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Fiore L, Mazzaracchio V, Gosti C, Duranti L, Vitiello R, Maccauro G, Arduini F. Functionalized orthopaedic implant as pH electrochemical sensing tool for smart diagnosis of hardware infection. Analyst 2024; 149:3085-3096. [PMID: 38712737 DOI: 10.1039/d4an00253a] [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: 05/08/2024]
Abstract
In the orthopaedic surgery field, the use of medical implants to treat a patient's bone fracture is nowadays a common practice, nevertheless, it is associated with possible cases of infection. The consequent hardware infection can lead to implant failure and systemic infections, with prolonged hospitalization, time-consuming rehabilitation treatments, and extended antibiotic therapy. Hardware infections are strictly related to bacterial adhesion to the implant, leading to infection occurrence and consequent pH decreasing from physiological level to acid pH. Here, we demonstrate the new strategy to use an orthopaedic implant functionalized with iridium oxide film as the working electrode for the potentiometric monitoring of pH in hardware infection diagnosis. A functional investigation was focused on selecting the implant material, namely titanium, titanium alloy, and stainless steel, and the component, namely screws and implants. After selecting the titanium-based implant as the working electrode and a silver wire as the reference electrode in the final configuration of the smart sensing orthopaedic implant, a calibration curve was performed in standard solutions. An equation equal to y = (0.76 ± 0.02) - (0.068 ± 0.002) x, R2 = 0.996, was obtained in the pH range of 4-8. Subsequently, hysteresis, interference, matrix effect, recovery study, and storage stability were investigated to test the overall performance of the sensing device, demonstrating the tremendous potential of electrochemical sensors to deliver the next generation of smart orthopaedic implants.
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Affiliation(s)
- Luca Fiore
- Department of Chemical Science and Technologies, University of Rome "Tor Vergata", via della Ricerca Scientifica, 00133 Rome, Italy.
- SENSE4MED, Via Bitonto 139, 00133, Rome, Italy
| | - Vincenzo Mazzaracchio
- Department of Chemical Science and Technologies, University of Rome "Tor Vergata", via della Ricerca Scientifica, 00133 Rome, Italy.
| | - Christian Gosti
- Department of Chemical Science and Technologies, University of Rome "Tor Vergata", via della Ricerca Scientifica, 00133 Rome, Italy.
| | - Leonardo Duranti
- Department of Chemical Science and Technologies, University of Rome "Tor Vergata", via della Ricerca Scientifica, 00133 Rome, Italy.
| | - Raffaele Vitiello
- Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario Agostino Gemelli Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Giulio Maccauro
- Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario Agostino Gemelli Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Fabiana Arduini
- Department of Chemical Science and Technologies, University of Rome "Tor Vergata", via della Ricerca Scientifica, 00133 Rome, Italy.
- SENSE4MED, Via Bitonto 139, 00133, Rome, Italy
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Guo R, Kan YC, Xu Y, Han LY, Bu WH, Han LX, Qi YY, Chu JJ. Preparation and efficacy of antibacterial methacrylate monomer-based polymethyl methacrylate bone cement containing N-halamine compounds. Front Bioeng Biotechnol 2024; 12:1414005. [PMID: 38863494 PMCID: PMC11165117 DOI: 10.3389/fbioe.2024.1414005] [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: 04/15/2024] [Accepted: 05/08/2024] [Indexed: 06/13/2024] Open
Abstract
Introduction Our objective in this study was to prepare a novel type of polymethyl methacrylate (PMMA) bone cement, analyze its material properties, and evaluate its safety and antibacterial efficacy. Methods A halamine compound methacrylate antibacterial PMMA bone cement containing an N-Cl bond structure was formulated, and its material characterization was determined with Fourier transform infrared spectroscopy (FT-IR) and 1H-NMR. The antibacterial properties of the material were studied using contact bacteriostasis and releasing-type bacteriostasis experiments. Finally, in vitro and in vivo biocompatibility experiments were performed to analyze the toxic effects of the material on mice and embryonic osteoblast precursor cells (MC3T3-E1). Results Incorporation of the antibacterial methacrylate monomer with the N-halamine compound in the new antibacterial PMMA bone cement significantly increased its contact and releasing-type bacteriostatic performance against Staphylococcus aureus. Notably, at 20% and 25% additions of N-halamine compound, the contact and releasing-type bacteriostasis rates of bone cement samples reached 100% (p < 0.001). Furthermore, the new antibacterial bone cement containing 5%, 10%, and 15% N-halamine compounds showed good biocompatibility in vitro and in vivo. Conclusion In this study, we found that the novel antibacterial PMMA bone cement with N-halamine compound methacrylate demonstrated good contact and releasing-type bacteriostatic properties against S. aureus. In particular, bone cement containing a 15% N-halamine monomer exhibited strong antibacterial properties and good in vitro and in vivo biocompatibility.
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Affiliation(s)
- Rui Guo
- Department of Orthopedics, The Second People’s Hospital of Hefei, Hefei Hospital Affiliated to Anhui Medical University, Hefei, Anhui, China
- The Fifth Clinical Medical School of Anhui Medical University, Hefei, Anhui, China
| | - Yu-Chen Kan
- Department of Orthopedics, The Second People’s Hospital of Hefei, Hefei Hospital Affiliated to Anhui Medical University, Hefei, Anhui, China
- The Fifth Clinical Medical School of Anhui Medical University, Hefei, Anhui, China
| | - Yang Xu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
| | - Lu-Yang Han
- Department of Orthopedics, The Second People’s Hospital of Hefei, Hefei Hospital Affiliated to Anhui Medical University, Hefei, Anhui, China
| | - Wen-Han Bu
- Department of Orthopedics, The Second People’s Hospital of Hefei, Hefei Hospital Affiliated to Anhui Medical University, Hefei, Anhui, China
| | - Long-Xu Han
- Department of Orthopedics, The Second People’s Hospital of Hefei, Hefei Hospital Affiliated to Anhui Medical University, Hefei, Anhui, China
| | - Yin-Yu Qi
- Department of Orthopedics, The Second People’s Hospital of Hefei, Hefei Hospital Affiliated to Anhui Medical University, Hefei, Anhui, China
| | - Jian-Jun Chu
- Department of Orthopedics, The Second People’s Hospital of Hefei, Hefei Hospital Affiliated to Anhui Medical University, Hefei, Anhui, China
- The Fifth Clinical Medical School of Anhui Medical University, Hefei, Anhui, China
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Safaei M, Mohammadi H, Beddu S, Mozaffari HR, Rezaei R, Sharifi R, Moradpoor H, Fallahnia N, Ebadi M, Md Jamil MS, Md Zain AR, Yusop MR. Surface Topography Steer Soft Tissue Response and Antibacterial Function at the Transmucosal Region of Titanium Implant. Int J Nanomedicine 2024; 19:4835-4856. [PMID: 38828200 PMCID: PMC11141758 DOI: 10.2147/ijn.s461549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 04/10/2024] [Indexed: 06/05/2024] Open
Abstract
Metallic dental implants have been extensively used in clinical practice due to their superior mechanical properties, biocompatibility, and aesthetic outcomes. However, their integration with the surrounding soft tissue at the mucosal region remains challenging and can cause implant failure due to the peri-implant immune microenvironment. The soft tissue integration of dental implants can be ameliorated through different surface modifications. This review discussed and summarized the current knowledge of topography-mediated immune response and topography-mediated antibacterial activity in Ti dental implants which enhance soft tissue integration and their clinical performance. For example, nanopillar-like topographies such as spinules, and spikes showed effective antibacterial activity in human salivary biofilm which was due to the lethal stretching of bacterial membrane between the nanopillars. The key findings of this review were (I) cross-talk between surface nanotopography and soft tissue integration in which the surface nanotopography can guide the perpendicular orientation of collagen fibers into connective tissue which leads to the stability of soft tissue, (II) nanotubular array could shift the macrophage phenotype from pro-inflammatory (M1) to anti-inflammatory (M2) and manipulate the balance of osteogenesis/osteoclasia, and (III) surface nanotopography can provide specific sites for the loading of antibacterial agents and metallic nanoparticles of clinical interest functionalizing the implant surface. Silver-containing nanotubular topography significantly decreased the formation of fibrous encapsulation in per-implant soft tissue and showed synergistic antifungal and antibacterial properties. Although the Ti implants with surface nanotopography have shown promising in targeting soft tissue healing in vitro and in vivo through their immunomodulatory and antibacterial properties, however, long-term in vivo studies need to be conducted particularly in osteoporotic, and diabetic patients to ensure their desired performance with immunomodulatory and antibacterial properties. The optimization of product development is another challenging issue for its clinical translation, as the dental implant with surface nanotopography must endure implantation and operation inside the dental microenvironment. Finally, the sustainable release of metallic nanoparticles could be challenging to reduce cytotoxicity while augmenting the therapeutic effects.
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Affiliation(s)
- Mohsen Safaei
- Division of Dental Biomaterials, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Advanced Dental Sciences and Technology Research Center, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hossein Mohammadi
- Biomaterials Research Group, School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, Nibong Tebal, Penang, 14300, Malaysia
- Institute of Energy Infrastructure (IEI), Universiti Tenaga Nasional, Jalan IKRAM UNITEN, Kajang, Selangor, 43000, Malaysia
| | - Salmia Beddu
- Institute of Energy Infrastructure (IEI), Universiti Tenaga Nasional, Jalan IKRAM UNITEN, Kajang, Selangor, 43000, Malaysia
| | - Hamid Reza Mozaffari
- Department of Oral and Maxillofacial Medicine, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Razieh Rezaei
- Advanced Dental Sciences and Technology Research Center, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Roohollah Sharifi
- Department of Endodontics, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hedaiat Moradpoor
- Department of Prosthodontics, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Nima Fallahnia
- Students Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mona Ebadi
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM Bangi, Selangor, 43600, Malaysia
| | - Mohd Suzeren Md Jamil
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM Bangi, Selangor, 43600, Malaysia
| | - Ahmad Rifqi Md Zain
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, 43600, Malaysia
| | - Muhammad Rahimi Yusop
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM Bangi, Selangor, 43600, Malaysia
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Wang Q, Chen Y, Chen Y, Lv J, Ding H, Huang J, Huang J, Huang Z, Yang B, Zhang W, Fang X. Improved cure rate of periprosthetic joint infection through targeted antibiotic therapy based on integrated pathogen diagnosis strategy. Front Cell Infect Microbiol 2024; 14:1388385. [PMID: 38836059 PMCID: PMC11148460 DOI: 10.3389/fcimb.2024.1388385] [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: 02/19/2024] [Accepted: 04/18/2024] [Indexed: 06/06/2024] Open
Abstract
Objectives This study aimed to determine whether combined of pathogen detection strategies, including specimen acquisition, culture conditions, and molecular diagnostics, can improve treatment outcomes in patients with periprosthetic joint infections (PJI). Methods This retrospective study included suspected PJI cases from three sequential stages at our institution: Stage A (July 2012 to June 2015), Stage B (July 2015 to June 2018), and Stage C (July 2018 to June 2021). Cases were categorized into PJI and aseptic failure (AF) groups based on European Bone and Joint Infection Society (EBJIS) criteria. Utilization of pathogen diagnostic strategies, pathogen detection rates, targeted antibiotic prescription rates, and treatment outcomes were analyzed and compared across the three stages. Results A total of 165 PJI cases and 38 AF cases were included in this study. With the progressive implementation of the three optimization approaches across stages A, B and C, pathogen detection rates exhibited a gradual increase (χ2 = 8.282, P=0.016). Similarly, utilization of targeted antibiotic therapy increased stepwise from 57.1% in Stage A, to 82.3% in Stage B, and to 84% in Stage C (χ2 = 9.515, P=0.009). The 2-year infection control rate exceeded 90% in both stages B and C, surpassing stage A (71.4%) (χ2 = 8.317, P=0.011). Combined application of all three optimized protocols yielded the highest sensitivity of 91.21% for pathogen detection, while retaining higher specificity of 92.11%. Conclusion The utilization of combined pathogen diagnostic strategies in PJI can increase pathogen detection rates, improve targeted antibiotic prescription, reduce the occurrence of antibiotic complications, and achieve better treatment outcomes.
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Affiliation(s)
- Qijin Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Provincial Institute of Orthopedics, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, The Affiliated Mindong Hospital of Fujian Medical University, Fuan, China
| | - Yongfa Chen
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Provincial Institute of Orthopedics, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Yang Chen
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Provincial Institute of Orthopedics, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Jianhua Lv
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Provincial Institute of Orthopedics, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Haiqi Ding
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Provincial Institute of Orthopedics, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Jiagu Huang
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Provincial Institute of Orthopedics, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Jiexin Huang
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Provincial Institute of Orthopedics, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Zida Huang
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Provincial Institute of Orthopedics, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Bin Yang
- Department of Laboratory Medicine, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Wenming Zhang
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Provincial Institute of Orthopedics, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Xinyu Fang
- Department of Orthopaedic Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Department of Orthopaedic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
- Fujian Provincial Institute of Orthopedics, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
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Jiang Y, Wan Z, Liu Q, Li X, Jiang B, Guo M, Fan P, Du S, Xu D, Liu C. Enhancing antibacterial properties of titanium implants through a novel Ag-TiO 2-OTS nanocomposite coating: a comprehensive study on resist-killing-disintegrate approach. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024:1-22. [PMID: 38652755 DOI: 10.1080/09205063.2024.2344332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/22/2024] [Indexed: 04/25/2024]
Abstract
Titanium (Ti) implants are widely used in orthopedic and dental applications due to their excellent biocompatibility and mechanical properties. However, bacterial adhesion and subsequent biofilm formation on implant surfaces pose a significant risk of postoperative infections and complications. Conventional surface modifications often lack long-lasting antibacterial efficacy, necessitating the development of novel coatings with enhanced antimicrobial properties. This study aims to develop a novel Ag-TiO2-OTS (Silver-Titanium dioxide-Octadecyltrichlorosilane, ATO) nanocomposite coating, through a chemical plating method. By employing a 'resist-killing-disintegrate' approach, the coating is designed to inhibit bacterial adhesion effectively, and facilitate pollutant removal with lasting effects. Characterization of the coatings was performed using spectroscopy, electron microscopy, and contact angle analysis. Antibacterial efficacy, quantitatively evaluated against E. coli and S. aureus over 168 h, showed a significant reduction in bacterial adhesion by 76.6% and 66.5% respectively, and bacterial removal rates were up to 83.8% and 73.3% in comparison to uncoated Ti-base material. Additionally, antibacterial assays indicated that the ratio of the Lifshitz-van der Waals apolar component to electron donor surface energy components significantly influences bacterial adhesion and removal, underscoring a tunable parameter for optimizing antibacterial surfaces. Biocompatibility assessments with the L929 cell line revealed that the ATO coatings exhibited excellent biocompatibility, with minimal cytotoxicity and no significant impact on cell proliferation or apoptosis. The ATO coatings provided a multi-functionality surface that not only resists bacterial colonization but also possesses self-cleaning capabilities, thereby marking a substantial advancement in the development of antibacterial coatings for medical implants.
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Affiliation(s)
- Yu Jiang
- Department of Chemical Biology, School of Pharmaceutical Science, Capital Medical University, Beijing, China
| | - Zhou Wan
- Department of Beijing Anding Hospital, Capital Medical University, Beijing, China
| | - Qi Liu
- Department of Chemical Biology, School of Pharmaceutical Science, Capital Medical University, Beijing, China
| | - Xinxin Li
- Department of Chemical Biology, School of Pharmaceutical Science, Capital Medical University, Beijing, China
| | - Bo Jiang
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, Chongqing Institute for Food and Drug Control, Chongqing, China
| | - Mudan Guo
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, Chongqing Institute for Food and Drug Control, Chongqing, China
| | - Pengjue Fan
- Chongqing Zhengbo Biotech Ltd, Chongqing, China
| | - Siyi Du
- Chongqing Nankai Secondary School, Chongqing, China
| | - Doudou Xu
- NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, Chongqing Institute for Food and Drug Control, Chongqing, China
| | - Chen Liu
- Department of Chemical Biology, School of Pharmaceutical Science, Capital Medical University, Beijing, China
- Engineering Research Center of Endogenous Prophylactic of Ministry of Education of China, Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, China
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Lei Z, Liang H, Sun W, Chen Y, Huang Z, Yu B. A biodegradable PVA coating constructed on the surface of the implant for preventing bacterial colonization and biofilm formation. J Orthop Surg Res 2024; 19:175. [PMID: 38459593 PMCID: PMC10921624 DOI: 10.1186/s13018-024-04662-7] [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: 01/04/2024] [Accepted: 03/02/2024] [Indexed: 03/10/2024] Open
Abstract
BACKGROUND Bone implant infections pose a critical challenge in orthopedic surgery, often leading to implant failure. The potential of implant coatings to deter infections by hindering biofilm formation is promising. However, a shortage of cost-effective, efficient, and clinically suitable coatings persists. Polyvinyl alcohol (PVA), a prevalent biomaterial, possesses inherent hydrophilicity, offering potential antibacterial properties. METHODS This study investigates the PVA solution's capacity to shield implants from bacterial adhesion, suppress bacterial proliferation, and thwart biofilm development. PVA solutions at concentrations of 5%, 10%, 15%, and 20% were prepared. In vitro assessments evaluated PVA's ability to impede bacterial growth and biofilm formation. The interaction between PVA and mCherry-labeled Escherichia coli (E. coli) was scrutinized, along with PVA's therapeutic effects in a rat osteomyelitis model. RESULTS The PVA solution effectively restrained bacterial proliferation and biofilm formation on titanium implants. PVA solution had no substantial impact on the activity or osteogenic potential of MC3T3-E1 cells. Post-operatively, the PVA solution markedly reduced the number of Staphylococcus aureus and E. coli colonies surrounding the implant. Imaging and histological scores exhibited significant improvements 2 weeks post-operation. Additionally, no abnormalities were detected in the internal organs of PVA-treated rats. CONCLUSIONS PVA solution emerges as an economical, uncomplicated, and effective coating material for inhibiting bacterial replication and biofilm formation on implant surfaces, even in high-contamination surgical environments.
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Affiliation(s)
- Zhonghua Lei
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China
- Department of Orthopedics, The Sixth Peoples Hospital of Huizhou, Huizhou, 516211, China
| | - Haifeng Liang
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China
- Department of Orthopedics, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Wei Sun
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China
| | - Yan Chen
- Ultrasound Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China
| | - Zhi Huang
- Institute of Biomedical Engineering, School of Basic Medical Sciences, Central South University, Changsha, 410083, China.
| | - Bo Yu
- Orthopedic and Traumatology Department, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
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Nguyen QM, Hutchison P, Palombo E, Yu A, Kingshott P. Antibiofilm Activity of Eugenol-Loaded Chitosan Coatings against Common Medical-Device-Contaminating Bacteria. ACS APPLIED BIO MATERIALS 2024; 7:918-935. [PMID: 38275187 DOI: 10.1021/acsabm.3c00949] [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] [Indexed: 01/27/2024]
Abstract
The formation of pathogenic biofilms on medical devices is a major public health concern accounting for over 65% of healthcare-associated infections and causing high infection morbidity, mortality, and a great burden to patients and the healthcare system due to its resistance to treatment. In this study, we developed a chitosan-based antimicrobial coating with embedded mesoporous silica nanoparticles (MSNs) to load and deliver eugenol, an essential oil component, to inhibit the biofilm formation of common bacteria in medical-device-related infections. The eugenol-loaded MSNs were dispersed in a chitosan solution, which was then cross-linked with glutaraldehyde and drop-casted to obtain coatings. The MSNs and coatings were characterized by dynamic light scattering, Brunauer-Emmett-Teller analysis, attenuated-total-reflectance Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, 3D optical profilometry, and scanning electron microscopy. The release behavior of eugenol-loaded MSNs and coatings and the antibiofilm and antimicrobial activity of the coatings against adherent Staphylococcus aureus, methicillin-resistant S. aureus, and Pseudomonas aeruginosa were investigated. Eugenol was released from the MSNs and coatings in aqueous conditions in a controlled manner with an initial low release, followed by a peak release, a decrease, and a plateau. While the chitosan coatings alone or with unloaded MSNs demonstrated limited antimicrobial effects and still supported biofilm formation after 24 h, the coating containing eugenol not only reduced biofilm formation but also killed the majority of the attached bacteria. It also showed biocompatibility in indirect contact with NIH/3T3 fibroblasts and a high percentage of live cells in direct contact. However, further investigations into cell proliferation in direct contact are recommended. The findings indicated that the chitosan-based coating with eugenol-loaded MSNs could be developed into an effective strategy to inhibit biofilm formation on medical devices.
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Affiliation(s)
- Quang Minh Nguyen
- Department of Chemistry and Biotechnology, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
| | - Peter Hutchison
- Department of Chemistry and Biotechnology, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
| | - Enzo Palombo
- Department of Chemistry and Biotechnology, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
| | - Aimin Yu
- Department of Chemistry and Biotechnology, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
| | - Peter Kingshott
- Department of Chemistry and Biotechnology, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- ARC Training Centre in Surface Engineering for Advanced Materials, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
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Xu T, Liu P, Yang Y, Duan W, Zhang X, Huang D. Near-infrared Ⅱ light-assisted Cu-containing porous TiO 2 coating for combating implant-associated infection. Colloids Surf B Biointerfaces 2024; 234:113744. [PMID: 38183871 DOI: 10.1016/j.colsurfb.2024.113744] [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: 08/15/2023] [Revised: 12/02/2023] [Accepted: 01/02/2024] [Indexed: 01/08/2024]
Abstract
Treatment implant-associated infections remains a severe challenge in the clinical practice. This work focuses on the fabrication of Cu-containing porous TiO2 coatings on titanium (Ti) by a combination of magnetron sputtering and dealloying techniques. Additionally, photothermal therapy is employed to enhance the effect of Cu ions in preventing bacterial infection. After the dealloying, most of Cu element was removed from the magnetron sputtered Cu-containing films, and porous TiO2 coatings were prepared on Ti. The formation of porous nanostructures significantly enhanced the photothermal conversion performance under NIR-II light irradiation. The combined effect of hyperthermia and Cu ions demonstrated enhanced antibacterial activity in both in vitro and in vivo experiments, and the antibacterial efficiency can reach 99% against Streptococcus mutans. Moreover, the porous TiO2 coatings also exhibited excellent biocompatibility. This modification of the titanium surface structure through dealloying changes may offer a novel approach to enhance the antimicrobial properties of titanium implants.
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Affiliation(s)
- Tao Xu
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Panyue Liu
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Yongqiang Yang
- National Graphene Products Quality Inspection and Testing Center (Jiangsu), Special Equipment Safety Supervision Inspection Institute of Jiangsu Province, Wuxi 214174, China
| | - Wangping Duan
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan 030001, China.
| | - Xiangyu Zhang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China; Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan 030001, China; Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, China.
| | - Di Huang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China; Shanxi Key Laboratory of Biomedical Metal Materials, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
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Du Y, Wu T, Zhou W, Li C, Ding C, Chen P, Xie H, Qu J. Cicada Wing-Inspired Transparent Polystyrene Film Integrating Self-Cleaning, Antifogging, and Antibacterial Properties. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46538-46549. [PMID: 37729522 DOI: 10.1021/acsami.3c10214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
A transparent film integrating antifouling, antifogging, and antibacterial properties is crucial for its application as a protective mask, goggles, or lens. Herein, applying dynamic injection molding coupled with a bionic gradient template, a fast and efficient method is proposed for the preparation of the bionic polystyrene surface (BNPPS) with a cicada wing-inspired nanopillar structure. The contact angle of the BNPPS film increases continuously along the wing vein, while the sliding angle decreases continuously, mimicking the gradient wetting state of a cicada wing and providing excellent self-propelled removal properties for tiny water droplets. Notably, the BNPPS film has a transmittance higher than 90% and a reflectivity lower than 5% in the visible light range. Dyeing water, milk, juice, cola, and ink can slide smoothly from the BNPPS film surface without leaving any residue. Importantly, the nanopillars on the BNPPS film surface can penetrate and kill most of the Escherichia coli within 20 min. Therefore, the prepared BNPPS film with sufficient mechanical strength gathers the unique properties of the cicada wing together. The proposed research is expected to offer valuable guidance for fabricating self-cleaning, antifogging, and antibacterial optical devices that could be utilized in medical and vision systems operating in harsh environments.
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Affiliation(s)
- Yu Du
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
| | - Ting Wu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
| | - Weilong Zhou
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
| | - Cheng Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
- Kingfa Science and Technology Co., LTD., Guangzhou 510663, Guangdong, China
| | - Chao Ding
- Kingfa Science and Technology Co., LTD., Guangzhou 510663, Guangdong, China
| | - Pingxu Chen
- Kingfa Science and Technology Co., LTD., Guangzhou 510663, Guangdong, China
| | - Heng Xie
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
| | - Jinping Qu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
- Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Guangzhou 510640, Guangdong, China
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10
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Zhai S, Tian Y, Shi X, Liu Y, You J, Yang Z, Wu Y, Chu S. Overview of strategies to improve the antibacterial property of dental implants. Front Bioeng Biotechnol 2023; 11:1267128. [PMID: 37829564 PMCID: PMC10565119 DOI: 10.3389/fbioe.2023.1267128] [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: 07/26/2023] [Accepted: 09/14/2023] [Indexed: 10/14/2023] Open
Abstract
The increasing number of peri-implant diseases and the unsatisfactory results of conventional treatment are causing great concern to patients and medical staff. The effective removal of plaque which is one of the key causes of peri-implant disease from the surface of implants has become one of the main problems to be solved urgently in the field of peri-implant disease prevention and treatment. In recent years, with the advancement of materials science and pharmacology, a lot of research has been conducted to enhance the implant antimicrobial properties, including the addition of antimicrobial coatings on the implant surface, the adjustment of implant surface topography, and the development of new implant materials, and significant progress has been made in various aspects. Antimicrobial materials have shown promising applications in the prevention of peri-implant diseases, but meanwhile, there are some shortcomings, which leads to the lack of clinical widespread use of antimicrobial materials. This paper summarizes the research on antimicrobial materials applied to implants in recent years and presents an outlook on the future development.
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Affiliation(s)
| | | | | | | | | | | | | | - Shunli Chu
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
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11
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Naim G, Bruchiel-Spanier N, Betsis S, Eliaz N, Mandler D. Vat Polymerization by Three-Dimensional Printing and Curing of Antibacterial Zinc Oxide Nanoparticles Embedded in Poly(ethylene glycol) Diacrylate for Biomedical Applications. Polymers (Basel) 2023; 15:3586. [PMID: 37688212 PMCID: PMC10490083 DOI: 10.3390/polym15173586] [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: 08/14/2023] [Revised: 08/24/2023] [Accepted: 08/27/2023] [Indexed: 09/10/2023] Open
Abstract
Digital light processing (DLP) is a vat photopolymerization 3D printing technique with increasingly broad application prospects, particularly in personalized medicine, such as the creation of medical devices. Different resins and printing parameters affect the functionality of these devices. One of the many problems that biomedical implants encounter is inflammation and bacteria growth. For this reason, many studies turn to the addition of antibacterial agents to either the bulk material or as a coating. Zinc oxide nanoparticles (ZnO NPs) have shown desirable properties, including antibacterial activity with negligible toxicity to the human body, allowing their use in a wide range of applications. In this project, we developed a resin of poly(ethylene glycol) diacrylate (PEGDA), a cross-linker known for its excellent mechanical properties and high biocompatibility in a 4:1 weight ratio of monomers to water. The material's mechanical properties (Young's modulus, maximum elongation, and ultimate tensile strength) were found similar to those of human cartilage. Furthermore, the ZnO NPs embedding matrix showed strong antibacterial activity against Escherichia coli (E. coli) and Staphylococcus aureus (S.A.). As the ZnO NPs ratio was changed, only a minor effect on the mechanical properties of the material was observed, whereas strong antibacterial properties against both bacteria were achieved in the case of 1.5 wt.% NPs.
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Affiliation(s)
- Guy Naim
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel; (G.N.); (N.B.-S.); (S.B.)
| | - Netta Bruchiel-Spanier
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel; (G.N.); (N.B.-S.); (S.B.)
| | - Shelly Betsis
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel; (G.N.); (N.B.-S.); (S.B.)
| | - Noam Eliaz
- Department of Materials Science and Engineering, Tel-Aviv University, Tel Aviv 6997801, Israel;
| | - Daniel Mandler
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel; (G.N.); (N.B.-S.); (S.B.)
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12
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Yang G, Liu H, Li A, Liu T, Lu Q, He F. Antibacterial Structure Design of Porous Ti6Al4V by 3D Printing and Anodic Oxidation. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5206. [PMID: 37569910 PMCID: PMC10420244 DOI: 10.3390/ma16155206] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/18/2023] [Accepted: 06/27/2023] [Indexed: 08/13/2023]
Abstract
Titanium alloy Ti6Al4V is a commonly used bone implant material, primarily prepared as a porous material to better match the elastic modulus of human bone. However, titanium alloy is biologically inert and does not have antibacterial properties. At the same time, the porous structure with a large specific surface area also increases the risk of infection, leading to surgical failure. In this paper, we prepared three porous samples with different porosities of 60%, 75%, and 85%, respectively (for short, 3D-60, 3D-75, and 3D-85) using 3D printing technology and clarified the mechanical properties. Through tensile experiments, when the porosity was 60%, the compressive modulus was within the elastic modulus of human bone. Anodic oxidation technology carried out the surface modification of a 3D-printed porous titanium alloy with 60% porosity. Through change, the different voltages and times on the TiO2 oxide layer on the 3D-printed porous titanium alloy are different, and it reveals the growth mechanism of the TiO2 oxide layer on a 3D-printed unique titanium alloy. The surface hydrophilic and antibacterial properties of 3D-printed porous titanium alloy were significantly improved after modification by anodic oxidation.
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Affiliation(s)
- Guijun Yang
- School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China; (G.Y.); (H.L.); (A.L.)
- College of Chemical Engineering, Qinghai University, Xining 810016, China
| | - Houjiang Liu
- School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China; (G.Y.); (H.L.); (A.L.)
| | - Ang Li
- School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China; (G.Y.); (H.L.); (A.L.)
| | - Tiansheng Liu
- Tianjin Hospital, Tianjin University, Tianjin 300211, China
| | - Qiqin Lu
- College of Chemical Engineering, Qinghai University, Xining 810016, China
| | - Fang He
- School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China; (G.Y.); (H.L.); (A.L.)
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13
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Stogov MV, Dyuryagina OV, Silant'eva TA, Shipitsyna IV, Kireeva EA, Stepanov MA. Evaluation of Biocompatibility of New Osteoplastic Xenomaterials Containing Zoledronic Acid and Strontium Ranelate. TRAUMATOLOGY AND ORTHOPEDICS OF RUSSIA 2023; 30:57-73. [DOI: 10.17816/2311-2905-2035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/03/2023]
Abstract
Background. The problem of improving the functional characteristics of implanted devices and materials used in traumatology and orthopedics is a topical issue.
Aim of the study to study biocompatibility of bovine bone matrix xenomaterials modified by zoledronic acid and strontium ranelate when implanted into the bone defect cavity.
Methods. The study was performed on 24 male rabbits of the Soviet Chinchilla breed. Test blocks of bone matrix were implanted into the cavity of bone defects of the femur. Group 1 animals (n = 8, control group) were implanted with bone xenogenic material (Bio-Ost osteoplastic matrix). Group 2 animals (n = 8) were implanted with bone xenogenic material impregnated with zoledronic acid. Group 3 animals (n = 8) were implanted with bone xenogeneic material impregnated with strontium ranelate. Supercritical fluid extraction technology was used to purify the material and impregnate it with zoledronic acid and strontium ranelate. Radiological, pathomorphological, histological and laboratory (hematology and blood biochemistry) diagnostic methods were used to assess biocompatibility. Follow-up period was 182 days after implantation.
Results. It was found out that on the 182nd day after implantation the median area of the newly-formed bone tissue in the defect modeling area in Group 1 was 79%, in Group 2 0%, in Group 3 67%. In Group 2 the maximum area by this period was filled with connective tissue 77%. Median relative area of implanted material fragments in Group 1 was 4%, in Group 2 23%, in Group 3 15%. No infection or material rejection was observed in animals of all groups. There were no signs of intoxication or prolonged systemic inflammatory reaction. Laboratory parameters did not change significantly over time. One animal in each group experienced one-time increase in C-reactive protein level against the background of leukocytosis. Two animals in Group 1 had a slight migration of implanted material under the skin, one animal developed arthritis of the knee joint.
Conclusion. Osteoplastic materials based on bovine bone xenomatrix and filled with zoledronic acid and strontium ranelate have acceptable values of biocompatibility including their safety profile.
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14
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Moreno D, Buxadera-Palomero J, Ginebra MP, Manero JM, Martin-Gómez H, Mas-Moruno C, Rodríguez D. Comparison of the Antibacterial Effect of Silver Nanoparticles and a Multifunctional Antimicrobial Peptide on Titanium Surface. Int J Mol Sci 2023; 24:ijms24119739. [PMID: 37298690 DOI: 10.3390/ijms24119739] [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: 04/25/2023] [Revised: 05/26/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
Titanium implantation success may be compromised by Staphylococcus aureus surface colonization and posterior infection. To avoid this issue, different strategies have been investigated to promote an antibacterial character to titanium. In this work, two antibacterial agents (silver nanoparticles and a multifunctional antimicrobial peptide) were used to coat titanium surfaces. The modulation of the nanoparticle (≈32.1 ± 9.4 nm) density on titanium could be optimized, and a sequential functionalization with both agents was achieved through a two-step functionalization method by means of surface silanization. The antibacterial character of the coating agents was assessed individually as well as combined. The results have shown that a reduction in bacteria after 4 h of incubation can be achieved on all the coated surfaces. After 24 h of incubation, however, the individual antimicrobial peptide coating was more effective than the silver nanoparticles or their combination against Staphylococcus aureus. All tested coatings were non-cytotoxic for eukaryotic cells.
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Affiliation(s)
- Daniel Moreno
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Institut de Recerca Sant Joan de Déu, Santa Rosa, 39-57, 08950 Barcelona, Spain
| | - Judit Buxadera-Palomero
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Institut de Recerca Sant Joan de Déu, Santa Rosa, 39-57, 08950 Barcelona, Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Institut de Recerca Sant Joan de Déu, Santa Rosa, 39-57, 08950 Barcelona, Spain
- Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), Baldiri I Reixac 10, 08028 Barcelona, Spain
| | - José-María Manero
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Institut de Recerca Sant Joan de Déu, Santa Rosa, 39-57, 08950 Barcelona, Spain
| | - Helena Martin-Gómez
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
| | - Carlos Mas-Moruno
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Institut de Recerca Sant Joan de Déu, Santa Rosa, 39-57, 08950 Barcelona, Spain
| | - Daniel Rodríguez
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain
- Institut de Recerca Sant Joan de Déu, Santa Rosa, 39-57, 08950 Barcelona, Spain
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15
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Li M, Yu J, Guo G, Shen H. Interactions between Macrophages and Biofilm during Staphylococcus aureus-Associated Implant Infection: Difficulties and Solutions. J Innate Immun 2023; 15:499-515. [PMID: 37011602 PMCID: PMC10315156 DOI: 10.1159/000530385] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 03/16/2023] [Indexed: 04/05/2023] Open
Abstract
Staphylococcus aureus (S. aureus) biofilm is the major cause of failure of implant infection treatment that results in heavy social and economic burden on individuals, families, and communities. Planktonic S. aureus attaches to medical implant surfaces where it proliferates and is wrapped by extracellular polymeric substances, forming a solid and complex biofilm. This provides a stable environment for bacterial growth, infection maintenance, and diffusion and protects the bacteria from antimicrobial agents and the immune system of the host. Macrophages are an important component of the innate immune system and resist pathogen invasion and infection through phagocytosis, antigen presentation, and cytokine secretion. The persistence, spread, or clearance of infection is determined by interplay between macrophages and S. aureus in the implant infection microenvironment. In this review, we discuss the interactions between S. aureus biofilm and macrophages, including the effects of biofilm-related bacteria on the macrophage immune response, roles of myeloid-derived suppressor cells during biofilm infection, regulation of immune cell metabolic patterns by the biofilm environment, and immune evasion strategies adopted by the biofilm against macrophages. Finally, we summarize the current methods that support macrophage-mediated removal of biofilms and emphasize the importance of considering multi-dimensions and factors related to implant-associated infection such as immunity, metabolism, the host, and the pathogen when developing new treatments.
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Affiliation(s)
- Mingzhang Li
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jinlong Yu
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Geyong Guo
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hao Shen
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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16
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Maimaiti Z, Li Z, Xu C, Fu J, Hao LB, Chen JY, Chai W. Host Immune Regulation in Implant-Associated Infection (IAI): What Does the Current Evidence Provide Us to Prevent or Treat IAI? Bioengineering (Basel) 2023; 10:bioengineering10030356. [PMID: 36978747 PMCID: PMC10044746 DOI: 10.3390/bioengineering10030356] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/25/2023] [Accepted: 03/03/2023] [Indexed: 03/17/2023] Open
Abstract
The number of orthopedic implants for bone fixation and joint arthroplasty has been steadily increasing over the past few years. However, implant-associated infection (IAI), a major complication in orthopedic surgery, impacts the quality of life and causes a substantial economic burden on patients and societies. While research and study on IAI have received increasing attention in recent years, the failure rate of IAI has still not decreased significantly. This is related to microbial biofilms and their inherent antibiotic resistance, as well as the various mechanisms by which bacteria evade host immunity, resulting in difficulties in diagnosing and treating IAIs. Hence, a better understanding of the complex interactions between biofilms, implants, and host immunity is necessary to develop new strategies for preventing and controlling these infections. This review first discusses the challenges in diagnosing and treating IAI, followed by an extensive review of the direct effects of orthopedic implants, host immune function, pathogenic bacteria, and biofilms. Finally, several promising preventive or therapeutic alternatives are presented, with the hope of mitigating or eliminating the threat of antibiotic resistance and refractory biofilms in IAI.
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Affiliation(s)
- Zulipikaer Maimaiti
- Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing 100048, China
- Department of Orthopaedics, The First Medical Centre, Chinese PLA General Hospital, Beijing 100853, China
| | - Zhuo Li
- Department of Orthopaedics, The First Medical Centre, Chinese PLA General Hospital, Beijing 100853, China
- School of Medicine, Nankai University, Tianjin 300071, China
| | - Chi Xu
- Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing 100048, China
- Department of Orthopaedics, The First Medical Centre, Chinese PLA General Hospital, Beijing 100853, China
| | - Jun Fu
- Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing 100048, China
- Department of Orthopaedics, The First Medical Centre, Chinese PLA General Hospital, Beijing 100853, China
| | - Li-Bo Hao
- Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing 100048, China
- Department of Orthopaedics, The First Medical Centre, Chinese PLA General Hospital, Beijing 100853, China
| | - Ji-Ying Chen
- Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing 100048, China
- Department of Orthopaedics, The First Medical Centre, Chinese PLA General Hospital, Beijing 100853, China
- Correspondence: (J.-Y.C.); (W.C.)
| | - Wei Chai
- Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing 100048, China
- Department of Orthopaedics, The First Medical Centre, Chinese PLA General Hospital, Beijing 100853, China
- Correspondence: (J.-Y.C.); (W.C.)
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17
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Yang K, Liu D, Teng R, Li C, Fan Z, Du J. An Antibacterial Polypeptide Coating Prepared by In Situ Enzymatic Polymerization for Preventing Delayed Infection of Implants. ACS Biomater Sci Eng 2023; 9:1900-1908. [PMID: 36877006 DOI: 10.1021/acsbiomaterials.3c00131] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Delayed implant-associated infection is an important challenge, as the treatment involves a high risk of implant replacement. Mussel-inspired antimicrobial coatings can be applied to coat a variety of implants in a facile way, but the adhesive 3,4-dihydroxyphenylalanine (DOPA) group is prone to oxidation. Therefore, an antibacterial polypeptide copolymer poly(Phe7-stat-Lys10)-b-polyTyr3 was designed to prepare the implant coating upon tyrosinase-induced enzymatic polymerization for preventing implant-associated infections. Both poly(Phe7-stat-Lys10) and polyTyr3 blocks have specific functions: the former provides intrinsic antibacterial activity with a low risk to induce antimicrobial resistance, and the latter is attachable to the surface of implants to rapidly generate an antibacterial coating by in situ injection of polypeptide copolymer since tyrosine could be oxidized to DOPA under catalyzation of skin tyrosinase. This polypeptide coating with excellent antibacterial effect and desirable biofilm inhibition activity is promising for broad applications in a multitude of biomedical materials to combat delayed infections.
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Affiliation(s)
- Kexin Yang
- Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Danqing Liu
- Department of Orthopedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, China
| | - Runxin Teng
- Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Chang Li
- Department of Orthopedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, China.,Institute for Advanced Study, Tongji University, Shanghai 200092, China
| | - Zhen Fan
- Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China.,Institute for Advanced Study, Tongji University, Shanghai 200092, China
| | - Jianzhong Du
- Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China.,Department of Orthopedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, China
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18
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Canepa P, Gregurec D, Liessi N, Rotondi SMC, Moya SE, Millo E, Canepa M, Cavalleri O. Biofunctionalization of Porous Titanium Oxide through Amino Acid Coupling for Biomaterial Design. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16020784. [PMID: 36676545 PMCID: PMC9865921 DOI: 10.3390/ma16020784] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 05/27/2023]
Abstract
Porous transition metal oxides are widely studied as biocompatible materials for the development of prosthetic implants. Resurfacing the oxide to improve the antibacterial properties of the material is still an open issue, as infections remain a major cause of implant failure. We investigated the functionalization of porous titanium oxide obtained by anodic oxidation with amino acids (Leucine) as a first step to couple antimicrobial peptides to the oxide surface. We adopted a two-step molecular deposition process as follows: self-assembly of aminophosphonates to titanium oxide followed by covalent coupling of Fmoc-Leucine to aminophosphonates. Molecular deposition was investigated step-by-step by Atomic Force Microscopy (AFM) and X-ray Photoemission Spectroscopy (XPS). Since the inherent high roughness of porous titanium hampers the analysis of molecular orientation on the surface, we resorted to parallel experiments on flat titanium oxide thin films. AFM nanoshaving experiments on aminophosphonates deposited on flat TiO2 indicate the formation of an aminophosphonate monolayer while angle-resolved XPS analysis gives evidence of the formation of an oriented monolayer exposing the amine groups. The availability of the amine groups at the outer interface of the monolayer was confirmed on both flat and porous substrates by the following successful coupling with Fmoc-Leucine, as indicated by high-resolution XPS analysis.
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Affiliation(s)
- Paolo Canepa
- Dipartimento di Fisica and OPTMATLAB, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
| | - Danijela Gregurec
- Department of Chemistry and Pharmacy, Chair of Aroma and Smell Research, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schlossplatz 4, 91054 Erlangen, Germany
| | - Nara Liessi
- Dipartimento di Medicina Sperimentale, Università di Genova, Viale Benedetto XV 1, 16132 Genova, Italy
| | | | - Sergio Enrique Moya
- Soft Matter Nanotechnology Group, CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo Miramón 182, 20014 San Sebastián, Spain
| | - Enrico Millo
- Dipartimento di Medicina Sperimentale, Università di Genova, Viale Benedetto XV 1, 16132 Genova, Italy
| | - Maurizio Canepa
- Dipartimento di Fisica and OPTMATLAB, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
- INFN, Sezione di Genova, Via Dodecaneso 33, 16146 Genova, Italy
| | - Ornella Cavalleri
- Dipartimento di Fisica and OPTMATLAB, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
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Recent Advancements in Metallic Drug-Eluting Implants. Pharmaceutics 2023; 15:pharmaceutics15010223. [PMID: 36678852 PMCID: PMC9862589 DOI: 10.3390/pharmaceutics15010223] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/29/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Over the past decade, metallic drug-eluting implants have gained significance in orthopedic and dental applications for controlled drug release, specifically for preventing infection associated with implants. Recent studies showed that metallic implants loaded with drugs were substituted for conventional bare metal implants to achieve sustained and controlled drug release, resulting in a desired local therapeutic concentration. A number of secondary features can be provided by the incorporated active molecules, including the promotion of osteoconduction and angiogenesis, the inhibition of bacterial invasion, and the modulation of host body reaction. This paper reviews recent trends in the development of the metallic drug-eluting implants with various drug delivery systems in the past three years. There are various types of drug-eluting implants that have been developed to meet this purpose, depending on the drug or agents that have been loaded on them. These include anti-inflammatory drugs, antibiotics agents, growth factors, and anti-resorptive drugs.
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20
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Ge X, Li T, Yu M, Zhu H, Wang Q, Bi X, Xi T, Wu X, Gao Y. A review: strategies to reduce infection in tantalum and its derivative applied to implants. BIOMED ENG-BIOMED TE 2023:bmt-2022-0211. [PMID: 36587948 DOI: 10.1515/bmt-2022-0211] [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: 05/28/2022] [Accepted: 12/21/2022] [Indexed: 01/03/2023]
Abstract
Implant-associated infection is the main reasons for implant failure. Titanium and titanium alloy are currently the most widely used implant materials. However, they have limited antibacterial performance. Therefore, enhancing the antibacterial ability of implants by surface modification technology has become a trend of research. Tantalum is a potential implant coating material with good biological properties. With the development of surface modification technology, tantalum coating becomes more functional through improvement. In addition to improving osseointegration, its antibacterial performance has also become the focus of attention. In this review, we provide an overview of the latest strategies to improve tantalum antibacterial properties. We demonstrate the potential of the clinical application of tantalum in reducing implant infections by stressing its advantageous properties.
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Affiliation(s)
- Xiao Ge
- School of Stomatology, Weifang Medical University, Weifang, China
| | - Ti Li
- Department of Stomatology, Weifang People's Hospital, Weifang, China
| | - Miao Yu
- Department of Stomatology, Weifang People's Hospital, Weifang, China
| | - Hongguang Zhu
- Department of Stomatology, Weifang People's Hospital, Weifang, China
| | - Qing Wang
- Department of Stomatology, Weifang People's Hospital, Weifang, China
| | - Xiuting Bi
- Department of Stomatology, Weifang People's Hospital, Weifang, China
| | - Tiantian Xi
- School of Stomatology, Weifang Medical University, Weifang, China
| | - Xiaoyan Wu
- School of Stomatology, Weifang Medical University, Weifang, China
| | - Yubin Gao
- School of Stomatology, Weifang Medical University, Weifang, China
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Zhang X, Wang W, Chen J, Lai M. yPeptide GL13K releasing hydrogel functionalized micro/nanostructured titanium enhances its osteogenic and antibacterial activity. JOURNAL OF BIOMATERIALS SCIENCE, POLYMER EDITION 2022; 34:1036-1052. [DOI: 10.1080/09205063.2022.2155780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Xiaojing Zhang
- School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu 221116, China
| | - Weina Wang
- School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu 221116, China
| | - Jia Chen
- School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu 221116, China
| | - Min Lai
- School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu 221116, China
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22
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Dai Y, Mei J, Li Z, Kong L, Zhu W, Li Q, Wu K, Huang Y, Shang X, Zhu C. Acidity-Activatable Nanoparticles with Glucose Oxidase-Enhanced Photoacoustic Imaging and Photothermal Effect, and Macrophage-Related Immunomodulation for Synergistic Treatment of Biofilm Infection. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2204377. [PMID: 36216771 DOI: 10.1002/smll.202204377] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/31/2022] [Indexed: 06/16/2023]
Abstract
The pH-responsive theragnostics exhibit great potential for precision diagnosis and treatment of diseases. Herein, acidity-activatable nanoparticles of GB@P based on glucose oxidase (GO) and polyaniline are developed for treatment of biofilm infection. Catalyzed by GO, GB@P triggers the conversion of glucose into gluconic acid and hydrogen peroxide (H2 O2 ), enabling an acidic microenvironment-activated simultaneously enhanced photothermal (PT) effect/amplified photoacoustic imaging (PAI). The synergistic effects of the enhanced PT efficacy of GB@P and H2 O2 accelerate biofilm eradication because the penetration of H2 O2 into biofilm improves the bacterial sensitivity to heat, and the enhanced PT effect destroys the expressions of extracellular DNA and genomic DNA, resulting in biofilm destruction and bacterial death. Importantly, GB@P facilitates the polarization of proinflammatory M1 macrophages that initiates macrophage-related immunity, which enhances the phagocytosis of macrophages and secretion of proinflammatory cytokines, leading to a sustained bactericidal effect and biofilm eradication by the innate immunomodulatory effect. Accordingly, the nanoplatform of GB@P exhibits the synergistic effects on the biofilm eradication and bacterial residuals clearance through a combination of the enhanced PT effect with immunomodulation. This study provides a promising nanoplatform with enhanced PT efficacy and amplified PAI for diagnosis and treatment of biofilm infection.
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Affiliation(s)
- Yong Dai
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Jiawei Mei
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Zhe Li
- Department of Ultrasound, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230036, China
| | - Lingtong Kong
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Wanbo Zhu
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Qianming Li
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Kerong Wu
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Yan Huang
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Xifu Shang
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Chen Zhu
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China
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23
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Smart Bacteria-Responsive Drug Delivery Systems in Medical Implants. J Funct Biomater 2022; 13:jfb13040173. [PMID: 36278642 PMCID: PMC9589986 DOI: 10.3390/jfb13040173] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/27/2022] [Accepted: 09/29/2022] [Indexed: 11/06/2022] Open
Abstract
With the rapid development of implantable biomaterials, the rising risk of bacterial infections has drawn widespread concern. Due to the high recurrence rate of bacterial infections and the issue of antibiotic resistance, the common treatments of peri-implant infections cannot meet the demand. In this context, stimuli-responsive biomaterials have attracted attention because of their great potential to spontaneously modulate the drug releasing rate. Numerous smart bacteria-responsive drug delivery systems (DDSs) have, therefore, been designed to temporally and spatially release antibacterial agents from the implants in an autonomous manner at the infected sites. In this review, we summarized recent advances in bacteria-responsive DDSs used for combating bacterial infections, mainly according to the different trigger modes, including physical stimuli-responsive, virulence-factor-responsive, host-immune-response responsive and their combinations. It is believed that the smart bacteria-responsive DDSs will become the next generation of mainstream antibacterial therapies.
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Antibacterial Adhesion Strategy for Dental Titanium Implant Surfaces: From Mechanisms to Application. J Funct Biomater 2022; 13:jfb13040169. [PMID: 36278638 PMCID: PMC9589972 DOI: 10.3390/jfb13040169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 09/25/2022] [Accepted: 09/26/2022] [Indexed: 11/17/2022] Open
Abstract
Dental implants are widely used to restore missing teeth because of their stability and comfort characteristics. Peri-implant infection may lead to implant failure and other profound consequences. It is believed that peri-implantitis is closely related to the formation of biofilms, which are difficult to remove once formed. Therefore, endowing titanium implants with anti-adhesion properties is an effective method to prevent peri-implant infection. Moreover, anti-adhesion strategies for titanium implant surfaces are critical steps for resisting bacterial adherence. This article reviews the process of bacterial adhesion, the material properties that may affect the process, and the anti-adhesion strategies that have been proven effective and promising in practice. This article intends to be a reference for further improvement of the antibacterial adhesion strategy in clinical application and for related research on titanium implant surfaces.
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Liu T, Liu W, Zeng L, Wen Z, Xiong Z, Liao Z, Hu Y. Biofunctionalization of 3D Printed Porous Tantalum Using a Vancomycin-Carboxymethyl Chitosan Composite Coating to Improve Osteogenesis and Antibiofilm Properties. ACS APPLIED MATERIALS & INTERFACES 2022; 14:41764-41778. [PMID: 36087275 DOI: 10.1021/acsami.2c11715] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
3D-printed porous tantalum scaffold has been increasingly used in arthroplasty due to its bone-matching elastic modulus and good osteoinductive ability. However, the lack of antibacterial ability makes it difficult for tantalum to prevent the occurrence and development of periprosthetic joint infection. The difficulty and high cost of curing periprosthetic joint infection (PJI) and revision surgery limit the further clinical application of tantalum. Therefore, we fabricated vancomycin-loaded porous tantalum scaffolds by combining the chemical grafting of (3-aminopropyl)triethoxysilane (APTES) and the electrostatic assembly of carboxymethyl chitosan and vancomycin for the first time. Our in vitro experiments show that the scaffold achieves rapid killing of initially adherent bacteria and effectively prevents biofilm formation. In addition, our modification preserves the original excellent structure and biocompatibility of porous tantalum and promotes the generation of mineralized matrix and osteogenesis-related gene expression by mesenchymal stem cells on the surface of scaffolds. Through a rat subcutaneous infection model, the composite bioscaffold shows efficient bacterial clearance and inflammation control in soft tissue and creates an immune microenvironment suitable for tissue repair at an early stage. Combined with the economic friendliness and practicality of its preparation, this scaffold has great clinical application potential in the treatment of periprosthetic joint infection.
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Affiliation(s)
- Tuozhou Liu
- Department of Orthopeadics, Xiangya Hospital Central South University, Changsha 410008, P. R. China
- National Clinical Research Center for Geriatric Disorders (Xiangya Hospital), Changsha 410008, P. R. China
| | - Wenbin Liu
- Department of Orthopeadics, Xiangya Hospital Central South University, Changsha 410008, P. R. China
- National Clinical Research Center for Geriatric Disorders (Xiangya Hospital), Changsha 410008, P. R. China
| | - Liyi Zeng
- Centers for Disease Control and Prevention, Zhuzhou 412008, P. R. China
| | - Zhongchi Wen
- Department of Orthopeadics, Xiangya Hospital Central South University, Changsha 410008, P. R. China
- National Clinical Research Center for Geriatric Disorders (Xiangya Hospital), Changsha 410008, P. R. China
| | - Zixuan Xiong
- Department of Orthopeadics, Xiangya Hospital Central South University, Changsha 410008, P. R. China
- National Clinical Research Center for Geriatric Disorders (Xiangya Hospital), Changsha 410008, P. R. China
| | - Zhan Liao
- Department of Orthopeadics, Xiangya Hospital Central South University, Changsha 410008, P. R. China
- National Clinical Research Center for Geriatric Disorders (Xiangya Hospital), Changsha 410008, P. R. China
| | - Yihe Hu
- Department of Orthopeadics, The First Affiliated Hospital, Medical College of Zhejiang University, Hangzhou 311121, P. R. China
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Yang Y, Li M, Zhou B, Jiang X, Zhang D, Luo H. Graphene oxide/gallium nanoderivative as a multifunctional modulator of osteoblastogenesis and osteoclastogenesis for the synergistic therapy of implant-related bone infection. Bioact Mater 2022; 25:594-614. [PMID: 37056253 PMCID: PMC10087081 DOI: 10.1016/j.bioactmat.2022.07.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 06/24/2022] [Accepted: 07/12/2022] [Indexed: 11/30/2022] Open
Abstract
Currently, implant-associated bacterial infections account for most hospital-acquired infections in patients suffering from bone fractures or defects. Poor osseointegration and aggravated osteolysis remain great challenges for the success of implants in infectious scenarios. Consequently, developing an effective surface modification strategy for implants is urgently needed. Here, a novel nanoplatform (GO/Ga) consisting of graphene oxide (GO) and gallium nanoparticles (GaNPs) was reported, followed by investigations of its in vitro antibacterial activity and potential bacterium inactivation mechanisms, cytocompatibility and regulatory actions on osteoblastogenesis and osteoclastogenesis. In addition, the possible molecular mechanisms underlying the regulatory effects of GO/Ga nanocomposites on osteoblast differentiation and osteoclast formation were clarified. Moreover, an in vivo infectious microenvironment was established in a rat model of implant-related femoral osteomyelitis to determine the therapeutic efficacy and biosafety of GO/Ga nanocomposites. Our results indicate that GO/Ga nanocomposites with excellent antibacterial potency have evident osteogenic potential and inhibitory effects on osteoclast differentiation by modulating the BMP/Smad, MAPK and NF-κB signaling pathways. The in vivo experiments revealed that the administration of GO/Ga nanocomposites significantly inhibited bone infections, reduced osteolysis, promoted osseointegration located in implant-bone interfaces, and resulted in satisfactory biocompatibility. In summary, this synergistic therapeutic system could accelerate the bone healing process in implant-associated infections and can significantly guide the future surface modification of implants used in bacteria-infected environments.
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Affiliation(s)
- Ying Yang
- Department of Plastic Surgery, Xiangya Hospital, Central South University, Changsha, 410008, China
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
- Corresponding author. Department of Plastic Surgery, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, PR China.
| | - Min Li
- Department of Oncology, Changsha Central Hospital, University of South China, Changsha, 410006, China
| | - Bixia Zhou
- Department of Plastic Surgery, Xiangya Hospital, Central South University, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Xulei Jiang
- Department of Plastic Surgery, Xiangya Hospital, Central South University, Changsha, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Dou Zhang
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, China
| | - Hang Luo
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, China
- Corresponding author. State Key Laboratory of Powder Metallurgy, Central South University, 932 South Lushan Road, Changsha, 410083, Hunan, China.
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Sethuram L, Thomas J, Mukherjee A, Chandrasekaran N. A review on contemporary nanomaterial-based therapeutics for the treatment of diabetic foot ulcers (DFUs) with special reference to the Indian scenario. NANOSCALE ADVANCES 2022; 4:2367-2398. [PMID: 36134136 PMCID: PMC9418054 DOI: 10.1039/d1na00859e] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 04/06/2022] [Indexed: 05/08/2023]
Abstract
Diabetes mellitus (DM) is a predominant chronic metabolic syndrome, resulting in various complications and high mortality associated with diabetic foot ulcers (DFUs). Approximately 15-30% of diabetic patients suffer from DFUs, which is expected to increase annually. The major challenges in treating DFUs are associated with wound infections, alterations to inflammatory responses, angiogenesis and lack of extracellular matrix (ECM) components. Furthermore, the lack of targeted therapy and efficient wound dressings for diabetic wounds often results in extended hospitalization and limb amputations. Hence, it is essential to develop and improve DFU-specific therapies. Nanomaterial-based innovative approaches have tremendous potential for preventing and treating wound infections of bacterial origin. They have greater benefits compared to traditional wound dressing approaches. In this approach, the physiochemical features of nanomaterials allow researchers to employ different methods for diabetic wound healing applications. In this review, the status and prevalence of diabetes mellitus (DM) and amputations due to DFUs in India, the pathophysiology of DFUs and their complications are discussed. Additionally, nanomaterial-based approaches such as the use of nanoemulsions, nanoparticles, nanoliposomes and nanofibers for the treatment of DFUs are studied. Besides, emerging therapeutics such as bioengineered skin substitutes and nanomaterial-based innovative approaches such as antibacterial hyperthermia therapy and gene therapy for the treatment of DFUs are highlighted. The present nanomaterial-based techniques provide a strong base for future therapeutic approaches for skin regeneration strategies in the treatment of diabetic wounds.
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Affiliation(s)
- Lakshimipriya Sethuram
- Centre for Nanobiotechnology, Vellore Institute of Technology Vellore Tamilnadu India +91 416 2243092 +91 416 2202624
| | - John Thomas
- Centre for Nanobiotechnology, Vellore Institute of Technology Vellore Tamilnadu India +91 416 2243092 +91 416 2202624
| | - Amitava Mukherjee
- Centre for Nanobiotechnology, Vellore Institute of Technology Vellore Tamilnadu India +91 416 2243092 +91 416 2202624
| | - Natarajan Chandrasekaran
- Centre for Nanobiotechnology, Vellore Institute of Technology Vellore Tamilnadu India +91 416 2243092 +91 416 2202624
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Surgical Applications of Materials Engineered with Antimicrobial Properties. Bioengineering (Basel) 2022; 9:bioengineering9040138. [PMID: 35447700 PMCID: PMC9030825 DOI: 10.3390/bioengineering9040138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/17/2022] [Accepted: 03/24/2022] [Indexed: 02/06/2023] Open
Abstract
The infection of surgically placed implants is a problem that is both large in magnitude and that broadly affects nearly all surgical specialties. Implant-associated infections deleteriously affect patient quality-of-life and can lead to greater morbidity, mortality, and cost to the health care system. The impact of this problem has prompted extensive pre-clinical and clinical investigation into decreasing implant infection rates. More recently, antimicrobial approaches that modify or treat the implant directly have been of great interest. These approaches include antibacterial implant coatings (antifouling materials, antibiotics, metal ions, and antimicrobial peptides), antibacterial nanostructured implant surfaces, and antibiotic-releasing implants. This review provides a compendium of these approaches and the clinical applications and outcomes. In general, implant-specific modalities for reducing infections have been effective; however, most applications remain in the preclinical or early clinical stages.
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Hu W, Yu Y, Sun Y, Yuan F, Zhao F. MiR-25 overexpression inhibits titanium particle-induced osteoclast differentiation via down-regulation of mitochondrial calcium uniporter in vitro. J Orthop Surg Res 2022; 17:133. [PMID: 35241114 PMCID: PMC8895597 DOI: 10.1186/s13018-022-03030-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 02/18/2022] [Indexed: 11/10/2022] Open
Abstract
Background Mitochondrial calcium uniporter (MCU) is an important ion channel regulating calcium transport across the mitochondrial membrane. Calcium signaling, particularly via the Ca2+/NFATc1 pathway, has been identified as an important mediator of the osteoclast differentiation that leads to osteolysis around implants. The present study aimed to investigate whether down-regulation of MCU using microRNA-25 (miR-25) mimics could reduce osteoclast differentiation induced upon exposure to titanium (Ti) particles. Methods Ti particles were prepared. Osteoclast differentiation of RAW264.7 cells was induced by adding Ti particles and determined by TRAP staining. Calcium oscillation was determined using a dual-wavelength technique. After exposure of the cells in each group to Ti particles or control medium for 5 days, relative MCU and NFATc1 mRNA expression levels were determined by RT-qPCR. MCU and NFATc1 protein expression was determined by western blotting. NFATc1 activation was determined by immunofluorescence staining. Comparisons among multiple groups were conducted using one-way analysis of variance followed by Tukey test, and differences were considered significant if p < 0.05. Results MCU expression was reduced in response to miR-25 overexpression during the process of RAW 264.7 cell differentiation induced by Ti particles. Furthermore, osteoclast formation was inhibited, as evidenced by the low amplitude of calcium ion oscillation, reduced NFATc1 activation, and decreased mRNA and protein expression levels of nuclear factor-κB p65 and calmodulin kinases II/IV. Conclusions Regulation of MCU expression can impact osteoclast differentiation, and the underlying mechanism likely involves the Ca2+/NFATc1 signal pathway. Therefore, MCU may be a promising target in the development of new strategies to prevent and treat periprosthetic osteolysis. Supplementary Information The online version contains supplementary material available at 10.1186/s13018-022-03030-7.
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Affiliation(s)
- Weifan Hu
- Department of Orthopedics, The People's Hospital of Jiawang District of Xuzhou, Xuzhou, 221000, People's Republic of China.,Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai Road, Quanshan District, Xuzhou City, Jiangsu Province, 221000, People's Republic of China
| | - Yongbo Yu
- Department of Orthopedics, The People's Hospital of Jiawang District of Xuzhou, Xuzhou, 221000, People's Republic of China
| | - Yang Sun
- Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai Road, Quanshan District, Xuzhou City, Jiangsu Province, 221000, People's Republic of China
| | - Feng Yuan
- Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai Road, Quanshan District, Xuzhou City, Jiangsu Province, 221000, People's Republic of China
| | - Fengchao Zhao
- Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai Road, Quanshan District, Xuzhou City, Jiangsu Province, 221000, People's Republic of China.
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30
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Liang J, Wang J, Shen X, Lu B, Li G, Wang H, Wang H, Yuan L. A Novel Antibacterial Gold Nanoparticles Layer with Self-Cleaning Ability by the Production of Oxygen Bubbles. J Mater Chem B 2022; 10:4203-4215. [DOI: 10.1039/d2tb00258b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bacterial contamination of medical devices not only constitutes a serious threat to the health of patients, but also promotes the evolution of bacterial drug-resistance. Here, a new strategy to fabricate...
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31
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Maher S, Linklater D, Rastin H, Liao STY, Martins de Sousa K, Lima-Marques L, Kingshott P, Thissen H, Ivanova EP, Losic D. Advancing of 3D-Printed Titanium Implants with Combined Antibacterial Protection Using Ultrasharp Nanostructured Surface and Gallium-Releasing Agents. ACS Biomater Sci Eng 2021; 8:314-327. [PMID: 34963288 DOI: 10.1021/acsbiomaterials.1c01030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
This paper presents the development of advanced Ti implants with enhanced antibacterial activity. The implants were engineered using additive manufacturing three-dimensional (3D) printing technology followed by surface modification with electrochemical anodization and hydrothermal etching, to create unique hierarchical micro/nanosurface topographies of microspheres covered with sharp nanopillars that can mechanically kill bacteria in contact with the surface. To achieve enhanced antibacterial performance, fabricated Ti implant models were loaded with gallium nitrate as an antibacterial agent. The antibacterial efficacy of the fabricated substrates with the combined action of sharp nanopillars and locally releasing gallium ions (Ga3+) was evaluated toward Staphylococcus aureus and Pseudomonas aeruginosa. Results confirm the significant antibacterial performance of Ga3+-loaded substrates with a 100% eradication of bacteria. The nanopillars significantly reduced bacterial attachment and prevented biofilm formation while also killing any bacteria remaining on the surface. Furthermore, 3D-printed surfaces with microspheres of diameter 5-30 μm and interspaces of 12-35 μm favored the attachment of osteoblast-like MG-63 cells, as confirmed via the assessment of their attachment, proliferation, and viability. This study provides important progress toward engineering of next-generation 3D-printed implants, that combine surface chemistry and structure to achieve a highly efficacious antibacterial surface with dual cytocompatibility to overcome the limitations of conventional Ti implants.
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Affiliation(s)
- Shaheer Maher
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia.,Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Denver Linklater
- College of STEM, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Hadi Rastin
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Sandy Tzu-Ying Liao
- College of STEM, School of Science, RMIT University, Melbourne, VIC 3000, Australia.,Department of Chemistry and Biotechnology, School of Science, Swinburne University of Technology, Hawthorn, VIC 3022, Australia.,Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, Australia
| | | | - Luis Lima-Marques
- The Institute for Photonics and Advanced Sensing, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Peter Kingshott
- Department of Chemistry and Biotechnology, School of Science, Swinburne University of Technology, Hawthorn, VIC 3022, Australia.,Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, Australia
| | - Helmut Thissen
- Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, Australia.,CSIRO Manufacturing, Clayton, VIC 3168, Australia
| | - Elena P Ivanova
- College of STEM, School of Science, RMIT University, Melbourne, VIC 3000, Australia.,Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, Australia
| | - Dusan Losic
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia
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Rostami S, Tekkeşin AI, Ercan UK, Garipcan B. Biomimetic sharkskin surfaces with antibacterial, cytocompatible, and drug delivery properties. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 134:112565. [DOI: 10.1016/j.msec.2021.112565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 11/02/2021] [Accepted: 11/21/2021] [Indexed: 11/29/2022]
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