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Huma ZE, Gupta A, Javed I, Das R, Hussain SZ, Mumtaz S, Hussain I, Rotello VM. Cationic Silver Nanoclusters as Potent Antimicrobials against Multidrug-Resistant Bacteria. ACS OMEGA 2018; 3:16721-16727. [PMID: 30613808 PMCID: PMC6312629 DOI: 10.1021/acsomega.8b02438] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 11/21/2018] [Indexed: 05/06/2023]
Abstract
Bacterial multidrug resistance (MDR) is a serious healthcare issue caused by the long-term subtherapeutic clinical treatment of infectious diseases. Nanoscale engineering of metal nanoparticles has great potential to address this issue by tuning the nano-bio interface to target bacteria. Herein, we report the use of branched polyethylenimine-functionalized silver nanoclusters (bPEI-Ag NCs) to selectively kill MDR pathogenic bacteria by combining the antimicrobial activity of silver with the selective toxicity of bPEI toward bacteria. The minimum inhibitory concentration of bPEI-Ag NCs was determined against 12 uropathogenic MDR strains and found to be 10- to 15-fold lower than that of PEI and 2- to 3-fold lower than that of AgNO3 alone. Cell viability and hemolysis assays demonstrated the biocompatibility of bPEI-Ag NCs with human fibroblasts and red blood cells, with selective toxicity against MDR bacteria.
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Affiliation(s)
- Zil-e Huma
- Department
of Chemistry & Chemical Engineering, SBA School of Science &
Engineering (SBASSE), Lahore University
of Management Science (LUMS), DHA, Lahore 54792, Pakistan
| | - Akash Gupta
- Department
of Chemistry, University of Massachusetts
(UMass) Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Ibrahim Javed
- Department
of Chemistry & Chemical Engineering, SBA School of Science &
Engineering (SBASSE), Lahore University
of Management Science (LUMS), DHA, Lahore 54792, Pakistan
- ARC
Centre of Excellence in Convergent Bio-Nano Science and Technology,
Monash Institute of Pharmaceutical Sciences, Monash University, 381
Royal Parade, Parkville, VIC 3052, Australia
| | - Riddha Das
- Department
of Chemistry, University of Massachusetts
(UMass) Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Syed Zajif Hussain
- Department
of Chemistry & Chemical Engineering, SBA School of Science &
Engineering (SBASSE), Lahore University
of Management Science (LUMS), DHA, Lahore 54792, Pakistan
| | - Shazia Mumtaz
- Department
of Chemistry & Chemical Engineering, SBA School of Science &
Engineering (SBASSE), Lahore University
of Management Science (LUMS), DHA, Lahore 54792, Pakistan
| | - Irshad Hussain
- Department
of Chemistry & Chemical Engineering, SBA School of Science &
Engineering (SBASSE), Lahore University
of Management Science (LUMS), DHA, Lahore 54792, Pakistan
- E-mail: (I.H.)
| | - Vincent M. Rotello
- Department
of Chemistry, University of Massachusetts
(UMass) Amherst, 710 North Pleasant Street, Amherst, Massachusetts 01003, United States
- E-mail: (V.M.R.)
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Song Y, Lu F, Li H, Wang H, Zhang M, Liu Y, Kang Z. Degradable Carbon Dots from Cigarette Smoking with Broad-Spectrum Antimicrobial Activities against Drug-Resistant Bacteria. ACS APPLIED BIO MATERIALS 2018; 1:1871-1879. [DOI: 10.1021/acsabm.8b00421] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yuxiang Song
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren’ai Road, Suzhou 215123, Jiangsu P. R. China
| | - Fang Lu
- School of Basic Medical Sciences, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Hao Li
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren’ai Road, Suzhou 215123, Jiangsu P. R. China
| | - Huibo Wang
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren’ai Road, Suzhou 215123, Jiangsu P. R. China
| | - Mengling Zhang
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren’ai Road, Suzhou 215123, Jiangsu P. R. China
| | - Yang Liu
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren’ai Road, Suzhou 215123, Jiangsu P. R. China
| | - Zhenhui Kang
- Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, 199 Ren’ai Road, Suzhou 215123, Jiangsu P. R. China
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Sun H, Hong Y, Xi Y, Zou Y, Gao J, Du J. Synthesis, Self-Assembly, and Biomedical Applications of Antimicrobial Peptide-Polymer Conjugates. Biomacromolecules 2018. [PMID: 29539262 DOI: 10.1021/acs.biomac.8b00208] [Citation(s) in RCA: 154] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Antimicrobial peptides (AMPs) have been attracting much attention due to their excellent antimicrobial efficiency and low rate in driving antimicrobial resistance (AMR), which has been increasing globally to alarming levels. Conjugation of AMPs into functional polymers not only preserves excellent antimicrobial activities but reduces the toxicity and offers more functionalities, which brings new insight toward developing multifunctional biomedical materials such as hydrogels, polymer vesicles, polymer micelles, and so forth. These nanomaterials have been exhibiting excellent antimicrobial activity against a broad spectrum of bacteria including multidrug-resistant (MDR) ones, high selectivity, and low cytotoxicity, suggesting promising potentials in wound dressing, implant coating, antibiofilm, tissue engineering, and so forth. This Perspective seeks to highlight the state-of-the-art strategy for the synthesis, self-assembly, and biomedical applications of AMP-polymer conjugates and explore the promising directions for future research ranging from synthetic strategies, multistage and stimuli-responsive antibacterial activities, antifungi applications, and potentials in elimination of inflammation during medical treatment. It also will provide perspectives on how to stem the remaining challenges and unresolved problems in combating bacteria, including MDR ones.
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Affiliation(s)
- Hui Sun
- Department of Polymeric Materials, School of Materials Science and Engineering , Tongji University , 4800 Caoan Road , Shanghai 201804 , China
| | - Yuanxiu Hong
- Department of Polymeric Materials, School of Materials Science and Engineering , Tongji University , 4800 Caoan Road , Shanghai 201804 , China
| | - Yuejing Xi
- Department of Polymeric Materials, School of Materials Science and Engineering , Tongji University , 4800 Caoan Road , Shanghai 201804 , China
| | - Yijie Zou
- Department of Polymeric Materials, School of Materials Science and Engineering , Tongji University , 4800 Caoan Road , Shanghai 201804 , China
| | - Jingyi Gao
- Department of Polymeric Materials, School of Materials Science and Engineering , Tongji University , 4800 Caoan Road , Shanghai 201804 , China
| | - Jianzhong Du
- Department of Polymeric Materials, School of Materials Science and Engineering , Tongji University , 4800 Caoan Road , Shanghai 201804 , China.,Department of Orthopedics, Shanghai Tenth People's Hospital , Tongji University School of Medicine , Shanghai 200072 , China
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