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Reyes-Weiss DS, Bligh M, Rhein-Knudsen N, Hehemann JH, Liebeke M, Westereng B, Horn SJ. Application of MALDI-MS for characterization of fucoidan hydrolysates and screening of endo-fucoidanase activity. Carbohydr Polym 2024; 340:122317. [PMID: 38858030 DOI: 10.1016/j.carbpol.2024.122317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 06/12/2024]
Abstract
Brown macroalgae synthesize large amounts of fucoidans, sulfated fucose-containing polysaccharides, in the ocean. Fucoidans are of importance for their recently discovered contribution to marine carbon dioxide sequestration and due to their potential applications in biotechnology and biomedicine. However, fucoidans have high intra- and intermolecular diversity that challenges assignment of structure to biological function and the development of applications. Fucoidan-active enzymes may be used to simplify this diversity by producing defined oligosaccharides more applicable for structural refinement, characterization, and structure to function assignment for example via bioassays. In this study, we combined MALDI mass spectrometry with biocatalysis to show that the endo-fucoidanases P5AFcnA and Wv323 can produce defined oligosaccharide structures directly from unrefined macroalgal biomass. P5AFcnA released oligosaccharides from seven commercial fucoidan extracts in addition to unrefined biomass of three macroalgae species indicating a broadly applicable approach reproducible across 10 species. Both MALDI-TOF/TOF and AP-MALDI-Orbitrap systems were used, demonstrating that the approach is not instrument-specific and exploiting their combined high-throughput and high-resolution capabilities. Overall, the combination of MALDI-MS and endo-fucoidanase assays offers high-throughput evaluation of fucoidan samples and also enables extraction of defined oligosaccharides of known structure from unrefined seaweed biomass.
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Affiliation(s)
- Diego S Reyes-Weiss
- Department of Chemistry, Biotechnology, and Life Science, Norwegian University of Life Sciences (NMBU), Christian Magnus Falsens vei 18, 1433 Ås, Norway
| | - Margot Bligh
- University of Bremen, MARUM Centre for Marine Environmental Sciences, Leobener Str. 8, D-28359 Bremen, Germany; Max Planck Institute for Marine Microbiology, Celsiusstr. 1, D-28359 Bremen, Germany
| | - Nanna Rhein-Knudsen
- Department of Chemistry, Biotechnology, and Life Science, Norwegian University of Life Sciences (NMBU), Christian Magnus Falsens vei 18, 1433 Ås, Norway
| | - Jan-Hendrik Hehemann
- University of Bremen, MARUM Centre for Marine Environmental Sciences, Leobener Str. 8, D-28359 Bremen, Germany; Max Planck Institute for Marine Microbiology, Celsiusstr. 1, D-28359 Bremen, Germany
| | - Manuel Liebeke
- Max Planck Institute for Marine Microbiology, Celsiusstr. 1, D-28359 Bremen, Germany; University of Kiel, Institute for Human Nutrition and Food Science, Heinrich-Hecht-Platz 10, 24118 Kiel, Germany
| | - Bjørge Westereng
- Department of Chemistry, Biotechnology, and Life Science, Norwegian University of Life Sciences (NMBU), Christian Magnus Falsens vei 18, 1433 Ås, Norway
| | - Svein Jarle Horn
- Department of Chemistry, Biotechnology, and Life Science, Norwegian University of Life Sciences (NMBU), Christian Magnus Falsens vei 18, 1433 Ås, Norway.
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2
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Li X, Sun H, Ning Z, Yang W, Cai Y, Yin R, Zhao J. Mild acid hydrolysis on Fucan sulfate from Stichopus herrmanni: Structures, depolymerization mechanism and anticoagulant activity. Food Chem 2022; 395:133559. [DOI: 10.1016/j.foodchem.2022.133559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 06/12/2022] [Accepted: 06/20/2022] [Indexed: 11/04/2022]
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3
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A novel thermostable prokaryotic fucoidan active sulfatase PsFucS1 with an unusual quaternary hexameric structure. Sci Rep 2021; 11:19523. [PMID: 34593864 PMCID: PMC8484680 DOI: 10.1038/s41598-021-98588-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Accepted: 09/06/2021] [Indexed: 12/20/2022] Open
Abstract
Fucoidans are sulfated, fucose-rich marine polysaccharides primarily found in cell walls of brown seaweeds (macroalgae). Fucoidans are known to possess beneficial bioactivities depending on their structure and sulfation degree. Here, we report the first functional characterization and the first crystal structure of a prokaryotic sulfatase, PsFucS1, belonging to sulfatase subfamily S1_13, able to release sulfate from fucoidan oligosaccharides. PsFucS1 was identified in the genome of a Pseudoalteromonas sp. isolated from sea cucumber gut. PsFucS1 (57 kDa) is Ca2+ dependent and has an unusually high optimal temperature (68 °C) and thermostability. Further, the PsFucS1 displays a unique quaternary hexameric structure comprising a tight trimeric dimer complex. The structural data imply that this hexamer formation results from an uncommon interaction of each PsFucS1 monomer that is oriented perpendicular to the common dimer interface (~ 1500 Å2) that can be found in analogous sulfatases. The uncommon interaction involves interfacing (1246 Å2) through a bundle of α-helices in the N-terminal domain to form a trimeric ring structure. The high thermostability may be related to this unusual quaternary hexameric structure formation that is suggested to represent a novel protein thermostabilization mechanism.
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Silchenko AS, Rasin AB, Zueva AO, Kusaykin MI, Zvyagintseva TN, Rubtsov NK, Ermakova SP. Discovery of a fucoidan endo-4O-sulfatase: Regioselective 4O-desulfation of fucoidans and its effect on anticancer activity in vitro. Carbohydr Polym 2021; 271:118449. [PMID: 34364583 DOI: 10.1016/j.carbpol.2021.118449] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 07/07/2021] [Accepted: 07/13/2021] [Indexed: 11/20/2022]
Abstract
Fucoidans are a class of sulfated fucose-containing bioactive polysaccharides produced by brown algae. The biological effects exhibited by fucoidans are thought to be related to their sulfation. However, the lack of methods for sulfation control does not allow for a reliable conclusion about the influence of the position of certain sulfate groups on the observed biological effects. We identified the gene encoding the endo-acting fucoidan sulfatase swf5 in the marine bacterium Wenyingzhuangia fucanilytica CZ1127T. This is the first report on the sequence of fucoidan endo-sulfatase. Sulfatase SWF5 belongs to the subfamily S1_22 of the family S1. SWF5 was shown to remove 4O-sulfation in fucoidans composed from the alternating α-(1→3)- and α-(1→4)-linked residues of sulfated L-fucose but not from fucoidans with the α-(1→3)-linked backbone. The endo-sulfatase was used to selectively prepare 4O-desulfated fucoidan derivatives. It was shown that the 4O-desulfated fucoidans inhibit colony formation of DLD-1 and MCF-7 cells less effectively than unmodified fucoidans. Presumably, 4O-sulfation makes a significant contribution to the anticancer activity of fucoidans.
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Affiliation(s)
- A S Silchenko
- Laboratory of Enzyme Chemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159, Prospect 100-let Vladivostoku, 690022 Vladivostok, Russia.
| | - A B Rasin
- Laboratory of Enzyme Chemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159, Prospect 100-let Vladivostoku, 690022 Vladivostok, Russia
| | - A O Zueva
- Laboratory of Enzyme Chemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159, Prospect 100-let Vladivostoku, 690022 Vladivostok, Russia
| | - M I Kusaykin
- Laboratory of Enzyme Chemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159, Prospect 100-let Vladivostoku, 690022 Vladivostok, Russia
| | - T N Zvyagintseva
- Laboratory of Enzyme Chemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159, Prospect 100-let Vladivostoku, 690022 Vladivostok, Russia
| | - N K Rubtsov
- Laboratory of Enzyme Chemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159, Prospect 100-let Vladivostoku, 690022 Vladivostok, Russia
| | - S P Ermakova
- Laboratory of Enzyme Chemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch of the Russian Academy of Sciences, 159, Prospect 100-let Vladivostoku, 690022 Vladivostok, Russia.
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5
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Li X, Li S, Liu J, Lin L, Sun H, Yang W, Cai Y, Gao N, Zhou L, Qin H, Yin R, Zhao J. A regular fucan sulfate from Stichopus herrmanni and its peroxide depolymerization: Structure and anticoagulant activity. Carbohydr Polym 2021; 256:117513. [DOI: 10.1016/j.carbpol.2020.117513] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 12/08/2020] [Accepted: 12/09/2020] [Indexed: 12/21/2022]
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Zayed A, El-Aasr M, Ibrahim ARS, Ulber R. Fucoidan Characterization: Determination of Purity and Physicochemical and Chemical Properties. Mar Drugs 2020; 18:E571. [PMID: 33228066 PMCID: PMC7699409 DOI: 10.3390/md18110571] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/17/2020] [Accepted: 11/17/2020] [Indexed: 12/13/2022] Open
Abstract
Fucoidans are marine sulfated biopolysaccharides that have heterogenous and complicated chemical structures. Various sugar monomers, glycosidic linkages, molecular masses, branching sites, and sulfate ester pattern and content are involved within their backbones. Additionally, sources, downstream processes, and geographical and seasonal factors show potential effects on fucoidan structural characteristics. These characteristics are documented to be highly related to fucoidan potential activities. Therefore, numerous chemical qualitative and quantitative determinations and structural elucidation methods are conducted to characterize fucoidans regarding their physicochemical and chemical features. Characterization of fucoidan polymers is considered a bottleneck for further biological and industrial applications. Consequently, the obtained results may be related to different activities, which could be improved afterward by further functional modifications. The current article highlights the different spectrometric and nonspectrometric methods applied for the characterization of native fucoidans, including degree of purity, sugar monomeric composition, sulfation pattern and content, molecular mass, and glycosidic linkages.
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Affiliation(s)
- Ahmed Zayed
- Institute of Bioprocess Engineering, Technical University of Kaiserslautern, Gottlieb-Daimler-Straße 49, 67663 Kaiserslautern, Germany;
- Department of Pharmacognosy, Tanta University, College of Pharmacy, El-Guish Street, Tanta 31527, Egypt; (M.E.-A.); (A.-R.S.I.)
| | - Mona El-Aasr
- Department of Pharmacognosy, Tanta University, College of Pharmacy, El-Guish Street, Tanta 31527, Egypt; (M.E.-A.); (A.-R.S.I.)
| | - Abdel-Rahim S. Ibrahim
- Department of Pharmacognosy, Tanta University, College of Pharmacy, El-Guish Street, Tanta 31527, Egypt; (M.E.-A.); (A.-R.S.I.)
| | - Roland Ulber
- Institute of Bioprocess Engineering, Technical University of Kaiserslautern, Gottlieb-Daimler-Straße 49, 67663 Kaiserslautern, Germany;
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7
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Jin W, Jiang D, Zhang W, Wang C, Xia K, Zhang F, Linhardt RJ. Interactions of fibroblast growth factors with sulfated galactofucan from Saccharina japonica. Int J Biol Macromol 2020; 160:26-34. [PMID: 32464202 PMCID: PMC10466213 DOI: 10.1016/j.ijbiomac.2020.05.183] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 05/14/2020] [Accepted: 05/22/2020] [Indexed: 01/09/2023]
Abstract
A total 68 types of marine algae oligosaccharides and polysaccharides were prepared and used to study the structure-activity relationship of oligosaccharides and polysaccharides in their interactions with fibroblast growth factors (FGF) 1 and 2. Factors considered include different types of algae, extraction methods, molecular weight, sulfate content and fractions. In the case of low molecular weight polysaccharide (SJ-D) from Saccharina japonica and its fractions eluting from anion exchange column, both 1.0 M NaCl fraction (SJ-D-I) and 2.0 M NaCl fraction (SJ-D-S) had stronger binding affinity than the parent SJ-D, suggesting that sulfated galactofucans represented the major tight binding component. Nuclear magnetic resonance showed that SJ-D-I was a typical sulfated galactofucan, composed of four units: 1, 3-linked 4-sulfated α-L-fucose (Fuc); 1, 3-linked 2, 4-disulfated α-L-Fuc; 1, 6-linked 4-sulfated β-D-Gal and/or 1, 6-linked 3, 4-sulfated β-D-Gal. Modification by autohydrolysis to oligosaccharides and desulfation decreased the FGF binding affinity while oversulfation increased the affinity. The solution-based affinities of SJ-D-I to FGF1 and FGF2 were 69 nM and 3.9 nM, suggesting that SJ-D-I showed better preferentially binding to FGF1 than a natural ligand, heparin, suggesting that sulfated galactofucan might represent a good regulator of FGF1.
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Affiliation(s)
- Weihua Jin
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China; Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Di Jiang
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Wenjing Zhang
- Department of Endocrinology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou 310016, China
| | - Chunyu Wang
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA; Department of Biological Science, Departments of Chemistry and Chemical Biology and Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Ke Xia
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Fuming Zhang
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA.
| | - Robert J Linhardt
- Department of Chemical and Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA; Department of Biological Science, Departments of Chemistry and Chemical Biology and Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA.
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8
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Fernando IPS, Sanjeewa KKA, Lee HG, Kim HS, Vaas APJP, De Silva HIC, Nanayakkara CM, Abeytunga DTU, Lee WW, Lee DS, Jeon YJ. Characterization and cytoprotective properties of Sargassum natans fucoidan against urban aerosol-induced keratinocyte damage. Int J Biol Macromol 2020; 159:773-781. [PMID: 32442565 DOI: 10.1016/j.ijbiomac.2020.05.132] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 05/14/2020] [Accepted: 05/17/2020] [Indexed: 01/01/2023]
Abstract
The escalation of fine particulate matter (PM) air pollution has recently become a global concern. Evidence is fast accumulating on PM exposure-related skin damage. The present study explored the therapeutic potentials of fucoidan purified from Sargassum natans against damaging effects of PM exposure on human HaCaT keratinocytes. Fucoidan (SNF7) was purified from S. natans by an enzyme-assisted extraction and purified by anion exchange chromatography. SNF7 (≈50 kDa) was identified as a fucoidan containing 70.97% fucose and 36.41 ± 0.59% of sulfate. Treatment of fine dust from Beijing, China (CFD) increased intracellular ROS levels in HaCaT cells triggering DNA damage and apoptosis. Treatment of SNF7 dose-dependently attenuated CFD-induced surge of intracellular ROS levels in keratinocytes by increasing antioxidant defense enzymes. Moreover, SNF7 chelated metal ions Pb2+, Ba2+, Sr2+, Cu2+, Fe2+, and Ca2+ coming from CFD. The results substantiated the potential therapeutic effects of SNF7 against CFD-induced oxidative stress. Further studies could promote SNF7's use as an active ingredient in cosmetics.
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Affiliation(s)
- Ilekuttige Priyan Shanura Fernando
- Department of Marine Bio-Food Sciences, Chonnam National University, Yeosu 59626, Republic of Korea; Department of Marine Life Science, Jeju National University, Jeju 690-756, Republic of Korea
| | | | - Hyo Geun Lee
- Department of Marine Life Science, Jeju National University, Jeju 690-756, Republic of Korea
| | - Hyun-Soo Kim
- National Marine Biodiversity Institute of Korea, 75, Jangsan-ro 101-gil, Janghang-eup, Seocheon, Republic of Korea
| | - Andaravaas Patabadige Jude Prasanna Vaas
- Department of Chemistry, University of Colombo, Colombo 3, Sri Lanka; School of Natural Sciences, University of Tasmania, Private Bag 75, Hobart, Tasmania 7001, Australia
| | | | | | | | - Won Woo Lee
- Freshwater Bioresources Utilization Division, Nakdonggang National Institute of Biological Resources, Sangju 37242, Republic of Korea
| | - Dae-Sung Lee
- National Marine Biodiversity Institute of Korea, 75, Jangsan-ro 101-gil, Janghang-eup, Seocheon, Republic of Korea.
| | - You-Jin Jeon
- Department of Marine Life Science, Jeju National University, Jeju 690-756, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province 63333, Republic of Korea.
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Zayed A, Ulber R. Fucoidans: Downstream Processes and Recent Applications. Mar Drugs 2020; 18:E170. [PMID: 32197549 PMCID: PMC7142712 DOI: 10.3390/md18030170] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 03/14/2020] [Accepted: 03/15/2020] [Indexed: 02/06/2023] Open
Abstract
Fucoidans are multifunctional marine macromolecules that are subjected to numerous and various downstream processes during their production. These processes were considered the most important abiotic factors affecting fucoidan chemical skeletons, quality, physicochemical properties, biological properties and industrial applications. Since a universal protocol for fucoidans production has not been established yet, all the currently used processes were presented and justified. The current article complements our previous articles in the fucoidans field, provides an updated overview regarding the different downstream processes, including pre-treatment, extraction, purification and enzymatic modification processes, and shows the recent non-traditional applications of fucoidans in relation to their characters.
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Affiliation(s)
- Ahmed Zayed
- Institute of Bioprocess Engineering, Technical University of Kaiserslautern, Gottlieb-Daimler-Straße 49, 67663 Kaiserslautern, Germany;
- Department of Pharmacognosy, Tanta University, College of Pharmacy, El Guish Street, Tanta 31527, Egypt
| | - Roland Ulber
- Institute of Bioprocess Engineering, Technical University of Kaiserslautern, Gottlieb-Daimler-Straße 49, 67663 Kaiserslautern, Germany;
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Pharmaceutical Development and Safety Evaluation of a GMP-Grade Fucoidan for Molecular Diagnosis of Cardiovascular Diseases. Mar Drugs 2019; 17:md17120699. [PMID: 31842319 PMCID: PMC6949921 DOI: 10.3390/md17120699] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/04/2019] [Accepted: 12/09/2019] [Indexed: 12/21/2022] Open
Abstract
The adhesion molecule P-selectin is present on the cell surface of both activated endothelium and activated platelets. The present study describes the pharmaceutical development, safety evaluation, and preclinical efficacy of a micro-dosed radiotracer. The macromolecular nanoscale assembly consisted of a natural compound made of a sulfated fucose-rich polysaccharides (fucoidan) and a radionuclide (technetium-99m) for the detection of P-selectin expression in cardiovascular diseases. After extraction and fractionation from brown seaweeds, the good manufacturing practice (GMP) production of a low molecular weight (LMW) fucoidan of 7 kDa was achieved and full physicochemical characterization was performed. The regulatory toxicology study in rats of the GMP batch of LMW fucoidan revealed no adverse effects up to 400 μg/kg (×500 higher than the expected human dose) and pseudoallergy was not seen as well. In a myocardial ischemia-reperfusion model in rats, the GMP-grade LMW fucoidan labeled with technetium-99m detected P-selectin upregulation in vivo. The present study supports the potential of using 99mTc-fucoidan as an imaging agent to detect activated endothelium in humans.
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Yang Z, Yin J, Wang Y, Wang J, Xia B, Li T, Yang X, Hu S, Ji C, Guo S. The fucoidan A3 from the seaweed Ascophyllum nodosum enhances RCT-related genes expression in hyperlipidemic C57BL/6J mice. Int J Biol Macromol 2019; 134:759-769. [PMID: 31100394 DOI: 10.1016/j.ijbiomac.2019.05.070] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 05/03/2019] [Accepted: 05/11/2019] [Indexed: 12/13/2022]
Abstract
Reverse cholesterol transport (RCT) has been demonstrated to reduce hyperlipidemia, and fucoidans are found to possess hypolipidemic effect. This study was designed to investigate the lipid-lowering effect of the fucoidan from the brown seaweed A. nodosum and whether it improves RCT-related genes expression in C57 BL/6J mice. Our results indicated that fucoidan A3 (100 mg/kg/day) intervention significantly reduced plasma total cholesterol (~23.2%), triglyceride (~48.7%) and fat pad index. This fucoidan significantly increased the mRNA expression of low-density lipoprotein receptor (LDLR), scavenger receptor B type 1 (SR-B1), cholesterol 7 alpha-hydroxylase A1 (CYP7A1), liver X receptor (LXR) β, ATP-binding cassette transporter (ABC) A1 and sterol regulatory element-binding protein (SREBP) 1c, and decreased the expression of peroxisome proliferator-activated receptor (PPAR) γ, however, it had no effect on the expression of proprotein convertase subtilisin/kexin type 9, PPARα, LXRα, SREBP-2, ABCG1, ABCG8 and Niemann-Pick C1-like 1. These results demonstrated that this fucoidan improved lipid transfer from plasma to the liver by activating SR-B1 and LDLR, and up-regulated lipid metabolism by activating LXRβ, ABCA1 and CYP7A1. In conclusion, this fucoidan lowers lipid by enhancing RCT-related genes expression, and it can be explored as a potential candidate for prevention or treatment of lipid disorders.
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Affiliation(s)
- Zixun Yang
- Institute of Lipid Metabolism and Atherosclerosis, Innovative Drug Research Centre, School of Pharmacy, Weifang Medical University, Weifang 261053, China; College of Pharmacy Engineering Research Center for Medicine, Harbin University of Commerce, Harbin 150076, China
| | - Jiayu Yin
- Institute of Lipid Metabolism and Atherosclerosis, Innovative Drug Research Centre, School of Pharmacy, Weifang Medical University, Weifang 261053, China; College of Pharmacy Engineering Research Center for Medicine, Harbin University of Commerce, Harbin 150076, China
| | - Yufeng Wang
- Nanjing Well Pharmaceutical Co., Ltd., Nanjing 210042, China
| | - Jin Wang
- Institute of Lipid Metabolism and Atherosclerosis, Innovative Drug Research Centre, School of Pharmacy, Weifang Medical University, Weifang 261053, China
| | - Bin Xia
- Institute of Lipid Metabolism and Atherosclerosis, Innovative Drug Research Centre, School of Pharmacy, Weifang Medical University, Weifang 261053, China; College of Pharmacy Engineering Research Center for Medicine, Harbin University of Commerce, Harbin 150076, China
| | - Ting Li
- Institute of Lipid Metabolism and Atherosclerosis, Innovative Drug Research Centre, School of Pharmacy, Weifang Medical University, Weifang 261053, China; College of Pharmacy Engineering Research Center for Medicine, Harbin University of Commerce, Harbin 150076, China
| | - Xiaoqian Yang
- Institute of Lipid Metabolism and Atherosclerosis, Innovative Drug Research Centre, School of Pharmacy, Weifang Medical University, Weifang 261053, China; College of Pharmacy Engineering Research Center for Medicine, Harbin University of Commerce, Harbin 150076, China
| | - Shumei Hu
- Institute of Lipid Metabolism and Atherosclerosis, Innovative Drug Research Centre, School of Pharmacy, Weifang Medical University, Weifang 261053, China
| | - Chenfeng Ji
- College of Pharmacy Engineering Research Center for Medicine, Harbin University of Commerce, Harbin 150076, China.
| | - Shoudong Guo
- Institute of Lipid Metabolism and Atherosclerosis, Innovative Drug Research Centre, School of Pharmacy, Weifang Medical University, Weifang 261053, China.
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Kopplin G, Rokstad AM, Mélida H, Bulone V, Skjåk-Bræk G, Aachmann FL. Structural Characterization of Fucoidan from Laminaria hyperborea: Assessment of Coagulation and Inflammatory Properties and Their Structure–Function Relationship. ACS APPLIED BIO MATERIALS 2018; 1:1880-1892. [DOI: 10.1021/acsabm.8b00436] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Georg Kopplin
- Norwegian Biopolymer Laboratory (NOBIPOL), Department of Biotechnology, NTNU, Trondheim 7491, Norway
| | - Anne Mari Rokstad
- Centre of Molecular Inflammation Research (CEMIR), Department of Clinical and Molecular Medicine, NTNU, Trondheim 7030, Norway
| | - Hugo Mélida
- Division of Glycoscience, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology (KTH), Stockholm SE-10691, Sweden
| | - Vincent Bulone
- Division of Glycoscience, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology (KTH), Stockholm SE-10691, Sweden
| | - Gudmund Skjåk-Bræk
- Norwegian Biopolymer Laboratory (NOBIPOL), Department of Biotechnology, NTNU, Trondheim 7491, Norway
| | - Finn Lillelund Aachmann
- Norwegian Biopolymer Laboratory (NOBIPOL), Department of Biotechnology, NTNU, Trondheim 7491, Norway
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13
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Fucoidan Sulfatases from Marine Bacterium Wenyingzhuangia fucanilytica CZ1127 T. Biomolecules 2018; 8:biom8040098. [PMID: 30248971 PMCID: PMC6315715 DOI: 10.3390/biom8040098] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 09/14/2018] [Accepted: 09/14/2018] [Indexed: 01/01/2023] Open
Abstract
Fucoidans belong to a structurally heterogeneous class of sulfated polysaccharides isolated from brown algae. They have a wide spectrum of biological activities. The complex structures of these polysaccharides hinder structure-activity relationships determination. Fucoidan sulfatases can make useful tools for the determination of the fine chemical structure of fucoidans. In this study, identification and preparation of two recombinant sulfatases able to catalyze the cleavage of sulfate groups from fragments of fucoidan molecules is described for the first time. Two genes of sulfatases swf1 and swf4 of the marine bacterium Wenyingzhuangia fucanilytica CZ1127T were cloned and the proteins were produced in Escherichia coli cells. Sulfatases SWF1 and SWF4 are assigned to S1_17 and S1_25 subfamilies of formylglycine-dependent enzymes of S1 family (SulfAtlas). Some molecular and biochemical characteristics of recombinant fucoidan sulfatases have been studied. Detailed specificity and catalytic features of sulfatases were determined using various sulfated fucooligosaccharides. Structures of products produced by SWF1 and SWF4 were established by nuclear magnetic resonance (NMR) spectroscopy. Based on the obtained data, the enzymes are classified as fucoidan exo-2O-sulfatase (SWF1) and fucoidan exo-3O-sulfatase (SWF4). In addition, we demonstrated the sequential action of sulfatases on 2,3-di-O-sulfated fucooligosacchrides, which indicates an exolitic degradation pathway of fucoidan by a marine bacterium W. fucanilytica CZ1127T.
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Lim SJ, Wan Aida WM, Maskat MY, Latip J, Badri KH, Hassan O, Yamin BM. Characterisation of fucoidan extracted from Malaysian Sargassum binderi. Food Chem 2016; 209:267-73. [PMID: 27173562 DOI: 10.1016/j.foodchem.2016.04.058] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 03/26/2016] [Accepted: 04/16/2016] [Indexed: 01/22/2023]
Abstract
Fucoidan is a sulphated polysaccharide that consists mainly of fucose, normally found in brown seaweeds. In this study, fucoidan was extracted from Sargassum binderi (Fsar) from Malaysia and subsequently characterised. The chemical characteristics of Fsar were found to be different than those of commercial food grade fucoidan (Fysk) and those of previously studied fucoidans. NMR analysis proposed that the main structure of Fsar is →3)fuc-2-OSO3(-)(1→3)fuc(1→. The molecular weight (47.87kDa) and degree of sulphation (0.20) of Fsar were higher than those of Fysk, at 27.98kDa and 0.15, respectively. However, Fsar's polydispersity index (1.12) and fucose content (34.50%) were lower than those of Fysk, at 1.88 and 43.30%, respectively. Both Fsar and Fysk showed similar thermo-gravimetric properties with four mass losses, amorphous in nature and negative optical rotations. Results show that Fsar has fundamental characteristics of fucoidan with different structural conformation i.e. variation in glycosidic linkages and sulphate group orientation.
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Affiliation(s)
- Seng Joe Lim
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
| | - Wan Mustapha Wan Aida
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
| | - Mohamad Yusof Maskat
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
| | - Jalifah Latip
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
| | - Khairiah Haji Badri
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
| | - Osman Hassan
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
| | - Bohari M Yamin
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
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Purification, expression and characterization of a novel α-l-fucosidase from a marine bacteria Wenyingzhuangia fucanilytica. Protein Expr Purif 2016; 129:9-17. [PMID: 27576198 DOI: 10.1016/j.pep.2016.08.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Revised: 08/23/2016] [Accepted: 08/25/2016] [Indexed: 11/22/2022]
Abstract
α-l-Fucosyl residues are frequently found in oligosaccharides, polysaccharides and glycoconjugates which play fundamental roles in various biological processes. α-l-Fucosidases, glycoside hydrolases for catalyzing the removal of α-l-fucose, can serve as desirable tools in the study and the modification of fucose-containing biomolecules. In this study, an α-l-fucosidase named as Alf1_Wf was purified from a marine bacterium Wenyingzhuangia fucanilytica by using a combination of chromatographic procedures. The sequence of Alf1_Wf was identified via proteomics analysis against the predicted proteome of the bacterium. Recombinant Alf1_Wf with 6×His tag was expressed in E. coli and showed α-l-fucosidase activity. Sequence annotation revealed that Alf1_Wf contained a combination of GH29 catalytic domain and CBM35 accessory domain. Alf1_Wf was confirmed as a member of GH29-A subfamily based on the phylogenetic analysis. Furthermore, biochemical properties and kinetic characteristics of the enzyme were also determined. Substrate specificity determination showed that Alf1_Wf was capable in hydrolyzing α1,4-fucosidic linkage and synthetic substrate pNP-fucose. Besides, Alf1_Wf could act on partially degraded fucoidan. This study successfully purified, identified, cloned, expressed and characterized a novel α-l-fucosidase, and meanwhile revealed a new multidomain structure of glycoside hydrolase. The knowledge gained from this study should facilitate the further research and application of α-l-fucosidases.
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Lim SJ, Mustapha WAW, Maskat MY, Latip J, Badri KH, Hassan O. Chemical properties and toxicology studies of fucoidan extracted from Malaysian Sargassum binderi. Food Sci Biotechnol 2016; 25:23-29. [PMID: 30263482 DOI: 10.1007/s10068-016-0094-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Revised: 03/04/2016] [Accepted: 03/06/2016] [Indexed: 10/21/2022] Open
Abstract
Fucoidan is a sulfated polysaccharide that consists mainly of fucose and is found in brown seaweeds. In this study, fucoidan was extracted from Sargassum binderi (Fsar) from Malaysia and subsequently characterized in terms of composition, structure and toxicology. It was found that the molecular weight, polydispersity index, monosaccharide profile and degree of sulfation of Fsar differed from those of commercial food-grade fucoidan (Fysk). NMR analysis suggested that the main structure of Fsar was →3)fuc-2-OSO3 -(1→3)fuc-2-OSO3 -(1→. A cytotoxicity study employing up to 200 mg/mL Sargassum binderi extract showed that cell inhibition was less than 50% (IC50), while acute toxicity results classified S. binderi as category 5 (unclassified) according to the OECD Guideline 423, as no mortality was observed at the highest dosage (2,000 mg/kg). Both toxicity results showed that this material is safe to be consumed. The chemical characteristics and non-toxicity of Fsar demonstrate its potential in biological and food product applications.
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Affiliation(s)
- Seng Joe Lim
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
| | - Wan Aida Wan Mustapha
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
| | - Mohamad Yusof Maskat
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
| | - Jalifah Latip
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
| | - Khairiah Haji Badri
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
| | - Osman Hassan
- School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
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Jin W, Zhang W, Liang H, Zhang Q. The Structure-Activity Relationship between Marine Algae Polysaccharides and Anti-Complement Activity. Mar Drugs 2015; 14:3. [PMID: 26712768 PMCID: PMC4728500 DOI: 10.3390/md14010003] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 12/02/2015] [Accepted: 12/13/2015] [Indexed: 11/17/2022] Open
Abstract
In this study, 33 different polysaccharides were prepared to investigate the structure-activity relationships between the polysaccharides, mainly from marine algae, and anti-complement activity in the classical pathway. Factors considered included extraction methods, fractionations, molecular weight, molar ratio of galactose to fucose, sulfate, uronic acid (UA) content, linkage, branching, and the type of monosaccharide. It was shown that the larger the molecular weights, the better the activities. The molar ratio of galactose (Gal) to fucose (Fuc) was a positive factor at a concentration lower than 10 µg/mL, while it had no effect at a concentration more than 10 µg/mL. In addition, sulfate was necessary; however, the sulfate content, the sulfate pattern, linkage and branching had no effect at a concentration of more than 10 µg/mL. Moreover, the type of monosaccharide had no effect. Laminaran and UA fractions had no activity; however, they could reduce the activity by decreasing the effective concentration of the active composition when they were mixed with the active compositions. The effect of the extraction methods could not be determined. Finally, it was observed that sulfated galactofucan showed good anti-complement activity after separation.
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Affiliation(s)
- Weihua Jin
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China.
| | - Wenjing Zhang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
- College of Earth Science, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Hongze Liang
- The School of Materials Sciences and Chemical Engineering, Ningbo University, Ningbo 315211, China.
| | - Quanbin Zhang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China.
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Lakshmana Senthil S, Vinoth Kumar T, Geetharamani D, Suja G, Yesudas R, Chacko A. Fucoidan - An α-amylase inhibitor from Sargassum wightii with relevance to NIDDM. Int J Biol Macromol 2015; 81:644-7. [PMID: 26325676 DOI: 10.1016/j.ijbiomac.2015.08.065] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 08/17/2015] [Accepted: 08/26/2015] [Indexed: 10/23/2022]
Abstract
The present experiment was conducted to screen the α-amylase inhibitory activity of fucoidan extracted from Sargassum wightii collected at the coastal area of Mandapam, Tamil Nadu, India. Fucoidan was extracted from the sporophyll of S. Wightii by ethanol and CaCl2 precipitation method. The average yield was 1.8±0.16% and the extracted fucoidan was found to contain 53±0.52% of fucose and 36±0.60% of sulphate. Structural elucidation (FT-IR and NMR) and in vitro α-amylase activity of purified fucoidon were performed. Fucoidan at the concentration of 62.5, 125 and 250μg exhibited 24.81, 62.50 and 99.24% inhibition against α-amylase, respectively, in a dose dependent manner. Fucoidan from S. wightii also inhibits α-glucosidase which clearly indicates dual inhibitory activity of the compound. The IC50 value against α-amylase of fucoidan is found to be 103.83μg which is more effective than that of acarbose (16mg).
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Affiliation(s)
- S Lakshmana Senthil
- CMS College of Science and Commerce, Chinnavedampati (PO), Coimbatore, Tamil Nadu, India
| | - T Vinoth Kumar
- CMS College of Science and Commerce, Chinnavedampati (PO), Coimbatore, Tamil Nadu, India.
| | - D Geetharamani
- Dr. N.G.P. College of Arts and Science, Coimbatore, Tamil Nadu, India
| | - G Suja
- CMS College of Science and Commerce, Chinnavedampati (PO), Coimbatore, Tamil Nadu, India
| | - Rincy Yesudas
- CMS College of Science and Commerce, Chinnavedampati (PO), Coimbatore, Tamil Nadu, India
| | - Amrutha Chacko
- CMS College of Science and Commerce, Chinnavedampati (PO), Coimbatore, Tamil Nadu, India
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Purification and Characterization of a Fucoidanase (FNase S) from a Marine Bacterium Sphingomonas paucimobilis PF-1. Mar Drugs 2015; 13:4398-417. [PMID: 26193285 PMCID: PMC4515624 DOI: 10.3390/md13074398] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Revised: 07/01/2015] [Accepted: 07/06/2015] [Indexed: 11/17/2022] Open
Abstract
The Search for enzyme activities that efficiently degrade marine polysaccharides is becoming an increasingly important area for both structural analysis and production of lower-molecular weight oligosaccharides. In this study, an endo-acting fucoidanase that degrades Miyeokgui fucoidan (MF), a sulfated galactofucan isolated from the sporophyll (called Miyeokgui in Korean) of Undaria pinnatifida, into smaller-sized galactofuco-oligosaccharides (1000-4000 Da) was purified from a marine bacterium, Sphingomonas paucimobilis PF-1, by ammonium sulfate precipitation, diethylaminoethyl (DEAE)-Sepharose column chromatography, and chromatofocusing. The specific activity of this enzyme was approximately 112-fold higher than that of the crude enzyme, and its molecular weight was approximately 130 kDa (FNase S), as determined by native gel electrophoresis and 130 (S1), 70 (S2) and 60 (S3) kDa by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). The optimum pH and temperature of FNase S were pH 6.0-7.0 and 40-45 °C, respectively. FNase S activity was enhanced by Mn2+ and Na+ (115.7% and 131.2%), but it was inhibited by Ca2+, K+, Ba2+, Cu2+ (96%, 83.7%, 84.3%, and 89.3%, respectively), each at 1 mM. The Km, Vmax and Kcat values of FNase S on MF were 1.7 mM, 0.62 mg·min-1, and 0.38·S-1, respectively. This enzyme could be a valuable tool for the structural analysis of fucoidans and production of bioactive fuco-oligosaccharides.
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Saboural P, Chaubet F, Rouzet F, Al-Shoukr F, Ben Azzouna R, Bouchemal N, Picton L, Louedec L, Maire M, Rolland L, Potier G, Le Guludec D, Letourneur D, Chauvierre C. Purification of a low molecular weight fucoidan for SPECT molecular imaging of myocardial infarction. Mar Drugs 2014; 12:4851-67. [PMID: 25251032 PMCID: PMC4178488 DOI: 10.3390/md12094851] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 09/05/2014] [Accepted: 09/09/2014] [Indexed: 12/19/2022] Open
Abstract
Fucoidans constitute a large family of sulfated polysaccharides with several biochemical properties. A commercial fucoidan from brown algae, containing low molecular weight polysaccharidic species constituted of l-fucose, uronic acids and sulfate groups, was simply treated here with calcium acetate solution. This treatment led to a purified fraction with a yield of 45%. The physicochemical characterizations of the purified fucoidan using colorimetric assay, MALLS, dRI, FT-IR, NMR, exhibited molecular weight distributions and chemical profiles similar for both fucoidans whereas the sulfate and l-fucose contents increased by 16% and 71%, respectively. The biodistribution study in rat of both compounds labeled with 99mTc evidenced a predominant renal elimination of the purified fucoidan, but the crude fucoidan was mainly retained in liver and spleen. In rat myocardial ischemia-reperfusion, we then demonstrated the better efficiency of the purified fucoidan. This purified sulfated polysaccharide appears promising for the development of molecular imaging in acute coronary syndrome.
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Affiliation(s)
- Pierre Saboural
- Inserm, U1148, LVTS, Paris Diderot University, Bichat-Claude Bernard Hospital, F-75877, Paris, France; E-Mails: (P.S.); (F.C.); (F.R.); (F.A.-S.); (R.B.A.); (L.L.); (M.M.); (D.L.G.); (D.L.)
- Galilée Institute, Paris 13 University, Sorbonne Paris Cité, F-93430, Villetaneuse, France
| | - Frédéric Chaubet
- Inserm, U1148, LVTS, Paris Diderot University, Bichat-Claude Bernard Hospital, F-75877, Paris, France; E-Mails: (P.S.); (F.C.); (F.R.); (F.A.-S.); (R.B.A.); (L.L.); (M.M.); (D.L.G.); (D.L.)
- Galilée Institute, Paris 13 University, Sorbonne Paris Cité, F-93430, Villetaneuse, France
| | - Francois Rouzet
- Inserm, U1148, LVTS, Paris Diderot University, Bichat-Claude Bernard Hospital, F-75877, Paris, France; E-Mails: (P.S.); (F.C.); (F.R.); (F.A.-S.); (R.B.A.); (L.L.); (M.M.); (D.L.G.); (D.L.)
- Multimodal Imaging Research Federation (FRIM), Paris Diderot University, F-75877, Paris, France
- Nuclear Medicine Department, Bichat-Claude Bernard Hospital, AP-HP, F-75877, Paris, France
| | - Faisal Al-Shoukr
- Inserm, U1148, LVTS, Paris Diderot University, Bichat-Claude Bernard Hospital, F-75877, Paris, France; E-Mails: (P.S.); (F.C.); (F.R.); (F.A.-S.); (R.B.A.); (L.L.); (M.M.); (D.L.G.); (D.L.)
- Multimodal Imaging Research Federation (FRIM), Paris Diderot University, F-75877, Paris, France
- Nuclear Medicine Department, Bichat-Claude Bernard Hospital, AP-HP, F-75877, Paris, France
| | - Rana Ben Azzouna
- Inserm, U1148, LVTS, Paris Diderot University, Bichat-Claude Bernard Hospital, F-75877, Paris, France; E-Mails: (P.S.); (F.C.); (F.R.); (F.A.-S.); (R.B.A.); (L.L.); (M.M.); (D.L.G.); (D.L.)
- Galilée Institute, Paris 13 University, Sorbonne Paris Cité, F-93430, Villetaneuse, France
- Multimodal Imaging Research Federation (FRIM), Paris Diderot University, F-75877, Paris, France
- Nuclear Medicine Department, Bichat-Claude Bernard Hospital, AP-HP, F-75877, Paris, France
| | - Nadia Bouchemal
- Laboratory CSPBAT, Paris 13 University, Sorbonne Paris Cité, CNRS UMR 7244, SBMB team, F-93017, Bobigny, France; E-Mail:
| | - Luc Picton
- Laboratory of Polymers Biopolymers Surfaces, Normandie University, Rouen University, F-76821, Mont Saint Aignan, France; E-Mail:
- Laboratory of Polymers Biopolymers Surfaces, CNRS, UMR 6270 and FR3038, F-76821, Mont Saint Aignan, France
| | - Liliane Louedec
- Inserm, U1148, LVTS, Paris Diderot University, Bichat-Claude Bernard Hospital, F-75877, Paris, France; E-Mails: (P.S.); (F.C.); (F.R.); (F.A.-S.); (R.B.A.); (L.L.); (M.M.); (D.L.G.); (D.L.)
| | - Murielle Maire
- Inserm, U1148, LVTS, Paris Diderot University, Bichat-Claude Bernard Hospital, F-75877, Paris, France; E-Mails: (P.S.); (F.C.); (F.R.); (F.A.-S.); (R.B.A.); (L.L.); (M.M.); (D.L.G.); (D.L.)
- Galilée Institute, Paris 13 University, Sorbonne Paris Cité, F-93430, Villetaneuse, France
| | - Lydia Rolland
- Algues & Mer, Kernigou, F-29242, Ouessant, France; E-Mails: (L.R.); (G.P.)
| | - Guy Potier
- Algues & Mer, Kernigou, F-29242, Ouessant, France; E-Mails: (L.R.); (G.P.)
| | - Dominique Le Guludec
- Inserm, U1148, LVTS, Paris Diderot University, Bichat-Claude Bernard Hospital, F-75877, Paris, France; E-Mails: (P.S.); (F.C.); (F.R.); (F.A.-S.); (R.B.A.); (L.L.); (M.M.); (D.L.G.); (D.L.)
- Multimodal Imaging Research Federation (FRIM), Paris Diderot University, F-75877, Paris, France
- Nuclear Medicine Department, Bichat-Claude Bernard Hospital, AP-HP, F-75877, Paris, France
| | - Didier Letourneur
- Inserm, U1148, LVTS, Paris Diderot University, Bichat-Claude Bernard Hospital, F-75877, Paris, France; E-Mails: (P.S.); (F.C.); (F.R.); (F.A.-S.); (R.B.A.); (L.L.); (M.M.); (D.L.G.); (D.L.)
- Galilée Institute, Paris 13 University, Sorbonne Paris Cité, F-93430, Villetaneuse, France
| | - Cédric Chauvierre
- Inserm, U1148, LVTS, Paris Diderot University, Bichat-Claude Bernard Hospital, F-75877, Paris, France; E-Mails: (P.S.); (F.C.); (F.R.); (F.A.-S.); (R.B.A.); (L.L.); (M.M.); (D.L.G.); (D.L.)
- Galilée Institute, Paris 13 University, Sorbonne Paris Cité, F-93430, Villetaneuse, France
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +33-1-4025-7538; Fax: +33-1-4025-8602
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Anastyuk SD, Imbs TI, Shevchenko NM, Dmitrenok PS, Zvyagintseva TN. ESIMS analysis of fucoidan preparations from Costaria costata, extracted from alga at different life-stages. Carbohydr Polym 2012; 90:993-1002. [PMID: 22840031 DOI: 10.1016/j.carbpol.2012.06.033] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2012] [Revised: 06/10/2012] [Accepted: 06/13/2012] [Indexed: 11/24/2022]
Abstract
Four fucoidan fractions from brown alga Costaria costata, collected at different life-stages: vegetative, May (5F2 and 5F3) and generative, July (7F1 and 7F2) collections were characterized. It was found that seaweed synthesizes different set of fucoidans - one with high fucose content and substantial percentage of hexoses and uronic acid and lower sulfate content (7F1, 5F2 and 5F3) and other - highly sulfated galactofucan (7F2). Structural features of fractions 7F2 and 5F3 were predominantly determined by mass spectrometric analysis of low-molecular-weight (LMW) oligosaccharide fragments, obtained by autohydrolysis of 7F2 and mild acid hydrolysis of 5F3 fucoidans. It was found that oligosaccharides from 7F2 fractions were mainly built up of sulfated at C-2 and/or at C-2/C-4 (1→3)-linked α-l-fucopyranose residues. d-Galactose residues, sulfated either at C-2 or C-6, were found as parts of mixed di- and trisaccharides at both termini and, probably, internal. Fucose residues in 5F3 fucoidan fragments were sulfated at C-2 and sometimes at C-4. Galactose residues were sulfated at C-4 and less frequently at C-2. Resistant to hydrolysis fraction was probably a core, built up with fucose, mannose and glucuronic acid. Presumably, oligosaccharide fragments were branches at C-4 of GlcA. They were sulfated at C-2 and sometimes at C-4 (1→3)- and/or (1→4)-linked fucooligosaccharides (sometimes terminated with (1→3)-linked galactose) and sulfated at C-4 or C-2 (1→4)- or, probably, (1→6)-linked galactooligosaccharides, probably, with own branches, formed by (1→2)-linked galactose residues. Unsulfated xylose residues were probably terminal in chains built up of fucose. It was confirmed, that monosaccharide content and structure of fucoidans of vegetative algae changed following its life stage. Generative alga in general produced highly sulfated galactofucan having lower MW along with less sulfated mannoglucuronofucan with higher MW, which was extensively synthesized by vegetative algae.
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Affiliation(s)
- Stanislav D Anastyuk
- GB Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch, Russian Academy of Sciences, 100 Let Vladivostoku Prosp. 159, 690022 Vladivostok, Russian Federation.
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Park K, Cho E, In MJ, Kim DC, Chae HJ. Physicochemical properties and bioactivity of brown seaweed fucoidan prepared by ultra high pressure-assisted enzyme treatment. KOREAN J CHEM ENG 2011. [DOI: 10.1007/s11814-011-0165-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Foley SA, Szegezdi E, Mulloy B, Samali A, Tuohy MG. An unfractionated fucoidan from Ascophyllum nodosum: extraction, characterization, and apoptotic effects in vitro. JOURNAL OF NATURAL PRODUCTS 2011; 74:1851-61. [PMID: 21875034 DOI: 10.1021/np200124m] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
An unfractionated fucoidan was extracted from the brown alga Ascophyllum nodosum. Extraction of fucoidan from seaweed was carried out using an innovative low-chemical process. A combinational approach involving compositional analysis, HPAEC, IR analysis, GPC, and NMR was employed to elucidate the composition and structure of an unfractionated fucoidan from A. nodosum. This fucoidan is composed mainly of fucose (52.1%), and also galactose (6.1%), glucose (21.3%), and xylose (16.5%). Sulfate content was determined to be 19%. GPC data indicated a polydisperse fucoidan containing two main size fractions (47 and 420 kDa). NMR analyses revealed a fucoidan displaying broad, complex signals as expected for such a high molecular weight and heterogeneous polymer with resonances consistent with a fucoidan isolated previously from A. nodosum. The effects of fucoidan on the apoptosis of human colon carcinoma cells and fucoidan-mediated signaling pathways were also investigated. Fucoidan decreased cell viability and induced apoptosis of HCT116 colon carcinoma cells. Fucoidan treatment of HCT116 cells induced activation of caspases-9 and -3 and the cleavage of PARP, led to apoptotic morphological changes, and altered mitochondrial membrane permeability. These results detail the structure and biological activity of an unfractionated fucoidan from A. nodosum.
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Affiliation(s)
- Sarah A Foley
- Department of Biochemistry, School of Natural Sciences, National University of Ireland, Galway, Ireland.
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Clément MJ, Tissot B, Chevolot L, Adjadj E, Du Y, Curmi PA, Daniel R. NMR characterization and molecular modeling of fucoidan showing the importance of oligosaccharide branching in its anticomplementary activity. Glycobiology 2010; 20:883-94. [PMID: 20356826 DOI: 10.1093/glycob/cwq046] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Fucoidan is a potent inhibitor of the human complement system whose activity is mediated through interactions with certain proteins belonging to the classical pathway, particularly the protein C4. Branched fucoidan oligosaccharides displayed a higher anticomplementary activity as compared to linear structures. Nuclear magnetic resonance (NMR) characterization of the branched oligosaccharides and saturation transfer difference-NMR experiment of the interaction with the protein C4 allowed the identification of the glycan residues in close contact with the target protein. Transferred nuclear Overhauser effect spectroscopy experiment and molecular modeling of fucoidan oligosaccharides indicated that the presence of side chains reduces the flexibility of the oligosaccharide backbone, which thus adopts a conformation which is very close to the one recognized by the protein C4. Together, these results suggest that branching of fucoidan oligosaccharides, determining their conformational state, has a major impact on their anticomplementary activity.
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Affiliation(s)
- Marie-Jeanne Clément
- CNRS UMR 8587, Laboratoire Analyse et Environnement, Université d'Evry Val d'Essonne, rue du Père Jarlan, 91025 Evry Cedex, France
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Eluvakkal T, Sivakumar S, Arunkumar K. Fucoidan in Some Indian Brown Seaweeds Found along the Coast Gulf of Mannar. ACTA ACUST UNITED AC 2010. [DOI: 10.3923/ijb.2010.176.181] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Khan W, Rayirath UP, Subramanian S, Jithesh MN, Rayorath P, Hodges DM, Critchley AT, Craigie JS, Norrie J, Prithiviraj B. Seaweed Extracts as Biostimulants of Plant Growth and Development. JOURNAL OF PLANT GROWTH REGULATION 2009. [PMID: 0 DOI: 10.1007/s00344-009-9103-x] [Citation(s) in RCA: 295] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
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Anastyuk SD, Shevchenko NM, Nazarenko EL, Dmitrenok PS, Zvyagintseva TN. Structural analysis of a fucoidan from the brown alga Fucus evanescens by MALDI-TOF and tandem ESI mass spectrometry. Carbohydr Res 2009; 344:779-87. [PMID: 19230864 DOI: 10.1016/j.carres.2009.01.023] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2008] [Revised: 01/26/2009] [Accepted: 01/28/2009] [Indexed: 01/06/2023]
Abstract
A fucoidan, a heterogeneous sulfated polysaccharide from the brown alga Fucus evanescens, was depolymerized under solvolytic conditions, and its ethanol-extracted low-molecular-weight fraction was analyzed by MALDI-TOFMS and ESIMS/MS. It was found that the mixture contained unsulfated oligosaccharides including some monosulfated components, which were shown to consist of mainly (1-->3)-linked 2-O-sulfonated fucose residues (from 1 to 4). Minor components of the mixture were shown to contain 2-O- and 4-O-sulfonated xylose and galactose residues. Among them, mixed monosulfonated fucooligosaccharides were detected and characterized: Xyl-(1-->4)-Fuc, Gal-(1-->4)-Fuc, Gal-(1-->4)-Gal-(1-->4)-Fuc, Gal-(1-->4)-Gal. Fucose, galactose, and xylose residues were shown to be mainly 2-O-sulfonated with traces of 4-O-sulfonation. Glucuronic acid was also found as a part of non-sulfated fucooligosaccharides: Fuc-(1-->3)-GlcA, Fuc-(1-->4)-Fuc-(1-->3)-GlcA, Fuc-(1-->3)-Fuc-(1-->4)-Fuc-(1-->3)-GlcA.
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Affiliation(s)
- Stanislav D Anastyuk
- Pacific Institute of Bioorganic Chemistry, Russian Academy of Sciences, Vladivostok, Russian Federation.
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Holtkamp AD, Kelly S, Ulber R, Lang S. Fucoidans and fucoidanases--focus on techniques for molecular structure elucidation and modification of marine polysaccharides. Appl Microbiol Biotechnol 2009; 82:1-11. [PMID: 19043701 DOI: 10.1007/s00253-008-1790-x] [Citation(s) in RCA: 105] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2008] [Revised: 11/07/2008] [Accepted: 11/08/2008] [Indexed: 01/12/2023]
Abstract
The research field of fucoidans (sulphated polysaccharides from algae) and fucoidanases was strongly developing in recent years. Several different fucoidans and a few fucoidan-degrading enzymes were isolated and characterised. A high potential is seen in the medical exploitation of the fucoidans and its degradation products. This review gives an overview about the research of the last 5 years concerning fucoidan characterisation and application as well as enzyme detection, characterisation and production.
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Affiliation(s)
- Andrea Désirée Holtkamp
- Institute of Biochemistry and Biotechnology, Department of Biotechnology, Technical University of Braunschweig, Spielmannstr. 7, Braunschweig, Germany
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Abstract
Sulfated polysaccharides of brown algae (“fucoidans”) constitute a wide variety of biopolymers from simple sulfated fucans up to complex heteropolysaccharides composed of several neutral monosaccharides, uronic acid and sulfate. The increased interest in this class of polysaccharides is explained by their high and versatile biological activities, and hence, by their possible use in new drug design. Structural analysis of several fucoidans demonstrates that their biological properties are determined not only by charge density, but also by fine chemical structure, although distinct correlations between structure and biological activity cannot be formulated at present. The aim of this review is to describe the methods of structural analysis currently used in fucoidan chemistry, and to discuss some new information on the structures of fucoidans presented in recent publications.
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Affiliation(s)
- Maria I. Bilan
- ND Zelinsky Institute of Organic Chemistry, Leninskii Prospect 47, Moscow 119991, Russia
| | - Anatolii I. Usov
- ND Zelinsky Institute of Organic Chemistry, Leninskii Prospect 47, Moscow 119991, Russia
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Kusaykin M, Bakunina I, Sova V, Ermakova S, Kuznetsova T, Besednova N, Zaporozhets T, Zvyagintseva T. Structure, biological activity, and enzymatic transformation of fucoidans from the brown seaweeds. Biotechnol J 2008; 3:904-15. [PMID: 18543244 DOI: 10.1002/biot.200700054] [Citation(s) in RCA: 158] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Recent advances in the study of fucoidans, biologically active sulfated alpha-L-fucans of diverse structures and synthesized exclusively by marine organisms, are overviewed. Their structure, biological activity, the products of their enzymatic degradation and the different enzymes of degradation and modification are considered.
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Affiliation(s)
- Mikhail Kusaykin
- Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch, Russian Academy of Sciences, Vladivostok, Russia
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Rioux LE, Turgeon S, Beaulieu M. Characterization of polysaccharides extracted from brown seaweeds. Carbohydr Polym 2007. [DOI: 10.1016/j.carbpol.2007.01.009] [Citation(s) in RCA: 365] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Daniel R, Chevolot L, Carrascal M, Tissot B, Mourão PAS, Abian J. Electrospray ionization mass spectrometry of oligosaccharides derived from fucoidan of Ascophyllum nodosum. Carbohydr Res 2007; 342:826-34. [PMID: 17280652 DOI: 10.1016/j.carres.2007.01.009] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2006] [Revised: 01/08/2007] [Accepted: 01/10/2007] [Indexed: 10/23/2022]
Abstract
Algal fucoidan is a complex sulfated polysaccharide whose structural characterization requires powerful spectroscopic methodologies. While most of the structural investigations reported so far have been performed using NMR as the main spectroscopic method, we report herein data obtained by negative electrospray ionization mass spectrometry. MS analysis has been carried out on oligosaccharides obtained by partial hydrolysis of fucoidan from the brown algae Ascophyllum nodosum. Oligosaccharide mixtures were fractionated by size exclusion chromatography, which allowed the analysis of oligomers ranging from monosaccharide to pentasaccharide. Monosaccharides were detected as monosulfated as well as disulfated forms. Besides, part of the oligosaccharides exhibited a high content of sulfate, evidencing that fucoidan contains disulfated fucosyl units. Fragmentation experiments yielded characteristic fragment ions indicating that the fucose units are mainly 2-O-sulfated. This study demonstrates that highly sulfated oligosaccharides from fucoidan can be analyzed by ESIMS which gives additional information about the structure of this highly complex polysaccharide.
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Affiliation(s)
- Régis Daniel
- CNRS, UMR 8587, Laboratoire Analyse et Modélisation pour la Biologie et l'Environnement, Université d'Evry Val d'Essonne, F-91025 Evry, France.
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Mandal P, Mateu CG, Chattopadhyay K, Pujol CA, Damonte EB, Ray B. Structural features and antiviral activity of sulphated fucans from the brown seaweed Cystoseira indica. Antivir Chem Chemother 2007; 18:153-62. [PMID: 17626599 DOI: 10.1177/095632020701800305] [Citation(s) in RCA: 102] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Natural compounds offer interesting pharmacological perspectives for antiviral drug development. In this study, we have analysed sulphated-fucan-containing fractions isolated from the brown seaweed Cystoseira indica. The crude water extract (CiWE) and the main fraction (CiF3) obtained by anion exchange chromatography had potent antiviral activity against herpes simplex virus types 1 (HSV-1) and 2 (HSV-2) without cytotoxicity for Vero cell cultures. Furthermore, they had no direct inactivating effect on virions in a virucidal assay, and lacked anticoagulant activity. The mode of action of these compounds could be mainly ascribed to an inhibitory effect on virus adsorption. Chemical, chromatographic and spectroscopic methods showed that the major polysaccharide had an apparent molecular mass of 35 kDa and contained a backbone of alpha-(1 --> 3)-linked fucopyranosyl residues substituted at C-2 with fucopyranosyl and xylopyranosyl residues. This sulphated fucan, considered the active principle of the C. indica water extract, also contained variously linked xylose and galactose units and glucuronic acid residues. Sulphate groups, if present, are located mostly at C-4 of (1 --> 3)-linked fucopyranosyl units, and appeared to be very important for the anti-herpetic activity of this polymer.
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Affiliation(s)
- Pinaki Mandal
- Natural Products Laboratory, Department of Chemistry, The University of Burdwan, WB, India
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Leung MYK, Liu C, Koon JCM, Fung KP. Polysaccharide biological response modifiers. Immunol Lett 2006; 105:101-14. [PMID: 16554097 DOI: 10.1016/j.imlet.2006.01.009] [Citation(s) in RCA: 285] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2005] [Revised: 01/23/2006] [Accepted: 01/30/2006] [Indexed: 11/29/2022]
Abstract
Biological response modifiers (BRMs) are substances which augment immune response. BRMs can be cytokines which are produced endogenously in our body by immune cells or derivatives of bacteria, fungi, brown algae, Aloe vera and photosynthetic plants. Such exogeneous derivatives (exogeneous BRMs) can be nucleic acid (CpG), lipid (lipotechoic acid), protein or polysaccharide in nature. The receptors for these exogeneous BRMs are pattern recognition receptors. The binding of exogeneous BRMs to pattern recognition receptors triggers immune response. Exogenous BRMs have been reported to have anti-viral, anti-bacterial, anti-fungal, anti-parasitic, and anti-tumor activities. Among different exogeneous BRMs, polysaccharide BRMs have the widest occurrence in nature. Some polysaccharide BRMs have been tested for their therapeutic properties in human clinical trials. An overview of current understandings of polysaccharide BRMs is summarized in this review.
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Affiliation(s)
- M Y K Leung
- Institute of Chinese Medicine, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, People's Republic of China
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Tissot B, Salpin JY, Martinez M, Gaigeot MP, Daniel R. Differentiation of the fucoidan sulfated l-fucose isomers constituents by CE-ESIMS and molecular modeling. Carbohydr Res 2006; 341:598-609. [PMID: 16413001 DOI: 10.1016/j.carres.2005.11.029] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2005] [Revised: 11/23/2005] [Accepted: 11/23/2005] [Indexed: 11/17/2022]
Abstract
Alpha-L-fucose, the monosaccharide component of fucoidan, is found in the polysaccharide mainly as its sulfated form where sulfate groups are in position 2 and/or 4 and/or 3. The correlation between biological activities and structure of fucoidan requires the determination of the sulfation pattern of the fucose residues. Therefore, it is of importance to discriminate between the isobaric sulfated fucose isomers. For this purpose, the three isomers 2-O-, 3-O-, and 4-O-sulfated fucose have been analyzed using electrospray ion trap mass spectrometry and capillary electrophoresis. The results reported herein show that it is possible to differentiate between these three positional isomers of sulfated fucose based on their fragmentation pattern upon MS/MS experiments. 3-O-Sulfated fucose was characterized by the loss of the hydrogenosulfate anion HSO4- as the main fragmentation product, while the two other isomers 2-O-, and 4-O-sulfated fucose exhibited cross-ring fragmentation yielding to distinctive (0,2)X and (0,2)A daughter ion, respectively. A computational study of the conformation of the sulfated fucose isomers was carried out providing an understanding of the fragmentation pattern with respect to the position of the sulfate group.
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Affiliation(s)
- Bérangère Tissot
- Laboratoire Analyse et Environnement, UMR 8587 CNRS, Université d'Evry Val d'Essonne, F-91025 Evry, France
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Kusaykin MI, Pesentseva MS, Sils’chenko AS, Avilov SA, Sova VV, Zvyagintseva TN, Stonik VA. Aryl sulfatase of unusual specificity from the liver of marine mollusk Littorina kurila. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2006. [DOI: 10.1134/s1068162006010067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bilan MI, Kusaykin MI, Grachev AA, Tsvetkova EA, Zvyagintseva TN, Nifantiev NE, Usov AI. Effect of enzyme preparation from the marine mollusk Littorina kurila on fucoidan from the brown alga Fucus distichus. BIOCHEMISTRY. BIOKHIMIIA 2005; 70:1321-6. [PMID: 16417453 DOI: 10.1007/s10541-005-0264-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
A fucoidanase preparation from the marine mollusk Littorina kurila cleaved some glycosidic bonds in fucoidan from the brown alga Fucus distichus, but neither fucose nor lower oligosaccharides were produced. The main product isolated from the incubation mixture was a polysaccharide built up of disaccharide repeating units -->3)-alpha-L-Fucp-(2,4-di-SO3(-))-(1-->4)-alpha-L-Fucp-(2SO3(-))-(1-->, the structure coinciding with the idealized formula proposed for the initial substance. A polymer fraction with the same carbohydrate chain but sulfated only at positions 2 and nonstoichiometrically acetylated at positions 3 and 4 of fucose residues was isolated as a minor component. It is suggested that the native polysaccharide should contain small amounts of non-sulfated and non-acetylated fucose residues, and only their glycosidic bonds are cleaved by the enzyme. The enzymatic hydrolysis showed that irregular regions of the native polysaccharide containing acetylated and partially sulfated repeating units were assembled in blocks.
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Affiliation(s)
- M I Bilan
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, 119991, Russia
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Pomin VH, Valente AP, Pereira MS, Mourão PAS. Mild acid hydrolysis of sulfated fucans: a selective 2-desulfation reaction and an alternative approach for preparing tailored sulfated oligosaccharides. Glycobiology 2005; 15:1376-85. [PMID: 16118284 DOI: 10.1093/glycob/cwj030] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Sulfated fucans from marine invertebrates have simple, linear structures, composed of repeating units of oligosaccharides. Most of these polysaccharides contain 3-linked fucosyl units, but each species of invertebrate has a specific pattern of sulfation. No specific enzyme able to cleave or to desulfate these polysaccharides has been described yet. Therefore, we employed an alternative approach, based on mild acid hydrolysis, in an attempt to obtain low molecular-weight derivatives from sulfated fucans. Surprisingly, we observed that sulfated fucans from Lytechinus variegatus and Strongylocentrotus pallidus (but not the sulfated fucans from other species) yield by mild acid hydrolysis oligosaccharides with well-defined molecular size as shown by narrow bands in polyacrylamide gel electrophoresis (PAGE). The sulfated oligosaccharides obtained by mild acid hydrolysis were purified by gel-filtration chromatography, and their structures were identified by (1)H-nuclear magnetic resonance (NMR) spectroscopy, revealing an identical chemical composition for all oligosaccharides. When we followed the acid hydrolysis by (1)H-NMR spectroscopy, we found that a selective 2-desulfation occurs in the fucans from S. pallidus and from L. variegatus. The reaction has two stages. Initially, 2-sulfate esters at specific sites are removed. Then the desulfated units are cleaved, yielding oligosaccharides with well-defined molecular size. The apparent requirement for the selective 2-desulfation is the occurrence of an exclusively 2-sulfated fucosyl unit linked to or preceded by a 4-sulfated residue. Thus, a homofucan from Strongylocentrotus franciscanus resists desulfation by mild acid hydrolysis, because it lacks the neighboring 4-sulfated unit. Overall, our results show a new approach for desulfating sulfated fucans at specific sites and obtaining tailored sulfated oligosaccharides.
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Affiliation(s)
- Vitor H Pomin
- Laboratório de Tecido Conjuntivo, Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil
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Tissot B, Gonnet F, Iborra A, Berthou C, Thielens N, Arlaud GJ, Daniel R. Mass spectrometry analysis of the oligomeric C1q protein reveals the B chain as the target of trypsin cleavage and interaction with fucoidan. Biochemistry 2005; 44:2602-9. [PMID: 15709773 DOI: 10.1021/bi047802h] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
C1q is a subunit of the C1 complex that triggers activation of the complement classical pathway through recognition and binding of immune complexes. C1q also binds to nonimmune ligands such as the sulfated polysaccharide fucoidan, a potent anticomplementary agent. C1q was submitted for the first time to mass spectrometry analysis, yielding insights into its assembly and its interaction with fucoidan. The MALDI-TOF mass spectrometry technique on membrane allowed partial preservation of noncovalent interactions, allowing precise analysis of its substructure and estimation of the C1q molecular weight at 459520-461883, with an average mass of 460793 g x mol(-1). The disulfide-linked A-B and C-C dimers as well as the noncovalent structural unit (A-B:C)-(C:B-A) were detected, providing experimental support to the C1q model based on covalent and noncovalent associations of six heterotrimers. Trypsin treatment of native C1q led to proteolysis of the B chain only, at a single cleavage site (Arg(109)) located in the globular region. Unlike DNA, fucoidan protected C1q from trypsin cleavage, indicating that this polysaccharide binds to the B moiety of the globular head. Given the involvement of the C1q globular heads in the recognition of IgG, this interaction may account for the observed anticomplementary activity of fucoidan.
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Affiliation(s)
- Bérangère Tissot
- Laboratoire de Thérapie Cellulaire, CHU Morvan, 5 Avenue Foch, 29200 Brest, France
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Pomin VH, Pereira MS, Valente AP, Tollefsen DM, Pavão MSG, Mourão PAS. Selective cleavage and anticoagulant activity of a sulfated fucan: stereospecific removal of a 2-sulfate ester from the polysaccharide by mild acid hydrolysis, preparation of oligosaccharides, and heparin cofactor II-dependent anticoagulant activity. Glycobiology 2005; 15:369-81. [PMID: 15590773 DOI: 10.1093/glycob/cwi021] [Citation(s) in RCA: 92] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
A linear sulfated fucan with a regular repeating sequence of [3)-alpha-L-Fucp-(2SO4)-(1-->3)-alpha-L-Fucp-(4SO4)-(1-->3)-alpha-L-Fucp-(2,4SO4)-(1-->3)-alpha-L-Fucp-(2SO4)-(1-->]n is an anticoagulant polysaccharide mainly due to thrombin inhibition mediated by heparin cofactor II. No specific enzymatic or chemical method is available for the preparation of tailored oligosaccharides from sulfated fucans. We employ an apparently nonspecific approach to cleave this polysaccharide based on mild hydrolysis with acid. Surprisingly, the linear sulfated fucan was cleaved by mild acid hydrolysis on an ordered sequence. Initially a 2-sulfate ester of the first fucose unit is selectively removed. Thereafter the glycosidic linkage between the nonsulfated fucose residue and the subsequent 4-sulfated residue is preferentially cleaved by acid hydrolysis, forming oligosaccharides with well-defined size. The low-molecular-weight derivatives obtained from the sulfated fucan were employed to determine the requirement for interaction of this polysaccharide with heparin cofactor II and to achieve complete thrombin inhibition. The linear sulfated fucan requires significantly longer chains than mammalian glycosaminoglycans to achieve anticoagulant activity. A slight decrease in the molecular size of the sulfated fucan dramatically reduces its effect on thrombin inactivation mediated by heparin cofactor II. Sulfated fucan with approximately 45 tetrasaccharide repeating units binds to heparin cofactor II but is unable to link efficiently the plasma inhibitor and thrombin. This last effect requires chains with approximately 100 or more tetrasaccharide repeating units. We speculate that the template mechanism may predominate over the allosteric effect in the case of the linear sulfated fucan inactivation of thrombin in the presence of heparin cofactor II.
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Affiliation(s)
- Vitor H Pomin
- Laboratório de Tecido Conjuntivo, Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Caixa Postal 68041, Rio de Janeiro, RJ, 21941-590, Brazil
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Tissot B, Montdargent B, Chevolot L, Varenne A, Descroix S, Gareil P, Daniel R. Interaction of fucoidan with the proteins of the complement classical pathway. BIOCHIMICA ET BIOPHYSICA ACTA 2003; 1651:5-16. [PMID: 14499584 DOI: 10.1016/s1570-9639(03)00230-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Fucoidan inhibits complement by mechanisms that so far remain to be unraveled, and the objective of this work was to delineate the mode of inhibition by this sulfated polysaccharide. For that purpose, low molecular weight fractions of algal (Ascophyllum nodosum) fucoidan containing the disaccharide unit [-->3)-alpha-L-Fuc(2SO3(-))-(1-->4)-alpha-L-Fuc(2,3diSO3(-))-(1-->](n) have been studied. Gel co-affinity electrophoresis and a new affinity capillary electrophoresis (ACE) method have been implemented to characterize fucoidan-complement protein complexes. Fucoidan binds C1q, likely to its collagen-like region through interactions involving lysine residues, and then prevents the association of the C1r(2)-C1s(2) subunit, required to form the fully active C1. In addition to C1q, fucoidan forms a complex with the protein C4 as observed by ACE. The fucoidan inhibits the first steps of the classical pathway activation that is of relevance in view of the proinflammatory effects of the subsequent products of the cascade. This study shows that a high level of inhibitory activity can be achieved with low molecular weight carbohydrate molecules and that the potential applicability of fucoidan oligosaccharides for therapeutic complement inhibition is worthy of consideration.
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Affiliation(s)
- Bérangère Tissot
- Laboratoire Analyse et Environnement, Université d'Evry Val-d'Essonne, Bd. François Mitterrand, 91025 Cedex, Evry, France
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Kim MY, Varenne A, Daniel R, Gareil P. Capillary electrophoresis profiles of fucoidan and heparin fractions: significance of mobility dispersity for their characterization. J Sep Sci 2003. [DOI: 10.1002/jssc.200301497] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Varenne A, Gareil P, Colliec-Jouault S, Daniel R. Capillary electrophoresis determination of the binding affinity of bioactive sulfated polysaccharides to proteins: study of the binding properties of fucoidan to antithrombin. Anal Biochem 2003; 315:152-9. [PMID: 12689824 DOI: 10.1016/s0003-2697(02)00687-5] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The interaction of proteins with polysaccharides represents a major and challenging topic in glycobiology, since such complexes mediate fundamental biological mechanisms. An affinity capillary electrophoresis method has been developed to evidence the complex formation and to determine the binding properties between an anticoagulant polysaccharide of marine origin, fucoidan, and a potential target protein, antithrombin. This method is a variant of zonal electrophoresis in the mobility shift format. A fixed amount of protein was injected into a capillary filled with a background electrolyte containing the polysaccharide in varying concentrations. The effective mobility data of the protein were processed according to classical linearization treatments to obtain the binding constant for the polysaccharide/antithrombin complex. The results indicate that fucoidan binds to antithrombin in a 1:1 stoichiometry and with an affinity depending on the molecular weight of the polysaccharide. For heparin, the binding constant obtained similarly is in accordance with the literature. This is the first report showing the implementation of a capillary electrophoresis method contributing to the mechanistic understanding of the biological activities of fucoidan and providing evidence for the complex formation between fucoidan and the protein inhibitor of the coagulation antithrombin.
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Affiliation(s)
- A Varenne
- Laboratoire d'Electrochimie et Chimie Analytique, UMR CNRS 7575, ENSCP, 11, Rue Pierre et Marie Curie, 75231 Paris Cedex 05, France.
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Descroix S, Varenne A, Goasdoue N, Abian J, Carrascal M, Daniel R, Gareil P. Non-aqueous capillary electrophoresis of the positional isomers of a sulfated monosaccharide. J Chromatogr A 2003; 987:467-76. [PMID: 12613843 DOI: 10.1016/s0021-9673(02)01433-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A non-aqueous capillary electrophoresis (NACE) method coupled to indirect absorbance detection has been developed for the separation of the three positional isomers of monosulfated fucose. The optimized electrolyte was composed of 12 mM ethanolamine, 2 mM trimesic acid buffer in a methanol-ethanol (1:1, v/v) mixture. As the retained electrolyte entails no separating agent other than the pH buffer, the NACE separation of the positional isomers has been ascribed mainly to selective ion-pairing with the electrolyte counter-ion and the possibility of a selective solvation effect in the alcohol mixture. In the absence of pure isomeric standards, peak identification was completed by MS and NMR spectroscopy and selective enzymatic desulfation. This method should be of interest for the structure elucidation of monosulfated fucose-based polysaccharides and for the screening of sulfoesterase of unknown activity.
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Affiliation(s)
- Stéphanie Descroix
- Laboratoire d'Electrochimie et Chimie Analytique, UMR CNRS 7575, ENSCP, 11 Rue Pierre et Marie Curie, 75231 Paris 05, France
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Berteau O, McCort I, Goasdoué N, Tissot B, Daniel R. Characterization of a new alpha-L-fucosidase isolated from the marine mollusk Pecten maximus that catalyzes the hydrolysis of alpha-L-fucose from algal fucoidan (Ascophyllum nodosum). Glycobiology 2002; 12:273-82. [PMID: 12042250 DOI: 10.1093/glycob/12.4.273] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Algal fucoidan is an alpha-L-fucose-based polysaccharide endowed with important biological properties for which the structure has not yet been fully elucidated. In an attempt to implement new enzymatic tools for structural study of this polysaccharide, we have found a fucosidase activity in the digestive glands of the common marine mollusk Pecten maximus, which is active on a fucoidan extracted from the brown algae Ascophyllum nodosum. We now report the purification and characterization of this alpha-L-fucosidase (EC 3.2.1.51). The enzyme was purified by three chromatographic steps, including an essential affinity chromatography based on the glycosidase inhibitor analog 6-amino-deoxymannojirimycin as the ligand. The purified alpha-L-fucosidase is a tetrameric glycoprotein of 200 kDa that hydrolyzes the synthetic substrate p-nitrophenyl alpha-L-fucopyranoside with a K(m) value of 650 microM. This enzyme has high catalytic activity (85 micromol x min(-1) x mg(-1)) compared with the other known fucosidases and also possesses an unusual thermal stability. The purified alpha-L-fucosidase is a retaining glycosidase. The activity of the purified fucosidase was determined on two structurally different fucoidans of the brown algae A. nodosum and Fucus vesiculosus to delineate glycosidic bond specificity. This report is to our knowledge the first demonstration of a fucosidase that can efficiently release alpha-L-fucose from fucoidan.
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Affiliation(s)
- Olivier Berteau
- Laboratoire de Recherches sur les Macromolécules, UMR 7540 CNRS, Université Paris 13, avenue J.-B. Clément, 93430 Villetaneuse, France
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