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Tabish TA, Crabtree MJ, Townley HE, Winyard PG, Lygate CA. Nitric Oxide Releasing Nanomaterials for Cardiovascular Applications. JACC Basic Transl Sci 2024; 9:691-709. [PMID: 38984042 PMCID: PMC11228123 DOI: 10.1016/j.jacbts.2023.07.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 07/27/2023] [Accepted: 07/27/2023] [Indexed: 07/11/2024]
Abstract
A central paradigm of cardiovascular homeostasis is that impaired nitric oxide (NO) bioavailability results in a wide array of cardiovascular dysfunction including incompetent endothelium-dependent vasodilatation, thrombosis, vascular inflammation, and proliferation of the intima. Over the course of more than a century, NO donating formulations such as organic nitrates and nitrites have remained a cornerstone of treatment for patients with cardiovascular diseases. These donors primarily produce NO in the circulation and are not targeted to specific (sub)cellular sites of action. However, safe, and therapeutic levels of NO require delivery of the right amount to a precise location at the right time. To achieve these aims, several recent strategies aimed at therapeutically generating or releasing NO in living systems have shown that polymeric and inorganic (silica, gold) nanoparticles and nanoscale metal-organic frameworks could either generate NO endogenously by the catalytic decomposition of endogenous NO substrates or can store and release therapeutically relevant amounts of NO gas. NO-releasing nanomaterials have been developed for vascular implants (such as stents and grafts) to target atherosclerosis, hypertension, myocardial ischemia-reperfusion injury, and cardiac tissue engineering. In this review, we discuss the advances in design and development of novel NO-releasing nanomaterials for cardiovascular therapeutics and critically examine the therapeutic potential of these nanoplatforms to modulate cellular metabolism, to regulate vascular tone, inhibit platelet aggregation, and limit proliferation of vascular smooth muscle with minimal toxic effects.
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Affiliation(s)
- Tanveer A Tabish
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, British Heart Foundation (BHF) Centre of Research Excellence, University of Oxford, Oxford, United Kingdom
| | - Mark J Crabtree
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, British Heart Foundation (BHF) Centre of Research Excellence, University of Oxford, Oxford, United Kingdom
- Department of Biochemical Sciences, School of Biosciences & Medicine, University of Surrey, Guildford, United Kingdom
| | - Helen E Townley
- Nuffield Department of Women's and Reproductive Health, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
- Department of Engineering Science, University of Oxford, Oxford, United Kingdom
| | - Paul G Winyard
- University of Exeter Medical School, College of Medicine and Health, St. Luke's Campus, University of Exeter, Exeter, United Kingdom
| | - Craig A Lygate
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, British Heart Foundation (BHF) Centre of Research Excellence, University of Oxford, Oxford, United Kingdom
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Bright LME, Wu Y, Brisbois EJ, Handa H. Advances in Nitric Oxide-Releasing Hydrogels for Biomedical Applications. Curr Opin Colloid Interface Sci 2023; 66:101704. [PMID: 37694274 PMCID: PMC10489397 DOI: 10.1016/j.cocis.2023.101704] [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] [Indexed: 09/12/2023]
Abstract
Hydrogels provide a plethora of advantages to biomedical treatments due to their highly hydrophilic nature and tissue-like mechanical properties. Additionally, the numerous and widespread endogenous roles of nitric oxide have led to an eruption in research developing biomimetic solutions to the many challenges the biomedical world faces. Though many design factors and fabrication details must be considered, utilizing hydrogels as nitric oxide delivery vehicles provides promising materials in several applications. Such applications include cardiovascular therapy, vasodilation and angiogenesis, antimicrobial treatments, wound dressings, and stem cell research. Herein, a recent update on the progress of NO-releasing hydrogels is presented in depth. In addition, considerations for the design and fabrication of hydrogels and specific biomedical applications of nitric oxide-releasing hydrogels are discussed.
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Affiliation(s)
- Lori M. Estes Bright
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Yi Wu
- School of Chemical, Materials, and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Elizabeth J. Brisbois
- 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
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3
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Strategies to Use Nanofiber Scaffolds as Enzyme-Based Biocatalysts in Tissue Engineering Applications. Catalysts 2021. [DOI: 10.3390/catal11050536] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Nanofibers are considered versatile materials with remarkable potential in tissue engineering and regeneration. In addition to their extracellular matrix-mimicking properties, nanofibers can be functionalized with specific moieties (e.g., antimicrobial nanoparticles, ceramics, bioactive proteins, etc.) to improve their overall performance. A novel approach in this regard is the use of enzymes immobilized onto nanofibers to impart biocatalytic activity. These nanofibers are capable of carrying out the catalysis of various biological processes that are essential in the healing process of tissue. In this review, we emphasize the use of biocatalytic nanofibers in various tissue regeneration applications. Biocatalytic nanofibers can be used for wound edge or scar matrix digestion, which reduces the hindrance for cell migration and proliferation, hence displaying applications in fast tissue repair, e.g., spinal cord injury. These nanofibers have potential applications in bone regeneration, mediating osteogenic differentiation, biomineralization, and matrix formation through direct enzyme activity. Moreover, enzymes can be used to undertake efficient crosslinking and fabrication of nanofibers with better physicochemical properties and tissue regeneration potential.
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Nitric Oxide Release from Antimicrobial Peptide Hydrogels for Wound Healing. Biomolecules 2018; 9:biom9010004. [PMID: 30583486 PMCID: PMC6359012 DOI: 10.3390/biom9010004] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 12/14/2018] [Accepted: 12/19/2018] [Indexed: 12/19/2022] Open
Abstract
Nitric oxide (NO) is an endogenously produced molecule that has been implicated in several wound healing mechanisms. Its topical delivery may improve healing in acute or chronic wounds. In this study an antimicrobial peptide was synthesized which self-assembled upon a pH shift, forming a hydrogel. The peptide was chemically functionalized to incorporate a NO-donor moiety on lysine residues. The extent of the reaction was measured by ninhydrin assay and the NO release rate was quantified via the Griess reaction method. The resulting compound was evaluated for its antimicrobial activity against Escherichia coli, and its effect on collagen production by fibroblasts was assessed. Time-kill curves point to an initial increase in bactericidal activity of the functionalized peptide, and collagen production by human dermal fibroblasts when incubated with the NO-functionalized peptide showed a dose-dependent increase in the presence of the NO donor within a range of 0⁻20 μM.
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Alexander GC, Hwang PTJ, Chen J, Kim J, Brott BC, Yoon YS, Jun HW. Nanomatrix Coated Stent Enhances Endothelialization but Reduces Platelet, Smooth Muscle Cell, and Monocyte Adhesion under Physiologic Conditions. ACS Biomater Sci Eng 2017; 4:107-115. [PMID: 31538110 DOI: 10.1021/acsbiomaterials.7b00676] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cardiovascular disease is presently the number one cause of death worldwide. Current stents used to treat cardiovascular disease have a litany of unacceptable shortcomings: adverse clinical events including restenosis, neointimal hyperplasia, thrombosis, inflammation, and poor re-endothelialization. We have developed a biocompatible, multifunctional, peptide amphiphile-based nanomatrix coating for stents. In this study, we evaluated the ability of the nanomatrix coated stent to simultaneously address the issues facing current stents under physiological flow conditions in vitro. We found that the nanomatrix coated stent could increase endothelial cell migration, adhesion, and proliferation (potential for re-endothelialization), discourage smooth muscle cell migration and adhesion (potential to reduce neointimal hyperplasia and restenosis), and decrease both platelet activation and adhesion (potential to prevent thrombosis) as well as monocyte adhesion (potential to attenuate inflammatory responses) under physiological flow conditions in vitro. These promising results demonstrate the potential clinical utility of this nanomatrix stent coating, and highlight the importance of biocompatibility, multifunctionality, and bioactivity in cardiovascular device design.
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Affiliation(s)
- G C Alexander
- Department of Biomedical Engineering, University of Alabama at Birmingham, 806 Shelby Building, 1825 University Boulevard, Birmingham, Alabama 35294, United States
| | - P T J Hwang
- Department of Biomedical Engineering, University of Alabama at Birmingham, 806 Shelby Building, 1825 University Boulevard, Birmingham, Alabama 35294, United States
| | - J Chen
- Department of Biomedical Engineering, University of Alabama at Birmingham, 806 Shelby Building, 1825 University Boulevard, Birmingham, Alabama 35294, United States
| | - J Kim
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, University of Alabama at Birmingham, 806 Shelby Building, 1825 University Boulevard, Birmingham, Alabama 35294, United States
| | - B C Brott
- School of Medicine, Division of Cardiology, University of Alabama at Birmingham, 806 Shelby Building, 1825 University Boulevard, Birmingham, Alabama 35294, United States
| | - Y S Yoon
- School of Medicine, Division of Cardiology, Emory University, Atlanta, Georgia 30322, United States.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul 03722, Korea
| | - H-W Jun
- Department of Biomedical Engineering, University of Alabama at Birmingham, 806 Shelby Building, 1825 University Boulevard, Birmingham, Alabama 35294, United States
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Enzyme-functionalized vascular grafts catalyze in-situ release of nitric oxide from exogenous NO prodrug. J Control Release 2015; 210:179-88. [DOI: 10.1016/j.jconrel.2015.05.283] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 03/21/2015] [Accepted: 05/20/2015] [Indexed: 12/22/2022]
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Effects of endothelium, stent design and deployment on the nitric oxide transport in stented artery: a potential role in stent restenosis and thrombosis. Med Biol Eng Comput 2015; 53:427-39. [DOI: 10.1007/s11517-015-1250-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Accepted: 02/02/2015] [Indexed: 10/24/2022]
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Kim J, Saravanakumar G, Choi HW, Park D, Kim WJ. A platform for nitric oxide delivery. J Mater Chem B 2014; 2:341-356. [DOI: 10.1039/c3tb21259a] [Citation(s) in RCA: 119] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Chiang S, Breen DM, Guo J, Mori Y, Giacca A. Local insulin application on the carotid artery inhibits neointima formation. Can J Physiol Pharmacol 2013; 91:1086-94. [DOI: 10.1139/cjpp-2013-0038] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Anti-mitogenic agents currently used to prevent restenosis in drug-eluting stents delay re-endothelialization. Delayed re-endothelialization is now considered as the main cause of late stent thrombosis with drug-eluting stents, which emphasizes the need for new treatments. We have shown that systemic insulin treatment decreases neointimal growth and accelerates re-endothelialization after arterial injury in a rat model of restenosis. However, systemic insulin treatment cannot be given to non-diabetic individuals because of the risk of hypoglycemia. Thus, we investigated whether local insulin treatment is also effective in reducing neointimal growth after arterial injury. Rats were given local vehicle or local insulin delivered via Pluronic gel applied around the carotid artery immediately following balloon injury. Plasma glucose and systemic insulin levels were not affected by local insulin treatment. Insulin decreased intimal area at 28 days (P < 0.05) and also inhibited vascular smooth muscle cell migration by 60% at 4 days (P < 0.05). NPH (a longer-lasting insulin) also decreased neointimal area. These results indicate that local insulin treatment can lead to decreased restenosis, suggesting a protective vascular effect of insulin in vivo and that local insulin treatment, possibly via insulin-eluting stents, may be clinically relevant.
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Affiliation(s)
- Simon Chiang
- Department of Physiology, Medical Science Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Danna M. Breen
- Department of Physiology, Medical Science Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - June Guo
- Department of Physiology, Medical Science Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Yusaku Mori
- Department of Physiology, Medical Science Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
- Division of Diabetes, Metabolism and Endocrinology, Showa University, Shinagawa, Tokyo 142-0064, Japan
| | - Adria Giacca
- Department of Physiology, Medical Science Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
- Department of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada
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Zhao Q, Zhang J, Song L, Ji Q, Yao Y, Cui Y, Shen J, Wang PG, Kong D. Polysaccharide-based biomaterials with on-demand nitric oxide releasing property regulated by enzyme catalysis. Biomaterials 2013; 34:8450-8. [DOI: 10.1016/j.biomaterials.2013.07.045] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Accepted: 07/12/2013] [Indexed: 12/21/2022]
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Vercelino R, Cunha TM, Ferreira ES, Cunha FQ, Ferreira SH, de Oliveira MG. Skin vasodilation and analgesic effect of a topical nitric oxide-releasing hydrogel. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2013; 24:2157-2169. [PMID: 23756965 DOI: 10.1007/s10856-013-4973-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Accepted: 05/31/2013] [Indexed: 06/02/2023]
Abstract
New approaches based on topical treatments are needed for treating pain and impaired dermal blood flow. We used a topical Pluronic F127 hydrogel containing S-nitrosoglutathione (GSNO) as a prodrug to generate free NO, an effector molecule that exerts both dermal vasodilation and antinociceptive effects. GSNO-containing hydrogels underwent gelation above 12 °C and released free NO at rates that were directly dependent on the GSNO concentration in the range of 50-150 mM. The topical application of this material led to dose-response dermal vasodilation in healthy volunteers and to a reduction of up to 50 % of the hypernociception intensity in Wistar rats that were subjected to inflammatory pain. Mechanistic investigations indicated that the antinociceptive effect of the topical F127/GSNO hydrogels is produced by the local activation of the cGMP/PKG/KATP channel-signaling pathway, which was stimulated by the free NO that diffused through the skin. These results expand the scope of the biomedical applications of this material and may represent a new approach for the topical treatment of inflammatory pain.
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Affiliation(s)
- Rafael Vercelino
- Institute of Chemistry, University of Campinas-UNICAMP, CP 6154, Campinas, SP 13087-970, Brazil
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Naghavi N, de Mel A, Alavijeh OS, Cousins BG, Seifalian AM. Nitric oxide donors for cardiovascular implant applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2013; 9:22-35. [PMID: 23136136 DOI: 10.1002/smll.201200458] [Citation(s) in RCA: 114] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2012] [Revised: 06/13/2012] [Indexed: 06/01/2023]
Abstract
In an era of increased cardiovascular disease burden in the ageing population, there is great demand for devices that come in to contact with the blood such as heart valves, stents, and bypass grafts that offer life saving treatments. Nitric oxide (NO) elution from healthy endothelial tissue that lines the vessels maintains haemostasis throughout the vasculature. Surgical devices that release NO are desirable treatment options and N-diazeniumdiolates and S-nitrosothiols are recognized as preferred donor molecules. There is a keen interest to investigate newer methods by which NO donors can be retained within biomaterials so that their release and kinetic profiles can be optimized. A range of polymeric scaffolds incorporating microparticles and nanomaterials are presenting solutions to current challenges, and have been investigated in a range of clinical applications. This review outlines the application of NO donors for cardiovascular therapy using biomaterials that release NO locally to prevent thrombosis and intimal hyperplasia (IH) and enhance endothelialization in the fabrication of next generation cardiovascular device technology.
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Affiliation(s)
- Noora Naghavi
- UCL Centre for Nanotechnology & Regenerative Medicine, University College London, UK
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