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Ashcraft M, Garren M, Lautner-Csorba O, Pinon V, Wu Y, Crowley D, Hill J, Morales Y, Bartlett R, Brisbois EJ, Handa H. Surface Engineering for Endothelium-Mimicking Functions to Combat Infection and Thrombosis in Extracorporeal Life Support Technologies. Adv Healthc Mater 2024; 13:e2400492. [PMID: 38924661 DOI: 10.1002/adhm.202400492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 06/20/2024] [Indexed: 06/28/2024]
Abstract
Blood-contacting medical devices routinely fail from the cascading effects of biofouling toward infection and thrombosis. Nitric oxide (NO) is an integral part of endothelial homeostasis, maintaining platelet quiescence and facilitating oxidative/nitrosative stress against pathogens. Recently, it is shown that the surface evolution of NO can mediate cell-surface interactions. However, this technique alone cannot prevent the biofouling inherent in device failure with dynamic blood-contacting applications. This work proposes an endothelium-mimicking surface design pairing controlled NO release with an inherently antifouling polyethylene glycol interface (NO+PEG). This simple, robust, and scalable platform develops surface-localized NO availability with surface hydration, leading to a significant reduction in protein adsorption as well as bacteria/platelet adhesion. Further in vivo thrombogenicity studies show a decrease in thrombus formation on NO+PEG interfaces, with preservation of circulating platelet and white blood cell counts, maintenance of activated clotting time, and reduced coagulation cascade activation. It is anticipated that this bio-inspired surface design will enable a facile alternative to existing surface technologies to address clinical manifestations of infection and thrombosis in dynamic blood-contacting environments.
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Affiliation(s)
- Morgan Ashcraft
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia, 30602, USA
| | - Mark Garren
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia, 30602, USA
| | - Orsolya Lautner-Csorba
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, 48109, USA
| | - Vicente Pinon
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia, 30602, USA
| | - Yi Wu
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia, 30602, USA
| | - Dagney Crowley
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia, 30602, USA
| | - Joseph Hill
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, 48109, USA
| | - Yeniselis Morales
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, 48109, USA
| | - Robert Bartlett
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan, 48109, USA
| | - Elizabeth J Brisbois
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia, 30602, USA
| | - Hitesh Handa
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia, 30602, USA
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia, 30602, USA
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Pagliaro P, Weber NC, Femminò S, Alloatti G, Penna C. Gasotransmitters and noble gases in cardioprotection: unraveling molecular pathways for future therapeutic strategies. Basic Res Cardiol 2024; 119:509-544. [PMID: 38878210 PMCID: PMC11319428 DOI: 10.1007/s00395-024-01061-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 08/13/2024]
Abstract
Despite recent progress, ischemic heart disease poses a persistent global challenge, driving significant morbidity and mortality. The pursuit of therapeutic solutions has led to the emergence of strategies such as ischemic preconditioning, postconditioning, and remote conditioning to shield the heart from myocardial ischemia/reperfusion injury (MIRI). These ischemic conditioning approaches, applied before, after, or at a distance from the affected organ, inspire future therapeutic strategies, including pharmacological conditioning. Gasotransmitters, comprising nitric oxide, hydrogen sulfide, sulfur dioxide, and carbon monoxide, play pivotal roles in physiological and pathological processes, exhibiting shared features such as smooth muscle relaxation, antiapoptotic effects, and anti-inflammatory properties. Despite potential risks at high concentrations, physiological levels of gasotransmitters induce vasorelaxation and promote cardioprotective effects. Noble gases, notably argon, helium, and xenon, exhibit organ-protective properties by reducing cell death, minimizing infarct size, and enhancing functional recovery in post-ischemic organs. The protective role of noble gases appears to hinge on their modulation of molecular pathways governing cell survival, leading to both pro- and antiapoptotic effects. Among noble gases, helium and xenon emerge as particularly promising in the field of cardioprotection. This overview synthesizes our current understanding of the roles played by gasotransmitters and noble gases in the context of MIRI and cardioprotection. In addition, we underscore potential future developments involving the utilization of noble gases and gasotransmitter donor molecules in advancing cardioprotective strategies.
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Affiliation(s)
- Pasquale Pagliaro
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, 10043, Orbassano, TO), Italy.
- National Institute for Cardiovascular Research (INRC), 40126, Bologna, Italy.
| | - Nina C Weber
- Department of Anesthesiology, Laboratory of Experimental Intensive Care and Anesthesiology-L.E.I.C.A, Amsterdam University Medical Centers, Amsterdam Cardiovascular Science (ACS), Amsterdam, The Netherlands
| | - Saveria Femminò
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, 10043, Orbassano, TO), Italy
| | | | - Claudia Penna
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, 10043, Orbassano, TO), Italy
- National Institute for Cardiovascular Research (INRC), 40126, Bologna, Italy
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Witzdam L, White T, Rodriguez-Emmenegger C. Steps Toward Recapitulating Endothelium: A Perspective on the Next Generation of Hemocompatible Coatings. Macromol Biosci 2024:e2400152. [PMID: 39072925 DOI: 10.1002/mabi.202400152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 06/26/2024] [Indexed: 07/30/2024]
Abstract
Endothelium, the lining in this blood vessel, orchestrates three main critical functions such as protecting blood components, modulating of hemostasis by secreting various inhibitors, and directing clot digestion (fibrinolysis) by activating tissue plasminogen activator. No other surface can perform these tasks; thus, the contact of blood and blood-contacting medical devices inevitably leads to the activation of coagulation, often causing device failure, and thromboembolic complications. This perspective, first, discusses the biological mechanisms of activation of coagulation and highlights the efforts of advanced coatings to recapitulate one characteristic of endothelium, hereafter single functions of endothelium and noting necessity of the synergistic integration of its three main functions. Subsequently, it is emphasized that to overcome the challenges of blood compatibility an endothelium-mimicking system is needed, proposing a synergy of bottom-up synthetic biology, particularly synthetic cells, with passive- and bioactive surface coatings. Such integration holds promise for developing advanced biomaterials capable of recapitulating endothelial functions, thereby enhancing the hemocompatibility and performance of blood-contacting medical devices.
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Affiliation(s)
- Lena Witzdam
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Carrer de Baldiri Reixac, 10, 12, Barcelona, 08028, Spain
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
| | - Tom White
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Carrer de Baldiri Reixac, 10, 12, Barcelona, 08028, Spain
| | - Cesar Rodriguez-Emmenegger
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Carrer de Baldiri Reixac, 10, 12, Barcelona, 08028, Spain
- DWI - Leibniz Institute for Interactive Materials, Forckenbeckstraße 50, 52074, Aachen, Germany
- Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluís Companys 23, Barcelona, 08010, Spain
- Biomedical Research Networking, Center in Bioengineering, Biomaterials and Nanomedicine, The Institute of Health Carlos III, Madrid, 28029, Spain
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Gupta S, Puttaiahgowda YM, Deiglmayr L. Recent advances in the design and immobilization of heparin for biomedical application: A review. Int J Biol Macromol 2024; 264:130743. [PMID: 38462098 DOI: 10.1016/j.ijbiomac.2024.130743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/12/2024]
Abstract
Heparin, a member of the glycosaminoglycan family, is renowned as the most negatively charged biomolecule discovered within the realm of human biology. This polysaccharide serves a vital role as a regulator for various proteins, cells, and tissues within the human body, positioning itself as a pivotal macromolecule of significance. The domain of biology has witnessed substantial interest in the intricate design of heparin and its derivatives, particularly focusing on heparin-based polymers and hydrogels. This intrigue spans a wide spectrum of applications, encompassing diverse areas such as protein adsorption, anticoagulant properties, controlled drug release, development of implants, stent innovation, enhancement of blood compatibility, acceleration of wound healing, and pioneering strides in tissue engineering. This comprehensive overview delves into a multitude of developed heparin conjugates, employing various methods, and explores their functions in both the biomedicine and electronics fields. The efficacy of materials derived from heparin is also thoroughly investigated, encompassing considerations such as thrombogenicity, drug release kinetics, affinity for growth factors (GFs), biocompatibility, and electrochemical analyses. We firmly believe that by redirecting focus towards research and advancements in heparin-related polymers/hydrogels, this study will ignite further research and accelerate potential breakthroughs in this promising and evolving field of discovery.
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Affiliation(s)
- Sonali Gupta
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Yashoda Malgar Puttaiahgowda
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
| | - Lisa Deiglmayr
- Department of Chemistry, University of Munich (LMU), Butenandtstraβe 5-13, (D), 81377 Munich, Germany
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Bartlett R, Arachichilage DJ, Chitlur M, Hui SKR, Neunert C, Doyle A, Retter A, Hunt BJ, Lim HS, Saini A, Renné T, Kostousov V, Teruya J. The History of Extracorporeal Membrane Oxygenation and the Development of Extracorporeal Membrane Oxygenation Anticoagulation. Semin Thromb Hemost 2024; 50:81-90. [PMID: 36750217 DOI: 10.1055/s-0043-1761488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Extracorporeal membrane oxygenation (ECMO) was first started for humans in early 1970s by Robert Bartlett. Since its inception, there have been numerous challenges with extracorporeal circulation, such as coagulation and platelet activation, followed by consumption of coagulation factors and platelets, and biocompatibility of tubing, pump, and oxygenator. Unfractionated heparin (heparin hereafter) has historically been the defacto anticoagulant until recently. Also, coagulation monitoring was mainly based on bedside activated clotting time and activated partial thromboplastin time. In the past 50 years, the technology of ECMO has advanced tremendously, and thus, the survival rate has improved significantly. The indication for ECMO has also expanded. Among these are clinical conditions such as postcardiopulmonary bypass, sepsis, ECMO cardiopulmonary resuscitation, and even severe coronavirus disease 2019 (COVID-19). Not surprisingly, the number of ECMO cases has increased according to the Extracorporeal Life Support Organization Registry and prolonged ECMO support has become more prevalent. It is not uncommon for patients with COVID-19 to be on ECMO support for more than 1 year until recovery or lung transplant. With that being said, complications of bleeding, thrombosis, clot formation in the circuit, and intravascular hemolysis still remain and continue to be major challenges. Here, several clinical ECMO experts, including the "Father of ECMO"-Dr. Robert Bartlett, describe the history and advances of ECMO.
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Affiliation(s)
- Robert Bartlett
- Department of Surgery, University of Michigan, Ann Arbor, Michigan
| | - Deepa J Arachichilage
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College London, London, United Kingdom
- Department of Haematology, Imperial College, Healthcare NHS Trust, London, United Kingdom
| | - Meera Chitlur
- Division of Hematology/Oncology, Central Michigan University School of Medicine, Children's Hospital of Michigan, Michigan
| | - Shiu-Ki Rocky Hui
- Department of Pathology & Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, Texas
| | - Cindy Neunert
- Columbia University Irving Medical Center, New York, New York
| | | | | | | | - Hoong Sern Lim
- University Hospitals Birmingham NHS Foundation Trust, United Kingdom
| | - Arun Saini
- Department of Pathology & Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, Texas
| | - Thomas Renné
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
- Center for Thrombosis and Hemostasis (CTH), Johannes Gutenberg University Medical Center, Mainz, Germany
- Irish Centre for Vascular Biology, School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Vadim Kostousov
- Department of Pathology & Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, Texas
| | - Jun Teruya
- Department of Pathology & Immunology, Texas Children's Hospital and Baylor College of Medicine, Houston, Texas
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6
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Liu Y, Wang S, Quan C, Luan S, Shi H, Wang L. Metal-organic framework-based platforms for implantation applications: recent advances and challenges. J Mater Chem B 2024; 12:637-649. [PMID: 38165820 DOI: 10.1039/d3tb02620e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
The development of minimally invasive technology has promoted the widespread use of implant interventional materials, which play an important role in alleviating patients' pain during and after surgery. Metal-organic frameworks (MOFs) and their related hybrids formed by bridging ligands and metal nodes via covalent bonds represent one of the smart platforms in implant interventional fields due to their large surface area, adjustable compositions and structures, biodegradability, etc. Significant progresses in the implantation application of MOF-based materials have been achieved recently, but these studies are still in the initial stage. This review highlights the recent advances of MOFs and their related hybrids in orthopedic implantation, cardio-vascular implantation, neural tissue engineering, and biochemical sensing. Each correction between the structural features of MOFs and their corresponding implanted works is highlighted. Finally, the confronting challenges and future perspectives in the implant interventional field are discussed.
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Affiliation(s)
- Yifan Liu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Shuteng Wang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Chunhua Quan
- Central Laboratory, Affiliated Hospital of Yanbian University, Yanji, Jilin 133002, P. R. China.
| | - Shifang Luan
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Hengchong Shi
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Lei Wang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China.
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7
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Fallon BP, Lautner-Csorba O, Major TC, Lautner G, Harvey SL, Langley MW, Johnson MD, Saveski C, Matusko N, Rabah R, Rojas-Pena A, Meyerhoff ME, Bartlett RH, Mychaliska GB. Extracorporeal life support without systemic anticoagulation: a nitric oxide-based non-thrombogenic circuit for the artificial placenta in an ovine model. Pediatr Res 2024; 95:93-101. [PMID: 37087539 PMCID: PMC10600655 DOI: 10.1038/s41390-023-02605-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 01/26/2023] [Accepted: 03/20/2023] [Indexed: 04/24/2023]
Abstract
BACKGROUND Clinical translation of the extracorporeal artificial placenta (AP) is impeded by the high risk for intracranial hemorrhage in extremely premature newborns. The Nitric Oxide Surface Anticoagulation (NOSA) system is a novel non-thrombogenic extracorporeal circuit. This study aims to test the NOSA system in the AP without systemic anticoagulation. METHODS Ten extremely premature lambs were delivered and connected to the AP. For the NOSA group, the circuit was coated with DBHD-N2O2/argatroban, 100 ppm nitric oxide was blended into the sweep gas, and no systemic anticoagulation was given. For the Heparin control group, a non-coated circuit was used and systemic anticoagulation was administered. RESULTS Animals survived 6.8 ± 0.6 days with normal hemodynamics and gas exchange. Neither group had any hemorrhagic or thrombotic complications. ACT (194 ± 53 vs. 261 ± 86 s; p < 0.001) and aPTT (39 ± 7 vs. 69 ± 23 s; p < 0.001) were significantly lower in the NOSA group than the Heparin group. Platelet and leukocyte activation did not differ significantly from baseline in the NOSA group. Methemoglobin was 3.2 ± 1.1% in the NOSA group compared to 1.6 ± 0.6% in the Heparin group (p < 0.001). CONCLUSIONS The AP with the NOSA system successfully supported extremely premature lambs for 7 days without significant bleeding or thrombosis. IMPACT The Nitric Oxide Surface Anticoagulation (NOSA) system provides effective circuit-based anticoagulation in a fetal sheep model of the extracorporeal artificial placenta (AP) for 7 days. The NOSA system is the first non-thrombogenic circuit to consistently obviate the need for systemic anticoagulation in an extracorporeal circuit for up to 7 days. The NOSA system may allow the AP to be implemented clinically without systemic anticoagulation, thus greatly reducing the intracranial hemorrhage risk for extremely low gestational age newborns. The NOSA system could potentially be applied to any form of extracorporeal life support to reduce or avoid systemic anticoagulation.
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Affiliation(s)
- Brian P Fallon
- Department of Surgery, ECLS Laboratory, University of Michigan Medical School, Ann Arbor, MI, USA.
| | - Orsolya Lautner-Csorba
- Department of Surgery, ECLS Laboratory, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Terry C Major
- Department of Surgery, ECLS Laboratory, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Gergely Lautner
- Department of Surgery, ECLS Laboratory, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Stephen L Harvey
- Department of Surgery, ECLS Laboratory, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Mark W Langley
- Department of Surgery, ECLS Laboratory, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Matthew D Johnson
- Department of Surgery, ECLS Laboratory, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Claudia Saveski
- Department of Surgery, ECLS Laboratory, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Niki Matusko
- Department of Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Raja Rabah
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Alvaro Rojas-Pena
- Department of Surgery, ECLS Laboratory, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Surgery, Section of Transplantation, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Mark E Meyerhoff
- Department of Chemistry, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Robert H Bartlett
- Department of Surgery, ECLS Laboratory, University of Michigan Medical School, Ann Arbor, MI, USA
| | - George B Mychaliska
- Department of Surgery, Section of Pediatric Surgery, University of Michigan Medical School, Ann Arbor, MI, USA
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Sapkota A, Mondal A, Chug MK, Brisbois EJ. Biomimetic catheter surface with dual action NO-releasing and generating properties for enhanced antimicrobial efficacy. J Biomed Mater Res A 2023; 111:1627-1641. [PMID: 37209058 PMCID: PMC10524361 DOI: 10.1002/jbm.a.37560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 05/22/2023]
Abstract
Infection of indwelling catheters is a common healthcare problem, resulting in higher morbidity and mortality. The vulnerable population reliant on catheters post-surgery for food and fluid intake, blood transfusion, or urinary incontinence or retention is susceptible to hospital-acquired infection originating from the very catheter. Bacterial adhesion on catheters can take place during the insertion or over time when catheters are used for an extended period. Nitric oxide-releasing materials have shown promise in exhibiting antibacterial properties without the risk of antibacterial resistance which can be an issue with conventional antibiotics. In this study, 1, 5, and 10 wt % selenium (Se) and 10 wt % S-nitrosoglutathione (GSNO)-incorporated catheters were prepared through a layer-by-layer dip-coating method to demonstrate NO-releasing and NO-generating capability of the catheters. The presence of Se on the catheter interface resulted in a 5 times higher NO flux in 10% Se-GSNO catheter through catalytic NO generation. A physiological level of NO release was observed from 10% Se-GSNO catheters for 5 d, along with an enhanced NO generation via the catalytic activity as Se was able to increase NO availability. The catheters were also found to be compatible and stable when subjected to sterilization and storage, even at room temperature. Additionally, the catheters showed a 97.02% and 93.24% reduction in the adhesion of clinically relevant strains of Escherichia coli and Staphylococcus aureus, respectively. Cytocompatibility testing of the catheter with 3T3 mouse fibroblast cells supports the material's biocompatibility. These findings from the study establish the proposed catheter as a prospective antibacterial material that can be translated into a clinical setting to combat catheter-related infections.
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Affiliation(s)
- Aasma Sapkota
- School of Chemical, Materials & Biomedical Engineering, University of Georgia, Athens 30602, United States
| | - Arnab Mondal
- School of Chemical, Materials & Biomedical Engineering, University of Georgia, Athens 30602, United States
| | - Manjyot Kaur Chug
- School of Chemical, Materials & Biomedical Engineering, University of Georgia, Athens 30602, United States
| | - Elizabeth J. Brisbois
- School of Chemical, Materials & Biomedical Engineering, University of Georgia, Athens 30602, United States
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Chatterjee S, Chakraborty A, Banik J, Mahindru S, Sharma AK, Mukherjee M. SNAP@CQD as a promising therapeutic vehicle against HCoVs: an overview. Drug Discov Today 2023; 28:103601. [PMID: 37119964 PMCID: PMC10140467 DOI: 10.1016/j.drudis.2023.103601] [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: 12/19/2022] [Revised: 04/04/2023] [Accepted: 04/24/2023] [Indexed: 05/01/2023]
Abstract
This report discusses potential therapies for treating human coronaviruses (HCoVs) and their economic impact. Specifically, we explore therapeutics that can support the body's immune response, including immunoglobulin (Ig)A, IgG and T-cell responses, to inhibit the viral replication cycle and improve respiratory function. We hypothesize that carbon quantum dots conjugated with S-nitroso-N-acetylpenicillamine (SNAP) could be a synergistic alternative cure for treating respiratory injuries caused by HCoV infections. To achieve this, we propose developing aerosol sprays containing SNAP moieties that release nitric oxide and are conjugated onto promising nanostructured materials. These sprays could combat HCoVs by inhibiting viral replication and improving respiratory function. Furthermore, they could potentially provide other benefits, such as providing novel possibilities for nasal vaccines in the future. Teaser: Synergistic effect of carbon quantum dots and S-nitroso-N-acetylpenicillamine (SNAP) could be suggested as an alternative treatment for the respiratory damage caused by HCoV infections that further open possibilities of developing novel nasal vaccines.
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Affiliation(s)
- Satyaki Chatterjee
- Amity Institute of Click Chemistry Research and Studies (AICCRS), Amity University, Noida, U.P. - 201301, India
| | - Arnab Chakraborty
- Amity Institute of Click Chemistry Research and Studies (AICCRS), Amity University, Noida, U.P. - 201301, India
| | - Jyotiparna Banik
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, ON M5S 3E5, Canada
| | - Sanya Mahindru
- Amity Institute of Biotechnology, Amity University, Noida - 201303, India
| | - Arun K Sharma
- Department of Pharmacology, Amity Institute of Pharmacy, Amity University, Gurugram, Haryana - 122413, India
| | - Monalisa Mukherjee
- Amity Institute of Click Chemistry Research and Studies (AICCRS), Amity University, Noida, U.P. - 201301, India; Amity Institute of Biotechnology, Amity University, Noida - 201303, India.
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10
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Wick TV, Roberts TR, Batchinsky AI, Tuttle RR, Reynolds MM. Surface Modification of Oxygenator Fibers with a Catalytically Active Metal-Organic Framework to Generate Nitric Oxide: An Ex Vivo Pilot Study. ACS APPLIED BIO MATERIALS 2023; 6:1953-1959. [PMID: 37068205 DOI: 10.1021/acsabm.3c00154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
Abstract
Coating all portions of an extracorporeal membrane oxygenation (ECMO) circuit with materials exhibiting inherent, permanent antithrombotic properties is an essential step to prevent thrombus-induced complications. However, developing antithrombotic coatings for oxygenator fibers within membrane oxygenators of ECMO systems has proven challenging. We have used polydopamine (PDA) to coat oxygenator fibers and immobilize a Cu-based metal-organic framework (MOF) on the surface to act as a nitric oxide (NO) catalyst. Importantly, the PDA/MOF coating will produce NO indefinitely from endogenous S-nitrosothiols and it has not previously been applied to ECMO oxygenator fibers.
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Affiliation(s)
- Tracey V Wick
- Colorado State University, 301 W. Pitkin, Chemistry Research Building, Fort Collins, Colorado 80521, United States
| | - Teryn R Roberts
- Autonomous Reanimation and Evacuation Research Program, The Geneva Foundation, 2509 Kennedy Circle Building 125, 2nd Floor, San Antonio, Texas 78235, United States
| | - Andriy I Batchinsky
- Autonomous Reanimation and Evacuation Research Program, The Geneva Foundation, 2509 Kennedy Circle Building 125, 2nd Floor, San Antonio, Texas 78235, United States
| | - Robert R Tuttle
- Colorado State University, 301 W. Pitkin, Chemistry Research Building, Fort Collins, Colorado 80521, United States
| | - Melissa M Reynolds
- Colorado State University, 301 W. Pitkin, Chemistry Research Building, Fort Collins, Colorado 80521, United States
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Luo Z, Ng G, Zhou Y, Boyer C, Chandrawati R. Polymeric Amines Induce Nitric Oxide Release from S-Nitrosothiols. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2200502. [PMID: 35789202 DOI: 10.1002/smll.202200502] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 04/07/2022] [Indexed: 06/15/2023]
Abstract
Catalytic generation of nitric oxide (NO) from NO donors by nanomaterials has enabled prolonged NO delivery for various biomedical applications, but this approach requires laborious synthesis routes. In this study, a new class of materials, that is, polymeric amines including polyethyleneimine (PEI), poly-L-lysine, and poly(allylamine hydrochloride), is discovered to induce NO generation from S-nitrosothiols (RSNOs) at physiological conditions. Controlled NO generation can be readily achieved by tuning the concentration of the NO donors (RSNOs) and polymers, and the type and molecular weight of the polymers. Importantly, the mechanism of NO generation by these polymers is deciphered to be attributed to the nucleophilic reaction between primary amines on polymers and the SNO groups of RSNOs. The NO-releasing feature of the polymers can be integrated into a suite of materials, for example, simply by embedding PEI into poly(vinyl alcohol) (PVA) hydrogels. The functionality of the PVA/PEI hydrogels is demonstrated for Pseudomonas aeruginosa biofilm prevention with a ≈4 log reduction within 6 h. As NO has potential therapeutic implications in various diseases, the identification of polymeric amines to induce NO release will open new opportunities in NO-generating biomaterials for antibacterial, antiviral, anticancer, antithrombotic, and wound healing applications.
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Affiliation(s)
- Zijie Luo
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW, 2052, Australia
| | - Gervase Ng
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW, 2052, Australia
- Cluster for Advanced Macromolecular Design (CAMD), The University of New South Wales (UNSW Sydney), Sydney, NSW, 2052, Australia
| | - Yingzhu Zhou
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW, 2052, Australia
| | - Cyrille Boyer
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW, 2052, Australia
- Cluster for Advanced Macromolecular Design (CAMD), The University of New South Wales (UNSW Sydney), Sydney, NSW, 2052, Australia
| | - Rona Chandrawati
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW, 2052, Australia
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12
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Zhang Y, Liu W, Wang X, Liu Y, Wei H. Nanozyme-Enabled Treatment of Cardio- and Cerebrovascular Diseases. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2204809. [PMID: 36192166 DOI: 10.1002/smll.202204809] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/18/2022] [Indexed: 06/16/2023]
Abstract
Cardio- and cerebrovascular diseases are two major vascular-related diseases that lead to death worldwide. Reactive oxygen species (ROS) play a vital role in the occurrence and exacerbation of diseases. Excessive ROS induce cellular context damage and lead to tissue dysfunction. Nanozymes, as emerging enzyme mimics, offer a unique perspective for therapy through multifunctional activities, achieving essential results in the treatment of ROS-related cardio- and cerebrovascular diseases by directly scavenging excess ROS or regulating pathologically related molecules. This review first introduces nanozyme-enabled therapeutic mechanisms at the cellular level. Then, the therapies for several typical cardio- and cerebrovascular diseases with nanozymes are discussed, mainly including cardiovascular diseases, ischemia reperfusion injury, and neurological disorders. Finally, the challenges and outlooks for the application of nanozymes are also presented. This review will provide some instructive perspectives on nanozymes and promote the development of enzyme-mimicking strategies in cardio- and cerebrovascular disease therapy.
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Affiliation(s)
- Yihong Zhang
- College of Engineering and Applied Sciences, Nanjing National Laboratory of Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Nanjing University, Nanjing, Jiangsu, 210023, China
| | - Wanling Liu
- College of Engineering and Applied Sciences, Nanjing National Laboratory of Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Nanjing University, Nanjing, Jiangsu, 210023, China
| | - Xiaoyu Wang
- College of Engineering and Applied Sciences, Nanjing National Laboratory of Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Nanjing University, Nanjing, Jiangsu, 210023, China
- Department of Chemistry and Material Science, College of Science, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Yufeng Liu
- College of Engineering and Applied Sciences, Nanjing National Laboratory of Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Nanjing University, Nanjing, Jiangsu, 210023, China
| | - Hui Wei
- College of Engineering and Applied Sciences, Nanjing National Laboratory of Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, Nanjing University, Nanjing, Jiangsu, 210023, China
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, Jiangsu, 210023, China
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13
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Bölükbas DA, Tas S. Current and Future Engineering Strategies for ECMO Therapy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1413:313-326. [PMID: 37195538 DOI: 10.1007/978-3-031-26625-6_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Extracorporeal membrane oxygenation (ECMO) is a last resort therapy for patients with respiratory failure where the gas exchange capacity of the lung is compromised. Venous blood is pumped through an oxygenation unit outside of the body where oxygen diffusion into the blood takes place in parallel to carbon dioxide removal. ECMO is an expensive therapy which requires special expertise to perform. Since its inception, ECMO technologies have been evolving to improve its success and minimize the complications associated with it. These approaches aim for a more compatible circuit design capable of maximum gas exchange with minimal need for anticoagulants. This chapter summarizes the basic principles of ECMO therapy with the latest advancements and experimental strategies aiming for more efficient future designs.
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Affiliation(s)
- Deniz A Bölükbas
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
- Lund Stem Cell Center, Lund University, Lund, Sweden
- Department of Clinical Sciences, Lund University, Lund, Sweden
- Department of Cardiothoracic Surgery and Transplantation, Skåne University Hospital, Lund, Sweden
| | - Sinem Tas
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
- Lund Stem Cell Center, Lund University, Lund, Sweden
- Department of Clinical Sciences, Lund University, Lund, Sweden
- Department of Cardiothoracic Surgery and Transplantation, Skåne University Hospital, Lund, Sweden
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14
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Hosseinzadeh S, Shams F, Fattahi R, Nuoroozi G, rostami E, Shahghasempour L, Salehi-Nik N, Bohlouli M, Khojasteh A, Ghasemi N, Peiravi H. Surface Coating of Polyurethane Films with Gelatin, Aspirin and Heparin to Increase the Hemocompatibility of Artificial Vascular Grafts. Adv Pharm Bull 2023; 13:123-133. [PMID: 36721809 PMCID: PMC9871267 DOI: 10.34172/apb.2023.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 10/14/2021] [Accepted: 12/31/2021] [Indexed: 02/03/2023] Open
Abstract
Purpose: A hemocompatible substrate can offer a wonderful facility for nitric oxide (NO) production by vascular endothelial cells in reaction to the inflammation following injuries. NO inhibits platelet aggregation this is especially critical in small-diameter vessels. Methods: The substrate films were made of polyurethane (PU) in a casting process and after plasma treatments, their surface was chemically decorated with polyethylene glycol (PEG) 2000, gelatin, gelatin-aspirin, gelatin-heparin and gelatin-aspirin-heparin. The concentrations of these ingredients were optimized in order to achieve the biocompatible values and the resulting modifications were characterized by water contact angle and Fourier transform infra-red (FTIR) assays. The values of NO production and platelet adhesion were then examined. Results: The water contact angle of the modified surface was reduced to 26±4∘ and the newly developed hydrophilic chemical groups were confirmed by FTIR. The respective concentrations of 0.05 mg/ml and 100 mg/mL were found to be the IC50 values for aspirin and heparin. However, after the surface modification with aspirin, the bioactivity of the substrate increased in compared to the other experimental groups. In addition, there was a synergistic effect between these reagents for NO synthesis. While, heparin inhibited platelet adhesion more than aspirin. Conclusion: Because of the highly hydrophilic nature of heparin, this reagent was hydrolyzed faster than aspirin and therefore its influence on platelet aggregation and cell growth was greater. Taken together, the results give the biocompatible concentrations of both biomolecules that are required for endothelial cell proliferation, NO synthesis and platelet adhesion.
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Affiliation(s)
- Simzar Hosseinzadeh
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Corresponding Authors: Simzar Hosseinzadeh and Nasim Salehi-Nik, ,
| | - Forough Shams
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Roya Fattahi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ghader Nuoroozi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Elnaz rostami
- Department of Animal Sciences and Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - lida Shahghasempour
- Department of Microbiology, Karaj Branch, Islamic Azad University, Karaj, Iran
| | - Nasim Salehi-Nik
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Corresponding Authors: Simzar Hosseinzadeh and Nasim Salehi-Nik, ,
| | - Mahboubeh Bohlouli
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arash Khojasteh
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nazanin Ghasemi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Habibollah Peiravi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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15
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Wang J, Dai D, Xie H, Li D, Xiong G, Zhang C. Biological Effects, Applications and Design Strategies of Medical Polyurethanes Modified by Nanomaterials. Int J Nanomedicine 2022; 17:6791-6819. [PMID: 36600880 PMCID: PMC9807071 DOI: 10.2147/ijn.s393207] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 12/20/2022] [Indexed: 12/30/2022] Open
Abstract
Polyurethane (PU) has wide application and popularity as medical apparatus due to its unique structural properties relationship. However, there are still some problems with medical PUs, such as a lack of functionality, insufficient long-term implantation safety, undesired stability, etc. With the rapid development of nanotechnology, the nanomodification of medical PU provides new solutions to these clinical problems. The introduction of nanomaterials could optimize the biocompatibility, antibacterial effect, mechanical strength, and degradation of PUs via blending or surface modification, therefore expanding the application range of medical PUs. This review summarizes the current applications of nano-modified medical PUs in diverse fields. Furthermore, the underlying mechanisms in efficiency optimization are analyzed in terms of the enhanced biological and mechanical properties critical for medical use. We also conclude the preparation schemes and related parameters of nano-modified medical PUs, with discussions about the limitations and prospects. This review indicates the current status of nano-modified medical PUs and contributes to inspiring novel and appropriate designing of PUs for desired clinical requirements.
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Affiliation(s)
- Jianrong Wang
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China
| | - Danni Dai
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China
| | - Hanshu Xie
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China
| | - Dan Li
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China
| | - Gege Xiong
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China
| | - Chao Zhang
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, People’s Republic of China,Correspondence: Chao Zhang, Email
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16
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Miao C, Wang L, Shang Y, Du M, Yang J, Yuan J. Tannic Acid-Assisted Immobilization of Copper(II), Carboxybetaine, and Argatroban on Poly(ethylene terephthalate) Mats for Synergistic Improvement of Blood Compatibility and Endothelialization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:15683-15693. [PMID: 36480797 DOI: 10.1021/acs.langmuir.2c02508] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Due to thrombosis and intimal hyperplasia, small-diameter vascular grafts have poor long-term patency. A combination strategy based on nitric oxide (NO) and anticoagulants has the potential to address those issues. In this study, poly(ethylene terephthalate) (PET) mats were prepared by electrospinning and coated with tannic acid (TA)/copper ion complexes. The chelated copper ions endowed the mats with sustained NO generation by catalytic decomposition of endogenous S-nitrosothiol. Subsequently, zwitterionic carboxybetaine acrylate (CBA) and argatroban (AG) were immobilized on the mats. The introduced AG and CBA had synergistic effects on the improvement of blood compatibility, resulting in reduced platelet adhesion and prolonged blood clotting time. The biocomposite mats selectively promoted the proliferation and migration of human umbilical vein endothelial cells while inhibiting the proliferation and migration of human umbilical arterial smooth muscle cells under physiological conditions. In addition, the prepared mats exhibited antibacterial activity against Escherichia coli and Staphylococcus aureus. Collectively, the prepared mats hold great promise as artificial small-diameter vascular grafts.
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Affiliation(s)
- Cuie Miao
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Lijuan Wang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Yushuang Shang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Mingyu Du
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Jinyu Yang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Jiang Yuan
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
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17
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White CJ, Lehnert N, Meyerhoff ME. Electrochemical Generation of Nitric Oxide for Medical Applications. ELECTROCHEMICAL SCIENCE ADVANCES 2022; 2:e2100156. [PMID: 36386004 PMCID: PMC9642980 DOI: 10.1002/elsa.202100156] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 10/06/2021] [Indexed: 12/31/2022] Open
Abstract
Over the past 30 years, the significance of nitric oxide (NO) has become increasingly apparent in mammalian physiology. It is biosynthesized by three isoforms of nitric oxide synthases (NOS): neuronal (nNOS), endothelial (eNOS), and inducible (iNOS). Neuronal and eNOS both produce low levels of NO (nM) as a signaling agent and vasodilator, respectively. Inducible (iNOS) is present in activated macrophages at sites of infection to generate acutely toxic (μM) levels of NO as part of the mammalian immune defense mechanism. These discoveries have led to numerous animal and clinical studies to evaluate the potential therapeutic utility of NO in various medical operations/treatments, primarily using NO gas (via gas-cylinders) as the NO source. In this review, we focus specifically on recent advances in the electrochemical generation of NO (E-NOgen) as an alternative means to generate NO from cheap and inert sources, and the fabrication and testing of biomedical devices that utilize E-NOgen to controllably generate NO for medical applications.
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Affiliation(s)
- Corey J White
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, MI 48109-1055, USA
| | - Nicolai Lehnert
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, MI 48109-1055, USA
| | - Mark E Meyerhoff
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, MI 48109-1055, USA
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18
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Opoku‐Damoah Y, Zhang R, Ta HT, Xu ZP. Therapeutic gas-releasing nanomedicines with controlled release: Advances and perspectives. EXPLORATION (BEIJING, CHINA) 2022; 2:20210181. [PMID: 37325503 PMCID: PMC10190986 DOI: 10.1002/exp.20210181] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 04/15/2022] [Indexed: 06/16/2023]
Abstract
Nanoparticle-based drug delivery has become one of the most popular approaches for maximising drug therapeutic potentials. With the notable improvements, a greater challenge hinges on the formulation of gasotransmitters with unique challenges that are not met in liquid and solid active ingredients. Gas molecules upon release from formulations for therapeutic purposes have not really been discussed extensively. Herein, we take a critical look at four key gasotransmitters, that is, carbon monoxide (CO), nitric oxide (NO), hydrogen sulphide (H2S) and sulphur dioxide (SO2), their possible modification into prodrugs known as gas-releasing molecules (GRMs), and their release from GRMs. Different nanosystems and their mediatory roles for efficient shuttling, targeting and release of these therapeutic gases are also reviewed extensively. This review thoroughly looks at the diverse ways in which these GRM prodrugs in delivery nanosystems are designed to respond to intrinsic and extrinsic stimuli for sustained release. In this review, we seek to provide a succinct summary for the development of therapeutic gases into potent prodrugs that can be adapted in nanomedicine for potential clinical use.
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Affiliation(s)
- Yaw Opoku‐Damoah
- Australian Institute for Bioengineering and NanotechnologyThe University of QueenslandBrisbaneQueenslandAustralia
| | - Run Zhang
- Australian Institute for Bioengineering and NanotechnologyThe University of QueenslandBrisbaneQueenslandAustralia
| | - Hang T. Ta
- Australian Institute for Bioengineering and NanotechnologyThe University of QueenslandBrisbaneQueenslandAustralia
- School of Environment and ScienceGriffith UniversityBrisbaneQueenslandAustralia
- Queensland Micro and Nanotechnology CentreGriffith UniversityBrisbaneQueenslandAustralia
| | - Zhi Ping Xu
- Australian Institute for Bioengineering and NanotechnologyThe University of QueenslandBrisbaneQueenslandAustralia
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19
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Hemocompatibility challenge of membrane oxygenator for artificial lung technology. Acta Biomater 2022; 152:19-46. [PMID: 36089235 DOI: 10.1016/j.actbio.2022.09.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/25/2022] [Accepted: 09/04/2022] [Indexed: 11/24/2022]
Abstract
The artificial lung (AL) technology is one of the membrane-based artificial organs that partly augments lung functions, i.e. blood oxygenation and CO2 removal. It is generally employed as an extracorporeal membrane oxygenation (ECMO) device to treat acute and chronic lung-failure patients, and the recent outbreak of the COVID-19 pandemic has re-emphasized the importance of this technology. The principal component in AL is the polymeric membrane oxygenator that facilitates the O2/CO2 exchange with the blood. Despite the considerable improvement in anti-thrombogenic biomaterials in other applications (e.g., stents), AL research has not advanced at the same rate. This is partly because AL research requires interdisciplinary knowledge in biomaterials and membrane technology. Some of the promising biomaterials with reasonable hemocompatibility - such as emerging fluoropolymers of extremely low surface energy - must first be fabricated into membranes to exhibit effective gas exchange performance. As AL membranes must also demonstrate high hemocompatibility in tandem, it is essential to test the membranes using in-vitro hemocompatibility experiments before in-vivo test. Hence, it is vital to have a reliable in-vitro experimental protocol that can be reasonably correlated with the in-vivo results. However, current in-vitro AL studies are unsystematic to allow a consistent comparison with in-vivo results. More specifically, current literature on AL biomaterial in-vitro hemocompatibility data are not quantitatively comparable due to the use of unstandardized and unreliable protocols. Such a wide gap has been the main bottleneck in the improvement of AL research, preventing promising biomaterials from reaching clinical trials. This review summarizes the current state-of-the-art and status of AL technology from membrane researcher perspectives. Particularly, most of the reported in-vitro experiments to assess AL membrane hemocompatibility are compiled and critically compared to suggest the most reliable method suitable for AL biomaterial research. Also, a brief review of current approaches to improve AL hemocompatibility is summarized. STATEMENT OF SIGNIFICANCE: The importance of Artificial Lung (AL) technology has been re-emphasized in the time of the COVID-19 pandemic. The utmost bottleneck in the current AL technology is the poor hemocompatibility of the polymer membrane used for O2/CO2 gas exchange, limiting its use in the long-term. Unfortunately, most of the in-vitro AL experiments are unsystematic, irreproducible, and unreliable. There are no standardized in-vitro hemocompatibility characterization protocols for quantitative comparison between AL biomaterials. In this review, we tackled this bottleneck by compiling the scattered in-vitro data and suggesting the most suitable experimental protocol to obtain reliable and comparable hemocompatibility results. To the best of our knowledge, this is the first review paper focusing on the hemocompatibility challenge of AL technology.
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20
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Miao C, Du J, Dou J, Wang C, Wang L, Yuan J, Shen J, Yin M. Facile fabrication of copper-incorporating poly(ε-caprolactone)/keratin mats for tissue-engineered vascular grafts with the potential of catalytic nitric oxide generation. J Mater Chem B 2022; 10:6158-6170. [PMID: 35904091 DOI: 10.1039/d2tb01031c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tissue-engineered vascular grafts (TEVGs) provide a new alternative for vascular construction. Nitric oxide (NO) is capable of promoting vascular tissue regeneration and reducing restenosis caused by vascular implantation. Therefore, in situ production of NO by catalytic decomposition of the endogenous donor is a promising strategy to fabricate a TEVG. In this study, poly(ε-caprolactone) (PCL) was first electrospun with keratin (Ker) to afford PCL/Ker mats and then incorporated with Cu(II) ions through multiple interactions. This strategy is very simple, green, and facile. Particularly, the incorporated Cu(II) ions were partially reduced to Cu(I) ions due to the reducibility of keratin. The chelated copper ions were expected to catalyze the generation of NO from endogenous S-nitrosothiol (RSNO). As a result, PCL/Ker-Cu mats selectively accelerated the adhesion, migration, and growth of human umbilical vein endothelial cells (HUVECs), while inhibiting the proliferation of human umbilical artery smooth muscle cells (HUASMCs). Furthermore, these mats exhibited excellent blood compatibility and significant antibacterial activity. Vascular implantation in vivo indicated that the tubular mats could inhibit thrombus formation and retain patency for 3 months after implantation in the rabbit carotid artery. More importantly, vascular remodeling was observed during follow-up, including a complete endothelium and smooth muscle layer. Taken together, the PCL/Ker-Cu mats have great potential application in vascular tissue regeneration.
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Affiliation(s)
- Cuie Miao
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Jun Du
- Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, 1678 Dong Fang Road, Shanghai 200127, P. R. China.
| | - Jie Dou
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Chenshu Wang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Lijuan Wang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Jiang Yuan
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Jian Shen
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China. .,Jiangsu Engineering Research Center of Interfacial Chemistry, Nanjing University, Nanjing, 210023, P. R. China
| | - Meng Yin
- Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, 1678 Dong Fang Road, Shanghai 200127, P. R. China.
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21
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Melvin AC, Wick TV, Zang Y, Harea GT, Cancio LC, Reynolds MM, Batchinsky AI, Roberts TR. Development and Blood Compatibility of a Stable and Bioactive Metal-Organic Framework Composite Coating for Blood-Circulation Tubing. ACS Biomater Sci Eng 2022; 8:3438-3449. [PMID: 35776832 DOI: 10.1021/acsbiomaterials.2c00492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Medical devices that require substantial contact between blood and a foreign surface would be dramatically safer if constructed from materials that prevent clot formation and coagulation disturbance at the blood-biomaterial interface. Nitric oxide (NO), an endogenous inhibitor of platelet activation in the vascular endothelium, could provide anticoagulation at the blood-surface interface when applied to biomaterials. We investigated an application of a copper-based metal-organic framework, H3[(Cu4Cl)3(BTTri)8-(H2O)12]·72H2O where H3BTTri = 1,3,5-tris(1H-1,2,3-triazole-5-yl)benzene] (CuBTTri), which has been shown to be an effective catalyst to generate NO from S-nitrosothiols that are endogenously present in blood. A method was developed to apply a CuBTTri composite coating to Tygon medical tubing used for extracorporeal lung support devices. The stability and activity of the coating were evaluated during 72 h dynamic saline flow testing (1.5-2.5 L/min, n = 3) with scanning electron microscopy imaging and inductively coupled mass-spectroscopy analysis. Compatibility of the coating with whole blood was assessed with a panel of hemocompatibility tests during 6 h circulation of swine donor blood in an ex vivo circulation loop constructed with CuBTTri tubing or unmodified Tygon (1.5 L/min blood flow rate, n = 8/group). Thrombus deposition and catalytic activity of the CuBTTri tubing were assessed following blood exposure. The coating remained stable during 72 h saline flow experiments at clinically relevant flow rates. No adverse effects were observed relative to controls during blood compatibility testing, to include no significant changes in platelet count (p = 0.42), platelet activation indicated by P-selectin expression (p = 0.57), coagulation panel values, or methemoglobin fraction (p = 0.18) over the 6 h circulation period. CuBTTri within the coating generated NO following blood exposure in the presence of biologically relevant concentrations of an NO donor. CuBTTri composite coating was stable and blood compatible in this pilot study and requires further investigation of efficacy using in vivo models conducted with clinically relevant blood flow rates and study duration.
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Affiliation(s)
- Alyssa C Melvin
- Colorado State University, 301 West Pitkin Street, Fort Collins, Colorado 80523, United States
| | - Tracey V Wick
- Colorado State University, 301 West Pitkin Street, Fort Collins, Colorado 80523, United States
| | - Yanyi Zang
- Autonomous Reanimation and Evacuation Research Program, The Geneva Foundation, 2509 Kennedy Circle, San Antonio, Texas 78259, United States
| | - George T Harea
- Autonomous Reanimation and Evacuation Research Program, The Geneva Foundation, 2509 Kennedy Circle, San Antonio, Texas 78259, United States
| | - Leopoldo C Cancio
- US Army Institute of Surgical Research Burn Center, 3698 Chambers Road, Fort Sam Houston, Texas 78234, United States
| | - Melissa M Reynolds
- Colorado State University, 301 West Pitkin Street, Fort Collins, Colorado 80523, United States
| | - Andriy I Batchinsky
- Autonomous Reanimation and Evacuation Research Program, The Geneva Foundation, 2509 Kennedy Circle, San Antonio, Texas 78259, United States
| | - Teryn R Roberts
- Autonomous Reanimation and Evacuation Research Program, The Geneva Foundation, 2509 Kennedy Circle, San Antonio, Texas 78259, United States
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22
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Griffin L, Douglass M, Goudie M, Hopkins SP, Schmiedt C, Handa H. Improved Polymer Hemocompatibility for Blood-Contacting Applications via S-Nitrosoglutathione Impregnation. ACS APPLIED MATERIALS & INTERFACES 2022; 14:11116-11123. [PMID: 35225600 PMCID: PMC9793915 DOI: 10.1021/acsami.1c24557] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Blood-contacting medical devices (BCMDs) are inevitably challenged by thrombi formation, leading to occlusion of flow and device failure. Ideal BCMDs seek to mimic the intrinsic antithrombotic properties of the human vasculature to locally prevent thrombotic complications, negating the need for systemic anticoagulation. An emerging category of BCMD technology utilizes nitric oxide (NO) as a hemocompatible agent, as the vasculature's endothelial layer naturally releases NO to inhibit platelet activation and consumption. In this paper, we report for the first time the novel impregnation of S-nitrosoglutathione (GSNO) into polymeric poly(vinyl chloride) (PVC) tubing via an optimized solvent-swelling method. Material testing revealed an optimized GSNO-PVC material that had adequate GSNO loading to achieve NO flux values within the physiological endothelial NO flux range for a 4 h period. Through in vitro hemocompatibility testing, the optimized material was deemed nonhemolytic (hemolytic index <2%) and capable of reducing platelet activation, suggesting that the material is suitable for contact with whole blood. Furthermore, an in vivo 4 h extracorporeal circulation (ECC) rabbit thrombogenicity model confirmed the blood biocompatibility of the optimized GSNO-PVC. Platelet count remained near 100% for the novel GSNO-impregnated PVC loops (1 h, 91.08 ± 6.27%; 2 h, 95.68 ± 0.61%; 3 h, 97.56 ± 8.59%; 4 h, 95.11 ± 8.30%). In contrast, unmodified PVC ECC loops occluded shortly after the 2 h time point and viable platelet counts quickly diminished (1 h, 85.67 ± 12.62%; 2 h, 54.46 ± 10.53%; 3 h, n/a; 4 h, n/a). The blood clots for GSNO-PVC loops (190.73 ± 72.46 mg) compared to those of unmodified PVC loops (866.50 ± 197.98 mg) were significantly smaller (p < 0.01). The results presented in this paper recommend further investigation in long-term animal models and suggest that GSNO-PVC has the potential to serve as an alternative to systemic anticoagulation in BCMD applications.
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Affiliation(s)
- Lauren Griffin
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
| | - Megan Douglass
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
| | - Marcus Goudie
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
| | - Sean P Hopkins
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
| | - Chad Schmiedt
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, 220 Riverbend Road, Athens, Georgia 30602, United States
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23
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Huang M, Zhang J, Ke X, Gao S, Wu D, Chen J, Weng Y. Stearic acid modified nano CuMOFs used as a nitric oxide carrier for prolonged nitric oxide release. RSC Adv 2022; 12:2383-2390. [PMID: 35425263 PMCID: PMC8979339 DOI: 10.1039/d1ra08066k] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/09/2022] [Indexed: 11/21/2022] Open
Abstract
Nitric oxide (NO) shows high potential in the cardiovascular system with anticoagulant and antibacterial efficacy. Cu based metal organic frameworks with amino modification (CuMOFs) were found to have an extraordinary high NO loading, but at the expense of framework stability in ambient moisture. Nano CuMOFs was synthesized by hydrothermal method in this work, and treated with stearic acid (SA) creating a hydrophobic form. It was found that the structure of the particles was not affected after treatment with SA, and the treated CuMOFs had tunable hydrophobicity. Both CuMOFs and SA modified CuMOFs adsorbed NO with the reaction of the amino group and NO to form a NONOate. SA modification enhanced stability of the CuMOFs in phosphate buffer solution (PBS, pH = 7.4), slowed down the interaction between the NO loading unit and H2O, and thus NO releasing was prolonged. The resulting NO-loaded CuMOFs inhibited platelet activation dramatically, prolonged the coagulation time and displayed excellent antibacterial properties. They could be envisioned as a good candidate for application in blood contacting implants. Nitric oxide (NO) shows high potential in the cardiovascular system with anticoagulant and antibacterial efficacy.![]()
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Affiliation(s)
- Maotao Huang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University Chengdu PR China
| | - Jianwen Zhang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University Chengdu PR China
| | - Xianlan Ke
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University Chengdu PR China
| | - Shuai Gao
- Chengdu Daxan Innovative Medical Tech. Co., Ltd Chengdu PR China
| | - Dimeng Wu
- Chengdu Daxan Innovative Medical Tech. Co., Ltd Chengdu PR China
| | - Junying Chen
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University Chengdu PR China
| | - Yajun Weng
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University Chengdu PR China
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24
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Zhang M, Pauls JP, Bartnikowski N, Haymet AB, Chan CHH, Suen JY, Schneider B, Ki KK, Whittaker AK, Dargusch MS, Fraser JF. Anti-thrombogenic Surface Coatings for Extracorporeal Membrane Oxygenation: A Narrative Review. ACS Biomater Sci Eng 2021; 7:4402-4419. [PMID: 34436868 DOI: 10.1021/acsbiomaterials.1c00758] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Extracorporeal membrane oxygenation (ECMO) is used in critical care to manage patients with severe respiratory and cardiac failure. ECMO brings blood from a critically ill patient into contact with a non-endothelialized circuit which can cause clotting and bleeding simultaneously in this population. Continuous systemic anticoagulation is needed during ECMO. The membrane oxygenator, which is a critical component of the extracorporeal circuit, is prone to significant thrombus formation due to its large surface area and areas of low, turbulent, and stagnant flow. Various surface coatings, including but not limited to heparin, albumin, poly(ethylene glycol), phosphorylcholine, and poly(2-methoxyethyl acrylate), have been developed to reduce thrombus formation during ECMO. The present work provides an up-to-date overview of anti-thrombogenic surface coatings for ECMO, including both commercial coatings and those under development. The focus is placed on the coatings being developed for oxygenators. Overall, zwitterionic polymer coatings, nitric oxide (NO)-releasing coatings, and lubricant-infused coatings have attracted more attention than other coatings and showed some improvement in in vitro and in vivo anti-thrombogenic effects. However, most studies lacked standard hemocompatibility assessment and comparison studies with current clinically used coatings, either heparin coatings or nonheparin coatings. Moreover, this review identifies that further investigation on the thrombo-resistance, stability and durability of coatings under rated flow conditions and the effects of coatings on the function of oxygenators (pressure drop and gas transfer) are needed. Therefore, extensive further development is required before these new coatings can be used in the clinic.
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Affiliation(s)
- Meili Zhang
- Innovative Cardiovascular Engineering and Technology Laboratory, Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia.,School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, Queensland 4072,Australia
| | - Jo P Pauls
- Innovative Cardiovascular Engineering and Technology Laboratory, Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia.,School of Engineering and Built Environment, Griffith University, Southport, Queensland 4222, Australia
| | - Nicole Bartnikowski
- Innovative Cardiovascular Engineering and Technology Laboratory, Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia.,School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, Queensland 4000, Australia
| | - Andrew B Haymet
- Innovative Cardiovascular Engineering and Technology Laboratory, Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia
| | - Chris H H Chan
- Innovative Cardiovascular Engineering and Technology Laboratory, Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia.,School of Engineering and Built Environment, Griffith University, Southport, Queensland 4222, Australia
| | - Jacky Y Suen
- Scientific and Translational Research Laboratory, Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia.,Faculty of Medicine, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Bailey Schneider
- Scientific and Translational Research Laboratory, Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia
| | - Katrina K Ki
- Scientific and Translational Research Laboratory, Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia
| | - Andrew K Whittaker
- Australian Institute for Bioengineering and Nanotechnology and ARC Center of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Matthew S Dargusch
- School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, Queensland 4072,Australia
| | - John F Fraser
- Innovative Cardiovascular Engineering and Technology Laboratory, Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia.,Scientific and Translational Research Laboratory, Critical Care Research Group, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia.,Faculty of Medicine, The University of Queensland, Brisbane, Queensland 4072, Australia.,School of Medicine, Griffith University, Southport, Queensland 4222, Australia
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25
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Bellomo TR, Jeakle MA, Meyerhoff ME, Bartlett RH, Major TC. The Effects of the Combined Argatroban/Nitric Oxide-Releasing Polymer on Platelet Microparticle-Induced Thrombogenicity in Coated Extracorporeal Circuits. ASAIO J 2021; 67:573-582. [PMID: 33902103 PMCID: PMC8083987 DOI: 10.1097/mat.0000000000001256] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Clotting, anticoagulation, platelet consumption, and poor platelet function are major factors in clinical extracorporeal circulation (ECC). We have shown that nitric oxide-releasing (NOReL) coatings prevent thrombosis in a rabbit model of ECC without systemic anticoagulation. Nitric oxide-releasing prevents platelet adhesion and activation, resulting in preserved platelet count and function. Previous work has shown that activated platelets form platelet-derived microparticles (PMPs). These experiments were designed to determine if PMPs can identify platelet function during ECC. The objective of this study is to investigate the effects of NOReL on platelet activation and PMP formation during ECC. Uncoated ECCs, including with and without systemic heparin, and NOReL-coated ECCs, including DBHD/N2O2 and argatroban (AG)/DBHD/N2O2-coated ECCs without systemic heparin, were tested in a 4-hour rabbit thrombogenicity model. Before and after ECC exposure, platelets were stimulated with collagen, and PMPs were measured using flow cytometry. The uncoated ECCs clotted within the first hour, while the NOReL-coated ECCs circulated for 4 hours. During pre-ECC blood exposure, platelets stimulated with collagen produced PMPs. With post-ECC exposure, platelets from uncoated circuits generated less PMPs than baseline (mean ± SDs: 23246 ± 3611 baseline vs. 1300 ± 523 uncoated post circuit, p = 0.018) when stimulated with collagen. However, platelets from the AG/DBHD/N2O2-coated ECCs generated a greater number of PMPs as baseline values (23246 ± 3611 baseline vs. 37040 ± 3263 AG/DBHD/N2O2 post 4 hours circuit, p = 0.023). Blood exposure during ECC results in platelet activation and clotting in uncoated ECCs. The remaining circulating platelets have lost function, as demonstrated by the low PMP formation in response to collagen. AG/DBHD/N2O2-coated ECCs prevented significant platelet activation and clotting, while DBHD/N2O2 trended towards prevention of platelet activation. In addition, function of the circulating platelets was preserved, as demonstrated by PMP formation in response to collagen. These results indicate that PMPs may be an important measure of platelet activation during ECC. Platelet-derived microparticles may provide a simplified way to measure platelet function during clinical ECC.
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Affiliation(s)
- Tiffany R Bellomo
- From the Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan
| | - Mark A Jeakle
- From the Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan
| | - Mark E Meyerhoff
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan
| | - Robert H Bartlett
- From the Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan
| | - Terry C Major
- From the Department of Surgery, University of Michigan Medical Center, Ann Arbor, Michigan
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26
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Ashcraft M, Douglass M, Chen Y, Handa H. Combination strategies for antithrombotic biomaterials: an emerging trend towards hemocompatibility. Biomater Sci 2021; 9:2413-2423. [PMID: 33599226 PMCID: PMC8035307 DOI: 10.1039/d0bm02154g] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Surface-induced thrombosis is a frequent, critical issue for blood-contacting medical devices that poses a serious threat to patient safety and device functionality. Antithrombotic material design strategies including the immobilization of anticoagulants, alterations in surface chemistries and morphology, and the release of antithrombotic compounds have made great strides in the field with the ultimate goal of circumventing the need for systemic anticoagulation, but have yet to achieve the same hemocompatibility as the native endothelium. Given that the endothelium achieves this state through the use of many mechanisms of action, there is a rising trend in combining these established design strategies for improved antithrombotic actions. Here, we describe this emerging paradigm, highlighting the apparent advantages of multiple antithrombotic mechanisms of action and discussing the demonstrated potential of this new direction.
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Affiliation(s)
- Morgan Ashcraft
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, USA.
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27
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Wang B, Hua J, You R, Yan K, Ma L. Electrochemically deposition of catechol-chitosan hydrogel coating on coronary stent with robust copper ions immobilization capability and improved interfacial biological activity. Int J Biol Macromol 2021; 181:435-443. [PMID: 33781813 DOI: 10.1016/j.ijbiomac.2021.03.158] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/21/2021] [Accepted: 03/24/2021] [Indexed: 12/22/2022]
Abstract
Establishing a facile and versatile strategy to confer coronary stent with improved interfacial biological activity is crucial for novel cardiovascular implants. Developing a coating with NO release ability catalyzed by metal ions, such as copper, will be highly advantageous for the functionalized surface modification of metal stents. However, most available strategies involve drawbacks of low efficiency, complex processes, and toxic chemicals. Therefore, in this study, we report a green and facile electrobiofabrication method to construct the bioactive hydrogel coating by combining chitosan, catechol groups and copper ions on coronary stent and titanium surfaces. Experimental results demonstrated that the chitosan hydrogel coating can be precisely controlled synthesis via electrochemical deposition and serves as a versatile platform for copper ions immobilization. Additionally, mussel-inspired catechol groups could be chemically grafted on chitosan chains to further enhance the film mechanical properties and binding abilities of copper ions. Moreover, in vitro cell biocompatibility and catalyzed NO-generation activity have also been accessed and which suggesting great possibilities for biomedical applications. Therefore, by coupling the electrobiofabrication approach and multi-functionalities of the hybrid film, this report would advance the development of biomimetic hydrogel coating for vascular engineering (e.g., coronary stent) and other biomedical devices.
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Affiliation(s)
- Beilei Wang
- Cheeloo College of Medicine, Shandong University, 250012, China; Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230036, China
| | - Jinsheng Hua
- Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230036, China
| | - Renchuan You
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China
| | - Kun Yan
- State Key Laboratory for Hubei New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430200, China.
| | - Likun Ma
- Cheeloo College of Medicine, Shandong University, 250012, China; Department of Cardiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230036, China.
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28
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Garren MR, Ashcraft M, Qian Y, Douglass M, Brisbois EJ, Handa H. Nitric oxide and viral infection: Recent developments in antiviral therapies and platforms. APPLIED MATERIALS TODAY 2021; 22:100887. [PMID: 38620577 PMCID: PMC7718584 DOI: 10.1016/j.apmt.2020.100887] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 11/11/2020] [Accepted: 11/14/2020] [Indexed: 05/09/2023]
Abstract
Nitric oxide (NO) is a gasotransmitter of great significance to developing the innate immune response to many bacterial and viral infections, while also modulating vascular physiology. The generation of NO from the upregulation of endogenous nitric oxide synthases serves as an efficacious method for inhibiting viral replication in host defense and warrants investigation for the development of antiviral therapeutics. With increased incidence of global pandemics concerning several respiratory-based viral infections, it is necessary to develop broad therapeutic platforms for inhibiting viral replication and enabling more efficient host clearance, as well as to fabricate new materials for deterring viral transmission from medical devices. Recent developments in creating stabilized NO donor compounds and their incorporation into macromolecular scaffolds and polymeric substrates has created a new paradigm for developing NO-based therapeutics for long-term NO release in applications for bactericidal and blood-contacting surfaces. Despite this abundance of research, there has been little consideration of NO-releasing scaffolds and substrates for reducing passive transmission of viral infections or for treating several respiratory viral infections. The aim of this review is to highlight the recent advances in developing gaseous NO, NO prodrugs, and NO donor compounds for antiviral therapies; discuss the limitations of NO as an antiviral agent; and outline future prospects for guiding materials design of a next generation of NO-releasing antiviral platforms.
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Key Words
- ACE, angiotensin converting enzyme
- AP1, activator protein 1
- COVID-19
- COVID-19, coronavirus disease 2019
- ECMO, extracorporeal membrane oxygenation, FDA, United States Food and Drug Administration
- GNSO, S-nitrosoglutathione
- H1N1, influenza A virus subtype H1N1
- HI, Host Immunology
- HIV, human immunodeficiency virus
- HPV, human papillomavirus
- HSV, herpes simplex virus
- I/R, pulmonary ischemia-reperfusion
- IC50, inhibitory concentration 50
- IFN, interferon
- IFNγ, interferon gamma
- IKK, inhibitor of nuclear factor kappa B kinase
- IRF-1, interferon regulatory factor 1
- Inhalation therapy
- Medical Terminology: ARDS, acute respiratory distress syndrome
- NF-κB, nuclear factor kappa-light-chain enhancer of activated B cells
- NO, nitric oxide
- NOS, nitric oxide synthase
- Nitric Oxide and Related Compounds: eNOS/NOS 3, endothelial nitric oxide synthase
- Nitric oxide
- Other: DNA, deoxyribonucleic acid
- P38-MAPK, P38 mitogen-activated protein kinases
- PAMP, pathogen-associated molecular pattern
- PCV2, porcine circovirus type 2
- PHT, pulmonary hypertension
- PKR, protein kinase R
- RNA, ribonucleic acid
- RNI, reactive nitrogen intermediate
- RSNO, S-nitrosothiol
- SARS, severe acute respiratory syndrome
- SARS-CoV-2, severe acute respiratory syndrome coronavirus 2
- SNAP, S-nitroso-N-acetyl-penicillamine
- STAT-1, signal transducer and activator of transcription 1
- Severe acute respiratory distress
- TAK1, transforming growth factor β-activated kinases-1
- TLR, toll-like receptor
- VAP, ventilator associated pneumonia
- Viral infection
- Viruses: CVB3, coxsackievirus
- dsRNA, double stranded (viral) ribonucleic acid
- gNO, gaseous nitric oxide
- iNOS/NOS 2, inducible nitric oxide synthase
- mtALDH, mitochondrial aldehyde dehydrogenase
- nNOS/NOS 1, neuronal nitric oxide synthase
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Affiliation(s)
- Mark R Garren
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Morgan Ashcraft
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, GA, USA
| | - Yun Qian
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Megan Douglass
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Elizabeth J Brisbois
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Hitesh Handa
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
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29
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Roberts TR, Garren M, Handa H, Batchinsky AI. Toward an artificial endothelium: Development of blood-compatible surfaces for extracorporeal life support. J Trauma Acute Care Surg 2020; 89:S59-S68. [PMID: 32251267 PMCID: PMC7398848 DOI: 10.1097/ta.0000000000002700] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A new generation of extracorporeal artificial organ support technologies, collectively known as extracorporeal life support (ECLS) devices, is being developed for diverse applications to include acute support for trauma-induced organ failure, transitional support for bridge to organ transplant, and terminal support for chronic diseases. Across applications, one significant complication limits the use of these life-saving devices: thrombosis, bleeding, and inflammation caused by foreign surface-induced blood interactions. To address this challenge, transdisciplinary scientists and clinicians look to the vascular endothelium as inspiration for development of new biocompatible materials for ECLS. Here, we describe clinically approved and new investigational biomaterial solutions for thrombosis, such as immobilized heparin, nitric oxide-functionalized polymers, "slippery" nonadhesive coatings, and surface endothelialization. We describe how hemocompatible materials could abrogate the use of anticoagulant drugs during ECLS and by doing so radically change treatments in critical care. Additionally, we examine several special considerations for the design of biomaterials for ECLS, including: (1) preserving function of the artificial organ, (2) longevity of use, and (3) multifaceted approaches for the diversity of device functions and applications.
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Affiliation(s)
- Teryn R. Roberts
- Autonomous Reanimation and Evacuation Program, San Antonio, TX, USA
- The Geneva Foundation, Tacoma, WA, USA
- U.S. Army Institute of Surgical Research, Fort Sam Houston, TX, USA
| | - Mark Garren
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Andriy I. Batchinsky
- Autonomous Reanimation and Evacuation Program, San Antonio, TX, USA
- The Geneva Foundation, Tacoma, WA, USA
- U.S. Army Institute of Surgical Research, Fort Sam Houston, TX, USA
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30
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Yang T, Zelikin AN, Chandrawati R. Enzyme Mimics for the Catalytic Generation of Nitric Oxide from Endogenous Prodrugs. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1907635. [PMID: 32372556 DOI: 10.1002/smll.201907635] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 02/19/2020] [Indexed: 06/11/2023]
Abstract
The highly diverse biological roles of nitric oxide (NO) in both physiological and pathophysiological processes have prompted great interest in the use of NO as a therapeutic agent in various biomedical applications. NO can exert either protective or deleterious effects depending on its concentration and the location where it is delivered or generated. This double-edged attribute, together with the short half-life of NO in biological systems, poses a major challenge to the realization of the full therapeutic potential of this molecule. Controlled release strategies show an admirable degree of precision with regard to the spatiotemporal dosing of NO but are disadvantaged by the finite NO deliverable payload. In turn, enzyme-prodrug therapy techniques afford enhanced deliverable payload but are troubled by the inherent low stability of natural enzymes, as well as the requirement to control pharmacokinetics for the exogenous prodrugs. The past decade has seen the advent of a new paradigm in controlled delivery of NO, namely localized bioconversion of the endogenous prodrugs of NO, specifically by enzyme mimics. These early developments are presented, successes of this strategy are highlighted, and possible future work on this avenue of research is critically discussed.
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Affiliation(s)
- Tao Yang
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW, 2052, Australia
| | - Alexander N Zelikin
- Department of Chemistry and iNANO Interdisciplinary Nanoscience Center, Aarhus University, Aarhus, C 8000, Denmark
| | - Rona Chandrawati
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW, 2052, Australia
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31
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Sefton MV, Gorbet MB. Nonthrombogenic Treatments and Strategies. Biomater Sci 2020. [DOI: 10.1016/b978-0-12-816137-1.00035-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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32
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Kulyk K, Azizova L, Cunningham JM, Mikhalovska L, Borysenko M, Mikhalovsky S. Nanosized copper(ii) oxide/silica for catalytic generation of nitric oxide from S-nitrosothiols. J Mater Chem B 2020; 8:4267-4277. [DOI: 10.1039/d0tb00137f] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The findings of this study suggest that copper(ii) oxide–silica nanoparticles produce NO from the GSNO species at physiological conditions in situ and could be used for designing biomedical materials with NO generating activity.
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Affiliation(s)
| | - Liana Azizova
- Chuiko Institute of Surface Chemistry
- 03164 Kyiv
- Ukraine
- University of Brighton
- School of Pharmacy and Biomolecular Sciences
| | - James M. Cunningham
- University of Brighton
- School of Pharmacy and Biomolecular Sciences
- Brighton
- UK
| | - Lyuba Mikhalovska
- University of Brighton
- School of Pharmacy and Biomolecular Sciences
- Brighton
- UK
| | | | - Sergey Mikhalovsky
- Chuiko Institute of Surface Chemistry
- 03164 Kyiv
- Ukraine
- ANAMAD Ltd
- Sussex Innovation Centre
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Mondal A, Douglass M, Hopkins SP, Singha P, Tran M, Handa H, Brisbois EJ. Multifunctional S-Nitroso- N-acetylpenicillamine-Incorporated Medical-Grade Polymer with Selenium Interface for Biomedical Applications. ACS APPLIED MATERIALS & INTERFACES 2019; 11:34652-34662. [PMID: 31483604 PMCID: PMC8007129 DOI: 10.1021/acsami.9b10610] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Modern crises in implantable or indwelling blood-contacting medical devices are mainly due to the dual problems of infection and thrombogenicity. There is a paucity of biomaterials that can address both problems simultaneously through a singular platform. Taking cues from the body's own defense mechanism against infection and blood clotting (thrombosis) via the endogenous gasotransmitter nitric oxide (NO), both of these issues are addressed through the development of a layered S-nitroso-N-acetylpenicillamine (SNAP)-doped polymer with a blended selenium (Se)-polymer interface. The unique capability of the SNAP-Se-1 polymer composites to explicitly release NO from the SNAP reservoir as well as generate NO via the incorporated Se is reported for the first time. The NO release from the SNAP-doped polymer increased substantially in the presence of the Se interface. The Se interface was able to generate NO in the presence of S-nitrosoglutathione (GSNO) and glutathione (GSH), demonstrating the capability of generating NO from endogenous S-nitrosothiols (RSNO). Scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) traced distribution of elemental Se nanoparticles on the interface and the surface properties were evaluated by surface wettability and roughness. The SNAP-Se-1 efficiently inhibited the growth of bacteria and reduced platelet adhesion while showing minimal cytotoxicity, thus potentially eliminating the risks of systemic antibiotic and blood coagulation therapy. The SNAP-Se-1 exhibited antibacterial activity of ∼2.39 and ∼2.25 log reductions in the growth of clinically challenging adhered Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli. SNAP-Se-1 also significantly reduced platelet adhesion by 85.5% compared to corresponding controls. A WST-8-based cell viability test performed on NIH 3T3 mouse fibroblast cells provided supporting evidence for the potential biocompatibility of the material in vitro. These results highlight the prospective utility of SNAP-Se-1 as a blood-contacting infection-resistant biomaterial in vitro which can be further tuned by application specificity.
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Affiliation(s)
- Arnab Mondal
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
| | - Megan Douglass
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
| | - Sean P Hopkins
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
| | - Priyadarshini Singha
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
| | - Martin Tran
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, College of Engineering , University of Georgia , Athens , Georgia 30602 , United States
- Corresponding Authors: Dr. Hitesh Handa, Assistant Professor, University of Georgia, 220 Riverbend Road, Athens, GA 30602, Telephone: (706) 542-8109, ; Dr. Elizabeth Brisbois, Assistant Professor, University of Central Florida, 12760 Pegasus Drive, Orlando, FL 32816, Telephone: (407) 266-7169,
| | - Elizabeth J Brisbois
- Department of Materials Science & Engineering, College of Engineering & Computer Science , University of Central Florida , Orlando , Florida 32816 , United States
- Corresponding Authors: Dr. Hitesh Handa, Assistant Professor, University of Georgia, 220 Riverbend Road, Athens, GA 30602, Telephone: (706) 542-8109, ; Dr. Elizabeth Brisbois, Assistant Professor, University of Central Florida, 12760 Pegasus Drive, Orlando, FL 32816, Telephone: (407) 266-7169,
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Hante NK, Medina C, Santos-Martinez MJ. Effect on Platelet Function of Metal-Based Nanoparticles Developed for Medical Applications. Front Cardiovasc Med 2019; 6:139. [PMID: 31620449 PMCID: PMC6759469 DOI: 10.3389/fcvm.2019.00139] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 09/03/2019] [Indexed: 12/12/2022] Open
Abstract
Nanomaterials have been recently introduced as potential diagnostic and therapeutic tools in the medical field. One of the main concerns in relation to the use of nanomaterials in humans is their potential toxicity profile and blood compatibility. In fact, and due to their small size, NPs can translocate into the systemic circulation even after dermal contact, inhalation, or oral ingestion. Once in the blood stream, nanoparticles become in contact with the different components of the blood and can potentially interfere with normal platelet function leading to bleeding or thrombosis. Metallic NPs have been already used for diagnosis and treatment purposes due to their unique characteristics. However, the potential interactions between metallic NPs and platelets has not been widely studied and reported. This review focuses on the factors that can affect platelet activation and aggregation by metal NPs and the nature of such interactions, providing a summary of the effect of various metal NPs on platelet function available in the literature.
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Affiliation(s)
- Nadhim Kamil Hante
- The School of Pharmacy and Pharmaceutical Sciences, Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, Dublin, Ireland
- College of Pharmacy, University of Kufa, Najaf, Iraq
| | - Carlos Medina
- The School of Pharmacy and Pharmaceutical Sciences, Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, Dublin, Ireland
| | - Maria Jose Santos-Martinez
- The School of Pharmacy and Pharmaceutical Sciences, Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, Dublin, Ireland
- School of Medicine, Trinity College Dublin, The University of Dublin, Dublin, Ireland
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Feit CG, Chug MK, Brisbois EJ. Development of S-Nitroso-N-Acetylpenicillamine Impregnated Medical Grade Polyvinyl Chloride for Antimicrobial Medical Device Interfaces. ACS APPLIED BIO MATERIALS 2019; 2:4335-4345. [DOI: 10.1021/acsabm.9b00593] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Corbin G. Feit
- Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32816, United States
| | - Manjyot Kaur Chug
- Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32816, United States
| | - Elizabeth J. Brisbois
- Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32816, United States
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S-Nitrosoglutathione exhibits greater stability than S-nitroso-N-acetylpenicillamine under common laboratory conditions: A comparative stability study. Nitric Oxide 2019; 92:18-25. [PMID: 31398487 DOI: 10.1016/j.niox.2019.08.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 05/20/2019] [Accepted: 08/06/2019] [Indexed: 12/16/2022]
Abstract
S-Nitrosothiols (RSNOs) such as S-nitrosoglutathione (GSNO) and S-nitroso-N-acetylpenicillamine (SNAP) are susceptible to decomposition by stimuli including heat, light, and trace metal ions. Using stepwise isothermal thermogravimetric analysis (TGA), we observed that NO-forming homolytic cleavage of the S-N bond occurs at 134.7 ± 0.8 °C in GSNO and 132.8 ± 0.9 °C in SNAP, contrasting with the value of 150 °C that has been previously reported for both RSNOs. Using mass spectrometry (MS), nuclear magnetic resonance (NMR), and attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR), we analyzed the decomposition products from TGA experiments. The organic product of GSNO decomposition was glutathione disulfide, while SNAP decomposed to form N-acetylpenicillamine disulfide as well as other products, including tri- and tetrasulfides. In addition, we assessed the relative solution stabilities of GSNO and SNAP under common laboratory conditions, which include variable temperature, pH, and light exposure with rigorous exclusion of trace metal ions by chelation. GSNO exhibited greater stability than SNAP over a 7-day period except in one instance. Both RSNOs demonstrated an inverse relationship between solution stability and temperature, with refrigeration considerably extending shelf life. A decrease in pH from 7.4 to 5.0 also enhanced the stability of both RSNOs. A further decrease in pH from 5.0 to 3.0 resulted in decreased stability for both RSNOs, and is notably the only occasion in which SNAP proved more stable than GSNO. After 1 h of exposure to overhead fluorescent lighting, both RSNOs displayed high susceptibility to light-induced decomposition. After 7 h, GSNO and SNAP decomposed 19.3 ± 0.5% and 30 ± 2%, respectively.
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McCabe MM, Hala P, Rojas-Pena A, Lautner-Csorba O, Major TC, Ren H, Bartlett RH, Brisbois EJ, Meyerhoff ME. Enhancing analytical accuracy of intravascular electrochemical oxygen sensors via nitric oxide release using S-nitroso-N-acetyl-penicillamine (SNAP) impregnated catheter tubing. Talanta 2019; 205:120077. [PMID: 31450395 DOI: 10.1016/j.talanta.2019.06.077] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 06/19/2019] [Accepted: 06/20/2019] [Indexed: 12/21/2022]
Abstract
Implantable medical devices are an integral part of primary/critical care. However, these devices carry a high risk for blood clots, caused by platelet aggregation on a foreign body surface. This study focuses on the development of a simplified approach to create nitric oxide (NO) releasing intravascular electrochemical oxygen (O2) sensors with increased biocompatibility and analytical accuracy. The implantable sensors are prepared by embedding S-nitroso-N-acetylpenacillamine (SNAP) as the NO donor molecule in the walls of the catheter type sensors. The SNAP-impregnated catheters were prepared by swelling silicone rubber tubing in a tetrahydrofuran solution containing SNAP. Control and SNAP-impregnated catheters were used to fabricate the Clark-style amperometric PO2 sensors. The SNAP-impregnated sensors release NO under physiological conditions for 18 d as measured by chemiluminescence. The analytical response of the SNAP-impregnated sensors was evaluated in vitro and in vivo. Rabbit and swine models (with sensors placed in both veins and arteries) were used to evaluate the effects on thrombus formation and analytical in vivo PO2 sensing performance. The SNAP-impregnated PO2 sensors were found to more accurately measure PO2 levels in blood continuously (over 7 and 20 h animal experiments) with significantly reduced thrombus formation (as compared to controls) on their surfaces.
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Affiliation(s)
- M M McCabe
- Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
| | - P Hala
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA; Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic; Department of Physiology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - A Rojas-Pena
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - O Lautner-Csorba
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - T C Major
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - H Ren
- Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
| | - R H Bartlett
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA
| | - E J Brisbois
- Department of Materials Science and Engineering, University of Central Florida, Orlando, FL, USA.
| | - M E Meyerhoff
- Department of Chemistry, University of Michigan, Ann Arbor, MI, USA.
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Douglass ME, Goudie MJ, Pant J, Singha P, Hopkins S, Devine R, Schmiedt CW, Handa H. Catalyzed Nitric Oxide Release Via Cu Nanoparticles Leads to an Increase in Antimicrobial Effects and Hemocompatibility for Short Term Extracorporeal Circulation. ACS APPLIED BIO MATERIALS 2019; 2:2539-2548. [PMID: 33718805 DOI: 10.1021/acsabm.9b00237] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Devices used for extracorporeal circulation are met with two major medical concerns: thrombosis and infection. A device that allows for anticoagulant-free circulation while reducing risk of infection has yet to be developed. We report the use of a copper nanoparticle (Cu NP) catalyst for the release of nitric oxide (NO) from the endogenous donor S-nitrosoglutathione (GSNO) in a coating applied to commercial Tygon S3™ E-3603 poly(vinyl chloride) tubing in order to reduce adhered bacterial viability and the occurrence thrombosis for the first time in an animal model. Cu GSNO coated material demonstrated a nitric oxide (NO) release flux ranging from an initial flux of 6.3 ± 0.9 ×10-10 mol cm-2 min-1 to 7.1 ± 0.4 ×10-10 mol cm-2 min-1 after 4 h of release, while GSNO loops without Cu NPs only ranged from an initial flux of 1.1 ± 0.2 ×10-10 mol cm-2 min-1 to 2.3 ± 0.2 ×10-10 mol cm-2 min-1 after 4 h of release, indicating that the addition of Cu NPs can increase NO flux up to five times in the same 4 h period. Additionally, a 3-log reduction in S. aureus and 1-log reduction in P. aeruginosa was observed in viable bacterial adhesion over a 24 h period compared to control loops. A Cell Counting Kit-8 (CCK-8) assay was used to validate no overall cytotoxicity towards 3T3 mouse fibroblasts. Finally, extracorporeal circuits were coated and exposed to 4 h of blood flow under an in vivo rabbit model. The Cu GSNO combination was successful in maintaining 89.3% of baseline platelet counts, while the control loops were able to maintain 67.6% of the baseline. These results suggest that the combination of Cu NPs with GSNO increases hemocompatibility and antimicrobial properties of ECC loops without any cytotoxic effects towards mammalian cells.
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Affiliation(s)
- Megan E Douglass
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Marcus J Goudie
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Jitendra Pant
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Priyadarshini Singha
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Sean Hopkins
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Ryan Devine
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Chad W Schmiedt
- Department of Small Animal Medicine and Surgery, University of Georgia, Athens, GA, USA
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
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Lai A, Demarest CT, Do-Nguyen CC, Ukita R, Skoog DJ, Carleton NM, Amoako KA, Montoya PJ, Cook KE. 72-Hour in vivo evaluation of nitric oxide generating artificial lung gas exchange fibers in sheep. Acta Biomater 2019; 90:122-131. [PMID: 30953800 PMCID: PMC6513705 DOI: 10.1016/j.actbio.2019.04.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 03/26/2019] [Accepted: 04/02/2019] [Indexed: 12/21/2022]
Abstract
The large, densely packed artificial surface area of artificial lungs results in rapid clotting and device failure. Surface generated nitric oxide (NO) can be used to reduce platelet activation and coagulation on gas exchange fibers, while not inducing patient bleeding due to its short half-life in blood. To generate NO, artificial lungs can be manufactured with PDMS hollow fibers embedded with copper nanoparticles (Cu NP) and supplied with an infusion of the NO donor S-nitroso-N-acetyl-penicillamine (SNAP). The SNAP reacts with Cu NP to generate NO. This study investigates clot formation and gas exchange performance of artificial lungs with either NO-generating Cu-PDMS or standard polymethylpentene (PMP) fibers. One miniature artificial lung (MAL) made with 10 wt% Cu-PDMS hollow fibers and one PMP control MAL were attached to sheep in parallel in a veno-venous extracorporeal membrane oxygenation circuit (n = 8). Blood flow through each device was set at 300 mL/min, and each device received a SNAP infusion of 0.12 μmol/min. The ACT was between 110 and 180 s in all cases. Blood flow resistance was calculated as a measure of clot formation on the fiber bundle. Gas exchange experiments comparing the two groups were conducted every 24 h at blood flow rates of 300 and 600 mL/min. Devices were removed once the resistance reached 3x baseline (failure) or following 72 h. All devices were imaged using scanning electron microscopy (SEM) at the inlet, outlet, and middle of the fiber bundle. The Cu-PDMS NO generating MALs had a significantly smaller increase in resistance compared to the control devices. Resistance rose from 26 ± 8 and 23 ± 5 in the control and Cu-PDMS devices, respectively, to 35 ± 8 mmHg/(mL/min) and 72 ± 23 mmHg/(mL/min) at the end of each experiment. The resistance and SEM imaging of fiber surfaces demonstrate lower clot formation on Cu-PDMS fibers. Although not statistically significant, oxygen transfer for the Cu-PDMS MALs was 13.3% less than the control at 600 mL/min blood flow rate. Future in vivo studies with larger Cu-PDMS devices are needed to define gas exchange capabilities and anticoagulant activity over a long-term study at clinically relevant ACTs. STATEMENT OF SIGNIFICANCE: In artificial lungs, the large, densely-packed blood contacting surface area of the hollow fiber bundle is critical for gas exchange but also creates rapid, surface-generated clot requiring significant anticoagulation. Monitoring of anticoagulation, thrombosis, and resultant complications has kept permanent respiratory support from becoming a clinical reality. In this study, we use a hollow fiber material that generates nitric oxide (NO) to prevent platelet activation at the blood contacting surface. This material is tested in vivo in a miniature artificial lung and compared against the clinical standard. Results indicated significantly reduced clot formation. Surface-focused anticoagulation like this should reduce complication rates and allow for permanent respiratory support by extending the functional lifespan of artificial lungs and can further be applied to other medical devices.
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Affiliation(s)
- Angela Lai
- Carnegie Mellon University, United States.
| | | | | | - Rei Ukita
- Carnegie Mellon University, United States
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40
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Lutzke A, Melvin AC, Neufeld MJ, Allison CL, Reynolds MM. Nitric oxide generation from S-nitrosoglutathione: New activity of indium and a survey of metal ion effects. Nitric Oxide 2019; 84:16-21. [DOI: 10.1016/j.niox.2019.01.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 01/04/2019] [Accepted: 01/06/2019] [Indexed: 11/28/2022]
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41
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Song Q, Li L, Xiong K, Tian W, Lu J, Wang J, Huang N, Tu Q, Yang Z. A facile dopamine-mediated metal-catecholamine coating for therapeutic nitric oxide gas interface-catalytic engineering of vascular devices. Biomater Sci 2019; 7:3741-3750. [DOI: 10.1039/c9bm00017h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A facile copper-dopamine coating with possibility of continuously generating NO from endogenous RSNOs was constructed on vascular stent for inhibiting coagulation and selectively promoting endothelial cells while inhibiting smooth muscle cell.
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Affiliation(s)
- Qiang Song
- Key Lab. of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | - Long Li
- Institute of Environmental Engineering Technology
- China Institute for Radiation Protection
- Taiyuan
- China
| | - Kaiqin Xiong
- Key Lab. of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | - Wenjie Tian
- Cardiology Department
- Sichuan Provincial People's Hospital & Sichuan Academy of Medical Sciences
- Chengdu
- China
| | - Jing Lu
- Anesthesiology Department
- Sichuan Provincial People's Hospital & Sichuan Academy of Medical Sciences
- Chengdu
- China
| | - Jin Wang
- Key Lab. of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | - Nan Huang
- Key Lab. of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | - Qiufen Tu
- Key Lab. of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | - Zhilu Yang
- Key Lab. of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
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42
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Ontaneda A, Annich GM. Novel Surfaces in Extracorporeal Membrane Oxygenation Circuits. Front Med (Lausanne) 2018; 5:321. [PMID: 30525038 PMCID: PMC6256321 DOI: 10.3389/fmed.2018.00321] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 10/30/2018] [Indexed: 01/01/2023] Open
Abstract
The balance between systemic anticoagulation and clotting is challenging. In normal hemostasis, the endothelium regulates the balance between anticoagulant and prothrombotic systems. It becomes particularly more challenging to maintain this physiologic hemostasis when we are faced with extracorporeal life support therapies, where blood is continuously in contact with a foreign extracorporeal circuit surface predisposing a prothrombotic state. The blood-surface interaction during extracorporeal life support therapies requires the use of systemic anticoagulation to decrease the risk of clotting. Unfractionated heparin is the most common anticoagulant agent widely used in this setting. New trends include the use of direct thrombin inhibitor agents for systemic anticoagulation; and surface modifications that aim to overcome the blood-biomaterial surface interaction by modifying the hydrophilicity or hydrophobicity of the polymer surface; and coating the circuit with substances that will mimic the endothelium or anti-thrombotic agents. To improve hemocompatibility in an extracorporeal circuit, replication of the anti-thrombotic and anti-inflammatory properties of the endothelium is ideal. Surface modifications can be classified into three major groups: biomimetic surfaces (heparin, nitric oxide, and direct thrombin inhibitors); biopassive surfaces [phosphorylcholine, albumin, and poly- 2-methoxyethylacrylate]; and endothelialization of blood contacting surface. The focus of this paper will be to review both present and future novel surface modifications that can obviate the need for systemic anticoagulation during extracorporeal life support therapies.
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Affiliation(s)
- Andrea Ontaneda
- Department of Critical Care Medicine, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada
| | - Gail M Annich
- Department of Critical Care Medicine, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada
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43
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Major TC, Brisbois EJ, Meyerhoff ME, Bartlett RH. Attenuation of Thrombin-Mediated Fibrin Formation via Changes in Fibrinogen Conformation Induced by Reaction with S-nitroso- N-acetylpenicillamine, but not S-nitrosoglutathione. J Mater Chem B 2018; 6:7954-7965. [PMID: 31372222 PMCID: PMC6675453 DOI: 10.1039/c8tb02103a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Previous work in a 4 h rabbit thrombogenicity model has shown that a nitric oxide- (NO) generating polymer extracorporeal circuits (ECC) with infusion of S-nitroso-N-acetyl-penicillamine (SNAP) preserved platelets eventhough platelets were activated as shown by an increase in the glycoprotein, p-selectin. The platelet preservation mechanism was shown to be due to a changing fibrinogen structure leading to attenuation of platelet aggregation. Understanding the effects that SNAP, another RSNO, S-nitroso-glutathione (GSNO) as well as the non-RSNO, sodium nitroprusside (SNP), may have on human fibrinogen polymerization, this in vitro study evaluated the released NO effects on the thrombin-mediated fibrin formation and fibrinogen structure. Thrombin-induced fibrin formation at 300 μM SNAP (50 + 11% of baseline) was significantly reduced compared to SNAP's parent, N-acetyl-penicillamine (NAP) (95 + 13%) after 1 h of RSNO exposure. GSNO, its parent, glutathione (GSH) and 1000 ppm NO gas did not attenuate the thrombin-mediated fibrin formation. SNAP, NAP and SNP exposure for 1 h, however, did not decrease thrombin activity by directly inhibiting thrombin itself. Changes in fibrinogen conformation as measured by intrinsic tryptophan fluorescence significantly decreased in the 300 μM SNAP (38057 + 1196 mean fluorescence intensity (MFI) and SNP (368617 + 541 MFI) groups versus the NAP control (47937 + 1196 MFI). However, infused 1000 ppm NO gas had no direct effect on the ITF after 1 h incubation at 37°C. High performance liquid chromatography (HPLC) showed that fibrinogen degradation by 0.03 U/ml thrombin was concentration-dependently reduced after 1 h with SNAP but not with NAP or SNP. Western blotting showed RSNOs, SNAP, NAP and the non-RSNO, SNP-incubated fibrinogen solutions showed that the percent level of the Aγ dimer to total Aγ dimer + γ monomer was significantly reduced in the case of the SNAP group when compared to SNP group. These results suggest that NO donors such as SNAP and SNP induce fibrinogen conformational changes by potentially nitrosating fibrinogen tyrosine residues. These NO-mediated fibrinogen changes induced via NO donors may provide another mechanism of NO for improving thromboresistance in ECC.
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Affiliation(s)
- Terry C Major
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI USA
| | - Elizabeth J Brisbois
- Department of Materials Science and Engineering, University of Central Florida, FL USA
| | - Mark E Meyerhoff
- Department of Chemistry, University of Michigan, Ann Arbor, MI USA
| | - Robert H Bartlett
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI USA
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Liu Y, Munisso MC, Mahara A, Kambe Y, Fukazawa K, Ishihara K, Yamaoka T. A surface graft polymerization process on chemically stable medical ePTFE for suppressing platelet adhesion and activation. Biomater Sci 2018; 6:1908-1915. [PMID: 29877532 DOI: 10.1039/c8bm00364e] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
An effective surface grafting method for chemically inert and elaborately porous medical expanded-polytetrafluoroethylene (ePTFE) was developed. Although surface graft polymerization onto basic polymeric biomaterials has been widely studied, successful modification of the ePTFE surface has been lacking due to its high chemical resistance. Herein, we succeeded in surface graft polymerization onto ePTFE through glycidyl methacrylate (GMA) as a bridge linkage following argon (Ar) plasma treatment. The epoxy group of GMA was expected to react with the peroxide groups produced on ePTFE by Ar plasma exposure, and its methacrylic groups can copolymerize with various monomers. In the present study, we selected 2-methacryloyloxyethyl phosphorylcholine (MPC) as a model monomer and the blood compatibility of modified ePTFE was evaluated. Two sequences of surface grafting were compared. In a two-step graft polymerization, GMA was first immobilized onto Ar plasma treated ePTFE, and then MPC was polymerized. In a one-step graft copolymerization, MPC and GMA were mixed and copolymerized simultaneously onto Ar plasma treated ePTFE, resulting in a poly(MPC-co-GMA) (PMG) graft surface. The roughness of the node-and-fibril structure of ePTFE was reduced by the uniform polymer layer, and the modified ePTFE had a good hydrophilic nature even after being stored in an aqueous environment for 30 days. The indispensable GMA in graft polymerization improved the surface grafting on ePTFE. The one-step and two-step graft polymerization methods could decrease the number of adhered platelets, and almost inhibit platelet activation. We concluded that graft polymerization with the GMA linker provides a novel strategy to modify the chemically inert ePTFE surfaces for functionalizing as new medical devices.
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Affiliation(s)
- Yihua Liu
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, Japan.
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Yang Y, Li X, Qiu H, Li P, Qi P, Maitz MF, You T, Shen R, Yang Z, Tian W, Huang N. Polydopamine Modified TiO 2 Nanotube Arrays for Long-Term Controlled Elution of Bivalirudin and Improved Hemocompatibility. ACS APPLIED MATERIALS & INTERFACES 2018; 10:7649-7660. [PMID: 28845974 DOI: 10.1021/acsami.7b06108] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Sustained and controllable release characteristics are pivotal factors for novel drug delivery technologies. TiO2 nanotube arrays prepared by self-ordering electrochemical anodization are attractive for the development of biomedical devices for local drug delivery applications. In this work, several layers of polydopamine (PDA) were deposited to functionalize TiO2 nanotube arrays. The anticoagulant drug bivalirudin (BVLD) was used as a model drug. PDA extended the release period of BVLD and maintained a sustained release kinetic. Depending on the number of PDA layers, the release characteristics of BVLD improved, as there was a reduced burst release (from 45% to 11%) and extended overall release period from 40 days to more than 300 days in the case of 5 layers. Besides, the BVLD loaded 5-layer PDA coating maintained the high bioactivity of BVLD and effectively reduced the thrombosis formation by inhibition of the adhesion and denaturation of fibrinogen, platelets, and other blood components. Both in vitro and ex vivo blood evaluation results demonstrated that this coating significantly improved the hemocompatibility. These results confirmed the capability of PDA fitted TiO2 nanotube systems to be applied for local drug delivery over an extended period with well retained bioactivity and predictable release kinetics.
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Affiliation(s)
- Ying Yang
- Key Laboratory of Advanced Technology for Materials of Education Ministry, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031 , China
| | - Xiangyang Li
- Key Laboratory of Advanced Technology for Materials of Education Ministry, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031 , China
| | - Hua Qiu
- Key Laboratory of Advanced Technology for Materials of Education Ministry, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031 , China
| | - Ping Li
- Key Laboratory of Advanced Technology for Materials of Education Ministry, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031 , China
| | - Pengkai Qi
- Key Laboratory of Advanced Technology for Materials of Education Ministry, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031 , China
| | - Manfred F Maitz
- Key Laboratory of Advanced Technology for Materials of Education Ministry, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031 , China
- Max Bergmann Center of Biomaterials , Leibniz Institute of Polymer Research Dresden , Hohe Strasse 6 , 01069 Dresden , Germany
| | - Tianxue You
- Key Laboratory of Advanced Technology for Materials of Education Ministry, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031 , China
| | - Ru Shen
- Key Laboratory of Advanced Technology for Materials of Education Ministry, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031 , China
| | - Zhilu Yang
- Key Laboratory of Advanced Technology for Materials of Education Ministry, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031 , China
| | - Wenjie Tian
- Sichuan Provincial People's Hospital , Cardiology , Chengdu , Sichuan 610072 , China
| | - Nan Huang
- Key Laboratory of Advanced Technology for Materials of Education Ministry, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031 , China
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46
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Eytan D, Bitterman Y, Annich GM. VV extracorporeal life support for the Third Millennium: will we need anticoagulation? J Thorac Dis 2018; 10:S698-S706. [PMID: 29732189 DOI: 10.21037/jtd.2017.11.89] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Since the late 1600's medicine and science have entertained the idea of extracorporeal circulation. With this technology to allow for cardiac and pulmonary support came the development of anticoagulation. Although this advanced the technology and capabilities of extracorporeal life support, it was not without complications and risks. The most common complications in extracorporeal life support (ECLS) present day are related to hemorrhage and thrombus due to the need for systemic anticoagulation and the challenges associated with it. This review focuses on present day techniques for anticoagulation for ECLS and what future surface modifications may do to obviate the use of systemic anticoagulation entirely.
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Affiliation(s)
- Danny Eytan
- Department of Pediatric Critical Care, Rambam Medical Center, Haifa, Israel
| | - Yuval Bitterman
- Department of Pediatric Critical Care, Rambam Medical Center, Haifa, Israel
| | - Gail M Annich
- Department of Critical Care Medicine, The Hospital for Sick Children University of Toronto, Toronto, Canada
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47
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Li X, Shen F, Wang K, Lin S, Zhou L, Chen S, Wang J, Huang N. Endothelial mimetic multifunctional surfaces fabricated via polydopamine mediated copper immobilization. J Mater Chem B 2018; 6:7582-7593. [DOI: 10.1039/c8tb01976b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Nitric oxide (NO), which is continuously released from the normal healthy endodermis cell layer of the vascular system, plays a crucial role in the stability and health maintenance of blood vessels.
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Affiliation(s)
- Xin Li
- Key Laboratories of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | | | - Kebing Wang
- Key Laboratories of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | - Shuang Lin
- Key Laboratories of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | - Lei Zhou
- Key Laboratories of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | - Si Chen
- Key Laboratories of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | - Jin Wang
- Key Laboratories of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
| | - Nan Huang
- Key Laboratories of Advanced Technology for Materials of Education Ministry
- School of Materials Science and Engineering
- Southwest Jiaotong University
- Chengdu
- China
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48
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Annich GM, Zaulan O, Neufeld M, Wagner D, Reynolds MM. Thromboprophylaxis in Extracorporeal Circuits: Current Pharmacological Strategies and Future Directions. Am J Cardiovasc Drugs 2017; 17:425-439. [PMID: 28536932 DOI: 10.1007/s40256-017-0229-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The development of extracorporeal devices for organ support has been a part of medical history and progression since the late 1900s. These types of technology are primarily used and developed in the field of critical care medicine. Unfractionated heparin, discovered in 1916, has really been the only consistent form of thromboprophylaxis for attenuating or even preventing the blood-biomaterial reaction that occurs when such technologies are initiated. The advent of regional anticoagulation for procedures such as continuous renal replacement therapy and plasmapheresis have certainly removed the risks of systemic heparinization and heparin effect, but the challenges of the blood-biomaterial reaction and downstream effects remain. In addition, regional anticoagulation cannot realistically be applied in a system such as extracorporeal membrane oxygenation because of the high blood flow rates needed to support the patient. More recently, advances in the technology itself have resulted in smaller, more compact extracorporeal life support (ECLS) systems that can-at certain times and in certain patients-run without any form of anticoagulation. However, the majority of patients on ECLS systems require some type of systemic anticoagulation; therefore, the risks of bleeding and thrombosis persist, the most devastating of which is intracranial hemorrhage. We provide a concise overview of the primary and alternate agents and monitoring used for thromboprophylaxis during use of ECLS. In addition, we explore the potential for further biomaterial and technologic developments and what they could provide when applied in the clinical arena.
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Affiliation(s)
- Gail M Annich
- Department of Critical Care Medicine, The Hospital for Sick Children, University of Toronto, 555 University Avenue, M5G 1X8, Toronto, ON, Canada.
| | - Oshri Zaulan
- Department of Critical Care Medicine, The Hospital for Sick Children, University of Toronto, 555 University Avenue, M5G 1X8, Toronto, ON, Canada
| | - Megan Neufeld
- Department of Chemistry, Colorado State University, Fort Collins, Colorado, USA
| | - Deborah Wagner
- Departments of Pharmacology and Anesthesia, University of Michigan, Ann Arbor, Michigan, USA
| | - Melissa M Reynolds
- Department of Chemistry, School of Biomedical Engineering, Chemical and Biological Engineering, Colorado State University, Fort Collins, Colorado, USA
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49
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Neufeld MJ, Lutzke A, Jones WM, Reynolds MM. Nitric Oxide Generation from Endogenous Substrates Using Metal-Organic Frameworks: Inclusion within Poly(vinyl alcohol) Membranes To Investigate Reactivity and Therapeutic Potential. ACS APPLIED MATERIALS & INTERFACES 2017; 9:35628-35641. [PMID: 28976734 PMCID: PMC6322413 DOI: 10.1021/acsami.7b11846] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Cu-BTTri (H3BTTri = 1,3,5-tris[1H-1,2,3-triazol-5-yl]benzene) is a water-stable, copper-based metal-organic framework (MOF) that exhibits the ability to generate therapeutic nitric oxide (NO) from S-nitrosothiols (RSNOs) available within the bloodstream. Immobilization of Cu-BTTri within a polymeric membrane may allow for localized NO generation at the blood-material interface. This work demonstrates that Cu-BTTri can be incorporated within hydrophilic membranes prepared from poly(vinyl alcohol) (PVA), a polymer that has been examined for numerous biomedical applications. Following immobilization, the ability of the MOF to produce NO from the endogenous RSNO S-nitrosoglutathione (GSNO) is not significantly inhibited. Poly(vinyl alcohol) membranes containing dispersions of Cu-BTTri were tested for their ability to promote NO release from a 10 μM initial GSNO concentration at pH 7.4 and 37 °C, and NO production was observed at levels associated with antithrombotic therapeutic effects without significant copper leaching (<1%). Over 3.5 ± 0.4 h, 10 wt % Cu-BTTri/PVA membranes converted 97 ± 6% of GSNO into NO, with a maximum NO flux of 0.20 ± 0.02 nmol·cm-2·min-1. Furthermore, it was observed for the first time that Cu-BTTri is capable of inducing NO production from GSNO under aerobic conditions. At pH 6.0, the NO-forming reaction of 10 wt % Cu-BTTri/PVA membrane was accelerated by 22%, while an opposite effect was observed in the case of aqueous copper(II) chloride. Reduced temperature (20 °C) and the presence of the thiol-blocking reagent N-ethylmaleimide (NEM) impair the NO-forming reaction of Cu-BTTri/PVA with GSNO, with both conditions resulting in a decreased NO yield of 16 ± 1% over 3.5 h. Collectively, these findings suggest that Cu-BTTri/PVA membranes may have therapeutic utility through their ability to generate NO from endogenous substrates. Moreover, this work provides a more comprehensive analysis of the parameters that influence Cu-BTTri efficacy, permitting optimization for potential medical applications.
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Affiliation(s)
- Megan J. Neufeld
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Alec Lutzke
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - W. Matthew Jones
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Melissa M. Reynolds
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
- School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
- Chemical and Biological Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
- Corresponding Author: . Tel.: + 1 970 491 3775
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50
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Cha KH, Meyerhoff ME. Compatibility of Nitric Oxide Release with Implantable Enzymatic Glucose Sensors Based on Osmium (III/II) Mediated Electrochemistry. ACS Sens 2017; 2:1262-1266. [PMID: 28819975 DOI: 10.1021/acssensors.7b00430] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The compatibility of nitric oxide (NO) release coatings with implantable enzymatic glucose sensors based on osmium (III/II) mediated electrochemical detection is examined for the first time. NO-releasing osmium-mediated glucose sensors are prepared using a S-nitrosothiol impregnated outer tubing and are tested in vitro in both phosphate buffer (pH 7.4) and whole porcine blood. It is demonstrated that after 3 days of continuous NO release at or above physiological levels, there are no negative effects on the osmium mediated electrochemical currents. Indeed, such sensors maintain their functionality, sensitivity, and accuracy for detecting glucose levels in blood. The results suggest that improved performance of both intravascular and, potentially, subcutaneous Os(III/II) mediated glucose sensors may be realized by taking advantage of NO's well-known anticlotting, anti-inflammatory, and antimicrobial properties.
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Affiliation(s)
- Kyoung Ha Cha
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - Mark E. Meyerhoff
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
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