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Wang L, Xu R, Meng L, Zhang Q, Qian Z, Chen J, Pan C. A fucoidan-loaded hydrogel coating for enhancing corrosion resistance, hemocompatibility and endothelial cell growth of magnesium alloy for cardiovascular stents. BIOMATERIALS ADVANCES 2024; 163:213960. [PMID: 39029207 DOI: 10.1016/j.bioadv.2024.213960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 07/09/2024] [Accepted: 07/14/2024] [Indexed: 07/21/2024]
Abstract
Although magnesium alloy has received tremendous attention in biodegradable cardiovascular stents, the poor in vivo corrosion resistance and limited endothelialization are still the bottlenecks for its application in cardiovascular stents. Fabrication of the multifunctional bioactive coating with excellent anti-corrosion on the surface is beneficial for rapid re-endothelialization and the normal physiological function recovery of blood vessels. In the present study, a bioactive hydrogel coating was established on the surface of magnesium alloy by copolymerization of sulfobetaine methacrylate (SBMA) and acrylamide (AM) via ultraviolet (UV) polymerization, followed by the immobilization of fucoidan (Fu). The results showed that the as-prepared multifunctional hydrogel coating could enhance the corrosion resistance and the surface wettability of the magnesium alloy surface, endowing it with the ability of selective albumin adsorption; meanwhile, it could augment biocompatibility. The following introduction of fucoidan on the surface could further improve the hemocompatibility characterized by reducing protein adsorption, minimizing hemolysis, and preventing platelet aggregation and activation. Additionally, the immobilized fucoidan promoted endothelial cell (EC) growth, as well as up-regulated the expression of vascular endothelial growth factor (VEGF) and nitric oxide (NO) in endothelial cells (ECs). Consequently, this research paves a novel approach to developing a versatile bioactive coating for magnesium alloy surfaces and lays a foundation in cardiovascular biomaterials.
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Affiliation(s)
- Lingtao Wang
- Faculty of Mechanical and Material Engineering, Jiangsu Provincial Engineering Research Center for Biomaterials and Advanced Medical Devices, Huaiyin Institute of Technology, Huai'an 223003, China
| | - Ruiting Xu
- The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an 223003, China
| | - Lingjie Meng
- Faculty of Mechanical and Material Engineering, Jiangsu Provincial Engineering Research Center for Biomaterials and Advanced Medical Devices, Huaiyin Institute of Technology, Huai'an 223003, China
| | - Qiuyang Zhang
- Faculty of Mechanical and Material Engineering, Jiangsu Provincial Engineering Research Center for Biomaterials and Advanced Medical Devices, Huaiyin Institute of Technology, Huai'an 223003, China
| | - Zheng Qian
- Faculty of Mechanical and Material Engineering, Jiangsu Provincial Engineering Research Center for Biomaterials and Advanced Medical Devices, Huaiyin Institute of Technology, Huai'an 223003, China
| | - Jie Chen
- Faculty of Mechanical and Material Engineering, Jiangsu Provincial Engineering Research Center for Biomaterials and Advanced Medical Devices, Huaiyin Institute of Technology, Huai'an 223003, China.
| | - Changjiang Pan
- School of Medical and Health Engineering, Institute of Biomedical Engineering and Health Sciences, Changzhou University, Changzhou 213164, China.
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Wu Y. Seaweed fucoidan targeting platelet Glycoprotein Ibα: hope from the ocean. J Thromb Haemost 2023; 21:1100-1101. [PMID: 37121616 DOI: 10.1016/j.jtha.2023.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/12/2023] [Accepted: 02/14/2023] [Indexed: 05/02/2023]
Affiliation(s)
- Yi Wu
- Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania, USA.
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3
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Shen C, Mackeigan DT, Shoara AA, Xu R, Bhoria P, Karakas D, Ma W, Cerenzia E, Chen Z, Hoard B, Lin L, Lei X, Zhu G, Chen P, Johnson PE, Ni H. Dual roles of fucoidan-GPIbα interaction in thrombosis and hemostasis: implications for drug development targeting GPIbα. JOURNAL OF THROMBOSIS AND HAEMOSTASIS : JTH 2023; 21:1274-1288. [PMID: 36732162 DOI: 10.1016/j.jtha.2022.12.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 12/14/2022] [Accepted: 12/27/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND Platelet GPIbα-von Willebrand factor (VWF) interaction initiates platelet adhesion, activation, and thrombus growth, especially under high shear conditions. Therefore, the GPIb-VWF axis has been suggested as a promising target against arterial thrombosis. The polysaccharide fucoidan has been reported to have opposing prothrombotic and antithrombotic effects; however, its binding mechanism with platelets has not been adequately studied. OBJECTIVE The objective of this study was to explore the mechanism of fucoidan and its hydrolyzed products in thrombosis and hemostasis. METHODS Natural fucoidan was hydrolyzed by using hydrochloric acid and was characterized by using size-exclusion chromatography, UV-visible spectroscopy, and fluorometry techniques. The effects of natural and hydrolyzed fucoidan on platelet aggregation were examined by using platelets from wild-type, VWF and fibrinogen-deficient, GPIbα-deficient, and IL4Rα/GPIbα-transgenic and αIIb-deficient mice and from human beings. Platelet activation markers (P-selectin expression, PAC-1, and fibrinogen binding) and platelet-VWF A1 interaction were measured by using flow cytometry. GPIbα-VWF A1 interaction was evaluated by using enzyme-linked immunosorbent assay. GPIb-IX-induced signal transduction was detected by using western blot. Heparinized whole blood from healthy donors was used to test thrombus formation and growth in a perfusion chamber. RESULTS We found that GPIbα is critical for fucoidan-induced platelet activation. Fucoidan interacted with the extracellular domain of GPIbα and blocked its interaction with VWF but itself could lead to GPIbα-mediated signal transduction and, subsequently, αIIbβ3 activation and platelet aggregation. Conversely, low-molecular weight fucoidan inhibited GPIb-VWF-mediated platelet aggregation, spreading, and thrombus growth at high shear. CONCLUSION Fucoidan-GPIbα interaction may have unique therapeutic potential against bleeding disorders in its high-molecular weight state and protection against arterial thrombosis by blocking GPIb-VWF interaction after fucoidan is hydrolyzed.
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Affiliation(s)
- Chuanbin Shen
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada; Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Shandong, China; Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada
| | - Daniel T Mackeigan
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada; Department of Physiology, University of Toronto, Toronto, Canada
| | - Aron A Shoara
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada; Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada
| | - Runjia Xu
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada; Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada
| | - Preeti Bhoria
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada; Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada; CCOA Therapeutics Inc Toronto, Canada
| | - Danielle Karakas
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada; Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada
| | - Wenjing Ma
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada; Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada; CCOA Therapeutics Inc Toronto, Canada
| | - Eric Cerenzia
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada; Department of Physiology, University of Toronto, Toronto, Canada
| | - ZiYan Chen
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada; Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada
| | - Brock Hoard
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada; Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada
| | - Lisha Lin
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada; Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Xi Lei
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada; CCOA Therapeutics Inc Toronto, Canada
| | - Guangheng Zhu
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada; CCOA Therapeutics Inc Toronto, Canada
| | - Pingguo Chen
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada; Canadian Blood Services Centre for Innovation, Toronto, Canada
| | - Philip E Johnson
- Department of Chemistry and Centre for Research on Biomolecular Interactions, York University, Toronto, Canada
| | - Heyu Ni
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada; Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael's Hospital, and Toronto Platelet Immunobiology Group, Toronto, Canada; Department of Physiology, University of Toronto, Toronto, Canada; CCOA Therapeutics Inc Toronto, Canada; Canadian Blood Services Centre for Innovation, Toronto, Canada; Department of Medicine, University of Toronto, Toronto, Canada.
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Kiselevskiy MV, Anisimova NY, Bilan MI, Usov AI, Ustyuzhanina NE, Petkevich AA, Shubina IZ, Morozevich GE, Nifantiev NE. Prospects for the Use of Marine Sulfated Fucose-Rich Polysaccharides in Treatment and Prevention of COVID-19 and Post-COVID-19 Syndrome. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2022; 48:1109-1122. [PMID: 36325402 PMCID: PMC9584273 DOI: 10.1134/s1068162022060152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/18/2022] [Accepted: 07/29/2022] [Indexed: 01/03/2023]
Abstract
Symptoms of the new coronavirus infection that appeared in 2019 (COVID-19) range from low fever and fatigue to acute pneumonia and multiple organ failure. The clinical picture of COVID-19 is heterogeneous and involves most physiological systems; therefore, drugs with a wide spectrum of mechanism of action are required. The choice of the treatment strategy for post-COVID-19 syndrome is still a challenge to be resolved. Polysaccharides with a high fucose content derived from seaweed and marine animals can form the basis for the subsequent development of promising agents for the treatment of COVID-19 and post-COVID-19 syndrome. This class of biopolymers is characterized by a variety of biological activities, including antiviral, antithrombotic, anticoagulant, hemo-stimulating, anti-inflammatory and immune-regulatory. Low molecular weight derivatives of these polysaccharides, as well as synthetic oligosaccharides with a sufficient amount and sulfation type may be considered as the most promising compounds due to their better bioavailability, which undoubtedly increases their therapeutic potential.
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Affiliation(s)
- M. V. Kiselevskiy
- Blokhin National Medical Research Center of Oncology, 115552 Moscow, Russia
| | - N. Yu. Anisimova
- Blokhin National Medical Research Center of Oncology, 115552 Moscow, Russia
| | - M. I. Bilan
- Laboratory of Glycoconjugate Chemistry, Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
| | - A. I. Usov
- Laboratory of Glycoconjugate Chemistry, Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
| | - N. E. Ustyuzhanina
- Laboratory of Glycoconjugate Chemistry, Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
| | - A. A. Petkevich
- Blokhin National Medical Research Center of Oncology, 115552 Moscow, Russia
| | - I. Zh. Shubina
- Blokhin National Medical Research Center of Oncology, 115552 Moscow, Russia
| | - G. E. Morozevich
- Orekhovich Institute of Biomedical Chemistry, 119121 Moscow, Russia
| | - N. E. Nifantiev
- Laboratory of Glycoconjugate Chemistry, Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
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Novel and Promising Strategies for Therapy of Post-Transplant Chronic GVHD. Pharmaceuticals (Basel) 2022; 15:ph15091100. [PMID: 36145321 PMCID: PMC9503665 DOI: 10.3390/ph15091100] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/22/2022] [Accepted: 08/31/2022] [Indexed: 11/17/2022] Open
Abstract
Despite the achievements that have increased viability after the transplantation of allogeneic hematopoietic stem cells (aHSCT), chronic graft-versus-host disease (cGVHD) remains the main cause of late complications and post-transplant deaths. At the moment, therapy alternatives demonstrate limited effectiveness in steroid-refractory illness; in addition, we have no reliable data on the mechanism of this condition. The lack of drugs of choice for the treatment of GVHD underscores the significance of the design of new therapies. Improved understanding of the mechanism of chronic GVHD has secured new therapy goals, and organized diagnostic recommendations and the development of medical tests have ensured a general language and routes for studies in this field. These factors, combined with the rapid development of pharmacology, have helped speed up the search of medicines and medical studies regarding chronic GVHD. At present, we can hope for success in curing this formidable complication. This review summarizes the latest clinical developments in new treatments for chronic GVHD.
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Kim M, Hayashi M, Yu B, Lee TK, Kim RH, Jo DW. Effects of Fucoidan Powder Combined with Mineral Trioxide Aggregate as a Direct Pulp-Capping Material. Polymers (Basel) 2022; 14:polym14122315. [PMID: 35745892 PMCID: PMC9228542 DOI: 10.3390/polym14122315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 06/04/2022] [Accepted: 06/06/2022] [Indexed: 11/16/2022] Open
Abstract
The development of direct pulp-capping materials with favorable biological and structural properties is an important goal in restorative dentistry. Fucoidan is a sulfated, fucose-containing polysaccharide obtained from brown seaweed, with a wide range of applications; however, its use as a direct pulp-capping material has not been examined. This study aimed to evaluate the mechanical, physical, and biological effects of fucoidan combined with conventional mineral trioxide aggregate (MTA) for direct pulp capping. The capping materials were created using Portland cement (80 wt%) and zirconium oxide (20 wt%) as base components, compared with base components plus 5 wt% fucoidan (PZF5) and base components plus 10 wt% fucoidan (PZF10). The initial and final setting time, compressive strength, chemical components, cell viability, adhesion, migration, osteogenesis, and gene expression were analyzed. Fucoidan significantly reduced the initial and final setting time, regardless of quantity. However, the compressive strength was lower for PZF5. Sulfur levels increased with fucoidan. The biological activity improved, especially in the PZF5 group. Cell migration, Alizarin Red S staining, and alkaline phosphatase activity were upregulated in the PZF5 group. Fucoidan is a useful regenerative additive for conventional pulp-capping materials because it reduces the setting time and improves cell migration and osteogenic ability.
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Affiliation(s)
- Mijoo Kim
- UCLA School of Dentistry Restorative Materials and Applied Dental Research Laboratory, Los Angeles, CA 90095, USA; (M.K.); (M.H.); (B.Y.); (T.K.L.); (R.H.K.)
- Section of Restorative Dentistry, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Marc Hayashi
- UCLA School of Dentistry Restorative Materials and Applied Dental Research Laboratory, Los Angeles, CA 90095, USA; (M.K.); (M.H.); (B.Y.); (T.K.L.); (R.H.K.)
- Section of Restorative Dentistry, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Bo Yu
- UCLA School of Dentistry Restorative Materials and Applied Dental Research Laboratory, Los Angeles, CA 90095, USA; (M.K.); (M.H.); (B.Y.); (T.K.L.); (R.H.K.)
- Section of Restorative Dentistry, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Thomas K. Lee
- UCLA School of Dentistry Restorative Materials and Applied Dental Research Laboratory, Los Angeles, CA 90095, USA; (M.K.); (M.H.); (B.Y.); (T.K.L.); (R.H.K.)
- Section of Restorative Dentistry, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Reuben H. Kim
- UCLA School of Dentistry Restorative Materials and Applied Dental Research Laboratory, Los Angeles, CA 90095, USA; (M.K.); (M.H.); (B.Y.); (T.K.L.); (R.H.K.)
- Section of Restorative Dentistry, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Deuk-Won Jo
- Section of Dentistry, Department of Prosthodontics, Seoul National University Bundang Hospital, Seongnam 13620, Korea
- Correspondence: ; Tel.: +82-31-787-7548
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Heng JW, Yazid MD, Abdul Rahman MR, Sulaiman N. Coatings in Decellularized Vascular Scaffolds for the Establishment of a Functional Endothelium: A Scoping Review of Vascular Graft Refinement. Front Cardiovasc Med 2021; 8:677588. [PMID: 34395554 PMCID: PMC8358320 DOI: 10.3389/fcvm.2021.677588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 07/06/2021] [Indexed: 12/12/2022] Open
Abstract
Developments in tissue engineering techniques have allowed for the creation of biocompatible, non-immunogenic alternative vascular grafts through the decellularization of existing tissues. With an ever-growing number of patients requiring life-saving vascular bypass grafting surgeries, the production of functional small diameter decellularized vascular scaffolds has never been more important. However, current implementations of small diameter decellularized vascular grafts face numerous clinical challenges attributed to premature graft failure as a consequence of common failure mechanisms such as acute thrombogenesis and intimal hyperplasia resulting from insufficient endothelial coverage on the graft lumen. This review summarizes some of the surface modifying coating agents currently used to improve the re-endothelialization efficiency and endothelial cell persistence in decellularized vascular scaffolds that could be applied in producing a better patency small diameter vascular graft. A comprehensive search yielding 192 publications was conducted in the PubMed, Scopus, Web of Science, and Ovid electronic databases. Careful screening and removal of unrelated publications and duplicate entries resulted in a total of 16 publications, which were discussed in this review. Selected publications demonstrate that the utilization of surface coating agents can induce endothelial cell adhesion, migration, and proliferation therefore leads to increased re-endothelialization efficiency. Unfortunately, the large variance in methodologies complicates comparison of coating effects between studies. Thus far, coating decellularized tissue gave encouraging results. These developments in re-endothelialization could be incorporated in the fabrication of functional, off-the-shelf alternative small diameter vascular scaffolds.
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Affiliation(s)
- Jun Wei Heng
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Muhammad Dain Yazid
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Mohd Ramzisham Abdul Rahman
- Department of Surgery, Hospital Canselor Tuanku Muhriz, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Nadiah Sulaiman
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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Khurrum M, Asmar S, Henry M, Ditillo M, Chehab M, Tang A, Bible L, Gries L, Joseph B. The survival benefit of low molecular weight heparin over unfractionated heparin in pediatric trauma patients. J Pediatr Surg 2021; 56:494-499. [PMID: 32883505 DOI: 10.1016/j.jpedsurg.2020.07.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 07/09/2020] [Accepted: 07/18/2020] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Venous thromboembolism (VTE) prophylaxis in pediatric patients is controversial and is mainly dependent on protocols derived from adult practices. Our study aimed to compare outcomes among pediatric trauma patients who received low molecular weight heparin (LMWH) compared to those who received unfractionated heparin (UFH). METHODS We performed 2 years (2015-2016) retrospective analysis of the Pediatrics ACS-TQIP database. Pediatric trauma patients (age ≤17) who received thromboprophylaxis with either LMWH or UFH were included. Patients were stratified into three age groups. Analysis of each subgroup and the entire cohort was performed. Outcome measures included VTE events (deep vein thrombosis [DVT] and pulmonary embolism [PE]), hospital and ICU length of stay (LOS) among survivors, and mortality. Propensity score matching was used to match the two cohorts LMWH vs UFH. RESULTS A matched cohort of 1,678 pediatric trauma patients was analyzed. A significant difference in survival, DVT events, and in-hospital LOS was seen in the age groups above 9 years. Overall, the patients who received LMWH had lower mortality (1.4% vs 3.6%, p<0.01), DVT (1.7% vs 3.7%, p<0.01), and hospital LOS among survivors (7 days vs 9 days, p<0.01) compared to those who received UFH. There was no significant difference in the ICU LOS among survivors and the incidence of PE between the two groups. CONCLUSION LMWH is associated with increased survival, lower rates of DVT, and decreased hospital LOS compared to UFH among pediatric trauma patients age 10-17 years. LEVEL OF EVIDENCE Level III Prophylactic. STUDY TYPE Prophylactic.
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Affiliation(s)
- Muhammad Khurrum
- Division of Trauma, Critical Care, Emergency Surgery, and Burns, Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ
| | - Samer Asmar
- Division of Trauma, Critical Care, Emergency Surgery, and Burns, Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ
| | - Marion Henry
- Division of Trauma, Critical Care, Emergency Surgery, and Burns, Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ
| | - Michael Ditillo
- Division of Trauma, Critical Care, Emergency Surgery, and Burns, Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ
| | - Mohamad Chehab
- Division of Trauma, Critical Care, Emergency Surgery, and Burns, Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ
| | - Andrew Tang
- Division of Trauma, Critical Care, Emergency Surgery, and Burns, Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ
| | - Letitia Bible
- Division of Trauma, Critical Care, Emergency Surgery, and Burns, Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ
| | - Lynn Gries
- Division of Trauma, Critical Care, Emergency Surgery, and Burns, Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ
| | - Bellal Joseph
- Division of Trauma, Critical Care, Emergency Surgery, and Burns, Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ.
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Zhu B, Ni F, Xiong Q, Yao Z. Marine oligosaccharides originated from seaweeds: Source, preparation, structure, physiological activity and applications. Crit Rev Food Sci Nutr 2020; 61:60-74. [PMID: 31968996 DOI: 10.1080/10408398.2020.1716207] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Marine polysaccharides originated from seaweeds, including agar, alginate, carrageenan, and fucoidan, possess various kinds of physiological activities and have been widely used in food, agricultural and medical areas. However, the application has been greatly limited by their poor solubility and low bioavailability. Thus marine oligosaccharides, as the degradation products of those polysaccharides, have drawn increasing attentions due to their obvious biological activities, good solubility and excellent bioavailability. This review will summarize the recent advances on the source, molecular structure and physiological activity of marine oligosaccharides, emphasizing their application as functional food additives. Furthermore, the relationship between the structure and the physiological activity of marine oligosaccharides is also elucidated and highlighted. The review concludes with an outlook toward potential applications for preparing the functional oligosaccharides in food biotechnology and agriculture fields.
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Affiliation(s)
- Benwei Zhu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, P R China
| | - Fang Ni
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, P R China
| | - Qiang Xiong
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, P R China
| | - Zhong Yao
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, P R China
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Marinval N, Morenc M, Labour M, Samotus A, Mzyk A, Ollivier V, Maire M, Jesse K, Bassand K, Niemiec-Cyganek A, Haddad O, Jacob M, Chaubet F, Charnaux N, Wilczek P, Hlawaty H. Fucoidan/VEGF-based surface modification of decellularized pulmonary heart valve improves the antithrombotic and re-endothelialization potential of bioprostheses. Biomaterials 2018; 172:14-29. [DOI: 10.1016/j.biomaterials.2018.01.054] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Revised: 01/29/2018] [Accepted: 01/29/2018] [Indexed: 12/02/2022]
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Zhou J, Song Z, Han M, Yu B, Lv G, Han N, Liu Z, Yin J. Evaluation of the antithrombotic activity of Zhi-Xiong Capsules, a Traditional Chinese Medicinal formula, via the pathway of anti-coagulation, anti-platelet activation and anti-fibrinolysis. Biomed Pharmacother 2018; 97:1622-1631. [DOI: 10.1016/j.biopha.2017.11.135] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Revised: 11/27/2017] [Accepted: 11/27/2017] [Indexed: 10/18/2022] Open
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Chen A, Lan Y, Liu J, Zhang F, Zhang L, Li B, Zhao X. The structure property and endothelial protective activity of fucoidan from Laminaria japonica. Int J Biol Macromol 2017; 105:1421-1429. [PMID: 28754625 DOI: 10.1016/j.ijbiomac.2017.07.148] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Revised: 07/01/2017] [Accepted: 07/24/2017] [Indexed: 11/28/2022]
Abstract
Four antithrombotic fucoidan fractions F1, F2, LF1, and LF2 with different monosaccharide composition, molecular weight, and degree of sulfation and sulfate position were prepared from Laminaria japonica by hot water extraction and radical degradation. Their endothelial protective activity and possible action mechanism were studied using both cell- and rat-based models systematically. By comparison, the low molecular weight (LMW) fucoidan LF1 and LF2 were more potent than the medium molecular weight (MMW) fucoidan F1 and F2 in endothelial protection, down-regulation of von Willebrand Factor, CD31 and CD51 expressing endothelial microparticles in adrenalin-induced arterial endothelial injury rats and human umbilical vein endothelial cell system. However, the highly sulfated fucoidan fractions F2 and LF2 were better at inducing FGFR1c-expressing BaF3 cell proliferation in the presence of FGF-1, -2, -7, -8, -9 or -10. These results indicated that the chemical property of fucoidan was correlated to its specific biological activity tested. Therefore, defying fucoidan's monosaccharide composition, molecular weight, and degree of sulfation might be important in developing it into a medicine.
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Affiliation(s)
- Anjin Chen
- College of Food Science and Engineering, Ocean University of China, Qingdao, PR China; Qingdao Municipal Hospital, Qingdao, PR China
| | - Ying Lan
- Qingdao Municipal Hospital, Qingdao, PR China
| | - Jingwen Liu
- College of Food Science and Engineering, Ocean University of China, Qingdao, PR China
| | - Fang Zhang
- Qingdao Municipal Hospital, Qingdao, PR China
| | - Lijuan Zhang
- School of Medicine and Pharmacy, Ocean University of China, Qingdao, PR China; Institute of Cerebrovascular Diseases, Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Bafang Li
- College of Food Science and Engineering, Ocean University of China, Qingdao, PR China
| | - Xue Zhao
- College of Food Science and Engineering, Ocean University of China, Qingdao, PR China.
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Zaporozhets T, Besednova N. Prospects for the therapeutic application of sulfated polysaccharides of brown algae in diseases of the cardiovascular system: review. PHARMACEUTICAL BIOLOGY 2016; 54:3126-3135. [PMID: 27252012 DOI: 10.1080/13880209.2016.1185444] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 12/22/2015] [Accepted: 04/27/2016] [Indexed: 06/05/2023]
Abstract
CONTEXT Fucoidans are water-soluble, highly sulfated, branched homo- and hetero-polysaccharides derived from the fibrillar cell walls and intercellular spaces of brown seaweeds of the class Phaeophyceae. Fucoidans possess mimetic properties of the natural ligands of protein receptors and regulate functions of biological systems via key signaling molecules. OBJECTIVES The aim of this review was to collect and combine all available scientific literature about the potential use of the fucoidans for diseases of cardiovascular system. MATERIALS AND METHODS The review has been compiled using references from major databases such as Web of Science, PubMed, Scopus, Elsevier, Springer and Google Scholar (up to September 2015). After obtaining all reports from database (a total number is about 580), the papers were carefully analyzed in order to find data related to the topic of this review (129 references). RESULTS An exhaustive survey of literature revealed that fucoidans possess a broad spectrum of biological activity, including anti-coagulant, hypolipidemic, anti-thrombotic, anti-inflammatory, immunomodulatory, anti-tumor, anti-adhesive and anti-hypertensive properties. Numerous investigations of fucoidans in diseases of the cardiovascular system mainly focus on pleiotropic anti-inflammatory effects. Fucoidans also possess pro-angiogenic and pro-vasculogenic properties. CONCLUSION A great number of investigations in the past years have demonstrated that fucoidans has great potential for in-depth investigation of their effects on cardiovascular system. Through this review, the authors hope to attract the attention of researchers to use fucoidan as mimetic of natural ligand receptor protein with the view of developing new formulations with an improved therapeutic value.
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Affiliation(s)
- Tatyana Zaporozhets
- a Somov Institute of Epidemiology and Microbiology , Vladivostok , Russian Federation
| | - Natalia Besednova
- a Somov Institute of Epidemiology and Microbiology , Vladivostok , Russian Federation
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Xu Y, Zhang Q, Luo D, Wang J, Duan D. Low molecular weight fucoidan modulates P-selectin and alleviates diabetic nephropathy. Int J Biol Macromol 2016; 91:233-40. [PMID: 27234491 DOI: 10.1016/j.ijbiomac.2016.05.081] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 05/09/2016] [Accepted: 05/22/2016] [Indexed: 10/21/2022]
Abstract
Diabetic nephropathy (DN) is a serious microvascular complication that can lead to chronic and end-stage renal failure. It is understood that inflammation is associated with the onset and process of DN. Low molecular weight fucoidan (LMWF) isolated from Saccharina japonica has anti-inflammatory properties. Therefore, this study aimed to explore the mechanism of LMWF in DN model induced by streptozotocin. The biochemical indices levels showed LMWF reduced the DN diagnostic indices to protect renal function. The HE stained sections exhibited LMWF protected normal morphological structures and reduced inflammatory cell infiltration in the kidneys of DN rats. Furthermore, the levels of P-selectin and selectin-dependent inflammatory cytokines resulting from LMWF were obviously decreased at both the transcriptional and protein levels. Thus, our results found that LMWF protected the renal function in DN rats and alleviated inflammation through the modulation of P-selectin and inflammatory cytokines. LMWF may have therapeutic potential against DN.
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Affiliation(s)
- Yingjie Xu
- Key Lab of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Lab for Marine Science and Technology. Qingdao 266071, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Quanbin Zhang
- Key Lab of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Lab for Marine Science and Technology. Qingdao 266071, China; State Key Lab of Seaweed Bioactive Substances, Qingdao 266000, China.
| | - Dali Luo
- Department of Pharmacology, School of Chemical Biology & Pharmaceutical Sciences, Capital Medical University, Beijing 100069, China
| | - Jing Wang
- Key Lab of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Lab for Marine Science and Technology. Qingdao 266071, China
| | - Delin Duan
- Key Lab of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Lab for Marine Science and Technology. Qingdao 266071, China; State Key Lab of Seaweed Bioactive Substances, Qingdao 266000, China.
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Zhao X, Guo F, Hu J, Zhang L, Xue C, Zhang Z, Li B. Antithrombotic activity of oral administered low molecular weight fucoidan from Laminaria Japonica. Thromb Res 2016; 144:46-52. [PMID: 27289072 DOI: 10.1016/j.thromres.2016.03.008] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 02/09/2016] [Accepted: 03/07/2016] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Fucoidans extracted from brown algae have been documented to have excellent antithrombotic activity when administered by either intravenous or subcutaneous route in animal models. However, it is unknown if the fucoidans also have antithrombotic activity when administered orally, a highly desirable feature of oral antithrombotic agents. In the present study, we compared the oral absorption, bioavailability and antithrombotic activity of two fucoidan fractions from Laminaria japonica with different molecular weight by oral administration in an electricity induced arterial thrombosis model and the underlying molecular mechanisms. RESULTS AND CONCLUSIONS After a single dose of oral administration, the fucoidan content in plasma and urine in rats was assessed using the reverse-phased HPLC analysis of 1-phenyl-3-methyl-5-pyrazolone (PMP)-labeled fucose. The fucose content in the low molecular weight (LMW) fucoidan-treated rats increased up to 2-fold and peaked at 15h, indicating that the LMW fucoidan had much better absorption and bioavailability than the MMW fucoidan in vivo. Oral administration of the LMW fucoidan at 400 and 800mg/kg for 30days inhibited the arterial thrombosis formation effectively induced by electrical shock in rats, accompanied by moderate anticoagulation activity, regulation on TXB2 and 6-keto-PGF1α, significant antiplatelet activity and effective fibrinolysis. The LMW fucoidan showed better oral absorption and antithrombotic activity in addition to different antithrombotic mechanisms compared to those of the medium molecular weight (MMW) fucoidan. Thus, the LMW fucoidan has a potential to become an oral antithrombotic agent.
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Affiliation(s)
- Xue Zhao
- College of Food Science and Engineering, Ocean University of China, 5 Yu Shan Road, Qingdao, Shandong 266003, PR China
| | - Fengjun Guo
- College of Food Science and Engineering, Ocean University of China, 5 Yu Shan Road, Qingdao, Shandong 266003, PR China
| | - Jing Hu
- College of Food Science and Engineering, Ocean University of China, 5 Yu Shan Road, Qingdao, Shandong 266003, PR China
| | - Lijuan Zhang
- School of Pharmacy, Ocean University of China, 5 Yu Shan Road, Qingdao, Shandong 266003, PR China
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, 5 Yu Shan Road, Qingdao, Shandong 266003, PR China
| | - Zhaohui Zhang
- College of Food Science and Engineering, Ocean University of China, 5 Yu Shan Road, Qingdao, Shandong 266003, PR China
| | - Bafang Li
- College of Food Science and Engineering, Ocean University of China, 5 Yu Shan Road, Qingdao, Shandong 266003, PR China.
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16
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Zhao D, Sang Q, Cui H. Preparation and evaluation a new generation of low molecular weight heparin. Biomed Pharmacother 2016; 79:194-200. [DOI: 10.1016/j.biopha.2016.02.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 02/25/2016] [Accepted: 02/25/2016] [Indexed: 11/30/2022] Open
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Bouvard C, Galy-Fauroux I, Grelac F, Carpentier W, Lokajczyk A, Gandrille S, Colliec-Jouault S, Fischer AM, Helley D. Low-Molecular-Weight Fucoidan Induces Endothelial Cell Migration via the PI3K/AKT Pathway and Modulates the Transcription of Genes Involved in Angiogenesis. Mar Drugs 2015; 13:7446-62. [PMID: 26694425 PMCID: PMC4699248 DOI: 10.3390/md13127075] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Revised: 12/10/2015] [Accepted: 12/11/2015] [Indexed: 12/12/2022] Open
Abstract
Low-molecular-weight fucoidan (LMWF) is a sulfated polysaccharide extracted from brown seaweed that presents antithrombotic and pro-angiogenic properties. However, its mechanism of action is not well-characterized. Here, we studied the effects of LMWF on cell signaling and whole genome expression in human umbilical vein endothelial cells and endothelial colony forming cells. We observed that LMWF and vascular endothelial growth factor had synergistic effects on cell signaling, and more interestingly that LMWF by itself, in the absence of other growth factors, was able to trigger the activation of the PI3K/AKT pathway, which plays a crucial role in angiogenesis and vasculogenesis. We also observed that the effects of LMWF on cell migration were PI3K/AKT-dependent and that LMWF modulated the expression of genes involved at different levels of the neovessel formation process, such as cell migration and cytoskeleton organization, cell mobilization and homing. This provides a better understanding of LMWF’s mechanism of action and confirms that it could be an interesting therapeutic approach for vascular repair.
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Affiliation(s)
- Claire Bouvard
- Inserm, UMR-S765, 75006 Paris, France.
- Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France.
- Université Paris Diderot, Sorbonne Paris Cité, 75013 Paris, France.
| | - Isabelle Galy-Fauroux
- Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France.
- Inserm, UMR-S970, 75015 Paris, France.
| | - Françoise Grelac
- Inserm, UMR-S765, 75006 Paris, France.
- Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France.
| | | | - Anna Lokajczyk
- Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France.
- Inserm, UMR-S1140, 75006 Paris, France.
| | - Sophie Gandrille
- Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France.
- Inserm, UMR-S1140, 75006 Paris, France.
- AP-HP, Hôpital Européen Georges Pompidou, 75015 Paris, France.
| | | | - Anne-Marie Fischer
- Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France.
- Inserm, UMR-S970, 75015 Paris, France.
- AP-HP, Hôpital Européen Georges Pompidou, 75015 Paris, France.
| | - Dominique Helley
- Université Paris Descartes, Sorbonne Paris Cité, 75006 Paris, France.
- Inserm, UMR-S970, 75015 Paris, France.
- AP-HP, Hôpital Européen Georges Pompidou, 75015 Paris, France.
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18
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Zhang H, Row KH. Extraction and separation of polysaccharides from Laminaria japonica by size-exclusion chromatography. J Chromatogr Sci 2015; 53:498-502. [PMID: 25013027 DOI: 10.1093/chromsci/bmu073] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
A large number of studies have suggested that polysaccharides, such as fucoidan and laminarin, in various seaweeds have significant biological properties. A different distribution of molecular weights is a prominent sign of many polysaccharides. Therefore, a simple, fast and reliable high-performance size-exclusion chromatography (HPSEC) method was proposed to separate fucoidan and laminarin from Laminaria japonica. After evaluating the different separation conditions for HPSEC, such as the type of mobile phase and flow rate, an acid extraction method was established and optimized by a systematic investigation of the influencing factors. Under the optimal conditions, 169.2 and 383.8 mg g(-1) of fucoidan and laminarin, respectively, were extracted. This method is suitable for the extraction and separation of polysaccharides with good reproducibility of the retention time, acceptable linearity, small relative standard deviation and low detection limits.
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Affiliation(s)
- Heng Zhang
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-751, Korea
| | - Kyung Ho Row
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-751, Korea
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19
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Brown seaweed fucoidan: biological activity and apoptosis, growth signaling mechanism in cancer. Int J Biol Macromol 2013; 60:366-74. [PMID: 23817097 DOI: 10.1016/j.ijbiomac.2013.06.030] [Citation(s) in RCA: 183] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Revised: 06/19/2013] [Accepted: 06/22/2013] [Indexed: 12/11/2022]
Abstract
Seaweeds, being abundant sources of bioactive components have much interest in recent times. The complex polysaccharides from the brown, red and green seaweeds possess broad spectrum therapeutic properties. The sulfated polysaccharides are routinely used in biomedical research and have known biological activities. Fucoidan, a fucose-rich polysaccharide extracted from brown seaweed has various biological functions including anticancer effects. Cellular damage induces growth arrest and tumor suppression by inducing apoptosis, the mechanism of cell death depends on the magnitude of DNA damage following exposure to anticancer agents. Apoptosis is mainly regulated by cell growth signaling molecules. Number of research studies evidenced that fucoidan shown to induce cytotoxicity of various cancer cells, induces apoptosis, and inhibits invasion, metastasis and angiogenesis of cancer cells. There are few articles discussing on fucoidan biological activity but no specific review on cancer and its signaling mechanism. Hence, this review discusses the brown seaweed fucoidan structure and some biological function and role in apoptosis, invasion, metastasis, angiogenesis and growth signal mechanism on cancer.
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20
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Manne BK, Getz TM, Hughes CE, Alshehri O, Dangelmaier C, Naik UP, Watson SP, Kunapuli SP. Fucoidan is a novel platelet agonist for the C-type lectin-like receptor 2 (CLEC-2). J Biol Chem 2013; 288:7717-7726. [PMID: 23341451 DOI: 10.1074/jbc.m112.424473] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Fucoidan, a sulfated polysaccharide from Fucus vesiculosus, decreases bleeding time and clotting time in hemophilia, possibly through inhibition of tissue factor pathway inhibitor. However, its effect on platelets and the receptor by which fucoidan induces cellular processes has not been elucidated. In this study, we demonstrate that fucoidan induces platelet activation in a concentration-dependent manner. Fucoidan-induced platelet activation was completely abolished by the pan-Src family kinase (SFK) inhibitor, PP2, or when Syk is inhibited. PP2 abolished phosphorylations of Syk and Phospholipase C-γ2. Fucoidan-induced platelet activation had a lag phase, which is reminiscent of platelet activation by collagen and CLEC-2 receptor agonists. Platelet activation by fucoidan was only slightly inhibited in FcRγ-chain null mice, indicating that fucoidan was not acting primarily through GPVI receptor. On the other hand, fucoidan-induced platelet activation was inhibited in platelet-specific CLEC-2 knock-out murine platelets revealing CLEC-2 as a physiological target of fucoidan. Thus, our data show fucoidan as a novel CLEC-2 receptor agonist that activates platelets through a SFK-dependent signaling pathway. Furthermore, the efficacy of fucoidan in hemophilia raises the possibility that decreased bleeding times could be achieved through activation of platelets.
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Affiliation(s)
- Bhanu Kanth Manne
- Department of Physiology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140; Department of Pharmacology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140
| | - Todd M Getz
- Department of Physiology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140; Department of Pharmacology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140
| | - Craig E Hughes
- Centre for Cardiovascular Sciences, Institute for Biomedical Research, The College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Osama Alshehri
- Centre for Cardiovascular Sciences, Institute for Biomedical Research, The College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Carol Dangelmaier
- Department of Physiology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140; Department of Pharmacology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140
| | - Ulhas P Naik
- Cardiovascular Research Institute, University of Delaware, Newark, Delaware 19716
| | - Steve P Watson
- Centre for Cardiovascular Sciences, Institute for Biomedical Research, The College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Satya P Kunapuli
- Department of Physiology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140; Department of Pharmacology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140; Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania 19140.
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21
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Park SJ, Lee KW, Lim DS, Lee S. The Sulfated Polysaccharide Fucoidan Stimulates Osteogenic Differentiation of Human Adipose-Derived Stem Cells. Stem Cells Dev 2012; 21:2204-11. [DOI: 10.1089/scd.2011.0521] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Affiliation(s)
- Soo-jeong Park
- Functional Genomics Lab, CHA University, Graduate School of Biomedical Science, Seongnam, Korea
| | - Kyo Won Lee
- Department of Obstetrics and Gynecology, Kangbuk Samsung Hospital, Sungkyunkwan University, School of Medicine, Seoul, Korea
| | - Dae-Seog Lim
- Department of Applied Bioscience, CHA University, Seongnam, Korea
| | - Suman Lee
- Functional Genomics Lab, CHA University, Graduate School of Biomedical Science, Seongnam, Korea
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22
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Min SK, Han SM, Kim HT, Kwon OC, Lee S, Kim JK. Algal fucoidan, unlike heparin, has thrombolytic activity in a murine arterial thrombosis model. Blood Coagul Fibrinolysis 2012; 23:359-66. [PMID: 22576287 DOI: 10.1097/mbc.0b013e3283518815] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Thrombolytic effects of fucoidans were investigated in the FeCl3-induced arterial thrombus mouse model and compared with heparin and tissue plasminogen activator (t-PA). Thrombosis model was made by applying 5% FeCl3 on the carotid artery of a Balb/c mouse. Twenty minutes after complete occlusion, a couple of test agents including fucoidan were infused into each mouse group with various doses intravenously, before measuring the time to reperfusion. The occluded arteries were reperfused 37.5 ± 12.4 min after administration of unfractionated fucoidan from Undaria pinnatifida sporophylls (UPS-UF) with a dose of 100 mg/kg. In the mice given either a low-molecular-weight UPS fucoidan or fucoidan source from Fucus vesiculosus (FV-UF), reperfusion was delayed at 55.0 ± 8.0 min with a higher reperfusion effective dose (RED) of 1 g/kg or at 63.3 ± 7.2 at RED of 200 mg/kg, respectively. In the control mice given t-PA of 15 mg/kg, reperfusion occurred at 24.8 ± 6.5 min after administration. In contrast, reperfusion was not observed in the occluded mice given heparin (P < 0.001) in the range of 60-1000 mg/kg. Minimal injection of fucoidan in addition to a given t-PA-enabled restoration of blood flow in the blocked artery without reocclusion at 17.2 ± 2.3 min postinjection (P < 0.002). In conclusion, algal fucoidan has both thrombolytic activity and a stimulatory effect on the thrombolytic activity of t-PA in a dose-dependent manner at an arterial thrombosis model.
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Affiliation(s)
- Soon-Ki Min
- Department of Biomedical Engineering and Radiology, School of Medicine, Catholic University of Daegu, Daegu, Korea
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23
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Zhao X, Dong S, Wang J, Li F, Chen A, Li B. A comparative study of antithrombotic and antiplatelet activities of different fucoidans from Laminaria japonica. Thromb Res 2012; 129:771-8. [PMID: 21872298 DOI: 10.1016/j.thromres.2011.07.041] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2011] [Revised: 06/06/2011] [Accepted: 07/25/2011] [Indexed: 10/17/2022]
Abstract
INTRODUCTION Fucoidans extracted from brown algae represent an intriguing group of natural fucose-enriched sulfated polysaccharide, with excellent anticoagulant, antimetastatic, antiangiogenic and anti-inflammatory activities. In the present study, we compared antithrombotic activities of four fucoidan fractions with different molecular weight and sulfated ester content from Laminaria japonica in an electrical induced arterial thrombosis and their potential mechanism underlying such activity. RESULTS AND CONCLUSIONS In vivo middle molecular weight (MMW) fucoidan fractions with molecular weight about 28000 and 35000 exhibited better antithrombotic activity in electrical induced arterial thrombosis than low molecular weight (LMW) fucoidan LF1 and LF2 (Mw 7600 and 3900). Inhibition of arterial thrombosis occurred at dose of 0.1-0.25mg/kg for MMW fucoidans, accompanied with moderate anticoagulant activity and significant decrease of whole blood viscosity and hematocrit. The antithrombotic effects of MMW Fucoidans might be related with promotion of TFPI content and decrease of TXB2 content, without affecting platelet aggregation and 6-keto-PGF1α content in vivo. In contrast, LMW fucoidans showed a correlation among anticoagulant, antiplatelet and antithrombotic effects in vivo. Antithrombotic action of LF1 and LF2 required high dose of 2.5-10mg/kg, concomitantly with anticoagulant activity and specific inhibition of platelet aggregation in vivo. Their antithrombotic effect might be related to their promotion of TFPI and 6-keto-PGF1α, down regulation of TXB2, without affecting hemorheology. These findings suggested that fucoidan fractions with different molecular weight acted on the antithrombotic action by different mechanism. By comparison, highly sulfated fucoidan LF2 with molecular weight of 3900 seemed to be a more suitable choice of antithrombotic drug for its antithrombotic activity accompanied with specific inhibitory activity on platelet aggregation, low anticoagulant activity and low hemorrhagic risk in vivo.
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Affiliation(s)
- Xue Zhao
- College of Food Science and Technology, Ocean University of China, No.5, Yu Shan Road, 266003 Qingdao, Shandong, PR China
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Min SK, Kwon OC, Lee S, Park KH, Kim JK. An antithrombotic fucoidan, unlike heparin, does not prolong bleeding time in a murine arterial thrombosis model: a comparative study of Undaria pinnatifida sporophylls and Fucus vesiculosus. Phytother Res 2012; 26:752-7. [PMID: 22084059 DOI: 10.1002/ptr.3628] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Revised: 06/25/2011] [Accepted: 07/09/2011] [Indexed: 11/10/2022]
Abstract
The antithrombotic activities and bleeding effects of selected fucoidans (source from either Undaria pinnatifida sporophylls or from Fucus vesiculosus) have been compared with heparin in the ferric chloride-induced arterial thrombus mouse model. Thrombosis was induced by applying 5% ferric chloride for 3 min on the carotid artery region of Balb/c mouse. Five minutes prior to thrombus induction, mice were infused through the tail vein with either saline (control) or polysaccharides. Either fucoidan or heparin was dosed at 0.1, 1.25, 2.5, 5.0, 10, 25, or 50 mg/kg intravenously (i.v.) The carotid blood flow was monitored until more than 60 min post-thrombus induction. Mouse tail transection bleeding time was measured up to 60 min after making a cut in the mouse tail. Both antithrombotic and bleeding effects were observed in a dose-dependent manner for both fucoidans and heparin. Thrombus formation was totally (reflected by Doppler flow meter) inhibited at either 5 or 50 mg/kg of unfractionated Undaria fucoidan or a low-molecular-weight Undaria fucoidan fraction, respectively, without prolonging the time-to-stop bleeding compared with the control (p < 0.01). The total inhibition of thrombus formation was observed for unfractionated Fucus fucoidan at 25 mg/kg where the time-to-stop bleeding was still significantly prolonged, by as much as 8 ± 1.7 min (p < 0.02). In contrast the heparin-treated group showed total inhibition of thrombus formation even at a small dose of 0.8 mg/kg (400 IU) at which bleeding continued until 60 min. In conclusion algal fucoidans are highly antithrombotic without potential haemorrhagic effects compared with heparin in the arterial thrombus model, but this property differs from algal species to species, and from the molecular structure of fucoidans.
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Affiliation(s)
- Soon-Ki Min
- Department of Biomedical Engineering and Radiology, School of Medicine, Catholic University of Daegu, Daegu, Korea
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Abstract
Fucoidan, a sulfated polysaccharide extracted from brown seaweed, is a candidate for the treatment of ischemic diseases. The aim of this study was to measure the therapeutic potential of fucoidan in a rat model of myocardial ischemia-reperfusion injury. Forty rats were submitted to myocardial ischemia-reperfusion injury by transient occlusion of the left coronary artery. Rats were then randomized into 2 groups: fucoidan (5 mg/kg, intramuscularly; n = 20) or control (saline intramuscularly; n = 20) was administered 1 hour before injury and daily thereafter for 1 month. At 1 month, plasma levels of stromal cell-derived factor-1α (SDF-1α) were assessed by enzyme-linked immunosorbent assay kit. Hearts were evaluated by histoimmunochemistry. Fucoidan induced significant antifibrotic effects, reducing the infarct scar size by almost 30% on Sirius red-stained sections (9.45% ± 4.27% vs. 13% ± 5.67% in controls; P = 0.03). Vascular density in the fucoidan group (α-actin, RECA-1, or lectin BS1 stained) was increased by 40% (2.18 ± 0.79 mm vs. 1.49 ± 0.42 mm in controls ×200; P = 0.001). Plasma SDF-1α at 1 month was not significantly different between the 2 groups. However, increased immunostaining density of SDF-1α and vascular endothelial growth factor in fibrotic ischemic tissues was observed in fucoidan-treated animals versus controls. In conclusion, fucoidan enhanced tissue repair in myocardial ischemia-reperfusion by promoting revascularization (in situ vascular endothelial growth factor and SDF-1α overexpression) and limiting fibrosis. Consequently, fucoidan may be useful for myocardial ischemic patients.
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Abstract
Polysaccharides are ubiquitous in animals and plant cells where they play a significant role in a number of physiological situations e.g. hydration, mechanical properties of cell walls and ionic regulation. This review concentrates on heparin-like entities from marine procaryotes and eukaryotes. Carbohydrates from marine prokaryotes offer a significant structural chemodiversity with novel material and biological properties. Cyanobacteria are Gram-negative photosynthetic prokaryotes considered as a rich source of novel molecules, and marine bacteria are a rich source of polysaccharides with novel structures, which may be a good starting point from which to synthesise heparinoid molecules. For example, some sulphated polysaccharides have been isolated from gamma-proteobacteria such as Alteromonas and Pseudoalteromonas sp. In contrast to marine bacteria, all marine algae contain sulphated wall polysaccharides, whereas such polymers are not found in terrestrial plants. In their native form, or after chemical modifications, a range of polysaccharides isolated from marine organisms have been described that have anticoagulant, anti-thrombotic, anti-tumour, anti-proliferative, anti-viral or anti-inflammatory activities.In spite of the enormous potential of sulphated oligosaccharides from marine sources, their technical and pharmaceutical usage is still limited because of the high complexity of these molecules. Thus, the production of tailor-made oligo- and polysaccharidic structures by biocatalysis is also a growing field of interest in biotechnology.
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Affiliation(s)
- S Colliec-Jouault
- Laboratoire de Biotechnologie et Molécules Marines, Nantes Cedex 3, France.
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Morya VK, Kim J, Kim EK. Algal fucoidan: structural and size-dependent bioactivities and their perspectives. Appl Microbiol Biotechnol 2012; 93:71-82. [PMID: 22089385 DOI: 10.1007/s00253-011-3666-8] [Citation(s) in RCA: 118] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Revised: 10/03/2011] [Accepted: 10/22/2011] [Indexed: 11/26/2022]
Abstract
Fucoidan is a complex-sulfated polysaccharide distributed in various marine organisms, and the brown algae are reported as the major producer. The fucoidan is important for their high bioactive properties, like antibacterial, anticoagulant, antiviral, anti-tumor, etc., and many more to be explored. There is a strong archival support for the bioactivity and promising properties of this molecule, which creates a hope for this molecule as future drug against thrombosis and some kind of cancers. Reports other than the above bioactive properties have also been a matter of interest for the design of signal or enzyme-arrested new class of drugs. In the past three decades, the research on isolation, molecular characterization, and screening of biological applications has significantly increased. One major issue associated with this molecule is the higher size and seasonal variation in their chemical composition; to resolve the issue and maintain its bioactivity, a prioritized and literal hydrolysis process is required to be developed. Here, in this mini-review, we have tried to summarize the algal fucoidan research and the bioactivities influenced by their molecular size.
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Affiliation(s)
- V K Morya
- National Research Laboratory of Bioactive Materials, Department of Biological Engineering, Inha University, Incheon, South Korea
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28
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Marine polysaccharides: a source of bioactive molecules for cell therapy and tissue engineering. Mar Drugs 2011; 9:1664-1681. [PMID: 22131964 PMCID: PMC3225941 DOI: 10.3390/md9091664] [Citation(s) in RCA: 146] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2011] [Revised: 09/02/2011] [Accepted: 09/05/2011] [Indexed: 01/09/2023] Open
Abstract
The therapeutic potential of natural bioactive compounds such as polysaccharides, especially glycosaminoglycans, is now well documented, and this activity combined with natural biodiversity will allow the development of a new generation of therapeutics. Advances in our understanding of the biosynthesis, structure and function of complex glycans from mammalian origin have shown the crucial role of this class of molecules to modulate disease processes and the importance of a deeper knowledge of structure-activity relationships. Marine environment offers a tremendous biodiversity and original polysaccharides have been discovered presenting a great chemical diversity that is largely species specific. The study of the biological properties of the polysaccharides from marine eukaryotes and marine prokaryotes revealed that the polysaccharides from the marine environment could provide a valid alternative to traditional polysaccharides such as glycosaminoglycans. Marine polysaccharides present a real potential for natural product drug discovery and for the delivery of new marine derived products for therapeutic applications.
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Ettelaie C, Fountain D, Collier MEW, Elkeeb AM, Xiao YP, Maraveyas A. Low molecular weight heparin downregulates tissue factor expression and activity by modulating growth factor receptor-mediated induction of nuclear factor-κB. Biochim Biophys Acta Mol Basis Dis 2011; 1812:1591-600. [PMID: 21946214 DOI: 10.1016/j.bbadis.2011.09.007] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2011] [Revised: 09/07/2011] [Accepted: 09/08/2011] [Indexed: 12/18/2022]
Abstract
Treatment of cancer patients with low molecular weight heparin (LMWH) appears to have beneficial effects. In this study, the influence of low molecular weight heparin (LMWH) on tissue factor (TF) expression and activity in five cell lines from various tissues was analysed and explored. Incubation of cells with LMWH (0-2000μg/ml) resulted in the downregulation of TF mRNA expression which was both LMWH concentration-dependent and time-dependent. Downregulation of TF was also measured as decreased cellular TF antigen and activity. Consistently, incubation of cells with LMWH suppressed the nuclear localisation and the transcriptional activity of NFκB. Decreased TF mRNA was largely achievable by incubating the cells with an NFκB inhibitor alone whilst incubation with betulinic acid to activate NFκB reversed the inhibitory influence of LMWH. Cells were also incubated with a range of concentrations of EGF (0-10ng/ml), bFGF (0-20ng/ml) or VEGF (0-4ng/ml) in the presence or absence of LMWH (200μg/ml) for 24h and TF antigen measured. Inclusion of LMWH reduced TF expression in response to EGF, bFGF or VEGF but TF expression was partially restored by increasing concentrations of the growth factors. We conclude that LMWH downregulates TF expression in vitro through a mechanism that involves interference with the function of growth factors which in turn is mediated through the downregulation of the transcriptional activity of NFκB. This mechanism may also explain some of the beneficial influences attributed to LMWH therapy in the treatment of cancer patients.
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Affiliation(s)
- Camille Ettelaie
- Department of Biological Sciences, University of Hull, Hull, UK.
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Hlawaty H, Suffee N, Sutton A, Oudar O, Haddad O, Ollivier V, Laguillier-Morizot C, Gattegno L, Letourneur D, Charnaux N. Low molecular weight fucoidan prevents intimal hyperplasia in rat injured thoracic aorta through the modulation of matrix metalloproteinase-2 expression. Biochem Pharmacol 2011; 81:233-43. [DOI: 10.1016/j.bcp.2010.09.021] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2010] [Revised: 09/20/2010] [Accepted: 09/22/2010] [Indexed: 10/19/2022]
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Loisel F, Pauchot J, Gasse N, Meresse T, Rochet S, Tropet Y, Obert L. Adjonction d’antithrombotiques in situ en cas de replantation digitale : étude prospective préliminaire de 13 cas. ACTA ACUST UNITED AC 2010; 29:326-31. [DOI: 10.1016/j.main.2010.03.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2009] [Revised: 11/18/2009] [Accepted: 03/27/2010] [Indexed: 10/19/2022]
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32
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Zhu Z, Zhang Q, Chen L, Ren S, Xu P, Tang Y, Luo D. Higher specificity of the activity of low molecular weight fucoidan for thrombin-induced platelet aggregation. Thromb Res 2010; 125:419-26. [PMID: 20381830 DOI: 10.1016/j.thromres.2010.02.011] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2009] [Revised: 02/05/2010] [Accepted: 02/16/2010] [Indexed: 11/28/2022]
Abstract
Algal fucoidans possess a wide variety of biological activities, including anticoagulation and antithrombosis, making them potential candidates for clinical use. We assessed the antiaggregant, anticoagulant and antithrombotic activities and the underlying mechanism of the low- and high-molecular weight fucoidans from the seaweed Laminaria japonica of Qingdao, China (F-Q and HMWF-Q). In the platelets of rats and humans, HMWF-Q demonstrated a pro-aggregation response, whereas F-Q (like the commercially purchased fucoidan (F-S) and heparin), showed an inhibitory effect on thrombin-induced aggregation with an IC(50) of 8 microg/mL, approximately five times lower than those of F-S and heparin. In the activated partial thromboplastin time test, F-Q (40 microg/mL) demonstrated less potent effect than F-S (40 microg/mL) and heparin (7mug/mL); 162+/-2.4s vs. 250+/-13.2s and >300s, p<0.01, respectively. It was also less effective than F-S on inhibiting thrombin catalyzed fibrinogen cleavage (IC(50) 10 microg/mL vs. 2.8 microg/mL) in vitro and rat thrombosis in vivo at 3mg/kg (i.v.). The inhibitory effects of F-Q and heparin on thrombin activity were strikingly enhanced by either antithrombin (AT) or heparin cofactor II (HCII). A direct interaction of F-S with thrombin, and F-Q or heparin with AT was demonstrated in both fluorescence quenching and PAGE analysis. Additionally, a pro-aggregation effect and an enhancement of thrombin activity were also observed with F-S, but not with F-Q or heparin, treatment. These results indicate that F-Q inhibits thrombin via activation of AT and HCII, whereas F-S mainly interacts directly with thrombin. Importantly, F-Q shows a higher specificity for hypoaggregation and a weaker effect for anticoagulant profiles than heparin and F-S. Therefore, F-Q could be a promising candidate for the treatment of thrombosis-related cardiovascular diseases.
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Affiliation(s)
- Zhixiang Zhu
- Department of Pharmacology, Capital Medical University, Beijing 100069, PR China
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