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Al-Harrasi Y, Al-Hadhrami SA, Varghese B, Al.Busafi SN, Suliman FO, Al Kindy SM. Experimental and theoretical insights into the enhanced intramolecular charge transfer fluorescence of a 3(2H)-furanone based d-π-A compounds tailored with dialkyl chains. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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2
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In Vivo Biological Evaluation of Biodegradable Nanofibrous Membranes Incorporated with Antibiofilm Compounds. Polymers (Basel) 2021; 13:polym13152457. [PMID: 34372057 PMCID: PMC8347157 DOI: 10.3390/polym13152457] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/19/2021] [Accepted: 07/20/2021] [Indexed: 12/20/2022] Open
Abstract
Guided bone regeneration involves excluding non-osteogenic cells from the surrounding soft tissues and allowing osteogenic cells originating from native bone to inhabit the defect. The aim of this work was to fabricate, analyze antibiofilm activity and evaluate in vivo biological response of poly (lactic-co-glycolic acid) (PLGA) electrospun membranes incorporated with tea tree oil and furan-2(5H)-one. Samples were exposed to Streptococcus mutans culture and after 48 h incubation, biofilm was evaluated by colony forming units (CFU/mL) followed by scanning electron microscopy. Additionally, seventy-five Balb-C mice were divided into five experimental groups for subcutaneous implantation: tea tree oil loaded PLGA electrospun fiber membrane, furanone loaded PLGA electrospun fiber membrane, neat PLGA electrospun fiber membrane, a commercially available PLGA membrane –Pratix® and Sham (no-membrane implantation). Post implantation period of each experimental group (1, 3 and 9 weeks), samples were collected and processed for by histological descriptive and semiquantitative evaluation. Results showed a significant reduction of bacterial attachment on tea tree oil and furan-2(5H)-one incorporated membranes. Macrophage counts were significant found in all the materials implanted, although giant cells were predominantly associated with electrospun fiber membranes. The incorporation of antibiofilm compounds in nanofibers membranes did not incite inflammatory response significantly different in comparison with pure PLGA electrospun membranes, indicating its potential for development of novel functionalized membranes targeting the inhibition of bacterial biofilms on membrane-grafting materials.
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Zhong T, Zheng X, Yin C, Shen Q, Yu C. Copper-Catalyzed Phosphorylation of 2,3-Allenoic Acids and Phosphine Oxide: Access to Phosphorylated Butenolides. J Org Chem 2021; 86:9699-9710. [PMID: 34184529 DOI: 10.1021/acs.joc.1c00998] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We investigated a novel Cu-catalyzed annulation of 2,3-allenoic acids with diphenylphosphine oxide, leading to the formation of 4-phosphate butenolides in up to 88% yield. The formation of the C-P bond provides new avenues for the functionalization of different furan-2(5H)-ones, with favorable features such as suitable functional group tolerance and mild synthesis conditions.
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Affiliation(s)
- Tianshuo Zhong
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Xiangyun Zheng
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Chuanliu Yin
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Qitao Shen
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Chuanming Yu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P.R. China
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Ifra, Kongkham B, Sharma S, Chaurasiya A, Biswal AK, Hariprasad P, Saha S. Development of non‐leaching antibacterial coatings through quaternary ammonium salts of styrene based copolymers. J Appl Polym Sci 2020. [DOI: 10.1002/app.50422] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ifra
- Department of Materials Science and Engineering Indian Institute of Technology Delhi New Delhi India
| | - Bhani Kongkham
- Centre for Rural Development and Technology Indian Institute of Technology Delhi New Delhi India
| | - Shivangi Sharma
- Department of Materials Science and Engineering Indian Institute of Technology Delhi New Delhi India
| | - Alok Chaurasiya
- Department of Materials Science and Engineering Indian Institute of Technology Delhi New Delhi India
| | - Agni K. Biswal
- Department of Materials Science and Engineering Indian Institute of Technology Delhi New Delhi India
| | - P. Hariprasad
- Centre for Rural Development and Technology Indian Institute of Technology Delhi New Delhi India
| | - Sampa Saha
- Department of Materials Science and Engineering Indian Institute of Technology Delhi New Delhi India
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Cheng Y, Mei S, Kong X, Liu X, Gao B, Chen B, Wu J. Long-term antibacterial activity of a composite coating on titanium for dental implant application. J Biomater Appl 2020; 35:643-654. [PMID: 33045872 DOI: 10.1177/0885328220963934] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Dental implants are the most innovative and superior treatment modality for tooth replacement. However, titanium implants still suffer from insufficient antibacterial capability and peri-implant diseases remain one of the most common and intractable complications. To prevent peri-implant diseases, a composite coating containing a new antibacterial agent, (Z-)-4-bromo-5-(bromomethylene)-2(5H)-furanone (BBF) was fabricated on titanium. This study was designed to investigate the antibacterial activity of the composite coating against two common peri-implant pathogens (Porphyromonas gingivalis and Actinobacillus actinomycetemcomitans). The morphology of the composite coating showed that BBF-loaded poly(L-lactic acid) nanospheres were well-distributed in the pores of the microarc oxidation coating, and cross-linked with each other and the wall pores by gelatin. A release study indicated that the antibacterial coating could sustain the release of BBF for 60 d, with a slight initial burst release occurring during the first 4 h. The antibacterial rate of the composite coating for adhering bacteria was the highest (over 97%) after 1 d and over 90% throughout a 30-day incubation period. The total fluorescence intensity of the composite coating was the lowest, and the vast majority of the fluorescence was red (dead bacteria). Moreover, real-time polymerase chain reaction analysis confirmed that the relative gene expression of the adherent bacteria on the composite coating was down-regulated. It was therefore concluded that the composite coating fabricated on titanium, which showed excellent and relatively long-term antibacterial activity against Porphyromonas gingivalis and Actinobacillus actinomycetemcomitans, is a potential and promising strategy to be applied on dental implants for the prevention of peri-implant diseases.
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Affiliation(s)
- Yicheng Cheng
- Department of Stomatology, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Shenglin Mei
- Department of Prothodontics, College of Stomatology, Xi'an Jiaotong University, Xi'an, China
| | - Xiangwei Kong
- Department of Stomatology, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xianghui Liu
- Department of Stomatology, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Bo Gao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, China *These authors contributed equally to this work
| | - Bo Chen
- Department of Stomatology, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Jiang Wu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, China *These authors contributed equally to this work
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6
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Devadas SM, Nayak UY, Narayan R, Hande MH, Ballal M. 2,5-Dimethyl-4-hydroxy-3(2H)-furanone as an Anti-biofilm Agent Against Non-Candida albicans Candida Species. Mycopathologia 2019; 184:403-411. [PMID: 31187338 DOI: 10.1007/s11046-019-00341-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Accepted: 05/24/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND The predominance of non-Candida albicans Candida (NCAC) species causing healthcare-associated infections has increased over the last decade pertaining to their ability to form biofilms on medical devices. These biofilm-associated infections are challenging to treat as they are resistant to antifungal agents and evade host-immune response resulting in a high risk of device failure or biomaterial removal. Thus, to minimize the risk of biofilm-associated infections, preventing biofilm formation is the best approach which is mediated by the quorum quenching process. METHODS The present study investigated the modulatory effect of 2,5-dimethyl-4-hydroxy-3(2H)-furanone (DMHF) on NCAC biofilm formation and also assessed the effect of the DMHF-coated catheters on biofilm formation of NCAC. The NCAC isolates studied were Candida tropicalis, Candida glabrata and Candida krusei isolated from catheter tip, urine and blood, respectively. RESULTS DMHF at a concentration of 30 µg/mL showed an inhibitory effect against NCAC biofilms at various stages and was statistically significant (p ≤ 0.05) against the various concentrations (50-5 µg/mL) tested and also among the three phases of experiment. The furanone content on coated catheters ranged from 170 to 750 µg and release of furanone from the coated catheter was about 15 µg for 30 days. The effect of DMHF-coated catheters on NCAC biofilm formation was observed by the scanning electron microscopy which revealed the absence of NCAC adherence on DMHF-coated catheters. DISCUSSION This study provides a design to develop furanone-coated biomaterials which could be implemented in healthcare settings to reduce medical device-associated infections. The excellent biological performance, combined with their antimicrobial properties, suggests that 2,5-dimethyl-4-hydroxy-3(2H)-furanone could be an effective anti-infective coating for implantable devices.
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Affiliation(s)
- Suganthi Martena Devadas
- Enteric Diseases Division, Central Research Laboratory, Department of Microbiology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Usha Y Nayak
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Reema Narayan
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Manjunath H Hande
- Department of Medicine, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Mamatha Ballal
- Enteric Diseases Division, Central Research Laboratory, Department of Microbiology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
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Aslam B, Wang W, Arshad MI, Khurshid M, Muzammil S, Rasool MH, Nisar MA, Alvi RF, Aslam MA, Qamar MU, Salamat MKF, Baloch Z. Antibiotic resistance: a rundown of a global crisis. Infect Drug Resist 2018; 11:1645-1658. [PMID: 30349322 PMCID: PMC6188119 DOI: 10.2147/idr.s173867] [Citation(s) in RCA: 1139] [Impact Index Per Article: 189.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The advent of multidrug resistance among pathogenic bacteria is imperiling the worth of antibiotics, which have previously transformed medical sciences. The crisis of antimicrobial resistance has been ascribed to the misuse of these agents and due to unavailability of newer drugs attributable to exigent regulatory requirements and reduced financial inducements. Comprehensive efforts are needed to minimize the pace of resistance by studying emergent microorganisms, resistance mechanisms, and antimicrobial agents. Multidisciplinary approaches are required across health care settings as well as environment and agriculture sectors. Progressive alternate approaches including probiotics, antibodies, and vaccines have shown promising results in trials that suggest the role of these alternatives as preventive or adjunct therapies in future.
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Affiliation(s)
- Bilal Aslam
- Department of Microbiology, Government College University Faisalabad, Faisalabad, Pakistan
| | - Wei Wang
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing, China
| | - Muhammad Imran Arshad
- Institute of Microbiology, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Mohsin Khurshid
- Department of Microbiology, Government College University Faisalabad, Faisalabad, Pakistan.,College of Allied Health Professionals, Directorate of Medical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Saima Muzammil
- Department of Microbiology, Government College University Faisalabad, Faisalabad, Pakistan
| | | | - Muhammad Atif Nisar
- Department of Microbiology, Government College University Faisalabad, Faisalabad, Pakistan
| | - Ruman Farooq Alvi
- Department of Microbiology, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Aamir Aslam
- Institute of Microbiology, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Muhammad Usman Qamar
- Department of Microbiology, Government College University Faisalabad, Faisalabad, Pakistan
| | | | - Zulqarnain Baloch
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China,
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Francolini I, Vuotto C, Piozzi A, Donelli G. Antifouling and antimicrobial biomaterials: an overview. APMIS 2017; 125:392-417. [PMID: 28407425 DOI: 10.1111/apm.12675] [Citation(s) in RCA: 159] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Accepted: 01/14/2017] [Indexed: 12/12/2022]
Abstract
The use of implantable medical devices is a common and indispensable part of medical care for both diagnostic and therapeutic purposes. However, as side effect, the implant of medical devices quite often leads to the occurrence of difficult-to-treat infections, as a consequence of the colonization of their abiotic surfaces by biofilm-growing microorganisms increasingly resistant to antimicrobial therapies. A promising strategy to combat device-related infections is based on anti-infective biomaterials that either repel microbes, so they cannot attach to the device surfaces, or kill them in the surrounding areas. In general, such biomaterials are characterized by antifouling coatings, exhibiting low adhesion or even repellent properties towards microorganisms, or antimicrobial coatings, able to kill microbes approaching the surface. In this light, the present overview will address the development in the last two decades of antifouling and antimicrobial biomaterials designed to potentially limit the initial stages of microbial adhesion, as well as the microbial growth and biofilm formation on medical device surfaces.
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Affiliation(s)
| | - Claudia Vuotto
- Microbial Biofilm Laboratory, IRCCS Fondazione Santa Lucia, Rome
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9
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Cho YJ, Song HY, Ben Amara H, Choi BK, Eunju R, Cho YA, Seol Y, Lee Y, Ku Y, Rhyu IC, Koo KT. In Vivo Inhibition ofPorphyromonas gingivalisGrowth and Prevention of Periodontitis With Quorum-Sensing Inhibitors. J Periodontol 2016; 87:1075-82. [DOI: 10.1902/jop.2016.160070] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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10
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Rodrigues AI, Franco AR, Rodrigues FJ, Leonor IB, Reis RL. Unveiling the effect of three-dimensional bioactive fibre mesh scaffolds functionalized with silanol groups on bacteria growth. J Biomed Mater Res A 2016; 104:2189-99. [DOI: 10.1002/jbm.a.35761] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 03/23/2016] [Accepted: 04/21/2016] [Indexed: 12/27/2022]
Affiliation(s)
- Ana I. Rodrigues
- 3B's Research Group-Biomaterials, Biodegradables, and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciênca e Tecnologia, Zona Industrial Da Gandra; 4805-017 Barco GMR Portugal
- ICVS/3B's-PT Government Associate Laboratory; Braga/Guimarães Portugal
| | - Albina R. Franco
- 3B's Research Group-Biomaterials, Biodegradables, and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciênca e Tecnologia, Zona Industrial Da Gandra; 4805-017 Barco GMR Portugal
- ICVS/3B's-PT Government Associate Laboratory; Braga/Guimarães Portugal
| | - Fernando J. Rodrigues
- ICVS/3B's-PT Government Associate Laboratory; Braga/Guimarães Portugal
- School of Health Sciences; University of Minho, Life and Health Sciences Research Institute; Braga Portugal
| | - Isabel B. Leonor
- 3B's Research Group-Biomaterials, Biodegradables, and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciênca e Tecnologia, Zona Industrial Da Gandra; 4805-017 Barco GMR Portugal
- ICVS/3B's-PT Government Associate Laboratory; Braga/Guimarães Portugal
| | - Rui L. Reis
- 3B's Research Group-Biomaterials, Biodegradables, and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciênca e Tecnologia, Zona Industrial Da Gandra; 4805-017 Barco GMR Portugal
- ICVS/3B's-PT Government Associate Laboratory; Braga/Guimarães Portugal
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11
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Cheng Y, Gao B, Liu X, Zhao X, Sun W, Ren H, Wu J. In vivo evaluation of an antibacterial coating containing halogenated furanone compound-loaded poly(l-lactic acid) nanoparticles on microarc-oxidized titanium implants. Int J Nanomedicine 2016; 11:1337-47. [PMID: 27099494 PMCID: PMC4821396 DOI: 10.2147/ijn.s100763] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
To prevent peri-implant infection, a new antibacterial coating containing a halogenated furanone compound, (Z-)-4-bromo-5-(bromomethylene)-2(5H)-furanone-loaded poly(l-lactic acid) nanoparticles, has been fabricated. The current study was designed to evaluate the preventive effect of the antibacterial coating under a simulated environment of peri-implant infection in vivo. Microarc-oxidized titanium implants treated with minocycline hydrochloride ointment were used as positive control group, and microarc-oxidized titanium implants without any treatment were used as blank control group. Three kinds of implants were implanted in dogs’ mandibles, and the peri-implant infection was simulated by silk ligation and feeding high sugar diet. After 2-month implantation, the results showed that no significant differences were detected between the experimental and positive control groups (P>0.05), but the data of clinical measurements of the blank control group were significantly higher than those of the other two groups (P<0.05), and the bone–implant contact rate and ultimate interfacial strength were significantly lower than those of the other two groups (P<0.05). Scanning electron microscope observation and histological examination showed that more new bone was formed on the surface of the experimental and positive control groups. It can be concluded that the antibacterial coating fabricated on implants has remarkable preventive effect on peri-implant infection at the early stage.
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Affiliation(s)
- Yicheng Cheng
- Department of Prosthodontics, State Key Laboratory of Military Stomatology, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China; Department of Stomatology, Bayi Hospital, Nanjing University of Chinese Medicine, Nanjing, People's Republic of China; Department of Prosthodontics, Shaanxi Key Laboratory of Stomatology, Xi'an, People's Republic of China
| | - Bo Gao
- Department of Prosthodontics, State Key Laboratory of Military Stomatology, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China; Department of Prosthodontics, Shaanxi Key Laboratory of Stomatology, Xi'an, People's Republic of China
| | - Xianghui Liu
- Department of Stomatology, Bayi Hospital, Nanjing University of Chinese Medicine, Nanjing, People's Republic of China
| | - Xianghui Zhao
- Institute of Neuroscience, School of Basical Medical Science, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Weige Sun
- Department of Stomatology, Bayi Hospital, Nanjing University of Chinese Medicine, Nanjing, People's Republic of China
| | - Huifang Ren
- Department of Prosthodontics, State Key Laboratory of Military Stomatology, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China; Department of Prosthodontics, Shaanxi Key Laboratory of Stomatology, Xi'an, People's Republic of China
| | - Jiang Wu
- Department of Prosthodontics, State Key Laboratory of Military Stomatology, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China; Department of Prosthodontics, Shaanxi Key Laboratory of Stomatology, Xi'an, People's Republic of China
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Ho SL, Yoon IC, Cho CS, Choi HJ. A recyclable metal-organic framework MOF-199 catalyst in coupling and cyclization of β-bromo-α,β-unsaturated carboxylic acids with terminal alkynes leading to alkylidenefuranones. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.05.040] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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13
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Cheng Y, Zhao X, Liu X, Sun W, Ren H, Gao B, Wu J. Antibacterial activity and biological performance of a novel antibacterial coating containing a halogenated furanone compound loaded poly(L-lactic acid) nanoparticles on microarc-oxidized titanium. Int J Nanomedicine 2015; 10:727-37. [PMID: 25632231 PMCID: PMC4304594 DOI: 10.2147/ijn.s75706] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Titanium implants have been widely used for many medical applications, but bacterial infection after implant surgery remains one of the most common and intractable complications. To this end, long-term antibacterial ability of the implant surface is highly desirable to prevent implant-associated infection. In this study, a novel antibacterial coating containing a new antibacterial agent, (Z-)-4-bromo-5-(bromomethylene)-2(5H)-furanone loaded poly(L-lactic acid) nanoparticles, was fabricated on microarc-oxidized titanium for this purpose. The antibacterial coating produced a unique inhibition zone against Staphylococcus aureus throughout a 60-day study period, which is normally long enough to prevent the infection around implants in the early and intermediate stages. The antibacterial rate for adherent S. aureus was about 100% in the first 10 days and constantly remained over 90% in the following 20 days. Fluorescence staining of adherent S. aureus also confirmed the excellent antibacterial ability of the antibacterial coating. Moreover, in vitro experiments showed an enhanced osteoblast adhesion and proliferation on the antibacterial coating, and more notable cell spread was observed at the early stage. It is therefore concluded that the fabricated antibacterial coating, which exhibits relatively long-term antibacterial ability and excellent biological performance, is a potential and promising strategy to prevent implant-associated infection.
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Affiliation(s)
- Yicheng Cheng
- State Key Laboratory of Military Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China ; Department of Stomatology, Jingdu Hospital, Nanjing, People's Republic of China
| | - Xianghui Zhao
- Institute of Neuroscience, School of Basic Medicine, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Xianghui Liu
- Department of Stomatology, Jingdu Hospital, Nanjing, People's Republic of China
| | - Weige Sun
- Department of Stomatology, Jingdu Hospital, Nanjing, People's Republic of China
| | - Huifang Ren
- State Key Laboratory of Military Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Bo Gao
- State Key Laboratory of Military Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China
| | - Jiang Wu
- State Key Laboratory of Military Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China
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14
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Brooks BD, Brooks AE. Therapeutic strategies to combat antibiotic resistance. Adv Drug Deliv Rev 2014; 78:14-27. [PMID: 25450262 DOI: 10.1016/j.addr.2014.10.027] [Citation(s) in RCA: 205] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Revised: 10/20/2014] [Accepted: 10/22/2014] [Indexed: 12/16/2022]
Abstract
With multidrug resistant bacteria on the rise, new antibiotic approaches are required. Although a number of new small molecule antibiotics are currently in the development pipeline with many more in preclinical development, the clinical options and practices for infection control must be expanded. Biologics and non-antibiotic adjuvants offer this opportunity for expansion. Nevertheless, to avoid known mechanisms of resistance, intelligent combination approaches for multiple simultaneous and complimentary therapies must be designed. Combination approaches should extend beyond biologically active molecules to include smart controlled delivery strategies. Infection control must integrate antimicrobial stewardship, new antibiotic molecules, biologics, and delivery strategies into effective combination therapies designed to 1) fight the infection, 2) avoid resistance, and 3) protect the natural microbiome. This review explores these developing strategies in the context of circumventing current mechanisms of resistance.
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Affiliation(s)
| | - Amanda E Brooks
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT 84112, USA; Department of Pharmaceutical Sciences, North Dakota State University, Fargo, ND58108, USA.
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15
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Prudencio A, Stebbins ND, Johnson M, Song M, Langowski BA, Uhrich KE. Polymeric prodrugs of ampicillin as antibacterial coatings. J BIOACT COMPAT POL 2014. [DOI: 10.1177/0883911514528410] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A novel ampicillin prodrug containing two carboxylic acid functionalities was synthesized by reacting ampicillin with acyl chloride in the presence of base. This prodrug was subsequently converted into a poly(anhydride-amide) via solution polymerization. The polymer, which chemically incorporates the ampicillin prodrug into the polymeric backbone, was developed as a film to prevent infections associated with medical devices by controlled, localized release of antimicrobials. The robust polymer coatings exhibiting strong adhesion to stainless steel were produced under elevated temperature and reduced pressure. The in vitro hydrolytic degradation of the polymer into the ampicillin prodrug was measured and the antibacterial activity of polymer-derived coatings was examined using a Gram-positive bacterium, Staphylococcus aureus. Furthermore, the polymer cytotoxicity was screened using fibroblasts. The ampicillin prodrug demonstrated antibacterial activity and the polymer demonstrated no cytotoxic effects on fibroblasts. Based on these results, the biodegradation of the antimicrobial-based poly(anhydride-amide) into the prodrug displays substantial promise as an implant or implant coating to reduce device failure resulting from bacterial infections.
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Affiliation(s)
- Almudena Prudencio
- Department of Chemistry & Chemical Biology, Rutgers University, Piscataway, NJ, USA
| | - Nicholas D Stebbins
- Department of Chemistry & Chemical Biology, Rutgers University, Piscataway, NJ, USA
| | - Michelle Johnson
- Department of Chemistry & Chemical Biology, Rutgers University, Piscataway, NJ, USA
| | - MinJung Song
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA
| | - Bryan A Langowski
- Department of Chemistry & Chemical Biology, Rutgers University, Piscataway, NJ, USA
| | - Kathryn E Uhrich
- Department of Chemistry & Chemical Biology, Rutgers University, Piscataway, NJ, USA
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA
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16
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Kenawy ER, Salem I, Abo-Elghit E, Al-Owais AA. New trends in antimicrobial polymers: A state-of-the-art review. ACTA ACUST UNITED AC 2014. [DOI: 10.4103/2348-0734.146922] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Cheng Y, Wu J, Gao B, Zhao X, Yao J, Mei S, Zhang L, Ren H. Fabrication and in vitro release behavior of a novel antibacterial coating containing halogenated furanone-loaded poly(L-lactic acid) nanoparticles on microarc-oxidized titanium. Int J Nanomedicine 2012; 7:5641-52. [PMID: 23152682 PMCID: PMC3496405 DOI: 10.2147/ijn.s37022] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Dental implants have become increasingly common for the management of missing teeth. However, peri-implant infection remains a problem, is usually difficult to treat, and may lead eventually to dental implant failure. The aim of this study was to fabricate a novel antibacterial coating containing a halogenated furanone compound, ie, (Z-)-4-bromo-5-(bromomethylene)-2(5H)-furanone (BBF)-loaded poly(L-lactic acid) (PLLA) nanoparticles on microarc-oxidized titanium and to evaluate its release behavior in vitro. Methods BBF-loaded PLLA nanoparticles were prepared using the emulsion solvent-evaporation method, and the antibacterial coating was fabricated by cross-linking BBF-loaded PLLA nanoparticles with gelatin on microarc-oxidized titanium. Results The BBF-loaded PLLA nanoparticles had a small particle size (408 ± 14 nm), a low polydispersity index (0.140 ± 0.008), a high encapsulation efficiency (72.44% ± 1.27%), and a fine spherical shape with a smooth surface. The morphology of the fabricated antibacterial coating showed that the BBF-loaded PLLA nanoparticles were well distributed in the pores of the microarc oxidation coating, and were cross-linked with each other and the wall pores by gelatin. The release study indicated that the antibacterial coating could achieve sustained release of BBF for 60 days, with a slight initial burst release during the first 4 hours. Conclusion The novel antibacterial coating fabricated in this study is a potentially promising method for prevention of early peri-implant infection.
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Affiliation(s)
- Yicheng Cheng
- Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, China
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Gule NP, Bshena O, de Kwaadsteniet M, Cloete TE, Klumperman B. Immobilized Furanone Derivatives as Inhibitors for Adhesion of Bacteria on Modified Poly(styrene-co-maleic anhydride). Biomacromolecules 2012; 13:3138-50. [DOI: 10.1021/bm300932u] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Nonjabulo P. Gule
- Division of Polymer Science, University of Stellenbosch, Stellenbosch, South Africa
| | - Osama Bshena
- Division of Polymer Science, University of Stellenbosch, Stellenbosch, South Africa
| | | | - Thomas E. Cloete
- Department of Microbiology, University of Stellenbosch, Stellenbosch, South Africa
| | - Bert Klumperman
- Division of Polymer Science, University of Stellenbosch, Stellenbosch, South Africa
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Lönn-Stensrud J, Naemi AO, Benneche T, Petersen FC, Scheie AA. Thiophenones inhibitStaphylococcus epidermidisbiofilm formation at nontoxic concentrations. ACTA ACUST UNITED AC 2012; 65:326-34. [DOI: 10.1111/j.1574-695x.2012.00964.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Revised: 02/03/2012] [Accepted: 03/12/2012] [Indexed: 12/26/2022]
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Ho KKK, Cole N, Chen R, Willcox MDP, Rice SA, Kumar N. Characterisation and in vitro activities of surface attached dihydropyrrol-2-ones against Gram-negative and Gram-positive bacteria. BIOFOULING 2010; 26:913-921. [PMID: 21038151 DOI: 10.1080/08927014.2010.531463] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Bacterial infection of biomedical devices is still a major barrier to their use. This is compounded by increasing antibiotic resistance. Here, the specific covalent attachment of a series of dihydropyrrol-2-one (DHP), analogues of bacterial quorum sensing inhibitors, to surfaces via a Michael-type addition reaction is described. Differences in efficiency of attachment related to the substituent groups were found by X-ray photoelectron spectroscopy. The physical characteristics of the surfaces were further explored by atomic force microscopy and contact angle measurements. The ability of these coatings to prevent the formation of a biofilm by Pseudomonas aeruginosa and Staphylococcus aureus was examined using confocal laser scanning microscopy and image analysis. The DHP-treated surfaces showed significant reductions in bacterial adhesion without increased killing for both strains of bacteria (p < 0.001). 5-Methylene-1-(prop-2-enoyl)-4-phenyl-dihydropyrrol-2-one was identified as having broad spectrum activity and consequently represents an excellent candidate for the development of novel surfaces for the prevention of biomedical device infections.
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Affiliation(s)
- Kitty K K Ho
- School of Chemistry, University of New South Wales, Sydney, NSW, Australia
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Kim C, Kim J, Park HY, Park HJ, Kim CK, Yoon J, Lee JH. Development of inhibitors against TraR quorum-sensing system in Agrobacterium tumefaciens by molecular modeling of the ligand-receptor interaction. Mol Cells 2009; 28:447-53. [PMID: 19855933 DOI: 10.1007/s10059-009-0144-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2009] [Accepted: 09/01/2009] [Indexed: 10/20/2022] Open
Abstract
The quorum sensing (QS) inhibitors that antagonize TraR, a receptor protein for N-3-oxo-octanoyl-L-homoserine lactones (3-oxo-C8-HSL), a QS signal of Agrobacterium tumefaciens were developed. The structural analogues of 3-oxo-C8-HSL were designed by in silico molecular modeling using SYBYL packages, and synthesized by the solid phase organic synthesis (SPOS) method, where the carboxamide bond of 3-oxo-C8-HSL was replaced with a nicotinamide or a sulfonamide bond to make derivatives of N-nicotinyl-L-homoserine lactones or N-sulfonyl-L-homoserine lactones. The in vivo inhibitory activities of these compounds against QS signaling were assayed using reporter systems and compared with the estimated binding energies from the modeling study. This comparison showed fairly good correlation, suggesting that the in silico interpretation of ligand-receptor structures can be a valuable tool for the pre-design of better competitive inhibitors. In addition, these inhibitors also showed anti-biofilm activities against Pseudomonas aeruginosa.
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Affiliation(s)
- Cheoljin Kim
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA
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Furanone at subinhibitory concentrations enhances staphylococcal biofilm formation by luxS repression. Antimicrob Agents Chemother 2009; 53:4159-66. [PMID: 19620329 DOI: 10.1128/aac.01704-08] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Brominated furanones from marine algae inhibit multicellular behaviors of gram-negative bacteria such as biofilm formation and quorum sensing (QS) without affecting their growth. The interaction of furanone with QS in gram-positive bacteria is unknown. Staphylococci have two QS systems, agr and luxS, which lower biofilm formation by two different pathways, RNAIII upregulation and bacterial detachment, and polysaccharide intercellular adhesin (PIA) reduction, respectively. We synthesized natural furanone compound 2 [(5Z)-4-bromo-5-(bromomethylene)-3-butyl-2(5H)-furanone] from Delisea pulchra and three analogues to investigate their effect on biofilm formation in gram-positive bacteria. Compound 2, but not the analogues, enhanced the biofilms of Staphylococcus epidermidis 1457 and 047 and of S. aureus Newman at concentrations between 1.25 and 20 microM. We show the growth inhibition of S. epidermidis and S. aureus by free furanone and demonstrate bactericidal activity. An induction of biofilm occurred at concentrations of 10 to 20% of the MIC and correlated with an increase in PIA. The biofilm effect was agr independent. It was due to interference with luxS, as shown by reduced luxS expression in the presence of compound 2 and independence of the strong biofilm formation in a luxS mutant upon furanone addition. Poly(l-lysine)-grafted/poly(ethylene glycol)-grafted furanone was ineffective on biofilm and not bactericidal, indicating the necessity for free furanone. Free furanone was similarly toxic for murine fibroblasts as for staphylococci, excluding a therapeutic application of this compound. In summary, we observed a biofilm enhancement by furanone in staphylococci at subinhibitory concentrations, which was manifested by an increase in PIA and dependent on luxS.
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Rivas BL, Pereira E, Maureira A. Functional water-soluble polymers: polymer-metal ion removal and biocide properties. POLYM INT 2009. [DOI: 10.1002/pi.2632] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Kenawy ER, Imam Abdel-Hay F, Abou El-Magd A, Mahmoud Y. Synthesis and antimicrobial activity of some polymers derived from modified amino polyacrylamide by reacting it with benzoate esters and benzaldehyde derivatives. J Appl Polym Sci 2005. [DOI: 10.1002/app.22249] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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