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Sharma A, Kokil GR, He Y, Lowe B, Salam A, Altalhi TA, Ye Q, Kumeria T. Inorganic/organic combination: Inorganic particles/polymer composites for tissue engineering applications. Bioact Mater 2023; 24:535-550. [PMID: 36714332 PMCID: PMC9860401 DOI: 10.1016/j.bioactmat.2023.01.003] [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: 03/14/2022] [Revised: 12/19/2022] [Accepted: 01/03/2023] [Indexed: 01/13/2023] Open
Abstract
Biomaterials have ushered the field of tissue engineering and regeneration into a new era with the development of advanced composites. Among these, the composites of inorganic materials with organic polymers present unique structural and biochemical properties equivalent to naturally occurring hybrid systems such as bones, and thus are highly desired. The last decade has witnessed a steady increase in research on such systems with the focus being on mimicking the peculiar properties of inorganic/organic combination composites in nature. In this review, we discuss the recent progress on the use of inorganic particle/polymer composites for tissue engineering and regenerative medicine. We have elaborated the advantages of inorganic particle/polymer composites over their organic particle-based composite counterparts. As the inorganic particles play a crucial role in defining the features and regenerative capacity of such composites, the review puts a special emphasis on the various types of inorganic particles used in inorganic particle/polymer composites. The inorganic particles that are covered in this review are categorised into two broad types (1) solid (e.g., calcium phosphate, hydroxyapatite, etc.) and (2) porous particles (e.g., mesoporous silica, porous silicon etc.), which are elaborated in detail with recent examples. The review also covers other new types of inorganic material (e.g., 2D inorganic materials, clays, etc.) based polymer composites for tissue engineering applications. Lastly, we provide our expert analysis and opinion of the field focusing on the limitations of the currently used inorganic/organic combination composites and the immense potential of new generation of composites that are in development.
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Affiliation(s)
- Astha Sharma
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
| | - Ganesh R. Kokil
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- School of Pharmacy, University of Queensland, Woolloongabba, QLD, 4102, Australia
| | - Yan He
- Institute of Regenerative and Translational Medicine, Department of Stomatology, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, 430030, China
| | - Baboucarr Lowe
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
| | - Arwa Salam
- Chemistry Department, College of Science, Taif University, Taif, 21944, Saudi Arabia
| | - Tariq A. Altalhi
- Chemistry Department, College of Science, Taif University, Taif, 21944, Saudi Arabia
| | - Qingsong Ye
- Center of Regenerative Medicine, Department of Stomatology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
- Corresponding author. Center of Regenerative Medicine, Department of Stomatology, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
| | - Tushar Kumeria
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- School of Pharmacy, University of Queensland, Woolloongabba, QLD, 4102, Australia
- Corresponding author. School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia.
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Lactose azocalixarene drug delivery system for the treatment of multidrug-resistant pseudomonas aeruginosa infected diabetic ulcer. Nat Commun 2022; 13:6279. [PMID: 36270992 PMCID: PMC9586954 DOI: 10.1038/s41467-022-33920-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 10/06/2022] [Indexed: 12/25/2022] Open
Abstract
Diabetic wound is one of the most intractable chronic wounds that is prone to bacterial infection. Hypoxia is an important feature in its microenvironment. However, it is challenging for antimicrobial therapy to directly apply the existing hypoxia-responsive drug delivery systems due to the active targeting deficiency and the biofilm obstacle. Herein, we customizes a hypoxia-responsive carrier, lactose-modified azocalix[4]arene (LacAC4A) with the ability to actively target and inhibit biofilm. By loading ciprofloxacin (Cip), the resultant supramolecular nanoformulation Cip@LacAC4A demonstrates enhanced antibacterial efficacy resulting from both the increased drug accumulation and the controlled release at the site of infection. When applied on diabetic wounds together with multidrug-resistant Pseudomonas aeruginosa infection in vivo, Cip@LacAC4A induces definitely less inflammatory infiltration than free Cip, which translates into high wound healing performance. Importantly, such design principle provides a direction for developing antimicrobial drug delivery systems.
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Khosravani N, Ahmadi V, Kakanejadifard A, Adeli M. Thermoresponsive and antibacterial two-dimensional polyglycerol- interlocked-polynipam for targeted drug delivery. JOURNAL OF NANOSTRUCTURE IN CHEMISTRY 2022:1-11. [PMID: 36196295 PMCID: PMC9523184 DOI: 10.1007/s40097-022-00514-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 06/16/2023]
Abstract
Two-dimensional polymeric networks are a new class of polymers with interesting physicochemical and biological properties. They promise a wide range of future biomedical applications including pathogen interactions, drug delivery, bioimaging, photothermal, and photodynamic therapy, owing to their unique features, such as high surface area and multivalent interactions at nano-biointerfaces. In this work, a thermosensitive two-dimensional polymeric network consisting poly(N-isopropylacrylamide) (pNIPAM) chains that are mechanically interlocked by a polyglycerol platform was synthesized and used for bacteria incapacitation. Two-dimensional hyperbranched polyglycerol (2D-hPG) was synthesized by a graphene-assisted strategy and used for encapsulation of azobisisobutyronitrile (AIBN). Radical polymerization of N-isopropylacrylamide by encapsulated AIBN resulted in thermoresponsive platforms with ~ 500 nm lateral size and 20-50 nm thickness. Due to its porous structure, 2D-PNPG was able to efficiently load antibiotics, such as tetracycline (TC) and amoxicillin (AMX). The rate of release of antibiotics from 2D-PNPG and the antibacterial activity of the system correlated with the variation of temperature as a result of the thermosensitivity of 2D-PNPG. This study shows that two-dimensional polymers are efficient platforms for future biomedical applications including drug delivery and bacteria incapacitation. Graphical abstract Thermoresponsive two-dimensional nanomaterials with the ability of loading therapeutic agents and antibacterial activity are synthesized and characterized.
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Affiliation(s)
- Nasim Khosravani
- Department of Chemistry, Faculty of Science, Lorestan University, Khoramabad, 68151-44316 Iran
| | - Vahid Ahmadi
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Ali Kakanejadifard
- Department of Chemistry, Faculty of Science, Lorestan University, Khoramabad, 68151-44316 Iran
| | - Mohsen Adeli
- Department of Chemistry, Faculty of Science, Lorestan University, Khoramabad, 68151-44316 Iran
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Xue Y, Bai H, Peng B, Tieu T, Jiang J, Hao S, Li P, Richardson M, Baell J, Thissen H, Cifuentes A, Li L, Voelcker NH. Porous Silicon Nanocarriers with Stimulus-Cleavable Linkers for Effective Cancer Therapy. Adv Healthc Mater 2022; 11:e2200076. [PMID: 35306736 DOI: 10.1002/adhm.202200076] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/19/2022] [Indexed: 12/13/2022]
Abstract
Porous silicon nanoparticles (pSiNPs) are widely utilized as drug carriers due to their excellent biocompatibility, large surface area, and versatile surface chemistry. However, the dispersion in pore size and biodegradability of pSiNPs arguably have hindered the application of pSiNPs for controlled drug release. Here, a step-changing solution to this problem is described involving the design, synthesis, and application of three different linker-drug conjugates comprising anticancer drug doxorubicin (DOX) and different stimulus-cleavable linkers (SCLs) including the photocleavable linker (ortho-nitrobenzyl), pH-cleavable linker (hydrazone), and enzyme-cleavable linker (β-glucuronide). These SCL-DOX conjugates are covalently attached to the surface of pSiNP via copper (I)-catalyzed alkyne-azide cycloaddition (CuAAC, i.e., click reaction) to afford pSiNP-SCL-DOXs. The mass loading of the covalent conjugation approach for pSiNP-SCL-DOX reaches over 250 µg of DOX per mg of pSiNPs, which is notably twice the mass loading achieved by noncovalent loading. Moreover, the covalent conjugation between SCL-DOX and pSiNPs endows the pSiNPs with excellent stability and highly controlled release behavior. When tested in both in vitro and in vivo tumor models, the pSiNP-SCL-DOXs induces excellent tumor growth inhibition.
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Affiliation(s)
- Yufei Xue
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Hua Bai
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Bo Peng
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Terence Tieu
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Jiamin Jiang
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Shiping Hao
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Panpan Li
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Mark Richardson
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Clayton Victoria 3168 Australia
| | - Jonathan Baell
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Helmut Thissen
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Clayton Victoria 3168 Australia
| | - Anna Cifuentes
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Lin Li
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Nicolas H. Voelcker
- Frontiers Science Center for Flexible Electrons Xi'an institute of Flexible Electrons (IFE) and Xi'an institute of Biomedical Materials and Engineering Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
- Drug Delivery, Disposition and Dynamics Monash institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) Clayton Victoria 3168 Australia
- Melbourne Centre for Nanofabrication Victorian Node of the Australian National Fabrication Facility Clayton Victoria 3168 Australia
- Department of Materials Science and Engineering Monash University Clayton Victoria 3168 Australia
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Chen X, Zhu Q, Wen Y, Li Z, Cao S, Yan H, Lin Q. Chemical modification of alginate via the oxidation-reductive amination reaction for the development of alginate derivative electrospun composite nanofibers. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Singh B, Sharma V, Kumar RAA. Designing moringa gum-sterculia gum-polyacrylamide hydrogel wound dressings for drug delivery applications. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2021. [DOI: 10.1016/j.carpta.2021.100062] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Wei X, Li J, Zhang Y, Zheng Y, Zhang Y, Meng H, Wu G, Hu Y, Gao Y, Huang S, Wang W, Cheng Y, Wu Z, Zhang X. Synergy between Clinical Microenvironment Targeted Nanoplatform and Near-Infrared Light Irradiation for Managing Pseudomonas aeruginosa Infections. ACS APPLIED MATERIALS & INTERFACES 2021; 13:38979-38989. [PMID: 34433249 DOI: 10.1021/acsami.1c08132] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Chronic infections caused by Pseudomonas aeruginosa pose severe threats to human health. Traditional antibiotic therapy has lost its total supremacy in this battle. Here, nanoplatforms activated by the clinical microenvironment are developed to treat P. aeruginosa infection on the basis of dynamic borate ester bonds. In this design, the nanoplatforms expose targeted groups for bacterial capture after activation by an acidic infection microenvironment, resulting in directional transport delivery of the payload to bacteria. Subsequently, the production of hyperpyrexia and reactive oxygen species enhances antibacterial efficacy without systemic toxicity. Such a formulation with a diameter less than 200 nm can eliminate biofilm up to 75%, downregulate the level of cytokines, and finally promote lung repair. Collectively, the biomimetic design with phototherapy killing capability has the potential to be an alternative strategy against chronic infections caused by P. aeruginosa.
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Affiliation(s)
- Xiaosong Wei
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jie Li
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yufei Zhang
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yin Zheng
- NHC Key Laboratory of Hormones and Development, Tianjin Key Laboratory of Metabolic Diseases, Chu Hsien-I Memorial Hospital & Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin 300134, China
| | - Yanlong Zhang
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Huipeng Meng
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Guolin Wu
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yuqing Hu
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yingchao Gao
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Siyuan Huang
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Wenbo Wang
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yijie Cheng
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Zhongming Wu
- NHC Key Laboratory of Hormones and Development, Tianjin Key Laboratory of Metabolic Diseases, Chu Hsien-I Memorial Hospital & Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin 300134, China
| | - Xinge Zhang
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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Farahani M, Shafiee A. Wound Healing: From Passive to Smart Dressings. Adv Healthc Mater 2021; 10:e2100477. [PMID: 34174163 DOI: 10.1002/adhm.202100477] [Citation(s) in RCA: 205] [Impact Index Per Article: 68.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 05/06/2021] [Indexed: 12/13/2022]
Abstract
The universal increase in the number of patients with nonhealing skin wounds imposes a huge social and economic burden on the patients and healthcare systems. Although, the application of traditional wound dressings contributes to an effective wound healing outcome, yet, the complexity of the healing process remains a major health challenge. Recent advances in materials and fabrication technologies have led to the fabrication of dressings that provide proper conditions for effective wound healing. The 3D-printed wound dressings, biomolecule-loaded dressings, as well as smart and flexible bandages are among the recent alternatives that have been developed to accelerate wound healing. Additionally, the new generation of wound dressings contains a variety of microelectronic sensors for real-time monitoring of the wound environment and is able to apply required actions to support the healing progress. Moreover, advances in manufacturing flexible microelectronic sensors enable the development of the next generation of wound dressing substrates, known as electronic skin, for real-time monitoring of the whole physiochemical markers in the wound environment in a single platform. The current study reviews the importance of smart wound dressings as an emerging strategy for wound care management and highlights different types of smart dressings for promoting the wound healing process.
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Affiliation(s)
- Mojtaba Farahani
- Department of Biomedical Engineering Amirkabir University of Technology Tehran 1591634311 Iran
| | - Abbas Shafiee
- UQ Diamantina Institute Translational Research Institute The University of Queensland Brisbane QLD 4102 Australia
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Engineering of cerium oxide loaded chitosan/polycaprolactone hydrogels for wound healing management in model of cardiovascular surgery. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.03.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Jin Y, Yang Y, Duan W, Qu X, Wu J. Synergistic and On-Demand Release of Ag-AMPs Loaded on Porous Silicon Nanocarriers for Antibacteria and Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2021; 13:16127-16141. [PMID: 33787222 DOI: 10.1021/acsami.1c02161] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Due to the abuse of antibiotics, antimicrobial resistance is rapidly emerging and becoming a major global risk for public health. Thus, there is an urgent need for reducing the use of antibiotics, finding novel treatment approaches, and developing controllable release systems. In this work, a dual synergistic antibacterial platform with on-demand release ability based on silver nanoparticles (AgNPs) and antimicrobial peptide (AMP) coloaded porous silicon (PSi) was developed. The combination of AgNPs and AMPs (Tet-213, KRWWKWWRRC) exhibited an excellent synergistic antibacterial effect. As a carrier, porous silicon can efficiently load AgNPs and AMP under mild conditions and give the platform an on-demand release ability and a synergistic release effect. The AgNPs and AMP coloaded porous silicon microparticles (AgNPs-AMP@PSiMPs) exhibited an acid pH and reactive oxygen species (ROS)-stimulated release of silver ions (Ag+) and AMPs under bacterial infection conditions because of oxidation and desorption effects. Moreover, the release of the bactericide could be promoted by each other due to the interplay between AgNPs and Tet-213. In vitro antibacterial tests demonstrated that AgNPs-AMP@PSiMPs inherited the intrinsic properties and synergistic antibacterial efficiency of both bactericides. In addition, wound dressing loaded with AgNPs-AMP@PSiMPs showed outstanding in vivo bacteria-killing activity, accelerating wound-healing, and low biotoxicity in aStaphylococcus aureus-infected rat wound model. The present work demonstrated that PSiMPS might be an efficient platform for loading the antibiotic-free bactericide, which could synergistically and on-demand release to fight wound infection and promote wound healing.
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Affiliation(s)
- Yao Jin
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Yudong Yang
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Wei Duan
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Xuetong Qu
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Jianmin Wu
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
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Wang Y, Zhang J, Gao T, Zhang N, He J, Wu F. Covalent immobilization of DJK-5 peptide on porous titanium for enhanced antibacterial effects and restrained inflammatory osteoclastogenesis. Colloids Surf B Biointerfaces 2021; 202:111697. [PMID: 33756295 DOI: 10.1016/j.colsurfb.2021.111697] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 03/10/2021] [Accepted: 03/11/2021] [Indexed: 10/21/2022]
Abstract
Currently, implant-related bone infection characterized by aggravated infection-induced inflammatory responses and osteolysis, remains a severe challenge in orthopedic surgery, especially in patients with osteoporosis. Attempts to control such responses using biomaterials with combined immunomodulatory and anti-bacterial properties may provide novel strategies. Herein, DJK-5, a class of host defense peptides (HDPs) with established antimicrobial and immunomodulatory functions, was introduced into porous Ti alloy. Our results indicated that the DJK-5 immobilized surfaces showed intrinsically multifunctional properties, including antibacterial ability, anti-inflammation, biocompatibility and osteolysis-inhibiting properties. The results demonstrated that the antibacterial efficiency of DJK-5 functionalized surfaces was over 90 % for both Gram-positive and Gram-negative bacteria. Specifically, DJK-5 functionalized samples also possessed the excellent anti-bacterial activity against a mixture of bacterial strains, including S. aureus, S. epidermidis and P. aeruginosa, with an antibacterial rate against mixed bacteria reaching 91.36 %, as well as reduced biofilm formation. The remarkable anti-bacterial efficacy was likely based on the direct anti-bacterial effect of DJK-5, which destroyed the integrity of bacteria membranes, leading to the leakage of intracellular materials. Additionally, the immobilized DJK-5 surfaces could indirectly kill bacteria through promoted macrophage capacity to bacteria uptake. Furthermore, DJK-5 functionalized surfaces suppressed inflammatory reaction by decreasing the release of pro-inflammatory factors and increasing the secretions of anti-inflammatory factors, and thereby impeded the activation of NF-κB signal pathway, which resulted in the disruption of the actin rings and decreased Tracp5b expressions. Based on these promising findings, the multi-functional DJK-5 immobilized titanium represents an efficient alternative to realize better osseointegration in sever implant-associated bacterial infections.
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Affiliation(s)
- Yao Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, PR China
| | - Junwei Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, PR China
| | - Tao Gao
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, PR China
| | - Nihui Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, PR China
| | - Jing He
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, PR China.
| | - Fang Wu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, 610064, PR China.
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Kaur B, Kaur G, Chaudhary GR, Sharma VK, Srinivasan H, Mitra S, Sharma A, Gawali SL, Hassan P. An investigation of morphological, microscopic dynamics, fluidity, and physicochemical variations in Cu-decorated metallosomes with cholesterol. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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13
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Jiang P, Ji H, Li G, Chen S, Lv L. Structure formation in pH-sensitive micro porous membrane from well-defined ethyl cellulose-g-PDEAEMA via non-solvent-induced phase separation process. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2020. [DOI: 10.1080/10601325.2020.1722691] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Ping Jiang
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan, P. R. China
| | - Hongmin Ji
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan, P. R. China
| | - Gen Li
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan, P. R. China
| | - Shaowei Chen
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan, P. R. China
| | - Linda Lv
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan, P. R. China
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Nangare S, Jadhav N, Ghagare P, Muthane T. Pharmaceutical applications of electrospinning. ANNALES PHARMACEUTIQUES FRANÇAISES 2019; 78:1-11. [PMID: 31564424 DOI: 10.1016/j.pharma.2019.07.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 07/06/2019] [Accepted: 07/08/2019] [Indexed: 12/20/2022]
Abstract
Development of tailor-made pharmaceutical nanofibers has gained vital prominence due to ease of fabrication and versatility of electrospinning (ES). ES is one of the flexible and, wonderful strategies for the fabrication of nanofibers. ES unit comprises a supplier of high voltage current, a syringe (pump), spinneret and a metal plate collector. The obtained nanofibers are optimized by manipulating process and formulation variables Viz: polymer/drug resolution (viscosity, concentration, physical phenomenon, molecular mass) and the environmental conditions (humidity, temperature). The electrospun nanofibers can be used for loading of the drug, amorphization of a crystalline API and an increase in its physical storage stability. ES technique enables mixing of two or more API and may facilitate or inhibit the burst release of a drug, along with attainment of modified release. Additionally, nanofibers demonstrate a reduction in overall dose needed for the therapeutic activity, by improving dissolution and bioavailability of the drugs. The current review is an attempt to focus on ES method, the optimization parameters, and pharmaceutical applications of the electrospun nanofibers.
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Affiliation(s)
- Sopan Nangare
- Department of Pharmaceutics, Bharati Vidyapeeth College of Pharmacy, 127 SOC. NO. 1. R. K. Nagar, 416013 Kolhapur, India
| | - Namdeo Jadhav
- Department of Pharmaceutics, Bharati Vidyapeeth College of Pharmacy, 127 SOC. NO. 1. R. K. Nagar, 416013 Kolhapur, India.
| | - Pravin Ghagare
- Department of Pharmaceutics, Bharati Vidyapeeth College of Pharmacy, 127 SOC. NO. 1. R. K. Nagar, 416013 Kolhapur, India
| | - Tejashwini Muthane
- Department of Pharmaceutics, Bharati Vidyapeeth College of Pharmacy, 127 SOC. NO. 1. R. K. Nagar, 416013 Kolhapur, India
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