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Mori K, Suzuki T, Miura K, Dohmae N, Simizu S. Involvement of LH3 and GLT25D1 for glucosyl-galactosyl-hydroxylation on non-collagen-like domain of FGL1. Biochem Biophys Res Commun 2021; 560:93-98. [PMID: 33984770 DOI: 10.1016/j.bbrc.2021.04.128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 04/28/2021] [Indexed: 11/30/2022]
Abstract
Glucosyl-galactosyl-hydroxylation (GGH) is one type of post-translational modification, which is mainly observed in collagen-like domain-containing proteins. Using LC-MS/MS analysis, we found a GGH-like modification at Lys65 of fibrinogen-like protein 1 (FGL1), although it does not contain a collagen-like domain. To identify the glycosyltransferases responsible for this modification, we established LH3/GLT25D1-knockout FGL1-overexpressing HT1080 cell lines. The result showed that knockout of LH3 or GLT25D1 significantly inhibited the glycosylation. Furthermore, deficiency of GGH by point mutation of the FGL1 protein or knockout of the GGH-related glycosyltransferase reduced FGL1 protein levels. Taken together, these data indicate that Lys65 of FGL1 is glucosyl-galactosyl-hydroxylated by LH3 and GLT25D1. Our results provide novel insights to regulate various FGL1 functions.
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Affiliation(s)
- Kento Mori
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, 223-8522, Japan
| | - Takehiro Suzuki
- Biomolecular Characterization Unit, RIKEN Center for Sustainable Resource Science, Wako, 351-0198, Japan
| | - Kazuki Miura
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, 223-8522, Japan
| | - Naoshi Dohmae
- Biomolecular Characterization Unit, RIKEN Center for Sustainable Resource Science, Wako, 351-0198, Japan
| | - Siro Simizu
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, 223-8522, Japan.
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2
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Yoshimoto S, Katayama K, Suzuki T, Dohmae N, Simizu S. Regulation of N-glycosylation and secretion of Isthmin-1 by its C-mannosylation. Biochim Biophys Acta Gen Subj 2021; 1865:129840. [PMID: 33412225 DOI: 10.1016/j.bbagen.2020.129840] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 12/27/2020] [Accepted: 12/30/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND C-mannosylation is a type of protein glycosylation. Human Isthmin-1 (ISM1) is a 52-kDa secreted protein with a thrombospondin type 1 repeat (TSR) domain, containing two consensus C-mannosylation sequences at Trp223 and Trp226. In this study, we sought to examine the role of C-mannosylation in the secretion of ISM1. METHODS We established and cultured an ISM1-overexpressing HT1080 cell line and purified recombinant ISM1 for analysis from the conditioned medium by LC-MS/MS. Subcellular localization of ISM1 was observed by confocal fluorescence microscopy. RESULTS We found that ISM1 is C-mannosylated at Trp223 and Trp226 in the TSR domain. To determine the functions of the C-mannosylation of ISM1, we established a C-mannosylation-defective mutant ISM1-overexpressing HT1080 cell line and measured its secretion of ISM1. The secretion of ISM1 decreased significantly in this mutant ISM1-overexpressing line compared with wild-type cells. Furthermore, ISM1 was N-glycosylated only in these C-mannosylation-defective cells. CONCLUSIONS ISM1 is C-mannosylated in its TSR domain, and the status of the C-mannosylation of ISM1 affects its N-glycosylation. GENERAL SIGNIFICANCE The C-mannosylation of ISM1 regulates its N-glycosylation status.
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Affiliation(s)
- Satoshi Yoshimoto
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Kazuhiro Katayama
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Takehiro Suzuki
- Biomolecular Characterization Unit, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako 351-0198, Japan
| | - Naoshi Dohmae
- Biomolecular Characterization Unit, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako 351-0198, Japan
| | - Siro Simizu
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
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3
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Yu VZ, Ko JMY, Ning L, Dai W, Law S, Lung ML. Endoplasmic reticulum-localized ECM1b suppresses tumor growth and regulates MYC and MTORC1 through modulating MTORC2 activation in esophageal squamous cell carcinoma. Cancer Lett 2019; 461:56-64. [PMID: 31319137 DOI: 10.1016/j.canlet.2019.07.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 07/06/2019] [Accepted: 07/11/2019] [Indexed: 12/29/2022]
Abstract
Esophageal squamous cell carcinoma (ESCC) is a deadly disease with dismal 5-year survival. Extracellular matrix protein 1 (ECM1) was identified as one of the most downregulated genes by transcriptomic analysis of normal esophageal/ESCC paired tissue samples. ECM1 plays oncogenic roles in cancer development in various cancer types. However, little is known about its role in ESCC. In vivo and in vitro functional assays coupled with analyses on public datasets and detailed molecular and mechanistic analyses were used to study the gene. We demonstrate that as opposed to the previously identified oncogenic role of ECM1a, ECM1b is a novel tumor suppressor in ESCC. ECM1 is significantly downregulated in ESCC and several other squamous cell carcinomas. ECM1b encodes a cellular protein that suppresses MYC protein expression and MTORC1 signaling activity. MTORC2 inactivation leads to suppressed MYC expression and MTORC1 signaling. ECM1b localizes to the endoplasmic reticulum and suppresses MTORC2 activation by inhibiting MTORC2/ribosome association. By regulating MTORC2/MYC/MTORC1 signaling, ECM1b suppresses general protein translation and enhances chemosensitivity. We provide evidence establishing a novel role of ECM1 in cancer that suggests ECM1b as a biomarker for ESCC disease management.
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Affiliation(s)
- Valen Zhuoyou Yu
- Department of Clinical Oncology, University of Hong Kong Li Ka Shing Faculty of Medicine, Pokfulam, Hong Kong
| | - Josephine Mun Yee Ko
- Department of Clinical Oncology, University of Hong Kong Li Ka Shing Faculty of Medicine, Pokfulam, Hong Kong
| | - Lvwen Ning
- Department of Clinical Oncology, University of Hong Kong Li Ka Shing Faculty of Medicine, Pokfulam, Hong Kong
| | - Wei Dai
- Department of Clinical Oncology, University of Hong Kong Li Ka Shing Faculty of Medicine, Pokfulam, Hong Kong
| | - Simon Law
- Department of Surgery, University of Hong Kong Li Ka Shing Faculty of Medicine, Pokfulam, Hong Kong
| | - Maria Li Lung
- Department of Clinical Oncology, University of Hong Kong Li Ka Shing Faculty of Medicine, Pokfulam, Hong Kong.
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Abstract
Glycans have been selected by nature for both structural and 'recognition' purposes. Taking inspiration from nature, nanomedicine exploits glycans not only as structural constituents of nanoparticles and nanostructured biomaterials but also as selective interactors of such glyco-nanotools. Surface glycosylation of nanoparticles finds application in targeting specific cells, whereas recent findings give evidence that the glycan content of cell microenvironment is able to induce the cell fate. This review will highlight the role of glycans in nanomedicine, schematizing the different uses and roles in drug-delivery systems and in biomaterials for regenerative medicine.
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5
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Niwa Y, Simizu S. C-Mannosylation: Previous Studies and Future Research Perspectives. TRENDS GLYCOSCI GLYC 2018. [DOI: 10.4052/tigg.1755.1j] [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)
- Yuki Niwa
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University
| | - Siro Simizu
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University
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6
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Niwa Y, Simizu S. C-Mannosylation: Previous Studies and Future Research Perspectives. TRENDS GLYCOSCI GLYC 2018. [DOI: 10.4052/tigg.1755.1e] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Yuki Niwa
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University
| | - Siro Simizu
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University
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7
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2013-2014. MASS SPECTROMETRY REVIEWS 2018; 37:353-491. [PMID: 29687922 DOI: 10.1002/mas.21530] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 11/29/2016] [Indexed: 06/08/2023]
Abstract
This review is the eighth update of the original article published in 1999 on the application of Matrix-assisted laser desorption/ionization mass spectrometry (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2014. Topics covered in the first part of the review include general aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, fragmentation, and arrays. The second part of the review is devoted to applications to various structural types such as oligo- and poly- saccharides, glycoproteins, glycolipids, glycosides, and biopharmaceuticals. Much of this material is presented in tabular form. The third part of the review covers medical and industrial applications of the technique, studies of enzyme reactions, and applications to chemical synthesis. © 2018 Wiley Periodicals, Inc. Mass Spec Rev 37:353-491, 2018.
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Affiliation(s)
- David J Harvey
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford, OX3 7FZ, United Kingdom
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8
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Otani K, Niwa Y, Suzuki T, Sato N, Sasazawa Y, Dohmae N, Simizu S. Regulation of granulocyte colony-stimulating factor receptor-mediated granulocytic differentiation by C-mannosylation. Biochem Biophys Res Commun 2018; 498:466-472. [DOI: 10.1016/j.bbrc.2018.02.210] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 02/28/2018] [Indexed: 10/17/2022]
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9
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Fitzgerald HC, Evans J, Johnson N, Infusini G, Webb A, Rombauts LJR, Vollenhoven BJ, Salamonsen LA, Edgell TA. Idiopathic infertility in women is associated with distinct changes in proliferative phase uterine fluid proteins†. Biol Reprod 2018; 98:752-764. [DOI: 10.1093/biolre/ioy063] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 03/09/2018] [Indexed: 12/12/2022] Open
Affiliation(s)
- Harriet C Fitzgerald
- Centre for Reproductive Health, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Jemma Evans
- Centre for Reproductive Health, Hudson Institute of Medical Research, Clayton, Victoria, Australia
| | - Nicholas Johnson
- Centre for Reproductive Health, Hudson Institute of Medical Research, Clayton, Victoria, Australia
| | - Giuseppe Infusini
- The Walter & Eliza Hall Institute of Medical Research and Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Andrew Webb
- The Walter & Eliza Hall Institute of Medical Research and Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Luk J R Rombauts
- Centre for Reproductive Health, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
- Monash IVF, Clayton, Victoria, Australia
- Monash Women's & Newborn Program, Monash Health, Victoria, Australia
| | - Beverley J Vollenhoven
- Centre for Reproductive Health, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
- Monash IVF, Clayton, Victoria, Australia
- Monash Women's & Newborn Program, Monash Health, Victoria, Australia
| | - Lois A Salamonsen
- Centre for Reproductive Health, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Tracey A Edgell
- Centre for Reproductive Health, Hudson Institute of Medical Research, Clayton, Victoria, Australia
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Niwa Y, Nakano Y, Suzuki T, Yamagishi M, Otani K, Dohmae N, Simizu S. Topological analysis of DPY19L3, a human C-mannosyltransferase. FEBS J 2018; 285:1162-1174. [PMID: 29405629 DOI: 10.1111/febs.14398] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 01/19/2018] [Accepted: 01/30/2018] [Indexed: 01/23/2023]
Abstract
C-mannosylation is a rare type of protein glycosylation, the functions and mechanisms of which remain unclear. Recently, we identified DPY19L3 as a C-mannosyltransferase of R-spondin1 in human cells. DPY19L3 is predicted to be a multipass transmembrane protein that localizes to the endoplasmic reticulum (ER); however, its structure is undetermined. In this study, we propose a topological structure of DPY19L3 by in silico analysis and experimental methods such as redox-sensitive luciferase assay and introduction of N-glycosylation sites, suggesting that DPY19L3 comprises 11 transmembrane regions and two re-entrant loops with the N- and C-terminal ends facing the cytoplasm and ER lumen, respectively. Furthermore, DPY19L3 has four predicted N-glycosylation sites, and we have demonstrated that DPY19L3 is N-glycosylated at Asn118 and Asn704 but not Asn319 and Asn439 , supporting our topological model. By mass spectrometry, we measured the C-mannosyltransferase activity of N-glycosylation-defective mutants of DPY19L3 and isoform2, a splice variant, which lacks the C-terminal luminal region of DPY19L3. Isoform2 does not possess C-mannosyltransferase activity, indicating the importance of the C-terminal region; however, N-glycosylations of DPY19L3 do not have any roles for its enzymatic activity. These novel findings on DPY19L3 provide important insights into the mechanism of C-mannosylation.
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Affiliation(s)
- Yuki Niwa
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, Japan
| | - Yoshihiko Nakano
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, Japan
| | - Takehiro Suzuki
- Biomolecular Characterization Unit, RIKEN Center for Sustainable Resource Science, Wako, Japan
| | - Mizuo Yamagishi
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, Japan
| | - Kei Otani
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, Japan
| | - Naoshi Dohmae
- Biomolecular Characterization Unit, RIKEN Center for Sustainable Resource Science, Wako, Japan
| | - Siro Simizu
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, Japan
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12
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Okamoto S, Murano T, Suzuki T, Uematsu S, Niwa Y, Sasazawa Y, Dohmae N, Bujo H, Simizu S. Regulation of secretion and enzymatic activity of lipoprotein lipase by C -mannosylation. Biochem Biophys Res Commun 2017; 486:558-563. [DOI: 10.1016/j.bbrc.2017.03.085] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 03/17/2017] [Indexed: 11/28/2022]
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13
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Fujiwara M, Kato S, Niwa Y, Suzuki T, Tsuchiya M, Sasazawa Y, Dohmae N, Simizu S. C-mannosylation of R-spondin3 regulates its secretion and activity of Wnt/β-catenin signaling in cells. FEBS Lett 2016; 590:2639-49. [DOI: 10.1002/1873-3468.12274] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 04/28/2016] [Accepted: 06/24/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Miho Fujiwara
- Department of Applied Chemistry; Faculty of Science and Technology; Keio University; Yokohama Japan
| | - Shintaro Kato
- Department of Applied Chemistry; Faculty of Science and Technology; Keio University; Yokohama Japan
| | - Yuki Niwa
- Department of Applied Chemistry; Faculty of Science and Technology; Keio University; Yokohama Japan
| | - Takehiro Suzuki
- Biomolecular Characterization Unit; RIKEN Center for Sustainable Resource Science; Wako Japan
| | - Miyu Tsuchiya
- Department of Applied Chemistry; Faculty of Science and Technology; Keio University; Yokohama Japan
| | - Yukiko Sasazawa
- Department of Applied Chemistry; Faculty of Science and Technology; Keio University; Yokohama Japan
| | - Naoshi Dohmae
- Biomolecular Characterization Unit; RIKEN Center for Sustainable Resource Science; Wako Japan
| | - Siro Simizu
- Department of Applied Chemistry; Faculty of Science and Technology; Keio University; Yokohama Japan
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14
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Tsuchiya M, Niwa Y, Simizu S. N-glycosylation of R-spondin1 at Asn137 negatively regulates its secretion and Wnt/β-catenin signaling-enhancing activity. Oncol Lett 2016; 11:3279-3286. [PMID: 27123103 PMCID: PMC4841080 DOI: 10.3892/ol.2016.4425] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Accepted: 03/18/2016] [Indexed: 11/06/2022] Open
Abstract
N-glycosylation is a post-translational protein modification with a wide variety of functions. It has been predicted that R-spondin1 (RSPO1) is N-glycosylated, although this remains unknown. The present study identified that RSPO1 was N-glycosylated at Asn137, and that N-glycosylation of RSPO1 negatively influenced its secretion and enhancing effect on Wnt/β-catenin signaling. In vitro treatment with peptide-N-glycosidase F increased the electrophoretic mobility of RSPO1. Furthermore, treatment of wild-type (wt) RSPO1-overexpressing HT1080 cells with tunicamycin (TM), which inhibits N-glycosylation, resulted in a significant reduction in the molecular weight of RSPO1. However, TM treatment had no effect in the RSPO1 mutant whereby the Asn137 residue was replaced by Gln (N137Q). These results demonstrated for the first time that RSPO1 is N-glycosylated at Asn137. RSPO1 is a secreted protein that has Wnt/β-catenin signaling-enhancing activity and is expected to have therapeutic applications. The role of N-glycosylation in RSPO1 was evaluated by conducting comparative experiments with wt and N137Q RSPO1, which revealed that the N137Q mutant increased the secretion and Wnt/β-catenin signaling-enhancing effect of RSPO1, compared with wt RSPO1. These results suggest that N-glycosylation of RSPO1 has a negative influence on its secretion and Wnt/β-catenin signaling-enhancing effect.
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Affiliation(s)
- Miyu Tsuchiya
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama 223-8522, Japan
| | - Yuki Niwa
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama 223-8522, Japan
| | - Siro Simizu
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama 223-8522, Japan
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