NB-DNJ and NN-DNJ. It is proposed that this pattern is attributed to the better accessibility of the hydrophobic NN-DNJ to the α-glucosidase membrane-bound compartment in the midgut. Based on the inhibitory effects of certain polyhydroxy N-alkylated iminosugars, α-glucosidase of phloem feeding hemipterans could serve as an attractive target site for developing novel pest control agents.
Collapse
Affiliation(s)
- Marina Katzman Ya'kobovitz
- Department of Entomology, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Terry D Butters
- Department of Biochemistry, University of Oxford, Oxford OX1 3QU, UK
| | - Ephraim Cohen
- Department of Entomology, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| |
Collapse
|
166
|
Nguyen VB, Nguyen QV, Nguyen AD, Wang SL. Screening and evaluation of α-glucosidase inhibitors from indigenous medicinal plants in Dak Lak Province, Vietnam. RESEARCH ON CHEMICAL INTERMEDIATES 2016. [DOI: 10.1007/s11164-016-2434-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
167
|
Yu Y, Wu J, Xu Y, Xiao G, Zou B. Effect of High Pressure Homogenization and Dimethyl Dicarbonate (DMDC) on Microbial and Physicochemical Qualities of Mulberry Juice. J Food Sci 2016; 81:M702-8. [DOI: 10.1111/1750-3841.13213] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 11/29/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Yuanshan Yu
- Sericultural & Agri‐Food Research Inst. Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional FoodsMinistry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| | - Jijun Wu
- Sericultural & Agri‐Food Research Inst. Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional FoodsMinistry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| | - Yujuan Xu
- Sericultural & Agri‐Food Research Inst. Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional FoodsMinistry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| | - Gengsheng Xiao
- Sericultural & Agri‐Food Research Inst. Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional FoodsMinistry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| | - Bo Zou
- Sericultural & Agri‐Food Research Inst. Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional FoodsMinistry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| |
Collapse
|
168
|
Song YY, Kinami K, Kato A, Jia YM, Li YX, Fleet GWJ, Yu CY. First total synthesis of (+)-broussonetine W: glycosidase inhibition of natural product & analogs. Org Biomol Chem 2016; 14:5157-74. [DOI: 10.1039/c6ob00720a] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Broussonetine W and its 11 analogues have been first synthesized from cyclic nitrones and assayed as potential gycosidase inhibitors.
Collapse
Affiliation(s)
- Ying-Ying Song
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Kyoko Kinami
- Department of Hospital Pharmacy
- University of Toyama
- Toyama 930-0194
- Japan
| | - Atsushi Kato
- Department of Hospital Pharmacy
- University of Toyama
- Toyama 930-0194
- Japan
| | - Yue-Mei Jia
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Yi-Xian Li
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - George W. J. Fleet
- Chemistry Research Laboratory
- Department of Chemistry
- University of Oxford
- Oxford
- UK
| | - Chu-Yi Yu
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| |
Collapse
|
169
|
Li YX, Kinami K, Hirokami Y, Kato A, Su JK, Jia YM, Fleet GWJ, Yu CY. Gem-difluoromethylated and trifluoromethylated derivatives of DMDP-related iminosugars: synthesis and glycosidase inhibition. Org Biomol Chem 2016; 14:2249-63. [DOI: 10.1039/c5ob02474a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Gem-difluoromethylated and trifluoromethylated derivatives of DMDP-related iminosugars have been synthesized from cyclic nitrones and assayed against various glycosidases.
Collapse
Affiliation(s)
- Yi-Xian Li
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Kyoko Kinami
- Department of Hospital Pharmacy
- University of Toyama
- 2630 Sugitani
- Japan
| | - Yuki Hirokami
- Department of Hospital Pharmacy
- University of Toyama
- 2630 Sugitani
- Japan
| | - Atsushi Kato
- Department of Hospital Pharmacy
- University of Toyama
- 2630 Sugitani
- Japan
| | - Jia-Kun Su
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Yue-Mei Jia
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - George W. J. Fleet
- Chemistry Research Laboratory
- Department of Chemistry
- University of Oxford
- Oxford
- UK
| | - Chu-Yi Yu
- Beijing National Laboratory for Molecular Science (BNLMS)
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| |
Collapse
|
170
|
|
171
|
Kuno S, Ogawa S. From Quercitols to Biologically Active Valienamine and Conduramine Derivatives: Development of Pharmacological Chaperones. TRENDS GLYCOSCI GLYC 2016. [DOI: 10.4052/tigg.1435.1e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Shinichi Kuno
- Central Research Laboratories, Hokko Chemical Industry, Co., Ltd
| | - Seiichiro Ogawa
- Department of Biosciences and Informatics, Faculty of Science and Technology, Keio University
| |
Collapse
|
172
|
Kuno S, Ogawa S. From Quercitols to Biologically Active Valienamine and Conduramine Derivatives: Development of Pharmacological Chaperones. TRENDS GLYCOSCI GLYC 2016. [DOI: 10.4052/tigg.1435.1j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Shinichi Kuno
- Central Research Laboratories, Hokko Chemical Industry, Co., Ltd
| | - Seiichiro Ogawa
- Department of Biosciences and Informatics, Faculty of Science and Technology, Keio University
| |
Collapse
|
173
|
Riaz S, Khan IU, Bajda M, Ashraf M, Qurat-ul-Ain, Shaukat A, Rehman TU, Mutahir S, Hussain S, Mustafa G, Yar M. Pyridine sulfonamide as a small key organic molecule for the potential treatment of type-II diabetes mellitus and Alzheimer’s disease: In vitro studies against yeast α-glucosidase, acetylcholinesterase and butyrylcholinesterase. Bioorg Chem 2015; 63:64-71. [DOI: 10.1016/j.bioorg.2015.09.008] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2015] [Revised: 09/14/2015] [Accepted: 09/28/2015] [Indexed: 11/28/2022]
|
174
|
Javaid K, Saad SM, Rasheed S, Moin ST, Syed N, Fatima I, Salar U, Khan KM, Perveen S, Choudhary MI. 2-Arylquinazolin-4(3H)-ones: A new class of α-glucosidase inhibitors. Bioorg Med Chem 2015; 23:7417-21. [DOI: 10.1016/j.bmc.2015.10.038] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Revised: 10/26/2015] [Accepted: 10/27/2015] [Indexed: 12/18/2022]
|
175
|
Molecular characterization and heterologous expression of a Xanthophyllomyces dendrorhous α-glucosidase with potential for prebiotics production. Appl Microbiol Biotechnol 2015; 100:3125-35. [PMID: 26615395 DOI: 10.1007/s00253-015-7171-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 11/09/2015] [Accepted: 11/11/2015] [Indexed: 10/22/2022]
Abstract
Basidiomycetous yeast Xanthophyllomyces dendrorhous expresses an α-glucosidase with strong transglycosylation activity producing prebiotic sugars such as panose and an unusual tetrasaccharides mixture including α-(1-6) bonds as major products, which makes it of biotechnological interest. Initial analysis pointed to a homodimeric protein of 60 kDa subunit as responsible for this activity. In this study, the gene Xd-AlphaGlu was characterized. The 4131-bp-long gene is interrupted by 13 short introns and encodes a protein of 990 amino acids (Xd-AlphaGlu). The N-terminal sequence of the previously detected 60 kDa protein resides in this larger protein at residues 583-602. Functionality of the gene was proved in Saccharomyces cerevisiae, which produced a protein of about 130 kDa containing Xd-AlphaGlu sequences. All properties of the heterologously expressed protein, including thermal and pH profiles, activity on different substrates, and ability to produce prebiotic sugars were similar to that of the α-glucosidase produced in X. dendrorhous. No activity was detected in S. cerevisiae containing exclusively the 1256-bp from gene Xd-AlphaGlu that would encode synthesis of the 60 kDa protein previously detected. Data were compatible with an active monomeric α-glucosidase of 990 amino acids and an inactive hydrolysis product of 60 kDa. Protein Xd-AlphaGlu contained most of the elements characteristic of α-glucosidases included in the glycoside hydrolases family GH31 and its structural model based on the homologous human maltase-glucoamylase was obtained. Remarkably, the Xd-AlphaGlu C-terminal domain presents an unusually long 115-residue insertion that could be involved in this enzyme's activity against long-size substrates such as maltoheptaose and soluble starch.
Collapse
|
176
|
Cardullo N, Spatafora C, Musso N, Barresi V, Condorelli D, Tringali C. Resveratrol-Related Polymethoxystilbene Glycosides: Synthesis, Antiproliferative Activity, and Glycosidase Inhibition. JOURNAL OF NATURAL PRODUCTS 2015; 78:2675-2683. [PMID: 26539626 DOI: 10.1021/acs.jnatprod.5b00619] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A small library of polymethoxystilbene glycosides (20-25) related to the natural polyphenol resveratrol have been synthesized and subjected, together with their aglycones 17-19, to an antiproliferative activity bioassay toward Caco-2 and SH-SY5Y cancer cells. Six of the compounds exhibit antiproliferative activity against at least one cell line. In particular, compounds 17 and 18 proved highly active on at least one of the two cell cultures. Compound 18 showed a GI50 value of 3 μM against Caco-2 cells, a value comparable to that of the anticancer drug 5-fluorouracil. The closely related compound 19 proved inactive, and its conjugates 22 and 25 showed weak cell growth inhibition. The results indicate that minimal differences in the structure of both polymethoxystilbenes and their glycosides can substantially affect the antiproliferative activity. The possible hydrolytic release of the aglycones 17-19 by β-glucosidase or β-galactosidase was also evaluated. Compounds 20-25 were also tested as potential β-glucosidase, β-galactosidase, and α-glucosidase inhibitors. A promising inhibitory activity toward α-glucosidase was observed for 21 (IC50 = 78 μM) and 25 (IC50 = 70 μM), which might be indicative of their potential as lead compounds for development of antidiabetic or antiobesity agents.
Collapse
Affiliation(s)
- Nunzio Cardullo
- Dipartimento di Scienze Chimiche and ‡Dipartimento di Scienze Bio-Mediche, Sezione di Biochimica, Università degli Studi di Catania , Viale A. Doria 6, I-95125 Catania, Italy
| | - Carmela Spatafora
- Dipartimento di Scienze Chimiche and ‡Dipartimento di Scienze Bio-Mediche, Sezione di Biochimica, Università degli Studi di Catania , Viale A. Doria 6, I-95125 Catania, Italy
| | - Nicolò Musso
- Dipartimento di Scienze Chimiche and ‡Dipartimento di Scienze Bio-Mediche, Sezione di Biochimica, Università degli Studi di Catania , Viale A. Doria 6, I-95125 Catania, Italy
| | - Vincenza Barresi
- Dipartimento di Scienze Chimiche and ‡Dipartimento di Scienze Bio-Mediche, Sezione di Biochimica, Università degli Studi di Catania , Viale A. Doria 6, I-95125 Catania, Italy
| | - Daniele Condorelli
- Dipartimento di Scienze Chimiche and ‡Dipartimento di Scienze Bio-Mediche, Sezione di Biochimica, Università degli Studi di Catania , Viale A. Doria 6, I-95125 Catania, Italy
| | - Corrado Tringali
- Dipartimento di Scienze Chimiche and ‡Dipartimento di Scienze Bio-Mediche, Sezione di Biochimica, Università degli Studi di Catania , Viale A. Doria 6, I-95125 Catania, Italy
| |
Collapse
|
177
|
Imran S, Taha M, Ismail NH, Kashif SM, Rahim F, Jamil W, Wahab H, Khan KM. Synthesis,In vitroand Docking Studies of New Flavone Ethers asα-Glucosidase Inhibitors. Chem Biol Drug Des 2015; 87:361-73. [DOI: 10.1111/cbdd.12666] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Revised: 08/24/2015] [Accepted: 09/07/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Syahrul Imran
- Atta-ur-Rahman Institute for Natural Product Discovery; Universiti Teknologi MARA; Puncak Alam Campus Selangor DE 42300 Malaysia
- Faculty of Applied Sciences; Universiti Teknologi MARA; Shah Alam, Selangor DE 40450 Malaysia
| | - Muhammad Taha
- Atta-ur-Rahman Institute for Natural Product Discovery; Universiti Teknologi MARA; Puncak Alam Campus Selangor DE 42300 Malaysia
- Faculty of Applied Sciences; Universiti Teknologi MARA; Shah Alam, Selangor DE 40450 Malaysia
| | - Nor Hadiani Ismail
- Atta-ur-Rahman Institute for Natural Product Discovery; Universiti Teknologi MARA; Puncak Alam Campus Selangor DE 42300 Malaysia
- Faculty of Applied Sciences; Universiti Teknologi MARA; Shah Alam, Selangor DE 40450 Malaysia
| | - Syed Muhammad Kashif
- Institute of Advance Research Studies in Chemical Sciences; University of Sindh; 76080 Jamshoro Pakistan
| | - Fazal Rahim
- Department of Chemistry; Hazara University; 21300 Mansehra Pakistan
| | - Waqas Jamil
- Institute of Advance Research Studies in Chemical Sciences; University of Sindh; 76080 Jamshoro Pakistan
| | - Habibah Wahab
- Pharmaceutical Design and Simulation Laboratory; School of Pharmaceutical Sciences; Universiti Sains Malaysia; 11800 Pulau Pinang Malaysia
| | - Khalid Mohammed Khan
- H. E. J. Research Institute of Chemistry; International Center for Chemical and Biological Sciences; University of Karachi; Karachi 75270 Pakistan
| |
Collapse
|
178
|
Screening of antidiabetic and antioxidant activities of medicinal plants. JOURNAL OF INTEGRATIVE MEDICINE-JIM 2015; 13:297-305. [PMID: 26343100 DOI: 10.1016/s2095-4964(15)60193-5] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Diabetes is a common metabolic disorder characterized by abnormally increased plasma glucose levels. Postprandial hyperglycemia plays an essential role in development of type-2 diabetes. Inhibitors of carbohydrate-hydrolyzing enzymes (such as α-glucosidase and α-amylase) offer an effective strategy to regulate/prevent hyperglycemia by controlling starch breakdown. Natural α-amylase and α-glucosidase inhibitors, as well as antioxidants from plant-based sources, offer a source of dietary ingredients that affect human physiological function in order to treat diabetes. Several research studies have investigated the effectiveness of plant-based inhibitors of α-amylase and α-glucosidase, as well as their antioxidant activity. The aim of this review is to summarize the antidiabetic and antioxidant properties of several medicinal plants around the world. Half inhibitory concentration (IC50, for enzyme suppression) and half effective concentration (EC50, for antioxidant activity) values of less than 500 μg/mL were defined as the most potent plant-based inhibitors (in vitro) and are expected to provide interesting candidates for herbal treatment of diabetes, as foods, supplements, or refined drugs.
Collapse
|
179
|
Imran S, Taha M, Ismail NH, Kashif SM, Rahim F, Jamil W, Hariono M, Yusuf M, Wahab H. Synthesis of novel flavone hydrazones: in-vitro evaluation of α-glucosidase inhibition, QSAR analysis and docking studies. Eur J Med Chem 2015; 105:156-70. [PMID: 26491979 DOI: 10.1016/j.ejmech.2015.10.017] [Citation(s) in RCA: 102] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 09/08/2015] [Accepted: 10/07/2015] [Indexed: 11/28/2022]
Abstract
Thirty derivatives of flavone hydrazone (5-34) had been synthesized through a five-step reaction and screened for their α-glucosidase inhibition activity. Chalcone 1 was synthesized through aldol condensation then subjected through oxidative cyclization, esterification, and condensation reaction to afford the final products. The result for baker's yeast α-glucosidase (EC 3.2.1.20) inhibition assay showed that all compounds are active with reference to the IC50 value of the acarbose (standard drug) except for compound 3. Increase in activity observed for compounds 2 to 34 clearly highlights the importance of flavone, hydrazide and hydrazone linkage in suppressing the activity of α-glucosidase. Additional functional group on N-benzylidene moiety further enhances the activity significantly. Compound 5 (15.4 ± 0.22 μM), a 2,4,6-trihydroxy substituted compound, is the most active compound in the series. Other compounds which were found to be active are those having chlorine, fluorine, and nitro substituents. Compounds with methoxy, pyridine, and methyl substituents are weakly active. Further studies showed that they are not active in inhibiting histone deacetylase activity and do not possess any cytotoxic properties. QSAR model was being developed to further identify the structural requirements contributing to the activity. Using Discovery Studio (DS) 2.5, various 2D descriptors were being used to develop the model. The QSAR model is able to predict the pIC50 and could be used as a prediction tool for compounds having the same skeletal framework. Molecular docking was done for all compounds using homology model of α-glucosidase to identify important binding modes responsible for inhibition activity.
Collapse
Affiliation(s)
- Syahrul Imran
- Atta-ur-Rahman Institute for Natural Product Discovery, Universiti Teknologi MARA, Puncak Alam Campus, 42300, Selangor D.E., Malaysia; Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam, 40450, Selangor D.E., Malaysia
| | - Muhammad Taha
- Atta-ur-Rahman Institute for Natural Product Discovery, Universiti Teknologi MARA, Puncak Alam Campus, 42300, Selangor D.E., Malaysia; Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam, 40450, Selangor D.E., Malaysia.
| | - Nor Hadiani Ismail
- Atta-ur-Rahman Institute for Natural Product Discovery, Universiti Teknologi MARA, Puncak Alam Campus, 42300, Selangor D.E., Malaysia; Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam, 40450, Selangor D.E., Malaysia.
| | - Syed Muhammad Kashif
- Institute of Advance Research Studies in Chemical Sciences, University of Sindh, 76080, Jamshoro, Pakistan
| | - Fazal Rahim
- Department of Chemistry, Hazara University, 21300, Mansehra, Pakistan
| | - Waqas Jamil
- Institute of Advance Research Studies in Chemical Sciences, University of Sindh, 76080, Jamshoro, Pakistan
| | - Maywan Hariono
- Pharmaceutical Design and Simulation Laboratory, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Pulau Pinang, Malaysia
| | - Muhammad Yusuf
- Pharmaceutical Design and Simulation Laboratory, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Pulau Pinang, Malaysia
| | - Habibah Wahab
- Pharmaceutical Design and Simulation Laboratory, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Pulau Pinang, Malaysia
| |
Collapse
|
180
|
One‐Pot Synthesis of Hydrophobically Modified Iminosugar
C
‐Alkynylglycosides: Facile Synthesis of Polyhydroxy Tetrahydroindolizines. Chemistry 2015; 21:15914-8. [DOI: 10.1002/chem.201503047] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Indexed: 11/07/2022]
|
181
|
Lim W, Rhee YH. A concise synthetic method towards (−)-swainsonine and its 8-epimer by using palladium-catalyzed asymmetric hydroamination of alkoxyallene as the key strategy. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.05.034] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
182
|
Crystal structures of Mycobacterium tuberculosis GlgE and complexes with non-covalent inhibitors. Sci Rep 2015; 5:12830. [PMID: 26245983 PMCID: PMC4526890 DOI: 10.1038/srep12830] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Accepted: 07/07/2015] [Indexed: 02/07/2023] Open
Abstract
GlgE is a bacterial maltosyltransferase that catalyzes the elongation of a cytosolic, branched α-glucan. In Mycobacterium tuberculosis (M. tb), inactivation of GlgE (Mtb GlgE) results in the rapid death of the organism due to a toxic accumulation of the maltosyl donor, maltose-1-phosphate (M1P), suggesting that GlgE is an intriguing target for inhibitor design. In this study, the crystal structures of the Mtb GlgE in a binary complex with maltose and a ternary complex with maltose and a maltosyl-acceptor molecule, maltohexaose, were solved to 3.3 Å and 4.0 Å, respectively. The maltohexaose structure reveals a dominant site for α-glucan binding. To obtain more detailed interactions between first generation, non-covalent inhibitors and GlgE, a variant Streptomyces coelicolor GlgEI (Sco GlgEI-V279S) was made to better emulate the Mtb GlgE M1P binding site. The structure of Sco GlgEI-V279S complexed with α-maltose-C-phosphonate (MCP), a non-hydrolyzable substrate analogue, was solved to 1.9 Å resolution, and the structure of Sco GlgEI-V279S complexed with 2,5-dideoxy-3-O-α-D-glucopyranosyl-2,5-imino-D-mannitol (DDGIM), an oxocarbenium mimic, was solved to 2.5 Å resolution. These structures detail important interactions that contribute to the inhibitory activity of these compounds, and provide information on future designs that may be exploited to improve upon these first generation GlgE inhibitors.
Collapse
|
183
|
Jo Y, Lim S, Chang PS, Choi YJ. The possible presence of natural β-D-glucosidase inhibitors in jujube leaf extract. Food Chem 2015; 194:212-7. [PMID: 26471546 DOI: 10.1016/j.foodchem.2015.08.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Revised: 07/06/2015] [Accepted: 08/03/2015] [Indexed: 11/25/2022]
Abstract
Isoquercitrin is a phenolic compound well-known for having greater health benefits than quercitin, its aglycone derivative, and other related glycosides. However, isoquercitrin is rarely found in nature. Here, we optimized the conditions for the enzymatic transformation of isoquercitrin from rutin that was extracted from jujube leaf using the hesperidinase, enzyme complex containing β-D-glucosidase and α-L-rhamnosidase. The maximum productivity (2.57±0.16mg/mL) was experimentally found under the following conditions: 47.3°C, 52.16h, and pH 5.31, which agreed well with the predicted value (2.65mg/mL). However, the achievement of this maximum yield was due to the absence of β-D-glucosidase activity. Further investigations using a β-D-glucosidase assay and reaction measurements under various conditions revealed that the β-D-glucosidase activity was not blocked by denaturation or known inhibitory factors. Currently, there are no recognized β-D-glucosidase inhibitors present in the jujube leaf; however, our observations strongly suggest that an unidentified β-D-glucosidase inhibitor exists in jujube leaf extract.
Collapse
Affiliation(s)
- Youngje Jo
- Department of Agricultural Biotechnology, Seoul National University, Seoul 151-921, Republic of Korea
| | - Seokwon Lim
- Department of Food Science & Technology, College of Life and Health Science, Hoseo University, Asan, Chungnam 336-759, Republic of Korea
| | - Pahn-Shick Chang
- Department of Agricultural Biotechnology, Seoul National University, Seoul 151-921, Republic of Korea; Center for Food and Bioconvergence, Seoul National University, Seoul 151-921, Republic of Korea
| | - Young Jin Choi
- Department of Agricultural Biotechnology, Seoul National University, Seoul 151-921, Republic of Korea; Center for Food and Bioconvergence, Seoul National University, Seoul 151-921, Republic of Korea; Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Republic of Korea.
| |
Collapse
|
184
|
Kallemeijn WW, Witte MD, Wennekes T, Aerts JMFG. Mechanism-based inhibitors of glycosidases: design and applications. Adv Carbohydr Chem Biochem 2015; 71:297-338. [PMID: 25480507 DOI: 10.1016/b978-0-12-800128-8.00004-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This article covers recent developments in the design and application of activity-based probes (ABPs) for glycosidases, with emphasis on the different enzymes involved in metabolism of glucosylceramide in humans. Described are the various catalytic reaction mechanisms employed by inverting and retaining glycosidases. An understanding of catalysis at the molecular level has stimulated the design of different types of ABPs for glycosidases. Such compounds range from (1) transition-state mimics tagged with reactive moieties, which associate with the target active site—forming covalent bonds in a relatively nonspecific manner in or near the catalytic pocket—to (2) enzyme substrates that exploit the catalytic mechanism of retaining glycosidase targets to release a highly reactive species within the active site of the enzyme, to (3) probes based on mechanism-based, covalent, and irreversible glycosidase inhibitors. Some applications in biochemical and biological research of the activity-based glycosidase probes are discussed, including specific quantitative visualization of active enzyme molecules in vitro and in vivo, and as strategies for unambiguously identifying catalytic residues in glycosidases in vitro.
Collapse
Affiliation(s)
- Wouter W Kallemeijn
- Department of Medical Biochemistry, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
| | - Martin D Witte
- Department of Bio-Organic Chemistry, Stratingh Institute for Chemistry, University of Groningen, Groningen, The Netherlands.
| | - Tom Wennekes
- Department of Synthetic Organic Chemistry, Wageningen University, Wageningen, The Netherlands.
| | - Johannes M F G Aerts
- Department of Medical Biochemistry, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
| |
Collapse
|
185
|
Boisson J, Thomasset A, Racine E, Cividino P, Banchelin Sainte-Luce T, Poisson JF, Behr JB, Py S. Hydroxymethyl-Branched Polyhydroxylated Indolizidines: Novel Selective α-Glucosidase Inhibitors. Org Lett 2015; 17:3662-5. [DOI: 10.1021/acs.orglett.5b01505] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Julien Boisson
- Univ. Grenoble Alpes, DCM, F-38000 Grenoble, France
- CNRS, DCM, F-38000 Grenoble, France
| | - Amélia Thomasset
- Univ. Grenoble Alpes, DCM, F-38000 Grenoble, France
- CNRS, DCM, F-38000 Grenoble, France
| | - Emilie Racine
- Univ. Grenoble Alpes, DCM, F-38000 Grenoble, France
- CNRS, DCM, F-38000 Grenoble, France
| | - Pascale Cividino
- Univ. Grenoble Alpes, DCM, F-38000 Grenoble, France
- CNRS, DCM, F-38000 Grenoble, France
| | | | - Jean-François Poisson
- Univ. Grenoble Alpes, DCM, F-38000 Grenoble, France
- CNRS, DCM, F-38000 Grenoble, France
| | - Jean-Bernard Behr
- Université de Reims Champagne-Ardenne, Institut de
Chimie Moléculaire de Reims (ICMR), CNRS UMR 7312, UFR Sciences
Exactes et Naturelles, BP
1039, 51687 Reims Cedex 2, France
| | - Sandrine Py
- Univ. Grenoble Alpes, DCM, F-38000 Grenoble, France
- CNRS, DCM, F-38000 Grenoble, France
| |
Collapse
|
186
|
Jhong CH, Riyaphan J, Lin SH, Chia YC, Weng CF. Screening alpha-glucosidase and alpha-amylase inhibitors from natural compounds by molecular docking in silico. Biofactors 2015; 41:242-51. [PMID: 26154585 DOI: 10.1002/biof.1219] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 04/21/2015] [Accepted: 05/27/2015] [Indexed: 12/24/2022]
Abstract
The alpha-glucosidase inhibitor is a common oral anti-diabetic drug used for controlling carbohydrates normally converted into simple sugars and absorbed by the intestines. However, some adverse clinical effects have been observed. The present study seeks an alternative drug that can regulate the hyperglycemia by down-regulating alpha-glucosidase and alpha-amylase activity by molecular docking approach to screen the hyperglycemia antagonist against alpha-glucosidase and alpha-amylase activities from the 47 natural compounds. The docking data showed that Curcumin, 16-hydroxy-cleroda-3,13-dine-16,15-olide (16-H), Docosanol, Tetracosanol, Antroquinonol, Berberine, Catechin, Quercetin, Actinodaphnine, and Rutin from 47 natural compounds had binding ability towards alpha-amylase and alpha-glucosidase as well. Curcumin had a better biding ability of alpha-amylase than the other natural compounds. Analyzed alpha-glucosidase activity reveals natural compound inhibitors (below 0.5 mM) are Curcumin, Actinodaphnine, 16-H, Quercetin, Berberine, and Catechin when compared to the commercial drug Acarbose (3 mM). A natural compound with alpha-amylase inhibitors (below 0.5 mM) includes Curcumin, Berberine, Docosanol, 16-H, Actinodaphnine/Tetracosanol, Catechin, and Quercetin when compared to Acarbose (1 mM). When taken together, the implication is that molecular docking is a fast and effective way to screen alpha-glucosidase and alpha-amylase inhibitors as lead compounds of natural sources isolated from medicinal plants.
Collapse
Affiliation(s)
- Chien-Hung Jhong
- Institute of Biotechnology, National Dong-Hwa University, Hualien, 974, Taiwan
| | - Jirawat Riyaphan
- Institute of Biotechnology, National Dong-Hwa University, Hualien, 974, Taiwan
| | - Shih-Hung Lin
- Institute of Biotechnology, National Dong-Hwa University, Hualien, 974, Taiwan
| | - Yi-Chen Chia
- Department of Food Science and Technology, Tajen University, Ping Tung Hsien, Taiwan
| | - Ching-Feng Weng
- Institute of Biotechnology, National Dong-Hwa University, Hualien, 974, Taiwan
| |
Collapse
|
187
|
Chang CC, Ho SL, Lee SS. Acylated glucosylflavones as α-glucosidase inhibitors from Tinospora crispa leaf. Bioorg Med Chem 2015; 23:3388-96. [DOI: 10.1016/j.bmc.2015.04.053] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 04/10/2015] [Accepted: 04/15/2015] [Indexed: 01/07/2023]
|
188
|
Hamid H, Yusoff M, Liu M, Karim M. α-Glucosidase and α-amylase inhibitory constituents of Tinospora crispa: Isolation and chemical profile confirmation by ultra-high performance liquid chromatography-quadrupole time-of-flight/mass spectrometry. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.04.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
|
189
|
Christmann M, Hu J, Kitamura M, Stoltz B. Tetrahedron reports on organic chemistry. Tetrahedron 2015. [DOI: 10.1016/s0040-4020(15)00744-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
190
|
Li S, Tang Y, Liu C, Zhang Y. Development of a method to screen and isolate potential α-glucosidase inhibitors from Panax japonicus C.A. Meyer by ultrafiltration, liquid chromatography, and counter-current chromatography. J Sep Sci 2015; 38:2014-23. [PMID: 25847676 DOI: 10.1002/jssc.201500064] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2015] [Revised: 03/13/2015] [Accepted: 03/27/2015] [Indexed: 11/10/2022]
Abstract
A new assay based on ultrafiltration, liquid chromatography and mass spectrometry was developed for the rapid screening and identification of the ligands for α-glucosidase from the extract of Panax japonicus. Six saponins were identified as α-glucosidase inhibitors. Subsequently, the specific binding ligands, namely, notoginsenoside R1 , ginsenoside Rb1 , chikusetsusaponin V, chikusetsusaponin IV, chikusetsusaponin IVa, and ginsenoside Rd (the purities were 94.18, 95.43, 96.09, 93.26, 94.50, 93.86%, respectively) were separated by counter-current chromatography using two-phase solvent systems composed of tert-butyl methyl ether, acetonitrile, 0.1% aqueous formic acid (3.8:1.0:4.4, v/v/v) and the solvent system composed of methylene chloride, isopropanol, methanol, 0.1% aqueous formic acid (5.8:1.0:6.0:2.2, v/v/v). The results demonstrate that ultrafiltration, liquid chromatography and mass spectrometry combined with high-speed counter-current chromatography might provide not only a powerful tool for screening and isolating α-glucosidase inhibitors in complex samples but also a useful platform for discovering bioactive compounds for the prevention and treatment of diabetes mellitus.
Collapse
Affiliation(s)
- Sainan Li
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Ying Tang
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Chunming Liu
- Central Laboratory, Changchun Normal University, Changchun, China
| | - Yuchi Zhang
- Central Laboratory, Changchun Normal University, Changchun, China
| |
Collapse
|
191
|
Anti-hyperglycemic activity of polyphenols isolated from barnyard millet (Echinochloa utilis L.) and their role inhibiting α-glucosidase. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/s13765-015-0070-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
192
|
Li YX, Shimada Y, Adachi I, Kato A, Jia YM, Fleet GWJ, Xiao M, Yu CY. Fluorinated and Conformationally Fixed Derivatives of l-HomoDMDP: Synthesis and Glycosidase Inhibition. J Org Chem 2015; 80:5151-8. [DOI: 10.1021/acs.joc.5b00571] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yi-Xian Li
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yousuke Shimada
- Department
of Hospital Pharmacy, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Isao Adachi
- Department
of Hospital Pharmacy, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Atsushi Kato
- Department
of Hospital Pharmacy, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Yue-Mei Jia
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - George W. J. Fleet
- Chemistry
Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
- National
Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, China
| | - Min Xiao
- State
Key Laboratory of Microbial Technology and National Glycoengineering
Research Center, Shandong University, Jinan 250100, China
| | - Chu-Yi Yu
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- National
Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, China
| |
Collapse
|
193
|
Koyanagi Y, Hamada T, Iwagawa T, Okamura H. Asymmetric synthesis of Ampelomin A and ent-Epiampelomin A. J Oleo Sci 2015; 64:449-54. [PMID: 25833454 DOI: 10.5650/jos.ess14212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
We synthesized the naturally occurring carbasugar ampelomin A and its epimer from a common starting material. The enantiomerically pure starting material was obtained by base-catalyzed asymmetric Diels-Alder reaction of 3-hydroxy-2-pyrone and chiral acrylate. The total yield of ampelomin A was 14% in seven synthetic steps. The key step of the synthesis of ampelomin A was inversion of the stereochemistry at the C-6 position, which was achieved by stereoselective catalytic hydrogenation of the corresponding methylidene group. Further synthesis of the epimer was straightforward, because all stereogenic centers had already been introduced on the starting material; the total yield was 44% in four synthetic steps. Both the final products were obtained in pure form without contamination with undesired isomers. The reported (1)H NMR chemical shift of the C-7 methyl protons and the H-5axial coupling pattern of natural ampelomin A were inconsistent with those of our synthetic product. After careful comparison of the spectra and examination of the stable conformation obtained through MM2 calculations, we present revised NMR data for ampelomin A.
Collapse
Affiliation(s)
- Yuji Koyanagi
- Department of Chemistry and Bioscience, Graduate School of Kagoshima University
| | | | | | | |
Collapse
|
194
|
Park JH, Lee HS. Inhibitory Effects of Quinoline Isolated from Ruta chalepensis and Its Structurally Related Derivatives against α-Amylase or α-Glucosidase. ACTA ACUST UNITED AC 2015. [DOI: 10.3839/jabc.2015.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Jun-Hwan Park
- Department of Bioenvironmental Chemistry and Institute of Agricultural Science and Technology, College of Agriculture and Life Science, Chonbuk National Universit
| | - Hoi-Seon Lee
- Department of Bioenvironmental Chemistry and Institute of Agricultural Science and Technology, College of Agriculture and Life Science, Chonbuk National Universit
| |
Collapse
|
195
|
Abstract
This review of simple indolizidine and quinolizidine alkaloids (i.e., those in which the parent bicyclic systems are in general not embedded in polycyclic arrays) is an update of the previous coverage in Volume 55 of this series (2001). The present survey covers the literature from mid-1999 to the end of 2013; and in addition to aspects of the isolation, characterization, and biological activity of the alkaloids, much emphasis is placed on their total synthesis. A brief introduction to the topic is followed by an overview of relevant alkaloids from fungal and microbial sources, among them slaframine, cyclizidine, Steptomyces metabolites, and the pantocins. The important iminosugar alkaloids lentiginosine, steviamine, swainsonine, castanospermine, and related hydroxyindolizidines are dealt with in the subsequent section. The fourth and fifth sections cover metabolites from terrestrial plants. Pertinent plant alkaloids bearing alkyl, functionalized alkyl or alkenyl substituents include dendroprimine, anibamine, simple alkaloids belonging to the genera Prosopis, Elaeocarpus, Lycopodium, and Poranthera, and bicyclic alkaloids of the lupin family. Plant alkaloids bearing aryl or heteroaryl substituents include ipalbidine and analogs, secophenanthroindolizidine and secophenanthroquinolizidine alkaloids (among them septicine, julandine, and analogs), ficuseptine, lasubines, and other simple quinolizidines of the Lythraceae, the simple furyl-substituted Nuphar alkaloids, and a mixed quinolizidine-quinazoline alkaloid. The penultimate section of the review deals with the sizable group of simple indolizidine and quinolizidine alkaloids isolated from, or detected in, ants, mites, and terrestrial amphibians, and includes an overview of the "dietary hypothesis" for the origin of the amphibian metabolites. The final section surveys relevant alkaloids from marine sources, and includes clathryimines and analogs, stellettamides, the clavepictines and pictamine, and bis(quinolizidine) alkaloids.
Collapse
|
196
|
Ilyas Z, Shah HS, Al-Oweini R, Kortz U, Iqbal J. Antidiabetic potential of polyoxotungstates: in vitro and in vivo studies. Metallomics 2015; 6:1521-6. [PMID: 24887259 DOI: 10.1039/c4mt00106k] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Diabetes mellitus is a chronic metabolic disorder continuously affecting people all over the world. A common way to treat diabetes mellitus is to limit the conversion of carbohydrates into glucose which is mediated by glucosidase enzymes. Diabetes mellitus is also famous for its life-threatening microvascular (retinopathy, neuropathy and nephropathy) and macrovascular (atherosclerosis) complications. Aldose reductases present in eye lens (ALR1) and kidney (ALR2) are responsible for microvascular complications. The production of advanced glycation end products (AGEs) is involved in the development of atherosclerosis. The present work was aimed at the synthesis and in vitro/in vivo evaluation of different polyoxotungstates against glucosidases (α- and β), aldose reductases (ALR1 and ALR2) and AGEs to discover a new treatment which may limit the complications associated with diabetes mellitus. The polyanion [P6W18O79](20-) was found to be the most potent inhibitor of α-glucosidase (IC50 = 1.33 ± 0.41 μM), ALR1 (IC50 = 0.4 ± 0.009 μM) and ALR2 (IC50 = 0.38 ± 0.02 μM). Animal studies showed that the polyanion [H2W12O40](6-) was very effective in reducing the blood glucose level to 84.25 ± 5.07 mg dL(-1) when compared with standard antidiabetic drug glibenclamide (150.62 ± 9.35 mg dL(-1)) measured after maximum 8 h of dose administration. The data obtained from in vitro and in vivo experiments confirm that [P6W18O79](20-) and [H2W12O40](6-) could be used as a new treatment of diabetes mellitus.
Collapse
Affiliation(s)
- Zaitoon Ilyas
- Centre for Advanced Drug Research, COMSATS Institute of Information Technology, Abbottabad, Postal Code 22060, Pakistan.
| | | | | | | | | |
Collapse
|
197
|
Trapero A, Egido-Gabás M, Bujons J, Llebaria A. Synthesis and evaluation of hydroxymethylaminocyclitols as glycosidase inhibitors. J Org Chem 2015; 80:3512-29. [PMID: 25750987 DOI: 10.1021/acs.joc.5b00133] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Four series of C7N aminocyclitol analogues of glucose were synthesized by stereocontrolled epoxide opening of hydroxyl protected forms of the cyclohexane epoxides cyclophellitol and 1,6-epi-cyclophellitol. The resulting hydroxymethyl substituted aminocyclitols were tested as glycosidase inhibitors. Cyclitols having an amino group in an α configuration at a position equivalent to the anomeric in the sugar were found to be low micromolar inhibitors of the α-glucosidase from baker's yeast with Ki's near to 2 μM. On the other hand, N-octyl aminocyclitols having the nitrogen substituents in an α or β configuration were found to be good inhibitors of recombinant β-glucocerebrosidase with Ki values between 8.3 and 17 μM, and also inhibited lysosomal β-glucosidase activity in live cells at low-micromolar concentrations. A computational docking study suggests a differential binding among the different series of β-glucocerebrosidase inhibitors. In agreement with the experimental results, the binding poses obtained indicate that the presence of an alkyl lipid substituent in the inhibitor mimicking one of the lipid chains in the substrate is critical for potency. In contrast, the matching of hydroxymethyl substituents in the aminocyclitols and the parent glucosylceramide does not seem to be strictly necessary for potent inhibition, indicating the risk of simplifying structural analogies in sugar mimetic design.
Collapse
Affiliation(s)
- Ana Trapero
- †Laboratory of Medicinal Chemistry, Department of Biomedicinal Chemistry, Institut de Química Avançada de Catalunya (IQAC-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Meritxell Egido-Gabás
- ‡Department of Biomedicinal Chemistry, Institut de Química Avançada de Catalunya (IQAC-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Jordi Bujons
- §Department of Biological Chemistry and Molecular Modeling, Institut de Química Avançada de Catalunya (IQAC-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Amadeu Llebaria
- †Laboratory of Medicinal Chemistry, Department of Biomedicinal Chemistry, Institut de Química Avançada de Catalunya (IQAC-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
| |
Collapse
|
198
|
|
199
|
Veyron A, Reddy PV, Koos P, Bayle A, Greene AE, Delair P. Stereocontrolled synthesis of glycosidase inhibitors (+)-hyacinthacines A1 and A2. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.tetasy.2014.12.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
200
|
Li YX, Shimada Y, Sato K, Kato A, Zhang W, Jia YM, Fleet GWJ, Xiao M, Yu CY. Synthesis and Glycosidase Inhibition of Australine and Its Fluorinated Derivatives. Org Lett 2015; 17:716-9. [DOI: 10.1021/ol503728e] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yi-Xian Li
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yousuke Shimada
- Department
of Hospital Pharmacy, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Kasumi Sato
- Department
of Hospital Pharmacy, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Atsushi Kato
- Department
of Hospital Pharmacy, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Wei Zhang
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yue-Mei Jia
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - George W. J. Fleet
- Chemistry
Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA, U.K
- National
Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Min Xiao
- State
Key Laboratory of Microbial Technology and National Glycoengineering
Research Center, Shandong University, Jinan 250100, P. R. China
| | - Chu-Yi Yu
- Beijing
National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory
of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- National
Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China
| |
Collapse
|