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Wang Y, Yang X, Yang Z, Xia H, Si X, Hao J, Yan D, Li H, Peng K, Sun J, Shi C, Li H, Li W. Additive-free Absorbable Keratin Sponge With Procoagulant Activity for Noncompressible Hemostasis. Biomacromolecules 2024; 25:3930-3945. [PMID: 38820501 DOI: 10.1021/acs.biomac.4c00084] [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: 06/02/2024]
Abstract
The development of a natural, additive-free, absorbable sponge with procoagulant activity for noncompressible hemostasis remains a challenging task. In this study, we extracted high molecular weight keratin (HK) from human hair and transformed it into a hemostatic sponge with a well-interconnected pore structure using a foaming technique, freeze-drying, and oxidation cross-linking. By controlling the cross-linking degree, the resulting sponge demonstrated excellent liquid absorption ability, shape recovery characteristics, and robust mechanical properties. The HK10 sponge exhibited rapid liquid absorption, expanding up to 600% within 5 s. Moreover, the HK sponge showed superior platelet activation and blood cell adhesion capabilities. In SD rat liver defect models, the sponges demonstrated excellent hemostatic performance by sealing the wound and expediting coagulation, reducing the hemostatic time from 825 to 297 s. Furthermore, HK sponges have excellent biosafety, positioning them as a promising absorbable sponge with the potential for the treatment of noncompressible hemostasis.
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Affiliation(s)
- Yuzhen Wang
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, 1 Yonglian Street, Wenzhou, Zhejiang 325000, China
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Xiao Yang
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, 1 Yonglian Street, Wenzhou, Zhejiang 325000, China
| | - Ziwei Yang
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Hangbin Xia
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Xiaoqin Si
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, 1 Yonglian Street, Wenzhou, Zhejiang 325000, China
| | - Jiahui Hao
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Dongxue Yan
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Huili Li
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Ke Peng
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, 1 Yonglian Street, Wenzhou, Zhejiang 325000, China
| | - Jie Sun
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
| | - Changcan Shi
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, 1 Yonglian Street, Wenzhou, Zhejiang 325000, China
| | - Huaqiong Li
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, 1 Yonglian Street, Wenzhou, Zhejiang 325000, China
| | - Wenzhong Li
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, 270 Xueyuan West Road, Wenzhou, Zhejiang 325027, China
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Kozuka Y, Masuda T, Isu N, Takai M. Antimicrobial Peptide Assembly on Zwitterionic Polymer Films to Slow Down Biofilm Formation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:7029-7037. [PMID: 38520398 DOI: 10.1021/acs.langmuir.4c00086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/25/2024]
Abstract
Formation of biofilms on equipment used in various fields, such as medicine, domestic sanitation, and marine transportation, can cause serious problems. The use of antibiofouling and bactericidal modifications is a promising strategy for inhibiting bacterial adhesion and biofilm formation. To further enhance the antibiofilm properties of a surface, various combinations of bactericidal modifications alongside antibiofouling modifications have been developed. Optimization of the arrangements of antimicrobial peptides on the antibiofouling surface would allow us to design longer-life antibiofilm surface modifications. In this study, a postmodification was conducted with different design using the antimicrobial peptide KR12 on an antibiofouling copolymer film consisting of 2-methacryloyloxyethyl phosphorylcholine, 3-methacryloxypropyl trimethoxysilane, and 3-(methacryloyloxy) propyl-tris(trimethylsilyloxy) silane. The distance of KR12 from the film was adjusted by combining different lengths of poly(ethylene glycol) (PEG) spacers (molecular weights are 2000 and 5000). The density of KR12 was ranged from 0.06 to 0.22 nm-2. When these modified surfaces were exposed to a nutrient-rich TSB suspension, the bacterial area formed by E. coli covered 5-127% of the original copolymer film. We found that a significant distance between the bactericidal and antibiofouling modifications, along with a higher density of bactericidal modifications, slows down the biofilm formation.
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Affiliation(s)
- Yuta Kozuka
- Department of Bioengineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, 113-8656 Tokyo, Japan
| | - Tsukuru Masuda
- Department of Bioengineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, 113-8656 Tokyo, Japan
| | - Norifumi Isu
- LIXIL Corporation, 2-1-1 Ojima, Koto-ku, 136-8535 Tokyo, Japan
| | - Madoka Takai
- Department of Bioengineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, 113-8656 Tokyo, Japan
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Singh A, Sharma JJ, Mohanta B, Sood A, Han SS, Sharma A. Synthetic and biopolymers-based antimicrobial hybrid hydrogels: a focused review. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024; 35:675-716. [PMID: 37943320 DOI: 10.1080/09205063.2023.2278814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/29/2023] [Indexed: 11/10/2023]
Abstract
The constantly accelerating occurrence of microbial infections and their antibiotic resistance has spurred advancement in the field of material sciences and has guided the development of novel materials with anti-bacterial properties. To address the clinical exigencies, the material of choice should be biodegradable, biocompatible, and able to offer prolonged antibacterial effects. As an attractive option, hydrogels have been explored globally as a potent biomaterial platform that can furnish essential antibacterial attributes owing to its three-dimensional (3D) hydrophilic polymeric network, adequate biocompatibility, and cellular adhesion. The current review focuses on the utilization of different antimicrobial hydrogels based on their sources (natural and synthetic). Further, the review also highlights the strategies for the generation of hydrogels with their advantages and disadvantages and their applications in different biomedical fields. Finally, the prospects in the development of hydrogels-based antimicrobial biomaterials are discussed along with some key challenges encountered during their development and clinical translation.
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Affiliation(s)
- Anand Singh
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, India
| | - Janmay Jai Sharma
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, India
| | - Billeswar Mohanta
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, India
| | - Ankur Sood
- School of Chemical Engineering, Yeungnam University, Gyeongsan, South Korea
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, Gyeongsan, South Korea
| | - Anirudh Sharma
- Department of Biotechnology, Jaypee Institute of Information Technology, Noida, India
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Xu X, Wang Q, Xu X, Han Q, Nie X, Ding X, Liu X, Li J, Shi Q, Dong H. Unconventional luminescent CS-PEC-based composite hemostasis sponge with antibacterial activity and visual monitoring for wound healing. Int J Biol Macromol 2024; 261:129735. [PMID: 38281531 DOI: 10.1016/j.ijbiomac.2024.129735] [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: 09/21/2023] [Revised: 01/02/2024] [Accepted: 01/22/2024] [Indexed: 01/30/2024]
Abstract
Multifunctional wound dressings are promising medical materials for various applications. Among them, dressings with antimicrobial activity, high biosafety, and real-time monitoring have attracted considerable research interest. Herein, a biodegradable hemostatic sponge comprising a chitosan skeleton and polyelectrolyte-surfactant complex (CS-PEC) was developed as a versatile wound dressing for wound pH monitoring and inhibition of bacterial infection. CS-PEC sponge with high porosity exhibited satisfactory fluid absorption capacity and biocompatibility, along with antibacterial properties against E. coli and S. aureus. In vivo experiments in rat liver trauma model revealed that wounds treated with the CS-PEC sponge recorded less blood loss (97.1 mg) and shorter hemostasis time (27.2 s) than those treated with commercial gelatin sponge (309.1 mg and 163.5 s, respectively). Furthermore, PECs based on unconventional luminescent molecules (L-C16-Hyp) were used as pH fluorescent indicators, which endowed the sponge with fluorescence-responsive behavior to wound pH changes in the range of 5.0-8.5. Visual images can be captured using a smartphone and converted to RGB color mode values for on-site assessment of wound status. This study sheds light on the design and application of unconventional luminescent materials in wound dressing and provides a smart and effective solution for wound management.
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Affiliation(s)
- Xin Xu
- Key Laboratory of Superlight Materials & Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Qingwu Wang
- Key Laboratory of Superlight Materials & Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Xiaodong Xu
- Key Laboratory of Superlight Materials & Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China.
| | - Qiaoyi Han
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Xiaojuan Nie
- Key Laboratory of Superlight Materials & Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Xu Ding
- Key Laboratory of Superlight Materials & Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Xia Liu
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, PR China.
| | - Junqing Li
- Key Laboratory of Superlight Materials & Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
| | - Qiang Shi
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China.
| | - Hongxing Dong
- Key Laboratory of Superlight Materials & Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China
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5
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Chen Y, Qian H, Peng D, Jiang Y, Liu Q, Tan Y, Feng L, Cheng B, Li G. Antimicrobial peptide-modified AIE visual composite wound dressing for promoting rapid healing of infected wounds. Front Bioeng Biotechnol 2024; 11:1338172. [PMID: 38283168 PMCID: PMC10811172 DOI: 10.3389/fbioe.2023.1338172] [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: 11/14/2023] [Accepted: 12/18/2023] [Indexed: 01/30/2024] Open
Abstract
Wound infection is a major problem faced during wound healing. Therefore, it is necessary to develop wound dressings with excellent antimicrobial properties. Here, a smart response system of PVA-TPE/HA-AMP/SF/ALG wound dressing was prepared by a combination of chemical cross-linking and freeze-drying methods. We grafted AMP onto HA to endow the wound dressing with bacterial resistance and slow release of AMP. At the same time, the system detects bacterial activity in real time for precise antimicrobial activity (through the use of PVA-TPE) and modulates inflammation to reduce bacterial infection (through the use of AMP). In addition, the PVA-TPE/HA-AMP/SF/ALG wound dressing has a good three-dimensional mesh structure, which promotes cell proliferation, enhances collagen deposition and angiogenesis, and thus effectively promotes rapid healing of infected wounds. Moreover, it can induce the expression of inflammatory factors such as VEGF, TNF-α, IFN-γ, IL-4 and TGF-β1 in infected wounds through the Wnt/CAMK/p-PKC signaling pathway, inhibit inflammatory responses, promote wound healing and reduce scar formation. Therefore, the PVA-TPE/HA-AMP/SF/ALG wound dressing smart response system shows great promise in infected wound healing.
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Affiliation(s)
- Yi Chen
- Department of Cadre Ward, General Hospital of Southern Theater Command, Guangzhou, China
| | - Hongjin Qian
- Department of Cadre Ward, General Hospital of Southern Theater Command, Guangzhou, China
| | - Dandan Peng
- Department of Oncology, General Hospital of Southern Theater Command, Guangzhou, China
| | - Yan Jiang
- Department of Cadre Ward, General Hospital of Southern Theater Command, Guangzhou, China
| | - Qiaolin Liu
- Department of Oncology, General Hospital of Southern Theater Command, Guangzhou, China
| | - Yan Tan
- Department of Cadre Ward, General Hospital of Southern Theater Command, Guangzhou, China
| | - Longbao Feng
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Guangdong Provincial Engineering and Technological Research Centre for Drug Carrier Development, Jinan University, Guangzhou, China
| | - Biao Cheng
- Department of Burns and Plastic Surgery, General Hospital of Southern Theater Command, Guangzhou, China
| | - Guilan Li
- Department of Neurosurgery, General Hospital of Southern Theater Command, Guangzhou, China
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Selvaraj SP, Chen JY. Conjugation of antimicrobial peptides to enhance therapeutic efficacy. Eur J Med Chem 2023; 259:115680. [PMID: 37515922 DOI: 10.1016/j.ejmech.2023.115680] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/05/2023] [Accepted: 07/23/2023] [Indexed: 07/31/2023]
Abstract
The growing prevalence of antimicrobial resistance (AMR) has brought with it a continual increase in the numbers of deaths from multidrug-resistant (MDR) infections. Since the current arsenal of antibiotics has become increasingly ineffective, there exists an urgent need for discovery and development of novel antimicrobials. Antimicrobial peptides (AMPs) are considered to be a promising class of molecules due to their broad-spectrum activities and low resistance rates compared with other types of antibiotics. Since AMPs also often play major roles in elevating the host immune response, the molecules may also be called "host defense peptides." Despite the great promise of AMPs, the majority remain unsuitable for clinical use due to issues of structural instability, degradation by proteases, and/or toxicity to host cells. Moreover, AMP activities in vivo can be influenced by many factors, such as interaction with blood and serum biomolecules, physiological salt concentrations or different pH values. To overcome these limitations, structural modifications can be made to the AMP. Among several modifications, physical and chemical conjugation of AMP to other biomolecules is widely considered an effective strategy. In this review, we discuss structural modification strategies related to conjugation of AMPs and their possible effects on mode of action. The conjugation of fatty acids, glycans, antibiotics, photosensitizers, polymers, nucleic acids, nanoparticles, and immobilization to biomaterials are highlighted.
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Affiliation(s)
- Sanjay Prasad Selvaraj
- Molecular and Biological Agricultural Science Program, Taiwan International Graduate Program, Academia Sinica, Taipei, 11529, Taiwan; Graduate Institute of Biotechnology, National Chung Hsing University, Taichung, 402, Taiwan
| | - Jyh-Yih Chen
- Marine Research Station, Institute of Cellular and Organismic Biology, Academia Sinica, 23-10 Dahuen Rd, Jiaushi, Ilan, 262, Taiwan; The iEGG and Animal Biotechnology Center and the Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, 402, Taiwan.
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Sang F, Yang X, Hao J, Wang Y, Si X, Li X, Pan L, Ma Z, Shi C. Wool keratin/zeolitic imidazolate framework-8 composite shape memory sponge with synergistic hemostatic performance for rapid hemorrhage control. J Mater Chem B 2023; 11:10234-10251. [PMID: 37869993 DOI: 10.1039/d3tb01660a] [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: 10/24/2023]
Abstract
Uncontrollable hemorrhage and subsequent wound infection pose severe threats to life, especially in the case of deep, non-compressible, massive bleeding. Here, a wool keratin/zeolitic imidazolate framework-8 (WK/ZIF-8) composite shape memory sponge is prepared by incorporating ZIF-8 nanoparticles into wool keratin. The combination of keratin and ZIF-8 particles not only reduces the effect of ZIF-8 particles on cell viability but also bolsters the mechanical properties of the keratin sponge and endows it with antibacterial efficacy. Due to the synergistic effect of the excellent hemostatic performance of keratin and Zn2+ release from ZIF-8 nanoparticles, the porous structure suitable for blood cell adhesion and the shape recovery ability of sponges, the WK/ZIF-8 composite sponge exhibits superior hemostatic performance to commercial medical sponges in SD rat and rabbit hemorrhage models. In addition, in vitro and in vivo antibacterial experiments demonstrate the anti-infection activity of the composite sponge. Overall, the WK/ZIF-8 composite sponge provides a promising approach to rapidly control bleeding and promote wound healing.
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Affiliation(s)
- Feng Sang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China.
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Xiao Yang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China.
| | - Jiahui Hao
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China.
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Yuzhen Wang
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Xiaoqin Si
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China.
| | - Xujian Li
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China.
| | - Luqi Pan
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China.
| | - Zhaipu Ma
- School of Life Sciences, Hebei University, Baoding, Hebei 071000, China.
| | - Changcan Shi
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China.
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
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Du F, A W, Liu F, Wu B, Liu Y, Zheng W, Feng W, Li G, Wang X. Hydrophilic chitosan/graphene oxide composite sponge for rapid hemostasis and non-rebleeding removal. Carbohydr Polym 2023; 316:121058. [PMID: 37321741 DOI: 10.1016/j.carbpol.2023.121058] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 05/18/2023] [Accepted: 05/23/2023] [Indexed: 06/17/2023]
Abstract
Hydrophilic hemostatic sponge plays an important role in trauma bleeding control because of its robust coagulant functions. However, its strong tissue adhesion can easily result in wound tear and rebleeding during removing the sponge. Herein, the design of a hydrophilic anti-adhesive chitosan/graphene oxide composite sponge (CSAG) that possesses stable mechanical strength, rapid liquid absorption and strong intrinsic/extrinsic coagulation stimulations, is reported. For one thing, CSAG exhibits outstanding hemostatic performance, which significantly outperforms two commercial hemostats in two in vivo serious bleeding models. For another, CSAG shows low tissue adhesion; its peeling force is approximately 79.3 % lower than the commercial gauze. Moreover, in the peeling process, CSAG triggers partial detachment of the blood scab, because of the exist of bubbles or cavities at the interface, allowing the CSAG to be easily and safely peeled off from the wound without rebleeding. This study opens new avenues in constructing anti-adhesive trauma hemostatic materials.
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Affiliation(s)
- Fanglin Du
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Wenjing A
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Fang Liu
- Department of Oncology of Integrative Chinese and Western Medicine, China-Japan Friendship Hospital, Beijing 100029, China
| | - Bingxin Wu
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Yichun Liu
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Weitao Zheng
- Hubei Provincial Key Laboratory of Industrial Microbiology, Sino-German Biomedical Center, National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan 430068, Hubei Province, China
| | - Wenli Feng
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Guofeng Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China.
| | - Xing Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, PR China
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9
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Nepal A, Tran HD, Nguyen NT, Ta HT. Advances in haemostatic sponges: Characteristics and the underlying mechanisms for rapid haemostasis. Bioact Mater 2023; 27:231-256. [PMID: 37122895 PMCID: PMC10130630 DOI: 10.1016/j.bioactmat.2023.04.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/29/2023] [Accepted: 04/07/2023] [Indexed: 05/02/2023] Open
Abstract
In traumatized patients, the primary cause of mortality is uncontrollable continuous bleeding and unexpected intraoperative bleeding which is likely to increase the risk of complications and surgical failure. High expansion sponges are effective clinical practice for the treatment of wound bleeding (irregular/deep/narrow) that are caused by capillaries, veins and even arterioles as they possess a high liquid absorption ratio so can absorb blood platelets easily in comparison with traditional haemostasis treatments, which involve compression, ligation, or electrical coagulation etc. When in contact with blood, haemostatic sponges can cause platelet adhesion, aggregation, and thrombosis, preventing blood from flowing out from wounds, triggering the release of coagulation factors, causing the blood to form a stable polymerized fibre protein, forming blood clots, and achieving the goal of wound bleeding control. Haemostatic sponges are found in a variety of shapes and sizes. The aim of this review is to facilitate an overview of recent research around haemostatic sponge materials, products, and technology. This paper reviews the synthesis, properties, and characteristics of haemostatic sponges, together with the haemostasis mechanisms of haemostatic sponges (composite materials), such as chitosan, cellulose, gelatin, starch, graphene oxide, hyaluronic acid, alginate, polyethylene glycol, silk fibroin, synthetic polymers silver nanoparticles, zinc oxide nanoparticles, mesoporous silica nanoparticles, and silica nanoparticles. Also, this paper reviews commercial sponges and their properties. In addition to this, we discuss various in-vitro/in-vivo approaches for the evaluation of the effect of sponges on haemostasis.
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Affiliation(s)
- Akriti Nepal
- Queensland Micro-and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
| | - Huong D.N. Tran
- Queensland Micro-and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St Lucia, Queensland, 4072, Australia
| | - Nam-Trung Nguyen
- Queensland Micro-and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
| | - Hang Thu Ta
- Queensland Micro-and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St Lucia, Queensland, 4072, Australia
- Bioscience Discipline, School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Corresponding author. Bioscience Department, School of Environment and Science, Griffith University, Nathan Campus, Brisbane, QLD, 4111, Australia..
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10
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Xu Q, Hu E, Qiu H, Liu L, Li Q, Lu B, Yu K, Lu F, Xie R, Lan G, Zhang Y. Catechol-chitosan/carboxymethylated cotton-based Janus hemostatic patch for rapid hemostasis in coagulopathy. Carbohydr Polym 2023; 315:120967. [PMID: 37230633 DOI: 10.1016/j.carbpol.2023.120967] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/25/2023] [Accepted: 04/26/2023] [Indexed: 05/27/2023]
Abstract
Uncontrolled bleeding is the leading cause of death, and the death risk of bleeding from coagulopathy is even higher. By infusing the relevant coagulation factors, bleeding in patients with coagulopathy can be clinically treated. However, there are not many emergency hemostatic products accessible for coagulopathy patients. In response, a Janus hemostatic patch (PCMC/CCS) with a two-layer structure of partly carboxymethylated cotton (PCMC) and catechol-grafted chitosan (CCS) was developed. Ultra-high blood absorption (4000 %) and excellent tissue adhesion (60 kPa) were both displayed by PCMC/CCS. The proteomic analysis revealed that PCMC/CCS has significantly contributed to the creative generation of FV, FIX, and FX, as well as to the substantial enrichment of FVII and FXIII, re-paving the initially blocked coagulation pathway of coagulopathy to promote hemostasis. The in vivo bleeding model of coagulopathy demonstrated that PCMC/CCS was substantially more effective than gauze and commercial gelatin sponge at achieving hemostasis in just 1 min. The study provides one of the first investigations on procoagulant mechanisms in anticoagulant blood conditions. Rapid hemostasis in coagulopathy will be significantly affected by the results of this experiment.
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Affiliation(s)
- Qian Xu
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Enling Hu
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China; Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, Chongqing 400715, China; School of Fashion and Textiles, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Haoyu Qiu
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Lu Liu
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Qing Li
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Bitao Lu
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Kun Yu
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China; Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, Chongqing 400715, China
| | - Fei Lu
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China; Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, Chongqing 400715, China
| | - Ruiqi Xie
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China; Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, Chongqing 400715, China; School of Fashion and Textiles, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Guangqian Lan
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China; Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, Chongqing 400715, China.
| | - Yuansong Zhang
- State Key Laboratory of Silkworm Genome Biology, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China; Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, Chongqing 400715, China
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11
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Chen R, Du F, Yuan Q. Multifunctional Sodium Hyaluronate/Chitosan Foam Used as an Absorbable Hemostatic Material. Bioengineering (Basel) 2023; 10:868. [PMID: 37508894 PMCID: PMC10376295 DOI: 10.3390/bioengineering10070868] [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: 05/29/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
Absorbable hemostatic materials have great potential in clinical hemostasis. However, their single coagulation mechanism, long degradation cycles, and limited functionality mean that they have restricted applications. Here, we prepared a sodium hyaluronate/carboxymethyl chitosan absorbable hemostatic foam (SHCF) by combining high-molecular-weight polysaccharide sodium hyaluronate with carboxymethyl chitosan via hydrogen bonding. SHCFs have rapid liquid absorption performance and can enrich blood cells. They transform into a gel when it they come into contact with blood, and are more easily degraded in this state. Meanwhile, SHCFs have multiple coagulation effects and promote hemostasis. In a rabbit liver bleeding model, SHCFs reduced the hemostatic time by 85% and blood loss by 80%. In three severe and complex bleeding models of porcine liver injury, uterine wall injury, and bone injury, bleeding was well-controlled and anti-tissue adhesion effects were observed. In addition, degradation metabolism studies show that SHCFs are 93% degraded within one day and almost completely metabolized within three weeks. The absorbable hemostatic foam developed in this study is multifunctional; with rapid hemostasis, anti-adhesion, and rapid degradation properties, it has great clinical potential for in vivo hemostasis.
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Affiliation(s)
- Ran Chen
- Laboratory of Biosynthesis and Efficient Separation of Natural Active Ingrediens, Beijing University of Chemical Technology, Beijing 100029, China
| | - Fanglin Du
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Qipeng Yuan
- Laboratory of Biosynthesis and Efficient Separation of Natural Active Ingrediens, Beijing University of Chemical Technology, Beijing 100029, China
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12
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Cai D, Weng W. Development potential of extracellular matrix hydrogels as hemostatic materials. Front Bioeng Biotechnol 2023; 11:1187474. [PMID: 37383519 PMCID: PMC10294235 DOI: 10.3389/fbioe.2023.1187474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/02/2023] [Indexed: 06/30/2023] Open
Abstract
The entry of subcutaneous extracellular matrix proteins into the circulation is a key step in hemostasis initiation after vascular injury. However, in cases of severe trauma, extracellular matrix proteins are unable to cover the wound, making it difficult to effectively initiate hemostasis and resulting in a series of bleeding events. Acellular-treated extracellular matrix (ECM) hydrogels are widely used in regenerative medicine and can effectively promote tissue repair due to their high mimic nature and excellent biocompatibility. ECM hydrogels contain high concentrations of extracellular matrix proteins, including collagen, fibronectin, and laminin, which can simulate subcutaneous extracellular matrix components and participate in the hemostatic process. Therefore, it has unique advantages as a hemostatic material. This paper first reviewed the preparation, composition and structure of extracellular hydrogels, as well as their mechanical properties and safety, and then analyzed the hemostatic mechanism of the hydrogels to provide a reference for the application and research, and development of ECM hydrogels in the field of hemostasis.
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13
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Near-infrared light-responsive multifunctional hydrogel releasing peptide-functionalized gold nanorods sequentially for diabetic wound healing. J Colloid Interface Sci 2023; 639:369-384. [PMID: 36812853 DOI: 10.1016/j.jcis.2023.02.078] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 01/16/2023] [Accepted: 02/14/2023] [Indexed: 02/18/2023]
Abstract
Treatment for chronic diabetic wounds remains a clinical challenge. Wound healing process occurs in three phases: inflammation, proliferation and remodeling. Several factors including bacterial infection, decreased local angiogenesis and diminished blood supply delay wound healing. There is an urgent need to develop wound dressings with multiple biological effects for different stages of diabetic wound healing. Here, we develop a multifunctional hydrogel with two-stage sequential release upon near-infrared (NIR) stimulation, antibacterial activity and pro-angiogenic efficacy. This hydrogel consists of covalently crosslinked bilayer structure, with the lower thermoresponsive poly(N-isopropylacrylamide)/gelatin methacrylate (NG) layer and the upper highly stretchable alginate/polyacrylamide (AP) layer embedding different peptide-functionalized gold nanorods (AuNRs) in each layer. Antimicrobial peptide-functionalized AuNRs released from NG layer exert antibacterial effects. After NIR irradiation, the photothermal transition efficacy of AuNRs synergistically enhances bactericidal efficacy. The contraction of thermoresponsive layer also promotes the release of embedded cargos during early stage. The pro-angiogenic peptide-functionalized AuNRs released from AP layer promote angiogenesis and collagen deposition by accelerating fibroblast and endothelial cell proliferation, migration and tube formation during the subsequent healing phases. Therefore, the multifunctional hydrogel with effective antibacterial activity, pro-angiogenic efficacy and sequential release behaviors is a potential biomaterial for diabetic chronic wound healing.
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14
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Li H, Shen S, Yu K, Wang H, Fu J. Construction of porous structure-based carboxymethyl chitosan/ sodium alginate/ tea polyphenols for wound dressing. Int J Biol Macromol 2023; 233:123404. [PMID: 36706879 DOI: 10.1016/j.ijbiomac.2023.123404] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/01/2022] [Accepted: 01/19/2023] [Indexed: 01/26/2023]
Abstract
Polysaccharide-based materials with porous structure were selected as the basic skeleton to prepare a flexible and biodegradable wound dressing. The carboxymethyl chitosan/sodium alginate/tea polyphenols (CC/SA/TP) with a two-layer porous structure exhibits a variety of performances. The specific combined structure with ordered and lamellar porous structure was constructed by high-speed homogenized foaming, Ca2+ crosslinking and two-step freeze-drying methods. Moreover, the CC/SA/TP porous structure owns better shape retention and recovery because of the 3D network with an "egg-box" structure formed by impregnation. Tea polyphenols are efficiently encapsulated into a porous structure and released in a sustained pattern. After storing for 60 days, the CC/SA/TP porous structure still exhibits great suitable water vapor transmittance, efficient antibacterial activity and ultrarapid antioxidant activity. Meanwhile, the relatively low differential blood clotting index (BCI) and cytotoxicity of the CC/SA/TP porous structure indicate that it possesses the possibility of adjusting and controlling wound bleeding. The test results reveal that the CC/SA/TP porous structure might be expected to play a great potential role in biomedical applications of wound dressing.
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Affiliation(s)
- Huimin Li
- Jiangsu Engineering Technology Research Centre for Functional Textiles, Jiangnan University, No.1800 Lihu Avenue, Wuxi, China; China National Textile and Apparel Council Key Laboratory of Natural Dyes, Soochow University, Suzhou 215123, China
| | - Shen Shen
- Jiangsu Engineering Technology Research Centre for Functional Textiles, Jiangnan University, No.1800 Lihu Avenue, Wuxi, China; China National Textile and Apparel Council Key Laboratory of Natural Dyes, Soochow University, Suzhou 215123, China
| | - Kejing Yu
- Jiangsu Engineering Technology Research Centre for Functional Textiles, Jiangnan University, No.1800 Lihu Avenue, Wuxi, China
| | - Hongbo Wang
- Jiangsu Engineering Technology Research Centre for Functional Textiles, Jiangnan University, No.1800 Lihu Avenue, Wuxi, China.
| | - Jiajia Fu
- Jiangsu Engineering Technology Research Centre for Functional Textiles, Jiangnan University, No.1800 Lihu Avenue, Wuxi, China; China National Textile and Apparel Council Key Laboratory of Natural Dyes, Soochow University, Suzhou 215123, China.
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15
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Therapeutic Efficacy of Polymeric Biomaterials in Treating Diabetic Wounds-An Upcoming Wound Healing Technology. Polymers (Basel) 2023; 15:polym15051205. [PMID: 36904445 PMCID: PMC10007618 DOI: 10.3390/polym15051205] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/15/2023] [Accepted: 02/22/2023] [Indexed: 03/06/2023] Open
Abstract
Diabetic wounds are one of the serious, non-healing, chronic health issues faced by individuals suffering from diabetic mellitus. The distinct phases of wound healing are either prolonged or obstructed, resulting in the improper healing of diabetic wounds. These injuries require persistent wound care and appropriate treatment to prevent deleterious effects such as lower limb amputation. Although there are several treatment strategies, diabetic wounds continue to be a major threat for healthcare professionals and patients. The different types of diabetic wound dressings that are currently used differ in their properties of absorbing wound exudates and may also cause maceration to surrounding tissues. Current research is focused on developing novel wound dressings incorporated with biological agents that aid in a faster rate of wound closure. An ideal wound dressing material must absorb wound exudates, aid in the appropriate exchange of gas, and protect from microbial infections. It must support the synthesis of biochemical mediators such as cytokines, and growth factors that are crucial for faster healing of wounds. This review highlights the recent advances in polymeric biomaterial-based wound dressings, novel therapeutic regimes, and their efficacy in treating diabetic wounds. The role of polymeric wound dressings loaded with bioactive compounds, and their in vitro and in vivo performance in diabetic wound treatment are also reviewed.
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16
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Hou X, Wang H, Shi Y, Yue Z. Recent advances of antibacterial starch-based materials. Carbohydr Polym 2023; 302:120392. [PMID: 36604070 DOI: 10.1016/j.carbpol.2022.120392] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/18/2022] [Accepted: 11/21/2022] [Indexed: 11/26/2022]
Abstract
Starch has attracted a lot of attention because it is biodegradable, renewable, nontoxic and low cost. By adding antibacterial substances to starch, starch-based materials have antibacterial properties. The composite with other materials can improve the comprehensive performance of starch-based materials, thus broadening the application field of the material. In this paper, we focus on antibacterial starch-based materials and review their preparation and applications. It was found that antibacterial starch-based materials were most widely used in packaging, followed by medicine, and the research on smart starch-based materials was relatively less. This review may provide some reference value for subsequent studies of starch-based materials.
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Affiliation(s)
- Xiurong Hou
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, No. 29, 13th Avenue, TEDA, 300457 Tianjin, PR China
| | - Huashan Wang
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, No. 29, 13th Avenue, TEDA, 300457 Tianjin, PR China.
| | - Yuting Shi
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, No. 29, 13th Avenue, TEDA, 300457 Tianjin, PR China
| | - Zhouyao Yue
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, No. 29, 13th Avenue, TEDA, 300457 Tianjin, PR China
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17
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Li X, Chen X, Ji Z, Pan L, Liu Y, Yang X, Shi C. Preparation and evaluation of aldehyde starch hemostatic microspheres crosslinked with L‐cystine dimethyl ester for ultrarapid rapid hemostasis. POLYM ADVAN TECHNOL 2023. [DOI: 10.1002/pat.5995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Xujian Li
- Wenzhou Institute University of Chinese Academy of Sciences Wenzhou, Zhejiang China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute University of Chinese Academy of Sciences Wenzhou, Zhejiang China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute University of Chinese Academy of Sciences Wenzhou, Zhejiang China
| | - Xumin Chen
- Department of Nephrology The First Affiliated Hospital of Wenzhou Medical University Wenzhou, Zhejiang China
| | - Zhixiao Ji
- Wenzhou Institute University of Chinese Academy of Sciences Wenzhou, Zhejiang China
| | - Luqi Pan
- Wenzhou Institute University of Chinese Academy of Sciences Wenzhou, Zhejiang China
| | - Yi Liu
- Wenzhou Institute University of Chinese Academy of Sciences Wenzhou, Zhejiang China
- Department of Nephrology The First Affiliated Hospital of Wenzhou Medical University Wenzhou, Zhejiang China
| | - Xiao Yang
- Wenzhou Institute University of Chinese Academy of Sciences Wenzhou, Zhejiang China
| | - Changcan Shi
- Wenzhou Institute University of Chinese Academy of Sciences Wenzhou, Zhejiang China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute University of Chinese Academy of Sciences Wenzhou, Zhejiang China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute University of Chinese Academy of Sciences Wenzhou, Zhejiang China
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18
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Zhong Y, Zheng XT, Zhao S, Su X, Loh XJ. Stimuli-Activable Metal-Bearing Nanomaterials and Precise On-Demand Antibacterial Strategies. ACS NANO 2022; 16:19840-19872. [PMID: 36441973 DOI: 10.1021/acsnano.2c08262] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Bacterial infections remain the leading cause of death worldwide today. The emergence of antibiotic resistance has urged the development of alternative antibacterial technologies to complement or replace traditional antibiotic treatments. In this regard, metal nanomaterials have attracted great attention for their controllable antibacterial functions that are less prone to resistance. This review discusses a particular family of stimuli-activable metal-bearing nanomaterials (denoted as SAMNs) and the associated on-demand antibacterial strategies. The various SAMN-enabled antibacterial strategies stem from basic light and magnet activation, with the addition of bacterial microenvironment responsiveness and/or bacteria-targeting selectivity and therefore offer higher spatiotemporal controllability. The discussion focuses on nanomaterial design principles, antibacterial mechanisms, and antibacterial performance, as well as emerging applications that desire on-demand and selective activation (i.e., medical antibacterial treatments, surface anti-biofilm, water disinfection, and wearable antibacterial materials). The review concludes with the authors' perspectives on the challenges and future directions for developing industrial translatable next-generation antibacterial strategies.
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Affiliation(s)
- Yingying Zhong
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People's Republic of China
- Institute of Materials Research and Engineering, Agency for Science Technology and Research (A*STAR), 138634 Singapore
| | - Xin Ting Zheng
- Institute of Materials Research and Engineering, Agency for Science Technology and Research (A*STAR), 138634 Singapore
| | - Suqing Zhao
- Department of Pharmaceutical Engineering, School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, People's Republic of China
| | - Xiaodi Su
- Institute of Materials Research and Engineering, Agency for Science Technology and Research (A*STAR), 138634 Singapore
- Department of Chemistry, National University of Singapore, Block S8, Level 3, 3 Science Drive 3, 117543 Singapore
| | - Xian Jun Loh
- Institute of Materials Research and Engineering, Agency for Science Technology and Research (A*STAR), 138634 Singapore
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19
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Zhang D, Li X, Liang T, Niu S, He Y, Song P, Wang R. Construction of antibacterial fabrics with polymer cationic broccolo‐shaped nanoparticles. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Duoxin Zhang
- Key Laboratory Eco‐Functional Polymer Materials of MOE Institute of Copolymer, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou China
| | - Xuemei Li
- Key Laboratory Eco‐Functional Polymer Materials of MOE Institute of Copolymer, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou China
| | - Tingyu Liang
- College of Life Science College of Life Science, Northwest Normal University Lanzhou China
| | - Shiquan Niu
- College of Life Science College of Life Science, Northwest Normal University Lanzhou China
| | - Yufeng He
- Key Laboratory Eco‐Functional Polymer Materials of MOE Institute of Copolymer, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou China
| | - Pengfei Song
- Key Laboratory Eco‐Functional Polymer Materials of MOE Institute of Copolymer, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou China
| | - Rongmin Wang
- Key Laboratory Eco‐Functional Polymer Materials of MOE Institute of Copolymer, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou China
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20
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Graphene-ophicalcite heterogeneous composite sponge for rapid hemostasis. Colloids Surf B Biointerfaces 2022; 216:112596. [PMID: 35653956 DOI: 10.1016/j.colsurfb.2022.112596] [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: 02/15/2022] [Revised: 05/18/2022] [Accepted: 05/22/2022] [Indexed: 10/18/2022]
Abstract
Synergistic functionalization of interface coagulation stimulation and liquid absorption capacity is the key to improve the hemostatic efficiency of hemostats. Herein, we prepared a graphene-ophicalcite (OPH) heterogeneous composite sponge (GOCS) by using the heterogeneous gradient composite strategy. The sponge took cross-linked graphene sponge (CGS) as the main skeleton, allowing the OPH to be controllably positioned on the surface of GOCS. The heterogeneous strategy gave full play to the advantages of the material. On the one hand, GOCS had excellent liquid absorption ability, which enriched blood cells and other coagulation components at the wound interface after contacting blood. On the other hand, the OPH at the interface obviously activated platelets and rapidly triggered coagulation cascade reactions, exhibiting fast response and feedback characteristics for coagulation signals. Under the synergistic effects, the blood clotting index value of GOCS was reduced to 33.87 ± 9.97%, which was significantly lower than those of OPH (46.33 ± 16.85%) and CGS (67.53 ± 5.35%). Importantly, GOCS rapidly stopped bleeding within 51 s in the rat femoral artery model, suggesting its great potential in the field of hemostasis. Therefore, this study provides a new idea for the design and preparation of hemostatic materials via heterogeneous strategy.
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21
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Borges-Vilches J, Figueroa T, Guajardo S, Carmona S, Mellado C, Meléndrez M, Aguayo C, Fernández K. Novel and effective hemostats based on graphene oxide-polymer aerogels: In vitro and in vivo evaluation. BIOMATERIALS ADVANCES 2022; 139:213007. [PMID: 35891602 DOI: 10.1016/j.bioadv.2022.213007] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/17/2022] [Accepted: 06/24/2022] [Indexed: 10/17/2022]
Abstract
In this study, graphene oxide (GO)-based aerogels cross-linked with chitosan (CS), gelatin (GEL), and polyvinyl alcohol (PVA) were characterized and their hemostatic efficiencies both in vitro and in vivo were investigated and compared to commercial materials (ChitoGauze®XR and Spongostan™). All aerogels exhibited highly porous structures and a negative surface charge density favorable to their interaction with blood cells. The in vitro studies showed that all aerogels coagulated >60 % of the blood contained in their structures after 240 s of the whole-blood clotting assay, the GO-CS aerogel being the one with the highest blood clotting. All aerogels showed high hemocompatibility, with hemolytic rates <5 %, indicating their use as biomaterials. Among them, the GO-GEL aerogel exhibited the lowest hemolytic activity, due possibly to its high GEL content compared to the GO amount. According to their blood clotting activity, aerogels did not promote coagulation through extrinsic and intrinsic pathways. However, their surfaces are suitable for accelerating hemostasis by promoting alternative routes. All aerogels adhered platelets and gathered RBCs on their surfaces, and in addition the GO-CS aerogel surface also promoted the formation of filamentous fibrin networks adhered on its structure. Furthermore, in vivo evaluations revealed that all aerogels significantly shortened the hemostatic times and reduced the blood loss amounts compared both to the Spongostan™ and ChitoGauze®XR commercial materials and to the gauze sponge (control group). The hemostatic performance in vitro and in vivo of these aerogels suggests that they could be used as hemostats for controlling profuse bleedings.
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Affiliation(s)
- Jessica Borges-Vilches
- Laboratory of Biomaterials, Department of Chemical Engineering, Faculty of Engineering, Universidad de Concepción, Concepción, Chile
| | - Toribio Figueroa
- Laboratory of Biomaterials, Department of Chemical Engineering, Faculty of Engineering, Universidad de Concepción, Concepción, Chile
| | - Sebastián Guajardo
- Laboratory of Biomaterials, Department of Chemical Engineering, Faculty of Engineering, Universidad de Concepción, Concepción, Chile
| | - Satchary Carmona
- Laboratory of Biomaterials, Department of Chemical Engineering, Faculty of Engineering, Universidad de Concepción, Concepción, Chile
| | - Constanza Mellado
- Laboratory of Biomaterials, Department of Chemical Engineering, Faculty of Engineering, Universidad de Concepción, Concepción, Chile
| | - Manuel Meléndrez
- Department of Materials Engineering, Faculty of Engineering, Universidad de Concepción, Concepción, Chile
| | - Claudio Aguayo
- Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, Universidad de Concepción, Concepción, Chile
| | - Katherina Fernández
- Laboratory of Biomaterials, Department of Chemical Engineering, Faculty of Engineering, Universidad de Concepción, Concepción, Chile.
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22
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Shen Y, Wang X, Li B, Guo Y, Dong K. Development of silk fibroin‑sodium alginate scaffold loaded silk fibroin nanoparticles for hemostasis and cell adhesion. Int J Biol Macromol 2022; 211:514-523. [PMID: 35569682 DOI: 10.1016/j.ijbiomac.2022.05.064] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/02/2022] [Accepted: 05/08/2022] [Indexed: 01/20/2023]
Abstract
During wound healing process, it is essential to promote hemostasis and cell adhesion. Herein, we incorporated a scaffold with nanoparticles to improve the hemostatic properties and stimulate cell adhesion. The nanoparticles were prepared by self-assembling of silk fibroin, and the scaffold loaded nanoparticles were synthesized by crosslinking and freeze-drying. Macroscopical images showed that the nanoparticles distributed uniformly and increased the surface roughness of scaffold pore wall. The addition of nanoparticles decreased the pore size, enhanced the compression strength, lowered the degradation rate, and maintained the resilience and water uptake capacity. Compared with pure scaffold, the scaffold loaded nanoparticles revealed higher blood clotting index and promoted platelets adhesion. Furthermore, in vitro tests showed that scaffold loaded nanoparticles exhibited excellent biocompatibility, and stimulation effects on cell proliferation, migration, and adhesion for both L929 cells and HUVECs. Therefore, the scaffold loaded nanoparticles possessed great potential as a wound dressing for efficient hemostasis and subsequent wound healing.
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Affiliation(s)
- Ying Shen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China; Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430079, China
| | - Xinyu Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China; Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430079, China; Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Xianhu Hydrogen Valley, Foshan 528200, China; Sanya Science and Education Innovation Park of Wuhan University of Technology, Hainan 572000, China.
| | - Binbin Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China; Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430079, China; Shenzhen Research Institute of Wuhan University of Technology, Shenzhen 518000, China.
| | - Yajin Guo
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China; Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430079, China
| | - Kuo Dong
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China; Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430079, China
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Zhu Y, Liu H, Qin S, Yang C, Lv Q, Wang Z, Wang L. Antibacterial Sericin Cryogels Promote Hemostasis by Facilitating the Activation of Coagulation Pathway and Platelets. Adv Healthc Mater 2022; 11:e2102717. [PMID: 35132817 DOI: 10.1002/adhm.202102717] [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: 12/13/2021] [Revised: 01/19/2022] [Indexed: 12/16/2022]
Abstract
Cryogels, with high water/blood absorption, have great potential for rapid hemostasis. In this study, a hemostatic and antibacterial sericin-methacryloyl/Ag cryogel (SMC@Ag) based on freeze polymerization of methacryloyl-modified sericin and in situ reduction of silver ions is developed. The combination of interconnected micropores and Ag NPs endows the cryogel with high water/blood absorption, and outstanding hemostatic and antibacterial performance. SMC@Ag shows much better hemostatic performance than the commercial gelatin sponge in rat liver injury, tail amputation, and femoral artery injury models. Furthermore, the excellent hemostatic activity of SMC@Ag is due to facilitating the coagulation pathway activation and enhancing the platelets adhesion during coagulation process. Overall, SMC@Ag cryogel with excellent hemostatic and antibacterial performance is a suitable candidate for traumatic hemorrhage and wound healing.
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Affiliation(s)
- Yuanyuan Zhu
- Research Center for Tissue Engineering and Regenerative Medicine Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China
| | - Huan Liu
- Research Center for Tissue Engineering and Regenerative Medicine Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China
| | - Sumei Qin
- Research Center for Tissue Engineering and Regenerative Medicine Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China
| | - Cheng Yang
- Research Center for Tissue Engineering and Regenerative Medicine Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China
| | - Qiying Lv
- Research Center for Tissue Engineering and Regenerative Medicine Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China
| | - Zheng Wang
- Research Center for Tissue Engineering and Regenerative Medicine Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China
- Department of Gastrointestinal Surgery Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China
| | - Lin Wang
- Research Center for Tissue Engineering and Regenerative Medicine Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China
- Department of Clinical Laboratory Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China
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24
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Kanth S, Puttaiahgowda YM. CURRENT STATE AND FUTURE PERSPECTIVES OF STARCH DERIVATIVES AND THEIR BLENDS AS ANTIMICROBIAL MATERIALS. STARCH-STARKE 2022. [DOI: 10.1002/star.202200001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Shreya Kanth
- Department of Chemistry Manipal Institute of Technology Manipal Academy of Higher Education Manipal 576104 India
| | - Yashoda Malgar Puttaiahgowda
- Department of Chemistry Manipal Institute of Technology Manipal Academy of Higher Education Manipal 576104 India
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25
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Jimenez-Martin J, Las Heras K, Etxabide A, Uranga J, de la Caba K, Guerrero P, Igartua M, Santos-Vizcaino E, Hernandez RM. Green hemostatic sponge-like scaffold composed of soy protein and chitin for the treatment of epistaxis. Mater Today Bio 2022; 15:100273. [PMID: 35572855 PMCID: PMC9097720 DOI: 10.1016/j.mtbio.2022.100273] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 12/03/2022] Open
Abstract
Epistaxis is one of the most common otorhinolaryngology emergencies worldwide. Although there are currently several treatments available, they present several disadvantages. This, in addition to the increasing social need of being environmentally respectful, led us to investigate whether a sponge-like scaffold (SP–CH) produced from natural by-products of the food industry — soy protein and β-chitin — can be employed as a nasal pack for the treatment of epistaxis. To evaluate the potential of our material as a nasal pack, it was compared with two of the most commonly used nasal packs in the clinic: a basic gauze and the gold standard Merocel®. Our SP-CH presented great physicochemical and mechanical properties, lost weight in aqueous medium, and could even partially degrade when incubated in blood. It was shown to be both biocompatible and hemocompatible in vitro, clearing up any doubt about its safety. It showed increased blood clotting capacity in vitro, as well as increased capacity to bind both red blood cells and platelets, compared to the standard gauze and Merocel®. Finally, a rat-tail amputation model revealed that our SP-CH could even reduce bleeding time in vivo. This work, carried out from a circular economy approach, demonstrates that a green strategy can be followed to manufacture nasal packs using valorized by-products of the food industry, with equal or even better hemostatic properties than the gold standard in the clinic.
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Affiliation(s)
- Jon Jimenez-Martin
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de La Universidad 7, 01006 Vitoria Gasteiz, Spain
| | - Kevin Las Heras
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de La Universidad 7, 01006 Vitoria Gasteiz, Spain
- Bioaraba, NanoBioCel Research Group, Vitoria Gasteiz, Spain
| | - Alaitz Etxabide
- BIOMAT Research Group, University of the Basque Country (UPV/EHU), Escuela de Ingeniería de Gipuzkoa, Plaza de Europa 1, 20018 Donostia-San Sebastián, Spain
| | - Jone Uranga
- BIOMAT Research Group, University of the Basque Country (UPV/EHU), Escuela de Ingeniería de Gipuzkoa, Plaza de Europa 1, 20018 Donostia-San Sebastián, Spain
| | - Koro de la Caba
- BIOMAT Research Group, University of the Basque Country (UPV/EHU), Escuela de Ingeniería de Gipuzkoa, Plaza de Europa 1, 20018 Donostia-San Sebastián, Spain
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940, Leioa, Spain
| | - Pedro Guerrero
- BIOMAT Research Group, University of the Basque Country (UPV/EHU), Escuela de Ingeniería de Gipuzkoa, Plaza de Europa 1, 20018 Donostia-San Sebastián, Spain
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940, Leioa, Spain
- Proteinmat Materials SL, Avenida de Tolosa 72, 20018 Donostia-San Sebastian, Spain
| | - Manoli Igartua
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de La Universidad 7, 01006 Vitoria Gasteiz, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Institute of Health Carlos III, Madrid, Spain
- Bioaraba, NanoBioCel Research Group, Vitoria Gasteiz, Spain
| | - Edorta Santos-Vizcaino
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de La Universidad 7, 01006 Vitoria Gasteiz, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Institute of Health Carlos III, Madrid, Spain
- Bioaraba, NanoBioCel Research Group, Vitoria Gasteiz, Spain
- Corresponding author. NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria Gasteiz, Spain.
| | - Rosa Maria Hernandez
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de La Universidad 7, 01006 Vitoria Gasteiz, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Institute of Health Carlos III, Madrid, Spain
- Bioaraba, NanoBioCel Research Group, Vitoria Gasteiz, Spain
- Corresponding author. NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria Gasteiz, Spain.
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26
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Du C, Liu J, Fikhman DA, Dong KS, Monroe MBB. Shape Memory Polymer Foams With Phenolic Acid-Based Antioxidant and Antimicrobial Properties for Traumatic Wound Healing. Front Bioeng Biotechnol 2022; 10:809361. [PMID: 35252129 PMCID: PMC8893234 DOI: 10.3389/fbioe.2022.809361] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 01/26/2022] [Indexed: 01/22/2023] Open
Abstract
The leading cause of trauma-related death before arrival at a hospital is uncontrolled blood loss. Upon arrival at the hospital, microbial infections in traumatic wounds become an additional factor that increases mortality. The development of hemostatic materials with antimicrobial and antioxidant properties could improve morbidity and mortality in these wounds. To that end, phenolic acids (PAs) were successfully incorporated into the network of shape memory polymer (SMP) polyurethane foams by reacting them with isocyanates. Resulting PA-containing SMP foam shape memory properties, antimicrobial and antioxidant activity, and blood and cell interactions were characterized. Results showed that p-coumaric, vanillic, and ferulic acids were successfully incorporated into the SMP foams. The PA-containing SMP foams retained the antimicrobial and antioxidant properties of the incorporated PAs, with ∼20% H2O2 scavenging and excellent antimicrobial properties again E. coli (∼5X reduction in CFUs vs. control foams), S. aureus (∼4.5X reduction in CFUs vs. control foams, with comparable CFU counts to clinical control), and S. epidermidis (∼25–120X reduction in CFUs vs. control foams, with comparable CFU counts to clinical control). Additionally, appropriate thermal and shape memory properties of PA foams could enable stable storage in low-profile secondary geometries at temperatures up to ∼55°C and rapid expand within ∼2 min after exposure to water in body temperature blood. PA foams had high cytocompatibility (>80%), non-hemolytic properties, and platelet attachment and activation, with improved cytocompatibility and hemocompatibility in comparison with clinical, silver-based controls. The incorporation of PAs provides a natural non-antibiotic approach to antimicrobial SMP foams with antioxidant properties. This system could improve outcomes in traumatic wounds to potentially reduce bleeding-related deaths and subsequent infections.
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Polymer-Based Wound Dressing Materials Loaded with Bioactive Agents: Potential Materials for the Treatment of Diabetic Wounds. Polymers (Basel) 2022; 14:polym14040724. [PMID: 35215637 PMCID: PMC8874614 DOI: 10.3390/polym14040724] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/24/2021] [Accepted: 09/28/2021] [Indexed: 12/11/2022] Open
Abstract
Diabetic wounds are severe injuries that are common in patients that suffer from diabetes. Most of the presently employed wound dressing scaffolds are inappropriate for treating diabetic wounds. Improper treatment of diabetic wounds usually results in amputations. The shortcomings that are related to the currently used wound dressings include poor antimicrobial properties, inability to provide moisture, weak mechanical features, poor biodegradability, and biocompatibility, etc. To overcome the poor mechanical properties, polymer-based wound dressings have been designed from the combination of biopolymers (natural polymers) (e.g., chitosan, alginate, cellulose, chitin, gelatin, etc.) and synthetic polymers (e.g., poly (vinyl alcohol), poly (lactic-co-glycolic acid), polylactide, poly-glycolic acid, polyurethanes, etc.) to produce effective hybrid scaffolds for wound management. The loading of bioactive agents or drugs into polymer-based wound dressings can result in improved therapeutic outcomes such as good antibacterial or antioxidant activity when used in the treatment of diabetic wounds. Based on the outstanding performance of polymer-based wound dressings on diabetic wounds in the pre-clinical experiments, the in vivo and in vitro therapeutic results of the wound dressing materials on the diabetic wound are hereby reviewed.
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28
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Rai A, Ferrão R, Palma P, Patricio T, Parreira P, Anes E, Tonda-Turo C, Martins C, Alves N, Ferreira L. Antimicrobial peptide-based materials: opportunities and challenges. J Mater Chem B 2022; 10:2384-2429. [DOI: 10.1039/d1tb02617h] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The multifunctional properties of antimicrobial peptides (AMPs) make them attractive candidates for the treatment of various diseases. AMPs are considered alternatives to antibiotics due to the rising number of multidrug-resistant...
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29
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Wang S, Ji X, Chen S, Zhang C, Wang Y, Lin H, Zhao L. Study of double-bonded carboxymethyl chitosan/cysteamine-modified chondroitin sulfate composite dressing for hemostatic application. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110875] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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30
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Li J, Yu X, Martinez EE, Zhu J, Wang T, Shi S, Shin SR, Hassan S, Guo C. Emerging Biopolymer-Based Bioadhesives. Macromol Biosci 2021; 22:e2100340. [PMID: 34957668 DOI: 10.1002/mabi.202100340] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 11/23/2021] [Indexed: 12/13/2022]
Abstract
Bioadhesives have been widely used in healthcare and biomedical applications due to their ease-of-operation for wound closure and repair compared to conventional suturing and stapling. However, several challenges remain for developing ideal bioadhesives, such as unsatisfied mechanical properties, non-tunable biodegradability, and limited biological functions. Considering these concerns, naturally derived biopolymers have been considered good candidates for making bioadhesives owing to their ready availability, facile modification, tunable mechanical properties, and desired biocompatibility and biodegradability. Over the past several years, remarkable progress has been made on biopolymer-based adhesives, covering topics from novel materials designs and advanced processing to clinical translation. The developed bioadhesives have been applied for diverse applications, including tissue adhesion, hemostasis, antimicrobial, wound repair/tissue regeneration, and skin-interfaced bioelectronics. Here in this comprehensive review, recent progress on biopolymer-based bioadhesives is summarized with focuses on clinical translations and multifunctional bioadhesives. Furthermore, challenges and opportunities such as weak adhesion strength at the hydrated state, mechanical mismatch with tissues, and unfavorable immune responses are discussed with an aim to facilitate the future development of high-performance biopolymer-based bioadhesives.
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Affiliation(s)
- Jinghang Li
- School of Engineering, Westlake University, Hangzhou, Zhejiang Province, 310024, China.,School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, Hubei Province, 430205, China
| | - Xin Yu
- School of Engineering, Westlake University, Hangzhou, Zhejiang Province, 310024, China
| | | | - Jiaqing Zhu
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, Hubei Province, 430205, China
| | - Ting Wang
- Department of Laboratory Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, 210029, China
| | - Shengwei Shi
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, Hubei Province, 430205, China
| | - Su Ryon Shin
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, and Brigham and Women's Hospital, Cambridge, MA, 02139, USA
| | - Shabir Hassan
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, and Brigham and Women's Hospital, Cambridge, MA, 02139, USA
| | - Chengchen Guo
- School of Engineering, Westlake University, Hangzhou, Zhejiang Province, 310024, China
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31
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Versace DL, Breloy L, Palierse E, Coradin T. Contributions of photochemistry to bio-based antibacterial polymer materials. J Mater Chem B 2021; 9:9624-9641. [PMID: 34807217 DOI: 10.1039/d1tb01801a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Surgical site infections constitute a major health concern that may be addressed by conferring antibacterial properties to surgical tools and medical devices via functional coatings. Bio-sourced polymers are particularly well-suited to prepare such coatings as they are usually safe and can exhibit intrinsic antibacterial properties or serve as hosts for bactericidal agents. The goal of this Review is to highlight the unique contribution of photochemistry as a green and mild methodology for the development of such bio-based antibacterial materials. Photo-generation and photo-activation of bactericidal materials are illustrated. Recent efforts and current challenges to optimize the sustainability of the process, improve the safety of the materials and extend these strategies to 3D biomaterials are also emphasized.
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Affiliation(s)
- Davy-Louis Versace
- Institut de Chimie et des Matériaux Paris-Est (ICMPE, UMR-CNRS 7182), 2-8 rue Henri Dunant, 94320 Thiais, France.
| | - Louise Breloy
- Institut de Chimie et des Matériaux Paris-Est (ICMPE, UMR-CNRS 7182), 2-8 rue Henri Dunant, 94320 Thiais, France.
| | - Estelle Palierse
- Sorbonne Université, CNRS, Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP), UMR 7574, 4 place Jussieu, 75005 Paris, France. .,Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), UMR 7197, 4 place Jussieu, 75005 Paris, France
| | - Thibaud Coradin
- Sorbonne Université, CNRS, Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP), UMR 7574, 4 place Jussieu, 75005 Paris, France.
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32
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Liang W, Lu Q, Yu F, Zhang J, Xiao C, Dou X, Zhou Y, Mo X, Li J, Lang M. A multifunctional green antibacterial rapid hemostasis composite wound dressing for wound healing. Biomater Sci 2021; 9:7124-7133. [PMID: 34581318 DOI: 10.1039/d1bm01185e] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Rapid hemostasis and antibacterial properties are essential for novel wound dressings to promote wound healing. In particular, timely and rapid hemostasis could be of benefit to reduce the mortality caused by excessive bleeding loss. Herein, we present a novel strategy of combining electrospinning technology with post-modification technology to prepare a multifunctional wound dressing, cellulose diacetate-based composite wound dressing (CDCE), with rapid hemostasis and antibacterial activity. It is interesting that the CDCE wound dressing had superhydrophilicity, high water absorption, and strong absorbing capacity, which could eliminate the exudate around the wound in a timely manner and further promote rapid hemostasis. Additionally, its excellent antibacterial properties could inhibit severe infection in the wound and accelerate wound healing. Based on these advantages, the novel CDCE wound dressing could promote wound contraction and further accelerate wound healing compared with the common traditional wound dressing gauze. Taken together, the multifunctional CDCE wound dressing has high potential for clinical application in the future.
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Affiliation(s)
- Wencheng Liang
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China. .,Center of Photonics & Bio-Medical Diagnosis, School of science, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Qiaohui Lu
- State Key Laboratory of Bioreactor Engineering, School of biotechnology, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Fan Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, PR China
| | - Junyong Zhang
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China.
| | - Chuang Xiao
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China.
| | - Xiaoming Dou
- Center of Photonics & Bio-Medical Diagnosis, School of science, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Yan Zhou
- State Key Laboratory of Bioreactor Engineering, School of biotechnology, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Xiumei Mo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, PR China
| | - Jun Li
- Department of Orthopedics, Shanghai Tenth People's Hospital Affiliated to Tongji University, 301 Yanchang Road, Shanghai 200072, PR China.
| | - Meidong Lang
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China.
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33
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Liu W, Yang X, Li P, Sang F, Cao L, Zhang B, Meng Z, Ma Z, Shi C. Thrombin Embedded in eMPs@Thr/Sponge with Enhanced Procoagulant Ability for Uncompressible and Massive Hemorrhage Control. ACS APPLIED BIO MATERIALS 2021; 4:7643-7652. [DOI: 10.1021/acsabm.1c00882] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Wen Liu
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang 325001, China
| | - Xiao Yang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang 325001, China
| | - Pengpeng Li
- School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Feng Sang
- School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Lina Cao
- School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Bingxu Zhang
- School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Zhizhen Meng
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Zhaipu Ma
- School of Life Sciences, Hebei University, Baoding, Hebei 071000, China
| | - Changcan Shi
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang 325001, China
- School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
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34
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Pan H, Shi C, Yang R, Xi G, Lu C, Yang X, Chen J, Wang X, Chen L, Pan J. Controlled release of KGF-2 for regulation of wound healing by KGF-2 complexed with "lotus seedpod surface-like" porous microspheres. J Mater Chem B 2021; 9:4039-4049. [PMID: 33949618 DOI: 10.1039/d1tb00148e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Keratinocyte growth factor-2 (KGF-2) can regulate the proliferation and differentiation of keratinocyte, which plays a remarkable role in maintaining normal tissue structure and promoting wound healing. As an effective strategy, KGF-2 solution is widely used in the treatment of wounds in clinical applications. However, KGF-2 in solution cannot achieve sustained release, which results in drug loss and unnecessary waste. Polysaccharide hemostasis microspheres (PHMs) are an ideal drug loading platform due to their special "lotus seedpod surface-like" morphology and structure. Herein, to realize the controllable release of KGF-2, PHMs loaded with KGF-2 (KGF-2@PHMs) were prepared. It was found that the bioavailability of KGF-2 was improved greatly. Most importantly, KGF-2@PHMs can reduce inflammation and accelerate the wound healing process due to the controlled release of KGF-2. KGF-2@PHMs might be a potential alternative strategy for wound healing in future clinical applications.
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Affiliation(s)
- Hao Pan
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
| | - Changcan Shi
- Wenzhou Institute of Biomaterials and Engineering, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China
| | - Rongshuai Yang
- Wenzhou Medical University, Chashan University Park, Wenzhou 325035, China.
| | - Guanghui Xi
- Wenzhou Institute of Biomaterials and Engineering, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325011, China
| | - Chao Lu
- Wenzhou Medical University, Chashan University Park, Wenzhou 325035, China.
| | - Xuanxin Yang
- Wenzhou Medical University, Chashan University Park, Wenzhou 325035, China.
| | - Jie Chen
- Department of Intensive Care, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
| | - Xiaojie Wang
- Wenzhou Medical University, Chashan University Park, Wenzhou 325035, China.
| | - Lei Chen
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
| | - Jingye Pan
- Department of Intensive Care, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China.
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35
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Du X, Wu L, Yan H, Jiang Z, Li S, Li W, Bai Y, Wang H, Cheng Z, Kong D, Wang L, Zhu M. Microchannelled alkylated chitosan sponge to treat noncompressible hemorrhages and facilitate wound healing. Nat Commun 2021; 12:4733. [PMID: 34354068 PMCID: PMC8342549 DOI: 10.1038/s41467-021-24972-2] [Citation(s) in RCA: 143] [Impact Index Per Article: 47.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 07/14/2021] [Indexed: 02/07/2023] Open
Abstract
Developing an anti-infective shape-memory hemostatic sponge able to guide in situ tissue regeneration for noncompressible hemorrhages in civilian and battlefield settings remains a challenge. Here we engineer hemostatic chitosan sponges with highly interconnective microchannels by combining 3D printed microfiber leaching, freeze-drying, and superficial active modification. We demonstrate that the microchannelled alkylated chitosan sponge (MACS) exhibits the capacity for water and blood absorption, as well as rapid shape recovery. We show that compared to clinically used gauze, gelatin sponge, CELOX™, and CELOX™-gauze, the MACS provides higher pro-coagulant and hemostatic capacities in lethally normal and heparinized rat and pig liver perforation wound models. We demonstrate its anti-infective activity against S. aureus and E. coli and its promotion of liver parenchymal cell infiltration, vascularization, and tissue integration in a rat liver defect model. Overall, the MACS demonstrates promising clinical translational potential in treating lethal noncompressible hemorrhage and facilitating wound healing.
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Affiliation(s)
- Xinchen Du
- grid.216938.70000 0000 9878 7032College of Life Sciences, Key Laboratory of Bioactive Materials (Ministry of Education),Tianjin Center Hospital of Obstetrics and Gynecology, State Key Laboratory of Medicine Chemical Biology, Nankai University, Tianjin, China
| | - Le Wu
- grid.216938.70000 0000 9878 7032College of Life Sciences, Key Laboratory of Bioactive Materials (Ministry of Education),Tianjin Center Hospital of Obstetrics and Gynecology, State Key Laboratory of Medicine Chemical Biology, Nankai University, Tianjin, China
| | - Hongyu Yan
- grid.216938.70000 0000 9878 7032College of Life Sciences, Key Laboratory of Bioactive Materials (Ministry of Education),Tianjin Center Hospital of Obstetrics and Gynecology, State Key Laboratory of Medicine Chemical Biology, Nankai University, Tianjin, China
| | - Zhuyan Jiang
- grid.412648.d0000 0004 1798 6160Department of Orthopedics, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Shilin Li
- grid.216938.70000 0000 9878 7032College of Life Sciences, Key Laboratory of Bioactive Materials (Ministry of Education),Tianjin Center Hospital of Obstetrics and Gynecology, State Key Laboratory of Medicine Chemical Biology, Nankai University, Tianjin, China
| | - Wen Li
- grid.216938.70000 0000 9878 7032College of Life Sciences, Key Laboratory of Bioactive Materials (Ministry of Education),Tianjin Center Hospital of Obstetrics and Gynecology, State Key Laboratory of Medicine Chemical Biology, Nankai University, Tianjin, China
| | - Yanli Bai
- grid.216938.70000 0000 9878 7032College of Life Sciences, Key Laboratory of Bioactive Materials (Ministry of Education),Tianjin Center Hospital of Obstetrics and Gynecology, State Key Laboratory of Medicine Chemical Biology, Nankai University, Tianjin, China
| | - Hongjun Wang
- grid.217309.e0000 0001 2180 0654Department of Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ USA
| | - Zhaojun Cheng
- Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Deling Kong
- grid.216938.70000 0000 9878 7032College of Life Sciences, Key Laboratory of Bioactive Materials (Ministry of Education),Tianjin Center Hospital of Obstetrics and Gynecology, State Key Laboratory of Medicine Chemical Biology, Nankai University, Tianjin, China
| | - Lianyong Wang
- grid.216938.70000 0000 9878 7032College of Life Sciences, Key Laboratory of Bioactive Materials (Ministry of Education),Tianjin Center Hospital of Obstetrics and Gynecology, State Key Laboratory of Medicine Chemical Biology, Nankai University, Tianjin, China
| | - Meifeng Zhu
- grid.216938.70000 0000 9878 7032College of Life Sciences, Key Laboratory of Bioactive Materials (Ministry of Education),Tianjin Center Hospital of Obstetrics and Gynecology, State Key Laboratory of Medicine Chemical Biology, Nankai University, Tianjin, China
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36
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Wang C, Hong T, Cui P, Wang J, Xia J. Antimicrobial peptides towards clinical application: Delivery and formulation. Adv Drug Deliv Rev 2021; 175:113818. [PMID: 34090965 DOI: 10.1016/j.addr.2021.05.028] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 05/14/2021] [Accepted: 05/30/2021] [Indexed: 02/07/2023]
Abstract
Antimicrobial peptides hold promise to supplement small molecules antibiotics and combat the multidrug resistant microbes. There are however technical hurdles towards the clinical applications, largely due to the inherent limitations of peptides including stability, cytotoxicity and bioavailability. Here we review recent studies concerning the delivery and formulation of antimicrobial peptides, by categorizing the different strategies as driven by physical interactions or chemical conjugation reactions, and carriers ranging from inorganic based ones (including gold, silver and silica based solid nanoparticles) to organic ones (including micelle, liposome and hydrogel) are covered. Besides, targeted delivery of antimicrobial peptides or using antimicrobial peptides as the targeting moiety, and responsive release of the peptides after delivery are also reviewed. Lastly, strategies towards the increase of oral bioavailability, from both physical or chemical methods, are highlighted. Altogether, this article provides a comprehensive review of the recent progress of the delivery and formulation of antimicrobial peptides towards clinical application.
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Affiliation(s)
- Cheng Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Tingting Hong
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Pengfei Cui
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Jianhao Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China.
| | - Jiang Xia
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong Special Administrative Region.
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Gao RX, Li Y, Zhu TT, Dai YX, Li XH, Wang L, Li L, Qu Q. ZIF-8@s-EPS as a novel hydrophilic multifunctional biomaterial for efficient scale inhibition, antibacterial and antifouling in water treatment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 773:145706. [PMID: 33940765 DOI: 10.1016/j.scitotenv.2021.145706] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 02/03/2021] [Accepted: 02/04/2021] [Indexed: 06/12/2023]
Abstract
The hydrophilic biomaterial was constructed based on the soluble extracellular polysaccharides (s-EPS) secreted by Bacillus megaterium and zeolitic imidazolate framework-8 (ZIF-8), namely ZIF-8@s-EPS, wrapped in s-EPS shell with ZIF-8 as the core. ZIF-8@s-EPS was used as a novel multifunctional biomaterial in water treatment for the first time. Unexpectedly, results showed ZIF-8@s-EPS with strong synergistic effect presented multifunctional performances including descaling, antifouling and antibacterial. Scale inhibition efficiency reached 98.63% for CaCO3 and as high as 99.40% for CaSO4 at concentration 20.00 mg/L. The synergy of s-EPS and ZIF-8 demonstrated effective antibacterial activity against Pseudomonas aeruginosa and inhibitory effect on biofilms, and result presented that ZIF-8@s-EPS could inhibit the growth of nearly 89.4% P. aeruginosa. Therefore, the obtained insights will shed light on the development of s-EPS modified biomaterials in water treatment.
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Affiliation(s)
- Rui-Xia Gao
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Yan Li
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Ting-Ting Zhu
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Yi-Xiu Dai
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Xiao-Hong Li
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Lin Wang
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Lei Li
- State Key Laboratory for Conservation and Utilization of Bio-resources in Yunnan, Yunnan University, Kunming 650091, China
| | - Qing Qu
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China.
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38
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Roque-Borda CA, Silva HRL, Crusca Junior E, Serafim JA, Meneguin AB, Chorilli M, Macedo WC, Teixeira SR, Guastalli EAL, Soares NM, Blair JMA, Pikramenou Z, Vicente EF. Alginate-based microparticles coated with HPMCP/AS cellulose-derivatives enable the Ctx(Ile 21)-Ha antimicrobial peptide application as a feed additive. Int J Biol Macromol 2021; 183:1236-1247. [PMID: 33965488 DOI: 10.1016/j.ijbiomac.2021.05.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 04/26/2021] [Accepted: 05/02/2021] [Indexed: 12/20/2022]
Abstract
Microencapsulation is a potential biotechnological tool, which can overcome antimicrobial peptides (AMP) instabilities and reduce toxic side effects. Thus, this study evaluates the antibacterial activities of the Ctx(Ile21)-Ha AMP against multidrug-resistant (MDR) and non-resistant bacteria and develop and characterize peptide-loaded microparticles coated with the enteric polymers hydroxypropylmethylcellulose acetate succinate (HPMCAS) and hydroxypropylmethylcellulose phthalate (HPMCP). Ctx(Ile21)-Ha was obtained by solid phase peptide synthesis (SPPS) method, purified and characterized by HPLC and Mass Spectrometry. The peptide exhibited potent antibiotic activities against Salmonella enteritidis, Salmonella typhimurium, Pseudomonas aeruginosa (MDR), Acinetobacter baumannii (MDR), and Staphylococcus aureus (MDR). Ctx(Ile21)-Ha microencapsulation was performed by ionic gelation with high efficiency, maintaining the physical-chemical stability. Ctx(Ile21)-Ha coated-microparticles were characterized by DSC, TGA, FTIR-Raman, XRD and SEM. Hemolytic activity assay demonstrated that hemolysis was decreased up to 95% compared to single molecule. In addition, in vitro release control profile simulating different portions of gastrointestinal tract was performed and showed the microcapsules' ability to protect the peptide and release it in the intestine, aiming pathogen's location, mainly by Salmonella sp. Therefore, use of microencapsulated Ctx(Ile21)-Ha can be allowed as an antimicrobial controller in monogastric animal production as an oral feed additive (antimicrobial controller), being a valuable option for molecules with low therapeutic indexes or high hemolytic rates.
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Affiliation(s)
- Cesar Augusto Roque-Borda
- São Paulo State University (Unesp), School of Agricultural and Veterinarian Sciences, Jaboticabal, São Paulo CEP 14884-900, Brazil
| | - Hanyeny Raiely Leite Silva
- São Paulo State University (Unesp), School of Agricultural and Veterinarian Sciences, Jaboticabal, São Paulo CEP 14884-900, Brazil
| | - Edson Crusca Junior
- São Paulo State University (Unesp), Institute of Chemistry, Araraquara, São Paulo CEP 14800-900, Brazil
| | - Jéssica Aparecida Serafim
- São Paulo State University (Unesp), School of Sciences and Engineering, Tupã, São Paulo CEP 17602-496, Brazil
| | - Andréia Bagliotti Meneguin
- São Paulo State University (Unesp), School of Pharmaceutical Sciences, Araraquara, São Paulo CEP 14801-902, Brazil
| | - Marlus Chorilli
- São Paulo State University (Unesp), School of Pharmaceutical Sciences, Araraquara, São Paulo CEP 14801-902, Brazil
| | - Wagner Costa Macedo
- São Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente, São Paulo CEP 19060-900, Brazil
| | - Silvio Rainho Teixeira
- São Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente, São Paulo CEP 19060-900, Brazil
| | | | - Nilce Maria Soares
- Poultry Health Specialized Laboratory, Biological Institute, Bastos, São Paulo CEP 17690000, Brazil
| | - Jessica M A Blair
- Institute of Microbiology and Infection, University of Birmingham, Birmingham B15 2TT, UK
| | - Zoe Pikramenou
- School of Chemistry, University of Birmingham, Birmingham B15 2TT, UK
| | - Eduardo Festozo Vicente
- São Paulo State University (Unesp), School of Sciences and Engineering, Tupã, São Paulo CEP 17602-496, Brazil.
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39
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Ji Y, Han Z, Ding H, Xu X, Wang D, Zhu Y, An F, Tang S, Zhang H, Deng J, Zhou Q. Enhanced Eradication of Bacterial/Fungi Biofilms by Glucose Oxidase-Modified Magnetic Nanoparticles as a Potential Treatment for Persistent Endodontic Infections. ACS APPLIED MATERIALS & INTERFACES 2021; 13:17289-17299. [PMID: 33827209 DOI: 10.1021/acsami.1c01748] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Bacterial/fungal biofilm-mediated persistent endodontic infections (PEIs) are one of the most frequent clinical lesions in the oral cavity, resulting in apical periodontitis and tooth damage caused by loss of minerals. The conventional root canal disinfectants are poorly bio-safe and harmful to teeth and tissues, making them ineffective in treating PEIs. The development of nanomaterials is emerging as a promising strategy to eradicate disease-related bacteria/fungi. Herein, glucose oxidase (GOx)-modified magnetic nanoparticles (MNPs) were synthesized via a facile and versatile route for investigating their effects on removing PEI-related bacterial/fungal biofilms. It is found that GOx was successfully immobilized on the MNPs by detecting the changes in the diameter, chemical functional group, charge, and magnetic response. Further, we demonstrate that GOx-modified MNPs (GMNPs) exhibit highly effective antibacterial activity against Enterococcus faecalis and Candida albicans. Moreover, the antibacterial/fungal activity of GMNPs is greatly dependent on their concentrations. Importantly, when placed in contact with bacterial/fungal biofilms, the dense biofilm matrix is destructed due to the movement of GMNPs induced by the magnetic field, the formation of reactive oxygen species, and nutrient starvation induced by GOx. Also, the in vitro experiment shows that the as-prepared GMNPs have excellent cytocompatibility and blood compatibility. Thus, GMNPs offer a novel strategy to treat bacteria/fungi-associated PEIs for potential clinical applications.
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Affiliation(s)
- Yanjing Ji
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
- School of Stomatology, Qingdao University, Qingdao 266003, China
| | - Zeyu Han
- School of Stomatology, Qingdao University, Qingdao 266003, China
| | - Han Ding
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266021, China
| | - Xinkai Xu
- School of Stomatology, Qingdao University, Qingdao 266003, China
| | - Danyang Wang
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
- School of Stomatology, Qingdao University, Qingdao 266003, China
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266021, China
| | - Yanli Zhu
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
- School of Stomatology, Qingdao University, Qingdao 266003, China
| | - Fei An
- School of Stomatology, Qingdao University, Qingdao 266003, China
| | - Shang Tang
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
- School of Stomatology, Qingdao University, Qingdao 266003, China
| | - Hui Zhang
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
- School of Stomatology, Qingdao University, Qingdao 266003, China
| | - Jing Deng
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
- School of Stomatology, Qingdao University, Qingdao 266003, China
| | - Qihui Zhou
- Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
- School of Stomatology, Qingdao University, Qingdao 266003, China
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266021, China
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40
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Gong M, Liu C, Liu C, Wang L, Shafiq F, Liu X, Sun G, Song Q, Qiao W. Biomimetic hydroxyapate/polydopamine composites with good biocompatibility and efficiency for uncontrolled bleeding. J Biomed Mater Res B Appl Biomater 2021; 109:1876-1892. [PMID: 33847453 DOI: 10.1002/jbm.b.34849] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 03/08/2021] [Accepted: 03/28/2021] [Indexed: 11/11/2022]
Abstract
Uncontrolled bleeding is thought to be the most deadly cause of pre-hospital, traffic, and military accidents death. However, the popular commercial hemostats can only realize the hemostasis of mild bleeding. Therefore, we developed polydopamine (PDA) composite materials (PMs), which applied hydroxyapatite as the parent body. The PMs were produced via lyophilization and functionalized with amino, phenol hydroxyls groups, which endowed hydrophobicity to materials. This ensured a high aggregation ability of blood cells to the PMs and they were tested to be as high as 300% compared with the negative control group. The clotting time was shortened to 79.7% compared with the usually used commercial hemostat (Celox) in the test of in vitro hemostasis. Through the results of PT and APTT tests, blood coagulation index test, and the analysis of intracellular Ca2+ activation, we further understood the mechanism of the hemostasis of the materials, which explained the low blood loss and quick coagulation time of the PM hemostats in detail. Besides, the low hemolysis and cytotoxicity of the PMs suggested the good biocompatibility of the hemostats, which was further proved by the regular morphology maintained by erythrocytes in the hemolysis tests. The study of nanoscale composites led the research for the methods of hemostasis.
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Affiliation(s)
- Mengxiang Gong
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P.R. China
| | - Chenyu Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P.R. China
| | - Chunyu Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P.R. China
| | - Lingyi Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P.R. China
| | - Farishta Shafiq
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P.R. China
| | - Xia Liu
- The First Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, P.R. China
| | - Guozhen Sun
- The First Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian, P.R. China
| | - Qiling Song
- School of Pharmaceutical Science and Technology, Dalian University of Technology, Dalian, P.R. China
| | - Weihong Qiao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P.R. China
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41
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Chitosan/alginate/hyaluronic acid polyelectrolyte composite sponges crosslinked with genipin for wound dressing application. Int J Biol Macromol 2021; 182:512-523. [PMID: 33848546 DOI: 10.1016/j.ijbiomac.2021.04.044] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 04/06/2021] [Accepted: 04/07/2021] [Indexed: 12/12/2022]
Abstract
Wound dressing composed of polyelectrolyte complexes (PECs), based on chitosan/alginate/hyaluronic acid (CS/ALG/HYA) crosslinked by genipin, was prepared by freeze-dried molding. Genipin as excellent natural biological crosslinker was chose for high biocompatibility and improving mechanical properties of materials. The CS/ALG/HYA sponges (CAHSs) were characterized by FTIR, XRD, DSC and SEM. Porosity, swelling behavior and mechanical properties and in vitro degradation of CAHSs were investigated. The cytotoxicity assay was carried out on HUVEC cells in vitro and the result proves the good biocompatibility of CAHSs. Hemolysis tests indicated that the prepared CAHSs were non-hemolytic material (hemolysis ratio < 5%, no cytotoxicity). PT and aPPT coagulation tests demonstrated that CAHS2 and CAHS3 could both activate the extrinsic and intrinsic coagulation pathway and thus accelerated blood coagulation. Further, in a rat full-thickness wounds model, the CAHS2 sponge significantly facilitates wound closure compared to other groups. CAHSs exhibited adjustable physical, mechanical and biological properties. Thus, the chitosan-based polyelectrolyte composite sponges exhibit great potential as promising wound dressings.
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42
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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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43
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Mullen DC, Wan X, Takala TM, Saris PE, Moreira VM. Precision Design of Antimicrobial Surfaces. FRONTIERS IN MEDICAL TECHNOLOGY 2021; 3:640929. [PMID: 35047910 PMCID: PMC8757849 DOI: 10.3389/fmedt.2021.640929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 01/28/2021] [Indexed: 11/13/2022] Open
Abstract
The overall expectation from an antimicrobial surface has been high considering the need for efficiency in preventing the attachment and growth of pathogenic microbes, durability, safety to both humans and environment as well as cost-effectiveness. To date, antimicrobial surface design has been mostly conducted liberally, without rigorous consideration of establishing robust structure-activity relationships for each design strategy or of the use intended for a specific antimicrobial material. However, the variability among the domain bacteria, which is the most diverse of all, alongside the highly dynamic nature of the bacteria-surface interface have taught us that the likelihood of finding universal antimicrobial surfaces is low. In this perspective we discuss some of the current hurdles faced by research in this promising field, emphasizing the relevance and complexity of probing the bacteria-surface interface, and explain why we feel it would greatly benefit from a more streamlined ad-hoc approach.
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Affiliation(s)
- Declan C Mullen
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
| | - Xing Wan
- Department of Microbiology, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland
| | - Timo M Takala
- Department of Microbiology, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland
| | - Per E Saris
- Department of Microbiology, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland
| | - V M Moreira
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
- Laboratory of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
- Centre for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
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44
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Ngece K, Aderibigbe BA, Ndinteh DT, Fonkui YT, Kumar P. Alginate-gum acacia based sponges as potential wound dressings for exuding and bleeding wounds. Int J Biol Macromol 2021; 172:350-359. [PMID: 33453258 DOI: 10.1016/j.ijbiomac.2021.01.055] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 12/06/2020] [Accepted: 01/09/2021] [Indexed: 12/20/2022]
Abstract
The improper management of wound exudates can expose the wound to bacterial invasion, skin maceration etc. thereby resulting in prolonged wound healing. Biopolymers are characterized by hydrophilic functional groups which when employed for the development of wound dressings promote the wound dressings capability to absorb a high amount of wound exudates. Alginate-gum acacia sponges were prepared from a combination of biopolymers such as sodium alginate and gum acacia in varying amounts with carbopol via crosslinking with 1 and 2% CaCl2. The prepared sponges were loaded with a combination of ampicillin and norfloxacin. In vitro antibacterial analysis revealed that the antibacterial activity of the loaded antibiotics was retained and the sponges were effective against gram-positive and gram-negative bacteria. The sponges displayed rapid and high absorption capability in the range of 1022-2419% at pH 5.5 simulating wound exudates, and 2268-5042% at pH 7.4 simulating blood within a period of 1-3 h. Furthermore, the whole blood clotting studies further revealed low absorbance values when compared to the control revealing the good clotting capability of the sponges. The unique features of the sponges revealed their potential application for the management of infected, high exuding and bleeding wounds.
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Affiliation(s)
- K Ngece
- Department of Chemistry, University of Fort Hare, Alice Campus, Eastern Cape, South Africa
| | - B A Aderibigbe
- Department of Chemistry, University of Fort Hare, Alice Campus, Eastern Cape, South Africa.
| | - D T Ndinteh
- Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, Johannesburg 2028, South Africa
| | - Y T Fonkui
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, South Africa
| | - P Kumar
- Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg 2193, South Africa
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45
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Yang X, Chen M, Li P, Ji Z, Wang M, Feng Y, Shi C. Fabricating poly(vinyl alcohol)/gelatin composite sponges with high absorbency and water-triggered expansion for noncompressible hemorrhage and wound healing. J Mater Chem B 2021; 9:1568-1582. [PMID: 33496718 DOI: 10.1039/d0tb02480e] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Composite sponges obtained from PVA and gelatin were synthesized by thiol–ene chemistry and used for controlling noncompressible hemorrhage.
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Affiliation(s)
- Xiao Yang
- Wenzhou Institute of Biomaterials and Engineering
- Wenzhou Institute
- University of Chinese Academy of Sciences
- Wenzhou
- China
| | - Miao Chen
- Eye hospital of Wenzhou Medical University
- Wenzhou Medical University
- Wenzhou
- China
| | - PengPeng Li
- Eye hospital of Wenzhou Medical University
- Wenzhou Medical University
- Wenzhou
- China
| | - Zhixiao Ji
- Wenzhou Institute of Biomaterials and Engineering
- Wenzhou Institute
- University of Chinese Academy of Sciences
- Wenzhou
- China
| | - Mingshan Wang
- The First Affiliated Hospital of Wenzhou Medical University
- Wenzhou Medical University
- Wenzhou
- China
| | - Yakai Feng
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)
- Tianjin 300350
- China
- Key Laboratory of Systems Bioengineering (Ministry of Education)
- Tianjin University
| | - Changcan Shi
- Wenzhou Institute of Biomaterials and Engineering
- Wenzhou Institute
- University of Chinese Academy of Sciences
- Wenzhou
- China
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46
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Huan Y, Kong Q, Mou H, Yi H. Antimicrobial Peptides: Classification, Design, Application and Research Progress in Multiple Fields. Front Microbiol 2020; 11:582779. [PMID: 33178164 PMCID: PMC7596191 DOI: 10.3389/fmicb.2020.582779] [Citation(s) in RCA: 564] [Impact Index Per Article: 141.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 09/23/2020] [Indexed: 12/12/2022] Open
Abstract
Antimicrobial peptides (AMPs) are a class of small peptides that widely exist in nature and they are an important part of the innate immune system of different organisms. AMPs have a wide range of inhibitory effects against bacteria, fungi, parasites and viruses. The emergence of antibiotic-resistant microorganisms and the increasing of concerns about the use of antibiotics resulted in the development of AMPs, which have a good application prospect in medicine, food, animal husbandry, agriculture and aquaculture. This review introduces the progress of research on AMPs comprehensively and systematically, including their classification, mechanism of action, design methods, environmental factors affecting their activity, application status, prospects in various fields and problems to be solved. The research progress on antivirus peptides, especially anti-coronavirus (COVID-19) peptides, has been introduced given the COVID-19 pandemic worldwide in 2020.
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Affiliation(s)
| | - Qing Kong
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
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Polymer-Based Materials Loaded with Curcumin for Wound Healing Applications. Polymers (Basel) 2020; 12:polym12102286. [PMID: 33036130 PMCID: PMC7600558 DOI: 10.3390/polym12102286] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/03/2020] [Accepted: 09/06/2020] [Indexed: 02/07/2023] Open
Abstract
Some of the currently used wound dressings have interesting features such as excellent porosity, good water-absorbing capacity, moderate water vapor transmission rate, high drug loading efficiency, and good capability to provide a moist environment, but they are limited in terms of antimicrobial properties. Their inability to protect the wound from microbial invasion results in wound exposure to microbial infections, resulting in a delayed wound healing process. Furthermore, some wound dressings are loaded with synthetic antibiotics that can cause adverse side effects on the patients. Natural-based compounds exhibit unique features such as good biocompatibility, reduced toxicity, etc. Curcumin, one such natural-based compound, has demonstrated several biological activities such as anticancer, antibacterial and antioxidant properties. Its good antibacterial and antioxidant activity make it beneficial for the treatment of wounds. Several researchers have developed different types of polymer-based wound dressings which were loaded with curcumin. These wound dressings displayed excellent features such as good biocompatibility, induction of skin regeneration, accelerated wound healing processes and excellent antioxidant and antibacterial activity. This review will be focused on the in vitro and in vivo therapeutic outcomes of wound dressings loaded with curcumin.
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Modification of starch: A review on the application of “green” solvents and controlled functionalization. Carbohydr Polym 2020; 241:116350. [DOI: 10.1016/j.carbpol.2020.116350] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 04/16/2020] [Accepted: 04/18/2020] [Indexed: 01/25/2023]
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Nešović K, Mišković‐Stanković V. A comprehensive review of the polymer‐based hydrogels with electrochemically synthesized silver nanoparticles for wound dressing applications. POLYM ENG SCI 2020. [DOI: 10.1002/pen.25410] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Katarina Nešović
- Faculty of Technology and MetallurgyUniversity of Belgrade Belgrade Serbia
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Wang C, Chen P, Qiao Y, Kang Y, Yan C, Yu Z, Wang J, He X, Wu H. pH responsive superporogen combined with PDT based on poly Ce6 ionic liquid grafted on SiO 2 for combating MRSA biofilm infection. Theranostics 2020; 10:4795-4808. [PMID: 32308750 PMCID: PMC7163436 DOI: 10.7150/thno.42922] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 03/05/2020] [Indexed: 02/07/2023] Open
Abstract
Background: Biofilm infection caused by multidrug-resistant bacteria is difficult to eradicate by conventional therapies. Photodynamic therapy (PDT) is an effective antibacterial method for fighting against biofilm infection. However, the blocked photosensitizers outside of biofilm greatly limit the efficacy of PDT. Methods: Herein, a novel acid-responsive superporogen and photosensitizer (SiO2-PCe6-IL) was developed. Because of the protonation of the photosensitizer and the high binding energy of the polyionic liquid, SiO2-PCe6-IL changed to positive SiO2-PIL+ in an acidic microenvironment of biofilm infection. SiO2-PIL+ could combine with negatively charged extracellular polymeric substances (EPS) and create holes to remove the biofilm barrier. To strengthen the interaction between SiO2-PIL+ and EPS, SiO2-PIL+ of high charge density was prepared by grafting the high-density initiation site of ATRP onto the surface of the SiO2 base. Results: Due to the rapid protonation rate of COO- and the strong binding energy of SiO2-PIL+ with EPS, SiO2-PCe6-IL could release 90% of Ce6 in 10 s. With the stronger electrostatic and hydrophobic interaction of SiO2-PIL+ with EPS, the surface potential, hydrophobicity, adhesion and mechanical strength of biofilm were changed, and holes in the biofilm were created in 10 min. Combining with the release of photosensitizers and the porous structure of the biofilm, Ce6 was efficiently concentrated in the biofilm. The in vitro and in vivo antibacterial experiments proved that SiO2-PCe6-IL dramatically improved the PDT efficacy against MRSA biofilm infection. Conclusion: These findings suggest that SiO2-PCe6-IL could rapidly increase the concentration of photosensitizer in biofilm and it is an effective therapy for combating biofilm infection.
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