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Vitharana S, Stillahn JM, Katayama DS, Henry CS, Manning MC. Application of Formulation Principles to Stability Issues Encountered During Processing, Manufacturing, and Storage of Drug Substance and Drug Product Protein Therapeutics. J Pharm Sci 2023; 112:2724-2751. [PMID: 37572779 DOI: 10.1016/j.xphs.2023.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 07/24/2023] [Accepted: 08/07/2023] [Indexed: 08/14/2023]
Abstract
The field of formulation and stabilization of protein therapeutics has become rather extensive. However, most of the focus has been on stabilization of the final drug product. Yet, proteins experience stress and degradation through the manufacturing process, starting with fermentaition. This review describes how formulation principles can be applied to stabilize biopharmaceutical proteins during bioprocessing and manufacturing, considering each unit operation involved in prepration of the drug substance. In addition, the impact of the container on stabilty is discussed as well.
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Affiliation(s)
| | - Joshua M Stillahn
- Legacy BioDesign LLC, Johnstown, CO 80534, USA; Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
| | | | - Charles S Henry
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
| | - Mark Cornell Manning
- Legacy BioDesign LLC, Johnstown, CO 80534, USA; Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA.
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2
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Tan Z, Li X, Yu C, Yao M, Zhao Z, Guo B, Liang L, Wei Y, Yao F, Zhang H, Li J. A self-gelling powder based on polyacrylic acid/polyacrylamide/quaternate chitosan for rapid hemostasis. Int J Biol Macromol 2023; 232:123449. [PMID: 36709811 DOI: 10.1016/j.ijbiomac.2023.123449] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 01/12/2023] [Accepted: 01/24/2023] [Indexed: 01/28/2023]
Abstract
In order to improve the hemostatic effect of the hemostatic dressing for non-compressible wounds, unknown bleeding points and irregularly shaped wounds, a self-gelling hemostasis powder based on polyacrylic acid/polyacrylamide/quaternate chitosan (PAA/PAM/QCS) is prepared in this study. When in contact with water, the PAA/PAM/QCS can fuse and rapidly form a stable hydrogel in a short time (< 0.25 min). The PAA/PAM ratio is the main parameter that modulates the formation of the self-gel. The PAA/PAM self-gel can be formed only when the PAA/PAM ratio is 5:5, and the introduction of QCS does not influence the self-gelling behaviors and hydrogel stability. Moreover, the PAA/PAM/QCS self-gel shows good adhesive properties on wet tissue surfaces. In addition, the introduction of QCS improves the antibacterial activity of the self-gelling hemostasis powder. Furthermore, the prepared PAA/PAM/QCS powder can rapidly adsorb lots of blood, aggregate blood cells and platelets. The hemostatic results in vivo show that PAA/PAM/QCS powder is superior to the control group and commercial product groups (chitosan powder) with performance similar to hemostatic zeolite in terms of the amount of bleeding and hemostatic time. Therefore, the PAA/PAM/QCS self-gelling powder shows great application prospects for rapid hemostasis.
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Affiliation(s)
- Zhouying Tan
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Xi Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Chaojie Yu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China; Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Educatio, Tianjin University, Tianjin 300350, China
| | - Mengmeng Yao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Zhongming Zhao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Bingyan Guo
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Lei Liang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Yuping Wei
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300350, China
| | - Fanglian Yao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China; Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Educatio, Tianjin University, Tianjin 300350, China
| | - Hong Zhang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China; Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Educatio, Tianjin University, Tianjin 300350, China.
| | - Junjie Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China; Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Educatio, Tianjin University, Tianjin 300350, China; Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China.
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Growth of MIN-6 Cells on Salmon Fibrinogen Scaffold Improves Insulin Secretion. Pharmaceutics 2022; 14:pharmaceutics14050941. [PMID: 35631527 PMCID: PMC9144899 DOI: 10.3390/pharmaceutics14050941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/22/2022] [Accepted: 04/24/2022] [Indexed: 02/04/2023] Open
Abstract
The incidence of type I diabetes has been increasing worldwide at an annual rate of approximately 3%. One of the strategies to treat type I diabetes is islet transplantation, in which damaged β-cells are replaced with new islets. To improve β-cells’ expansion and pseudoislet formation, studies are focusing on using extracellular-matrix-resembling substrates. We evaluated the potential of salmon fibrinogen and chitosan electrospun scaffold as cell substrate for cultivating MIN-6 cells. The morphology of cells, insulin secretion and gene expression was evaluated and compared with other substrates (nanofibrous scaffold, microporous scaffold and tissue culture polystyrene). We found that all tested 3D conditions favored the pseudoislet formation of MIN-6 cells. The insulin secretion of MIN-6 cells after stimulation with high-glucose media shows approximately a 9-fold increase compared to the control group when a fibrinogen/chitosan-based electrospun scaffold was used for cultivation. The differences in insulin secretion were corroborated by differences in gene expression. The differences in insulin secretion could probably be attributed to the differences in the mechanical and/or chemical nature of the tested substrates.
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Insuasti‐Cruz E, Suárez‐Jaramillo V, Mena Urresta KA, Pila‐Varela KO, Fiallos‐Ayala X, Dahoumane SA, Alexis F. Natural Biomaterials from Biodiversity for Healthcare Applications. Adv Healthc Mater 2022; 11:e2101389. [PMID: 34643331 DOI: 10.1002/adhm.202101389] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 09/20/2021] [Indexed: 12/22/2022]
Abstract
Natural biomaterials originating during the growth cycles of all living organisms have been used for many applications. They span from bioinert to bioactive materials including bioinspired ones. As they exhibit an increasing degree of sophistication, natural biomaterials have proven suitable to address the needs of the healthcare sector. Here the different natural healthcare biomaterials, their biodiversity sources, properties, and promising healthcare applications are reviewed. The variability of their properties as a result of considered species and their habitat is also discussed. Finally, some limitations of natural biomaterials are discussed and possible future developments are provided as more natural biomaterials are yet to be discovered and studied.
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Affiliation(s)
- Erick Insuasti‐Cruz
- School of Biological Sciences & Engineering Yachay Tech University Urcuquí 100119 Ecuador
| | | | | | - Kevin O. Pila‐Varela
- School of Biological Sciences & Engineering Yachay Tech University Urcuquí 100119 Ecuador
| | - Xiomira Fiallos‐Ayala
- School of Biological Sciences & Engineering Yachay Tech University Urcuquí 100119 Ecuador
| | - Si Amar Dahoumane
- Department of Chemical Engineering Polytech Montreal Montreal Quebec H3C 3A7 Canada
- Center for Advances in Water and Air Quality (CAWAQ) Lamar University Beaumont TX 77710 USA
| | - Frank Alexis
- School of Biological Sciences & Engineering Yachay Tech University Urcuquí 100119 Ecuador
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Zheng C, Zeng Q, Pimpi S, Wu W, Han K, Dong K, Lu T. Research status and development potential of composite hemostatic materials. J Mater Chem B 2020; 8:5395-5410. [DOI: 10.1039/d0tb00906g] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Through the discussion of the coagulation mechanism of compositehemostatic materials, the future development potential of hemostatic materials is proposed.
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Affiliation(s)
- Caiyun Zheng
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an Shaanxi
- P. R. China
| | - Qingyan Zeng
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an Shaanxi
- P. R. China
| | - SaHu Pimpi
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an Shaanxi
- P. R. China
| | - Wendong Wu
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an Shaanxi
- P. R. China
| | - Kai Han
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an Shaanxi
- P. R. China
| | - Kai Dong
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an Shaanxi
- P. R. China
| | - Tingli Lu
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an Shaanxi
- P. R. China
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Laidmäe I, Ērglis K, Cēbers A, Janmey PA, Uibo R. Salmon fibrinogen and chitosan scaffold for tissue engineering: in vitro and in vivo evaluation. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:182. [PMID: 30506370 PMCID: PMC6267118 DOI: 10.1007/s10856-018-6192-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 11/16/2018] [Indexed: 06/09/2023]
Abstract
3D fibrous scaffolds have received much recent attention in regenerative medicine. Use of fibrous scaffolds has shown promising results in tissue engineering and wound healing. Here we report the development and properties of a novel fibrous scaffold that is useful for promoting wound healing. A scaffold made of salmon fibrinogen and chitosan is produced by electrospinning, resulting in a biocompatible material mimicking the structure of the native extracellular matrix (ECM) with suitable biochemical and mechanical properties. The scaffold is produced without the need for enzymes, in particular thrombin, but is fully compatible with their addition if needed. Human dermal fibroblasts cultured on this scaffold showed progressive proliferation for 14 days. Split-thickness experimental skin wounds treated and untreated were compared in a 10-day follow-up period. Wound healing was more effective using the fibrinogen-chitosan scaffold than in untreated wounds. This scaffold could be applicable in various medical purposes including surgery, tissue regeneration, burns, traumatic injuries, and 3D cell culture platforms.
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Affiliation(s)
- Ivo Laidmäe
- Department of Immunology, Institute of Biomedicine and Translational Medicine, University of Tartu, 50411, Tartu, Estonia.
- Institute of Pharmacy, University of Tartu, 50411, Tartu, Estonia.
| | - Kaspars Ērglis
- Faculty of Physics, Mathematics and Optometry, University of Latvia, Riga, LV-1002, Latvia
| | - Andrejs Cēbers
- Faculty of Physics, Mathematics and Optometry, University of Latvia, Riga, LV-1002, Latvia
| | - Paul A Janmey
- Institute for Medicine and Engineering and Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Raivo Uibo
- Department of Immunology, Institute of Biomedicine and Translational Medicine, University of Tartu, 50411, Tartu, Estonia
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Hickman DA, Pawlowski CL, Sekhon UDS, Marks J, Gupta AS. Biomaterials and Advanced Technologies for Hemostatic Management of Bleeding. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:10.1002/adma.201700859. [PMID: 29164804 PMCID: PMC5831165 DOI: 10.1002/adma.201700859] [Citation(s) in RCA: 256] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 06/18/2017] [Indexed: 05/03/2023]
Abstract
Bleeding complications arising from trauma, surgery, and as congenital, disease-associated, or drug-induced blood disorders can cause significant morbidities and mortalities in civilian and military populations. Therefore, stoppage of bleeding (hemostasis) is of paramount clinical significance in prophylactic, surgical, and emergency scenarios. For externally accessible injuries, a variety of natural and synthetic biomaterials have undergone robust research, leading to hemostatic technologies including glues, bandages, tamponades, tourniquets, dressings, and procoagulant powders. In contrast, treatment of internal noncompressible hemorrhage still heavily depends on transfusion of whole blood or blood's hemostatic components (platelets, fibrinogen, and coagulation factors). Transfusion of platelets poses significant challenges of limited availability, high cost, contamination risks, short shelf-life, low portability, performance variability, and immunological side effects, while use of fibrinogen or coagulation factors provides only partial mechanisms for hemostasis. With such considerations, significant interdisciplinary research endeavors have been focused on developing materials and technologies that can be manufactured conveniently, sterilized to minimize contamination and enhance shelf-life, and administered intravenously to mimic, leverage, and amplify physiological hemostatic mechanisms. Here, a comprehensive review regarding the various topical, intracavitary, and intravenous hemostatic technologies in terms of materials, mechanisms, and state-of-art is provided, and challenges and opportunities to help advancement of the field are discussed.
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Affiliation(s)
- DaShawn A Hickman
- Case Western Reserve University School of Medicine, Department of Pathology, Cleveland, Ohio 44106, USA
| | - Christa L Pawlowski
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
| | - Ujjal D S Sekhon
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
| | - Joyann Marks
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
| | - Anirban Sen Gupta
- Case Western Reserve University, Department of Biomedical Engineering, Cleveland, Ohio 44106, USA
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Zhang S, Kartha S, Lee J, Winkelstein BA. Techniques for Multiscale Neuronal Regulation via Therapeutic Materials and Drug Design. ACS Biomater Sci Eng 2017; 3:2744-2760. [DOI: 10.1021/acsbiomaterials.7b00012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Sijia Zhang
- Department of Bioengineering, University of Pennsylvania, 210 S. 33rd Street, 240 Skirkanich
Hall, Philadelphia, Pennsylvania 19104, United States
| | - Sonia Kartha
- Department of Bioengineering, University of Pennsylvania, 210 S. 33rd Street, 240 Skirkanich
Hall, Philadelphia, Pennsylvania 19104, United States
| | - Jasmine Lee
- Department of Physics and Astronomy, University of Pennsylvania, 209 S. 33rd Street, David Rittenhouse Laboratory, Philadelphia, Pennsylvania 19104, United States
| | - Beth A. Winkelstein
- Department of Bioengineering, University of Pennsylvania, 210 S. 33rd Street, 240 Skirkanich
Hall, Philadelphia, Pennsylvania 19104, United States
- Department
of Neurosurgery, University of Pennsylvania, Stemmler Hall, 3450 Hamilton Walk, Philadelphia, Pennsylvania 19104, United States
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Smith JR, Winkelstein BA. The role of spinal thrombin through protease-activated receptor 1 in hyperalgesia after neural injury. J Neurosurg Spine 2017; 26:532-541. [PMID: 28059686 DOI: 10.3171/2016.9.spine16501] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Painful neuropathic injuries induce blood-spinal cord barrier (BSCB) breakdown, allowing pro-inflammatory serum molecules to cross the BSCB, which contributes to nociception. The goal of these studies was to determine whether the blood-borne serine protease thrombin also crosses a permeable BSCB, contributing to nociception through its activation of protease-activated receptor-1 (PAR1). METHODS A 15-minute C-7 nerve root compression, which induces BSCB breakdown and painful behaviors by Day 1, was administered in the rat (n = 10); sham operation (n = 11) and a 3-minute compression (n = 10) that does not induce sensitivity were administered as controls. At Day 1 after root compression, spinal cord tissue was co-immunolabeled for fibrin/fibrinogen, the enzymatic product of thrombin, and IgG, a serum protein, to determine whether thrombin acts in areas of BSCB breakdown. To determine whether spinal thrombin and PAR1 contribute to hyperalgesia after compression, the thrombin inhibitor hirudin and the PAR1 antagonist SCH79797, were separately administered intrathecally before compression injuries (n = 5-7 per group). Rat thrombin was also administered intrathecally with and without SCH79797 (n = 6 per group) to determine whether spinal thrombin induces hypersensitivity in naïve rats through PAR1. RESULTS Spinal fibrin(ogen) was elevated at Day 1 after root compression in regions localized to BSCB breakdown and decreased in those regions by Day 7. Blocking either spinal thrombin or PAR1 completely prevented compression-induced hyperalgesia for 7 days. Intrathecal thrombin induced transient pain that was prevented by blocking spinal PAR1 before its injection. CONCLUSIONS The findings of this study suggest a potent role for spinal thrombin and its activation of PAR1 in pain onset following neuropathic injury.
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Affiliation(s)
| | - Beth A. Winkelstein
- Departments of 1Bioengineering and
- 2Neurosurgery, University of Pennsylvania, Philadelphia, Pennsylvania
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Arulmoli J, Wright HJ, Phan DTT, Sheth U, Que RA, Botten GA, Keating M, Botvinick EL, Pathak MM, Zarembinski TI, Yanni DS, Razorenova OV, Hughes CCW, Flanagan LA. Combination scaffolds of salmon fibrin, hyaluronic acid, and laminin for human neural stem cell and vascular tissue engineering. Acta Biomater 2016; 43:122-138. [PMID: 27475528 PMCID: PMC5386322 DOI: 10.1016/j.actbio.2016.07.043] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2016] [Revised: 06/29/2016] [Accepted: 07/26/2016] [Indexed: 12/13/2022]
Abstract
UNLABELLED Human neural stem/progenitor cells (hNSPCs) are good candidates for treating central nervous system (CNS) trauma since they secrete beneficial trophic factors and differentiate into mature CNS cells; however, many cells die after transplantation. This cell death can be ameliorated by inclusion of a biomaterial scaffold, making identification of optimal scaffolds for hNSPCs a critical research focus. We investigated the properties of fibrin-based scaffolds and their effects on hNSPCs and found that fibrin generated from salmon fibrinogen and thrombin stimulates greater hNSPC proliferation than mammalian fibrin. Fibrin scaffolds degrade over the course of a few days in vivo, so we sought to develop a novel scaffold that would retain the beneficial properties of fibrin but degrade more slowly to provide longer support for hNSPCs. We found combination scaffolds of salmon fibrin with interpenetrating networks (IPNs) of hyaluronic acid (HA) with and without laminin polymerize more effectively than fibrin alone and generate compliant hydrogels matching the physical properties of brain tissue. Furthermore, combination scaffolds support hNSPC proliferation and differentiation while significantly attenuating the cell-mediated degradation seen with fibrin alone. HNSPCs express two fibrinogen-binding integrins, αVβ1 and α5β1, and several laminin binding integrins (α7β1, α6β1, α3β1) that can mediate interaction with the scaffold. Lastly, to test the ability of scaffolds to support vascularization, we analyzed human cord blood-derived endothelial cells alone and in co-culture with hNSPCs and found enhanced vessel formation and complexity in co-cultures within combination scaffolds. Overall, combination scaffolds of fibrin, HA, and laminin are excellent biomaterials for hNSPCs. STATEMENT OF SIGNIFICANCE Interest has increased recently in the development of biomaterials as neural stem cell transplantation scaffolds to treat central nervous system (CNS) injury since scaffolds improve survival and integration of transplanted cells. We report here on a novel combination scaffold composed of fibrin, hyaluronic acid, and laminin to support human neural stem/progenitor cell (hNSPC) function. This combined biomaterial scaffold has appropriate physical properties for hNSPCs and the CNS, supports hNSPC proliferation and differentiation, and attenuates rapid cell-mediated scaffold degradation. The hNSPCs and scaffold components synergistically encourage new vessel formation from human endothelial cells. This work marks the first report of a combination scaffold supporting human neural and vascular cells to encourage vasculogenesis, and sets a benchmark for biomaterials to treat CNS injury.
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Affiliation(s)
- Janahan Arulmoli
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA 92697, USA; Sue & Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA 92697, USA
| | - Heather J Wright
- Sue & Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA 92697, USA; Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Duc T T Phan
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Urmi Sheth
- Sue & Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA 92697, USA
| | - Richard A Que
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA 92697, USA
| | - Giovanni A Botten
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Mark Keating
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA 92697, USA
| | - Elliot L Botvinick
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA 92697, USA; The Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California, Irvine, Irvine, CA 92697, USA
| | - Medha M Pathak
- Sue & Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA 92697, USA; Department of Physiology & Biophysics, University of California, Irvine, Irvine, CA 92697, USA
| | | | - Daniel S Yanni
- Disc Comfort, Inc., 351 Hospital Road, Suite 202, Newport Beach, CA 92663, USA
| | - Olga V Razorenova
- Sue & Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA 92697, USA; Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Christopher C W Hughes
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA 92697, USA; Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA 92697, USA; The Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California, Irvine, Irvine, CA 92697, USA
| | - Lisa A Flanagan
- Department of Biomedical Engineering, University of California, Irvine, Irvine, CA 92697, USA; Sue & Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA 92697, USA; Department of Neurology, University of California, Irvine, Irvine, CA 92697, USA.
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Smith JR, Galie PA, Slochower DR, Weisshaar CL, Janmey PA, Winkelstein BA. Salmon-derived thrombin inhibits development of chronic pain through an endothelial barrier protective mechanism dependent on APC. Biomaterials 2015; 80:96-105. [PMID: 26708087 DOI: 10.1016/j.biomaterials.2015.11.062] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Revised: 11/13/2015] [Accepted: 11/29/2015] [Indexed: 02/08/2023]
Abstract
Many neurological disorders are initiated by blood-brain barrier breakdown, which potentiates spinal neuroinflammation and neurodegeneration. Peripheral neuropathic injuries are known to disrupt the blood-spinal cord barrier (BSCB) and to potentiate inflammation. But, it is not known whether BSCB breakdown facilitates pain development. In this study, a neural compression model in the rat was used to evaluate relationships among BSCB permeability, inflammation and pain-related behaviors. BSCB permeability increases transiently only after injury that induces mechanical hyperalgesia, which correlates with serum concentrations of pro-inflammatory cytokines, IL-7, IL-12, IL-1α and TNF-α. Mammalian thrombin dually regulates vascular permeability through PAR1 and activated protein C (APC). Since thrombin protects vascular integrity through APC, directing its affinity towards protein C, while still promoting coagulation, might be an ideal treatment for BSCB-disrupting disorders. Salmon thrombin, which prevents the development of mechanical allodynia, also prevents BSCB breakdown after neural injury and actively inhibits TNF-α-induced endothelial permeability in vitro, which is not evident the case for human thrombin. Salmon thrombin's production of APC faster than human thrombin is confirmed using a fluorogenic assay and APC is shown to inhibit BSCB breakdown and pain-related behaviors similar to salmon thrombin. Together, these studies highlight the impact of BSCB on pain and establish salmon thrombin as an effective blocker of BSCB, and resulting nociception, through its preferential affinity for protein C.
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Affiliation(s)
- Jenell R Smith
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Peter A Galie
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Physiology, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - David R Slochower
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Physiology, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Christine L Weisshaar
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Paul A Janmey
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Physiology, Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Beth A Winkelstein
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Neurosurgery, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Sharp KG, Dickson AR, Marchenko SA, Yee KM, Emery PN, Laidmåe I, Uibo R, Sawyer ES, Steward O, Flanagan LA. Salmon fibrin treatment of spinal cord injury promotes functional recovery and density of serotonergic innervation. Exp Neurol 2012; 235:345-56. [PMID: 22414309 DOI: 10.1016/j.expneurol.2012.02.016] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Revised: 01/25/2012] [Accepted: 02/25/2012] [Indexed: 12/19/2022]
Abstract
The neural degeneration caused by spinal cord injury leaves a cavity at the injury site that greatly inhibits repair. One approach to promoting repair is to fill the cavity with a scaffold to limit further damage and encourage regrowth. Injectable materials are advantageous scaffolds because they can be placed as a liquid in the lesion site then form a solid in vivo that precisely matches the contours of the lesion. Fibrin is one type of injectable scaffold, but risk of infection from blood borne pathogens has limited its use. We investigated the potential utility of salmon fibrin as an injectable scaffold to treat spinal cord injury since it lacks mammalian infectious agents and encourages greater neuronal extension in vitro than mammalian fibrin or Matrigel®, another injectable material. Female rats received a T9 dorsal hemisection injury and were treated with either salmon or human fibrin at the time of injury while a third group served as untreated controls. Locomotor function was assessed using the BBB scale, bladder function was analyzed by measuring residual urine, and sensory responses were tested by mechanical stimulation (von Frey hairs). Histological analyses quantified the glial scar, lesion volume, and serotonergic fiber density. Rats that received salmon fibrin exhibited significantly improved recovery of both locomotor and bladder function and a greater density of serotonergic innervation caudal to the lesion site without exacerbation of pain. Rats treated with salmon fibrin also exhibited less autophagia than those treated with human fibrin, potentially pointing to amelioration of sensory dysfunction. Glial scar formation and lesion size did not differ significantly among groups. The pattern and timing of salmon fibrin's effects suggest that it acts on neuronal populations but not by stimulating long tract regeneration. Salmon fibrin clearly has properties distinct from those of mammalian fibrin and is a beneficial injectable scaffold for treatment of spinal cord injury.
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Affiliation(s)
- Kelli G Sharp
- Reeve-Irvine Research Center and Department of Anatomy & Neurobiology, University of California Irvine, Irvine, CA 92697-1705, USA
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Laidmäe I, Belozjorova J, Sawyer ES, Janmey PA, Uibo R. Salmon fibrin glue in rats: Antibody studies. Biologicals 2012; 40:55-60. [DOI: 10.1016/j.biologicals.2011.12.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2011] [Revised: 12/05/2011] [Accepted: 12/16/2011] [Indexed: 10/14/2022] Open
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Weisshaar CL, Winer JP, Guarino BB, Janmey PA, Winkelstein BA. The potential for salmon fibrin and thrombin to mitigate pain subsequent to cervical nerve root injury. Biomaterials 2011; 32:9738-46. [PMID: 21944723 DOI: 10.1016/j.biomaterials.2011.09.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2011] [Accepted: 09/07/2011] [Indexed: 01/23/2023]
Abstract
Nerve root compression is a common cause of radiculopathy and induces persistent pain. Mammalian fibrin is used clinically as a coagulant but presents a variety of risks. Fish fibrin is a potential biomaterial for neural injury treatment because it promotes neurite outgrowth, is non-toxic, and clots readily at lower temperatures. This study administered salmon fibrin and thrombin following nerve root compression and measured behavioral sensitivity and glial activation in a rat pain model. Fibrin and thrombin each significantly reduced mechanical allodynia compared to injury alone (p < 0.02). Painful compression with fibrin exhibited allodynia that was not different from sham for any day using stimulation by a 2 g filament; allodynia was only significantly different (p < 0.043) from sham using the 4 g filament on days 1 and 3. By day 5, responses for fibrin treatment decreased to sham levels. Allodynia following compression with thrombin treatment were unchanged from sham at any time point. Macrophage infiltration at the nerve root and spinal microglial activation were only mildly modified by salmon treatments. Spinal astrocytic expression decreased significantly with fibrin (p < 0.0001) but was unchanged from injury responses for thrombin treatment. Results suggest that salmon fibrin and thrombin may be suitable biomaterials to mitigate pain.
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Affiliation(s)
- Christine L Weisshaar
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104-6321, USA.
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Laidmäe I, Salum T, Sawyer ES, Janmey PA, Uibo R. Characterization of the biological effect of fish fibrin glue in experiments on rats: immunological and coagulation studies. J Biomed Mater Res A 2010; 93:29-36. [PMID: 19484773 DOI: 10.1002/jbm.a.32505] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Fibrin glues (FG) of human or bovine origin are widely used for haemostasis and wound healing. In addition FGs are studied in many biomedical areas like cell therapy or tissue engineering. As any mammalian plasma products FG-s pose risk of transmission of bacteria, viruses, or prions and may compromise patient homeostasis. In this study, we examined coagulation parameters and immunological status of rats treated with salmon-derived FG. We evaluated the changes in thrombin time, prothrombin activity, and presence of antibodies on 46 Wistar rats. This study shows that salmon-derived FG, injected intraperitoneally, does not cause coagulation disturbances in the peripheral blood. After a first challenge with salmon-derived FG there were low but detectable amounts of antibodies revealed by ELISA and immunoblot. After a second administration there was substantial elevation of antibodies to FG components and other copurifying plasma proteins. Antibody reactivity to human Factor Va, revealed in three animals, was not associated with FG application. Taken together, blood immunological and coagulation parameters support the suitability of salmon-derived FG in the development of fibrin sealants for medical use.
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Affiliation(s)
- Ivo Laidmäe
- Department of Immunology, University of Tartu, Ravila Street 19, Tartu 51014, Estonia
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Abstract
Bridging nerve gaps with suitable grafts is a major clinical problem. The autologous nerve graft is considered to be the gold standard, providing the best functional results; however, donor site morbidity is still a major disadvantage. Various attempts have been made to overcome the problems of autologous nerve grafts with artificial nerve tubes, which are “ready-to-use” in almost every situation. A wide range of materials have been used in animal models but only few have been applied to date clinically, where biocompatibility is an inevitable prerequisite. This review gives an idea about artificial nerve tubes with special focus on their biocompatibility in animals and humans.
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Affiliation(s)
- Felix Stang
- Department of Plastic, Reconstructive and Hand Surgery, University of Luebeck, 23538 Luebeck, Germany
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +49-451-5002061; Fax: +49-451-5002190
| | - Gerburg Keilhoff
- Institute of Biochemistry and Cell Biology, University of Magdeburg, 39120 Magdeburg, Germany; E-Mail:
| | - Hisham Fansa
- Department of Plastic, Reconstructive and Aesthetic Surgery, Hand Surgery, Klinikum Bielefeld-Mitte, 33604 Bielefeld, Germany; E-Mail:
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Uibo R, Laidmäe I, Sawyer ES, Flanagan LA, Georges PC, Winer JP, Janmey PA. Soft materials to treat central nervous system injuries: evaluation of the suitability of non-mammalian fibrin gels. BIOCHIMICA ET BIOPHYSICA ACTA 2009; 1793:924-30. [PMID: 19344675 PMCID: PMC2895977 DOI: 10.1016/j.bbamcr.2009.01.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2008] [Revised: 01/06/2009] [Accepted: 01/07/2009] [Indexed: 12/24/2022]
Abstract
Polymeric scaffolds formed from synthetic or natural materials have many applications in tissue engineering and medicine, and multiple material properties need to be optimized for specific applications. Recent studies have emphasized the importance of the scaffolds' mechanical properties to support specific cellular responses in addition to considerations of biochemical interactions, material transport, immunogenicity, and other factors that determine biocompatibility. Fibrin gels formed from purified fibrinogen and thrombin, the final two reactants in the blood coagulation cascade, have long been shown to be effective in wound healing and supporting the growth of cells in vitro and in vivo. Fibrin, even without additional growth factors or other components has potential for use in neuronal wound healing in part because of its mechanical compliance that supports the growth of neurons without activation of glial proliferation. This review summarizes issues related to the use of fibrin gels in neuronal cell contexts, with an emphasis on issues of immunogenicity, and considers the potential advantages and disadvantages of fibrin prepared from non-mammalian sources.
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Affiliation(s)
- Raivo Uibo
- Immunology Group, IGMP University of Tartu, Ravila Street 19, Tartu 51014, Estonia
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DeRouchey J, Schmidt C, Walker GF, Koch C, Plank C, Wagner E, Rädler JO. Monomolecular Assembly of siRNA and Poly(ethylene glycol)−Peptide Copolymers. Biomacromolecules 2008; 9:724-32. [DOI: 10.1021/bm7011482] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jason DeRouchey
- Department of Physics, Department of Chemistry and Pharmacy, and Center for NanoScience, Ludwig-Maximilians-Universität, 80539 Munich, Germany, Institute of Experimental Oncology, Technische Universität, 81675 Munich, Germany, and National Institutes of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20692
| | - Claudia Schmidt
- Department of Physics, Department of Chemistry and Pharmacy, and Center for NanoScience, Ludwig-Maximilians-Universität, 80539 Munich, Germany, Institute of Experimental Oncology, Technische Universität, 81675 Munich, Germany, and National Institutes of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20692
| | - Greg F. Walker
- Department of Physics, Department of Chemistry and Pharmacy, and Center for NanoScience, Ludwig-Maximilians-Universität, 80539 Munich, Germany, Institute of Experimental Oncology, Technische Universität, 81675 Munich, Germany, and National Institutes of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20692
| | - Christian Koch
- Department of Physics, Department of Chemistry and Pharmacy, and Center for NanoScience, Ludwig-Maximilians-Universität, 80539 Munich, Germany, Institute of Experimental Oncology, Technische Universität, 81675 Munich, Germany, and National Institutes of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20692
| | - Christian Plank
- Department of Physics, Department of Chemistry and Pharmacy, and Center for NanoScience, Ludwig-Maximilians-Universität, 80539 Munich, Germany, Institute of Experimental Oncology, Technische Universität, 81675 Munich, Germany, and National Institutes of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20692
| | - Ernst Wagner
- Department of Physics, Department of Chemistry and Pharmacy, and Center for NanoScience, Ludwig-Maximilians-Universität, 80539 Munich, Germany, Institute of Experimental Oncology, Technische Universität, 81675 Munich, Germany, and National Institutes of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20692
| | - Joachim O. Rädler
- Department of Physics, Department of Chemistry and Pharmacy, and Center for NanoScience, Ludwig-Maximilians-Universität, 80539 Munich, Germany, Institute of Experimental Oncology, Technische Universität, 81675 Munich, Germany, and National Institutes of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20692
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Ju YE, Janmey PA, McCormick M, Sawyer ES, Flanagan LA. Enhanced neurite growth from mammalian neurons in three-dimensional salmon fibrin gels. Biomaterials 2007; 28:2097-108. [PMID: 17258313 PMCID: PMC1991290 DOI: 10.1016/j.biomaterials.2007.01.008] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2006] [Accepted: 01/01/2007] [Indexed: 11/17/2022]
Abstract
Three-dimensional fibrin matrices have been used as cellular substrates in vitro and as bridging materials for central nervous system repair. Cells can be embedded within fibrin gels since the polymerization process is non-toxic, making fibrin an attractive scaffold for transplanted cells. Most studies have utilized fibrin prepared from human or bovine blood proteins. However, fish fibrin may be well suited for neuronal growth since fish undergo remarkable central nervous system regeneration and molecules implicated in this process are present in fibrin. We assessed the growth of mammalian central nervous system neurons in bovine, human, and salmon fibrin and found that salmon fibrin gels encouraged the greatest degree of neurite (dendrite and axon) growth and were the most resistant to degradation by cellular proteases. The neurite growth-promoting effect was not due to the thrombin used to polymerize the gels nor to any copurifying plasminogen. Copurified fibronectin partially accounted for the effect on neurites, and blockade of fibrinogen/fibrin-binding integrins markedly decreased neurite growth. Anion exchange chromatography revealed different elution profiles for salmon and mammalian fibrinogens. These data demonstrate that salmon fibrin encourages the growth of neurites from mammalian neurons and suggest that salmon fibrin may be a beneficial scaffold for neuronal regrowth after CNS injury.
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Affiliation(s)
- Yo-El Ju
- Division of Experimental Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115
| | - Paul A. Janmey
- Division of Experimental Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115
- Department of Physiology and Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104
| | - Margaret McCormick
- Department of Physiology and Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104
| | | | - Lisa A. Flanagan
- Division of Experimental Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115
- Department of Pathology, School of Medicine, University of California at Irvine, Irvine, CA 92697
- Address correspondence to: Lisa A. Flanagan, Ph.D., Department of Pathology, School of Medicine, University of California at Irvine, D440 Medical Sciences I, Irvine, CA 92697-4800, Tel: (949) 824-5786, Fax: (949) 824-2160,
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