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Aveyard J, Richards S, Li M, Pitt G, Hughes GL, Akpan A, Akhtar R, Kazaili A, D'Sa RA. Nitric oxide releasing coatings for the prevention of viral and bacterial infections. Biomater Sci 2024; 12:4664-4681. [PMID: 38980705 PMCID: PMC11385708 DOI: 10.1039/d4bm00172a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 07/02/2024] [Indexed: 07/10/2024]
Abstract
Healthcare associated infections (HCAI) represent a significant burden worldwide contributing to morbidity and mortality and result in substantial economic consequences equating to billions annually. Although the impacts of HCAI have been felt for many years, the coronavirus pandemic has had a profound effect, escalating rates of HCAI, even with extensive preventative measures such as vaccination, personal protective equipment, and deep cleaning regimes. Therefore, there is an urgent need for new solutions to mitigate this serious health emergency. In this paper, the fabrication of nitric oxide (NO) releasing dual action polymer coatings for use in healthcare applications is described. The coatings are doped with the NO donor S-nitroso-N-acetylpenicillamine (SNAP) and release high payloads of NO in a sustained manner for in excess of 50 hours. These coatings are extensively characterized in multiple biologically relevant solutions and the antibacterial/antiviral efficacy is studied. For the first time, we assess antibacterial activity in a time course study (1, 2, 4 and 24 h) in both nutrient rich and nutrient poor conditions. Coatings exhibit excellent activity against Pseudomonas aeruginosa and methicillin resistant Staphylococcus aureus (MRSA), with up to complete reduction observed over 24 hours. Additionally, when tested against SARS-CoV-2, the coatings significantly reduced active virus in as little as 10 minutes. These promising results suggest that these coatings could be a valuable addition to existing preventative measures in the fight against HCAIs.
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Affiliation(s)
- Jenny Aveyard
- School of Engineering, University of Liverpool, Harrison Hughes Building, Brownlow Hill, Liverpool, L69 3GH, UK.
| | - Siobhan Richards
- Departments of Vector Biology and Tropical Disease Biology, Centre for Neglected Tropical Disease, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Man Li
- School of Engineering, University of Liverpool, Harrison Hughes Building, Brownlow Hill, Liverpool, L69 3GH, UK.
| | - Graeme Pitt
- School of Engineering, University of Liverpool, Harrison Hughes Building, Brownlow Hill, Liverpool, L69 3GH, UK.
| | - Grant L Hughes
- Departments of Vector Biology and Tropical Disease Biology, Centre for Neglected Tropical Disease, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Asangaedem Akpan
- Department of Musculoskeletal & Ageing Sciences, University of Liverpool, Liverpool L69 3GL, UK
- Liverpool University Hospitals NHS FT, Liverpool L7 8XP, UK
| | - Riaz Akhtar
- School of Engineering, University of Liverpool, Harrison Hughes Building, Brownlow Hill, Liverpool, L69 3GH, UK.
| | - Ahmed Kazaili
- Department of Biochemistry & Systems Biology, University of Liverpool, Liverpool, L69 7ZB, UK
| | - Raechelle A D'Sa
- School of Engineering, University of Liverpool, Harrison Hughes Building, Brownlow Hill, Liverpool, L69 3GH, UK.
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Sarma PP, Rai A, Baruah PK. Recent Advances in the Development of Antibiotics-Coated Gold Nanoparticles to Combat Antimicrobial Resistance. Antibiotics (Basel) 2024; 13:124. [PMID: 38391510 PMCID: PMC10886052 DOI: 10.3390/antibiotics13020124] [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: 12/23/2023] [Revised: 01/15/2024] [Accepted: 01/24/2024] [Indexed: 02/24/2024] Open
Abstract
Antimicrobial resistance (AMR) has become an alarming threat to the successful treatment of rapidly growing bacterial infections due to the abuse and misuse of antibiotics. Traditional antibiotics bear many limitations, including restricted bioavailability, inadequate penetration and the emergence of antimicrobial-resistant microorganisms. Recent advances in nanotechnology for the introduction of nanoparticles with fascinating physicochemical characteristics have been predicted as an innovative means of defence against antimicrobial-resistant diseases. The use of nanoparticles provides several benefits, including improved tissue targeting, better solubility, improved stability, enhanced epithelial permeability and causes minimal side effects. However, except for gold nanoparticles (AuNPs), the biological safety of the majority of metal nanoparticles remains a serious problem. AuNPs appear to be promising for drug delivery and medicinal applications because of their minimal toxicity, biocompatibility, functional flexibility, chemical stability and versatile biological activities, such as their antiviral, antifungal, anti-inflammatory and antimicrobial properties. Hence, we are focusing on the gold nanoparticles possessing antimicrobial activity in this article. This review will cover recent strategies in the preparation of gold nanoparticles, with special emphasis placed on antibiotics-coated AuNPs with enhanced antimicrobial properties and how they fight against disease-causing bacteria and eradicate biofilms, along with their activities and physicochemical properties.
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Affiliation(s)
- Partha Pratim Sarma
- Department of Applied Sciences, GUIST, Gauhati University, Guwahati 781014, Assam, India
| | - Akhilesh Rai
- CNC-Center for Neuroscience and Cell Biology and Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 000-447 Coimbra, Portugal
| | - Pranjal K Baruah
- Department of Applied Sciences, GUIST, Gauhati University, Guwahati 781014, Assam, India
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Wu Y, Garren MR, Estes Bright LM, Maffe P, Brooks M, Brisbois EJ, Handa H. Enhanced antibacterial efficacy against antibiotic-resistant bacteria via nitric oxide-releasing ampicillin polymer substrates. J Colloid Interface Sci 2024; 653:1763-1774. [PMID: 37832467 PMCID: PMC10593200 DOI: 10.1016/j.jcis.2023.09.188] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/05/2023] [Accepted: 09/30/2023] [Indexed: 10/15/2023]
Abstract
The emergence of antibiotic-resistant bacteria poses a pressing threat to global health and is a leading cause of healthcare-related morbidity and mortality. Herein, we report the fabrication of medical-grade polymers incorporated with a dual-action S-nitroso-N-acetylpenicillamine-functionalized ampicillin (SNAPicillin) conjugated molecule through a solvent evaporation process. The resulting SNAPicillin-incorporated polymer materials act as broad-spectrum antibacterial surfaces that improve the administration efficacy of conventional antibiotics through the targeted release of both nitric oxide and ampicillin. The polymer surfaces were characterized by scanning electron microscopy and static contact angle measurements. The nitric oxide (NO) release profile and diffusion of SNAPicillin from polymers were quantified using a chemiluminescence-based nitric oxide analyzer (NOA) and ultraviolet-visible (UV-vis) spectroscopy. As a result, the films had up to 2.96 × 10-7 mol cm-2 of total NO released within 24 hr. In addition, >79 % of the SNAPicillin reservoir was preserved in the polymers after 24 hr of incubation in the physiological environment, indicating their longer-term NO release ability and therapeutic window for antibacterial effects. The SNAPicillin-incorporated polymers reduced the viability of adhered bacteria in culture, with >95 % reduction found against clinically relevant strains of Staphylococcus aureus (S. aureus). Furthermore, SNAPicillin-modified surfaces did not elicit a cytotoxic effect toward 3T3 mouse fibroblast cells, supporting the material's biocompatibility in vitro. These results indicate that the complementary effects of NO-release and ampicillin in SNAPicillin-eluting polymers can enhance the properties of commonly infected medical device surfaces for antibacterial purposes.
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Affiliation(s)
- Yi Wu
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA 30602, United States
| | - Mark R Garren
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA 30602, United States
| | - Lori M Estes Bright
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA 30602, United States
| | - Patrick Maffe
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA 30602, United States
| | - Megan Brooks
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA 30602, United States
| | - Elizabeth J Brisbois
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA 30602, United States.
| | - Hitesh Handa
- School of Chemical, Materials and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA 30602, United States; Pharmaceutical and Biomedical Science Department, College of Pharmacy, University of Georgia, Athens, GA 30602, United States.
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Mu Z, Jin T, Chu T, Lu H, Chen Y, Li S, Zeng B, Huang C, Lei K, Cai X, Deng H, Hu R. Functionalized MoS 2-nanosheets with NIR-Triggered nitric oxide delivery and photothermal activities for synergistic antibacterial and regeneration-promoting therapy. J Nanobiotechnology 2023; 21:463. [PMID: 38044437 PMCID: PMC10694958 DOI: 10.1186/s12951-023-02167-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 10/18/2023] [Indexed: 12/05/2023] Open
Abstract
Bacterial infection in skin and soft tissue has emerged as a critical concern. Overreliance on antibiotic therapy has led to numerous challenges, including the emergence of multidrug-resistant bacteria and adverse drug reactions. It is imperative to develop non-antibiotic treatment strategies that not only exhibit potent antibacterial properties but also promote rapid wound healing and demonstrate biocompatibility. Herein, a novel multimodal synergistic antibacterial system (SNO-CS@MoS2) was developed. This system employs easily surface-modified thin-layer MoS2 as photothermal agents and loaded with S-nitrosothiol-modified chitosan (SNO-CS) via electrostatic interactions, thus realizing the combination of NO gas therapy and photothermal therapy (PTT). Furthermore, this surface modification renders SNO-CS@MoS2 highly stable and capable of binding with bacteria. Through PTT's thermal energy, SNO-CS@MoS2 rapidly generates massive NO, collaborating with PTT to achieve antibacterial effects. This synergistic therapy can swiftly disrupt the bacterial membrane, causing protein leakage and ATP synthesis function damage, ultimately eliminating bacteria. Notably, after effectively eliminating all bacteria, the residual SNO-CS@MoS2 can create trace NO to promote fibroblast migration, proliferation, and vascular regeneration, thereby accelerating wound healing. This study concluded that SNO-CS@MoS2, a novel multifunctional nanomaterial with outstanding antibacterial characteristics and potential to promote wound healing, has promising applications in infected soft tissue wound treatment.
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Affiliation(s)
- Zhixiang Mu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China
| | - Ting Jin
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China
| | - Tengda Chu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China
| | - Hongyang Lu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China
| | - Yuanqi Chen
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China
| | - Sisi Li
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China
| | - BaiRui Zeng
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China
| | - Chen Huang
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China
| | - Kezheng Lei
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China
| | - Xiaojun Cai
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China.
| | - Hui Deng
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China.
| | - Rongdang Hu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, Zhejiang, 325027, P.R. China.
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Chug MK, Griffin L, Garren M, Tharp E, Nguyen GH, Handa H, Brisbois EJ. Antimicrobial efficacy of a nitric oxide-releasing ampicillin conjugate catheter lock solution on clinically-isolated antibiotic-resistant bacteria. Biomater Sci 2023; 11:6561-6572. [PMID: 37594048 PMCID: PMC10529818 DOI: 10.1039/d3bm00775h] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
Antibiotic lock therapy (ALT) is standard clinical practice for treating bacteremia linked with catheter-related bloodstream infections (CRBSIs). However, this strategy frequently fails against multi-drug-resistant bacteria in clinical settings. In this study, a novel approach to utilize a nitric oxide (NO) donor S-nitroso-N-acetyl-penicillamine (SNAP)-conjugated to ampicillin antibiotic (namely SNAPicillin) as a catheter lock solution is presented. The conjugate of two antimicrobial agents is anticipated to overcome the challenges of bacterial infection caused by antibiotic-resistant bacteria in ALT applications. Nitric oxide release from the SNAPicillin lock solution at varying concentrations was measured at 0 and 24 h time points in a catheter model system, which revealed tunable NO release at physiological levels. The clinical strains of E. coli (CDC AR-0089) and S. marcescens (CDC AR-0099) were screened using a zone of inhibition assay against standard antibiotics which confirmed the antibiotic resistance in bacteria. The minimum inhibitory concentration (MIC) testing of SNAPicillin unveiled the lowest MIC value for SNAPicillin against both E. coli and S. marcescens (1 and 2 mM of SNAPicillin, respectively) with an 8.24- and 4.28-log reduction in bacterial load compared to controls, respectively. In addition, while the ampicillin-treated biofilm demonstrated resistance toward the antibiotic, SNAPicillin led to >99% reduction in exterminating biofilm buildup on polymeric catheter surfaces. Lastly, the SNAPicillin lock solution was determined to be biocompatible via hemolysis and cell compatibility studies. Together, these results emphasize the promising potential of SNAPicillin lock solution with the dual-action of NO and ampicillin in overcoming bacterial challenges on medical devices like central venous catheters and other medical device interfaces.
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Affiliation(s)
- Manjyot Kaur Chug
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, 30602, USA.
| | - Lauren Griffin
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, 30602, USA.
| | - Mark Garren
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, 30602, USA.
| | - Emma Tharp
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, 30602, USA.
| | - Grace H Nguyen
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, 30602, USA.
| | - Hitesh Handa
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, 30602, USA.
- Pharmaceutical and Biomedical Sciences Department, College of Pharmacy, University of Georgia, Athens, GA, 30602, USA
| | - Elizabeth J Brisbois
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, 30602, USA.
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