1
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Tseng HK, Su YY, Lai PJ, Lo SL, Liu HC, Reddy SR, Chen L, Lin CC. Chemoenzymatic Synthesis of GAA-7 Glycan Analogues and Evaluation of Their Neuritogenic Activities. ACS Chem Neurosci 2024; 15:656-670. [PMID: 38206798 DOI: 10.1021/acschemneuro.3c00732] [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] [Indexed: 01/13/2024] Open
Abstract
Ganglioside GAA-7 exhibits higher neurite outgrowth than ganglioside GM1a and most echinodermatous gangliosides (EGs) when tested on neuron-like rat adrenal pheochromocytoma (PC12) cells in the presence of nerve growth factor (NGF). The unique structure of GAA-7 glycan, containing an uncommon sialic acid (8-O-methyl-N-glycolylneuraminic acid) and sialic acid-α-2,3-GalNAc linkage, makes it challenging to synthesize. We recently developed a streamlined method to chemoenzymatically synthesize GAA-7 glycan and employed this modular strategy to efficiently prepare a library of GAA-7 glycan analogues incorporating N-modified or 8-methoxyl sialic acids. Most of these synthetic glycans exhibited moderate efficacy in promoting neuronal differentiation of PC12 cells. Among them, the analogue containing common sialic acid shows greater potential than the GAA-7 glycan itself. This result reveals that methoxy modification is not essential for neurite outgrowth. Consequently, the readily available analogue presents a promising model for further biological investigations.
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Affiliation(s)
- Hsin-Kai Tseng
- Department of Chemistry, National Tsing Hua University, 101 Section 2, Kuang Fu Road, Hsinchu 30013, Taiwan
| | - Yung-Yu Su
- Department of Chemistry, National Tsing Hua University, 101 Section 2, Kuang Fu Road, Hsinchu 30013, Taiwan
| | - Po-Jen Lai
- Institute of Molecular Medicine, National Tsing Hua University, 101 Section 2, Kuang Fu Road, Hsinchu 30013, Taiwan
| | - Shao-Lun Lo
- Institute of Molecular Medicine, National Tsing Hua University, 101 Section 2, Kuang Fu Road, Hsinchu 30013, Taiwan
| | - Hsien-Chein Liu
- Department of Chemistry, National Tsing Hua University, 101 Section 2, Kuang Fu Road, Hsinchu 30013, Taiwan
| | | | - Linyi Chen
- Institute of Molecular Medicine, National Tsing Hua University, 101 Section 2, Kuang Fu Road, Hsinchu 30013, Taiwan
| | - Chun-Cheng Lin
- Department of Chemistry, National Tsing Hua University, 101 Section 2, Kuang Fu Road, Hsinchu 30013, Taiwan
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, 100, Shih-Chuan First Road, Kaohsiung 80708, Taiwan
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2
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Fukuyama Y, Kubo M, Harada K. Neurotrophic Natural Products. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2024; 123:1-473. [PMID: 38340248 DOI: 10.1007/978-3-031-42422-9_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Neurotrophins (NGF, BDNF, NT3, NT4) can decrease cell death, induce differentiation, as well as sustain the structure and function of neurons, which make them promising therapeutic agents for the treatment of neurodegenerative disorders. However, neurotrophins have not been very effective in clinical trials mostly because they cannot pass through the blood-brain barrier owing to being high-molecular-weight proteins. Thus, neurotrophin-mimic small molecules, which stimulate the synthesis of endogenous neurotrophins or enhance neurotrophic actions, may serve as promising alternatives to neurotrophins. Small-molecular-weight natural products, which have been used in dietary functional foods or in traditional medicines over the course of human history, have a great potential for the development of new therapeutic agents against neurodegenerative diseases such as Alzheimer's disease. In this contribution, a variety of natural products possessing neurotrophic properties such as neurogenesis, neurite outgrowth promotion (neuritogenesis), and neuroprotection are described, and a focus is made on the chemistry and biology of several neurotrophic natural products.
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Affiliation(s)
- Yoshiyasu Fukuyama
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan.
| | - Miwa Kubo
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
| | - Kenichi Harada
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
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3
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Abstract
Synthetic methodologies for gangliosides have evolved over the past three decades. The strategies for constructing ganglioside skeletons can generally be classified as late-stage ceramide coupling, the glucosyl ceramide cassette strategy, or late-stage sialylation. Using these synthetic strategies, numerous natural gangliosides and their structural analogs, including functional probes, have been synthesized. This chapter describes the synthetic strategies for gangliosides and provides examples of the total synthesis of several gangliosides using each strategy.
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Affiliation(s)
- Akihiro Imamura
- Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan.
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, Gifu, Japan
| | - Hideharu Ishida
- Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan
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4
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Cho YT, Adak A, Su YY, Chang TW, Lin CC. Chemoenzymatic Total Synthesis of the Neuritogenic Echinoderm Ganglioside LLG‐5 and Related Analogues. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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5
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Zhang L, Yu H, Bai Y, Mishra B, Yang X, Wang J, Yu EB, Li R, Chen X. A Neoglycoprotein-Immobilized Fluorescent Magnetic Bead Suspension Multiplex Array for Galectin-Binding Studies. Molecules 2021; 26:6194. [PMID: 34684775 PMCID: PMC8541226 DOI: 10.3390/molecules26206194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/07/2021] [Accepted: 10/09/2021] [Indexed: 11/16/2022] Open
Abstract
Carbohydrate-protein conjugates have diverse applications. They have been used clinically as vaccines against bacterial infection and have been developed for high-throughput assays to elucidate the ligand specificities of glycan-binding proteins (GBPs) and antibodies. Here, we report an effective process that combines highly efficient chemoenzymatic synthesis of carbohydrates, production of carbohydrate-bovine serum albumin (glycan-BSA) conjugates using a squarate linker, and convenient immobilization of the resulting neoglycoproteins on carboxylate-coated fluorescent magnetic beads for the development of a suspension multiplex array platform. A glycan-BSA-bead array containing BSA and 50 glycan-BSA conjugates with tuned glycan valency was generated. The binding profiles of six plant lectins with binding preference towards Gal and/or GalNAc, as well as human galectin-3 and galectin-8, were readily obtained. Our results provide useful information to understand the multivalent glycan-binding properties of human galectins. The neoglycoprotein-immobilized fluorescent magnetic bead suspension multiplex array is a robust and flexible platform for rapid analysis of glycan and GBP interactions and will find broad applications.
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Affiliation(s)
- Libo Zhang
- Department of Chemistry, University of California, Davis, CA 95616, USA; (L.Z.); (H.Y.); (Y.B.); (B.M.); (X.Y.); (J.W.); (E.B.Y.); (R.L.)
| | - Hai Yu
- Department of Chemistry, University of California, Davis, CA 95616, USA; (L.Z.); (H.Y.); (Y.B.); (B.M.); (X.Y.); (J.W.); (E.B.Y.); (R.L.)
| | - Yuanyuan Bai
- Department of Chemistry, University of California, Davis, CA 95616, USA; (L.Z.); (H.Y.); (Y.B.); (B.M.); (X.Y.); (J.W.); (E.B.Y.); (R.L.)
| | - Bijoyananda Mishra
- Department of Chemistry, University of California, Davis, CA 95616, USA; (L.Z.); (H.Y.); (Y.B.); (B.M.); (X.Y.); (J.W.); (E.B.Y.); (R.L.)
| | - Xiaoxiao Yang
- Department of Chemistry, University of California, Davis, CA 95616, USA; (L.Z.); (H.Y.); (Y.B.); (B.M.); (X.Y.); (J.W.); (E.B.Y.); (R.L.)
| | - Jing Wang
- Department of Chemistry, University of California, Davis, CA 95616, USA; (L.Z.); (H.Y.); (Y.B.); (B.M.); (X.Y.); (J.W.); (E.B.Y.); (R.L.)
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Evan B. Yu
- Department of Chemistry, University of California, Davis, CA 95616, USA; (L.Z.); (H.Y.); (Y.B.); (B.M.); (X.Y.); (J.W.); (E.B.Y.); (R.L.)
| | - Riyao Li
- Department of Chemistry, University of California, Davis, CA 95616, USA; (L.Z.); (H.Y.); (Y.B.); (B.M.); (X.Y.); (J.W.); (E.B.Y.); (R.L.)
| | - Xi Chen
- Department of Chemistry, University of California, Davis, CA 95616, USA; (L.Z.); (H.Y.); (Y.B.); (B.M.); (X.Y.); (J.W.); (E.B.Y.); (R.L.)
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6
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Vibhute AM, Komura N, Tanaka HN, Imamura A, Ando H. Advanced Chemical Methods for Stereoselective Sialylation and Their Applications in Sialoglycan Syntheses. CHEM REC 2021; 21:3194-3223. [PMID: 34028159 DOI: 10.1002/tcr.202100080] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/26/2021] [Accepted: 05/03/2021] [Indexed: 12/18/2022]
Abstract
Sialic acid is an important component of cell surface glycans, which are responsible for many vital body functions and should therefore be thoroughly studied to understand their biological roles and association with disorders. The difficulty of isolating large quantities of homogenous-state sialoglycans from natural sources has inspired the development of the corresponding chemical synthesis methods affording acceptable purities, yields, and amounts. However, the related syntheses are challenging because of the difficulties in α-glycosylation of sialic acid, which arises from its certain structural features such as the absence of a stereodirecting group at the C3 position and presence of carboxyl group at the anomeric position. Moreover, the structural complexities of sialoglycans with diverse numbers and locations of sialic acid on the glycan chains pose additional barriers. Thus, efficient α-stereoselective routes to sialosides remain highly sought after, although various types of sialyl donors/acceptors have been developed for the straightforward synthesis of α-sialosides. Herein, we review the latest progress in the α-stereoselective synthesis of sialosides and their applications in the preparation of gangliosides and other sialoglycans.
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Affiliation(s)
- Amol M Vibhute
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan
| | - Naoko Komura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan
| | - Hide-Nori Tanaka
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan
| | - Akihiro Imamura
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan.,Department of Applied Bioorganic Chemistry, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan
| | - Hiromune Ando
- Institute for Glyco-core Research (iGCORE), Gifu University, 1-1 Yanagido, Gifu-shi, Gifu, 501-1193, Japan
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7
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Tseng HK, Su YY, Chang TW, Liu HC, Li PJ, Chiang PY, Lin CC. Acceptor-mediated regioselective enzyme catalyzed sialylation: chemoenzymatic synthesis of GAA-7 ganglioside glycan. Chem Commun (Camb) 2021; 57:3468-3471. [PMID: 33688902 DOI: 10.1039/d1cc00653c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Herein, we applied PmST1 (a sialyltransferase) to achieve acceptor-mediated regioselective sialylation (AMRS) on the nonreducing end GalNH2 or GalAz (2-azido-2-deoxy galactose). Thus, C5 and C8-modified sialic acid was efficiently assembled on GalNH2 (or GalAz) to achieve the synthesis of the GAA-7 (one of the echinodermatous gangliosides with higher neuritogenic activity) glycan moiety.
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Affiliation(s)
- Hsin-Kai Tseng
- Department of Chemistry, National Tsing Hua University, 101 Section 2, Kuang Fu Road, Hsinchu 30013, Taiwan.
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8
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Kooner AS, Yu H, Chen X. Synthesis of N-Glycolylneuraminic Acid (Neu5Gc) and Its Glycosides. Front Immunol 2019; 10:2004. [PMID: 31555264 PMCID: PMC6724515 DOI: 10.3389/fimmu.2019.02004] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 08/07/2019] [Indexed: 12/12/2022] Open
Abstract
Sialic acids constitute a family of negatively charged structurally diverse monosaccharides that are commonly presented on the termini of glycans in higher animals and some microorganisms. In addition to N-acetylneuraminic acid (Neu5Ac), N-glycolyl neuraminic acid (Neu5Gc) is among the most common sialic acid forms in nature. Nevertheless, unlike most animals, human cells loss the ability to synthesize Neu5Gc although Neu5Gc-containing glycoconjugates have been found on human cancer cells and in various human tissues due to dietary incorporation of Neu5Gc. Some pathogenic bacteria also produce Neu5Ac and the corresponding glycoconjugates but Neu5Gc-producing bacteria have yet to be found. In addition to Neu5Gc, more than 20 Neu5Gc derivatives have been found in non-human vertebrates. To explore the biological roles of Neu5Gc and its naturally occurring derivatives as well as the corresponding glycans and glycoconjugates, various chemical and enzymatic synthetic methods have been developed to obtain a vast array of glycosides containing Neu5Gc and/or its derivatives. Here we provide an overview on various synthetic methods that have been developed. Among these, the application of highly efficient one-pot multienzyme (OPME) sialylation systems in synthesizing compounds containing Neu5Gc and derivatives has been proven as a powerful strategy.
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Affiliation(s)
| | - Hai Yu
- Department of Chemistry, University of California, Davis, Davis, CA, United States
| | - Xi Chen
- Department of Chemistry, University of California, Davis, Davis, CA, United States
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9
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Goto K, Tamai H, Takeda Y, Tanaka HN, Mizuno T, Imamura A, Ishida H, Kiso M, Ando H. Total Synthesis of Sialyl Inositol Phosphosphingolipids CJP-2, CJP-3, and CJP-4 Isolated from Feather Star Comanthus japonica. Org Lett 2019; 21:4054-4057. [DOI: 10.1021/acs.orglett.9b01229] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Kenta Goto
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, Gifu 501-1193, Japan
| | - Hideki Tamai
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, Gifu 501-1193, Japan
| | - Yoh Takeda
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, Gifu 501-1193, Japan
| | - Hide-Nori Tanaka
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu 501-1193, Japan
| | - Takashi Mizuno
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, Gifu 501-1193, Japan
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, Gifu 501-1193, Japan
| | - Hideharu Ishida
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu 501-1193, Japan
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, Gifu 501-1193, Japan
| | - Makoto Kiso
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, Gifu 501-1193, Japan
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Kyoto 606-8501, Japan
| | - Hiromune Ando
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University, Gifu 501-1193, Japan
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Kyoto 606-8501, Japan
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10
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Chemistry and Biology of Bioactive Glycolipids of Marine Origin. Mar Drugs 2018; 16:md16090294. [PMID: 30135377 PMCID: PMC6163716 DOI: 10.3390/md16090294] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 08/09/2018] [Accepted: 08/15/2018] [Indexed: 12/17/2022] Open
Abstract
Glycolipids represent a broad class of natural products structurally featured by a glycosidic fragment linked to a lipidic molecule. Despite the large structural variety of these glycoconjugates, they can be classified into three main groups, i.e., glycosphingolipids, glycoglycerolipids, and atypical glycolipids. In the particular case of glycolipids derived from marine sources, an impressive variety in their structural features and biological properties is observed, thus making them prime targets for chemical synthesis. In the present review, we explore the chemistry and biology of this class of compounds.
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11
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Abstract
Various methods for the chemical synthesis of gangliosides have been investigated to date and numerous natural gangliosides and their structural analogues have been synthesized during the past three decades. Key technologies in the synthesis of gangliosides include α-selective sialylation and introduction of the ceramide moiety into the oligosaccharide chain. This chapter introduces two major strategies for ganglioside synthesis-the most commonly used strategy and the recently developed glucosylceramide cassette approach. Synthetic procedures for selected reactions are also presented.
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Affiliation(s)
- Akihiro Imamura
- Department of Applied Bio-Organic Chemistry, Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan.
| | - Makoto Kiso
- Department of Applied Bio-Organic Chemistry, Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Kyoto, Japan
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12
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Abstract
Covering: 2015. Previous review: Nat. Prod. Rep., 2016, 33, 382-431This review covers the literature published in 2015 for marine natural products (MNPs), with 1220 citations (792 for the period January to December 2015) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1340 in 429 papers for 2015), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that lead to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
| | - Brent R Copp
- School of Chemical Sciences, University of Auckland, Auckland, New Zealand
| | - Robert A Keyzers
- Centre for Biodiscovery, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Murray H G Munro
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
| | - Michèle R Prinsep
- Chemistry, School of Science, University of Waikato, Hamilton, New Zealand
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13
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Ando H, Komura N, Imamura A, Kiso M, Ishida H. A Synthetic Challenge to the Diversity of Gangliosides for Unveiling Their Biological Significance. J SYN ORG CHEM JPN 2017. [DOI: 10.5059/yukigoseikyokaishi.75.1162] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Hiromune Ando
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University
| | - Naoko Komura
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University
| | - Makoto Kiso
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University
| | - Hideharu Ishida
- Center for Highly Advanced Integration of Nano and Life Sciences (G-CHAIN), Gifu University
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University
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14
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Hung JT, Yeh CH, Yang SA, Lin CY, Tai HJ, Shelke GB, Reddy DM, Yu AL, Luo SY. Design, Synthesis, and Biological Evaluation of Ganglioside Hp-s1 Analogues Varying at Glucosyl Moiety. ACS Chem Neurosci 2016; 7:1107-11. [PMID: 27276519 DOI: 10.1021/acschemneuro.6b00069] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Ganglioside Hp-s1 is isolated from the ovary of sea urchin Diadema setosum. It exhibited better neuritogenic activity than GM1 in pheochromocytoma 12 cells. To explore the roles of glucosyl moiety of Hp-s1 in contributing to the neurogenic activity, we developed feasible procedures for synthesis of Hp-s1 analogues (2a-2f). The glucosyl moiety of Hp-s1 was replaced with α-glucose, α-galactose, β-galactose, α-mannose, and β-mannose, and their biological activities on SH-SY5Y cells and natural killer T (NKT) cells were evaluated. We found that the orientation of C-2 hydroxyl group at glucosyl moiety of Hp-s1 plays an important role to induce neurite outgrowth of SH-SY5Y cells. Surprisingly, compound 2d could activate NKT cells to produce interleukin 2, although it did not show great activity on neurite outgrowth of SH-SY5Y cells. In general, the Hp-s1 might be considered as a lead compound for the development of novel drugs aimed at modulating the activity of neuronal cells.
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Affiliation(s)
- Jung-Tung Hung
- Institute
of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan 333, Taiwan
| | - Chun-Hong Yeh
- Department
of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
| | - Shih-An Yang
- Department
of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
| | - Chiu-Ya Lin
- Department
of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
| | - Hung-Ju Tai
- Department
of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
| | - Ganesh B. Shelke
- Department
of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
| | | | - Alice L. Yu
- Institute
of Stem Cell and Translational Cancer Research, Chang Gung Memorial Hospital at Linkou, Taoyuan 333, Taiwan
| | - Shun-Yuan Luo
- Department
of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
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15
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Goto K, Sawa M, Tamai H, Imamura A, Ando H, Ishida H, Kiso M. The Total Synthesis of Starfish Ganglioside GP3 Bearing a Unique Sialyl Glycan Architecture. Chemistry 2016; 22:8323-31. [DOI: 10.1002/chem.201600970] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Indexed: 01/23/2023]
Affiliation(s)
- Kenta Goto
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido Gifu-shi, Gifu 501-1193 Japan), Fax
| | - Maki Sawa
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido Gifu-shi, Gifu 501-1193 Japan), Fax
| | - Hideki Tamai
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido Gifu-shi, Gifu 501-1193 Japan), Fax
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS); Kyoto University; Yoshida Ushinomiya-cho Sakyo-ku, Kyoto 606-8501 Japan
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido Gifu-shi, Gifu 501-1193 Japan), Fax
| | - Hiromune Ando
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido Gifu-shi, Gifu 501-1193 Japan), Fax
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS); Kyoto University; Yoshida Ushinomiya-cho Sakyo-ku, Kyoto 606-8501 Japan
| | - Hideharu Ishida
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido Gifu-shi, Gifu 501-1193 Japan), Fax
| | - Makoto Kiso
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido Gifu-shi, Gifu 501-1193 Japan), Fax
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS); Kyoto University; Yoshida Ushinomiya-cho Sakyo-ku, Kyoto 606-8501 Japan
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16
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Hu Y, Tu YH, Liu DY, Liao JX, Sun JS. Synthetic investigation toward apigenin 5-O-glycoside camellianin B as well as the chemical structure revision. Org Biomol Chem 2016; 14:4842-7. [DOI: 10.1039/c6ob00655h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first total synthesis of the proposed and authentic structures of camellianin B were achieved, based on which the chemical structures of camellianins A and B were revised.
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Affiliation(s)
- Yang Hu
- The National Engineering Research Centre for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang 330022
- China
| | - Yuan-Hong Tu
- The National Engineering Research Centre for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang 330022
- China
| | - De-Yong Liu
- The National Engineering Research Centre for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang 330022
- China
| | - Jin-Xi Liao
- The National Engineering Research Centre for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang 330022
- China
| | - Jian-Song Sun
- The National Engineering Research Centre for Carbohydrate Synthesis
- Jiangxi Normal University
- Nanchang 330022
- China
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Hirose H, Tamai H, Gao C, Imamura A, Ando H, Ishida H, Feizi T, Kiso M. Total syntheses of disulphated glycosphingolipid SB1a and the related monosulphated SM1a. Org Biomol Chem 2015; 13:11105-17. [PMID: 26399908 PMCID: PMC4920060 DOI: 10.1039/c5ob01744k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Total syntheses of two natural sulphoglycolipids, disulphated glycosphingolipid SB1a and the structurally related monosulphated SM1a, are described. They have common glycan sequences and ceramide moieties and are associated with human epithelial carcinomas. The syntheses featured efficient glycan assembly and the glucosyl ceramide cassette as a versatile building block. The binding of the synthetic sulphoglycolipids by the carcinoma-specific monoclonal antibody AE3 was investigated using carbohydrate microarray technology.
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Affiliation(s)
- Haruka Hirose
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan
| | - Hideki Tamai
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan
| | - Chao Gao
- Glycosciences Laboratory, Department of Medicine, Imperial College London, Hammersmith Campus, Du Cane Road, London W12 0NN, UK
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan
| | - Hiromune Ando
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Hideharu Ishida
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan
| | - Ten Feizi
- Glycosciences Laboratory, Department of Medicine, Imperial College London, Hammersmith Campus, Du Cane Road, London W12 0NN, UK
| | - Makoto Kiso
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku, Kyoto 606-8501, Japan
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Yamagishi M, Hosoda-Yabe R, Tamai H, Konishi M, Imamura A, Ishida H, Yabe T, Ando H, Kiso M. Structure-Activity Relationship Study of the Neuritogenic Potential of the Glycan of Starfish Ganglioside LLG-3 (‡). Mar Drugs 2015; 13:7250-74. [PMID: 26690179 PMCID: PMC4699235 DOI: 10.3390/md13127062] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 11/25/2015] [Indexed: 11/27/2022] Open
Abstract
LLG-3 is a ganglioside isolated from the starfish Linchia laevigata. To clarify the structure-activity relationship of the glycan of LLG-3 toward rat pheochromocytoma PC12 cells in the presence of nerve growth factor, a series of mono- to tetrasaccharide glycan derivatives were chemically synthesized and evaluated in vitro. The methyl group at C8 of the terminal sialic acid residue was crucial for neuritogenic activity, and the terminal trisaccharide moiety was the minimum active motif. Furthermore, the trisaccharide also stimulated neuritogenesis in human neuroblastoma SH-SY5Y cells via mitogen-activated protein kinase (MAPK) signaling. Phosphorylation of extracellular signal-regulated kinase (ERK) 1/2 was rapidly induced by adding 1 or 10 nM of the trisaccharide. The ratio of phosphorylated ERK to ERK reached a maximum 5 min after stimulation, and then decreased gradually. However, the trisaccharide did not induce significant Akt phosphorylation. These effects were abolished by pretreatment with the MAPK inhibitor U0126, which inhibits enzymes MEK1 and MEK2. In addition, U0126 inhibited the phosphorylation of ERK 1/2 in response to the trisaccharide dose-dependently. Therefore, we concluded that the trisaccharide promotes neurite extension in SH-SY5Y cells via MAPK/ERK signaling, not Akt signaling.
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Affiliation(s)
- Megumi Yamagishi
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan.
| | - Ritsuko Hosoda-Yabe
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku, Kyoto 606-8501, Japan.
- Department of Applied Life Science, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan.
| | - Hideki Tamai
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan.
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku, Kyoto 606-8501, Japan.
| | - Miku Konishi
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan.
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku, Kyoto 606-8501, Japan.
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan.
| | - Hideharu Ishida
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan.
| | - Tomio Yabe
- Department of Applied Life Science, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan.
| | - Hiromune Ando
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan.
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku, Kyoto 606-8501, Japan.
| | - Makoto Kiso
- Department of Applied Bioorganic Chemistry, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu-shi, Gifu 501-1193, Japan.
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku, Kyoto 606-8501, Japan.
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Goto K, Suzuki T, Tamai H, Ogawa J, Imamura A, Ando H, Ishida H, Kiso M. Total Synthesis and Neuritogenic Activity Evaluation of Ganglioside PNG-2A from the StarfishProtoreaster nodosus. ASIAN J ORG CHEM 2015. [DOI: 10.1002/ajoc.201500282] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Kenta Goto
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido, Gifu-shi Gifu 501-1193 Japan
| | - Tatsuya Suzuki
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido, Gifu-shi Gifu 501-1193 Japan
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS); Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku; Kyoto 606-8501 Japan
| | - Hideki Tamai
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido, Gifu-shi Gifu 501-1193 Japan
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS); Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku; Kyoto 606-8501 Japan
| | - Junya Ogawa
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido, Gifu-shi Gifu 501-1193 Japan
| | - Akihiro Imamura
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido, Gifu-shi Gifu 501-1193 Japan
| | - Hiromune Ando
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido, Gifu-shi Gifu 501-1193 Japan
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS); Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku; Kyoto 606-8501 Japan
| | - Hideharu Ishida
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido, Gifu-shi Gifu 501-1193 Japan
| | - Makoto Kiso
- Department of Applied Bioorganic Chemistry; Gifu University; 1-1 Yanagido, Gifu-shi Gifu 501-1193 Japan
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS); Kyoto University, Yoshida Ushinomiya-cho, Sakyo-ku; Kyoto 606-8501 Japan
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