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Hassan S, Bilal N, Khan TJ, Ali MN, Ghafoor B, Saif KU. Bioinspired chitosan based functionalization of biomedical implant surfaces for enhanced hemocompatibility, antioxidation and anticoagulation potential: an in silico and in vitro study. RSC Adv 2024; 14:20691-20713. [PMID: 38952927 PMCID: PMC11215499 DOI: 10.1039/d4ra00796d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 06/17/2024] [Indexed: 07/03/2024] Open
Abstract
Endowing implanted biomaterials with better hemocompatibility, anticoagulation, antioxidant and antiplatelet adhesion is necessary because of their potential to trigger activation of multiple reactive mechanisms including coagulation cascade and potentially causing serious adverse clinical events like late thrombosis. Active ingredients from natural sources including Foeniculum vulgare, Angelica sinensis, and Cinnamomum verum have the ability to inhibit the coagulation cascade and thrombus formation around biomedical implants. These properties are of interest for the development of a novel drug for biomedical implants to potentially solve the current blood clotting and coagulation problems which lead to stent thrombosis. The objective of this study was to incorporate different anticoagulants from natural sources into a degradable matrix of chitosan with varying concentrations ranging from 5% to 15% and a composite containing all three drugs. The presence of anticoagulant constituents was identified using GC-MS. Subsequently, all the compositions were characterized principally by using Fourier transform infrared spectroscopy and scanning electron microscopy while the drug release profile was determined using UV-spectrometry for a 30 days immersion period. The results indicated an initial burst release which was subsequently followed by the sustained release pattern. Compared to heparin loaded chitosan, DPPH and hemolysis tests revealed better blood compatibility of natural drug loaded films. Moreover, the anticoagulation activity of natural drugs was equivalent to the heparin loaded film; however, through docking, the mechanism of inhibition of the coagulation cascade of the novel drug was found to be through blocking the extrinsic pathway. The study suggested that the proposed drug composite expresses an optimum composition which may be a practicable and appropriate candidate for biomedical implant coatings.
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Affiliation(s)
- Sadia Hassan
- School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology Islamabad Pakistan
| | - Namra Bilal
- Nencki Institute of Experimental Biology Poland
| | - Tooba Javaid Khan
- School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology Islamabad Pakistan
| | - Murtaza Najabat Ali
- School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology Islamabad Pakistan
| | - Bakhtawar Ghafoor
- School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology Islamabad Pakistan
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Zhang W, Du J, Kanwal F, Batoo KM, Aslam M, Liu C, Zhu T, Hussain S, Fayyaz Ur Rehman M, Wang R. Study on PTFE superhydrophobic coating modified by IC@dMSNs and its enhanced antibacterial effect. J Adv Res 2024:S2090-1232(24)00169-3. [PMID: 38688357 DOI: 10.1016/j.jare.2024.04.026] [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: 09/10/2023] [Revised: 03/28/2024] [Accepted: 04/26/2024] [Indexed: 05/02/2024] Open
Abstract
INTRODUCTION Vascular catheter-related infections and thrombosis are common and may lead to serious complications after catheterization. Reducing the incidence of such infections has become a significant challenge. OBJECTIVES This study aims to develop a super hydrophobic nanocomposite drug-loaded vascular catheter that can effectively resist bacterial infections and blood coagulation. METHODS In this study, a SiO2 nanocoated PTFE (Polytetrafluoroethylene) catheter (PTFE-SiO2) was prepared and further optimized to prepare a SiO2 nanocoated PTFE catheter loaded with imipenem/cilastatin sodium (PTFE-IC@dMSNs). The catheters were characterized for performance, cell compatibility, anticoagulant performance, in vitro and in vivo antibacterial effect and biological safety. RESULTS PTFE-IC@dMSNs catheter has efficient drug loading performance and drug release rate and has good cell compatibility and anticoagulant effect in vitro. Compared with the PTFE-SiO2 catheter, the inhibition ring of the PTFE-IC@dMSNs catheter against Escherichia coli increased from 3.98 mm2 to 4.56 mm2, and the antibacterial rate increased from about 50.8 % to 56.9 %, with a significant difference (p < 0.05). The antibacterial zone against Staphylococcus aureus increased from 8.63 mm2 to 11.74 mm2, and the antibacterial rate increased from approximately 83.5 % to 89.3 %, showing a significant difference (p < 0.05). PTFE-IC@dMSNs catheter also has good biocompatibility in vivo. Furthermore, the PTFE-IC@dMSNs catheter can reduce the adhesion of blood cells and have excellent anticoagulant properties, and even maintain these properties even with the addition of imipenem/cilastatin sodium. CONCLUSION Compared with PTFE, PTFE-SiO2 and PTFE-IC@dMSNs catheters have good characterization performance, cell compatibility, and anticoagulant properties. PTFE SiO2 and PTFE-IC@dMSNs catheters have good antibacterial performance and tissue safety against E. coli and S. aureus. Relatively, PTFE-SiO2 and PTFE-IC@dMSNs catheter has better antibacterial properties and histocompatibility and has potential application prospects in anti-bacterial catheter development and anticoagulation.
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Affiliation(s)
- Weixing Zhang
- Department of Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, 650 Xinsongjiang Rd., Shanghai 201600, PR China
| | - Juan Du
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center of Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Non-coding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, 333 Longteng Rd., Shanghai 201620, PR China; Institute for Frontier Materials, Deakin University, Geelong, Victoria 3200, Australia.
| | - Fariha Kanwal
- Department of Chemistry, Chemical Engineering, and Biotechnology, Donghua University, Shanghai 201620, China
| | - Khalid Mujasam Batoo
- King Abdullah Institute For Nanotechnology, King Saud University, P.O. Box-2455, Riyadh 11451, Saudi Arabia
| | - Mehwish Aslam
- School of Biological Sciences, University of the Punjab, Lahore 54600, Pakistan
| | - Cihui Liu
- Center for Future Optoelectronic Functional Materials, School of Computer and Electronic Information/School of Artificial Intelligence, Nanjing Normal University, Nanjing 210023, China.
| | - Tonghe Zhu
- School of Chemistry and Chemical Engineering, Shanghai Engineering Research Center of Pharmaceutical Intelligent Equipment, Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Non-coding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, 333 Longteng Rd., Shanghai 201620, PR China
| | - Sajjad Hussain
- Hybrid Materials Center (HMC), Sejong University, Seoul 05006, Republic of Korea; Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 05006, Republic of Korea
| | | | - Ruilan Wang
- Department of Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, 650 Xinsongjiang Rd., Shanghai 201600, PR China.
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Wang K, Yu Y, Li W, Li D, Li H. Preparation of fully bio-based multilayers composed of heparin-like carboxymethylcellulose sodium and chitosan to functionalize poly (l-lactic acid) film for cardiovascular implant applications. Int J Biol Macromol 2023; 231:123285. [PMID: 36682649 DOI: 10.1016/j.ijbiomac.2023.123285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/25/2022] [Accepted: 01/11/2023] [Indexed: 01/22/2023]
Abstract
In this study, heparin-like polysaccharides were successfully produced by sulfation of carboxymethylcellulose sodium, then a fully biobased bilayer composed of sulfated carboxymethylcellulose sodium (SCMC) and chitosan (CS) was composited on the surface of Poly (L-lactic acid) (PLA) through layer-by-layer (LBL) assembly for the potential blood-contact application such as bioresorbable vascular scaffold. The preliminary structure and bioactivity of SCMC with different degree of sulfation were investigated, and the SCMC with best performance was selected. The surface chemical compositions, morphologies and wettability of SCMC/CS multilayer-modified PLA films were researched by X-ray photoelectron spectrometer, scanning electron microscopy and water contact angle meter. A series of anticoagulation tests of SCMC/CS multilayer-modified PLA films were performed. In term of (SCMC/CS)15 multilayer-modified PLA film, the protein adsorption and plate adhesion decreased by 44.6 % and 71.5 %, respectively, the activated partial thromboplastin time prolonged by 11.9 times and thrombin time exceed 300 s, the contact activation and hemolysis rate significantly reduced compared with unmodified PLA film. Besides, this modified PLA films performed good cytocompatibility to L929 fibroblast cells, excellent anti-inflammatory and antibacterial abilities. In conclusion, the multifunctional SCMC/CS multilayer-modified PLA films with hemocompatibility, cytocompatibility, anti-inflammatory and antibacterial properties may have promising potential in future clinical applications.
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Affiliation(s)
- Kun Wang
- Faculty of Food Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Ying Yu
- Faculty of Food Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Wei Li
- Faculty of Food Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Da Li
- Université Paris Cité, CNRS, Laboratoire de Chimie et de Biochimie Pharmacologiques et Toxicologiques, F-75006 Paris, France
| | - Hui Li
- Faculty of Food Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
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Dai S, Gao Y, Duan L. Recent advances in hydrogel coatings for urinary catheters. J Appl Polym Sci 2023. [DOI: 10.1002/app.53701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Simin Dai
- Polymeric and Soft Materials Laboratory, School of Chemistry and Life Science and Advanced Institute of Materials Science Changchun University of Technology Changchun People's Republic of China
| | - Yang Gao
- Polymeric and Soft Materials Laboratory, School of Chemical Engineering and Advanced Institute of Materials Science Changchun University of Technology Changchun People's Republic of China
| | - Lijie Duan
- Polymeric and Soft Materials Laboratory, School of Chemistry and Life Science and Advanced Institute of Materials Science Changchun University of Technology Changchun People's Republic of China
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Eren ED, Guisong G, Mingming L, Bingchun Z, Ke Y, Shanshan C. A novel chitosan and polydopamine interlinked bioactive coating for metallic biomaterials. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2022; 33:65. [PMID: 36138240 PMCID: PMC9499904 DOI: 10.1007/s10856-022-06688-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 08/19/2022] [Indexed: 06/16/2023]
Abstract
Chitosan coatings have shown good bioactive properties such as antibacterial and antiplatelet properties, especially on blood-contacted biomedical materials. However, as blood-contacted biomedical device, the intravascular metal stent has a burden with adverse effects on the structural integrity, such as mechanical load during implantation and substrate degradation if a biodegradable metal is used as the substrate. It is unquestionably true that the structural integrity of the coated stent is essential. The adhesion strength between the coating and the substrate positively affects it. Silane and polydopamine (PDA) interstitial layers have been investigated to improve the corrosion resistance, biosafety and adhesion strength. This work addressed this challenge by using PDA as an intermediate and glutaraldehyde as a linking agent to establish a strong link between the polymer coating and the intermediate coating. Compared with PDA-only and glutaraldehyde-linked silane layer, the novel coating displayed a notable increase in adhesion. When compared with the bare Ni-free stainless steel, the performance of the novel coating was not significantly different. This novel chitosan film on the glutaraldehyde linked-PDA interface can be applied to various metallic substrates where synergic bioactive and anticorrosive effects of PDA interstitial coating and chitosan are needed. Graphical abstract.
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Affiliation(s)
- Erişen Deniz Eren
- School of Material Science and Engineering, University of Science and Technology of China, 230026, Hefei, China
- Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, 110016, Shenyang, China
| | - Gu Guisong
- University of Science and Technology of Liaoning, Anshan, China
| | | | - Zhang Bingchun
- Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, 110016, Shenyang, China
| | - Yang Ke
- Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, 110016, Shenyang, China.
| | - Chen Shanshan
- Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, 110016, Shenyang, China.
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Gu G, Erişen DE, Yang K, Zhang B, Shen M, Zou J, Qi X, Chen S, Xu X. Antibacterial and anti-inflammatory activities of chitosan/copper complex coating on medical catheters: In vitro and in vivo. J Biomed Mater Res B Appl Biomater 2022; 110:1899-1910. [PMID: 35253986 DOI: 10.1002/jbm.b.35047] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 02/11/2022] [Accepted: 02/22/2022] [Indexed: 12/21/2022]
Abstract
Copper ions (Cu) grafted chitosan coating was prepared using the pneumatic spraying method on the silicone rubber surface. Coating's surface properties, morphology, composition, Cu releasing behavior, antibacterial, and anti-inflammatory activities are investigated and discussed. Surface properties, composition, and morphology were investigated by scanning electron microscopy (SEM) and contact angle measurements. The antibacterial activity has been tested with Escherichia coli and Staphylococcus aureus suspensions in vitro. Besides, the morphology of the biofilm was inspected with a field emission SEM. To evaluate the anti-inflammatory activity and biosafety of the coating in vivo, the optimized coating samples and control groups were implanted subcutaneously into the back of mice. The bacterial environment model was established by injection of the bacterial suspension. The morphology and bacterial adhered on the surface of catheters and the surrounding tissues were analyzed after 5 days of implantation. As in vitro results, the number of adhered bacterial on the surface of the silicon rubber surface was decreased, and the anti-inflammatory rate was increased by the intensify of the Cu content in chitosan coating. As for in vivo results, after 5 days of implantation, there was no evident inflammation in the surrounding tissues of all catheters in all without the S. aureus injected group. In the injected chitosan/Cu coated group; the inflammation, the number of the adhered bacteria were observed less than other injected samples without Cu; no inflammation were noticeable. Results indicate that the Cu-modified chitosan coating can confer excellent antibacterial and anti-inflammatory activity as applied on medical catheters.
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Affiliation(s)
- Guisong Gu
- Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China.,School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, China
| | - Deniz Eren Erişen
- Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China.,School of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, China
| | - Ke Yang
- Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China
| | - Bingchun Zhang
- Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China
| | - Minggang Shen
- School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan, China
| | - Jingyu Zou
- Department of Neurosurgery, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xun Qi
- Key Laboratory of Diagnostic Imaging and Interventional Radiology of Liaoning Province, Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Shanshan Chen
- Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, Liaoning, China
| | - Xiaohe Xu
- Department of Ophthalmology, Shengjing Hospital of China Medical University, Shenyang, China
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Makhlynets OV, Caputo GA. Characteristics and therapeutic applications of antimicrobial peptides. BIOPHYSICS REVIEWS 2021; 2:011301. [PMID: 38505398 PMCID: PMC10903410 DOI: 10.1063/5.0035731] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 12/31/2020] [Indexed: 12/20/2022]
Abstract
The demand for novel antimicrobial compounds is rapidly growing due to the phenomenon of antibiotic resistance in bacteria. In response, numerous alternative approaches are being taken including use of polymers, metals, combinatorial approaches, and antimicrobial peptides (AMPs). AMPs are a naturally occurring part of the immune system of all higher organisms and display remarkable broad-spectrum activity and high selectivity for bacterial cells over host cells. However, despite good activity and safety profiles, AMPs have struggled to find success in the clinic. In this review, we outline the fundamental properties of AMPs that make them effective antimicrobials and extend this into three main approaches being used to help AMPs become viable clinical options. These three approaches are the incorporation of non-natural amino acids into the AMP sequence to impart better pharmacological properties, the incorporation of AMPs in hydrogels, and the chemical modification of surfaces with AMPs for device applications. These approaches are being developed to enhance the biocompatibility, stability, and/or bioavailability of AMPs as clinical options.
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Affiliation(s)
- Olga V. Makhlynets
- Department of Chemistry, Syracuse University, 111 College Place, Syracuse, New York 13244, USA
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